CN103700539A - Vacuum circuit breaker for switching capacitor bank gas insulated switch cabinet - Google Patents

Vacuum circuit breaker for switching capacitor bank gas insulated switch cabinet Download PDF

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Publication number
CN103700539A
CN103700539A CN201410011721.2A CN201410011721A CN103700539A CN 103700539 A CN103700539 A CN 103700539A CN 201410011721 A CN201410011721 A CN 201410011721A CN 103700539 A CN103700539 A CN 103700539A
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China
Prior art keywords
chamber component
contact spring
component
vacuum
extinction chamber
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CN201410011721.2A
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Chinese (zh)
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CN103700539B (en
Inventor
蒋蓁
岳涛
夏建刚
李辉
赵树生
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CHANGZHOU PACIFIC ELECTRIC POWER EQUIPMENT (GROUP) Co Ltd
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CHANGZHOU PACIFIC ELECTRIC POWER EQUIPMENT (GROUP) Co Ltd
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Priority to CN201410011721.2A priority Critical patent/CN103700539B/en
Publication of CN103700539A publication Critical patent/CN103700539A/en
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Publication of CN103700539B publication Critical patent/CN103700539B/en
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Abstract

The invention discloses a vacuum circuit breaker for switching a capacitor bank gas insulated switch cabinet. The vacuum circuit breaker comprises an upper contact, a first vacuum arc-extinguishing chamber component, a first contact spring device, a second contact spring device, a second vacuum arc-extinguishing chamber component, a lower contact, a conductive series component and a transmission power mechanism, wherein the transmission power mechanism is respectively hinged to the first and second contact spring devices and pushes the first and second contact spring devices to move toward each other or move away from each other; the static end of the first vacuum arc-extinguishing chamber component is electrically connected with the upper contact; the movable end of the first vacuum arc-extinguishing chamber component is connected with the first contact spring device; the static end of the second vacuum arc-extinguishing chamber component is electrically connected with the lower contact; the movable end of the second vacuum arc-extinguishing chamber component is connected with the second contact spring device; the movable end of the first vacuum arc-extinguishing chamber component is electrically connected with the movable end of the second vacuum arc-extinguishing chamber component by virtue of the conductive series component in series. By adopting the vacuum circuit breaker, the same phase can be realized, meanwhile, two switch opening fractures or switch closing connection ports are realized, accordingly, the validity of the switch opening and the switch closing is increased, the insulation voltage withstanding level of the switch opening fractures can be effectively improved, the restrike probability is reduced, and the ability of opening and closing capacity current is enhanced.

Description

For cutting the vacuum circuit-breaker of capacitor group gas insulation switch cabinet
Technical field
The present invention relates to a kind ofly for cutting the vacuum circuit-breaker of capacitor group gas insulation switch cabinet, belong to electric equipment technical field.
Background technology
At present, gas insulation switch cabinet is more and more extensive in the use of distribution system, relates to the occasion of cut-offfing capacity current also more and more, cut-offs in the process of capacity current in electric power system, and the probability that bang is worn is higher, larger to electric network influencing.Research shows that the generation that bang is worn depends mainly on the dielectric voltage withstand level that vacuum circuit-breaker cut-offs the separating brake fracture after capacity current, and according to vacuum switch puncture voltage enhancement effect, the fracture withstand voltage level of finding the circuit breaker of two vacuum interrupters series connection is 2.5 times of fracture withstand voltage level of the circuit breaker of single vacuum interrupter.
Summary of the invention
Technical problem to be solved by this invention is the defect that overcomes prior art, provide a kind of for cutting the vacuum circuit-breaker of capacitor group gas insulation switch cabinet, it can realize homophase while two separating brake fractures or combined floodgate connector, thereby increase the state validity of separating brake and combined floodgate, can effectively improve the dielectric voltage withstand level of separating brake fracture, reduce the probability that bang is worn, strengthened the capacity current ability of cut-offfing.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of for cutting the vacuum circuit-breaker of capacitor group gas insulation switch cabinet, it comprises upper contact head, the first vacuum extinction chamber component, the first contact spring arrangement, the second contact spring arrangement, the second vacuum extinction chamber component, lower contact, conduction series component and the transfer motion power mechanism that is hinged and promotes both move toward one another or opposing motion with the first contact spring arrangement and the second contact spring arrangement respectively, the quiet end of the first vacuum extinction chamber component is electrically connected mutually with upper contact head, the moved end of the first vacuum extinction chamber component is connected with the first contact spring arrangement, the quiet end of the second vacuum extinction chamber component is electrically connected mutually with lower contact, the moved end of the second vacuum extinction chamber component is connected with the second contact spring arrangement, the moved end of the moved end of the first vacuum extinction chamber component and the second vacuum extinction chamber component is by the electrically series connection mutually of conduction series component.
A kind of version of conducting electricity series component is further provided, described conduction series component comprises that be successively flexible coupling body, conduction of the first conductive clip, first being electrically connected mutually connects row, second be flexible coupling body and the second conductive clip, the first conductive clip is connected with the moved end of the first vacuum extinction chamber component, and the second conductive clip is connected with the moved end of the second vacuum extinction chamber component.
Further in order to improve the insulation property of its separating brake fracture, the first described contact spring arrangement, in the second contact spring arrangement and transfer motion power mechanism, be provided with radome with both peripheries of coupling part, the two ends of radome are also respectively arranged with the first support and the second support, lower end and first support of the first described vacuum extinction chamber component are fixedly connected, and the moved end of the first vacuum extinction chamber component is stretched in radome, upper end and second support of the second described vacuum extinction chamber component are fixedly connected, and the moved end of the second vacuum extinction chamber component is stretched in radome.
Further, on the first described support and the second support, be respectively arranged with for fixing supporting insulator is installed.
Further, described transfer motion power mechanism comprises stored energy mechanism, energy storage axle, the first connecting lever, close a floodgate and thread off, separating brake is threaded off, the second connecting lever, main shaft, the 3rd connecting lever, connecting rod, energy-stored spring, bellows component, three jointed gear units, insulated tension pole and two drive mechanism, the output of stored energy mechanism matches with energy storage axle, the first connecting lever is arranged on energy storage axle, and the first connecting lever matches for use in the fixing position of energy storage axle with close a floodgate threading off, the 3rd connecting lever is arranged on main shaft, and the 3rd connecting lever is threaded off and is matched for use in the position of fixed main shaft with separating brake, the second connecting lever is also arranged on main shaft, and the second connecting lever and three jointed gear units are hinged, three jointed gear units are also hinged with one end of bellows component, the other end of bellows component connects by insulated tension pole, insulated tension pole is hinged with the first contact spring arrangement and the second contact spring arrangement respectively by two drive mechanisms, the lower end of energy-stored spring is connected with energy storage axle, one end of connecting rod is connected with energy storage axle, the other end of connecting rod is connected with main shaft.
Adopted after technique scheme, the first vacuum extinction chamber component and the second vacuum extinction chamber component are together in series by the conduction series component at middle part, by transfer motion power winding machine simultaneously separating brake, close a floodgate simultaneously, when separating brake, form two separating brake fractures, when closing a floodgate, form two combined floodgate connectors, thereby increased the state validity of separating brake and combined floodgate, and radome is installed, evenly electric field, can effectively improve the dielectric voltage withstand level of separating brake fracture, reduce the probability that bang is worn, strengthen the capacity current ability of cut-offfing.
Accompanying drawing explanation
Fig. 1 is of the present invention for cutting the structural representation of the vacuum circuit-breaker of capacitor group gas insulation switch cabinet;
Fig. 2 is the part-structure cutaway view of Fig. 1;
Fig. 3 is the structural representation of transfer motion power of the present invention mechanism.
Embodiment
For content of the present invention is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation below.
As Fig. 1, shown in 2, a kind of for cutting the vacuum circuit-breaker of capacitor group gas insulation switch cabinet, it comprises upper contact head 1, the first vacuum extinction chamber component 2, the first contact spring arrangement 3, the second contact spring arrangement 4, the second vacuum extinction chamber component 5, lower contact 6, conduction series component and the transfer motion power mechanism that is hinged and promotes both move toward one another or opposing motion with the first contact spring arrangement 3 and the second contact spring arrangement 4 respectively, the quiet end of the first vacuum extinction chamber component 2 is electrically connected mutually with upper contact head 1, the moved end of the first vacuum extinction chamber component 2 is connected with the first contact spring arrangement 3, the quiet end of the second vacuum extinction chamber component 5 is electrically connected mutually with lower contact 6, the moved end of the second vacuum extinction chamber component 5 is connected with the second contact spring arrangement 4, the moved end of the moved end of the first vacuum extinction chamber component 2 and the second vacuum extinction chamber component 5 is by the electrically series connection mutually of conduction series component.
As shown in Figure 2, conduction series component comprises that be successively flexible coupling body 8, conduction of the first conductive clip 7, first being electrically connected mutually connects row 9, second be flexible coupling body 10 and the second conductive clip 11, the first conductive clip 7 is connected with the moved end of the first vacuum extinction chamber component 2, and the second conductive clip 11 is connected with the moved end of the second vacuum extinction chamber component 5.
As shown in Figure 2, in the first contact spring arrangement 3, the second contact spring arrangement 4 and transfer motion power mechanism, be provided with radome 12 with both peripheries of coupling part, the two ends of radome 12 are also respectively arranged with the first support 12-1 and the second support 12-2, the lower end of the first vacuum extinction chamber component 2 and the first support 12-1 are fixedly connected, and the moved end of the first vacuum extinction chamber component 2 is stretched in radome 12, the upper end of the second vacuum extinction chamber component 5 and the second support 12-2 are fixedly connected, and the moved end of the second vacuum extinction chamber component 5 is stretched in radome.
As shown in Figure 2, on the first support 12-1 and the second support 12-2, be respectively arranged with for fixing supporting insulator 13 is installed.
As shown in Figure 3, transfer motion power mechanism comprises stored energy mechanism 14, energy storage axle 15, the first connecting lever 16, close a floodgate and thread off 17, separating brake threads off 18, the second connecting lever 19, main shaft 20, the 3rd connecting lever 21, connecting rod 22, energy-stored spring 23, bellows component 24, three jointed gear units 25, insulated tension pole 26 and two drive mechanism 27, the output of stored energy mechanism 14 matches with energy storage axle 15, the first connecting lever 16 is arranged on energy storage axle 15, and the first connecting lever 16 17 matches for use in the fixing position of energy storage axle 15 with close a floodgate threading off, the 3rd connecting lever 21 is arranged on main shaft 20, and the 3rd connecting lever 21 matches for use in the position of fixed main shaft 20 with separating brake dropout 18, the second connecting lever 19 is also arranged on main shaft 20, and the second connecting lever 20 and three jointed gear units 25 are hinged, three jointed gear units 25 are also hinged with one end of bellows component 24, the other end of bellows component 24 connects by insulated tension pole 26, insulated tension pole 26 is hinged with the first contact spring arrangement 3 and the second contact spring arrangement 4 respectively by two drive mechanisms 27, the lower end of energy-stored spring 23 is connected with energy storage axle 15, one end of connecting rod 22 is connected with energy storage axle 15, the other end of connecting rod 22 is connected with main shaft 20.Bellows component 24 is arranged in circuit breaker frame 40, and bellows component 24 is provided with sealing ring 41 with the junction of circuit breaker frame 40, and circuit breaker frame 40 is also provided with sealing ring 41 with the junction of cabinet 42.
Operation principle of the present invention is as follows:
Stored energy mechanism action drives energy storage axle 15 to rotate, thereby compressed energy-storage spring 23 is in order to obtain combined floodgate energy, the first connecting lever 16 turns in the dropout 17 of closing a floodgate and is lockable simultaneously, energy storage finishes, combined floodgate dropout 17 releases, energy-stored spring 23 releases energy, and energy storage axle 15 is taken advantage of a situation to rotate and is pulled connecting rod 22, thereby drive main shaft 20 to rotate, the second connecting lever 19 on main shaft 20 and the 3rd connecting lever 21 also rotate simultaneously, the second connecting lever 19 promotes three link transmission structure 25 actions, thereby promoting bellows component 24 moves right, drive insulated tension pole 26 to move right, thereby promote the moved end of the first vacuum extinction chamber component 2 and moved end and the quiet end in contact of quiet end in contact and the second vacuum extinction chamber component 5 simultaneously, thereby combined floodgate conducting, meanwhile the 3rd connecting lever 21 turns in separating brake dropout 18 and is lockable, separating brake 18 releases of threading off, the first contact spring arrangement 3 and the second contact spring arrangement 4 release energy simultaneously, make bellows component 24, three link transmission structures 25 are moved round about, finally make the moved end of the first vacuum extinction chamber component 2 and the moved end of quiet end and the second vacuum extinction chamber component 5 simultaneously separated with quiet end, realize separating brake power-off, the first vacuum extinction chamber component and the second vacuum extinction chamber component are together in series by the conduction series component at middle part, by transfer motion power winding machine while separating brake, close a floodgate simultaneously, when separating brake, form two separating brake fractures, when closing a floodgate, form two combined floodgate connectors, thereby increase the state validity of resolving lock and combined floodgate, and radome is installed, evenly electric field, can effectively improve the dielectric voltage withstand level of separating brake fracture, reduce the probability that bang is worn, strengthen the capacity current ability of cut-offfing.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the present invention is solved further describe; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (5)

1. one kind for cutting the vacuum circuit-breaker of capacitor group gas insulation switch cabinet, it is characterized in that: it comprises upper contact head (1), the first vacuum extinction chamber component (2), the first contact spring arrangement (3), the second contact spring arrangement (4), the second vacuum extinction chamber component (5), lower contact (6), conduction series component and the transfer motion power mechanism that is hinged and promotes both move toward one another or opposing motion with the first contact spring arrangement (3) and the second contact spring arrangement (4) respectively, the quiet end of the first vacuum extinction chamber component (2) is electrically connected mutually with upper contact head (1), the moved end of the first vacuum extinction chamber component (2) is connected with the first contact spring arrangement (3), the quiet end of the second vacuum extinction chamber component (5) is electrically connected mutually with lower contact (6), the moved end of the second vacuum extinction chamber component (5) is connected with the second contact spring arrangement (4), the moved end of the moved end of the first vacuum extinction chamber component (2) and the second vacuum extinction chamber component (5) is by the electrically series connection mutually of conduction series component.
2. according to claim 1 for cutting the vacuum circuit-breaker of capacitor group gas insulation switch cabinet, it is characterized in that: described conduction series component comprises that be successively flexible coupling body (8), conduction of the first conductive clip (7), first being electrically connected mutually connects row (9), second be flexible coupling body (10) and the second conductive clip (11), the first conductive clip (7) is connected with the moved end of the first vacuum extinction chamber component (2), and the second conductive clip (11) is connected with the moved end of the second vacuum extinction chamber component (5).
3. according to claim 1 for cutting the vacuum circuit-breaker of capacitor group gas insulation switch cabinet, it is characterized in that: the first described contact spring arrangement (3), in the second contact spring arrangement (4) and transfer motion power mechanism, be provided with radome (12) with both peripheries of coupling part, the two ends of radome (12) are also respectively arranged with the first support (12-1) and the second support (12-2), lower end and first support (12-1) of the first described vacuum extinction chamber component (2) are fixedly connected, and the moved end of the first vacuum extinction chamber component (2) is stretched in radome (12), upper end and second support (12-2) of the second described vacuum extinction chamber component (5) are fixedly connected, and the moved end of the second vacuum extinction chamber component (5) is stretched in radome.
4. according to claim 1 for cutting the vacuum circuit-breaker of capacitor group gas insulation switch cabinet, it is characterized in that: on described the first support (12-1) and the second support (12-2), be respectively arranged with for fixing supporting insulator (13) is installed.
5. according to claim 1 for cutting the vacuum circuit-breaker of capacitor group gas insulation switch cabinet, it is characterized in that: described transfer motion power mechanism comprises stored energy mechanism (14), energy storage axle (15), the first connecting lever (16), combined floodgate dropout (17), separating brake dropout (18), the second connecting lever (19), main shaft (20), the 3rd connecting lever (21), connecting rod (22), energy-stored spring (23), bellows component (24), three jointed gear units (25), insulated tension pole (26) and two drive mechanism (27), the output of stored energy mechanism (14) matches with energy storage axle (15), the first connecting lever (16) is arranged on energy storage axle (15), and the first connecting lever (16) matches with close a floodgate to thread off (17) for use in the fixing position of energy storage axle (15), the 3rd connecting lever (21) is arranged on main shaft (20), and the 3rd connecting lever (21) matches for use in the position of fixed main shaft (20) with separating brake dropout (18), the second connecting lever (19) is also arranged on main shaft (20), and the second connecting lever (20) is hinged with three jointed gear units (25), three jointed gear units (25) are also hinged with one end of bellows component (24), the other end of bellows component (24) connects by insulated tension pole (26), insulated tension pole (26) is hinged with the first contact spring arrangement (3) and the second contact spring arrangement (4) respectively by two drive mechanisms (27), the lower end of energy-stored spring (23) is connected with energy storage axle (15), one end of connecting rod (22) is connected with energy storage axle (15), the other end of connecting rod (22) is connected with main shaft (20).
CN201410011721.2A 2014-01-10 2014-01-10 For cutting the vacuum circuit-breaker of Capacitor banks gas insulation switch cabinet Active CN103700539B (en)

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Application Number Priority Date Filing Date Title
CN201410011721.2A CN103700539B (en) 2014-01-10 2014-01-10 For cutting the vacuum circuit-breaker of Capacitor banks gas insulation switch cabinet

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Application Number Priority Date Filing Date Title
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CN103700539B CN103700539B (en) 2015-12-16

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105390347A (en) * 2015-12-03 2016-03-09 天津平高智能电气有限公司 Circuit breaker and operating device thereof
CN109461619A (en) * 2018-05-24 2019-03-12 许继集团有限公司 A kind of three-phase individual screen formula breaker
CN110277272A (en) * 2019-06-21 2019-09-24 瑞熙恩电气(珠海)有限公司 A kind of synchronous shaft assembly and breaker
US11657987B2 (en) * 2020-04-14 2023-05-23 Siemens Aktiengesellschaft Dielectric shield for a switching device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08273501A (en) * 1995-03-31 1996-10-18 Mitsubishi Electric Corp Vacuum circuit breaker
CN101383245A (en) * 2008-10-17 2009-03-11 常州太平洋电力设备(集团)有限公司 Vacuum circuit breaker of switching capacitor group
CN201364854Y (en) * 2009-01-07 2009-12-16 珠海方新电气有限责任公司 Double-fracture vacuum fling-cut switch
CN201788888U (en) * 2010-08-05 2011-04-06 西安通大思源电器有限公司 Single-phase vacuum breaker with double arc-extinguishing chambers for controlling transmission mode
CN203733697U (en) * 2014-01-10 2014-07-23 常州太平洋电力设备(集团)有限公司 Vacuum circuit breaker for switching capacitor bank gas insulated switch cabinet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08273501A (en) * 1995-03-31 1996-10-18 Mitsubishi Electric Corp Vacuum circuit breaker
CN101383245A (en) * 2008-10-17 2009-03-11 常州太平洋电力设备(集团)有限公司 Vacuum circuit breaker of switching capacitor group
CN201364854Y (en) * 2009-01-07 2009-12-16 珠海方新电气有限责任公司 Double-fracture vacuum fling-cut switch
CN201788888U (en) * 2010-08-05 2011-04-06 西安通大思源电器有限公司 Single-phase vacuum breaker with double arc-extinguishing chambers for controlling transmission mode
CN203733697U (en) * 2014-01-10 2014-07-23 常州太平洋电力设备(集团)有限公司 Vacuum circuit breaker for switching capacitor bank gas insulated switch cabinet

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105390347A (en) * 2015-12-03 2016-03-09 天津平高智能电气有限公司 Circuit breaker and operating device thereof
CN105390347B (en) * 2015-12-03 2017-11-28 天津平高智能电气有限公司 A kind of breaker and its operation device
CN109461619A (en) * 2018-05-24 2019-03-12 许继集团有限公司 A kind of three-phase individual screen formula breaker
CN110277272A (en) * 2019-06-21 2019-09-24 瑞熙恩电气(珠海)有限公司 A kind of synchronous shaft assembly and breaker
US11657987B2 (en) * 2020-04-14 2023-05-23 Siemens Aktiengesellschaft Dielectric shield for a switching device

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