CN101645597A - Online detection system of switchgear - Google Patents
Online detection system of switchgear Download PDFInfo
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- CN101645597A CN101645597A CN200810189783A CN200810189783A CN101645597A CN 101645597 A CN101645597 A CN 101645597A CN 200810189783 A CN200810189783 A CN 200810189783A CN 200810189783 A CN200810189783 A CN 200810189783A CN 101645597 A CN101645597 A CN 101645597A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
Abstract
The invention relates to an online detection system of switchgear, comprising a CPU, a temperature sensing system, a mechanical and insulated signal input unit, a switching value input unit and a switching value output unit. The temperature sensing system is connected with a temperature detection signal input end for detecting the temperature information of a key point of power equipment; the mechanical and insulated signal input unit is connected with the CPU for detecting the state and the insulating condition of a high-voltage switch cabinet; and the switching value input unit and the switching value output unit are connected with a switching signal end of the CPU for monitoring the switchgear. The online detection system accurately measures the temperature of the key point of power equipment in real time and rapidly outputs a corresponding switching signal to execute corresponding action and confirm the safety of a power system.
Description
Technical field
The present invention relates to a kind of online detection system of switchgear.
Background technology
At present in electric power system, middle-high voltage switch, GIS high-tension electricity devices such as (gas insulated transformer substations) are when load current is excessive, can cause power equipment to damage because of temperature rise is too high, thereby influence the operate as normal of whole electric power system, even cause enormous economic loss.Therefore, measure the temperature of power equipment key point in time, exactly, be significant for finding and getting rid of fault.
Summary of the invention
Technical problem to be solved by this invention provide a kind of temperature that can measure the power equipment key point in time, exactly and rapidly the corresponding switching signal of output to carry out corresponding action and to guarantee the online detection system of switchgear of power system security.
For solving the problems of the technologies described above, online detection system of switchgear of the present invention comprises: CPU, being used to of linking to each other with the temperature detection signal input of CPU are detected switching value input unit that is used for pilot switch equipment and the switching value output unit that the temperature-sensing system of the temperature information of power equipment key point, being used to of linking to each other with CPU detect the machinery of high-tension switch cabinet state and insulation status and insulation signal input unit and link to each other with the switching signal end of CPU.
Described CPU links to each other with host computer through communication unit, to carry out remote monitoring.
Described CPU links to each other with the switching value output unit with described switching value input unit respectively through the photoelectricity isolated location, by the photoelectricity isolated location forceful electric power and light current is isolated, and has guaranteed the safe in utilization of described on-line detecting system.
Described temperature-sensing system links to each other with CPU after being connected in series electric isolating circuit and variable connector successively, by the photoelectricity isolated location forceful electric power and light current is isolated, and has guaranteed the safe in utilization of described on-line detecting system.
Described machinery links to each other with CPU with insulation signal input unit multi-way switch circuit successively with after isolating amplifier, with forceful electric power and light current isolation, has guaranteed the safe in utilization of described on-line detecting system by the isolation amplifier.
The demonstration output of described CPU is connected with display unit.
Described temperature-sensing system comprises: heat is released temperature sensor, is released the active filter circuit and the first voltage-frequency conversion circuit that links to each other with the output of active filter circuit that the output of signal amplification circuit that first output of temperature sensor links to each other, signal amplification circuit links to each other with heat; Second output that heat is released temperature sensor is connected with the thermistor signal amplifying circuit and the second voltage-frequency conversion circuit; The described electric isolating circuit of output termination of the first voltage-frequency conversion circuit and the second voltage-frequency conversion circuit.
The control input end of described signal amplification circuit is connected with voltage offset electric circuit, and the output of signal amplification circuit is provided with output protection circuit.
The present invention has positive effect: online detection system of switchgear of the present invention comprises: being used to of linking to each other with the temperature detection signal input of CPU detected switching value input unit that is used for pilot switch equipment and the switching value output unit that the temperature-sensing system of the temperature information of power equipment key point, being used to of linking to each other with CPU detect the machinery of high-tension switch cabinet state and insulation status and insulation signal input unit and link to each other with the switching signal end of CPU.CPU measures the temperature of power equipment key point in time, exactly and exports corresponding switching signal rapidly by temperature-sensing system, to carry out corresponding action and to guarantee power system security.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is the circuit block diagram of online detection system of switchgear of the present invention;
Fig. 1 is the circuit block diagram of the temperature-sensing system in the above-mentioned online detection system of switchgear.
Embodiment
(embodiment 1)
See Fig. 1-2, the online detection system of switchgear of present embodiment comprises: CPU1, the temperature-sensing system 2 that links to each other with the temperature detection signal input of CPU1, the machinery that links to each other with CPU1 and the switching value input unit 4 and the switching value output unit 5 that insulate signal input unit 3 and link to each other with the switching signal end of CPU1.Described CPU1 links to each other with host computer 7 through communication unit 6.
Described CPU1 links to each other with switching value output unit 5 with described switching value input unit 4 respectively through photoelectricity isolated location 8.Described temperature-sensing system 2 is connected in series electric isolating circuit 9 successively and links to each other with CPU1 with variable connector 10 backs.Described machinery links to each other with CPU1 with isolation amplifier 12 backs with insulation signal input unit 3 multi-way switch circuit 11 successively.The demonstration output of described CPU1 is connected with display unit 13.
Described temperature-sensing system 2 comprises: heat is released temperature sensor 21, is released the first voltage-frequency conversion circuit 24 that active filter circuit 23 that the output of signal amplification circuit 22 that first output of temperature sensor 21 links to each other, signal amplification circuit 22 links to each other links to each other with output with active filter circuit 23 with heat; Second output that heat is released temperature sensor 21 is connected with the thermistor signal amplifying circuit 26 and the second voltage-frequency conversion circuit 25; The described electric isolating circuit 9 of the output termination of the first voltage-frequency conversion circuit 24 and the second voltage-frequency conversion circuit 25.
The control input end of described signal amplification circuit 22 is connected with voltage offset electric circuit 27, and the output of signal amplification circuit 22 is provided with output protection circuit 28.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (8)
1, a kind of online detection system of switchgear comprises: CPU (1), the temperature-sensing system (2) that links to each other with the temperature detection signal input of CPU (1), the machinery that links to each other with CPU (1) and the switching value input unit (4) and the switching value output unit (5) that insulate signal input unit (3) and link to each other with the switching signal end of CPU (1).
2, online detection system of switchgear according to claim 1 is characterized in that: described CPU (1) links to each other with host computer (7) through communication unit (6).
3, online detection system of switchgear according to claim 2 is characterized in that: described CPU (1) links to each other with switching value output unit (5) with described switching value input unit (4) respectively through photoelectricity isolated location (8).
4, according to claim 2 or 3 described online detection system of switchgear, it is characterized in that: described temperature-sensing system (2) is connected in series electric isolating circuit (9) successively and links to each other with CPU (1) with variable connector (10) back.
5, online detection system of switchgear according to claim 4 is characterized in that: described machinery links to each other with CPU (1) with isolation amplifier (12) back with insulation signal input unit (3) multi-way switch circuit (11) successively.
6, online detection system of switchgear according to claim 5 is characterized in that: the demonstration output of described CPU (1) is connected with display unit (13).
7, online detection system of switchgear according to claim 5 is characterized in that: described temperature-sensing system (2) comprising: the first voltage-frequency conversion circuit (24) that the active filter circuit (23) that heat releases temperature sensor (21), release signal amplification circuit (22) that first output of temperature sensor (21) links to each other with heat, link to each other with the output of signal amplification circuit (22) links to each other with the output with active filter circuit (23); Second output that heat is released temperature sensor (21) is in series with the thermistor signal amplifying circuit (26) and the second voltage-frequency conversion circuit (25) successively; The described electric isolating circuit of output termination (9) of the first voltage-frequency conversion circuit (24) and the second voltage-frequency conversion circuit (25).
8, online detection system of switchgear according to claim 7; it is characterized in that: the control input end of described signal amplification circuit (22) is connected with voltage offset electric circuit (27), and the output of signal amplification circuit (22) is provided with output protection circuit (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101897837A CN101645597B (en) | 2008-12-31 | 2008-12-31 | Online detection system of switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101897837A CN101645597B (en) | 2008-12-31 | 2008-12-31 | Online detection system of switchgear |
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| Publication Number | Publication Date |
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| CN101645597A true CN101645597A (en) | 2010-02-10 |
| CN101645597B CN101645597B (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101897837A Active CN101645597B (en) | 2008-12-31 | 2008-12-31 | Online detection system of switchgear |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101833673A (en) * | 2010-05-18 | 2010-09-15 | 华中科技大学 | Electric power switchgear switch state image recognition system |
| CN101873012A (en) * | 2010-07-27 | 2010-10-27 | 天津电气传动设计研究所 | 24kv box type transformer substation monitoring system |
| CN102244416A (en) * | 2010-11-16 | 2011-11-16 | 江苏科技大学 | Intelligent cubicle switchboard oriented to intelligent power grid and operating and controlling method thereof |
| CN102347770A (en) * | 2011-08-26 | 2012-02-08 | 中国北车集团大连机车研究所有限公司 | Locomotive auxiliary control unit sampling and processing circuit |
| CN102497015A (en) * | 2011-11-16 | 2012-06-13 | 江苏正佰电气有限公司 | Low voltage switchgear monitoring device |
| CN105866677A (en) * | 2016-06-08 | 2016-08-17 | 上海南华兰陵电气有限公司 | Checking operation device of 10-kV switchgear |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251380C (en) * | 2001-04-17 | 2006-04-12 | 西安德赛控制系统有限责任公司 | Intelligent module system for electric distribution and monitor |
| CN2504619Y (en) * | 2001-08-13 | 2002-08-07 | 刘忠辉 | Conductor connection part temp monitor for high voltage switch cabinet |
| CN2793737Y (en) * | 2005-05-20 | 2006-07-05 | 湖南湘能电力股份有限公司 | Insulating monitor of microcomputer DC sysrtem |
-
2008
- 2008-12-31 CN CN2008101897837A patent/CN101645597B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101833673A (en) * | 2010-05-18 | 2010-09-15 | 华中科技大学 | Electric power switchgear switch state image recognition system |
| CN101873012A (en) * | 2010-07-27 | 2010-10-27 | 天津电气传动设计研究所 | 24kv box type transformer substation monitoring system |
| CN102244416A (en) * | 2010-11-16 | 2011-11-16 | 江苏科技大学 | Intelligent cubicle switchboard oriented to intelligent power grid and operating and controlling method thereof |
| CN102244416B (en) * | 2010-11-16 | 2013-08-07 | 江苏科技大学 | Intelligent cubicle switchboard oriented to intelligent power grid and operating and controlling method thereof |
| CN102347770A (en) * | 2011-08-26 | 2012-02-08 | 中国北车集团大连机车研究所有限公司 | Locomotive auxiliary control unit sampling and processing circuit |
| CN102497015A (en) * | 2011-11-16 | 2012-06-13 | 江苏正佰电气有限公司 | Low voltage switchgear monitoring device |
| CN105866677A (en) * | 2016-06-08 | 2016-08-17 | 上海南华兰陵电气有限公司 | Checking operation device of 10-kV switchgear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101645597B (en) | 2012-04-25 |
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Owner name: ZHEJIANG PEOPLE ELECTRICAL APPLIANCE CO., LTD. Free format text: FORMER OWNER: PEOPLE ELECTRICAL APPLIANCES GROUP CO., LTD. Effective date: 20140528 |
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Effective date of registration: 20140528 Address after: 325604, Yueqing, Zhejiang province Liushi town wide industrial zone Patentee after: Zhejiang People Electrical Appliance Co., Ltd. Address before: 325604 Liushi people's Industrial Park, Zhejiang, Yueqing Patentee before: People Electrical Appliances Group Co., Ltd. |
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Effective date of registration: 20180402 Address after: 201808 No. 1515, Jia Jia highway, Shanghai, Jiading District Patentee after: Shanghai Co., Ltd., People Electrical Appliance Group Address before: 325604, Yueqing, Zhejiang province Liushi town wide industrial zone Patentee before: Zhejiang People Electrical Appliance Co., Ltd. |