CN2504619Y - Conductor connection part temp monitor for high voltage switch cabinet - Google Patents
Conductor connection part temp monitor for high voltage switch cabinet Download PDFInfo
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- CN2504619Y CN2504619Y CN 01233306 CN01233306U CN2504619Y CN 2504619 Y CN2504619 Y CN 2504619Y CN 01233306 CN01233306 CN 01233306 CN 01233306 U CN01233306 U CN 01233306U CN 2504619 Y CN2504619 Y CN 2504619Y
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- switch cabinet
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Abstract
A temperature detector which detects the temperature of a connecting point of a conductor in a high-voltage-switchgear is placed at the detecting point and the temperature signals produced by the detector are sent to a temperature sensing module fixed on a bus bar through shielded cables and after being changed into digital signals by a single chip computer in the temperature sensing module, the temperature signals are sent to a signal receiving module through infrared diodes. The sensor power supply of the temperature sensing module adopts solar energy batteries and the luminous energy which the solar energy batteries need is supplied by the signal receiving module which keeps enough insulating distance from the solar energy batteries and which is arranged in the inner walls of the switchgear and the signal receiving module sends the received temperature signals to a central signal processing part arranged on a switch panel through cables and the operations of display, alarm and long sending are done after the central signal processing part judges and treats the temperature signals.
Description
The utility model relates to a kind of temperature monitoring of monitoring conductor junction temperature in the high-tension switch cabinet.
Fast development along with China's economy, living standards of the people improve constantly, society is increasing to the demand of electric power, distribution system for 10KV-110KV, the electric current that flows through high-tension switch cabinet is also increasing, thereby the electric conductor heating is also more and more serious, thereby seriously jeopardizes the safe operation of electric system, and therefore the temperature monitoring to the high-tension switch cabinet electric conductor is very important.
At present, in the electric system, be wax disk(-sc) to the surveillance equipment of high-tension switch cabinet electric conductor.Wax disk(-sc) is attached on the position of required supervision, is elevated to when adjusting temperature as the temperature at this position, wax disk(-sc) melts.Operation the operator on duty observe wax disk(-sc) when making an inspection tour, and melts as finding wax disk(-sc), illustrates that then this position temperature anomaly raises, and can take measures at once, handles, and prevents that major accident from taking place.But wax disk(-sc) can only be attached to the observed place of tour personnel energy, along with the defective that generally adopts wax disk(-sc) of metal all-closed high-tension switch cabinet is more and more outstanding, the charged position of metal all-closed high-tension switch cabinet is closed entirely, the operations staff can't see such as junctions such as bus, insulating contacts, so wax disk(-sc) has just lost effect.Wax disk(-sc) because of vibrations come off, easily causes misjudgment easily in addition.More existing at present use electronic equipments monitor the device of high-tension switch cabinet conductor junction temperature, described as national patent ZL99254482.3 so that to produce induction power supply be that electronic detecting device provides power supply by being enclosed within coil on the bus, this device can substitute original wax disk(-sc) surveillance style, but owing to use the winding volume that is enclosed within on the bus bigger, phase spacing is reduced, increase the potential safety hazard of system, and needed certain starting current could guarantee that electronic detecting device ends normal work.Therefore in use be subjected to many restrictions.
In order to overcome the limitation of using wax disk(-sc) and the shortcoming of the described temperature testing equipment of national patent ZL99254482.3, the utility model provides a kind of device for detecting temperature of monitoring conductor junction temperature in the high-tension switch cabinet, can monitor the tour personnel can not observed point, again the safe operation of primary equipment there is not influence, need not starting current, monitoring in real time.
The technical scheme that its technical matters that solves the utility model adopts is: temperature sensor is placed in the place, monitoring point, the temperature signal that the monitoring point that collects is located passes through shielded cable, after delivering to the temperature sensing module that is fixed on the bus and temperature signal being transformed into digital signal, be sent to signal receiving module by infrared diode by the one-chip computer in the temperature sensing module.The working power of temperature sensing module is provided by the solar cell of becoming one with it, and the required luminous energy of solar cell is provided by the signal receiving module that maintains enough insulation distances with solar cell; Signal receiving module is installed on the inwall of switch cubicle, and signal receiving module is delivered to the main frame that is installed on the switch cabinet panel with the temperature signal that receives by cable, and temperature signal shows operations such as warning, teletransmission after by the main frame judgment processing.
The purpose of this utility model is to provide a kind of temperature monitoring that high-tension switch cabinet electric conductor junction temperature raises that is used for monitoring.Because the temperature sensor volume is very little, it can place the tour personnel observedly not monitor (for example: be enclosed in the insulating contact in the insulation) to its temperature, and the volume of temperature sensing module is also very little, its required power supply is provided by solar cell, and the required light source of solar cell, by keeping the signal receiving module of enough insulation distances to provide with solar cell, thus the safe operation of primary equipment is not impacted, also need not starting current.
Fig. 1 is an electrical principle block diagram of the present utility model
Fig. 2 is embodiment one electrical schematic diagram of the present utility model
Fig. 3 is embodiment one scheme of installation of the present utility model
Among the figure, 1. temperature sensor, 2. signal front processor (AT90S1200), 3. infrared transmitter spare, 4. solar cell, 5. infrared receiver device (SHF506-38), 6. central processing unit (AT90S8515), 7. display device (LC4011), 8. light-emitting component is 9. reported to the police and output unit, 10. serial communication interface (DS75176BM), 11. Switching Power Supply, 12. shielded cable, 13. contact boxs, 14. static contacts, 15. moving contact, 16. the contact of breaker arm, 17. metal partion (metp)s, 18. busbar downleads, 19. the temperature sensing module, 20. signal receiving modules.
As shown in Figure 1, the utility model is made up of temperature detection transducing part A and central signal processing section B, temperature detection transducing part A comprises temperature sensor 1 (Rc), signal front processor 2 (AT90S1200) and infrared transmitter spare 3 (IrLED) and solar cell 4, and wherein signal front processor 2 (AT90S1200) and infrared transmitter spare 3 (IrLED) and solar cell 4 are formed temperature sensing module 19; Central signal processing section B comprises infrared receiver device 5 (SHF506-38), central processing unit 6 (AT90S8515), display device 7 (LC4011), light-emitting component 8, warning and output unit 9, serial communication interface 10 (DS75176BM) and Switching Power Supply 11, wherein infrared receiver device 5 (SHF506-38), light-emitting component 8 are formed signal receiving module 20, and central processing unit 6 (AT90S8515), display device 7 (LC4011), light-emitting component 8, warning and output unit 9, serial communication interface 10 (DS75176BM) and Switching Power Supply 11 are formed main frame.
The course of work of the present utility model is: the temperature sensor 1 among the temperature detection transducing part A is delivered to signal front processor 2 with the temperature signal at place, monitoring point by shielded cable 12, signal front processor 2 is converted to digital signal with temperature signal and sends on the infrared receiver device 5 among the B of central signal processing section with the form of infrared signal by infrared transmitter spare 3, and the power supply of temperature detection transducing part A is provided by solar cell 4; The required light source of solar cell 4 is by having the light-emitting component 8 among the central signal processing section B of enough insulation distances to provide with solar cell 4, infrared receiver device 5 among the B of central signal processing section is delivered to central processing unit 6 with the infrared signal that receives, after central processing unit 6 judgment processing, deliver to display device 7 displays temperature values, as temperature exceeding standard, then by reporting to the police and output unit 9 pronunciation sound warnings, the temperature value of check point is delivered to the data center in a distant place by serial communication interface 10.
Embodiment one and accompanying drawing 3 below in conjunction with accompanying drawing 2 are described the course of work of the present utility model in detail.As shown in Figure 3, the temperature sensing module 19 among the temperature detection transducing part A in the present embodiment is fixed on the busbar downlead 18 that will monitor, and temperature sensor 1 is pasted on the place, monitoring point; Signal receiving module 20 among the B of central signal processing section is installed on the position relative with infrared emission device 3 among the temperature detection transducing part A (signal receiving module 20 is mounted on the metal partion (metp) of ground connection, and keeps being not less than 150 millimeters air line distance with infrared emission device 3 in the temperature sensing module 19).The central processing unit 6 of central signal processing section B by programmed control when needs carry out temperature detection, it is luminous to send signal controlling light-emitting component 8, solar cell 4 in the illumination brightness temperature sensing module 19, solar cell 4 becomes electric energy to provide working power for temperature sensing module 19 transform light energy, temperature sensor 1 in the temperature sensing module 19 is to be made of the semiconductor probe with linear temperature coefficient, it is converted to temperature signal voltage signal and this voltage signal is carried out the A/D conversion by the signal front processor 2 that twin-core shielding line 12 causes in the temperature sensing module 19, and this temperature digital signal is sent out by infrared transmitter spare 3.
The central processing unit 6 (AT90S8515) that signal receiving module 20 is delivered to the temperature signal that receives among the B of central signal processing section is handled, and by display part 7 this temperature value is shown; As temperature exceeding standard, then the hummer that drives in warning and the output unit 9 sends audible alarm, and startup corresponding relays, serial communication 10 is RS485 half-duplex serial communication interface (DS75176BM) formations by standard, carry out communication by central processing unit 6 (AT90S8515) control with remote equipment, satisfy the demand of Automation of Electric Systems.
Light-emitting component 8 is made up of the optically focused miniature bulb of some or infrared-emitting diode or infra-red laser diode connection in series-parallel.Have self-checking function, luminescent device damages and can report to the police.
The utility model has the advantage of:
1, can be used for monitoring the interior heat generating spot of Totally-enclosed-type high-tension switch cabinet
2, simple installation, cheap
3, equipment is small and exquisite, and the safe operation of electric system is had no effect
4, the monitoring transducing part is powered by light, and is safe and reliable
5, need not starting current, be applicable to various rated current scopes
Claims (2)
1, a kind of temperature monitoring of monitoring high-tension switch cabinet inner wire junction temperature, it is characterized in that the temperature sensor 1 among the temperature detection transducing part A delivers to signal front processor 2 with the temperature signal at monitoring point place by shielded cable 12, signal front processor 2 is converted to digital signal with temperature signal and sends on the infrared receiver device 5 among the B of central signal processing section with the form of infrared signal by infrared transmitter spare 3, and the power supply of temperature detection transducing part A is provided by solar cell 4; The required light source of solar cell 4 is by having the light-emitting component 8 among the central signal processing section B of enough insulation distances to provide with solar cell 4, infrared receiver device 5 among the B of central signal processing section is delivered to central processing unit 6 with the infrared signal that receives, after central processing unit 6 judgment processing, deliver to display device 7 displays temperature values, as temperature exceeding standard, then by reporting to the police and output unit 9 pronunciation sound warnings, the temperature value of check point is delivered to the data center in a distant place by serial communication interface 10.
2, the temperature monitoring of monitoring high-tension switch cabinet inner wire according to claim 1 junction temperature is characterized in that the temperature sensor 1 among the temperature detection transducing part A is to be made of the semiconductor probe with linear temperature coefficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01233306 CN2504619Y (en) | 2001-08-13 | 2001-08-13 | Conductor connection part temp monitor for high voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01233306 CN2504619Y (en) | 2001-08-13 | 2001-08-13 | Conductor connection part temp monitor for high voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2504619Y true CN2504619Y (en) | 2002-08-07 |
Family
ID=33647174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01233306 Expired - Fee Related CN2504619Y (en) | 2001-08-13 | 2001-08-13 | Conductor connection part temp monitor for high voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2504619Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393447A (en) * | 2011-11-14 | 2012-03-28 | 河南汉威电子股份有限公司 | Solar energy gas detector |
| CN101645597B (en) * | 2008-12-31 | 2012-04-25 | 人民电器集团有限公司 | Online detection system of switchgear |
| US8981945B2 (en) | 2009-07-08 | 2015-03-17 | Abb Research Ltd. | Bus condition monitoring system |
| CN105987772A (en) * | 2015-02-15 | 2016-10-05 | 无锡汇尔科技有限公司 | Switchgear temperature measuring device with luminous-energy power supply system |
| CN107979175A (en) * | 2017-11-15 | 2018-05-01 | 国网山东省电力公司莱州市供电公司 | A kind of switch cabinet of converting station contact of breaker monitoring and warning system |
-
2001
- 2001-08-13 CN CN 01233306 patent/CN2504619Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645597B (en) * | 2008-12-31 | 2012-04-25 | 人民电器集团有限公司 | Online detection system of switchgear |
| US8981945B2 (en) | 2009-07-08 | 2015-03-17 | Abb Research Ltd. | Bus condition monitoring system |
| CN102393447A (en) * | 2011-11-14 | 2012-03-28 | 河南汉威电子股份有限公司 | Solar energy gas detector |
| CN102393447B (en) * | 2011-11-14 | 2014-07-02 | 河南汉威电子股份有限公司 | Solar energy gas detector |
| CN105987772A (en) * | 2015-02-15 | 2016-10-05 | 无锡汇尔科技有限公司 | Switchgear temperature measuring device with luminous-energy power supply system |
| CN107979175A (en) * | 2017-11-15 | 2018-05-01 | 国网山东省电力公司莱州市供电公司 | A kind of switch cabinet of converting station contact of breaker monitoring and warning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Liu Zhonghui Document name: Notification of Termination of Patent Right |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |