CN114498600A - Mobile device power supply, mobile device and power supply control method thereof - Google Patents

Abstract

The application relates to a mobile device power supply, a mobile device and a power supply control method thereof, wherein the power supply comprises: the first power supply module is used for providing electric energy for a first power module in the mobile equipment; the second power supply module is independent from the first power supply module, configured to have a voltage amplitude larger than that of the first power supply module, and used for providing electric energy for a second power utilization module in the mobile device; and the electric quantity adjusting module is connected between the first power supply module and the second power supply module in series and used for acquiring the real-time electric quantity of the first power supply module and the real-time electric quantity of the second power supply module and controlling to switch on or off an electric energy transmission path between the first power supply module and the second power supply module according to the real-time electric quantity of the first power supply module and the real-time electric quantity of the second power supply module. The application can effectively improve the energy storage utilization rate of the power supply, relieve the heating condition of the mobile equipment and prolong the standby service time of the mobile equipment.

Description

Mobile device power supply, mobile device and power supply control method thereof

technical field

The present invention relates to the technical field of power supplies, and in particular, to a mobile device power supply, a mobile device and a power supply control method thereof.

Background technique

The internal power management structure of the current mobile devices on the market is basically the same. Generally, a lithium battery of about 5V is used for energy storage. The power converter in the mobile device realizes the conversion of the power supply voltage, and converts the voltage of about 5V output by the lithium battery into an internal function module. Actual required operating voltage. If the functional module circuit inside the mobile device needs high-voltage power supply, it needs to convert the low-voltage power provided by the lithium battery into the required high-voltage power through a DC boost converter to supply energy to the energy supply module.

However, if the input and output voltage difference of the DC boost converter is relatively large, the power conversion efficiency is low, the utilization rate of power storage is reduced, and the mobile device is seriously heated and the standby time of the mobile device is reduced.

SUMMARY OF THE INVENTION

Based on this, it is necessary to provide a mobile device power supply, a mobile device and a power supply control method thereof in view of the problems in the above-mentioned background technology, which can effectively improve the utilization rate of energy storage of the power supply, alleviate the heating of the mobile device and prolong the standby time of the mobile device. .

To achieve the above purpose and other purposes, a first aspect of the present application provides a mobile device power supply, including:

a first power module, used to provide power to a first power module inside the mobile device;

A second power supply module, independent of the first power supply module, is configured to have a voltage amplitude greater than that of the first power supply module, and is configured to provide power to a second power consumption module inside the mobile device;

A power adjustment module, connected in series between the first power supply module and the second power supply module, is used to obtain the real-time power of the first power supply module and the real-time power of the second power supply module, and according to the first power supply module The real-time power of a power module and the real-time power of the second power module control to turn on or off the power transmission path between the first power module and the second power module.

In the power supply of the mobile device in the above-mentioned embodiment, the internal power load of the mobile device can be divided into a first power module and a second power module according to the demand of the power supply voltage amplitude of the internal power load of the mobile device, and the A first power supply module and a second power supply module that are independent of each other are set in the power supply of the mobile device, wherein the voltage amplitude of the second power supply module is greater than the voltage amplitude of the first power supply module, and the first power supply module is configured to the internal power supply module of the mobile device. The first power supply module provides power, and the second power module is configured to provide power to the second power module inside the mobile device, so as to avoid using a DC boost converter to convert the low-voltage direct current provided by the power supply of the mobile device into the second power supply. Power loss and heat are generated in the process of the high-voltage direct current required by the electrical module. Since the second power consumption module inside the mobile device generally consumes more power and faster than the first power consumption module, it is easy to cause the power stored in the second power module to be depleted faster than the power stored in the first power module , by setting a power adjustment module in series between the first power supply module and the second power supply module, to obtain the real-time power of the first power module and the real-time power of the second power module, and according to the The real-time power of the first power module and the real-time power of the second power module are controlled to turn on or off the power transmission path between the first power module and the second power module, so as to maximize the utilization of the first power supply module. The power stored in the power module and the second power module effectively prolongs the standby life of the mobile device.

In one embodiment, the power adjustment module includes:

A bidirectional DC-to-DC circuit is connected in series between the first power supply module and the second power supply module;

The microprocessor is connected to the bidirectional DC-to-DC circuit, and is used for acquiring the real-time power of the first power module and the real-time power of the second power module, and according to the real-time power of the first power module and the real-time power of the first power module. The real-time power of the second power module is controlled, and the power transmission path between the first power module and the second power module via the bidirectional DC-to-DC circuit is controlled to be turned on or off.

In one embodiment, the microprocessor is configured to:

If the real-time power of the first power module is greater than or equal to the first preset reference threshold, and the real-time power of the second power module is less than the second preset reference threshold, the bidirectional DC-to-DC circuit is controlled to conduct a path for transmitting electrical energy from the first power supply module to the second power supply module through the bidirectional DC-to-DC circuit;

If the real-time power of the first power module is less than the first preset reference threshold, and the real-time power of the second power module is less than the second preset reference threshold, the bidirectional DC-to-DC circuit is controlled , disconnecting the path for the first power supply module to transmit power to the second power supply module via the bidirectional DC-to-DC circuit.

In one embodiment, the microprocessor is configured to:

If the real-time power of the first power module is less than the first preset reference threshold, and the real-time power of the second power module is greater than or equal to the second preset reference threshold, the bidirectional DC-to-DC circuit is controlled and turning on the path for the second power module to transmit electrical energy to the first power module via the bidirectional DC-to-DC circuit.

In one embodiment, the microprocessor is configured to:

If the real-time power of the first power module is less than the first preset reference threshold, and the real-time power of the second power module is greater than or equal to the second preset reference threshold, the bidirectional DC-to-DC circuit is controlled and turning on the path for the second power module to transmit electrical energy to the first power module via the bidirectional DC-to-DC circuit.

In one embodiment, the microprocessor is configured to:

If the real-time power of the first power module is greater than or equal to the first preset reference threshold, and the real-time power of the second power module is greater than or equal to the second preset reference threshold, control the bidirectional The DC-to-DC circuit disconnects the power transmission path between the first power supply module and the second power supply module.

In one embodiment, the bidirectional DC-to-DC circuit includes:

A bidirectional buck-boost circuit is configured such that an input end is connected to the second power supply module and an output end is connected to the first power supply module.

In one embodiment, the bidirectional buck-boost circuit includes:

a first capacitive energy storage unit configured to be connected in parallel with the second power module;

a first controllable switch unit, configured so that the first port is connected to the first port of the first capacitive energy storage unit;

a second controllable switch unit, configured such that a first port is connected to a second port of the first controllable switch unit, and a second port is connected to a second port of the first capacitive energy storage unit;

an inductive energy storage unit, configured such that a first port is connected to both the second port of the first controllable switch unit and the first port of the second controllable switch unit;

a second capacitive energy storage unit, configured such that the first port is connected to the second port of the inductive energy storage unit, and the second port is connected to the second port of the second controllable switch unit;

Wherein, the first power module is connected in parallel with the second capacitive energy storage unit, and the microprocessor is respectively connected with the control port of the first controllable switch unit and the control port of the second controllable switch unit connection, the microprocessor controls the conduction and switching of the first controllable switch unit and the second controllable switch unit according to the real-time power of the first power module and the real-time power of the second power module. Turn off to turn on or off the power transmission path between the first power module and the second power module via the bidirectional BUCK-BOOST circuit.

A second aspect of the present application provides a mobile device, including any of the mobile device power sources described in the embodiments of the present application. The mobile device has the advantages of long standby time, low heat generation and high charging utilization.

A third aspect of the present application provides a power supply control method for a mobile device, which is used to control a mobile device power supply to supply power to the mobile device, where the mobile device power supply includes a first power supply module, a second power supply module, and a power adjustment module, and the method includes :

controlling the first power supply module to provide power for the first power consumption module inside the mobile device;

Controlling the second power module to provide power for the second power module inside the mobile device, the first power module and the second power module are independent of each other, and the voltage amplitude of the first power module is less than the voltage amplitude of the second power module;

acquiring the real-time power of the first power module and the real-time power of the second power module;

According to the real-time power of the first power module and the real-time power of the second power module, the power adjustment module is controlled to turn on or off the power transmission between the first power module and the second power module path.

In the mobile device power supply control method in the above-mentioned embodiment, the first power supply module is controlled to provide power to the first power consumption module inside the mobile device; the second power supply module is controlled to be used for the second power consumption inside the mobile device. The module provides power, the first power module and the second power module are independent of each other, and the voltage amplitude of the first power module is smaller than the voltage amplitude of the second power module; obtaining the voltage amplitude of the first power module The real-time power and the real-time power of the second power module, and according to the real-time power of the first power module and the real-time power of the second power module, control the power adjustment module to turn on or off the first power The power transmission path between the power supply module and the second power supply module can maximize the utilization of the power stored in the first power supply module and the second power supply module, and effectively prolong the standby life of the mobile device. By providing matched independent power supplies for the first power module and the second power module inside the mobile device, the DC boost converter is avoided to convert the low-voltage DC power provided by the power source of the mobile device into the high-voltage required by the second power module. Electric power loss and heat are generated in the process of direct current, which improves the utilization rate of the electric energy stored in the first power supply module and the second power supply module, and effectively prolongs the standby life of the mobile device.

In one embodiment, the control of turning on or off the connection between the first power module and the second power module according to the real-time power of the first power module and the real-time power of the second power module The steps of the power transmission path include:

If the real-time power of the first power module is greater than or equal to the first preset reference threshold, and the real-time power of the second power module is less than the second preset reference threshold, the power adjustment module is controlled to turn on the first power a path for the module to transmit power to the second power module via the power conditioning module;

If the real-time power of the first power supply module is less than the first preset reference threshold, and the real-time power of the second power module is less than the second preset reference threshold, the power adjustment module is controlled to disconnect the first power supply module. A power supply module transmits power to the second power supply module via the power conditioning module.

In one embodiment, the control of turning on or off the connection between the first power module and the second power module according to the real-time power of the first power module and the real-time power of the second power module The steps of the power transmission path include:

If the real-time power of the first power module is less than the first preset reference threshold, and the real-time power of the second power module is greater than or equal to the second preset reference threshold, the power adjustment module is controlled to turn on all The second power supply module transmits power to the first power supply module via the power regulating module.

In one embodiment, the control of turning on or off the connection between the first power module and the second power module according to the real-time power of the first power module and the real-time power of the second power module The steps of the power transmission path include:

If the real-time power of the first power module is greater than or equal to the first preset reference threshold, and the real-time power of the second power module is greater than or equal to the second preset reference threshold, control the power adjustment module , disconnecting the power transmission path between the first power supply module and the second power supply module.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, the drawings of other embodiments can also be obtained according to these drawings without creative effort.

FIG. 1 is a schematic diagram of a circuit principle of a mobile device power supply provided in an embodiment of the application;

2 is a schematic diagram of a circuit principle of a mobile device power supply provided in another embodiment of the present application;

3 is a schematic diagram of a circuit principle of a mobile device power supply provided in another embodiment of the present application;

4 is a schematic diagram of a circuit principle of a mobile device power supply provided in still another embodiment of the present application;

5 is a schematic circuit diagram of a bidirectional BUCK-BOOST circuit in a mobile device power supply provided in an embodiment of the application;

FIG. 6 is a schematic structural diagram of a mobile device provided in an embodiment of the present application;

7 is a schematic flowchart of a method for controlling power supply of a mobile device according to an embodiment of the present application;

8 is a schematic flowchart of a method for controlling power supply of a mobile device provided in another embodiment of the present application;

FIG. 9 is a schematic flowchart of a method for controlling power supply of a mobile device according to another embodiment of the present application;

FIG. 10 is a schematic flowchart of a method for controlling power supply of a mobile device according to another embodiment of the present application.

Detailed ways

In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the related drawings. The preferred embodiments of the present application are shown in the accompanying drawings. However, the application may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that a thorough and complete understanding of the disclosure of this application is provided.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein in the specification of the application are for the purpose of describing specific embodiments only, and are not intended to limit the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Where "including", "having", and "comprising" are used as described herein, unless an explicit qualifying language is used, such as "only", "consisting of," etc., another component may also be added . Unless mentioned to the contrary, terms in the singular may include the plural and should not be construed as having a number of one.

It will be understood that, although the terms "first," "second," etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present application.

In this application, unless otherwise expressly specified and limited, the terms "connected", "connected" and other terms should be understood in a broad sense, for example, it may be directly connected, or indirectly connected through an intermediate medium, and it may be an internal connection between two elements. The connectivity or interaction of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

Referring to FIG. 1 , in an embodiment of the present application, a mobile device power supply 100 is provided, including a first power supply module 10 , a second power supply module 20 and a power adjustment module 30 , and the first power supply module 10 is used for power supply to the mobile device. The first power module 201 inside the device provides power; the second power module 20 and the first power module 10 are independent of each other, and are configured to have a voltage amplitude greater than that of the first power module 10 for supplying the mobile device. The internal second power module 202 provides power; the power adjustment module 30 is connected in series between the first power module 10 and the second power module 20, and is used to obtain the real-time power of the first power module 10 and the real-time power of the second power module 20. power, and according to the real-time power of the first power module 10 and the real-time power of the second power module 20, the power transmission path between the first power module 10 and the second power module 20 is controlled to be turned on or off.

Specifically, please continue to refer to FIG. 1 , the internal electrical load of the mobile device can be divided into a first power consumption module 201 and a second power consumption module 202 according to the demand of the power supply voltage amplitude of the internal power consumption load of the mobile device, wherein, The maximum value of the power supply voltage amplitude required by the first power consumption module 201 is less than or equal to the minimum value of the power supply voltage amplitude required by the second power consumption module 202; and the first power supply module 10 and The second power module 20, wherein the voltage amplitude of the second power module 20 is greater than the voltage amplitude of the first power module 10, the first power module 10 is configured to provide power to the first power module 201 inside the mobile device, and the The second power supply module 20 provides power to the second power consumption module 202 inside the mobile device, avoiding the use of a DC boost converter to convert the low-voltage DC power provided by the power supply of the mobile device into the high-voltage DC power required by the second power consumption module 202. Generate power loss and heat. Since the second power consumption module 202 inside the mobile device generally consumes more power and faster than the first power consumption module 201 , the power stored in the second power module 20 is likely to be higher than the power stored in the first power module 10 . quickly exhausted, by setting the power adjustment module 30 in series between the first power module 10 and the second power module 20, it is used to obtain the real-time power of the first power module 10 and the real-time power of the second power module 20, and according to The real-time power of the first power module 10 and the real-time power of the second power module 20 are controlled to turn on or off the power transmission path between the first power module 10 and the second power module 20 to maximize the utilization of the first power module 10 and the power stored in the second power module 20, effectively prolonging the standby life of the mobile device.

Further, please refer to FIG. 2 , in an embodiment of the present application, the power adjustment module 30 includes a bidirectional DC-to-DC circuit 31 and a microprocessor 32 , and the bi-directional DC-to-DC circuit 31 is connected in series with the first power module 10 and the second power supply module 10 . Between the power modules 20; the microprocessor 32 is connected to the bidirectional DC to DC circuit 31 for obtaining the real-time power of the first power module 10 and the real-time power of the second power module 20, and according to the real-time power of the first power module 10 and the real-time power of the second power supply module 20 to control to turn on or off the power transmission path between the first power supply module 10 via the bidirectional DC-to-DC circuit 31 and the second power supply module 20 to maximize the utilization of the first power supply module 10 and the power stored in the second power module 20, effectively prolonging the standby life of the mobile device.

Further, please continue to refer to FIG. 2, in an embodiment of the present application, the microprocessor 32 is configured to: if the real-time power C1 of the first power module 10 is greater than or equal to the first preset reference threshold Cref1, and the first The real-time power C2 of the two power modules 20 is less than the second preset reference threshold Cref2, and controls the bidirectional DC-to-DC circuit 31 to turn on the path for the first power module 10 to transmit power to the second power module 20 via the bi-directional DC-to-DC circuit 31 . When the power stored in the second power module 20 is about to run out, the microprocessor 32 controls the bidirectional DC-to-DC circuit 31 to conduct the power transmission path from the first power module 10 to the second power module 20 , so that the first power module 10 The stored electrical energy is transmitted to the second power supply module 20 via the bidirectional DC-to-DC circuit 31, so that the second power supply module 20 can continue to provide electrical energy to the second electrical power module 202, thereby improving the utilization of the stored electrical energy in the first power supply module 10. rate and extend the standby time of mobile devices. If the real-time power C1 of the first power module 10 is less than the first preset reference threshold Cref1, and the real-time power C2 of the second power module 20 is less than the second preset reference threshold Cref2, the bidirectional DC-to-DC circuit is controlled 31. Disconnect the path for the first power supply module 10 to transmit power to the second power supply module 20 via the bidirectional DC-to-DC circuit 31, so as to control when the power in the first power supply module 10 and the second power supply module 20 is almost exhausted. The bidirectional DC-to-DC circuit 31 disconnects the power transmission path from the first power module 10 to the second power module 20 via the bi-directional DC-to-DC circuit 31, so as to prepare to start the next power adjustment work when the mobile device enters the working state.

Further, please continue to refer to FIG. 2, in an embodiment of the present application, the microprocessor 32 is configured to: if the real-time power C1 of the first power module 10 is less than the first preset reference threshold Cref1, and the first The real-time power C2 of the second power module 20 is greater than or equal to the second preset reference threshold Cref2, and controls the bidirectional DC-to-DC circuit 31 to turn on the second power module 20 to transmit power to the first power module 10 via the bi-directional DC-to-DC circuit 31 the pathway. When the power stored in the first power module 10 is about to run out, the microprocessor 32 controls the bidirectional DC-to-DC circuit 31 to conduct the path for the second power module 20 to transmit power to the first power module 10 , so that the second power module 20 The electrical energy stored in the power supply module 10 is transmitted to the first power supply module 10 via the bidirectional DC-to-DC circuit 31, so that the first power supply module 10 continues to provide electrical energy to the first power consumption module 201, thereby improving the utilization of the stored electrical energy in the second power supply module 20. rate and extend the standby time of mobile devices.

Further, please continue to refer to FIG. 2, in an embodiment of the present application, the microprocessor 32 is configured to: if the real-time power C1 of the first power supply module 10 is greater than or equal to the first preset reference threshold Cref1, And the real-time power C2 of the second power supply module 20 is greater than or equal to the second preset reference threshold Cref2, controls the bidirectional DC to DC circuit 31, and disconnects the second power supply module 20 to the first power supply via the bidirectional DC to DC circuit 31. A path for the module 10 to transmit power to avoid unnecessary energy exchange between the first power module 10 and the second power module 20 when the stored power of the first power module 10 and the second power module 20 is sufficient. One or two of them cause abnormal power supply, and at the same time, the number of operations of the bidirectional DC-to-DC circuit 31 is effectively reduced, which is beneficial to improve the stability and reliability of the power supply operation.

Further, please refer to FIG. 3 , in an embodiment of the present application, the bidirectional DC-to-DC circuit 31 includes a bidirectional BUCK-BOOST circuit 311, and the bidirectional BUCK-BOOST circuit 311 is configured such that the input terminal is connected to the second power supply module 20 and The output terminal is connected to the first power module 10 . If the real-time power C1 of the first power module 10 is less than the first preset reference threshold Cref1, and the real-time power C2 of the second power module 20 is greater than or equal to the second preset reference threshold Cref2, the bidirectional buck-boost circuit is controlled The switch tube in 311 operates to realize buck step-down DC/DC conversion, so that the electrical energy stored in the second power supply module 20 is converted into the required working voltage of the first power supply module 10 through the buck-boost circuit 311, and the first power supply The module 10 stores energy to continue supplying power to the first power consuming module 201 , thereby extending the standby life of the mobile device and improving the utilization rate of the stored power in the second power module 20 . If the real-time power C1 of the first power module 10 is greater than or equal to the first preset reference threshold Cref1, and the real-time power C2 of the second power module 20 is less than the second preset reference threshold Cref2, control the bidirectional buck-boost circuit 311 The switch tube acts to realize the buck boost DC/DC conversion, so that the electrical energy stored in the first power supply module 10 is converted into the required working voltage of the second power supply module 20 through the buck-boost circuit 311, and the second power supply module 20 The energy is stored to continue to supply power to the second power consumption module 202 , thereby prolonging the standby life of the mobile device and improving the utilization rate of the stored power in the first power module 10 .

Further, please refer to FIG. 4 , in an embodiment of the present application, the bidirectional buck-boost circuit 311 includes a first capacitive energy storage unit 3111 , a first controllable switch unit 3112 , a second controllable switch unit 3113 and an inductive The energy storage unit 3114, the first capacitive energy storage unit 3111 is configured in parallel with the second power supply module 20; the first controllable switch unit 3112 is configured as the first port and the first port of the first capacitive energy storage unit 3111 connection; the second controllable switch unit 3113 is configured such that the first port is connected to the second port of the first controllable switch unit 3112, and the second port is connected to the second port of the first capacitive energy storage unit 3111; the inductive storage The energy unit 3114 is configured so that the first port is connected to both the second port of the first controllable switch unit 3112 and the first port of the second controllable switch unit 3113; the second capacitive energy storage unit 3115 is configured as the first port It is connected to the second port of the inductive energy storage unit 3114, and the second port is connected to the second port of the second controllable switch unit 3113; wherein, the first power supply module 10 is connected in parallel with the second capacitive energy storage unit 3115, and the microprocessing The controller 32 is respectively connected to the control port of the first controllable switch unit 3112 and the control port of the second controllable switch unit 3113. Control the turn-on and turn-off of the first controllable switch unit 3112 and the second controllable switch unit 3113 to turn on or off the connection between the first power module 10 and the second power module 20 via the bidirectional BUCK-BOOST circuit 311 . power transmission path.

As an example, please refer to FIG. 5. In an embodiment of the present application, the bidirectional buck-boost circuit 311 includes a capacitor C1, a first power switch S1, a second power switch S2, an inductor L and a capacitor C2, wherein the first The first port of a power switch S1 is connected to the first port of the capacitor C1, the first port of the second power switch S2 is connected to the second port of the first power switch S1, and the second port of the second power switch S2 The port is connected to the second port of the capacitor C1, the inductor L is connected to the second port of the first power switch S1 and the first port of the second power switch S2, and the first port of the capacitor C2 is connected to the second port of the inductor L connection, the second port of the capacitor C2 is connected to the second port of the second power switch tube S2. The first power supply module 10 may be arranged in parallel with both ends of the capacitor C2, and the second power supply module 20 may be arranged in parallel with both ends of the capacitor C1.

Further, referring to FIG. 6 , in an embodiment of the present application, a mobile device is provided, including a power source for the mobile device described in any of the embodiments of the present application. The mobile device has the advantages of long standby time, low heat generation and high charging utilization.

Further, please refer to FIG. 7 , in an embodiment of the present application, a method for controlling power supply of a mobile device is provided, which is used to control the power supply of the mobile device to supply power to the mobile device, where the power supply of the mobile device includes a first power supply module, a first power supply Two power supply modules and power regulation modules, the method includes:

Step 22: Control the first power supply module to provide power to the first power consumption module inside the mobile device.

Step 24: Control the second power supply module to provide power to the second power consumption module inside the mobile device, the first power supply module and the second power supply module are independent of each other, and the voltage amplitude of the first power supply module is The value is smaller than the voltage amplitude of the second power module.

Step 26: Acquire the real-time power of the first power module and the real-time power of the second power module.

Step 28: According to the real-time power of the first power module and the real-time power of the second power module, control the power adjustment module to turn on or off the connection between the first power module and the second power module power transmission path.

Specifically, please continue to refer to FIG. 7 , by controlling the first power module to provide power to the first power module inside the mobile device; controlling the second power module to provide power to the second power module inside the mobile device, The first power supply module and the second power supply module are independent of each other, and the voltage amplitude of the first power supply module is smaller than the voltage amplitude of the second power supply module; obtain the real-time power and all the power of the first power supply module. the real-time power of the second power module, and according to the real-time power of the first power module and the real-time power of the second power module, control the power adjustment module to turn on or off the first power module and all The power transmission path between the second power modules is used to maximize the utilization of the power stored in the first power module and the second power module, thereby effectively prolonging the standby life of the mobile device. By providing matched independent power supplies for the first power module and the second power module inside the mobile device, the DC boost converter is avoided to convert the low-voltage DC power provided by the power source of the mobile device into the high-voltage required by the second power module. Electric power loss and heat are generated in the process of direct current, which improves the utilization rate of the electric energy stored in the first power supply module and the second power supply module, and effectively prolongs the standby life of the mobile device.

Further, please refer to FIG. 8 , in one embodiment of the present application, the first power supply is turned on or off according to the real-time power of the first power module and the real-time power of the second power module. The steps of the power transmission path between the module and the second power module include:

Step 282: If the real-time power of the first power module is greater than or equal to the first preset reference threshold, and the real-time power of the second power module is less than the second preset reference threshold, control the power adjustment module to turn on the power a path for the first power supply module to transmit power to the second power supply module via the power conditioning module;

Step 284: If the real-time power of the first power supply module is less than the first preset reference threshold, and the real-time power of the second power module is less than the second preset reference threshold, control the power adjustment module to disconnect The first power supply module transmits power to the second power supply module via the power conditioning module.

Specifically, please continue to refer to FIG. 8 , when the real-time power of the second power module is about to be exhausted, if the real-time power of the first power module is still relatively sufficient, the bidirectional DC-to-DC circuit is controlled to turn on the first power module A path for transmitting power to the second power module through the bidirectional DC-to-DC circuit, so as to extend the power supply time of the mobile device power supply, thereby prolonging the standby time of the mobile device; when the real-time power of the first power module and the second power module are equal When it is about to be exhausted, control the bidirectional DC-to-DC circuit, and disconnect the path for the first power supply module to transmit power to the second power supply module via the bidirectional DC-to-DC circuit, so as to prepare for when the mobile device enters the working state Start the next power adjustment work.

Further, please refer to FIG. 9 , in an embodiment of the present application, the first power supply is turned on or off according to the real-time power of the first power module and the real-time power of the second power module. The steps of the power transmission path between the module and the second power module include:

Step 283: If the real-time power of the first power supply module is less than the first preset reference threshold, and the real-time power of the second power module is greater than or equal to the second preset reference threshold, control the power adjustment module, A path for transmitting electric power from the second power supply module to the first power supply module via the power adjustment module is turned on.

Specifically, please continue to refer to FIG. 9 , when the real-time power of the first power module is about to be exhausted, if the real-time power of the second power module is still relatively sufficient, the bidirectional DC-to-DC circuit is controlled to turn on the second power module A path for transmitting electric energy to the first power supply module through the bidirectional DC-to-DC circuit, so as to prolong the power supply time of the power supply of the mobile device, thereby prolonging the standby time of the mobile device.

Further, please refer to FIG. 10 , in an embodiment of the present application, the first power supply is controlled to be turned on or off according to the real-time power of the first power module and the real-time power of the second power module The steps of the power transmission path between the module and the second power module include:

Step 286: If the real-time power of the first power module is greater than or equal to the first preset reference threshold, and the real-time power of the second power module is greater than or equal to the second preset reference threshold, control the The power adjustment module disconnects the power transmission path between the first power supply module and the second power supply module.

Specifically, please continue to refer to FIG. 10 , if the real-time power of the first power supply module and the second power supply module is sufficient, the bidirectional DC-to-DC circuit is controlled to disconnect the energy transmission path between the second power supply module and the first power supply module, so as to Avoid unnecessary energy exchange between the first power supply module and the second power supply module, causing one or both of them to have abnormal power supply, and effectively reduce the number of operations of the bidirectional DC to DC circuit, which is conducive to improving the power supply operation. stability and reliability.

It should be understood that the steps described are not strictly limited to the order in which they are performed, and that the steps may be performed in other orders, unless explicitly stated herein. Moreover, at least a part of the described steps may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily executed and completed at the same time, but may be executed at different times. The order of execution is also not necessarily sequential, but may be performed alternately or alternately with other steps or sub-steps of other steps or at least a portion of a phase.

Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be implemented by instructing relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage In the medium, when the computer program is executed, it may include the processes of the above-mentioned method embodiments. Wherein, any reference to memory, storage, database or other medium used in the various embodiments provided in this application may include non-volatile and/or volatile memory. Nonvolatile memory may include read only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in various forms such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous chain Road (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present application, and the descriptions thereof are relatively specific and detailed, but should not be construed as a limitation on the scope of the patent application. It should be pointed out that for those skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the scope of protection of the patent of the present application shall be subject to the appended claims.

Claims (12)

1. a mobile device power supply, is characterized in that, comprises: a first power module, used to provide power to a first power module inside the mobile device; A second power supply module, independent of the first power supply module, is configured to have a voltage amplitude greater than that of the first power supply module, and is configured to provide power to a second power consumption module inside the mobile device; A power adjustment module, connected in series between the first power supply module and the second power supply module, is used to obtain the real-time power of the first power supply module and the real-time power of the second power supply module, and according to the first power supply module The real-time power of a power module and the real-time power of the second power module control to turn on or off the power transmission path between the first power module and the second power module. 2. The mobile device power supply according to claim 1, wherein the power adjustment module comprises: A bidirectional DC-to-DC circuit is connected in series between the first power supply module and the second power supply module; The microprocessor is connected to the bidirectional DC-to-DC circuit, and is used for acquiring the real-time power of the first power module and the real-time power of the second power module, and according to the real-time power of the first power module and the real-time power of the first power module. The real-time power of the second power module is controlled, and the power transmission path between the first power module and the second power module via the bidirectional DC-to-DC circuit is controlled to be turned on or off. 3. The mobile device power supply of claim 2, wherein the microprocessor is configured to: If the real-time power of the first power module is greater than or equal to the first preset reference threshold, and the real-time power of the second power module is less than the second preset reference threshold, the bidirectional DC-to-DC circuit is controlled to conduct a path for transmitting electrical energy from the first power supply module to the second power supply module through the bidirectional DC-to-DC circuit; If the real-time power of the first power module is less than the first preset reference threshold, and the real-time power of the second power module is less than the second preset reference threshold, the bidirectional DC-to-DC circuit is controlled , disconnecting the path for the first power supply module to transmit power to the second power supply module via the bidirectional DC-to-DC circuit. 4. The mobile device power supply of claim 3, wherein the microprocessor is configured to: If the real-time power of the first power module is less than the first preset reference threshold, and the real-time power of the second power module is greater than or equal to the second preset reference threshold, the bidirectional DC-to-DC circuit is controlled and turning on the path for the second power module to transmit electrical energy to the first power module via the bidirectional DC-to-DC circuit. 5. The mobile device power supply of claim 3, wherein the microprocessor is configured to: If the real-time power of the first power module is greater than or equal to the first preset reference threshold, and the real-time power of the second power module is greater than or equal to the second preset reference threshold, control the bidirectional The DC-to-DC circuit disconnects the power transmission path between the first power supply module and the second power supply module. 6. The mobile device power supply according to any one of claims 2-5, wherein the bidirectional DC-to-DC circuit comprises: A bidirectional buck-boost circuit is configured such that an input end is connected to the second power supply module and an output end is connected to the first power supply module. 7. mobile device power supply according to claim 6, is characterized in that, described bidirectional BUCK-BOOST circuit comprises: a first capacitive energy storage unit configured to be connected in parallel with the second power module; a first controllable switch unit, configured so that the first port is connected to the first port of the first capacitive energy storage unit; a second controllable switch unit, configured such that a first port is connected to a second port of the first controllable switch unit, and a second port is connected to a second port of the first capacitive energy storage unit; an inductive energy storage unit, configured such that a first port is connected to both the second port of the first controllable switch unit and the first port of the second controllable switch unit; a second capacitive energy storage unit, configured such that the first port is connected to the second port of the inductive energy storage unit, and the second port is connected to the second port of the second controllable switch unit; Wherein, the first power module is connected in parallel with the second capacitive energy storage unit, and the microprocessor is respectively connected with the control port of the first controllable switch unit and the control port of the second controllable switch unit connection, the microprocessor controls the conduction and switching of the first controllable switch unit and the second controllable switch unit according to the real-time power of the first power module and the real-time power of the second power module. turning off to turn on or off the power transmission path between the first power module and the second power module via the bidirectional BUCK-BOOST circuit. 8. A mobile device, comprising: The mobile device power supply according to any one of claims 1-7. 9. A power supply control method for a mobile device, characterized in that it is used to control a mobile device power supply to supply power to the mobile device, the mobile device power supply comprising a first power supply module, a second power supply module and a power adjustment module, the method comprising: controlling the first power supply module to provide power for the first power consumption module inside the mobile device; Controlling the second power module to provide power for the second power module inside the mobile device, the first power module and the second power module are independent of each other, and the voltage amplitude of the first power module is less than the voltage amplitude of the second power module; acquiring the real-time power of the first power module and the real-time power of the second power module; According to the real-time power of the first power module and the real-time power of the second power module, the power adjustment module is controlled to turn on or off the power transmission between the first power module and the second power module path. 10 . The power supply control method for a mobile device according to claim 9 , wherein the control is to turn on or off the power supply according to the real-time power of the first power module and the real-time power of the second power module. 11 . The steps of the power transmission path between the first power supply module and the second power supply module include: If the real-time power of the first power module is greater than or equal to the first preset reference threshold, and the real-time power of the second power module is less than the second preset reference threshold, the power adjustment module is controlled to turn on the first power a path for the module to transmit power to the second power module via the power conditioning module; If the real-time power of the first power supply module is less than the first preset reference threshold, and the real-time power of the second power module is less than the second preset reference threshold, the power adjustment module is controlled to disconnect the first power supply module. A power supply module transmits power to the second power supply module via the power conditioning module. 11 . The power supply control method for a mobile device according to claim 10 , wherein, according to the real-time power of the first power module and the real-time power of the second power module, the control to turn on or off the power supply is controlled. 12 . The steps of the power transmission path between the first power supply module and the second power supply module include: If the real-time power of the first power module is less than the first preset reference threshold, and the real-time power of the second power module is greater than or equal to the second preset reference threshold, the power adjustment module is controlled to turn on all The second power supply module transmits power to the first power supply module via the power regulating module. 12 . The power supply control method for a mobile device according to claim 10 , wherein, according to the real-time power of the first power module and the real-time power of the second power module, the control to turn on or off the power supply is controlled. 13 . The steps of the power transmission path between the first power supply module and the second power supply module include: If the real-time power of the first power module is greater than or equal to the first preset reference threshold, and the real-time power of the second power module is greater than or equal to the second preset reference threshold, control the power adjustment module , disconnecting the power transmission path between the first power supply module and the second power supply module.

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