CN207280615U - High-voltage circuitbreaker temperature online monitoring system based on wireless communication - Google Patents
High-voltage circuitbreaker temperature online monitoring system based on wireless communication Download PDFInfo
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- CN207280615U CN207280615U CN201720671898.4U CN201720671898U CN207280615U CN 207280615 U CN207280615 U CN 207280615U CN 201720671898 U CN201720671898 U CN 201720671898U CN 207280615 U CN207280615 U CN 207280615U
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Abstract
It the utility model is related to a kind of high-voltage circuitbreaker temperature online monitoring system based on wireless communication, including temperature sensor, analog-digital converter, microcontroller, wireless communication interface, wireless communication unit, control room control module, PNP triode, diode, relay, alarm etc..The utility model realizes the on-line monitoring of High Voltage Circuit Breaker Contacts temperature by temperature sensor and wireless communication technique, establish the relation of temperature of circuit breaker contact and its working status, and then realize the purpose that " repair based on condition of component " is carried out to breaker, to improving breaker service without power-off, excessively maintenance is avoided to have great importance.
Description
Technical field
The utility model belongs to the online real-time examination and repair of power equipment and area of maintenance, and channel radio is based on more particularly to one kind
The high-voltage circuitbreaker temperature online monitoring system of letter.
Background technology
Breaker bears control and the dual role protected, its property as one of most important equipment in electric system
The reliability of energy is related to the safe operation of electric system.The material of contact of breaker has definite critical-temperature, works as reality
Temperature when being higher than critical-temperature, the electric strength of material can be remarkably decreased, and such as cannot be found and be taken measures in time, may
Serious accident is caused, it can thus be appreciated that contact temperature rise is to influence the principal element of breaker work.Since contact of breaker is at it
In internal arc-chutes, it is impossible to which current potential is very high when directly observing, and running, and can not be tested with simple method.This
High-voltage circuitbreaker temperature online monitoring system of the utility model based on wireless communication obtains contact of breaker using temperature sensor
Temperature, then temperature value is transferred to the control system of monitoring room with radio frequency chip, realized to contact of breaker
The on-line monitoring of temperature and early warning.
Utility model content
The utility model provides a kind of sends the temperature of High Voltage Circuit Breaker Contacts to prison by the way of wireless communication
Control room computer carries out on-line monitoring and the temperature monitoring system of early warning.
Technical solution is used by the utility model：
A kind of high-voltage circuitbreaker temperature online monitoring system based on wireless communication, it is characterised in that the system include by
Sequentially connected temperature sensor, analog-digital converter, microcontroller, the temperature measurement unit of wireless communication interface composition；Temperature is surveyed
Amount unit is connected with wireless communication unit；Wireless communication unit is connected with monitoring room control module；Control room control module by according to
The control module of secondary connection, PNP triode, diode, relay, alarm are formed.The temperature sensor is installed on open circuit
The each phase contact temperature monitoring point of device, temperature sensor pass to temperature signal positioned at proximity to circuit breakers through analog-digital converter
Microcontroller, microcontroller export the temperature signal of multiple temperature sensors to wireless communication interface, and wireless communication interface is by penetrating
Frequency signal, the wireless communication unit positioned at supervisory control of substation room is passed to by temperature data by wireless data communication passage, it
Temperature data is passed to monitoring room control module afterwards.The control signal of monitoring room control module output drives relay through triode
Device controls the break-make of alarm electric current, and then controls whether to send temperature geofence signal to staff.
In a kind of above-mentioned high-voltage circuitbreaker temperature online monitoring system based on wireless communication, the model of temperature sensor
For PT100, the model ADC0816 of analog-digital converter, the model MCS-51 of microcontroller, wireless communication unit model
Si4432, the model ESP8266 of control room control module, the model HH52P11 of relay.
Compared with prior art, the utility model need not apply temperature sensing material using temperature sensor on measurement point surface,
Accuracy and reliability are improved, while also solves and is easily lacked using infrared radiation thermometer by what weather and use occasion were limited
Point.The utility model realizes the on-line monitoring of High Voltage Circuit Breaker Contacts temperature by temperature sensor and wireless communication technique, builds
The relation of vertical temperature of circuit breaker contact and its working status, and then realize the purpose that " repair based on condition of component " is carried out to breaker, to carrying
High breaker service without power-off, avoids excessively maintenance from having great importance.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the electrical connection diagram of the utility model.
Embodiment
In figure, figure label component is respectively：1st, temperature sensor, 2, analog-digital converter, 3, microcontroller, 4, wireless communication
Interface, 5, temperature measurement unit, 6, wireless data communication passage, 7, wireless communication unit, 8, control room control module, 9, electricity
Resistance, 10, PNP triode, 11, diode, 12, relay coil, 13, relay normally open switch, 14, alarm.
This breaker temperature on-line monitoring system by the temperature measurement unit installed in proximity to circuit breakers, installed in substation
Wireless communication unit and control module, the relay driving system composition of monitoring room, below in conjunction with the accompanying drawings make the utility model
Further illustrate.Such as Fig. 1, each breaker of substation installs a temperature measurement unit, each phase contact temperature of breaker
A temperature sensor is installed in monitoring point, and temperature signal is passed to microcontroller by temperature sensor through analog-digital converter, and temperature is surveyed
Amount unit can be monitored the temperature of multiple measurement points, and all monitoring unit pass through wireless communication interface and monitoring room control
Unit processed realizes on-line temperature monitoring process into row data communication.
Such as Fig. 2, at each phase contact of breaker the temperature sensor 1 of temperature monitoring point through analog-digital converter 2 by temperature
Degree signal passes to the microcontroller 3 positioned at proximity to circuit breakers, and microcontroller exports the temperature signal of multiple temperature sensors to nothing
Line communication interface 4, temperature sensor 1, analog-digital converter 2, microcontroller 3, wireless communication interface 4 are collectively constituted positioned at breaker side
Temperature measurement unit 5.Wireless communication interface 4 in temperature measurement unit 5 is passed through temperature data wireless by radiofrequency signal
Data communication channel 6 passes to the wireless communication unit 7 positioned at supervisory control of substation room, and temperature data is passed to monitoring room afterwards
Control module 8.Monitoring room control module 8 passes through logical operation, and control signal is passed to the base stage of triode 10 through resistance 9.
Diode 11 plays the role of protecting relay 12 in Fig. 2.When breaker temperature is excessive, what control module 8 exported
Control signal is low level, and triode 10 turns on, and relay coil 12 is powered, and normal open switch 13 closes, then in alarm 14
There is electric current to flow through, alarm, remind staff to take corresponding measure.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (2)
- A kind of 1. high-voltage circuitbreaker temperature online monitoring system based on wireless communication, it is characterised in that the system include by according to Temperature sensor, analog-digital converter, microcontroller, the temperature measurement unit of wireless communication interface composition of secondary connection；Temperature survey Unit is connected with wireless communication unit；Wireless communication unit is connected with monitoring room control module；Control room control module is by successively The control module of connection, PNP triode, diode, relay, alarm are formed；The temperature sensor is installed on breaker Temperature signal is passed to the list positioned at proximity to circuit breakers through analog-digital converter by each phase contact temperature monitoring point, temperature sensor Piece machine, microcontroller exports the temperature signal of multiple temperature sensors passes through radio frequency to wireless communication interface, wireless communication interface Signal, passes to the wireless communication unit positioned at supervisory control of substation room, afterwards by temperature data by wireless data communication passage Temperature data is passed to monitoring room control module；The control signal of monitoring room control module output drives relay through triode To control the break-make of alarm electric current, and then control whether to send temperature geofence signal to staff.
- 2. a kind of high-voltage circuitbreaker temperature online monitoring system based on wireless communication according to claim 1, its feature It is：The model PT100 of temperature sensor, the model ADC0816 of analog-digital converter, microcontroller model MCS-51, The model Si4432 of wireless communication unit, the model ESP8266 of control room control module, the model of relay HH52P11。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720671898.4U CN207280615U (en) | 2017-06-09 | 2017-06-09 | High-voltage circuitbreaker temperature online monitoring system based on wireless communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720671898.4U CN207280615U (en) | 2017-06-09 | 2017-06-09 | High-voltage circuitbreaker temperature online monitoring system based on wireless communication |
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| CN207280615U true CN207280615U (en) | 2018-04-27 |
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| CN201720671898.4U Active CN207280615U (en) | 2017-06-09 | 2017-06-09 | High-voltage circuitbreaker temperature online monitoring system based on wireless communication |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063494A (en) * | 2017-06-09 | 2017-08-18 | 贵州电网有限责任公司电力科学研究院 | Primary cut-out temperature online monitoring system based on radio communication |
-
2017
- 2017-06-09 CN CN201720671898.4U patent/CN207280615U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063494A (en) * | 2017-06-09 | 2017-08-18 | 贵州电网有限责任公司电力科学研究院 | Primary cut-out temperature online monitoring system based on radio communication |
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