CN207799030U - A kind of high-voltage circuit-breaker status on-line monitoring system - Google Patents

A kind of high-voltage circuit-breaker status on-line monitoring system Download PDF

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Publication number
CN207799030U
CN207799030U CN201820194164.6U CN201820194164U CN207799030U CN 207799030 U CN207799030 U CN 207799030U CN 201820194164 U CN201820194164 U CN 201820194164U CN 207799030 U CN207799030 U CN 207799030U
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China
Prior art keywords
acquisition device
voltage circuitbreaker
voltage
data acquisition
circuitbreaker
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CN201820194164.6U
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Chinese (zh)
Inventor
李建军
杨子江
邱好奇
王亚民
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Zhengzhou Tai'en Technology Co Ltd
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Zhengzhou Tai'en Technology Co Ltd
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Abstract

The utility model discloses a kind of high-voltage circuit-breaker status on-line monitoring systems, including front-end acquisition device, data acquisition device, communication device and host computer, front-end acquisition device and data acquisition device may be contained near high-voltage circuitbreaker, front-end acquisition device includes current transformer, Hall current sensor, acceleration transducer and temperature sensor, the output end of front-end acquisition device is connected with data acquisition device respectively, front-end acquisition device and data acquisition device have multigroup, one group of front-end acquisition device and data acquisition device are both provided on wherein each high-voltage circuitbreaker, data acquisition device is communicated through communication device with host computer, communication device includes radio node and relaying, each microcontroller is communicated with each radio node respectively, each radio node is repeated to be communicated with host computer.The utility model can in real time be monitored the parameters of high-voltage circuitbreaker, improve the operation and maintenance level of breaker, ensure that high-voltage circuitbreaker is run with security and stability.

Description

A kind of high-voltage circuit-breaker status on-line monitoring system
Technical field
The utility model is related to electrical equipment online monitoring technical field more particularly to a kind of high-voltage circuit-breaker status are online Monitoring system.
Background technology
High-voltage circuitbreaker carries the dual role of control and protection in the power system, in the trend of power grid global interconnection Under, the scale of power grid is increasingly huge, therefore the position of high-voltage circuitbreaker in the power system is also more and more important, and to it Normal operation also proposed increasingly higher demands.Therefore, the state of high-voltage circuitbreaker is monitored in real time, to improving open circuit The operation and maintenance level of device, the reliability for improving electric system normal operation are of great significance.
Traditional monitoring pattern is periodically to carry out inspection and maintenance to high-voltage circuitbreaker, avoids the generation of failure, this side Not only maintenance amount is big for formula, costly, and is susceptible to the phenomenon that maintenance is superfluous or maintenance is insufficient.Based on drawbacks described above, market On there are some monitoring devices, including data collector and monitoring computer, data collecting system are located near equipment, have The ability communicated with monitoring computer, monitoring computer obtain data from communication port and analyze it, and this system excessively relies on Communication interface, real-time is poor, and the data collecting system near scene does not have any data-handling capacity, can not be if necessary Emergent management burst accident.
Utility model content
The purpose of this utility model is to provide a kind of high-voltage circuit-breaker status on-line monitoring systems, can be in real time to height Each item data of voltage breaker is monitored, and ensures that high-voltage circuitbreaker is run with security and stability.
To achieve the above object, the utility model adopts the following technical solution:
A kind of high-voltage circuit-breaker status on-line monitoring system includes being adopted for acquiring the front end of high-voltage circuitbreaker parameters Acquisition means, the data acquisition device handled for the parameters to high-voltage circuitbreaker, for communication communication device and Host computer, the front-end acquisition device and data acquisition device may be contained near high-voltage circuitbreaker, and front-end acquisition device includes The current transformer of drop-out current for acquiring high-voltage circuitbreaker, divide-shut brake coil current for acquiring high-voltage circuitbreaker Hall current sensor, the acceleration transducer of vibration signal for acquiring high-voltage circuitbreaker and for acquiring high-voltage circuitbreaker Temperature temperature sensor, the output end of front-end acquisition device is connected with data acquisition device respectively, the front-end collection dress Set and data acquisition device have it is multigroup, wherein being both provided with one group of front-end acquisition device on each high-voltage circuitbreaker and data are adopted Acquisition means, data acquisition device include microcontroller, and microcontroller is communicated through communication device with host computer, and the communication device includes nothing Line node and relaying, each microcontroller are communicated with each radio node respectively, and each radio node is repeated logical with host computer Letter.
Preferably, the current transformer is set to the proximate contacts of high-voltage circuitbreaker;Hall current sensor is set to On the divide-shut brake coil of high-voltage circuitbreaker, and divide-shut brake coil is passed through from the iron core of Hall sensor;Acceleration transducer is set It is placed on the connecting rod of moving contact in high voltage breaker;The temperature sensor is set in high-voltage circuitbreaker shell.
Preferably, the data acquisition device further includes analog input unit, the input terminal point of analog input unit Be not connected with current transformer, Hall current sensor, temperature sensor and acceleration transducer, analog input unit it is defeated Outlet is connected with microcontroller.
Preferably, the analog input unit includes the low-pass filter and power amplifier being sequentially connected, low pass filtered Wave device uses RC filters, power amplifier to use OP07 operational amplifiers.
Preferably, the relaying has multistage, multilevel relay to communicate successively, and afterbody relaying is communicated with host computer.
Preferably, the output end of the microcontroller is also associated with audible-visual annunciator.
The utility model is acquired the parameters of high-voltage circuitbreaker by front-end acquisition device, and will be collected Data are sent to data acquisition device and are handled, and so as to be monitored in real time to the parameters of high-voltage circuitbreaker, carry The operation and maintenance level of high breaker, front-end acquisition device and data acquisition device are arranged near high-voltage circuitbreaker, data Harvester can be handled the collected data of front-end acquisition device, to reduce the dependence to host computer, communicated It can still be run in the case of interruption, alarm can be sent out in time when emergency occurs, ensure high-voltage circuitbreaker safety and stability Ground is run.
Description of the drawings
Fig. 1 is the principles of the present invention block diagram.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described reality The section Example that example is only the utility model is applied, instead of all the embodiments.Based on the embodiments of the present invention, Other all embodiments that those of ordinary skill in the art are obtained without making creative work belong to this The protection domain of utility model.
As shown in Figure 1, a kind of high-voltage circuit-breaker status on-line monitoring system described in the utility model, including front-end collection Device, data acquisition device, communication device and host computer, front-end acquisition device and data acquisition device may be contained within high pressure open circuit Near device, front-end acquisition device is used for for acquiring high-voltage circuitbreaker parameters, data acquisition device to high-voltage circuitbreaker Parameters are handled, communication device for communicating, host computer be used for each item data of high-voltage circuitbreaker carry out storage and It has been shown that, front-end acquisition device includes current transformer, Hall current sensor, acceleration transducer and temperature sensor, electric current Mutual inductor is set to the proximate contacts of high-voltage circuitbreaker, the drop-out current for acquiring high-voltage circuitbreaker, Hall current sensor It is set on the divide-shut brake coil of high-voltage circuitbreaker, and divide-shut brake coil is passed through from the iron core of Hall sensor, does not influence height The normal operating of other mechanisms of voltage breaker, Hall current sensor are used to acquire the divide-shut brake coil current of high-voltage circuitbreaker, Acceleration transducer is set on the connecting rod of moving contact in high voltage breaker, the vibration signal for acquiring high-voltage circuitbreaker, temperature Sensor is set in high-voltage circuitbreaker shell, the temperature for acquiring high-voltage circuitbreaker.
The output end of front-end acquisition device is connected with data acquisition device respectively, front-end acquisition device and data acquisition device Have it is multigroup, wherein be both provided with one group of front-end acquisition device and data acquisition device on each high-voltage circuitbreaker, data acquisition Device is communicated through communication device with host computer.
Data acquisition device includes analog input unit and microcontroller, the input terminal of analog input unit respectively with electricity Current transformer, Hall current sensor, temperature sensor and acceleration transducer are connected, the output end of analog input unit with Microcontroller is connected, and analog input unit includes the low-pass filter and power amplifier being sequentially connected, and low-pass filter uses RC filters, power amplifier use OP07 operational amplifiers, microcontroller to be communicated with host computer through communication device.
The communication device includes radio node and relaying, and each microcontroller is communicated with each radio node respectively, each Radio node is repeated to be communicated with host computer, and relaying has multistage, multilevel relay to communicate successively, afterbody relaying and host computer Communication.
In addition, the output end of microcontroller is also associated with audible-visual annunciator.
When the utility model at work, the drop-out current of high-voltage circuitbreaker, Hall current sensing are acquired by current transformer Device acquires the divide-shut brake coil current of high-voltage circuitbreaker, and acceleration transducer stimulates the vibration signal of high-voltage circuitbreaker, temperature to pass Sensor acquires the temperature signal of high-voltage circuitbreaker, and collected signal is sent to analog input unit and is improved, and adjusts Data after reason are sent to microcontroller, and microcontroller is handled and stored to each item data of collected high-voltage circuitbreaker, single Treated that data are sent to host computer through radio node and relaying for piece machine, enables staff in real time to high-voltage circuitbreaker Parameters are checked.The output end of microcontroller is connected with audible-visual annunciator, in a certain or a few ginseng of high-voltage circuitbreaker When number is more than setting value, audible-visual annunciator alarm reminds staff to overhaul high-voltage circuitbreaker.
The utility model is simple in structure, easy to operate, can be monitored, carry to the parameters of high-voltage circuitbreaker in real time The operation and maintenance level of high breaker ensures that high-voltage circuitbreaker is run with security and stability.

Claims (6)

1. a kind of high-voltage circuit-breaker status on-line monitoring system, it is characterised in that:Including being used to acquire high-voltage circuitbreaker items ginseng Several front-end acquisition device, the data acquisition device handled for the parameters to high-voltage circuitbreaker, for communication Communication device and host computer, the front-end acquisition device and data acquisition device may be contained near high-voltage circuitbreaker, and front end is adopted Acquisition means include the current transformer of the drop-out current for acquiring high-voltage circuitbreaker, the divide-shut brake for acquiring high-voltage circuitbreaker The Hall current sensor of coil current, the acceleration transducer of vibration signal for acquiring high-voltage circuitbreaker and for acquiring The output end of the temperature sensor of the temperature of high-voltage circuitbreaker, front-end acquisition device is connected with data acquisition device respectively, described Front-end acquisition device and data acquisition device have it is multigroup, wherein being both provided with one group of front-end collection dress on each high-voltage circuitbreaker It sets and data acquisition device, data acquisition device includes microcontroller, microcontroller is communicated through communication device with host computer, the communication Device includes radio node and relaying, and each microcontroller is communicated with each radio node respectively, and each radio node is repeated It is communicated with host computer.
2. a kind of high-voltage circuit-breaker status on-line monitoring system as described in claim 1, it is characterised in that:The Current Mutual Inductance Device is set to the proximate contacts of high-voltage circuitbreaker;Hall current sensor is set on the divide-shut brake coil of high-voltage circuitbreaker, and Divide-shut brake coil is passed through from the iron core of Hall sensor;Acceleration transducer is set to the connecting rod of moving contact in high voltage breaker On;The temperature sensor is set in high-voltage circuitbreaker shell.
3. a kind of high-voltage circuit-breaker status on-line monitoring system as described in claim 1, it is characterised in that:The data acquisition Device further includes analog input unit, and the input terminal of analog input unit is sensed with current transformer, Hall current respectively Device, temperature sensor and acceleration transducer are connected, and the output end of analog input unit is connected with microcontroller.
4. a kind of high-voltage circuit-breaker status on-line monitoring system as claimed in claim 3, it is characterised in that:The analog quantity is defeated It includes the low-pass filter and power amplifier being sequentially connected to enter unit, and low-pass filter uses RC filters, power amplifier Using OP07 operational amplifiers.
5. a kind of high-voltage circuit-breaker status on-line monitoring system as claimed in claim 4, it is characterised in that:The relaying has more Grade, multilevel relay communicate successively, and afterbody relaying is communicated with host computer.
6. a kind of high-voltage circuit-breaker status on-line monitoring system as claimed in claim 5, it is characterised in that:The microcontroller Output end is also associated with audible-visual annunciator.
CN201820194164.6U 2018-02-05 2018-02-05 A kind of high-voltage circuit-breaker status on-line monitoring system Active CN207799030U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820194164.6U CN207799030U (en) 2018-02-05 2018-02-05 A kind of high-voltage circuit-breaker status on-line monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820194164.6U CN207799030U (en) 2018-02-05 2018-02-05 A kind of high-voltage circuit-breaker status on-line monitoring system

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Publication Number Publication Date
CN207799030U true CN207799030U (en) 2018-08-31

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109164380A (en) * 2018-09-07 2019-01-08 广西电网有限责任公司电力科学研究院 A kind of mechanical state of high-voltage circuit breaker on-line monitoring and fault identification device
CN110007220A (en) * 2019-03-28 2019-07-12 南方电网科学研究院有限责任公司 A kind of breaker mechanism operating status diagnostic method and device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109164380A (en) * 2018-09-07 2019-01-08 广西电网有限责任公司电力科学研究院 A kind of mechanical state of high-voltage circuit breaker on-line monitoring and fault identification device
CN110007220A (en) * 2019-03-28 2019-07-12 南方电网科学研究院有限责任公司 A kind of breaker mechanism operating status diagnostic method and device
CN110007220B (en) * 2019-03-28 2021-06-22 南方电网科学研究院有限责任公司 Method and device for diagnosing operating state of circuit breaker mechanism

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