CN202676308U - Device for monitoring temperature of isolated contact of high-voltage switch cabinet on line - Google Patents
Device for monitoring temperature of isolated contact of high-voltage switch cabinet on line Download PDFInfo
- Publication number
- CN202676308U CN202676308U CN201220122661.8U CN201220122661U CN202676308U CN 202676308 U CN202676308 U CN 202676308U CN 201220122661 U CN201220122661 U CN 201220122661U CN 202676308 U CN202676308 U CN 202676308U
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- signal transceiver
- switch cabinet
- temperature
- microprocessor
- wireless signal
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Abstract
The utility model discloses a device for monitoring the temperature of an isolated contact of a high-voltage switch cabinet on line, and solves such problems of an existing device as high manufacturing cost and inaccurate test. A temperature sensor (2) is arranged on a switch cabinet insolated contact (1), and the temperature sensor (2) is electrically connected with a temperature signal collecting end of a microprocessor (3); quick saturation current transformer power supply (6) is connected with a power input end of the microprocessor (3); site wireless signal transceiver (4) is connected with an I/O of the microprocessor (3); an industrial personal computer (8) and a central wireless signal transceiver (7) are arranged in a central control room, wherein the central wireless signal transceiver (7) is connected with the site wireless signal transceiver (4) of the high voltage switch cabinet (5) in a communication manner through radio signals, and the central wireless signal transceiver (7) is connected with the industrial personal computer (8). The device disclosed by the utility model realizes continuous monitoring, historical storage, temperature rising tendency analyzing, and temperature rising abnormal pre-alarming for the temperature of the isolated contact of the high-voltage switch cabinet.
Description
Technical field
The utility model relates to a kind of temperature on-line monitoring device, particularly a kind of on-Line Monitor Device of high-tension switch cabinet insulating contact temperature.
Background technology
Along with improving constantly of line voltage grade, consumer is also more and more higher to the requirement of power supply reliability.High-tension switch cabinet moves under high voltage, current state, and its functional reliability and contact temperature rise have close relationship.In recent years, it is overheated and cause the insulating contact burnout failure that a lot of switch cabinet contacts have occured in transformer station.From the quality problems of switch cubicle itself, prior reason is to lack the effective monitoring means for the temperature rise of switch cubicle insulating contact to these accidents on the one hand.At present, in the domestic transformer station, the off-line temperature sensing meanses such as infrared thermometer are adopted in temperature survey mostly to the high-tension switch cabinet insulating contact, exist cost high, and workload is large, tests the problems such as inaccurate.
Summary of the invention
The utility model provides a kind of high-tension switch cabinet insulating contact temperature on-line monitoring device, has solved the high and inaccurate problem of test of cost that existing equipment exists.
The utility model is by the above problem of following solution:
A kind of high-tension switch cabinet insulating contact temperature on-line monitoring device, comprise the high-pressure side microprocessor, wireless signal transceiver, quick-magnetic saturated current transformer power supply and the contact type temperature sensor that arranges at the switch cubicle insulating contact, temperature sensor is connected with the AD sample circuit by the temperature signal regulation circuit with microprocessor, the quick-magnetic saturated current transformer power supply is connected with the power input of microprocessor, and provide direct supply by voltage transformation module for high-pressure side signal processing chip and wireless signal transceiver, the on-site wireless signal transceiver is connected with the I/O mouth of microprocessor, be provided with industrial computer and wireless centrex signal transceiver at central control room, keyboard and display unit, sound and light alarm and data communication units, the wireless centrex signal transceiver is connected by the radio signal communication with on-site wireless signal transceiver in the high-tension switch cabinet, and wireless centrex signal transceiver and industrial computer link together.
Six of the three-phase major loop insulating contacts are provided with microprocessor, on-site wireless signal transceiver, quick-magnetic saturated current transformer power supply and temperature sensor in high-tension switch cabinet.
The utility model carries out continuous monitoring by the electrical equipment online supervision technology to high-tension switch cabinet insulating contact temperature, historical storage, sound and light alarm and data communication etc., it is untimely to have solved the data acquisition that relies on manual inspection and cause, criterion is not accurate enough, do not have insulating contact temperaturing lifting abnormality early warning, can't carry out the temperature trend mutation analysis, be not suitable for the series of problems such as automated job.By adopting the induction power supply power supply mode, so that microprocessor and temperature sensor equipotential greatly reduce High Voltage magnetic field to interference and the impact of monitoring system.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
A kind of high-tension switch cabinet insulating contact temperature on-line monitoring device, comprise the microprocessor 3 that arranges in the high-tension switch cabinet 5, on-site wireless signal transceiver 4 and quick-magnetic saturated current transformer power supply 6, be provided with temperature sensor 2 at switch cubicle insulating contact 1, temperature sensor 2 is connected with the temperature signal collection end of microprocessor 3, quick-magnetic saturated current transformer power supply 6 is connected with the power input of microprocessor 3, on-site wireless signal transceiver 4 is connected with the I/O mouth of microprocessor 3, be provided with industrial computer 8 and wireless centrex signal transceiver 7 at central control room, wireless centrex signal transceiver 7 is connected by the radio signal communication with on-site wireless signal transceiver 4 in the high-tension switch cabinet 5, and wireless centrex signal transceiver 7 is electrically connected with industrial computer 8.
Six of the three-phase major loop insulating contacts are provided with microprocessor, on-site wireless signal transceiver, quick-magnetic saturated current transformer power supply and temperature sensor in high-tension switch cabinet 5.
The utility model is comprised of 2 major parts, first is the high-pressure side that is in noble potential, be in the High-Voltage Electrical Appliances cabinet, comprise sensor for measuring temperature unit, temperature data samwpling unit, microprocessor unit, power module unit, Radio Data-transmission unit, so-called high voltage end refer to all power supplys of this part all with the phase voltage of corresponding insulating contact as with reference to ground; Another part is the low pressure end that is in electronegative potential, namely in the Central Control Room, comprises industrial computer, wireless signal transceiver, keyboard and display unit, sound and light alarm and data communication units, so-called low pressure end refer to all power supplys of this part all with the earth as with reference to ground.
The utility model is to adopt the contact temperature-measuring principle, obtain high pressure insulating contact temperature value by high precision Pt100, after the high-pressure side microprocessor processes, be passed to low pressure end central control room industrial computer by RTTY again, industrial computer can carry out trend analysis to insulating contact temperature history data, realizes temperature anomaly pre-alarm function.So both solved the present domestic inaccurate problem of infrared probe thermometric that generally adopts, solved well again the high pressure isolating problem, realized that temperature data focused on function; High-pressure side microprocessor and temperature sensor are in equipotential, have avoided the measuring error that causes owing to processor and sensor different potentials; The required power acquisition inductive power supply of high-pressure side microprocessor and sensor element.
Exploitation has the database of storing temperature data in industrial computer, before installing each switch cubicle in the hyperbaric chamber is numbered, and each insulating contact of each switch cubicle is numbered, each switch cubicle high-pressure side module was finished once the DATA REASONING to contact in per 1 second, the low pressure end industrial computer adopts the roll-call mode to call switch cubicle insulating contact temperature measurement unit to carry out data transmission, and realize accepting data temperature anomaly and report to the police and the temperature data trend analysis, utilization by wireless telecommunications, replace the local communication bus, communication cable and equipment have been saved, device debugging and installation have been made things convenient for, realized the networking communication of industrial computer and each switch cubicle detecting unit, satisfied contact temperature centralization and intelligentized monitoring requirement; The central control room industrial computer can be preserved 1 year the temperature history data that gather; realized that by keyboard and display unit early-warning parameters setting and observed temperature show; can realize insulating contact temperature anomaly pre-alarm function by the analysis to historical data; the central control room data communication units supports this monitoring system and being incorporated into the power networks of other monitoring network to be integrated and connected; made things convenient for focusing on, analyze and sharing of data; strengthen the compatibility of monitoring system and other protection system of transformer station, improved the extended capability of system.
Claims (2)
1. high-tension switch cabinet insulating contact temperature on-line monitoring device, it is characterized in that: in high-tension switch cabinet (5), be provided with microprocessor (3), on-site wireless signal transceiver (4) and quick-magnetic saturated current transformer power supply (6), insulating contact (1) at switch cubicle is provided with temperature sensor (2), temperature sensor (2) is connected with the signals collecting end of microprocessor (3), quick-magnetic saturated current transformer power supply (6) is connected with the power input of microprocessor (3), on-site wireless signal transceiver (4) is connected with the I/O mouth of microprocessor (3), be provided with industrial computer (8) and wireless centrex signal transceiver (7) at central control room, wireless centrex signal transceiver (7) is connected by the radio signal communication with on-site wireless signal transceiver (4) in the high-tension switch cabinet (5), and wireless centrex signal transceiver (7) links together with industrial computer (8).
2. a kind of high-tension switch cabinet insulating contact temperature on-line monitoring device according to claim 1, it is characterized in that: six insulating contacts of three-phase major loop are provided with microprocessor, on-site wireless signal transceiver, quick-magnetic saturated current transformer power supply and temperature sensor in high-tension switch cabinet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220122661.8U CN202676308U (en) | 2012-03-28 | 2012-03-28 | Device for monitoring temperature of isolated contact of high-voltage switch cabinet on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220122661.8U CN202676308U (en) | 2012-03-28 | 2012-03-28 | Device for monitoring temperature of isolated contact of high-voltage switch cabinet on line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676308U true CN202676308U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220122661.8U Expired - Lifetime CN202676308U (en) | 2012-03-28 | 2012-03-28 | Device for monitoring temperature of isolated contact of high-voltage switch cabinet on line |
Country Status (1)
| Country | Link |
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| CN (1) | CN202676308U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398740A (en) * | 2013-07-29 | 2013-11-20 | 中海石油（中国）有限公司天津分公司 | Real-time on-line monitoring device for monitoring abnormal operation of switch cabinet |
| CN104007747A (en) * | 2014-06-18 | 2014-08-27 | 遵义长征电器开关设备有限责任公司 | On-line monitoring system for monitoring temperature rise of electrical switch cabinet remotely |
| CN104019914A (en) * | 2014-06-03 | 2014-09-03 | 国家电网公司 | Special temperature image alarming system for switch cabinet |
| CN104122004A (en) * | 2014-07-28 | 2014-10-29 | 安徽鑫辰电气设备有限公司 | Online monitoring device for temperatures of isolation contact of high-voltage distribution device |
| DE102015110408A1 (en) | 2015-06-29 | 2016-12-29 | Eq-3 Holding Gmbh | Electronic device and method for controlling consumers |
-
2012
- 2012-03-28 CN CN201220122661.8U patent/CN202676308U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398740A (en) * | 2013-07-29 | 2013-11-20 | 中海石油（中国）有限公司天津分公司 | Real-time on-line monitoring device for monitoring abnormal operation of switch cabinet |
| CN104019914A (en) * | 2014-06-03 | 2014-09-03 | 国家电网公司 | Special temperature image alarming system for switch cabinet |
| CN104007747A (en) * | 2014-06-18 | 2014-08-27 | 遵义长征电器开关设备有限责任公司 | On-line monitoring system for monitoring temperature rise of electrical switch cabinet remotely |
| CN104122004A (en) * | 2014-07-28 | 2014-10-29 | 安徽鑫辰电气设备有限公司 | Online monitoring device for temperatures of isolation contact of high-voltage distribution device |
| DE102015110408A1 (en) | 2015-06-29 | 2016-12-29 | Eq-3 Holding Gmbh | Electronic device and method for controlling consumers |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
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| CX01 | Expiry of patent term |