CN101813525A - Electric contact temperature online detecting device of high/low voltage power transmission and distribution apparatus - Google Patents
Electric contact temperature online detecting device of high/low voltage power transmission and distribution apparatus Download PDFInfo
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- CN101813525A CN101813525A CN201010139202.6A CN201010139202A CN101813525A CN 101813525 A CN101813525 A CN 101813525A CN 201010139202 A CN201010139202 A CN 201010139202A CN 101813525 A CN101813525 A CN 101813525A
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Abstract
The invention provides an electric contact temperature online detecting device of a high/low voltage power transmission and distribution apparatus. A temperature sensor and a wireless transmitter are respectively arranged at the electric contacts and lower cable joints at the joint of an upper contact and a lower contact of an A phase, a B phase and a C phase and a branch bus in a removable circuit breaker handcart and another handcarts of a switch cabinet, and a wireless receiver of the temperature sensor is arranged in the handcart chamber of the switch cabinet of the power transmission and distribution apparatus. After the receiver of the temperature sensor receives signals of the multi-path temperature sensor, the signals are transformed into digital signals by a signal processing circuit, the digital signals are transmitted to a microprocessor CPU to analyze and process, and the actual temperature value of the multi-path electric contact is transmitted to a liquid crystal display to display by a driving circuit, and if the actual temperature of a certain electric contact exceeds the setting temperature, an alarming device alarms. The invention has the advantages that the faults can be easily captured, the fault ratio of the high/low voltage power transmission and distribution apparatus is reduced, and the reliability is improved.
Description
Technical field
The present invention relates to a kind of temperature on-line detection device, particularly a kind of electric contact temperature online detecting device that is used for the high and low pressure equipment for power transmission and distribution.
Background technology
At present, in service at power equipment, the electric contact of the circuit breaker cart that the high and low pressure equipment for power transmission and distribution is extensible and the A of other handcart, B, the upper and lower contact of C three-phase and branch bar connection place causes switchgear excess current, overload owing to temperature rise is too high, be the principal element that causes that the switchgear failure rate is occurred frequently, but be difficult for again finding.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of detection method easy, can in time reflect the high and low pressure equipment for power transmission and distribution electric contact temperature online detecting device of temperature rise phenomenon.
In order to solve above technical matters, the invention provides a kind of high, low pressure equipment for power transmission and distribution electric contact temperature online detecting device, at the extensible circuit breaker cart of switch cubicle and the A of other handcart, B, on the C three-phase, following contact, the electric contact contact of branch bar connection place and following cable splice place are provided with temperature sensor and wireless launcher respectively, and at the indoor wireless receiver that temperature sensor is set of the switch cabinet handcart of equipment for power transmission and distribution, after the temperature sensor receiver is received the multi way temperature sensor signal, become digital signal through signal processing circuit and deliver to the microprocessor CPU analyzing and processing, and with the actual temperature numerical value of multichannel electric contact contact, deliver to liquid crystal display displays through driving circuit, when if the actual temperature of certain electric contact contact surpasses set temperature value, then, point out the operator on duty timely handling failure by alarm equipment alarm.
The extensible circuit breaker cart of described switch cubicle and the A of other handcart, B, on the C three-phase, following contact, the temperature sensor and the wireless launcher of the electric contact contact of branch bar connection place and cable splice place setting down, in certain frequency range, transmit a cryptography signal is arranged respectively, in the signal processing circuit of wireless receiver back, demoder is arranged, to determine the electric contact contact place temperature of a certain definite position, can there be error code to report an error with the temperature sensor of other some positions, the temperature sensor that comprises in other cabinets has error code to report an error, and guarantees that whole system can not make mistakes.
Superior effect of the present invention is:
1) the present invention captures fault at an easy rate, has reduced the failure rate of high and low pressure equipment for power transmission and distribution, has improved reliability;
2) the present invention has online temperature survey, from 0 ℃～125 ℃; Temperature survey point is 48 points the most nearly, can select to count according to user's demand.
Description of drawings
Fig. 1 is a radio transmitter theory diagram of the present invention;
Fig. 2 is a wireless receiving circuit theory diagram of the present invention;
Fig. 3 is the synoptic diagram of electric contact contact of the present invention.
Embodiment
See also shown in the accompanying drawing, the invention will be further described.
As Fig. 1, Fig. 2 and shown in Figure 3, the invention provides a kind of high, low pressure equipment for power transmission and distribution electric contact temperature online detecting device, at the extensible circuit breaker cart of switch cubicle and the A of other handcart, B, on the C three-phase, following contact, the electric contact contact of branch bar connection place and following cable splice place are provided with temperature sensor and wireless launcher respectively, and at the indoor wireless receiver that temperature sensor is set of the switch cabinet handcart of equipment for power transmission and distribution, after the temperature sensor receiver is received the multi way temperature sensor signal, become digital signal through signal processing circuit and deliver to the microprocessor CPU analyzing and processing, and with the actual temperature numerical value of multichannel electric contact contact, deliver to liquid crystal display displays through driving circuit, when if the actual temperature of certain electric contact contact surpasses set temperature value, then, point out the operator on duty timely handling failure by alarm equipment alarm.
The extensible circuit breaker cart of described switch cubicle and the A of other handcart, B, on the C three-phase, following contact, the temperature sensor and the wireless launcher of the electric contact contact of branch bar connection place and cable splice place setting down, in certain frequency range, transmit a cryptography signal is arranged respectively, in the signal processing circuit of wireless receiver back, demoder is arranged, to determine the electric contact contact place temperature of a certain definite position, can there be error code to report an error with the temperature sensor of other some positions, the temperature sensor that comprises in other cabinets has error code to report an error, and guarantees that whole system can not make mistakes.
LCD is inlaid on the control panel of high and low pressure switch cubicle, and be provided with alarm lamp, in case the temperature value of certain point surpasses setting value, the alarm lamp on the control panel sends reports to the police or prompting, and which electric contact contact generation temperature rise of prompting on LCDs.
Claims (2)
1. high and low pressure equipment for power transmission and distribution electric contact temperature online detecting device is characterized in that:
At the extensible circuit breaker cart of switch cubicle and the A of other handcart, B, on the C three-phase, following contact, the electric contact contact of branch bar connection place and following cable splice place are provided with temperature sensor and wireless launcher respectively, and at the indoor wireless receiver that temperature sensor is set of the switch cabinet handcart of equipment for power transmission and distribution, after the temperature sensor receiver is received the multi way temperature sensor signal, become digital signal through signal processing circuit and deliver to the microprocessor CPU analyzing and processing, and with the actual temperature numerical value of multichannel electric contact contact, deliver to liquid crystal display displays through driving circuit, when if the actual temperature of certain electric contact contact surpasses set temperature value, then by alarm equipment alarm.
2. by the described a kind of high and low pressure equipment for power transmission and distribution electric contact temperature online detecting device of claim 1, it is characterized in that:
The temperature sensor and the wireless launcher of the electric contact contact of the extensible circuit breaker cart of described switch cubicle and A, the B of other handcart, the upper and lower contact of C three-phase, branch bar connection place and cable splice place setting down, in certain frequency range, transmit a cryptography signal is arranged respectively, in the signal processing circuit of wireless receiver back, demoder is arranged, to determine the electric contact contact place temperature of a certain definite position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010139202.6A CN101813525A (en) | 2010-04-02 | 2010-04-02 | Electric contact temperature online detecting device of high/low voltage power transmission and distribution apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010139202.6A CN101813525A (en) | 2010-04-02 | 2010-04-02 | Electric contact temperature online detecting device of high/low voltage power transmission and distribution apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101813525A true CN101813525A (en) | 2010-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010139202.6A Pending CN101813525A (en) | 2010-04-02 | 2010-04-02 | Electric contact temperature online detecting device of high/low voltage power transmission and distribution apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101813525A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290797A (en) * | 2011-08-18 | 2011-12-21 | 佛山市奥力图科技有限公司 | Intelligent distribution safety control system |
| CN102636273A (en) * | 2012-03-25 | 2012-08-15 | 河南省电力公司安阳供电公司 | Switch node temperature monitoring system of distribution room |
| CN105277872A (en) * | 2014-07-25 | 2016-01-27 | 伊顿电力设备有限公司 | Method and device for detecting electrical connection abnormality of switchgear main circuit |
| CN112924046A (en) * | 2021-01-22 | 2021-06-08 | 国网江苏省电力有限公司宿迁供电分公司 | Ring main unit cable terminal connector heating fault online monitoring system and method |
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| CN200976197Y (en) * | 2006-09-28 | 2007-11-14 | 淄博正瑞电子有限公司 | High-voltage wireless temperature patrol apparatus |
| CN200983198Y (en) * | 2006-10-11 | 2007-11-28 | 杭州凯源电力科技有限公司 | Online monitoring system of contact temperature increase |
| CN201051018Y (en) * | 2007-05-31 | 2008-04-23 | 淄博惠工仪器有限公司 | Switch case contact temperature monitoring and alarming system |
| CN201653571U (en) * | 2010-04-02 | 2010-11-24 | 上海天宇电气有限公司 | Online detection device for temperature of electric contact of high/low-voltage power transmission and distribution equipment |
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2010
- 2010-04-02 CN CN201010139202.6A patent/CN101813525A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200976197Y (en) * | 2006-09-28 | 2007-11-14 | 淄博正瑞电子有限公司 | High-voltage wireless temperature patrol apparatus |
| CN200983198Y (en) * | 2006-10-11 | 2007-11-28 | 杭州凯源电力科技有限公司 | Online monitoring system of contact temperature increase |
| CN201051018Y (en) * | 2007-05-31 | 2008-04-23 | 淄博惠工仪器有限公司 | Switch case contact temperature monitoring and alarming system |
| CN201653571U (en) * | 2010-04-02 | 2010-11-24 | 上海天宇电气有限公司 | Online detection device for temperature of electric contact of high/low-voltage power transmission and distribution equipment |
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| 《PLC&FA》 20090831 韩耀振等 基于ATmega16的变电站高压开关柜无线温度采集器设计 86-89 1-2 , 第08期 2 * |
| 《农村电气化》 20090831 程现武 高压开关柜触头温度在线监测系统 34-35 1-2 , 第8期 2 * |
| 《冶金动力》 20070531 刘培恩等 在线温度监测技术在变电站开关柜中的应用 1-3 1-2 , 第5期总第123期 2 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290797A (en) * | 2011-08-18 | 2011-12-21 | 佛山市奥力图科技有限公司 | Intelligent distribution safety control system |
| CN102636273A (en) * | 2012-03-25 | 2012-08-15 | 河南省电力公司安阳供电公司 | Switch node temperature monitoring system of distribution room |
| CN105277872A (en) * | 2014-07-25 | 2016-01-27 | 伊顿电力设备有限公司 | Method and device for detecting electrical connection abnormality of switchgear main circuit |
| WO2016011897A1 (en) * | 2014-07-25 | 2016-01-28 | 伊顿电力设备有限公司 | Method and apparatus for detecting abnormal electrical connection in main circuit of switching device |
| US10073141B2 (en) | 2014-07-25 | 2018-09-11 | Eaton Electrical Equipment Co., Ltd. | Detecting method and apparatus for abnormal electrical connection in main circuit of switchgear |
| CN105277872B (en) * | 2014-07-25 | 2019-09-24 | 伊顿电力设备有限公司 | The electrical connection of switchgear main circuit abnormal detection method and device |
| CN112924046A (en) * | 2021-01-22 | 2021-06-08 | 国网江苏省电力有限公司宿迁供电分公司 | Ring main unit cable terminal connector heating fault online monitoring system and method |
| CN112924046B (en) * | 2021-01-22 | 2023-10-20 | 国网江苏省电力有限公司宿迁供电分公司 | Ring main unit cable terminal joint heating fault on-line monitoring system and method |
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Open date: 20100825 |