CN220040994U - A power distribution station monitoring system - Google Patents

Abstract

The utility model relates to a monitoring system of a power distribution station house, comprising: the state monitoring devices are used for acquiring monitoring quantity of the power substation room environment and sending the monitoring quantity to the concentrator through a wired RS485 communication protocol; the control devices comprise a fan controller, a light controller, a dehumidification controller and an air conditioner controller; the concentrator is used for receiving and calculating the health state of the substation room according to the substation room environment monitoring quantity, transmitting the substation room environment monitoring quantity and the substation room health state to the server, and controlling the work of each control device through a wired RS485 communication protocol; the server is used for receiving the substation room environment monitoring quantity and the substation room health state.

Description

A power distribution station monitoring system

Technical field

The utility model relates to a power distribution station monitoring system, which belongs to the field of power distribution station maintenance.

Background technique

Compared with the highly mature automation of high-voltage power distribution, the current automation level of low-voltage power distribution rooms in the distribution network is relatively low. The power supply department mainly uses the method of setting up operation teams and repair points by region for operation, maintenance and management. A large number of power distribution rooms Being in an unattended supervisory environment.

In the existing technology, supervision is carried out by installing monitoring equipment such as temperature measurement, environmental sensing, fire monitoring, etc. However, each monitoring equipment operates independently as a system, making it difficult to achieve centralized and comprehensive supervision of distribution stations and operation and maintenance of distribution rooms. and low management efficiency. Therefore, a monitoring system that can centrally and comprehensively supervise the distribution station is needed.

Utility model content

In order to solve the problems existing in the above-mentioned prior art, the present utility model provides a power distribution station monitoring system, which uses a concentrator as an edge computing node to centrally process the distribution station environment monitoring volume and manage control equipment to achieve on-site telemetry. , remote control, improve the efficiency of operation, maintenance and management of power distribution rooms; at the same time, it can reduce the communication costs of various status monitoring equipment and control equipment, and reduce the computing pressure of the server.

The technical solution of the present utility model is as follows:

A power distribution station monitoring system, including:

Several status monitoring equipment, the status monitoring equipment is used to obtain the environmental monitoring quantities of the distribution station and send them to the concentrator through the wired RS485 communication protocol;

Several control devices, including fan controllers, lighting controllers, dehumidification controllers, and air conditioning controllers; the fan controller is used to control the start or shutdown of fans in the power distribution station; the lighting controller is used to The dehumidification controller is used to control the startup or shutdown of the lights in the distribution station room; the dehumidification controller is used to control the startup or shutdown of the dehumidification device in the distribution station room and the high-voltage switch cabinet; the air conditioning controller is used to control the startup or shutdown of the air conditioning device in the distribution station room. ;

Concentrator, the concentrator is used to receive and calculate the health status of the distribution station room based on the environmental monitoring amount of the distribution station room, send the environmental monitoring amount of the distribution station room and the health status of the power distribution station room to the server, and use wired RS485 The communication protocol controls the work of each control device;

Server, the server is used to receive the environmental monitoring quantity of the power distribution station and the health status of the power distribution station.

Further, the several status monitoring devices include at least two temperature and humidity sensors; the at least two temperature and humidity sensors are installed in the station building and the high-voltage switch cabinet respectively, and are used to collect the ambient temperature and ambient humidity of the station building and the switch cabinet. and sent to the concentrator.

Further, the several status monitoring devices include smoke sensors; the smoke sensors are provided with alarm values for collecting the smoke concentration in the space within the station building and sending it to the concentrator.

Further, the several status monitoring devices include water immersion sensors; the water immersion sensors are installed in the cable trenches in the station building, and are used to monitor whether there is water immersion in the cable trenches in the station building, and send the water immersion state quantity to the centralized device.

Further, the several status monitoring devices include gas sensors; the gas sensors are installed around the inflatable high-voltage switch cabinet in the station building to obtain the SF ₆ concentration and O ₂ concentration and send them to the concentrator.

Further, the several status monitoring devices include temperature sensors; the temperature sensors collect the temperature of the circuit breaker contacts of the high-voltage switch cabinet in the station room and send it to the concentrator.

Further, the several status monitoring devices include partial discharge sensors; the partial discharge sensors collect partial discharge data of high-voltage switch cabinets in the station building and send them to the concentrator.

Further, the several status monitoring devices include a circuit breaker mechanical characteristic sensor; the circuit breaker mechanical characteristic sensor collects the mechanical characteristic data of the high-voltage switch cabinet circuit breaker in the station and sends it to the concentrator.

Further, the several status monitoring devices include cameras for acquiring monitoring videos and sending them to the concentrator.

Further, the concentrator includes an NPU neural network processing unit, 8-way switch input/output interface, 4-way analog input interface, 6-way communication interface, communication module, encryption module, and video AI analysis module; the video AI The analysis module is used to identify people entering and exiting the power distribution station room through face recognition algorithms based on surveillance videos.

The utility model has the following beneficial effects:

The utility model uses the concentrator as an edge computing node to centrally process the environmental monitoring volume of the power distribution station and manage the control equipment, realize on-site telemetry and remote control, and improve the operation, maintenance and management efficiency of the power distribution room; at the same time, it can reduce the cost of each status monitoring equipment and Control device communication costs and reduce server computing pressure.

Description of the drawings

Figure 1-2 is a schematic diagram of the distribution station monitoring system;

Figure 3 is a schematic diagram of the concentrator.

Detailed ways

The utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

Embodiment 1

As shown in Figure 1-2, a power distribution station monitoring system includes:

At least two temperature and humidity sensors. The temperature and humidity sensors are installed in the station building and the high-voltage switch cabinet. They are used to collect the ambient temperature and humidity values of the station building and switch cabinet and send them to the concentrator through the wired RS485 communication protocol;

Smoke sensor, the smoke sensor is equipped with an alarm value, which is used to collect the smoke concentration in the station room and send it to the concentrator through the wired RS485 communication protocol;

The water immersion sensor is installed in the cable trench in the station building to monitor whether there is water infiltration in the cable trench in the station building and send the water immersion data to the concentrator through the wired RS485 communication protocol;

Gas sensor. The gas sensor is installed around the inflatable high-voltage switch cabinet in the station building. It is used to obtain the SF ₆ gas concentration and O ₂ concentration. The SF ₆ gas concentration and O ₂ concentration data are sent to the concentrator through the wired RS485 communication protocol;

The partial discharge sensor collects the partial discharge data of the high-voltage switch cabinet in the station building, and sends the switch cabinet partial discharge amplitude and switch cabinet partial discharge frequency data to the concentrator through the wired RS485 communication protocol;

Temperature measurement sensor, the temperature measurement sensor collects the temperature data of the circuit breaker contacts of the high-voltage switch cabinet in the station, and sends the temperature data of the circuit breaker contacts to the concentrator through the wired RS485 communication protocol;

The circuit breaker mechanical characteristics sensor collects the mechanical characteristics data of the high-voltage switch cabinet circuit breaker in the station, and sends the mechanical characteristics of the circuit breaker during operation, such as the operating current characteristics and action time data of the opening and closing coils to the concentrator through the wired RS485 communication protocol;

The fan controller controls the startup and shutdown of the fans in the power distribution station, and the concentrator controls the operation of the fan controller through the wired RS485 communication protocol;

The lighting controller controls the lighting in the power distribution station to turn on and off, and the concentrator controls the lighting controller through the wired RS485 communication protocol;

The dehumidification controller controls the opening and closing of the dehumidification devices in the power distribution station room and high-voltage switch cabinet. The concentrator controls the work of the dehumidification controller through the wired RS485 communication protocol;

The air-conditioning controller controls the opening and closing of the air-conditioning device in the power distribution station, and the concentrator controls the operation of the air-conditioning controller through the wired RS485 communication protocol;

The concentrator is used to receive environmental monitoring data of the distribution station room. In the video AI analysis module, it uses the face recognition algorithm to identify people entering and exiting the distribution station room based on the surveillance video. In the NPU neural network processing unit, it uses the face recognition algorithm to identify people entering and exiting the distribution station room based on the environment of the distribution station room. The monitoring volume calculates the health status of the distribution station, sends the environmental monitoring volume and health status of the distribution station to the server through wireless 4G communication, and controls the work of each control equipment through the wired RS485 communication protocol.

Embodiment 2

As shown in Figure 3, the concentrator has 8 switching input interfaces, 8 switching output interfaces, 4 4-20ma analog input interfaces, and 6 485 communication interfaces; it also has built-in GPRS and LORA wireless communication modules to centralize The concentrator adopts ARM architecture core board, NPU neural network processing unit, 2 USB serial ports for debugging, the concentrator has 4GB memory, 6TB storage capacity, and has video interface output (HDMI or VGA), which can be connected to the human-machine operation screen to realize transmission It has functions such as operation viewing, parameter configuration, video viewing and playback of sensing and control equipment. It has a backup battery module and can meet normal operation if the mains power fails abnormally.

The above descriptions are only examples of the present invention, and do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the description and drawings of the present invention, or directly or indirectly used in other applications Relevant technical fields are similarly included in the scope of patent protection of the present utility model.

Claims (9)

1. A power distribution station monitoring system, which is characterized by including: Several status monitoring equipment, the status monitoring equipment is used to obtain the environmental monitoring quantities of the distribution station and send them to the concentrator through the wired RS485 communication protocol; Several control devices, including fan controllers, lighting controllers, dehumidification controllers, and air conditioning controllers; the fan controller is used to control the start or shutdown of fans in the power distribution station; the lighting controller is used to The dehumidification controller is used to control the startup or shutdown of the lights in the distribution station room; the dehumidification controller is used to control the startup or shutdown of the dehumidification device in the distribution station room and the high-voltage switch cabinet; the air conditioning controller is used to control the startup or shutdown of the air conditioning device in the distribution station room. ; Concentrator, the concentrator is used to receive and calculate the health status of the distribution station room based on the environmental monitoring amount of the distribution station room, send the environmental monitoring amount of the distribution station room and the health status of the power distribution station room to the server, and use wired RS485 The communication protocol controls the work of each control equipment; the concentrator includes an NPU neural network processing unit, 8-way switching input/output interface, 4-way analog input interface, 6-way communication interface, communication module, encryption module, and video AI analysis module ; The video AI analysis module is used to identify people entering and exiting the power distribution station room through face recognition algorithms based on surveillance videos; Server, the server is used to receive the environmental monitoring quantity of the power distribution station and the health status of the power distribution station. 2. A power distribution station monitoring system according to claim 1, characterized in that the plurality of status monitoring devices include at least two temperature and humidity sensors; the at least two temperature and humidity sensors are installed in the station building and In the high-voltage switch cabinet, it is used to collect the ambient temperature and humidity of the station building and switch cabinet and send them to the concentrator. 3. A power distribution station monitoring system according to claim 1, characterized in that the plurality of status monitoring devices include smoke sensors; the smoke sensors are provided with alarm values for collecting smoke concentration in the space within the station. and sent to the concentrator. 4. A power distribution station monitoring system according to claim 1, characterized in that the plurality of status monitoring devices include water immersion sensors; the water immersion sensors are installed in cable trenches in the station building for use in monitoring stations. Check whether the cable trench in the room is flooded, and send the flood status quantity to the concentrator. 5. A power distribution station monitoring system according to claim 1, characterized in that the plurality of status monitoring devices include gas sensors; the gas sensors are installed around the inflatable high-voltage switch cabinet in the station building for SF ₆ concentration and O ₂ concentration are obtained and sent to the concentrator. 6. A power distribution station monitoring system according to claim 1, characterized in that the plurality of status monitoring devices include temperature sensors; the temperature sensors collect the temperature of the circuit breaker contacts of the high-voltage switch cabinet in the station room. and sent to the concentrator. 7. A power distribution station monitoring system according to claim 1, characterized in that the plurality of state monitoring devices include partial discharge sensors; the partial discharge sensors collect partial discharge data of high-voltage switch cabinets in the station and send them to the concentrator. 8. A power distribution station monitoring system according to claim 1, characterized in that the plurality of status monitoring devices include a circuit breaker mechanical characteristic sensor; the circuit breaker mechanical characteristic sensor collects circuit breakage of the high-voltage switch cabinet in the station room. The mechanical characteristics data of the machine are sent to the concentrator. 9. A power distribution station monitoring system according to claim 1, characterized in that the plurality of status monitoring devices include cameras for acquiring monitoring videos and sending them to the concentrator.