CN102738713A - Intelligent lightning-proof power distribution cabinet - Google Patents
Intelligent lightning-proof power distribution cabinet Download PDFInfo
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- CN102738713A CN102738713A CN2012102194943A CN201210219494A CN102738713A CN 102738713 A CN102738713 A CN 102738713A CN 2012102194943 A CN2012102194943 A CN 2012102194943A CN 201210219494 A CN201210219494 A CN 201210219494A CN 102738713 A CN102738713 A CN 102738713A
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Abstract
The invention belongs to the field of a power distribution cabinet, and particularly relates to an intelligent lightning-proof power distribution cabinet, which consists of a shell, a vacuum circuit breaker, a combined high-voltage lightning protection box and a lightning monitor, the combined high-voltage lightning protection box is provided with a sensor for collecting overvoltage and overcurrent signals and a three-phase arrester for current leakage, and the lightning monitor is respectively connected with the sensor and the vacuum circuit breaker and is provided with a signal processing unit used for analyzing, processing, storing and outputting signals output by the sensor and the vacuum circuit breaker. Since the overcurrent and overvoltage signals resulting from lightning can be collected by the sensor, the arrester is coupled with a separator for safe discharge of overcurrent, and lightning signals can be analyzed, stored and output by the signal processing unit of the lightning monitor, the real-time monitoring of lightning faults can be realized, professional lightning protection can be provided for relevant devices of the power distribution cabinet, and an effective monitoring means can be provided for rapidly positioning a substation subject to failure resulting from lightning.
Description
Technical field
The invention belongs to the power distribution cabinet field, relate in particular to a kind of intelligent lightning protection power distribution cabinet.
Background technology
The overvoltage that thunderbolt causes has the advantages that crest is steep, wave amplitude is big, and the porcelain insulator of switchblade knife instrument transformer all can be on the hazard, and except the direct losses of equipment, the indirect loss that line tripping, local power failure are caused is bigger.
Chinese patent CN201020518356.1 (patent name: the lightning protection device that is used for power distribution cabinet and frequency conversion tank) disclose a kind of lightning protection device that is used for power distribution cabinet; This device adopts the integrated mode of " lightning protection device+reactor "; Can effectively protect lightning impulse; Improved the power supply input quality of power distribution cabinet greatly, protection rear end power consumption equipment, but this device only provides passive protection; And can not monitor lightning parameter in real time and feed back, can't analyze and judge the fault transformer station that thunderbolt causes in real time quickly and accurately.
Chinese patent CN201120182270.0 (patent name: moving lightning-protection and anticreep power distribution cabinet) discloses a kind of moving lightning-protection and anticreep power distribution cabinet; Comprise cabinet, lightning arrester, earth leakage protective device, RCCB, mobile device; This apparatus structure is compact, rationally distributed; Have good lightning protection, overvoltage protection and anticreep function; But still can not monitor lightning parameter in real time and feed back, can't analyze and judge the fault transformer station that thunderbolt causes in real time quickly and accurately.
Summary of the invention
Technical purpose of the present invention is to solve the problems of the prior art, provide a kind of simple in structure, to the power distribution cabinet relevant device provide specialty lightning protected, cause that the transformer station of fault provides the intelligent lightning protection power distribution cabinet of effective monitoring means for location thunderbolt fast.
To achieve these goals; The technical scheme that the present invention adopted is: intelligent lightning protection power distribution cabinet; It is characterized in that: form by housing, vacuum circuit-breaker, the lightning-arrest case of combined high pressure and lightning monitoring appearance; The lightning-arrest case of described combined high pressure is provided with the transducer of gathering the overvoltage current signal, the three-phase lightning protector that is used for earial drainage; The lightning monitoring appearance is connected with transducer, vacuum circuit-breaker respectively, and described lightning monitoring appearance is provided with the signal processing unit of the signal that analysis, processing, storage and output transducer and vacuum circuit-breaker export.
As to further improvement of the present invention, series connection of the earial drainage earth terminal of every phase lightning arrester as lower component: the thermal explosion disconnector that when the short circuit of lightning arrester generation overcurrent, makes lightning arrester disengaging power distribution cabinet power-supply system.
As to further improvement of the present invention, the signal of described transducer and vacuum circuit-breaker output comprises amplitude, thunderbolt time, thunderbolt number of times and the vacuum circuit-breaker operate condition of lightning current.
As to further improvement of the present invention, the lightning monitoring appearance is provided with the sampling line, and said sampling line one termination is gone on the lightning monitoring appearance, and the transducer lead-out wire links to each other in the other end and the lightning-arrest case of combined high pressure.
As to further improvement of the present invention, described thermal explosion disconnector is connected with the infrared monitoring device.
As to further improvement of the present invention, be provided for sending the RS485 interface or the GPRS antenna of thunder and lightning data on the described lightning monitoring appearance.
The lightning-arrest case of combined high pressure links to each other with power distribution cabinet inlet wire cable; The transducer lead-out wire of the lightning-arrest case of combined high pressure links to each other with lightning monitoring appearance corresponding interface; With the monitoring lightning current; Vacuum circuit-breaker links to each other with lightning monitoring appearance corresponding interface, with the opening and closing state of monitoring vacuum circuit-breaker, thereby judges whether to be following three kinds of situation:
1. thunderbolt is arranged, tripping operation is arranged; 2.: thunderbolt is arranged, not tripping operation; 3.: do not have thunderbolt, tripping operation is arranged.
The present invention gathers the overcurrent voltage signal that causes because of thunder and lightning through transducer; Lightning arrester and disconnector are united and are used for letting out safely overcurrent; And pass through signal processing unit analysis, the storage of lightning monitoring appearance and export the thunder and lightning signal; The monitoring lightning fault provides the lightning protected of specialty to the power distribution cabinet relevant device in real time, and is that the location thunderbolt causes that the transformer station of fault provides effective monitoring means fast.
Description of drawings
Fig. 1 is the structural representation of the preferred embodiments of the present invention;
Among the figure: 1, housing, 2, vacuum circuit-breaker, 3, the lightning-arrest case of combined high pressure, 4, the lightning monitoring appearance, 5, lightning arrester, 6, the thermal explosion disconnector, 7, transducer.
Embodiment
For technical scheme, technical characterictic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with embodiment, further set forth the present invention.
Referring to Fig. 1; Intelligent lightning protection power distribution cabinet; It is characterized in that: form by housing 1, VS1-12 vacuum circuit-breaker 2, the lightning-arrest case 3 of ZGZH-80 combined high pressure and ZGLF-2 lightning monitoring appearance 4; The lightning-arrest case 3 of described combined high pressure is provided with the transducer 7 of gathering the overvoltage current signal, the three-phase lightning protector 5 that is used for earial drainage; Lightning monitoring appearance 4 is connected with transducer 7, vacuum circuit-breaker 2 respectively, and described lightning monitoring appearance 4 is provided with the signal processing unit of the signal that analysis, processing, storage and output transducer 7 and vacuum circuit-breaker 2 exported.The signal of transducer 7 and vacuum circuit-breaker 2 outputs comprises amplitude, thunderbolt time, thunderbolt number of times and the vacuum circuit-breaker operate condition of lightning current.What deserves to be mentioned is that vacuum circuit-breaker 2, the lightning-arrest case 3 of combined high pressure and lightning monitoring appearance 4 are not defined as above-mentioned model.
Vacuum circuit-breaker 2 is contained in the power distribution cabinet middle part, can conveniently advance extraction, and said lightning monitoring appearance 4 embeds and is contained on the instrument door.Be provided with 3 lightning arresters 5 in the lightning-arrest case 3 of combined high pressure; Every phase lightning arrester 5 earth terminals thermal explosion disconnector 6 of can connecting; Guarantee that lightning arrester 5 takes place to hightail high-pressure system after the overcurrent short circuit was lost efficacy, and can monitor the state of thermal explosion disconnector 5 through the infrared monitoring means.
Lightning monitoring appearance 4 is provided with the sampling line, and said sampling line one termination is gone on the lightning monitoring appearance 4, and the transducer lead-out wire links to each other in the lightning-arrest case 3 of the other end and combined high pressure, and transducer 7 abilities will collect because of the overcurrent that thunder and lightning causes in the thunder and lightning detector 4.
Be provided with on the lightning monitoring appearance 4 and can send the RS485 interface or the GPRS antenna of thunder and lightning data, the thunder and lightning data comprise amplitude, thunderbolt time, thunderbolt number of times and the vacuum circuit-breaker operate condition of lightning current, let the user check reference through Interent network termination equipment.
The lightning-arrest case 3 of combined high pressure links to each other with power distribution cabinet inlet wire cable; Lightning-arrest case 3 transducers 7 lead-out wires of combined high pressure link to each other with lightning monitoring appearance 4 corresponding interfaces; With the monitoring lightning current; Said vacuum circuit-breaker 2 links to each other with lightning monitoring appearance 4 corresponding interfaces, with the opening and closing state of monitoring vacuum circuit-breaker 2, thereby judges whether to be following three kinds of situation:
1. thunderbolt is arranged, tripping operation is arranged; 2.: thunderbolt is arranged, not tripping operation; 3.: do not have thunderbolt, tripping operation is arranged.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection range to be defined by appending claims and equivalent thereof.
Claims (6)
1. intelligent lightning protection power distribution cabinet; It is characterized in that: form by housing, vacuum circuit-breaker, the lightning-arrest case of combined high pressure and lightning monitoring appearance; The lightning-arrest case of described combined high pressure is provided with the transducer of gathering the overvoltage current signal, the three-phase lightning protector that is used for earial drainage; The lightning monitoring appearance is connected with transducer, vacuum circuit-breaker respectively, and described lightning monitoring appearance is provided with the signal processing unit of the signal that analysis, processing, storage and output transducer and vacuum circuit-breaker export.
2. intelligent lightning protection power distribution cabinet according to claim 1 is characterized in that, the earial drainage earth terminal of every phase lightning arrester is connected like lower component: when the short circuit of lightning arrester generation overcurrent, make lightning arrester break away from the thermal explosion disconnector of power distribution cabinet power-supply system.
3. intelligent lightning protection power distribution cabinet according to claim 1 and 2 is characterized in that: the signal of described transducer and vacuum circuit-breaker output comprises amplitude, thunderbolt time, thunderbolt number of times and the vacuum circuit-breaker operate condition of lightning current.
4. intelligent lightning protection power distribution cabinet according to claim 3, it is characterized in that: the lightning monitoring appearance is provided with the sampling line, and said sampling line one termination is gone on the lightning monitoring appearance, and the transducer lead-out wire links to each other in the lightning-arrest case of the other end and combined high pressure.
5. intelligent lightning protection power distribution cabinet according to claim 2 is characterized in that: described thermal explosion disconnector is connected with the infrared monitoring device.
6. intelligent lightning protection power distribution cabinet according to claim 3 is characterized in that: the RS485 interface or the GPRS antenna that are provided for sending the thunder and lightning data on the described lightning monitoring appearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102194943A CN102738713A (en) | 2012-06-29 | 2012-06-29 | Intelligent lightning-proof power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102194943A CN102738713A (en) | 2012-06-29 | 2012-06-29 | Intelligent lightning-proof power distribution cabinet |
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| Publication Number | Publication Date |
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| CN102738713A true CN102738713A (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102194943A Pending CN102738713A (en) | 2012-06-29 | 2012-06-29 | Intelligent lightning-proof power distribution cabinet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105706319A (en) * | 2013-11-05 | 2016-06-22 | 松下知识产权经营株式会社 | Distribution panel cabinet and distribution panel using same |
| CN108390264A (en) * | 2018-03-02 | 2018-08-10 | 苏州华源电气有限公司 | A kind of anti-lightning strike power distribution cabinet of remote control |
| CN109755876A (en) * | 2019-03-14 | 2019-05-14 | 合肥格威特电气技术有限公司 | A kind of reinforced anticreep three phase current lightning protection case |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201289990Y (en) * | 2008-10-31 | 2009-08-12 | 温州市创力电子有限公司 | Multifunctional low voltage distribution box |
| CN201514827U (en) * | 2009-10-27 | 2010-06-23 | 李彦朋 | Drop-out type arrester with thermal explosion type disconnector |
| CN201781273U (en) * | 2010-09-06 | 2011-03-30 | 宝鸡赫尔克电子有限公司 | Lightning protection device for power distribution cabinet and frequency conversion cabinet |
| CN102023253A (en) * | 2010-10-29 | 2011-04-20 | 北京清网华科技有限公司 | Lightning-proof monitoring warning system |
| CN201966015U (en) * | 2010-12-28 | 2011-09-07 | 大连法伏安电器有限公司 | Composite insulating distribution type lightning arrester with metal shell thermal explosion type separator |
| CN202068100U (en) * | 2011-06-01 | 2011-12-07 | 重庆泊津科技有限公司 | Mobile lightning prevention and current leakage prevention distribution cabinet |
| CN202678726U (en) * | 2012-06-29 | 2013-01-16 | 江苏正佰电气股份有限公司 | Intelligent lightning protection power distribution cabinet |
-
2012
- 2012-06-29 CN CN2012102194943A patent/CN102738713A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201289990Y (en) * | 2008-10-31 | 2009-08-12 | 温州市创力电子有限公司 | Multifunctional low voltage distribution box |
| CN201514827U (en) * | 2009-10-27 | 2010-06-23 | 李彦朋 | Drop-out type arrester with thermal explosion type disconnector |
| CN201781273U (en) * | 2010-09-06 | 2011-03-30 | 宝鸡赫尔克电子有限公司 | Lightning protection device for power distribution cabinet and frequency conversion cabinet |
| CN102023253A (en) * | 2010-10-29 | 2011-04-20 | 北京清网华科技有限公司 | Lightning-proof monitoring warning system |
| CN201966015U (en) * | 2010-12-28 | 2011-09-07 | 大连法伏安电器有限公司 | Composite insulating distribution type lightning arrester with metal shell thermal explosion type separator |
| CN202068100U (en) * | 2011-06-01 | 2011-12-07 | 重庆泊津科技有限公司 | Mobile lightning prevention and current leakage prevention distribution cabinet |
| CN202678726U (en) * | 2012-06-29 | 2013-01-16 | 江苏正佰电气股份有限公司 | Intelligent lightning protection power distribution cabinet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105706319A (en) * | 2013-11-05 | 2016-06-22 | 松下知识产权经营株式会社 | Distribution panel cabinet and distribution panel using same |
| CN108390264A (en) * | 2018-03-02 | 2018-08-10 | 苏州华源电气有限公司 | A kind of anti-lightning strike power distribution cabinet of remote control |
| CN109755876A (en) * | 2019-03-14 | 2019-05-14 | 合肥格威特电气技术有限公司 | A kind of reinforced anticreep three phase current lightning protection case |
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Application publication date: 20121017 |