CN103050327B - Vacuum circuit-breaker and middle pressure gas-filling cabinet - Google Patents
Vacuum circuit-breaker and middle pressure gas-filling cabinet Download PDFInfo
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- CN103050327B CN103050327B CN201210589369.1A CN201210589369A CN103050327B CN 103050327 B CN103050327 B CN 103050327B CN 201210589369 A CN201210589369 A CN 201210589369A CN 103050327 B CN103050327 B CN 103050327B
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Abstract
The invention discloses a kind of vacuum circuit-breaker and middle pressure gas-filling cabinet, vacuum circuit-breaker comprises support, operating mechanism, insulating cylinder, arc control device and insulated tension pole, insulating cylinder is provided with through cavity, one end of cavity is provided with end cap, the dismountable one end being fixed on insulating cylinder of end cap, arc control device and insulated tension pole are arranged in cavity; Vacuum circuit-breaker also comprises integrated guide electric installation, integrated guide electric installation comprises conductive clip and is flexible coupling, conductive clip offers installing hole, be flexible coupling and be fixed on conductive clip, the sidewall of installing hole is provided with opening and groove, the side that conductive clip is positioned at opening is provided with through hole, and the opposite side that conductive clip is positioned at opening is provided with screwed hole, and through hole and screwed hole are coaxially arranged; Second goes out wiring connector with being flexible coupling is connected, and moving contact is inserted in installing hole, and screw is connected in screwed hole through through hole whorl, and moving contact is clamped in installing hole.Realize the reliability improving vacuum circuit-breaker, and facilitate workman to overhaul vacuum circuit-breaker.
Description
Technical field
The present invention relates to electrical equipment, particularly relate to a kind of vacuum circuit-breaker and middle pressure gas-filling cabinet.
Background technology
Vacuum circuit-breaker is as the core component on middle pressure gas-filling cabinet, and the quality of its performance directly determines the quality of whole switchgear performance, and therefore the debugging efforts of vacuum circuit-breaker performance is the major tasks of middle pressure gas-filling cabinet always, is also difficult task simultaneously.Vacuum circuit-breaker comprises the parts compositions such as operating mechanism, insulating cylinder and arc control device, arc control device are arranged in insulating cylinder, wiring connector and insulated tension pole is also provided with out in insulating cylinder, go out wiring connector to be connected with the moving contact of arc control device by being flexible coupling, and the moving contact of arc control device and insulated tension pole link together, insulated tension pole is used for the linkage of attended operation mechanism, and is flexible coupling and moving contact is linked together by conductive clip.Conductive clip connects the stability that fastening stability directly determines circuit breaker, once loosening appears in conductive clip will bring great harm to vacuum circuit-breaker stable operation.At present, on market, the conductive clip of producer's design of absolutely large number all offers installing hole in centre, and installing hole side band is fluted, by bolt being flexible coupling, the moving contact of arc control device and go out wiring connector three and be fixed together.This kind of as easy as rolling off a log impact by conductive clip inner circle hole machined precision of fixed form, causes the situation of bolt looseness, thus causes the generation of electric power accident, and, because middle pressure gas-filling cabinet volume is little, and the insulation of switchgear realizes by gas-insulated, the sealed air chamber that vacuum circuit breaker operating mechanism must be placed on middle pressure gas-filling cabinet is outside, and insulating cylinder is positioned at sealed air chamber inside, therefore only have after circuit breaker has been debugged and could be sealed in air chamber, by insulating cylinder and the operating mechanism structural limitations thereof of vacuum circuit-breaker, once occur that conductive clip occurs that loosening or arc control device damage and needs to change, whole vacuum circuit-breaker must be removed from sealed air chamber inside, easily sealed air chamber is damaged, and the whole vacuum circuit-breaker of dismounting is wasted time and energy.As from the foregoing, vacuum circuit-breaker reliability of the prior art is lower, and not easily debugs and overhaul.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of vacuum circuit-breaker and middle pressure gas-filling cabinet, solve vacuum circuit-breaker reliability of the prior art lower, and the defect of not easily debugging and overhauling, realizes the reliability improving vacuum circuit-breaker, and facilitates workman to overhaul vacuum circuit-breaker.
Technical scheme provided by the invention is, a kind of vacuum circuit-breaker, comprise support, operating mechanism, insulating cylinder, arc control device and insulated tension pole, described operating mechanism and described insulating cylinder are separately fixed at the both sides of support, one end of described insulated tension pole is connected with the moving contact of described arc control device, the other end of described insulated tension pole connects the linkage of described operating mechanism, described insulating cylinder is provided with first to go out wiring connector and second and go out wiring connector, described first goes out wiring connector is connected with the fixed contact of described arc control device, described insulating cylinder is provided with through cavity, one end of described cavity is provided with end cap, the dismountable one end being fixed on described insulating cylinder of described end cap, described arc control device and described insulated tension pole are arranged in described cavity, described vacuum circuit-breaker also comprises integrated guide electric installation, described integrated guide electric installation comprises conductive clip and is flexible coupling, described conductive clip offers installing hole, described be flexible coupling be fixed on described conductive clip, the sidewall of described installing hole is provided with opening and groove, the side that described conductive clip is positioned at described opening is provided with through hole, and the opposite side that described conductive clip is positioned at described opening is provided with screwed hole, and described through hole and described screwed hole are coaxially arranged, described second go out wiring connector with described be flexible coupling be connected, described moving contact is inserted in described installing hole, and screw is connected in described screwed hole through described through hole whorl, and described moving contact is clamped in described installing hole.
Vacuum circuit-breaker as above, described opening and described groove are oppositely arranged.
Vacuum circuit-breaker as above, described in be flexible coupling and be welded on described conductive clip.
Vacuum circuit-breaker as above, described moving contact is bullet, and described installing hole is bellmouth.
Vacuum circuit-breaker as above, described end cap offers the first rack mounting apertures, described first goes out wiring connector is arranged in described first rack mounting apertures, and the sidewall of described insulating cylinder is provided with the second rack mounting apertures, and described second goes out wiring connector is arranged in described second rack mounting apertures.
Vacuum circuit-breaker as above, the sidewall of described insulating cylinder is also provided with stroke test hole, and described stroke test hole is positioned at the side of described insulated tension pole.
Vacuum circuit-breaker as above, the sidewall of described insulating cylinder is also provided with full skirt.
Vacuum circuit-breaker as above, the both sides of described support are provided with dynamic seal, and described insulated tension pole is connected with described linkage through described dynamic seal.
Vacuum circuit-breaker as above, the linkage of described insulated tension pole and described operating mechanism is linked together by connecting rod.
Gas-filling cabinet is pressed in one, comprise cabinet, in described cabinet, be provided with sealed air chamber, also comprise vacuum circuit-breaker as above, the insulating cylinder of described vacuum circuit-breaker is positioned at described sealed air chamber inside, and the operating mechanism of described vacuum circuit-breaker is positioned at described sealed air chamber outside.
Compared with prior art, advantage of the present invention and good effect are: vacuum circuit-breaker provided by the invention and middle pressure gas-filling cabinet, by the sidewall of the installing hole at conductive clip, opening and groove are set respectively, be inserted into after in installing hole at the moving contact of arc control device, screw is tightened in screwed hole through through hole, in the process of tightening screw, by narrowing, suitable also narrows opening on installing hole sidewall by groove, thus the solid and reliable of the moving contact of arc control device is fixed in installing hole, avoid the phenomenon occurring moving contact and conductive clip loose contact because installing hole machining accuracy is not high, improve the reliability of vacuum circuit-breaker, and, be flexible coupling and be directly fixed on conductive clip, effectively can simplify the installation process of integrated guide electric installation, coordinate without the need to adopting bolts and nuts will be flexible coupling, conductive clip and moving contact link together, decrease the inner space taking vacuum circuit-breaker, more convenient assembling vacuum circuit-breaker.In addition, by insulating cylinder is provided with through cavity, and one end of insulating cylinder is sealed by detachable end, vacuum circuit-breaker insulating cylinder be assembled on vacuum circuit-breaker use after, when the arc control device occurred in insulating cylinder or miscellaneous part are damaged, can carry out easily keeping in repair and changing by opening port, thus without the need to insulating cylinder is removed from sealed air chamber inside, avoid damaging sealed air chamber, realize conveniently overhauling vacuum circuit-breaker.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of vacuum circuit-breaker embodiment of the present invention;
Fig. 2 is the structural representation of insulating cylinder in vacuum circuit-breaker embodiment of the present invention;
Fig. 3 is the structural representation of integrated guide electric installation in vacuum circuit-breaker embodiment of the present invention;
Fig. 4 is the structural representation of conductive clip in vacuum circuit-breaker embodiment of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As Figure 1-Figure 4, the present embodiment vacuum circuit-breaker, comprise support 1, operating mechanism 2, insulating cylinder 3, arc control device 4 and insulated tension pole 5, operating mechanism 2 and insulating cylinder 3 are separately fixed at the both sides of support 1, one end of insulated tension pole 5 is connected with the moving contact 41 of arc control device 4, the linkage 21 of the other end attended operation mechanism 2 of insulated tension pole 5, insulating cylinder 3 is provided with first to go out wiring connector 33 and second and go out wiring connector 34, first goes out wiring connector 33 is connected with the fixed contact 42 of arc control device 4, insulating cylinder 3 is provided with through cavity 31, one end of cavity 31 is provided with end cap 32, the dismountable one end being fixed on insulating cylinder 3 of end cap 32, arc control device 4 and insulated tension pole 5 are arranged in cavity 31, the present embodiment vacuum circuit-breaker also comprises integrated guide electric installation 6, integrated guide electric installation 6 comprises conductive clip 61 and is flexible coupling 62, conductive clip 61 offers installing hole 611, be flexible coupling and 62 be fixed on conductive clip 61, the sidewall of installing hole 611 is provided with opening 612 and groove 613, the side that conductive clip 61 is positioned at opening 612 is provided with through hole 614, and the opposite side that conductive clip 61 is positioned at opening 612 is provided with screwed hole 615, and through hole 614 and screwed hole 615 are coaxially arranged, second goes out wiring connector 34 with being flexible coupling 62 is connected, and moving contact 41 is inserted in installing hole 611, and screw is threaded in screwed hole 615 through through hole 614, and moving contact 41 is clamped in installing hole 611.
Specifically, be connected reliably with conductive clip 61 in order to ensure moving contact 41, in the present embodiment be flexible coupling 62 and conductive clip 61 be fixed together, assemble the present embodiment vacuum circuit-breaker time, only need conductive clip 61 to be connected with the moving contact 41 of arc control device in vacuum circuit-breaker 4.Moving contact 41 is inserted into after in installing hole 611, screw is tightened in screwed hole 615 through through hole 614, in screw-driving process, the aperture of opening 612 will diminish, the groove width of groove 613 also will diminish simultaneously, thus make moving contact be mounted the solid and reliable clamping in hole 611, make direction, the border uniform stressed of moving contact 41, guarantee that moving contact 41 can be connected reliably with conductive clip 61, the requirement of the installing hole 611 pairs of accurates to dimension on conductive clip 61 is lower, moving contact 41 will be caused to detach from installing hole 611 because installing hole 611 machining accuracy does not reach requirement.In addition, be flexible coupling and 62 be directly fixed on conductive clip 61, in the present embodiment vacuum circuit-breaker assembling process, conductive clip 61 and moving contact 41 is only needed to be connected and fixed, thus effectively simplify the process of carrying out assembling in the narrow space of insulating cylinder, facilitate workman to assemble the present embodiment vacuum circuit-breaker efficiently.Preferably, being flexible coupling 62 is welded on conductive clip 61, and to guarantee 62 connections firm with conductive clip 61 that are flexible coupling, also avoiding adopting screw to connect simultaneously and occur being flexible coupling 62 occurs loosening phenomenon with conductive clip 61.Keep in repair the present embodiment vacuum circuit-breaker for the ease of workman, the insulating cylinder 3 in the present embodiment is provided with completely through cavity 31, and this cavity 31 is for installing the parts such as arc control device 4 and insulated tension pole 5.Wherein, an end of insulating cylinder 3 is provided with end cap 32 to seal up an end of cavity 31, and the other end of insulating cylinder 3 is fixed on support 1.In the present embodiment vacuum circuit-breaker assembling process, first insulating cylinder 3 is fixed on support 1, then, the parts such as arc control device 4 and insulated tension pole 5 are encased in cavity 31 from the port outside insulating cylinder 3, finally end cap 32 are fixed on the outside port of insulating cylinder 3.When the parts in insulating cylinder 3 be damaged need repairing change time, because cavity 31 is completely through, only need end cap 32 under insulating cylinder 3 dismounting, just the associated components in cavity 31 can be taken out from cavity 31, just can associated components in maintain and replace insulating cylinder 3, thus pull down without the need to insulating cylinder 3 entirety is therefrom pressed in the sealed air chamber of gas-filling cabinet, can avoid on the one hand damaging sealed air chamber, the device of maintain and replace insulating cylinder 3 inside that workman can be more convenient on the other hand, reduce the labour intensity that maintenance difficulty reduces workman simultaneously, realize convenient maintenance the present embodiment vacuum circuit-breaker.
Wherein, moving contact 41 can be clamped more uniformly in order to ensure installing hole 611, opening 612 and groove 613 are oppositely arranged, guarantee in screw-driving process, two parts up and down along line between opening 612 and groove 613 in installing hole 611 synchronously can apply pressure to moving contact 41 uniformly, guarantee the border of moving contact 41 good with the contact internal walls of installing hole 611.In addition, in order to increase the contact area between conductive clip 61 and moving contact 41, installing hole 611 is bellmouth, corresponding, and moving contact 41 is bullet.
In addition, the end of insulating cylinder 3 is provided with screwed hole (not shown), and end cap 32 to be coordinated with screwed hole by screw and is fastened on insulating cylinder 3.And end cap 32 offers the first rack mounting apertures 321, the first goes out wiring connector 33 and be arranged in the first rack mounting apertures 321, and the sidewall of insulating cylinder 3 is provided with the second rack mounting apertures 311, the second goes out wiring connector 34 and be arranged in the second rack mounting apertures 311.Preferably, conveniently measure the contacting travel of the present embodiment vacuum circuit-breaker, the sidewall of insulating cylinder 3 is also provided with stroke test hole 312, stroke test hole 312 is positioned at the side of insulated tension pole 5, and staff can detect the contacting travel of arc control device 4 moving contact 41 in vacuum circuit-breaker easily by stroke test hole 312.In addition, the sidewall of insulating cylinder 3 is also provided with full skirt 313, to make insulating cylinder 3 have suitable electrical equipment gap, improves the insulation effect of insulating cylinder 3.
Further, the both sides of support 1 are provided with dynamic seal 11, and insulated tension pole 5 is connected with linkage 21 through dynamic seal 11.Concrete, press in the present embodiment vacuum circuit-breaker is assembled to after in gas-filling cabinet, insulating cylinder 3 is arranged in the sealed air chamber of pressure gas-filling cabinet, effectively can be played the effect of movable sealing to insulated tension pole 5, guarantee the air-tightness of sealed air chamber by dynamic seal 11.Preferably, conveniently dismounting the present embodiment vacuum circuit-breaker, and conveniently the linkage 21 of operating mechanism 2 is connected with insulated tension pole 5, insulated tension pole 5 is linked together by connecting rod 22 with the linkage 21 of operating mechanism 2.Concrete, by the position relationship that connecting rod 22 can be connected between regulating connecting rod mechanism 21 with insulated tension pole 5, and when assembling or dismantle the present embodiment vacuum circuit-breaker, can by dismounting connecting rod 22 easily linkage 21 and insulated tension pole 5 be dismantled or link together.
The present invention also provides in one and presses gas-filling cabinet, comprises cabinet, is provided with sealed air chamber in cabinet, also comprises vacuum circuit-breaker as above, and the insulating cylinder of vacuum circuit-breaker is positioned at sealed air chamber inside, and the operating mechanism of vacuum circuit-breaker is positioned at sealed air chamber outside.
Vacuum circuit-breaker provided by the invention and middle pressure gas-filling cabinet, by the sidewall of the installing hole at conductive clip, opening and groove are set respectively, be inserted into after in installing hole at the moving contact of arc control device, screw is tightened in screwed hole through through hole, in the process of tightening screw, by narrowing, suitable also narrows opening on installing hole sidewall by groove, thus the solid and reliable of the moving contact of arc control device is fixed in installing hole, avoid the phenomenon occurring moving contact and conductive clip loose contact because installing hole machining accuracy is not high, improve the reliability of vacuum circuit-breaker; And, be flexible coupling and be directly fixed on conductive clip, effectively can simplify the installation process of integrated guide electric installation, coordinate without the need to adopting bolts and nuts will be flexible coupling, conductive clip and moving contact link together, decrease the inner space taking vacuum circuit-breaker, more convenient assembling vacuum circuit-breaker.In addition, by insulating cylinder is provided with through cavity, and one end of insulating cylinder is sealed by detachable end, vacuum circuit-breaker insulating cylinder be assembled on vacuum circuit-breaker use after, when the arc control device occurred in insulating cylinder or miscellaneous part are damaged, can carry out easily keeping in repair and changing by opening port, thus without the need to insulating cylinder is removed from sealed air chamber inside, avoid damaging sealed air chamber, realize conveniently overhauling vacuum circuit-breaker.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a vacuum circuit-breaker, comprise support, operating mechanism, insulating cylinder, arc control device and insulated tension pole, described operating mechanism and described insulating cylinder are separately fixed at the both sides of support, one end of described insulated tension pole is connected with the moving contact of described arc control device, the other end of described insulated tension pole connects the linkage of described operating mechanism, described insulating cylinder is provided with first to go out wiring connector and second and go out wiring connector, described first goes out wiring connector is connected with the fixed contact of described arc control device, it is characterized in that, described insulating cylinder is provided with through cavity, one end of described cavity is provided with end cap, the dismountable one end being fixed on described insulating cylinder of described end cap, described arc control device and described insulated tension pole are arranged in described cavity, described vacuum circuit-breaker also comprises integrated guide electric installation, described integrated guide electric installation comprises conductive clip and is flexible coupling, described conductive clip offers installing hole, described be flexible coupling be fixed on described conductive clip, the sidewall of described installing hole is provided with opening and groove, the side that described conductive clip is positioned at described opening is provided with through hole, and the opposite side that described conductive clip is positioned at described opening is provided with screwed hole, and described through hole and described screwed hole are coaxially arranged, described second go out wiring connector with described be flexible coupling be connected, described moving contact is inserted in described installing hole, and screw is connected in described screwed hole through described through hole whorl, and described moving contact is clamped in described installing hole.
2. vacuum circuit-breaker according to claim 1, is characterized in that, described opening and described groove are oppositely arranged.
3. vacuum circuit-breaker according to claim 1, is characterized in that, described in be flexible coupling and be welded on described conductive clip.
4., according to the arbitrary described vacuum circuit-breaker of claim 1-3, it is characterized in that, described moving contact is bullet, and described installing hole is bellmouth.
5. vacuum circuit-breaker according to claim 1, it is characterized in that, described end cap offers the first rack mounting apertures, described first goes out wiring connector is arranged in described first rack mounting apertures, the sidewall of described insulating cylinder is provided with the second rack mounting apertures, and described second goes out wiring connector is arranged in described second rack mounting apertures.
6. vacuum circuit-breaker according to claim 1, is characterized in that, the sidewall of described insulating cylinder is also provided with stroke test hole, and described stroke test hole is positioned at the side of described insulated tension pole.
7. vacuum circuit-breaker according to claim 1, is characterized in that, the sidewall of described insulating cylinder is also provided with full skirt.
8. vacuum circuit-breaker according to claim 1, is characterized in that, the both sides of described support are provided with dynamic seal, and described insulated tension pole is connected with described linkage through described dynamic seal.
9. vacuum circuit-breaker according to claim 8, is characterized in that, the linkage of described insulated tension pole and described operating mechanism is linked together by connecting rod.
10. press gas-filling cabinet in one kind, comprise cabinet, sealed air chamber is provided with in described cabinet, it is characterized in that, also comprise as arbitrary in claim 1-9 as described in vacuum circuit-breaker, the insulating cylinder of described vacuum circuit-breaker is positioned at described sealed air chamber inside, and the operating mechanism of described vacuum circuit-breaker is positioned at described sealed air chamber outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210589369.1A CN103050327B (en) | 2012-12-31 | 2012-12-31 | Vacuum circuit-breaker and middle pressure gas-filling cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210589369.1A CN103050327B (en) | 2012-12-31 | 2012-12-31 | Vacuum circuit-breaker and middle pressure gas-filling cabinet |
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| CN103050327A CN103050327A (en) | 2013-04-17 |
| CN103050327B true CN103050327B (en) | 2016-01-13 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332879B (en) * | 2014-10-28 | 2018-05-01 | 施耐德开关（苏州）有限公司 | A kind of middle pressure gas-filled switching tube equipment with modularized circuit breaker |
| CN105225885B (en) * | 2015-09-28 | 2017-12-22 | 平高集团有限公司 | Pole and its soft connection component |
| CN111487510B (en) * | 2019-01-28 | 2022-11-22 | 平高集团有限公司 | Insulating pull rod characteristic testing device |
| CN114373652B (en) * | 2022-01-20 | 2022-10-11 | 广东明阳电气股份有限公司 | Insulating cylinder device for vacuum circuit breaker |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004049366A1 (en) * | 2002-11-28 | 2004-06-10 | Mitsubishi Denki Kabushiki Kaisha | Vacuum valve unit |
| CN101546671A (en) * | 2009-04-30 | 2009-09-30 | 上海德力西集团有限公司 | Vacuum arc extinguish chamber structure of indoor HVAC vacuum circuit breaker |
| CN201655652U (en) * | 2009-12-15 | 2010-11-24 | 上海磁浮交通发展有限公司 | Flexible connection structure for three-phase alternating current high-voltage vacuum contactor |
| EP2306482A1 (en) * | 2009-10-05 | 2011-04-06 | LS Industrial Systems Co., Ltd | Main circuit terminal assembly for vacuum circuit breaker |
| CN201812735U (en) * | 2010-09-16 | 2011-04-27 | 泰豪科技(深圳)电力技术有限公司 | Vacuum circuit breaker and conductive clip structure |
| CN201918306U (en) * | 2011-01-28 | 2011-08-03 | 湖北网安科技有限公司 | Immobilization post with radiating device |
| CN203055771U (en) * | 2012-12-31 | 2013-07-10 | 青岛特锐德电气股份有限公司 | Vacuum circuit breaker and medium-voltage inflation cabinet |
-
2012
- 2012-12-31 CN CN201210589369.1A patent/CN103050327B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004049366A1 (en) * | 2002-11-28 | 2004-06-10 | Mitsubishi Denki Kabushiki Kaisha | Vacuum valve unit |
| CN101546671A (en) * | 2009-04-30 | 2009-09-30 | 上海德力西集团有限公司 | Vacuum arc extinguish chamber structure of indoor HVAC vacuum circuit breaker |
| EP2306482A1 (en) * | 2009-10-05 | 2011-04-06 | LS Industrial Systems Co., Ltd | Main circuit terminal assembly for vacuum circuit breaker |
| CN201655652U (en) * | 2009-12-15 | 2010-11-24 | 上海磁浮交通发展有限公司 | Flexible connection structure for three-phase alternating current high-voltage vacuum contactor |
| CN201812735U (en) * | 2010-09-16 | 2011-04-27 | 泰豪科技(深圳)电力技术有限公司 | Vacuum circuit breaker and conductive clip structure |
| CN201918306U (en) * | 2011-01-28 | 2011-08-03 | 湖北网安科技有限公司 | Immobilization post with radiating device |
| CN203055771U (en) * | 2012-12-31 | 2013-07-10 | 青岛特锐德电气股份有限公司 | Vacuum circuit breaker and medium-voltage inflation cabinet |
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| CN103050327A (en) | 2013-04-17 |
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Effective date of registration: 20220818 Address after: 266104 Songling Road, Laoshan District, Qingdao, Shandong Province, No. 336 Patentee after: QINGDAO TGOOD ELECTRIC Co.,Ltd. Patentee after: CHUAN KAI ELECTRIC Co.,Ltd. Address before: 266104 Songling Road, Laoshan District, Qingdao, Shandong Province, No. 336 Patentee before: QINGDAO TGOOD ELECTRIC Co.,Ltd. |
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