CN204421992U - A kind of combustible gas metering arrangement and supervisory system - Google Patents

Abstract

The utility model belongs to the technical field of gas metering devices and monitoring, in particular to a gas metering device and a monitoring system. The gas metering device includes an LTE MTC module and a microprocessor, the LTE MTC module is connected to the microprocessor, the LTE MTC module includes an LTE MTC wireless module and an embedded SIM card, and the LTE MTC wireless module The group is connected with the embedded SIM card; the gas metering device provided by the utility model adopts the LTE MTC (LTE Category 0) communication module for remote monitoring communication interconnection, and adopts a special processing background—LTE MTC platform (special LTE MTC The platform can facilitate the realization of various proprietary monitoring functions of metering devices through standardized and open protocols), which ensures the quality of network connections, and moreover, multiple metering devices can share traffic, making the use cost low.

Description

A gas metering device and monitoring system

technical field

The utility model belongs to the technical field of gas metering devices and monitoring, in particular to a gas metering device and a monitoring system.

Background technique

With the rapid development of clean and efficient energy such as natural gas, natural gas is entering thousands of households, and more and more urban residents are beginning to use natural gas, and the measurement and settlement of natural gas consumption is a necessary equipment for the use of natural gas—metering devices, which include transmission Various gas flow meters in the gas trunk network, flow meters/gas meters for final industrial and commercial users, and gas meters for residential users.

The monitoring of these metering devices (real-time reading of metering data, reading of status and fault information, control of these metering devices, such as software upgrades, prepaid valve control, etc.), is currently mostly done manually, which is time-consuming and laborious. , and cannot realize online monitoring at any time; some monitoring systems (including meter reading systems) now use low-power ad hoc network methods (such as Zigbee, mibile M-bus, or various custom ad hoc network methods, etc.), However, there are disadvantages such as high failure rate and high maintenance cost (including the cost of replacing components and labor costs), and the network bandwidth is low, and the quality of network connection cannot be guaranteed, making this technology almost unusable in actual use; there are also monitoring The system uses GSM/GPRS and other public network facilities, but it occupies the public number segment of the mobile phone, and the usage fee is relatively high. It competes with mobile phone users for network bandwidth and network connection, so that the quality of network connection cannot be guaranteed (for example, it may not be connected, and the network delay is too high. large, etc.).

In summary, the technical problems to be solved by the utility model are reflected in: the monitoring system of the current metering device is mostly carried out manually at present, which is time-consuming and laborious, and cannot realize online monitoring at any time; some monitoring systems use low-power Ad hoc network mode, but there are disadvantages such as high failure rate and high maintenance cost, and the network bandwidth is low, and the quality of network connection cannot be guaranteed, making this technology almost unusable in actual use.

Utility model content

In order to solve the shortcomings of the self-organizing network, such as high failure rate, high maintenance cost, and unguaranteed network connection quality, a low-cost, network-stable gas metering device monitoring system based on LTE MTC (LTE Category 0) is provided. The monitoring system Including LTE MTC application device, LTE MTC platform, LTE MTC communication network layer and gas metering device; said LTE MTC application device communicates with said LTE MTC platform through said LTE MTC communication network layer, and said LTE MTC platform communicates with said LTE MTC platform The gas metering device is connected through the LTE MTC communication network layer;

The gas metering device transmits the collected monitoring information to the LTE MTC platform through the LTE MTC communication network layer, and the LTE MTC platform transmits data to the LTE MTC application device through the LTE MTC communication network layer To realize the monitoring of the gas metering device.

The gas metering device includes an LTE MTC module and a microprocessor, the LTE MTC module is connected to the microprocessor, the LTE MTC module includes an LTE MTC wireless module and an embedded SIM card, and the LTE MTC wireless module group and the embedded SIM card is connected.

The gas metering device also includes: a pressure sensor connected to the microprocessor; a temperature sensor connected to the microprocessor; a vibration sensor connected to the microprocessor.

The gas metering device also includes: a prepaid valve control module connected to the microprocessor, a reading module connected to the microprocessor, an audible and visual alarm module connected to the microprocessor, and a sound and light alarm module connected to the microprocessor. Microprocessor GSM/GPRS unit.

The reading module is a photoelectric direct reading module or a pulse counting module.

Further, the gas metering device further includes a display module, which is connected to the microprocessor and used to display the gas consumption of the user.

It uses a dedicated IoT number segment and a dedicated processing background - the IoT platform, which ensures the quality of the network connection. Moreover, multiple metering devices can share traffic, making the use of low cost, and the dedicated IoT platform can facilitate metering Various proprietary monitoring functions of the device (realized through standardized and open protocols).

In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

The utility model adopts the gas metering device provided by LTE MTC (LTE Category 0) communication module for remote monitoring and communication interconnection, and adopts a special processing background—LTE MTC platform (the dedicated LTE MTC platform can conveniently realize various special functions of the metering device. There are monitoring functions, realized through standardized and open protocols), which can provide higher bandwidth for the monitoring and management of gas metering devices, so that more equipment can be monitored at a greater data rate at the same time, and it has a lower Latency ensures the quality of the network connection, and multiple metering devices can share the flow, making the usage cost low.

Description of drawings

Figure 1 is a schematic diagram of the composition of a gas metering device monitoring system based on LTE MTC.

Figure 2 is a schematic diagram of the communication protocol of a gas metering device monitoring system based on LTE MTC.

Figure 3 is a schematic diagram of the composition of the gas metering device.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in detail.

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

A gas metering device monitoring system based on LTE MTC, the monitoring system includes an LTE MTC application device, an LTE MTC platform, an LTE MTC communication network layer and a gas metering device; the LTE MTC application device passes through the LTE MTC communication network layer Communicatively connected with the LTE MTC platform, the LTE MTC platform is communicated with the gas metering device through the LTE MTC communication network layer;

The gas metering device transmits the collected monitoring information to the LTE MTC platform through the LTE MTC communication network layer, and the LTE MTC platform transmits data to the LTE MTC application device through the LTE MTC communication network layer To realize the monitoring of the gas metering device.

The gas metering device includes an LTE MTC module and a microprocessor, the LTE MTC module is connected to the microprocessor, the LTE MTC module includes an LTE MTC wireless module and an embedded SIM card, and the LTE MTC wireless module group and the embedded SIM card is connected.

The gas metering device further includes: a pressure sensor connected to the microprocessor; a temperature sensor connected to the microprocessor; a vibration sensor connected to the microprocessor.

The gas metering device also includes: a prepaid valve control module connected to the microprocessor, a reading module connected to the microprocessor, an audible and visual alarm module connected to the microprocessor, and a sound and light alarm module connected to the microprocessor. Microprocessor GSM/GPRS unit.

The reading module is a photoelectric direct reading module or a pulse counting module.

Further, the gas metering device also includes a display module, which is connected to the microprocessor and used to display the gas consumption of the user

It uses a dedicated IoT number segment and a dedicated processing background - the IoT platform, which ensures the quality of the network connection. Moreover, multiple metering devices can share traffic, making the use of low cost, and the dedicated IoT platform can facilitate metering Various proprietary monitoring functions of the device (realized through standardized and open protocols).

According to Figure 1, a gas metering device monitoring system based on LTE MTC is divided into LTE MTC application devices, the LTE MTC application device is used to control the flow device monitoring system, generally deployed in the computer room of the gas company, and the personnel of the gas company can Through the operation of the LTE MTC application device, it is possible to refer to the readings and various states of the remote metering device, issue commands, and close the valve when the user is in arrears. The LTE MTC platform is mainly provided by telecom operators, mainly China Mobile, China Telecom and China Unicom in China, the LTE MTC communication network layer, the LTE MTC communication network layer includes 2G, 3G, 4G, etc., and gas metering device composition.

As shown in Figure 2, the application access control protocol is adopted between the LTE MTC application and the LTE MTC platform. This protocol can adopt the standards of the Ministry of Industry and Information Technology, or the enterprise standards of the three major operators.

As shown in Figure 3, a gas metering device is mainly composed of: LTE MTC module, the LTE MTC module is provided with an embedded SIM card, which meets specific standards and has higher requirements than the SIM card performance indicators of ordinary mobile phone users, such as temperature Range, anti-vibration, storage space size, and more flashing times, etc. In addition, other functional modules can be added or subtracted as needed.

If the LTE MTC functional module is contaminated or damaged by gas, it can be replaced separately.

Other functional modules can be conveniently added or removed according to needs, such as the gas consumption reading module (transmitting the user's gas volume directly to the gas company through the remote transmission module, without the need for the gas company's meter reader to go door-to-door to read the meter, which is time-consuming and laborious), prepaid Fee valve control module (when the user is in arrears, the valve is closed, and the user is prohibited from using natural gas, etc.), adding temperature and pressure sensors can realize the conversion of the working condition flow rate to the standard condition flow rate, so that the gas company’s measurement is more accurate. Affected by temperature and pressure, it can also detect changes in gas pressure and realize gas leakage alarm. Adding a vibration sensor can realize earthquake vibration detection and automatically shut off the valve to ensure the safe use of gas for users. The alarm signal can be passed on the meter. The sound and light alarm module sends out, and can also inform the user in time through GSM/GPRS. The buttons and LCD screen are used to set some parameters, etc.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (6)

1. A gas metering device, characterized in that, the gas metering device includes an LTE MTC module and a microprocessor, the LTE MTC module is connected to the microprocessor, and the LTE MTC module includes an LTE MTC wireless module With the embedded SIM card, the LTE MTC wireless module is connected with the embedded SIM card. 2. The gas metering device according to claim 1, further comprising: a pressure sensor connected to the microprocessor; a temperature sensor connected to the microprocessor; Vibration sensor for the microprocessor. 3. The gas metering device according to any one of claims 1 or 2, characterized in that, the gas metering device further comprises: a prepaid valve control module connected to the microprocessor, connected to the microprocessor The reading module of the device is connected to the sound and light alarm module of the microprocessor, and is connected to the GSM/GPRS unit of the microprocessor. 4. The gas metering device according to claim 3, wherein the reading module is a photoelectric direct reading module or a pulse counting module. 5. The gas metering device according to any one of claims 1 or 2, characterized in that, the gas metering device also includes a display module, which is connected to a microprocessor for displaying the gas consumption of the user . 6. A gas metering device monitoring system based on LTE MTC, characterized in that, the monitoring system includes an LTE MTC application device, an LTE MTC platform, an LTE MTC communication network layer and any one of claims 1 to 4 Gas metering device; the LTE MTC application device communicates with the LTE MTC platform through the LTE MTC communication network layer, and the LTE MTC platform communicates with the gas metering device through the LTE MTC communication network layer; The gas metering device transmits the collected monitoring information to the LTE MTC platform through the LTE MTC communication network layer, and the LTE MTC platform transmits data to the LTE MTC application device through the LTE MTC communication network layer To realize the monitoring of the gas metering device.