CN201653571U - Online detection device for temperature of electric contact of high/low-voltage power transmission and distribution equipment - Google Patents
Online detection device for temperature of electric contact of high/low-voltage power transmission and distribution equipment Download PDFInfo
- Publication number
- CN201653571U CN201653571U CN2010201497841U CN201020149784U CN201653571U CN 201653571 U CN201653571 U CN 201653571U CN 2010201497841 U CN2010201497841 U CN 2010201497841U CN 201020149784 U CN201020149784 U CN 201020149784U CN 201653571 U CN201653571 U CN 201653571U
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- temperature
- electric contact
- contact
- power transmission
- temperature sensor
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- Expired - Fee Related
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Abstract
The utility model provides an online detection device for temperature of an electric contact of high/low-voltage power transmission and distribution equipment. Temperature sensors and wireless transmitters are respectively arranged on A, B and C three-phase upper and lower contacts of a removable circuit breaker handcart and other handcarts of a switch cabinet, electric contacts at the branch bus connecting part and a lower cable connector; a wireless receiver of the temperature sensor is arranged in a handcart chamber of the switch cabinet of the power transmission and distribution equipment; the receiver of the temperature sensor receives multichannel temperature sensor signals which are converted into digital signals through a signal processing circuit and are transmitted to a microprocessor CPU for analysis and processing; the actual temperature values of the multichannel electric contacts are sent by a driving circuit to a liquid crystal display for displaying; if the actual temperature of one electric contact exceeds the set temperature value, an alarm sounds. The utility model has the advantages that the fault can be easily captured, the fault rate of the high/low-voltage power transmission and distribution equipment is reduced, and the reliability is improved.
Description
Technical field
The utility model 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.
The utility model content
Technical problem to be solved in the utility model 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, it is a kind of high that the utility model provides, 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 utility model is:
1) the utility model 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 utlity model 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 utility model;
Fig. 2 is a wireless receiving circuit theory diagram of the present utility model;
Fig. 3 is the synoptic diagram of electric contact contact of the present utility model.
Embodiment
See also shown in the accompanying drawing, the utility model will be further described.
As Fig. 1, Fig. 2 and shown in Figure 3, it is a kind of high that the utility model provides, 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 |
|---|---|---|---|
| CN2010201497841U CN201653571U (en) | 2010-04-02 | 2010-04-02 | Online detection device for temperature of electric contact of high/low-voltage power transmission and distribution equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201497841U CN201653571U (en) | 2010-04-02 | 2010-04-02 | Online detection device for temperature of electric contact of high/low-voltage power transmission and distribution equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201653571U true CN201653571U (en) | 2010-11-24 |
Family
ID=43118813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201497841U Expired - Fee Related CN201653571U (en) | 2010-04-02 | 2010-04-02 | Online detection device for temperature of electric contact of high/low-voltage power transmission and distribution equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201653571U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813525A (en) * | 2010-04-02 | 2010-08-25 | 上海天宇电气有限公司 | Electric contact temperature online detecting device of high/low voltage power transmission and distribution apparatus |
| CN103454005A (en) * | 2013-09-16 | 2013-12-18 | 国网河南省电力公司焦作供电公司 | High-voltage bus wireless temperature-detection system |
| CN104458057A (en) * | 2013-09-18 | 2015-03-25 | 国家电网公司 | Temperature detection device for ring main unit cable connector |
| 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 |
-
2010
- 2010-04-02 CN CN2010201497841U patent/CN201653571U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813525A (en) * | 2010-04-02 | 2010-08-25 | 上海天宇电气有限公司 | Electric contact temperature online detecting device of high/low voltage power transmission and distribution apparatus |
| CN103454005A (en) * | 2013-09-16 | 2013-12-18 | 国网河南省电力公司焦作供电公司 | High-voltage bus wireless temperature-detection system |
| CN104458057A (en) * | 2013-09-18 | 2015-03-25 | 国家电网公司 | Temperature detection device for ring main unit cable connector |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20140402 |