CN117319099A - A multi-power supply system and communication method based on Modbus RTU protocol - Google Patents
A multi-power supply system and communication method based on Modbus RTU protocol Download PDFInfo
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- CN117319099A CN117319099A CN202311334624.2A CN202311334624A CN117319099A CN 117319099 A CN117319099 A CN 117319099A CN 202311334624 A CN202311334624 A CN 202311334624A CN 117319099 A CN117319099 A CN 117319099A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
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Abstract
The invention discloses a multi-power system based on Modbus RTU protocol, comprising: the system comprises a touch display screen, a system control board, a power control box and a plurality of power modules; the touch display screen is connected with the system control board and is used for controlling the output voltage of the multi-power system and displaying the electrical parameters of each power module in real time; the system control board is also connected with the power supply control box and is used for forming a new instruction by an instruction sent by the touch display screen and sending the new instruction to the power supply control box; the power control box is also communicated with the plurality of power modules through ring network optical fibers and is used for reorganizing and rechecking the instructions issued by the system control board and issuing the instructions to the power modules with the ID as the head; the power control box is also used for receiving an instruction sent by the last power module. The invention also discloses a corresponding communication method. The invention has high universal type through Modbus RTU protocol, and has great advantages in convenience of communication efficiency, data security confidentiality and the like.
Description
Technical Field
The invention relates to the technical field of multi-power high-power systems, in particular to a Modbus RTU protocol-based multi-power system and a communication method.
Background
Modbus communication is widely used in the modern industrial field because of the advantages of strong interference resistance, high transmission rate, suitability for remote transmission and the like, modbus RTU is a serial link communication protocol in Modbus communication protocols, and the protocol prescribes that only one host computer is allowed on a communication bus and can communicate with one or at most 247 slave computers.
In a high-power supply system, in order to realize the output of higher power, a topology form of parallel connection or cascade connection of multiple power supply modules is often adopted. In a multi-power control system, in order to achieve high efficiency and stability of control, a system core control board needs to acquire operation parameters of each power module in real time to complete system core control logic, which needs to be implemented by adopting a point-to-point communication mode. In the communication mode of a host computer and a plurality of slave computers, in order to realize the communication access of a system core control board to a plurality of power supply modules, the number of the communication interfaces of the controller is increased linearly with the same proportion along with the increase of the number of the power supply modules, which brings great pressure to the volume of the controller and greatly reduces the universal degree of the controller.
Disclosure of Invention
Aiming at least one defect or improvement requirement of the prior art, the invention provides a multi-power system and a communication method based on a Modbus RTU protocol, which have high universality, great advantages in convenience of communication efficiency, data security confidentiality and the like, reduce the requirement of the system on the number of communication interfaces to a certain extent, reduce the equipment volume to a certain extent and reduce the system cost.
To achieve the above object, according to a first aspect of the present invention, there is provided a Modbus RTU protocol-based multi-power system, comprising:
the system comprises a touch display screen, a system control board, a power control box and a plurality of power modules;
the touch display screen is connected with the system control board and is used for controlling the output voltage of the multi-power system and displaying the electrical parameters of each power module in real time;
the system control board is also connected with the power supply control box and is used for replacing a target address of a control instruction or a power supply parameter reading instruction sent by the touch display screen, and after re-verification, a new control instruction or a power supply parameter reading instruction is formed and sent to the power supply control box;
the power control box is also communicated with the plurality of power modules through looped network optical fibers and is used for reorganizing and rechecking control instructions or power parameter reading instructions issued by the system control board and issuing the control instructions or the power parameter reading instructions to the power modules with ID as the head; the power supply control box is also used for receiving an uplink command of the last power supply module, and the uplink command is generated after the last power supply module receives the downlink command of the power supply control box in sequence through a ring network according to the ID sequence;
the touch display screen, the system control board, the power control box and the power modules are communicated by adopting a Modbus RTU protocol.
Further, the Modbus RTU protocol-based multi-power supply system further includes:
and the system control board is also used for performing CRC after receiving the control instruction issued by the touch display screen, and sending a control instruction feedback command after the CRC passes the check, so that the signal is correctly received.
Further, the Modbus RTU protocol-based multi-power supply system further includes:
the power supply control box is also used for storing the electric parameters of each module read through the looped network optical fiber in a register, reading the numerical value of the register after receiving the parameter reading instruction of the system control board, and uploading the reading instruction back after recombining the signal frames.
Further, the Modbus RTU protocol-based multi-power supply system further includes:
the system control board is also used for analyzing the received reading instruction feedback command, acquiring the electrical parameters, storing the electrical parameters in a register, reading the register value after receiving the parameter reading instruction issued by the touch display screen, forming the reading instruction feedback command, and then uploading the reading instruction feedback command to the touch display screen.
Further, the Modbus RTU protocol-based multi-power supply system further includes:
the power control box, the system control board and the touch control display screen start timing when the power-on system starts working, and the power parameter reading instruction is issued at fixed period timing.
Further, the Modbus RTU protocol-based multi-power supply system further includes:
and each power state parameter is acquired between the power control box and the power module in the form of a long data frame, a data frame address is allocated according to the ID of the power module, after the power module with the ID receives a parameter reading instruction, the module value is filled according to the current sensor sampling value, and the module value is sequentially forwarded to the next power module, after the data frame is transmitted to the last power module through the ring network optical fiber, the last power module fills the module state parameter and adds a CRC (cyclic redundancy check) code, and the CRC is uploaded to the power control box.
According to a second aspect of the present invention, there is also provided a communication method of a Modbus RTU protocol-based multi-power system, which is applied to any one of the Modbus RTU protocol-based multi-power systems, including:
the touch display screen sends a power supply output direct-current voltage control instruction to the system control board;
the system control board verifies the correctness of the control instruction through CRC, and after the verification is successful, the system control board sends a control instruction feedback instruction to the touch display screen, which indicates that the control instruction is successfully received;
the system control board verifies the validity of the control instruction value and checks whether the control instruction value exceeds the allowable value range of the power supply output voltage; after verification, the system control board performs signal recombination to generate a new control instruction, and the new control instruction is sent to a power supply control box through an optical fiber interface;
after the power control box receives the control instruction issued by the system control board, the signal CRC code is checked, if the check is successful, the control instruction is issued, the control instruction issued by the system control board is issued to each power module through the optical fiber ring network, and the power modules realize the set output voltage control function through output voltage closed-loop control.
According to a third aspect of the present invention, there is also provided a communication method of a Modbus RTU protocol-based multi-power system, which is applied to any one of the Modbus RTU protocol-based multi-power system, including:
the power control box regularly transmits a power parameter reading instruction to the first power module through the optical fiber interface;
after receiving the instruction and successful CRC check, the first power module forms a long data frame, address space in the data frame is sequentially distributed according to the number of the power module, and the power module reads the value of the sampling sensor and fills in the signal frame and forwards the value to the next power module through the optical fiber ring network;
the long data frames are transmitted to each power module through the optical fiber ring network and finally integrated into a long moment frame containing all the parameters of the power modules, finally transmitted back to the power control box through the last power module, the real-time parameters of each power module are stored in the corresponding register, and the corresponding register is refreshed when the parameter data of the next moment are received.
Further, the method for communication of the multi-power system based on the Modbus RTU protocol further comprises the following steps:
the system control board regularly transmits a power parameter reading instruction to the power control box through the optical fiber interface;
the power control box receives the power parameter reading instruction, reads a register value for storing real-time parameters of the power after CRC check is successful, forms a long data frame containing all power module parameters, and adds a check code and sends the check code to a system control board after re-check;
after receiving the reading instruction return command, the system control board verifies through CRC, stores the received parameters of each power module in the register after the verification is passed, and refreshes the corresponding register when the parameter data at the next moment is received.
Further, the method for communication of the multi-power system based on the Modbus RTU protocol further comprises the following steps:
the touch display screen reads the instruction to the power generation source parameters under the system control panel at regular time through the RS485 interface;
the system control board receives the power parameter reading instruction, reads a register data value storing the power parameter after CRC check is successful, and then recombines the data into a long data frame containing all the power module parameters through signals, and sends the long data frame to the touch display screen after check;
after receiving the reading instruction feedback command, the touch control display screen is verified by CRC, the signal value is analyzed after verification is passed, and finally, the real-time monitoring of the parameters of the power supply module is realized through the display screen.
In general, the above technical solutions conceived by the present invention, compared with the prior art, enable the following beneficial effects to be obtained:
(1) The Modbus RTU protocol-based multi-power system provided by the invention has great advantages in terms of protocol efficiency, broadband utilization rate and data confidentiality by utilizing the Modbus RTU communication protocol, and also has strong general purpose type and great application space.
(2) According to the Modbus RTU protocol-based multi-power system provided by the invention, the long data frame communication mode adopted between the power controller and the power module not only reduces the number of communication interfaces in space and reduces the use cost, but also greatly reduces the communication delay in the communication efficiency, and avoids the communication problems such as frame loss possibly caused by clock synchronization.
(3) According to the Modbus RTU protocol-based multi-power system provided by the invention, the display screen, the system control board and the power control box in the multi-power system all adopt an unconditional timing issuing mode to send the parameter reading instruction, so that the internal coupling of the system is greatly reduced, and the communication efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of a multi-power system based on Modbus RTU protocol according to an embodiment of the present invention;
FIG. 2 is a flow chart of a write command communication for a Modbus RTU protocol-based multi-power system according to an embodiment of the present invention;
FIG. 3 is a flow chart of a power controller read command communication in a Modbus RTU protocol-based multi-power system according to an embodiment of the present invention;
fig. 4 is a flow chart of a system control board read command communication in a multi-power system based on Modbus RTU protocol according to an embodiment of the present invention;
fig. 5 is a flow chart of a touch display screen read command communication in a multi-power system based on a Modbus RTU protocol according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The terms first, second, third and the like in the description and in the claims and in the above drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1, as a first embodiment of the present invention, there is provided a Modbus RTU protocol-based multi-power system composed of one system control board, one power control box, and three power modules, as shown in fig. 1. The system control board touch control display screen is used as a host computer and is communicated with the system control board through RS485, the system control board downloads the instruction to the power control box through the optical fiber interface after receiving the instruction downloaded by the touch control display screen, a ring network is formed between the power control box and the power modules through optical fibers, the power control box downloads the instruction to the first power module, signal transmission is carried out between the power modules through the ring network optical fibers, and finally the last power module uploads the instruction back to the power control box.
The multi-power system is composed of a system control board, a power control box and a plurality of power modules. The system control panel can control the output voltage of the power supply system through the touch display screen, and in addition, the electric parameters of each power supply module can be displayed on the display screen in real time, so that the state real-time monitoring is realized. In this embodiment, the system control board is implemented using an FPGA chip.
The system control board is used as a touch control display screen of a front panel of the control box and a communication transfer station of the power supply control box, after receiving a control instruction issued by the display screen, CRC check is firstly carried out, and after the check passes, a control instruction return command is issued to indicate that the signal is correctly received. And the system control board performs target address replacement on the received control instruction, and re-checks the target address to form a new signal frame and sends the new signal frame to the power supply control box.
The power supply controller is used as a communication transfer station between the system controller and the power supply modules and is communicated with each power supply module through the ring network optical fiber. After receiving the control instruction or the power parameter reading instruction issued by the system control board, recombining and re-checking the signals, then issuing the signals to the power modules with ID as the head, sequentially forwarding the signals to other power modules through the ring network, and after the last power module receives the instruction, issuing an instruction feedback to the power control box.
The power supply control box stores the electric parameters of each module read through the looped network optical fiber in a register, reads the numerical value of the register after receiving the parameter reading instruction of the system control board, and uploads the reading instruction feedback after recombining signal frames. The system control board analyzes the received reading instruction feedback command, acquires the electrical parameters, stores the electrical parameters in a register, reads the register value after receiving the parameter reading instruction issued by the touch display screen, and forms the reading instruction feedback command to be issued to the touch display screen.
The power control box, the system control board and the touch control display screen start to time when the power system clock starts to work, and send out the power parameter reading instruction in a fixed period, and do not need to wait for the host computer to send out the reading instruction and then send out the reading instruction, so that faults such as signal loss and the like caused by clock errors of different clock systems can be avoided.
All power modules in the multi-power system can realize communication access between multiple power supplies and between the power modules and the power control box only by two optical fiber communication interfaces, thereby not only greatly reducing the volume burden of the cabinet, but also greatly improving the communication efficiency.
And acquiring state parameters of each power supply in a long data frame mode between a power supply control box and each power supply module in the multi-power supply system, distributing data frame addresses according to the ID of the power supply module, filling the module values according to the current sensor sampling values after the power supply module with the ID as the head receives a parameter reading instruction, sequentially forwarding the module values to the next power supply module, filling the state parameters of the last power supply module into the module after the data frames are transmitted to the last power supply module through the ring network optical fiber, and uploading the CRC check codes to the power supply control box.
As shown in fig. 2, as a second embodiment of the present invention, a write operation communication method of a Modbus RTU protocol-based multi-power system is provided, and the method is applied to the multi-power system as the first embodiment, and the specific method flow is as follows:
firstly, a system control board touch control display screen outputs a direct-current voltage control instruction to the system control board through an RS485 serial port by a lower power generation source, the system control board verifies the correctness of the issued instruction through CRC, and after the verification is successful, the system control board sends a control instruction feedback instruction to a box touch control screen to indicate that the control instruction is successfully received;
further, after the control instruction is successfully checked by the system control board, the validity of the numerical value of the issued data instruction is verified through signal content analysis, whether the numerical value exceeds the allowable value range of the power supply output voltage is checked, after the verification is passed, the system control board performs signal recombination, and the recombined signal is issued to the power supply control box through the optical fiber interface;
further, after the power control box receives the control instruction issued by the system control board, the signal CRC code is checked, if the check is successful, the control instruction is issued, the received control instruction is issued to each power module through the optical fiber ring network, and the power module realizes the set output voltage control function through the output voltage closed-loop control.
As shown in fig. 3, as a third embodiment of the present invention, a power controller read command communication method of a Modbus RTU protocol-based multi-power system is provided, and the method is applied to the multi-power system as the first embodiment, and the specific method flow is as follows:
firstly, a power control box regularly transmits a power parameter reading instruction to a first power module through an optical fiber interface;
further, after receiving the instruction and successful CRC check, the first power module forms a long data frame, address spaces in the data frame are sequentially distributed according to the number of the power module, and the power module reads the value of the sampling sensor and fills in the signal frame and then forwards the value to the next power module through the optical fiber ring network;
further, the long data frame is transmitted to each power module through the optical fiber ring network, finally integrated into a long moment frame containing all power module parameters, finally transmitted back to the power control box through the last power module, stored in the corresponding register, and refreshed when the parameter data of the next moment is received.
As shown in fig. 4, as a fourth embodiment of the present invention, based on the third embodiment, a system control board read command communication method of a Modbus RTU protocol-based multi-power system is provided, and the specific method flow is as follows:
firstly, a system control board regularly transmits a power parameter reading instruction to a power control box through an optical fiber interface;
further, after receiving the instruction and successful CRC, the power control box reads the register value storing the real-time parameters of the power supply to form a long data frame containing all the parameters of the power supply module, and after re-verification, the power control box adds a verification code and sends the verification code to the system control board.
Further, after receiving the reading instruction feedback command, the system control board verifies through CRC, stores the received parameters of each power module in the register after the verification is passed, and refreshes the corresponding register when the parameter data at the next moment is received.
As shown in fig. 5, as a fifth embodiment of the present invention, based on the fourth embodiment, a touch display screen read command communication method of a multi-power system based on Modbus RTU protocol is provided, and the method is applied to the multi-power system as in embodiment 1, and the specific method flow is as follows:
firstly, a touch display screen of a system control board regularly reads a command for generating source parameters under the system control board through an RS485 interface;
further, after receiving the instruction and successful CRC check, the system control board reads the register data value storing the power supply parameters, and after signal recombination, the register data value is converted into a long data frame containing all the power supply module parameters, and the long data frame is checked and then sent to the touch display screen.
Further, after receiving the command reading return command, the touch control display screen is verified by CRC, the signal value is analyzed after verification, and finally, the real-time monitoring of the parameters of the power supply module is realized through the display screen.
The communication method of the multi-power system based on the Modbus RTU protocol provided in the embodiments 2-5 is suitable for most multi-power occasions where the universal field bus cannot be applied to real-time transmission, has very high universality through the Modbus RTU protocol, and has great advantages in convenience of communication efficiency, data security, confidentiality and the like. The system has the advantages that the demand of the system for the number of the communication interfaces is reduced to a certain extent, the equipment volume is reduced to a certain extent, and the system cost is reduced.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A Modbus RTU protocol based multi-power system, comprising:
the system comprises a touch display screen, a system control board, a power control box and a plurality of power modules;
the touch display screen is connected with the system control board and is used for controlling the output voltage of the multi-power system and displaying the electrical parameters of each power module in real time;
the system control board is also connected with the power supply control box and is used for replacing a target address of a control instruction or a power supply parameter reading instruction sent by the touch display screen, and after re-verification, a new control instruction or a power supply parameter reading instruction is formed and sent to the power supply control box;
the power control box is also communicated with the plurality of power modules through looped network optical fibers and is used for reorganizing and rechecking control instructions or power parameter reading instructions issued by the system control board and issuing the control instructions or the power parameter reading instructions to the power modules with ID as the head; the power supply control box is also used for receiving an uplink command of the last power supply module, and the uplink command is generated after the last power supply module receives the downlink command of the power supply control box in sequence through a ring network according to the ID sequence;
the touch display screen, the system control board, the power control box and the power modules are communicated by adopting a Modbus RTU protocol.
2. The Modbus RTU protocol based multi-power system of claim 1, wherein:
and the system control board is also used for performing CRC after receiving the control instruction issued by the touch display screen, and sending a control instruction feedback command after the CRC passes the check, so that the signal is correctly received.
3. The Modbus RTU protocol based multi-power system of claim 1, wherein:
the power supply control box is also used for storing the electric parameters of each module read through the looped network optical fiber in a register, reading the numerical value of the register after receiving the parameter reading instruction of the system control board, and uploading the reading instruction back after recombining the signal frames.
4. The Modbus RTU protocol based multi-power system of claim 3, wherein:
the system control board is also used for analyzing the received reading instruction feedback command, acquiring the electrical parameters, storing the electrical parameters in a register, reading the register value after receiving the parameter reading instruction issued by the touch display screen, forming the reading instruction feedback command, and then uploading the reading instruction feedback command to the touch display screen.
5. The Modbus RTU protocol based multi-power system of claim 1, wherein:
the power control box, the system control board and the touch control display screen start timing when the power-on system starts working, and the power parameter reading instruction is issued at fixed period timing.
6. The Modbus RTU protocol based multi-power system of claim 1, wherein:
and each power state parameter is acquired between the power control box and the power module in the form of a long data frame, a data frame address is allocated according to the ID of the power module, after the power module with the ID receives a parameter reading instruction, the module value is filled according to the current sensor sampling value, and the module value is sequentially forwarded to the next power module, after the data frame is transmitted to the last power module through the ring network optical fiber, the last power module fills the module state parameter and adds a CRC (cyclic redundancy check) code, and the CRC is uploaded to the power control box.
7. A communication method of a Modbus RTU protocol-based multi-power system, which is applied to the Modbus RTU protocol-based multi-power system according to any one of claims 1 to 6, comprising:
the touch display screen sends a power supply output direct-current voltage control instruction to the system control board;
the system control board verifies the correctness of the control instruction through CRC, and after the verification is successful, the system control board sends a control instruction feedback instruction to the touch display screen, which indicates that the control instruction is successfully received;
the system control board verifies the validity of the control instruction value and checks whether the control instruction value exceeds the allowable value range of the power supply output voltage; after verification, the system control board performs signal recombination to generate a new control instruction, and the new control instruction is sent to a power supply control box through an optical fiber interface;
after the power control box receives the control instruction issued by the system control board, the signal CRC code is checked, if the check is successful, the control instruction is issued, the control instruction issued by the system control board is issued to each power module through the optical fiber ring network, and the power modules realize the set output voltage control function through output voltage closed-loop control.
8. A communication method of a Modbus RTU protocol-based multi-power system, which is applied to the Modbus RTU protocol-based multi-power system according to any one of claims 1 to 6, comprising:
the power control box regularly transmits a power parameter reading instruction to the first power module through the optical fiber interface;
after receiving the instruction and successful CRC check, the first power module forms a long data frame, address space in the data frame is sequentially distributed according to the number of the power module, and the power module reads the value of the sampling sensor and fills in the signal frame and forwards the value to the next power module through the optical fiber ring network;
the long data frames are transmitted to each power module through the optical fiber ring network and finally integrated into a long moment frame containing all the parameters of the power modules, finally transmitted back to the power control box through the last power module, the real-time parameters of each power module are stored in the corresponding register, and the corresponding register is refreshed when the parameter data of the next moment are received.
9. The method for communication in a Modbus RTU protocol based multi-power system of claim 8, further comprising:
the system control board regularly transmits a power parameter reading instruction to the power control box through the optical fiber interface;
the power control box receives the power parameter reading instruction, reads a register value for storing real-time parameters of the power after CRC check is successful, forms a long data frame containing all power module parameters, and adds a check code and sends the check code to a system control board after re-check;
after receiving the reading instruction return command, the system control board verifies through CRC, stores the received parameters of each power module in the register after the verification is passed, and refreshes the corresponding register when the parameter data at the next moment is received.
10. The method for communication in a Modbus RTU protocol based multi-power system of claim 9, further comprising:
the touch display screen reads the instruction to the power generation source parameters under the system control panel at regular time through the RS485 interface;
the system control board receives the power parameter reading instruction, reads a register data value storing the power parameter after CRC check is successful, and then recombines the data into a long data frame containing all the power module parameters through signals, and sends the long data frame to the touch display screen after check;
after receiving the reading instruction feedback command, the touch control display screen is verified by CRC, the signal value is analyzed after verification is passed, and finally, the real-time monitoring of the parameters of the power supply module is realized through the display screen.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425098A (en) * | 2012-05-01 | 2013-12-04 | 马克西姆综合产品公司 | Daisy chain configuration for power converters |
| CN105337982A (en) * | 2015-11-19 | 2016-02-17 | 江苏科技大学 | Communication module for high-frequency high-voltage electrostatic dust removal power supply and implementation method |
| CN105450489A (en) * | 2015-12-02 | 2016-03-30 | 大连理工计算机控制工程有限公司 | HEBus high-efficiency fieldbus system and communication method for outputting priority to realize shortest message |
| CN106324546A (en) * | 2016-10-27 | 2017-01-11 | 中国南方电网有限责任公司电网技术研究中心 | Electronic transformer state acquisition device |
| CN209823420U (en) * | 2019-06-14 | 2019-12-20 | 四川英杰电气股份有限公司 | Direct current power supply control system |
| CN115912916A (en) * | 2022-10-20 | 2023-04-04 | 中国科学院合肥物质科学研究院 | Multiple isolated programmable digital power supply for bipolar proton transfer reaction mass spectrometry |
| CN116845974A (en) * | 2023-08-31 | 2023-10-03 | 广东电网有限责任公司中山供电局 | A distributed power supply rapid control method, device, equipment and medium |
-
2023
- 2023-10-16 CN CN202311334624.2A patent/CN117319099A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425098A (en) * | 2012-05-01 | 2013-12-04 | 马克西姆综合产品公司 | Daisy chain configuration for power converters |
| CN105337982A (en) * | 2015-11-19 | 2016-02-17 | 江苏科技大学 | Communication module for high-frequency high-voltage electrostatic dust removal power supply and implementation method |
| CN105450489A (en) * | 2015-12-02 | 2016-03-30 | 大连理工计算机控制工程有限公司 | HEBus high-efficiency fieldbus system and communication method for outputting priority to realize shortest message |
| CN106324546A (en) * | 2016-10-27 | 2017-01-11 | 中国南方电网有限责任公司电网技术研究中心 | Electronic transformer state acquisition device |
| CN209823420U (en) * | 2019-06-14 | 2019-12-20 | 四川英杰电气股份有限公司 | Direct current power supply control system |
| CN115912916A (en) * | 2022-10-20 | 2023-04-04 | 中国科学院合肥物质科学研究院 | Multiple isolated programmable digital power supply for bipolar proton transfer reaction mass spectrometry |
| CN116845974A (en) * | 2023-08-31 | 2023-10-03 | 广东电网有限责任公司中山供电局 | A distributed power supply rapid control method, device, equipment and medium |
Non-Patent Citations (3)
| Title |
|---|
| 孙启昌;: "基于现场总线环网的气体检测报警系统", 石油化工自动化, no. 01, 20 February 2013 (2013-02-20) * |
| 杨洋: "基于工业以太网与现场总线的煤矿井下供电监控系统设计", 中国硕士学位论文全文数据库, 15 September 2015 (2015-09-15) * |
| 薛彬;徐京;王猛;: "基于Modbus协议的4NIC-CK程控电源上位机监控系统设计", 电子设计工程, no. 20, 20 October 2013 (2013-10-20) * |
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