CN204155164U - A low-voltage power distribution cabinet temperature control system - Google Patents

Abstract

The utility model provides a temperature control system of a low-voltage power distribution cabinet, which comprises a temperature sensor, a control panel, a fan and a power equipment operation monitoring center; the temperature sensor and the control board are arranged in the low-voltage power distribution cabinet; the fan is arranged on the cabinet body of the low-voltage power distribution cabinet; the temperature sensor is provided with a temperature detection signal output end; the control panel is provided with a temperature detection signal input end, a fan control output end and a communication end; the fan is provided with an electric control signal input end; the power equipment operation monitoring center is provided with a communication end; the temperature detection signal input end of the control board is in signal electric connection with the temperature detection signal output end of the temperature sensor; the power connection control signal input end of the fan is in signal electric connection with the fan control output end of the control panel; and the communication end of the control panel is in two-way communication with the communication end of the power equipment operation monitoring center. The utility model discloses to timely aeration cooling when temperature energy real-time on-line measuring and high temperature in the low voltage distribution cabinet, effectively prevent the occurence of failure, guarantee power supply safety.

Description

A low-voltage power distribution cabinet temperature control system

technical field

The utility model relates to a temperature control system, in particular to a temperature control system of a low-voltage power distribution cabinet.

Background technique

The low-voltage distribution cabinet is an important facility in the power supply system. At present, it is more common for low-voltage power distribution cabinets to be directly installed outdoors. In order to ensure safety, the low-voltage power distribution cabinet installed outdoors usually adopts a steel plate-type sealed structure. During its operation and use, due to the poor ventilation and heat dissipation conditions of the power distribution cabinet, in the weather exposed to the sun, and the operation of the equipment in the power distribution cabinet itself generates a large amount of heat, the operating temperature of some equipment in the power distribution cabinet may even drop. It exceeds 60 degrees, while the normal operating temperature of the air switch and other equipment in the power distribution cabinet is about 45 degrees, so the temperature in the power distribution cabinet greatly exceeds the tolerance range, causing frequent trips and seriously affecting the quality of power supply. Moreover, at present, the temperature detection in the outdoor power distribution cabinet is usually measured manually, which is time-consuming, laborious and inefficient.

Utility model content

The purpose of this utility model is: to solve the problems existing in the prior art, provide a low-voltage power distribution cabinet that can detect the temperature in the low-voltage power distribution cabinet on-line in real time and automatically ventilate and cool down when the temperature in the low-voltage power distribution cabinet exceeds the set threshold value. Distribution cabinet temperature control system.

The technical solution of the utility model is: the temperature control system of the low-voltage power distribution cabinet of the utility model, and its structural characteristics are: including a temperature sensor, a control board, a fan and a power equipment operation monitoring center;

The above-mentioned temperature sensor and control board are set in the low-voltage power distribution cabinet that needs to be monitored; the fan is set on the cabinet body of the low-voltage power distribution cabinet that needs to be monitored; the power equipment operation monitoring center is set in the remote power supply management department;

The temperature sensor has a temperature detection signal output terminal; the control board has a temperature detection signal input terminal, a fan control output terminal and a communication terminal; the fan has a power connection control signal input terminal; the power equipment operation monitoring center has a communication terminal;

The temperature detection signal input end of the control board is electrically connected with the temperature detection signal output end signal of the temperature sensor; the power connection control signal input end of the fan is electrically connected with the fan control output end signal of the control board; the communication end of the control board is connected with the power equipment running The communication terminal of the monitoring center communicates in two directions.

A further solution is: the above-mentioned control board includes a signal acquisition module, a signal processing module, an execution module, a communication module and a power supply module;

The above-mentioned signal acquisition module is provided with a signal input terminal and a signal output terminal; the signal processing module is provided with a temperature signal input terminal, a control signal output terminal and a communication terminal; the execution module is provided with a signal input terminal and a signal output terminal; Internal communication terminal and external communication terminal;

The signal input end of the signal acquisition module is the temperature detection signal input end of the control board; the temperature signal input end of the signal processing module is electrically connected with the signal output end signal of the signal acquisition module; the signal input end of the execution module is connected with the control of the signal processing module The signal output terminal is electrically connected to the signal; the signal output terminal of the execution module is the fan control output terminal of the control board; the internal communication terminal of the communication module is electrically connected with the communication terminal of the signal processing module for bidirectional signal; the external communication terminal of the communication module is the The communication terminal of the control board; the power supply module provides working power for the control board.

A further solution is: the above-mentioned temperature sensor is a temperature and humidity sensor of the GY-HRTM206A model; the fan is an AC ball bearing fan of the HT-A15050 model.

A further solution includes: the main control chip of the signal processing module of the above-mentioned control board is an integrated chip of the ATmega88PA type; the power supply module is a power supply of the WA3-220S05A3 type.

The utility model has positive effects: (1) The temperature control system of the low-voltage power distribution cabinet of the utility model uploads the temperature information in the low-voltage power distribution cabinet to the remote power in real time through the communication module of the control board by setting a temperature sensor The equipment operation monitoring center realizes real-time online detection of the temperature in the low-voltage power distribution cabinet. Compared with the existing technology, the real-time performance of temperature monitoring is greatly enhanced, and labor costs are saved. (2) In the temperature control system of the low-voltage power distribution cabinet of the present utility model, when the temperature value detected by the temperature sensor received by the control board exceeds its set threshold value, the control board controls the fan to turn on the ventilation and cool down in time, effectively avoiding low-voltage power distribution. The temperature in the cabinet exceeds the tolerance range of the equipment in the cabinet, causing tripping and other accidents affecting power supply. (3) In the temperature control system of the low-voltage power distribution cabinet of the present utility model, its power equipment operation monitoring center can send ventilation and cooling commands to any low-voltage power distribution cabinet according to temperature monitoring and meteorological conditions, and the control board of the low-voltage power distribution cabinet passes through After receiving the command, the communication module controls the fan to turn on the ventilation and cool down in time, so that the temperature control of all the low-voltage power distribution cabinets belonging to it can be realized conveniently in the power equipment operation monitoring center.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a block diagram of the circuit structure of the control board in Fig. 1 .

The reference signs in the above-mentioned accompanying drawings are as follows:

temperature sensor 1,

Control board 2, signal acquisition module 21, signal processing module 22, execution module 23, communication module 24,

fan 3,

Power equipment operation monitoring center 4.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

(Example 1)

Referring to Fig. 1 and Fig. 2, the low-voltage power distribution cabinet temperature control system of this embodiment is mainly composed of a temperature sensor 1, a control board 2, a fan 3 and a power equipment operation monitoring center 4.

The temperature sensor 1 and the control board 2 are set in the low-voltage power distribution cabinet that needs to be monitored; the fan 3 is set on the cabinet of the low-voltage power distribution cabinet that needs to be monitored; the power equipment operation monitoring center 4 is usually set in the remote power supply management department.

The temperature sensor 1 has a temperature detection signal output terminal; the control board 2 has a temperature detection signal input terminal, a fan control output terminal and a communication terminal; the fan 3 has a power connection control signal input terminal; the power equipment operation monitoring center 4 has a communication terminal .

The temperature detection signal input end of the control board 2 is electrically connected with the temperature detection signal output end signal of the temperature sensor 1; the power connection control signal input end of the fan 3 is electrically connected with the fan control output end signal of the control board 2; the communication of the control board 2 Two-way communication between the terminal and the communication terminal of the power equipment operation monitoring center 4.

The control board 2 is mainly composed of a signal acquisition module 21 , a signal processing module 22 , an execution module 23 , a communication module 24 and a power supply module 25 .

Signal acquisition module 21 is provided with signal input end and signal output end; Signal processing module 22 is provided with temperature signal input end, control signal output end and communication end; Executive module 23 is provided with signal input end and signal output end; Communication module 24 is provided with There are internal communication terminals and external communication terminals; the signal input terminal of the signal acquisition module 21 is the temperature detection signal input terminal of the control board 2; the temperature signal input terminal of the signal processing module 22 and the signal output terminal signal connection of the signal acquisition module 21 connection; the signal input end of the execution module 23 is electrically connected to the control signal output end of the signal processing module 22; the signal output end of the execution module 23 is the fan control output end of the control board 2; the internal communication end of the communication module 24 is connected to the The communication terminal of the signal processing module 22 is electrically connected with two-way signals; the external communication terminal of the communication module 24 is the communication terminal of the control board 2 ; the power supply module 25 provides working power for the control board 2 .

In this embodiment, the temperature sensor 1 preferably adopts the temperature and humidity sensor of the GY-HRTM206A model; the main control chip of the signal processing module 22 of the control board 2 preferably adopts the integrated chip of the ATmega88PA model; the power supply module 25 preferably adopts the power supply of the WA3-220S05A3 model ; The fan 3 preferably adopts the AC ball bearing fan of the HT-A15050 model.

The working process of the low-voltage power distribution cabinet temperature control system in this embodiment is briefly described as follows:

The temperature sensor 1 installed in the low-voltage power distribution cabinet detects the temperature in the low-voltage power distribution cabinet in real time, and uploads the detected temperature signal to the control board 2, and the signal acquisition module 21 of the control board 2 collects and receives the signal uploaded by the temperature sensor 1 in real time And upload it to the signal processing module 22 for processing, the signal processing module 22 compares the temperature data of the real-time detection received with the built-in judgment threshold value, when the temperature data of real-time detection exceeds the threshold value, the signal processing module 22 will execute Module 23 issues a cooling command, and after the execution module 23 receives the instruction of the signal processing module 22, it controls to turn on the power supply of the fan 3, so that the fan 3 starts to work, and the low-voltage power distribution cabinet is ventilated and cooled; when the temperature in the low-voltage power distribution cabinet When it drops to the set safe temperature threshold; the control board 2 controls the fan 3 to turn off.

The power equipment operation monitoring center 4 centrally displays the temperature in each low-voltage power distribution cabinet and the operation status information of the fan 3, and the power equipment operation monitoring center 4 can remotely set the temperature threshold in each low-voltage power distribution cabinet and hand it over to each low-voltage power distribution cabinet according to the actual situation. The control panel 2 in the low-voltage power distribution cabinet is stored. When necessary, the power equipment operation monitoring center 4 can directly and remotely issue a command to turn on the fan 3 to the control panel 2 of a certain low-voltage power distribution cabinet according to the actual situation, so as to cool down the low-voltage power distribution cabinet.

To sum up, the temperature control system of the low-voltage power distribution cabinet in this embodiment uploads the temperature information in the low-voltage power distribution cabinet to the remote power equipment operation monitoring center in real time through the communication module of the control board by setting the temperature sensor, so as to realize the monitoring of the low-voltage power distribution cabinet. The real-time online detection of the temperature in the power distribution cabinet, compared with the existing technology, the real-time performance of temperature monitoring is greatly enhanced, and labor costs are saved; when the temperature value detected by the temperature sensor received by the control board exceeds its set threshold value, The control board controls the fan to turn on the ventilation and cool down in time, effectively avoiding the occurrence of tripping and other power supply accidents caused by the temperature in the low-voltage power distribution cabinet exceeding the tolerance range of the equipment in the cabinet; its power equipment operation monitoring center can report to any A low-voltage power distribution cabinet sends a ventilation and cooling command, and the control board of the low-voltage power distribution cabinet receives the command through the communication module and controls the fan to turn on the ventilation and cooling in time, so that the power equipment operation monitoring center can control all the low-voltage power distribution cabinets. achieve temperature control.

The above embodiments are descriptions of specific implementations of the present utility model, rather than limitations of the present utility model. Those skilled in the art can also make various transformations and changes without departing from the spirit and scope of the present utility model. Changes to obtain corresponding equivalent technical solutions, so all equivalent technical solutions should be included in the patent protection scope of the present utility model.

Claims (4)

1. A low-voltage power distribution cabinet temperature control system, characterized in that it includes a temperature sensor (1), a control panel (2), a fan (3) and a power equipment operation monitoring center (4); The temperature sensor (1) and the control board (2) are set in the low-voltage power distribution cabinet to be monitored; the fan (3) is set on the cabinet body of the low-voltage power distribution cabinet to be monitored; the power equipment operation monitoring center (4 ) is set in the remote power supply management department; The temperature sensor (1) has a temperature detection signal output terminal; the control board (2) has a temperature detection signal input terminal, a fan control output terminal and a communication terminal; the fan (3) has a power connection control signal input terminal; power equipment operation monitoring The center (4) has a communication terminal; The temperature detection signal input terminal of the control board (2) is electrically connected to the temperature detection signal output terminal signal of the temperature sensor (1); the power connection control signal input terminal of the fan (3) is connected to the fan control output terminal signal of the control board (2) Electrical connection; the communication terminal of the control board (2) communicates with the communication terminal of the power equipment operation monitoring center (4) in two directions. 2. The low-voltage power distribution cabinet temperature control system according to claim 1, characterized in that: the control board (2) includes a signal acquisition module (21), a signal processing module (22), an execution module (23), A communication module (24) and a power module (25); The signal acquisition module (21) is provided with a signal input terminal and a signal output terminal; the signal processing module (22) is provided with a temperature signal input terminal, a control signal output terminal and a communication terminal; the execution module (23) is provided with a signal input terminal and signal output terminals; the communication module (24) is provided with an internal communication terminal and an external communication terminal; The signal input end of the signal acquisition module (21) is the temperature detection signal input end of the control board (2); the temperature signal input end of the signal processing module (22) is electrically connected with the signal output end signal of the signal acquisition module (21); The signal input end of the execution module (23) is electrically connected to the control signal output end of the signal processing module (22); the signal output end of the execution module (23) is the fan control output end of the control board (2); the communication module ( The internal communication terminal of 24) is electrically connected with the communication terminal of the signal processing module (22) for two-way signals; the external communication terminal of the communication module (24) is the communication terminal of the control board (2); the power supply module (25) is the control board (2) Provide working power. 3. The low-voltage power distribution cabinet temperature control system according to claim 1, characterized in that: the temperature sensor (1) is a temperature and humidity sensor of the GY-HRTM206A model; the fan (3) is an AC sensor of the HT-A15050 model Ball bearing fans. 4. The low-voltage power distribution cabinet temperature control system according to claim 2, characterized in that: the main control chip of the signal processing module (22) of the control board (2) is an integrated chip of the ATmega88PA type.