CN220043582U

CN220043582U - Wireless communication device of water balance system of thermal power plant

Info

Publication number: CN220043582U
Application number: CN202321388284.7U
Authority: CN
Inventors: 王超; 杨欢
Original assignee: Hubei Yiyang Huiye Electrical Technology Co ltd
Current assignee: Hubei Yiyang Huiye Electrical Technology Co ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-11-17
Anticipated expiration: 2033-06-02

Abstract

The utility model relates to the technical field of production equipment of thermal power plants, in particular to a wireless communication device of a water balance system of a thermal power plant. The intelligent water supply system comprises a PLC control cabinet, two groups of GPRS modules with the model number of G780 and a plurality of groups of flowmeters fixed on a water source pipeline, wherein the flowmeters are electrically connected to one group of GPRS modules in a parallel mode, the two groups of flowmeters are electrically connected to one another, the other group of flowmeters are installed in the PLC control cabinet, a gateway for reading data in the GPRS modules is installed in the PLC control cabinet, the gateway is electrically connected with the PLC control cabinet, and the gateway is electrically connected with the other group of GPRS modules. According to the utility model, through the wireless transmission function between the GPRS modules, 80% of cable laying work is saved, meanwhile, the labor cost and the material cost are reduced by more than 60%, the post maintenance is convenient, and if the communication is interrupted, only the GPRS modules are required to be replaced, the problem can be solved, and the maintenance convenience is improved.

Description

Wireless communication device of water balance system of thermal power plant

Technical Field

The utility model belongs to the technical field of production equipment of thermal power plants, and particularly relates to a wireless communication device of a water balance system of a thermal power plant.

Background

The water balance system provides standard data for important calculation of monitoring incoming water and drainage of the whole plant in the thermal power plant, and finally calculates monthly, quarterly and annually water consumption and drainage of the whole plant by additionally arranging a flowmeter at a pipeline of a water source required by the whole plant so as to judge whether the drainage of the whole plant water is reasonable or not. A large number of flow meters are used for monitoring in the water balance system, signals of the flow meters are connected to a PLC (programmable logic controller) or a DCS (distributed control system) system in a hard-wired mode, and the signals are uploaded to an upper computer end for data display after calculation or range conversion is carried out inside the PLC and the DCS. The position of the inside shunt meter of factory is comparatively remote, and the degree of difficulty is great when carrying out cable laying, needs to consume a large amount of manpower, material resources financial resources, and simultaneously to the stability of the unable complete guarantee data of ultra-long distance signal, if have the interference source in the middle of the cable laying, still need to transfer the signal in the midway, just so can realize foretell signal acquisition process, and whole system construction implementation is comparatively complicated, and later maintenance is inconvenient yet.

Disclosure of Invention

The utility model provides a wireless communication device of a water balance system of a thermal power plant aiming at the problems. The intelligent water supply system comprises a PLC control cabinet, two groups of GPRS modules with the model number of G780 and a plurality of groups of flowmeters fixed on a water source pipeline, wherein the flowmeters are electrically connected to one group of GPRS modules in a parallel mode, the two groups of flowmeters are electrically connected to one another, the other group of flowmeters are installed in the PLC control cabinet, a gateway for reading data in the GPRS modules is installed in the PLC control cabinet, the gateway is electrically connected with the PLC control cabinet, and the gateway is electrically connected with the other group of GPRS modules.

Furthermore, slots for inserting telephone cards are arranged on the two groups of GPRS modules.

Further, the PLC control cabinet comprises a cabinet body and a PLC which is installed in the cabinet body and is 1756-L61 in model number.

Further, the gateway model is DSPLE000 gateway.

Further, a plurality of groups of flow meters are all set as flow meters with the model number of TDS-100.

The beneficial effects of the utility model are as follows:

according to the utility model, through the wireless transmission function between the GPRS modules, 80% of cable laying work is saved, meanwhile, the labor cost and the material cost are reduced by more than 60%, the post maintenance is convenient, and if the communication is interrupted, only the GPRS modules are required to be replaced, the problem can be solved, and the maintenance convenience is improved.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a prior art;

FIG. 2 shows a flow meter and GPRS connection schematic according to an embodiment of the utility model;

FIG. 3 shows a system block diagram according to an embodiment of the utility model;

fig. 4 shows a schematic diagram of PLC, gateway and GPRS connections according to an embodiment of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 2, 3 and 4, the present utility model provides a technical solution:

a wireless communication device of a water balance system of a thermal power plant. The intelligent water supply system comprises a PLC control cabinet, two groups of GPRS modules with the model number of G780 and a plurality of groups of flowmeters fixed on a water source pipeline, wherein the flowmeters are electrically connected to one group of GPRS modules in a parallel mode, the two groups of flowmeters are electrically connected to one another, the other group of flowmeters are installed in the PLC control cabinet, a gateway for reading data in the GPRS modules is installed in the PLC control cabinet, the gateway is electrically connected with the PLC control cabinet, and the gateway is electrically connected with the other group of GPRS modules.

The flow meter is used for detecting the flow of water in the water source pipeline, wherein one group of GPRS modules are used for receiving data in a plurality of groups of flow meters, and the two groups of GPRS modules are communicated in a network transmission mode by using a 4G network, so that the data of the flow meter are transmitted into the other group of GPRS modules. And the other group of GPRS modules transmits the received data to the gateway, and the gateway transmits the received data to the PLC for processing. The outlet of the flowmeter is provided with AB two ends which are correspondingly connected to the AB two ends in the GPRS module, so that the flowmeter is connected with the GPRS module, and the flowmeter and the GPRS module are respectively powered. And the AB two ends of the other group of GPRS modules are connected into the gateway and connected with the gateway, and the gateway is connected with the PLC through a network cable.

And slots for inserting telephone cards are arranged on the two groups of GPRS modules.

After the slot in the GPRS module is inserted into the telephone card, the GPRS module has the networking function, and the two groups of GPRS modules can perform wireless transmission.

The PLC control cabinet comprises a cabinet body and a PLC which is installed in the cabinet body and is 1756-L61 in model number.

The gateway model is DSPLE000 gateway.

And a plurality of groups of flow meters are all set as flow meters with the model of TDS-100.

The connection protocol between the flowmeter and the GPRS module is MODBUS RTU.

Referring to fig. 1, in the original system, a plurality of groups of flowmeters are connected into a PLC cabinet through signal shielding cables (each coal block flowmeter needs to be separately laid with one signal shielding cable), and data of the flowmeters are transmitted into the PLC through the signal shielding cables.

As shown in fig. 2, fig. 3 and fig. 4, the system architecture of the scheme is as follows, a set of GPRS module is placed at the inner end of the PLC cabinet, a set of GPRS module is placed at the local end of the flowmeter, all flowmeters in a small range can be connected into the GPRS module in parallel at the local end, a red lion gateway is used at the PLC end for collecting data read by the GPRS module, the data collected by the gateway is then uploaded to the PLC for processing, finally, the data reach the upper computer for displaying, and the two GPRS modules communicate in a network transmission mode by using a 4G network.

Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A wireless communication device of a water balance system of a thermal power plant is characterized in that: the intelligent water supply system comprises a PLC control cabinet, two groups of GPRS modules with the model number of G780 and a plurality of groups of flowmeters fixed on a water source pipeline, wherein the flowmeters are electrically connected to one group of GPRS modules in a parallel mode, the two groups of flowmeters are electrically connected to one another, the other group of flowmeters are installed in the PLC control cabinet, a gateway for reading data in the GPRS modules is installed in the PLC control cabinet, the gateway is electrically connected with the PLC control cabinet, and the gateway is electrically connected with the other group of GPRS modules.

2. The wireless communication device of a water balance system of a thermal power plant according to claim 1, wherein: and slots for inserting telephone cards are arranged on the two groups of GPRS modules.

3. The wireless communication device of a water balance system of a thermal power plant according to claim 2, wherein: the PLC control cabinet comprises a cabinet body and a PLC which is installed in the cabinet body and is 1756-L61 in model number.

4. A water balance system wireless communication device for a thermal power plant according to claim 3, wherein: the gateway model is DSPLE000 gateway.

5. The wireless communication device of a water balance system of a thermal power plant according to claim 4, wherein: and a plurality of groups of flow meters are all set as flow meters with the model of TDS-100.