CN110707814A

CN110707814A - Intelligent environment monitoring system of box-type substation

Info

Publication number: CN110707814A
Application number: CN201910966388.3A
Authority: CN
Inventors: 朱浩祎; 刘树森; 张�林; 王俊; 于泳; 齐伟夫; 翁晓宇; 姚欣欣; 徐萍; 李金圣; 李春辉; 陶冶; 李楠; 林立堂; 王硕; 王宇; 韩亮; 石砺瑄; 常美琦; 刘良可
Original assignee: State Grid Corp of China SGCC; State Grid Liaoning Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Liaoning Electric Power Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-01-17

Abstract

The invention discloses an intelligent environment monitoring system of a box-type transformer substation, which comprises an STM32 single chip microcomputer, a BC26 network communication chip, a voltage transformer module, a current transformer module, a temperature and humidity acquisition module, a power supply module and a serial port communication module. The STM32 singlechip collects information of electrical parameter module and humiture according to the planned task, and loads data into the internet of things module of the BC26 network communication chip through the coupler, the BC26 network communication chip is sent out through 4G network, and the network server and the upper computer receive data through the set IP address and port. And the network server and the upper computer display the current data in real time and dynamically according to the data of the Internet of things module, and alarm is given in time under abnormal conditions.

Description

Intelligent environment monitoring system of box-type substation

Technical Field

The invention relates to an environment monitoring system, in particular to an intelligent environment monitoring system of a box-type substation.

Background

At present, the transformer substation mostly adopts artificial periodic inspection, the state of the transformer substation cannot be mastered in real time, the intelligent power grid online monitoring function is not provided, and human resources are consumed.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an intelligent environment monitoring system of a box-type transformer substation, and solves the problem that the state of the transformer substation cannot be mastered in real time in the prior art.

Aiming at the technical problems, the technical scheme of the invention is as follows:

an intelligent environment monitoring system of a box-type substation comprises an STM32 single chip microcomputer, a BC26 network communication chip, a voltage transformer module, a current transformer module, a temperature and humidity acquisition module, a power supply module and a serial port communication module; the STM32 singlechip collects information of electrical parameter module and humiture according to the planned task, and loads data into the internet of things module of the BC26 network communication chip through the coupler, the BC26 network communication chip is sent out through 4G network, and the network server and the upper computer receive data through the set IP address and port.

The serial port communication module comprises 485/232 for data connection.

The voltage transformer module is an onboard precise miniature voltage transformer; the current transformer module is an onboard precise miniature current transformer.

The temperature and humidity acquisition module is a DHT11 integrated digital temperature and humidity sensor.

The STM32 singlechip comprises four driving units and four passive units, wherein the four driving units are a Cortex-M3 kernel, a DCode bus, a system bus, a universal DMA1 and a DMA 2; the four passive units are an internal SRAM, an internal flash memory register, an FSMC, and a bridge from AHB to APB.

The invention has the beneficial effects that:

and collecting uninterrupted power parameters of the closed space and the signal blind area. The BC26 communication module is combined with the wireless public network technology to ensure that the wireless centralized meter reading coverage rate is over 99.5 percent, the device stops running and automatically alarms, and signals of multiple devices are automatically matched.

The device comprises modules for measuring electrical parameters, temperature and humidity, and the like, and can realize measurement of parameters such as voltage, current, temperature, humidity and the like; a communication system based on an NBIOT network is designed, and the online condition of maintenance personnel can be monitored in real time.

By adopting a modularized design method, the intelligent temperature and humidity sensor comprises electric parameter measurement, temperature and humidity measurement and a BC26 network communication module, and can realize the acquisition of parameters such as voltage, current, temperature, humidity and the like and the remote transmission of data.

Measurement experiments and data comparison experiments are carried out on parameters such as voltage, current, temperature and humidity, and measurement results show that the system can realize remote real-time monitoring on the parameters such as voltage, current, temperature and humidity of the transformer substation.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a block diagram showing a structure of an intelligent environment monitoring system of a box-type substation.

Detailed Description

The invention is further described with reference to the following figures and examples.

Examples

Referring to fig. 1, the intelligent environment monitoring system of the box-type substation comprises an STM32 single chip microcomputer, a BC26 network communication chip, a voltage transformer module, a current transformer module, a temperature and humidity acquisition module, a power supply module and a serial port communication module; the STM32 singlechip collects information of electrical parameter module and humiture according to the planned task, and loads data into the internet of things module of the BC26 network communication chip through the coupler, the BC26 network communication chip is sent out through 4G network, and the network server and the upper computer receive data through the set IP address and port.

The serial port communication module comprises 485/232 for data connection.

The STM32 singlechip comprises four driving units and four passive units, wherein the four driving units are a Cortex-M3 kernel, a DCode bus, a system bus, a universal DMA1 and a DMA 2; the four passive units are internal SRAM, internal flash register, FSMC, bridge of AHB to APB, which connects all APB devices, all interconnected through a multi-level AHB bus architecture.

The device can implement remote monitoring on the transformer substation and feed back control data in real time through electric parameter acquisition. The voltage and current data acquisition can acquire 16 groups of data at most.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given the understanding that the present disclosure describes the principles of the invention, and that further changes and modifications may be made without departing from the spirit and scope of the invention, and these changes and modifications are to be considered within the scope of the invention as claimed. The scope of the invention is defined by the appended claims.

Claims

1. An intelligent environment monitoring system of a box-type transformer substation is characterized by comprising an STM32 single chip microcomputer, a BC26 network communication chip, a voltage transformer module, a current transformer module, a temperature and humidity acquisition module, a power supply module and a serial port communication module; the STM32 singlechip collects information of electrical parameter module and humiture according to the planned task, and loads data into the internet of things module of the BC26 network communication chip through the coupler, the BC26 network communication chip is sent out through 4G network, and the network server and the upper computer receive data through the set IP address and port.

2. The intelligent environmental monitoring system of a box-type substation according to claim 1, characterized in that said serial port communication module comprises 485/232 for data connection.

3. The intelligent environment monitoring system of a box-type substation according to claim 1, characterized in that said voltage transformer module is an on-board precision miniature voltage transformer; the current transformer module is an onboard precise miniature current transformer.

4. The intelligent environment monitoring system of a box-type substation of claim 1, characterized in that the humiture collection module is a DHT11 integral type digital humiture sensor.

5. The intelligent environment monitoring system of a box-type substation according to claim 1, characterized in that the STM32 single chip microcomputer comprises four driving units and four passive units, wherein the four driving units are Cortex-M3 kernel, DCode bus, system bus, general DMA1 and DMA 2; the four passive units are an internal SRAM, an internal flash memory register, an FSMC, and a bridge from AHB to APB.