CN102055142B - Integrated combined electrical appliance - Google Patents
Integrated combined electrical appliance Download PDFInfo
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- CN102055142B CN102055142B CN200910112753.0A CN200910112753A CN102055142B CN 102055142 B CN102055142 B CN 102055142B CN 200910112753 A CN200910112753 A CN 200910112753A CN 102055142 B CN102055142 B CN 102055142B
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- Prior art keywords
- switch
- tri
- isolating switch
- station isolating
- breaker
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- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 239000003822 epoxy resin Substances 0.000 claims description 22
- 229920000647 polyepoxide Polymers 0.000 claims description 22
- 230000009471 action Effects 0.000 claims description 15
- 230000009977 dual effect Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 abstract description 4
- 239000004593 Epoxy Substances 0.000 abstract 3
- 238000005192 partition Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 7
- 230000001588 bifunctional effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Gas-Insulated Switchgears (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a novel integrated combined electrical appliance. The novel integrated combined electrical appliance comprises a three-station disconnecting switch, a vacuum breaker or a load switch or a load switch-fuse combined electrical appliance which is matched with the three-station disconnecting switch, and an operating mechanism, wherein the three-station disconnecting switch is arranged on the upper side of the integrated combined electrical appliance and distributed in the sequence of front, middle and back; other electrical elements are embedded into epoxy embedded poles and arranged below the disconnecting switch; the epoxy embedded poles are spliced together to form a partition plate so as to separate a bus room from a switching cable room; in addition, the upper outgoing lines of the other electrical elements form the disconnecting link rotating pivots of the three-station disconnecting switch; the operating mechanism is a novel difunctional spring operating mechanism and is arranged at the front end of the integrated combined electrical appliance; a torsional spring energy storage mechanism at the upper end of the operating mechanism drives the rotating shafts of the three-station disconnecting switch to act so as to open and close; and a spring winding energy storage mechanism at the lower end of the operating mechanism drives the other electrical elements to operate. Current sensor installing rooms and line slots are reserved at the lower ends of the epoxy embedded poles, so that the novel integrated combined electrical appliance has a compact structure and is safe in use, room and fault sources are reduced, and cost is lowered.
Description
Technical field:
The present invention relates to a kind of electrical equipment, relevant with a kind of combined electrical apparatus, especially relevant with the New Combined Switchgear of the vacuum circuit-breaker (on-load switch, switch-fuse combination) of the tri-station isolating switch of innovation and innovation having been carried out to integrated design.
Background technology:
One group of switch cubicle is to be arranged in a combination by different designs, and the major electrical equipment element that different designs adopts is also different.Conventionally incoming line cabinet, contact cabinet are used isolating switch+circuit breaker+earthed switch, isolating switch+combined electrical apparatus for feeder cabinet+earthed switch, and outgoing line cabinet is isolating switch+on-load switch for feeder cabinet.At present conventional switch cubicle has two kinds: the withdraw-type middle-placed switch cabinet that arrange a kind of A of being, B, C left, center, right, be a kind ofly after A, B, C, in, the box stationary cabinet of front arrangement.The external form of withdraw-type is larger, and fixed external form is less.Withdraw-type is often joined vacuum circuit-breaker, the fixed on-load switch (combined electrical apparatus) of often joining.Withdraw-type locking device is more, operation sequence is more complicated, connects main bus bar and need turn 90 ° of displacements.The fixed on-load switch of often joining, switch-fuse combination, locking device is simpler, and two kinds of cabinet types connect, and generally will add excessive cabinet.Transition cabinet turn 90 degrees the busbar of A, B, C left, center, right, become after A, B, C, in, front arrangement, two kinds of cabinets can connect.Also can design the stationary cabinet of joining circuit breaker, the safety for overhaul of line breaker is safeguarded, will install isolating switch additional between bus and circuit breaker, and requires to have obvious fracture.In the situation that the bus-bar room of box stationary cabinet and switching cable chamber separate, cut cable will install earthed switch additional, and guarantee cabinet door is opened rear repair and maintenance personnel's safety.The upper isolating switch of this cabinet type, oversize with the mechanical chain pull bar of cut cable ground connection switch, traditional isolating switch, vacuum circuit-breaker (on-load switch, switch-fuse combination) earthed switch is all again independently, chain is the most thorny difficult problem of this stationary cabinet design, also be to cause anti-error chain ging wrong, one of reason that after-sale service is more.
Summary of the invention:
The object of the invention is to overcome the shortcoming of technique scheme, provides a kind of simple in structure, combination, easy to use, reduce space, compact conformation, reduces the source of trouble, prevent misoperation, and can realize without feeder cable end earthed switch, the Novel integrated combined electrical appliance of feeder cable ground connection.
For reaching above-mentioned purpose, the present invention adopts following technical scheme:
Integrated combination electrical equipment, comprise tri-station isolating switch, the vacuum circuit-breaker supporting with it or on-load switch or switch-fuse combination and operating mechanism, described tri-station isolating switch switch is arranged on the top of integrated combination electrical equipment, by front, in, after arrange, vacuum interrupter sealing is in epoxy resin seal pole, be arranged on the below of isolating switch, and described epoxy resin seal pole is stitched together and forms dividing plate and separate bus-bar room and switching cable chamber, separately, on vacuum interrupter in epoxy resin pole, outlet forms the disconnecting link rotating fulcrum of tri-station isolating switch, described operating mechanism is New-type bifunctional spring operating mechanism, be arranged on the front end of integrated combination electrical equipment, its upper end torque spring energy store mechanism drives tri-station isolating switch rotating shaft action to realize folding, lower end wind spring stored energy mechanism drives dividing of other electric elements vacuum interrupter, close, thread off and operate.
The mechanical chain mechanism of described New-type bifunctional spring operating mechanism comprises: the fixed head on cabinet door drives the chain roller of tri-station isolating switch, and then drives tri-station isolating switch baffle plate; Separately, breaker open operation mechanism action drives bearing pin, and then drives the action of tri-station isolating switch baffle plate; Again, the block arranging on tri-station isolating switch transshipment acitivity presses junction panel action, and then controls breaker switching-on mechanism action.
The reserved current sensor installing space in described epoxy resin seal pole lower end and Wiring trough.
Adopt technique scheme, tool of the present invention has the following advantages:
1, between tri-station isolating switch--vacuum circuit-breaker (on-load switch, combined electrical apparatus), the copper bar that does not connect two kinds of electric elements, the substitute is the upper outlet of vacuum circuit-breaker (vacuum load switch, vacuum combined electrical equipment) arc control device, the disconnecting link rotating fulcrum of tri-station isolating switch, minimizing by a relatively large margin the space of combined electrical apparatus in switch cubicle.
2, the present invention, by three kinds of dissimilar electric elements of vacuum circuit-breaker (on-load switch, combined electrical apparatus), has carried out standardization and General design.As long as change epoxy resin seal pole and minority parts, just can be assembled into, three kinds of electric elements of vacuum circuit-breaker (on-load switch, combined electrical apparatus), the installation dimension of three kinds of electric elements is all the same with overall dimension, and user uses easily.
3, integrated combination electrical equipment is added the function of two kinds of switch elements of innovation, has reached the function that equals 3 kinds of traditional switch elements; Integrated combination electrical equipment is integrated tri-station isolating switch and circuit breaker (vacuum load switch, vacuum combined electrical equipment), and structurally tri-station isolating switch has obvious fracture, and has bus-bar room and cable vault's dividing plate of switch cubicle simultaneously.Guaranteeing under the prerequisite of " five is anti-" chain reliability, new dual function spring operating mechanism, new mechanical chain part operation program are: after breaker open operation---can operate tri-station isolating switch to isolated location, tri-station isolating switch is in isolated location, circuit breaker can not operate, and---can operate tri-station isolating switch to earthing position---closes circuit breaker, realized cut cable ground connection again.From function, realized, without the cut cable ground connection of cut cable ground connection switch, save cut cable ground connection switch, saved the cable space of switch cubicle, reduced the source of trouble, also reduced cost simultaneously.
4, adopt dual function spring operating mechanism, the design of mechanism is made to measure according to integrated combination electric device, the upper end of side dress integrated combination electrical equipment is tri-station isolating switch, lower end is the epoxy resin seal pole of vacuum circuit-breaker (on-load switch, combined electrical apparatus), and front end is dual function spring mechanism.Body function 1: the torque spring energy store of mechanism upper end, rotate splined shaft, realize tri-station isolating switch deciliter, irrelevant with operator's operating physical force size, speed.Body function 2: the wind spring energy storage of mechanism lower end, realizes the dividing of vacuum circuit-breaker (on-load switch, combined electrical apparatus), closes, the operation such as dropout.
5, novel mechanical interlocking gear, dual function spring operating mechanism is tri-station isolating switch--between vacuum circuit-breaker (on-load switch, combined electrical apparatus), realizes compact mechanical chain and created condition.When tri-station isolating switch is during at closing position, vacuum circuit-breaker (on-load switch, combined electrical apparatus) can operate.During vacuum circuit-breaker (on-load switch, combined electrical apparatus) closing position, tri-station isolating switch handle hole is obstructed and cannot operates.Tri-station isolating switch is when isolated location, and vacuum circuit-breaker (on-load switch, combined electrical apparatus) cannot operate.Tri-station isolating switch is when earthing position, and vacuum circuit-breaker (on-load switch, combined electrical apparatus) can operate, both: vacuum circuit-breaker (on-load switch, combined electrical apparatus) closes a floodgate, and has realized cut cable ground connection.User has saved the earthed switch of cut cable, realizes equally cut cable ground connection function.The source of trouble has been reduced in the earthed switch of not only saving cut cable shared space in cabinet simultaneously.During due to vacuum circuit-breaker (on-load switch, combined electrical apparatus) closing position, tri-station isolating switch cannot operate.So separately vacuum circuit-breaker (on-load switch, combined electrical apparatus), could operate tri-station isolating switch to isolated location.Tri-station isolating switch is at earthing position, during vacuum circuit-breaker (on-load switch, combined electrical apparatus) closing position, the horizontal movement latch that the upper end of mechanism case is provided with shrinks in case, door can be opened, the handle hole that door is opened rear tri-station isolating switch is obstructed, and tri-station isolating switch cannot operate.Novel mechanical interlocking gear, has guaranteed programming manipulation and " five is anti-" easy reliable realization of function.Novel mechanical chain has been realized.Realized without feeder cable end earthed switch, feeder cable end ground connection simultaneously.
6, integrated combination electrical equipment is applicable to, after A, B, C in before the box stationary cabinet arranged.This kind of switch cubicle generally has bus-bar room, switching cable chamber, low pressure relaying protection chamber, three intervals that isolate completely.The epoxy resin seal pole of integrated combination electrical equipment, three-phase epoxy resin seal pole forms dividing plate after installing, and nature is separated bus-bar room and switching cable chamber, and user does not need to install additional dividing plate, and user uses easily.
7, the reserved current sensor installing space in described epoxy resin seal pole lower end and Wiring trough, current sensor can be arranged on very easily, the epoxy resin seal pole lower end of having reserved mounting nuts, the secondary line of current sensor can be walked in the reserved Wiring trough of epoxy resin seal pole.For can selecting current sensor, user provides convenience.
8, the present invention can provide non-maintaining protective device, by the current sensor that can power, provides protective device small voltage signal and power supply, and normal operation does not need additional power source.
The present invention is the integrated of multiple new and high technology: user is as long as select integrated combination electrical equipment, the function that just can realize isolating switch, circuit breaker end of incoming cables and cut cable ground connection, vacuum circuit-breaker (on-load switch, combined electrical apparatus), can also select can operated type current sensor.The epoxy resin seal pole of integrated combination electrical equipment; reserved current sensor mounting nuts inserts and Wiring trough, can operated type current sensor, provide accurately to New Microcomputer Line Protection Device; with the small voltage signal of the proportional wide range of primary current for measuring and protection; the power supply of protective device can also be provided, be provided with test simultaneously and check and accept loop, before energising, check debugging; only need with general equipment; connect test and check and accept loop, can operate, facilitated equipment acceptance inspection.Selected integrated combination electrical equipment to have current transformer unshakable in one's determination without the larger traditional electrical magnetic-type of volume.
Integrated combination electrical equipment series of the present invention comprises: integrated tri-station isolating switch+vacuum circuit-breaker, integrated tri-station isolating switch+on-load switch, integrated tri-station isolating switch+switch-fuse combination.Novel integrated combination electrical equipment is added two kinds of switch elements of innovation, has reached and has equaled the function that 3 kinds of traditional switch elements just can possess.Novel integrated combination electrical equipment has carried out seriation, standardized designs simultaneously, novel integrated combination electrical equipment series, there are unified installation dimension, unified external form, unified fixed form, for breaker cabinet type and on-load switch, the combination of the arbitrary arrangement of switch-fuse combination cabinet type provides convenience.
Accompanying drawing explanation:
Below with accompanying drawing to the detailed description of the invention:
Fig. 1 is the perspective view of the embodiment of the present invention one;
Fig. 2 is the write perspective view of type embodiment bis-of this practicality;
Fig. 3 is the perspective view of the embodiment of the present invention three;
Fig. 4 is the planar structure schematic diagram of the embodiment of the present invention one;
Fig. 5 is the planar structure schematic diagram of the embodiment of the present invention two;
Fig. 6 is the planar structure schematic diagram of the embodiment of the present invention three;
Fig. 7 is Fig. 4 cross-sectional view;
Fig. 8 is the embodiment of the present invention three cross-sectional view;
Tu9Wei dual function spring mechanism and interlocking gear structural representation.
Embodiment:
Below in conjunction with drawings and Examples to the present invention and detailed Description Of The Invention:
Embodiments of the present invention as shown in Fig. 1-Fig. 9, integrated combination electrical equipment, comprise tri-station isolating switch 1, the vacuum circuit-breaker 2 supporting with it, on-load switch 3, on-load switch adds the combined electrical apparatus 4 of fuse, operating mechanism 5, described tri-station isolating switch switch is arranged on the top of integrated combination electrical equipment, by front 11, in 12, rear 13 arrange, vacuum circuit-breaker 2, on-load switch 3, switch-fuse combination 4 sealings are in epoxy resin seal pole 6, be arranged on the below of isolating switch 1, and described epoxy resin seal pole 6 is stitched together and forms dividing plate and separate bus-bar room and switching cable chamber, separately, vacuum circuit-breaker 2, on-load switch 3, the upper outlet 7 of switch-fuse combination 4 forms the disconnecting link rotating fulcrum 14 of tri-station isolating switch, described operating mechanism 5 is New-type bifunctional spring operating mechanism, be arranged on the front end of integrated combination electrical equipment, its upper end torque spring energy store mechanism 51 drives tri-station isolating switch rotating shaft action to realize folding, lower end wind spring stored energy mechanism 52 drives dividing of other electric elements, close, thread off and operate.
The mechanical chain mechanism of described New-type bifunctional spring operating mechanism comprises: the fixed head on cabinet door drives the chain roller 15 of tri-station isolating switch, and then drives tri-station isolating switch baffle plate 16; Separately, breaker open operation mechanism action drives bearing pin 17, and then drives 16 actions of tri-station isolating switch baffle plate; Again, the block 18 arranging on tri-station isolating switch transshipment acitivity presses junction panel 19 actions, and then controls breaker switching-on mechanism action.
Current sensor installing space and Wiring trough also can be reserved in described epoxy resin seal pole lower end in actual use.
The present invention is fixed side dress vacuum circuit-breaker (vacuum load switch, vacuum combined electrical equipment) and tri-station isolating switch integrated combination electrical equipment.With traditional vacuum circuit-breaker (vacuum load switch, vacuum load switch-fuse combined electrical equipment) and tri-station isolating switch element ratio independently separately, between the two, need not connect copper bar.The upper outlet of vacuum circuit-breaker (vacuum load switch, vacuum combined electrical equipment) arc control device, it is the disconnecting link rotating fulcrum of tri-station isolating switch, minimizing by a relatively large margin the space of combined electrical apparatus in switch cubicle, user can be by same cabinet type, vacuum circuit-breaker (on-load switch, combined electrical apparatus) is installed, dissimilar major electrical equipment element, meets the requirement of different schemes.The epoxy resin seal pole of vacuum circuit-breaker (vacuum load switch, vacuum combined electrical equipment) has also been reserved installing space and the Wiring trough of current sensor, for user provides more choices.
Integrated combination electrical equipment is added the function of two kinds of switch elements of innovation, has reached the function that equals 3 kinds of traditional switch elements; Integrated combination electrical equipment is integrated tri-station isolating switch and circuit breaker, and structurally tri-station isolating switch has obvious fracture, and has bus-bar room and cable vault's dividing plate of switch cubicle simultaneously.Guaranteeing under the prerequisite of " five is anti-" chain reliability, new dual function spring operating mechanism, new mechanical chain part operation program are: after breaker open operation---can operate tri-station isolating switch to isolated location, tri-station isolating switch is in isolated location, circuit breaker can not operate, and---can operate tri-station isolating switch to earthing position---closes circuit breaker, realized cut cable ground connection again.From function, realized, without the cut cable ground connection of cut cable ground connection switch, save cut cable ground connection switch, saved the cable space of switch cubicle, reduced the source of trouble, also reduced cost simultaneously.
Adopt dual function spring operating mechanism, the design of mechanism is made to measure according to integrated combination electric device, the upper end of side dress integrated combination electrical equipment is tri-station isolating switch, lower end is the epoxy resin seal pole of vacuum circuit-breaker (on-load switch, combined electrical apparatus), and front end is dual function spring mechanism.Body function 1: the torque spring energy store of mechanism upper end, rotate splined shaft, realize tri-station isolating switch deciliter, irrelevant with operator's operating physical force size, speed.Body function 2: the wind spring energy storage of mechanism lower end, realizes the dividing of vacuum circuit-breaker (on-load switch, combined electrical apparatus), closes, the operation such as dropout.
Dual function spring operating mechanism is tri-station isolating switch--between vacuum circuit-breaker (on-load switch, combined electrical apparatus), realizes compact mechanical chain and created condition.
New mechanical chain operation sequence is:
---fixed head on cabinet door is pressed the chain roller of tri-station isolating switch, and---baffle plate of tri-station isolating switch moves downward, and---handle hole that meets tri-station isolating switch exposes one of condition, and------handle hole that meets tri-station isolating switch exposes two of condition, and---2 conditions all meet---can operate tri-station isolating switch to isolated location---, and tri-station isolating switch is to being isolated in position for breaker open operation for power transmission: close cabinet door, depress junction panel, circuit breaker can not operate---operates tri-station isolating switch---circuit breaker can divide closing operation---breaker closing major loop energising to closing position again.
Tri-station isolating switch is to being isolated in position in power-off: breaker open operation---operation tri-station isolating switch is to isolated location---, depress junction panel, circuit breaker can not operate---operate again tri-station isolating switch to earthing position---circuit breaker can divide closing operation---breaker closing cut cable ground connection---can open cabinet door---and open cabinet behind the door tri-station isolating switch can not operate.
Employing can operated type electronic sensor; provide accurately to New Microcomputer Line Protection Device; with the small voltage signal of the proportional wide range of primary current for measuring and protection; the power supply of protective device can also be provided, be provided with test simultaneously and check and accept loop, before energising, check debugging; only need with general equipment; connect test and check and accept loop, can operate, facilitated equipment acceptance inspection.
The present invention adopts non-maintaining protective device, by can operated type electronic sensor, provides protective device small voltage signal and power supply, and normal operation does not need additional power source.
Integrated combination electrical equipment of the present invention: be fixed, side dress, vacuum circuit-breaker (on-load switch, combined electrical apparatus) and tri-station isolating switch integrated combination electrical equipment series of products, isolating switch+vacuum circuit-breaker (vacuum load switch with two stations, vacuum combined electrical equipment) ratio, integrated combination electrical equipment, although only have an earth point, but vacuum circuit-breaker (on-load switch, combined electrical apparatus) two ends all can ground connection, isolating switch+vacuum circuit-breaker (vacuum load switch of two stations, vacuum combined electrical equipment) must install the earthed switch of cut cable additional, could realize the ground connection of cut cable.
The tri-station isolating switch of integrated combination electrical equipment only has an axle that rotates disconnecting link, there is no the insulated tension pole of like product and is welded with the operating axis etc. of connecting lever, has reduced the source of trouble.The spring operating mechanism of tri-station isolating switch is a part for difunctional self-lubricating spring operating mechanism, switch deciliter irrelevant with operator's strength size, speed.Need not after operator's operation, with latch, locate, operation is simple and reliable.Difunctional self-lubricating spring operating mechanism is also domestic initiation.
The profile that integrated combination electrical equipment is unified, unified installation dimension, be arranged on cabinet Nei， switch cubicle factory and need not install dividing plate additional, and bus-bar room and switching cable chamber have just been cut apart in the splicing of three-phase epoxy resin seal pole naturally, and user installation is used easily.
Integrated combination electrical equipment epoxy resin seal three-phase pole, has reserved the installing space of current sensor, as long as user need to be installed additional.Current sensor can provide power supply to protective device, and normal running protection device must additional power source.
Claims (2)
1. integrated combination electrical equipment, comprise tri-station isolating switch, the vacuum circuit-breaker supporting with it or on-load switch or switch-fuse combination and operating mechanism, it is characterized in that: described tri-station isolating switch is arranged on the top of integrated combination electrical equipment, by front, in, after arrange, circuit breaker or on-load switch or switch-fuse combination sealing are in epoxy resin seal pole, be arranged on the below of isolating switch, and described epoxy resin seal pole is stitched together and forms dividing plate and separate bus-bar room and switching cable chamber, separately, the upper outlet of circuit breaker or on-load switch or switch-fuse combination forms the disconnecting link rotating fulcrum of tri-station isolating switch, described operating mechanism is dual function spring operating mechanism, be arranged on the front end of integrated combination electrical equipment, dual function spring operating mechanism upper end torque spring energy store mechanism drives tri-station isolating switch rotating shaft action to realize folding, lower end wind spring stored energy mechanism drives dividing of circuit breaker or on-load switch or switch-fuse combination, close, thread off and operate, the mechanical chain mechanism of described dual function spring operating mechanism comprises: the fixed head on cabinet door drives the chain roller of tri-station isolating switch, and then drives tri-station isolating switch baffle plate, separately, breaker open operation mechanism action drives bearing pin, and then drives the action of tri-station isolating switch baffle plate, again, the block arranging on tri-station isolating switch rotating mechanism presses junction panel action, and then controls breaker switching-on mechanism action.
2. integrated combination electrical equipment as claimed in claim 1, is characterized in that: the reserved current sensor installing space in described epoxy resin seal pole lower end and Wiring trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910112753.0A CN102055142B (en) | 2009-11-04 | 2009-11-04 | Integrated combined electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910112753.0A CN102055142B (en) | 2009-11-04 | 2009-11-04 | Integrated combined electrical appliance |
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| Publication Number | Publication Date |
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| CN102055142A CN102055142A (en) | 2011-05-11 |
| CN102055142B true CN102055142B (en) | 2014-03-05 |
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| CN200910112753.0A Expired - Fee Related CN102055142B (en) | 2009-11-04 | 2009-11-04 | Integrated combined electrical appliance |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198968A (en) * | 2013-02-27 | 2013-07-10 | 上海正昊电力科技有限公司 | High-voltage switch and switch cabinet comprising same |
| CN104821508A (en) * | 2015-05-11 | 2015-08-05 | 江苏其厚智能电气设备有限公司 | Outdoor integrated intelligent combined electric appliance |
| CN111404035B (en) * | 2020-04-28 | 2024-04-16 | 江苏神一电气有限公司 | Side-mounted high-voltage combined electrical apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1599166A (en) * | 2003-09-19 | 2005-03-23 | 厦门协成实业有限公司 | Fixed vacuum breaker switch cabinet |
| CN2836279Y (en) * | 2005-07-14 | 2006-11-08 | 杭州电器开关有限公司 | 12KV indoor AC high-voltage sulfur hexafluoride ring network switchgear |
| CN201594513U (en) * | 2009-11-04 | 2010-09-29 | 厦门科力特电气有限公司 | Novel integral combined electric appliance |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20062161A1 (en) * | 2006-11-10 | 2008-05-11 | Vei Power Distrib S P A | TRIPOLAR EQUIPMENT FOR A COMPARTMENT IN MEDIUM OR HIGH VOLTAGE AND ITS COMPARTMENT INCLUDING THIS TRIPOLAR EQUIPMENT |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1599166A (en) * | 2003-09-19 | 2005-03-23 | 厦门协成实业有限公司 | Fixed vacuum breaker switch cabinet |
| CN2836279Y (en) * | 2005-07-14 | 2006-11-08 | 杭州电器开关有限公司 | 12KV indoor AC high-voltage sulfur hexafluoride ring network switchgear |
| CN201594513U (en) * | 2009-11-04 | 2010-09-29 | 厦门科力特电气有限公司 | Novel integral combined electric appliance |
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| CN102055142A (en) | 2011-05-11 |
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Owner name: ZHEJIANG TIANRUN ELECTRIC POWER TECHNOLOGY CO., LT Free format text: FORMER OWNER: XIAMEN KELITE ELECTRIC CO., LTD. Effective date: 20140701 |
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