CN102789923A - Vacuum circuit breaker on outdoor intelligent dual-loop column - Google Patents

Vacuum circuit breaker on outdoor intelligent dual-loop column Download PDF

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Publication number
CN102789923A
CN102789923A CN2011101308800A CN201110130880A CN102789923A CN 102789923 A CN102789923 A CN 102789923A CN 2011101308800 A CN2011101308800 A CN 2011101308800A CN 201110130880 A CN201110130880 A CN 201110130880A CN 102789923 A CN102789923 A CN 102789923A
Authority
CN
China
Prior art keywords
vacuum
circuit breaker
vacuum circuit
pole
groups
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011101308800A
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Chinese (zh)
Inventor
陈烂明
黎福根
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hu'nan Fengri Power And Electric Co Ltd
Original Assignee
Hu'nan Fengri Power And Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hu'nan Fengri Power And Electric Co Ltd filed Critical Hu'nan Fengri Power And Electric Co Ltd
Priority to CN2011101308800A priority Critical patent/CN102789923A/en
Publication of CN102789923A publication Critical patent/CN102789923A/en
Pending legal-status Critical Current

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Abstract

The invention provides a vacuum circuit breaker on an outdoor intelligent dual-loop column. The vacuum circuit breaker comprises an inflatable shell and two operation mechanism rooms, wherein two sets of vacuum circuit breakers are sealed in the inflatable shell; the vacuum circuit breaker is mainly composed of two sets of vacuum sealing poles arranged at left and right, a group of three-phase cable conduits, two sets of operation shafts and six groups of insulated draw rods; the three-phase cable conduits are arranged forwards and backwards; the vacuum sealing poles and the cable conduits are arranged in a shape like a Chinese character 'pin'; the two sets of vacuum breaker operation mechanisms are respectively arranged at two ends of the inflatable shell through two transmission operation shafts; a sealing cover is added to the external part; and the operation mechanisms are sealed into the gas. The vacuum circuit breaker has the beneficial effects that two sets of vacuum breakers are arranged inside the inflatable shell and can be used for mutual investment of a double-power supply line and power supply of a looped network so as to save one-time investment of a user; meanwhile, main component vacuum extinction chamber of the vacuum circuit breaker is a sealed pole; volume production is facilitated; the work load in an assembly process is reduced; the product quality control is effectively improved, and the manufacturing cycle of the product is shortened.

Description

Outdoor intelligent double loop pole vacuum circuit breaker
Technical field
The present invention relates to a kind of high voltage switchgear, refer in particular to intelligent double loop, a kind of open air pole vacuum circuit breaker.
Background technology
In high voltage electrical apparatus technical field, outdoor AC high-voltage vacuum circuit-breaker (hereinafter to be referred as circuit breaker) is the outdoor electricity distribution equipment of rated voltage 12~24kV, three-phase alternating current 50Hz.Be mainly used in and cut-off, close the load current, overload current and the short circuit current that close in the electric power system.Be applicable to and do protection and control in transformer station and the industrial and mining enterprises' distribution system, more be applicable to the place of rural power grids, city overhead transmission line and frequent operation.It is the requisite terminal equipment of intelligent grid.Belong to a kind of control and protection electrical equipment.(3.6kV~24kV) the gas-filled type high voltage switchgear is the high voltage switchgear of new generation that last century, the nineties was risen to middle the pressure; With its compact conformation, long-life, non-maintaining, volume is little; Antipollution obtains users' approval very soon, and application surface is more and more wider.Along with improving constantly and special user's requirement of user's power supply quality, dual power supply and ring network power supply large tracts of land are promoted, and supply power mode before is to be accomplished by 2 circuit breakers or 2 switch cubicles.The circuit breaker of 2 platform independent or switch cubicle want out of doors particularly to realize that compulsory mechanical latching is to be difficult to realize that equipment investment is also corresponding higher.External at present existing producer releases two circuit outdoor pole vacuum on-load switch; Owing to can only cut-off the normal duty electric current; And can not cut-off short circuit current, and application surface is narrow, and relatively backward, the assembling of modularization and integrated design in addition, all trouble, quality are difficult to control in debugging.Fail to consider the requirement of intelligent electrical apparatus during simultaneously owing to design, be difficult to adapt to the growth requirement of following intelligent electrical network.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective; Provide a kind of double loop a shared inflation housing; Have mandatory mechanical latching, can subsequent use each other or mutual throwing, and meet the novel outdoor double loop pole vacuum circuit breaker that satisfies existing electric power system requirement and intelligent demand.
The objective of the invention is to realize like this: outdoor intelligent double loop pole vacuum circuit breaker; It comprises the inflation housing, and 2 sleeve spring operating mechanisms, one group of threephase cable conduit, 1 cover integral type insulating support, 2 groups of 6 conductions are flexible coupling, 2 groups of 6 vacuum poles, 3 groups of 9 current transformers, 2 operating axis, 2 groups of 6 insulated tension poles, 2 cover mechanism seal covers, 2 cover secondary distributions are with aviation socket, 3 groups of 9 radio temperature sensor critical pieces compositions.
Be sealed with vacuum interrupter and electric conductor in said 6 vacuum poles; The quiet end of vacuum interrupter is electrically connected the end of incoming cables of circuit through electric conductor, the moved end be flexible coupling through conduction link to each other with the cable duct tube electric conductor, the cable guide pin bushing another be electrically connected the leading-out terminal of circuit; Insulated tension pole and the breaker operation mechanism interlock of said pole vacuum interrupter moved end through being provided with.
The support that described insulating support is an all-in-one-piece structure, can be used as cable duct tube and vacuum pole with, can be used as the fixedly usefulness of circuit breaker drive disk assembly again.
9 radio temperature sensors are equipped with in circuit breaker inside, can realize the on-line temperature monitoring of circuit breaker inner conductive part, cooperate the intellectuality that can be completely achieved circuit breaker with the intelligent power distribution terminal.
Beneficial effect of the present invention is that an inflation is equipped with two cover vacuum circuit-breakers in the housing, can cut-off and closes the short circuit current that closes power circuit, and the while critical piece vacuum interrupter of vacuum circuit-breaker is a pole type; Be beneficial to batch process; Reduce the workload in the assembling process, improved control of product quality effectively, shortened the production manufacturing cycle; Also can effectively improve the interchangeability and the reliability of its parts, the world of having filled up this type product is blank.Can be used as the duplicate supply circuit and throw mutually and ring network power supply usefulness, saved user's one-time investment.
Description of drawings
Below in conjunction with detailed description of the drawings concrete structure of the present invention:
Fig. 1 is a side sectional view of the present invention;
Fig. 2 is an appearance structure sketch map of the present invention;
Fig. 3 is a sectional top plan view of the present invention.
In the accompanying drawing, 1-inflation housing, 2-vacuum pole, 3-insulating support, 4-conduction is flexible coupling, 5-cable duct tube, 6-current transformer, 7-operating axis, 8-insulated tension pole, 9-mechanism seal cover, 10-secondary distribution be with aviation socket, 11-spring operating mechanism.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the invention is set forth in detail.
Like Fig. 1, Fig. 2, shown in Figure 3; The present invention relates to intelligent double loop, a kind of novel open air pole vacuum circuit breaker; 3,6 conductions of insulating support that it comprises inflation housing 1, two group of 6 vacuum pole 2, a cover monolithic construction are flexible coupling 4,3 cable duct tubes 5, three groups of 7,6 groups of insulated tension poles of 6,2 operating axis of 9 current transformers, 8,2 cover mechanism seal covers, 9,2 cover secondary distributions with 10,2 spring operating mechanisms of aviation socket, 11 compositions.
Referring to Fig. 1; In inflation housing 1,1 group of threephase cable conduit 5 is set; Be installed on the leading-out terminal of the bottom of housing as circuit breaker; Also be sealed with 2 groups of three-phase vacuum poles in it side by side, the cable duct tube current-carrying part is flexible coupling through 6 conductions and 4 links to each other with the moved end of 6 vacuum interrupters respectively, and insulating support 3 is main is responsible for carrying cable conduits and vacuum pole, responsible fixedly breaker operator driving member simultaneously.Because the application of vacuum pole and prefabricated insulating support makes the mounted inside of circuit breaker become very simple, most part can be installed in that circuit breaker is outside, when product quality and debugging obtain simultaneously effective control.When the reliability of circuit breaker obtains further raising.Simultaneously 2 vacuum circuit-breakers can be installed.The branch of vacuum circuit-breaker, combined floodgate drive operating axis 7 by operating mechanism 11 and rotate, thereby the same drive insulated tension pole that operating axis rotates 8 motions have realized branch, the combined floodgate of circuit breaker, and operating mechanism can electronic and manual operation.The end of incoming cables current transformer provides the routine operation power supply through converting circuit breaker into, and the leading-out terminal current transformer is that protection and metering provide current source.The circuit breaker inner conductive partly adds radio temperature sensor, but on-line monitoring circuit breaker inner conductive temperature rise situation cooperates the intellectuality that can be completely achieved circuit breaker with the intelligent power distribution terminal.Communication can be realized with host computer easily in the intelligent power distribution terminal, uploads various data and realizes " four is distant ".It is the ideal product of intelligent grid.
It is pointed out that to the invention is not restricted to above-mentioned execution mode, any simple modification, equivalent variations and modification that any professional and technical personnel of being familiar with does the foregoing description in based on technical scheme of the present invention all belong in protection scope of the present invention. ?

Claims (3)

1. intelligent double loop, open air pole vacuum circuit breaker; It is characterized in that: it comprises the inflation housing, and 2 sleeve spring operating mechanisms, one group of threephase cable conduit, 1 cover integral type insulating support, 2 groups of 6 conductions are flexible coupling, 2 groups of 6 vacuum poles, 3 groups of 9 current transformers, 2 operating axis, 2 groups of 6 insulated tension poles, 2 cover mechanism seal covers, 2 cover secondary distributions are with aviation socket, 3 groups of 9 radio temperature sensor critical pieces compositions.
2. intelligent double loop, open air as claimed in claim 1 pole vacuum circuit breaker; It is characterized in that: be sealed with vacuum interrupter and electric conductor in said 6 vacuum poles; The quiet end of vacuum interrupter is electrically connected the end of incoming cables of circuit through electric conductor, the moved end be flexible coupling through conduction link to each other with the cable duct tube electric conductor, the cable guide pin bushing another be electrically connected the leading-out terminal of circuit; Insulated tension pole and the breaker operation mechanism interlock of said pole vacuum interrupter moved end through being provided with.
3. intelligent double loop, open air as claimed in claim 2 pole vacuum circuit breaker is characterized in that: the support that described insulating support is an all-in-one-piece structure, can be used as cable duct tube and vacuum pole with, can be used as the fixedly usefulness of circuit breaker drive disk assembly again.
CN2011101308800A 2011-05-20 2011-05-20 Vacuum circuit breaker on outdoor intelligent dual-loop column Pending CN102789923A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011101308800A CN102789923A (en) 2011-05-20 2011-05-20 Vacuum circuit breaker on outdoor intelligent dual-loop column

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011101308800A CN102789923A (en) 2011-05-20 2011-05-20 Vacuum circuit breaker on outdoor intelligent dual-loop column

Publications (1)

Publication Number Publication Date
CN102789923A true CN102789923A (en) 2012-11-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011101308800A Pending CN102789923A (en) 2011-05-20 2011-05-20 Vacuum circuit breaker on outdoor intelligent dual-loop column

Country Status (1)

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CN (1) CN102789923A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109411253A (en) * 2018-11-02 2019-03-01 国网山东省电力公司平度市供电公司 A kind of the switching control device and working method of double-bus power supply line

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643047A (en) * 1970-12-10 1972-02-15 Gen Electric Series double break rod array vacuum switch
CN101393817A (en) * 2008-06-26 2009-03-25 黄勤飞 Chamber type intelligent duplicate power supply converting switch
US20090173719A1 (en) * 2008-01-07 2009-07-09 Masato Kobayashi Vacuum switchgear
CN101515520A (en) * 2009-03-23 2009-08-26 上海南华兰陵电气有限公司 Intelligent self-diagnosis medium-pressure vacuum circuit breaker
CN101800136A (en) * 2010-03-22 2010-08-11 郑逸扬 Non-time difference double-power supply breaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643047A (en) * 1970-12-10 1972-02-15 Gen Electric Series double break rod array vacuum switch
US20090173719A1 (en) * 2008-01-07 2009-07-09 Masato Kobayashi Vacuum switchgear
CN101393817A (en) * 2008-06-26 2009-03-25 黄勤飞 Chamber type intelligent duplicate power supply converting switch
CN101515520A (en) * 2009-03-23 2009-08-26 上海南华兰陵电气有限公司 Intelligent self-diagnosis medium-pressure vacuum circuit breaker
CN101800136A (en) * 2010-03-22 2010-08-11 郑逸扬 Non-time difference double-power supply breaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109411253A (en) * 2018-11-02 2019-03-01 国网山东省电力公司平度市供电公司 A kind of the switching control device and working method of double-bus power supply line
CN109411253B (en) * 2018-11-02 2019-11-19 国网山东省电力公司平度市供电公司 A kind of the switching control device and working method of double-bus power supply line

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Application publication date: 20121121