CN204967106U - Cubical switchboard and circuit breaker - Google Patents

Cubical switchboard and circuit breaker Download PDF

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Publication number
CN204967106U
CN204967106U CN201520538510.4U CN201520538510U CN204967106U CN 204967106 U CN204967106 U CN 204967106U CN 201520538510 U CN201520538510 U CN 201520538510U CN 204967106 U CN204967106 U CN 204967106U
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China
Prior art keywords
circuit breaker
leading
terminal
switch
shell
Prior art date
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Active
Application number
CN201520538510.4U
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Chinese (zh)
Inventor
王海燕
袁端磊
朱志豪
李小军
何周
杨芳
祁海洋
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.)
State Grid Corp of China SGCC
Pinggao Group Co Ltd
Original Assignee
State Grid Corp of China SGCC
Pinggao Group Co Ltd
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Application filed by State Grid Corp of China SGCC, Pinggao Group Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201520538510.4U priority Critical patent/CN204967106U/en
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Publication of CN204967106U publication Critical patent/CN204967106U/en
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Abstract

The utility model provides a cubical switchboard and circuit breaker, wherein the cubical switchboard includes circuit breaker and three stations isolation earthing switch, the circuit breaker casing that extends about the circuit breaker has, the circuit breaker side leading -out terminal that extends about being equipped with on the circuit breaker casing, circuit breaker side leading -out terminal is located between explosion chamber and the pull rod chamber, circuit breaker side leading -out terminal component is used for switching on the switch moving contact electrically conductive static contact be connected of station department with three stations isolation earthing switch, the length of circuit breaker is not that stack totally is on earthing switch is kept apart to three stations like this, compare in prior art's the vertical connection with the circuit breaker highly lowerly on earthing switch is kept apart to three stations during the connection, the height of cubical switchboard has been reduced.

Description

Switch cubicle and circuit breaker
Technical field
The utility model relates to a kind of distribution switchgear, particularly relates to a kind of switch cubicle and circuit breaker.
Background technology
At present, the nested family switch product at home and abroad applied in secondary power distribution market mainly contains: using SF6 gas as insulation and the ring main unit of arc-extinguishing medium and the switch cubicle using vacuum, air or other gas as the arc-extinguishing medium that insulate.If application publication number is CN103311840A, Shen Qing Publication day is that the Chinese utility model patent of 2013.9.18 day discloses a kind of loop-network switch cabinet solid compositions unit, comprise vacuum breaker module and three station isolation grounding switch modules, vacuum breaker module comprises the cylindrical case vertically extended, arc control device are provided with and for providing the pull bar chamber of insulated tension pole shift motion in tubular shell, the lower end of cylindrical case is provided with and exports static contact seat and circuit breaker end of incoming cables, operating mechanism is positioned at the upper end of cylindrical case, the side of cylindrical case also between arc control device and pull bar chamber position be provided with the radial watch chain fingertip Connection Block that extends and circuit breaker side leading-out terminal, vacuum breaker module is positioned at the top of three station isolation grounding switch modules, on the quiet cutter installing hole of leading-out terminal that the output fixed contact of vacuum breaker module is arranged on three station isolation grounding switchs and fixed contact installing hole, connected by flange insulated enclosure between the output static contact seat of vacuum breaker module and the upper leading-out terminal of three station isolation grounding switchs, three station isolation grounding switch modules comprise insulation crust, the quiet cutter mounting hole site of leading-out terminal is in the upper end of insulation crust, isolation knife is provided with in insulation crust, grounding base and driving isolation swivel move the driving mechanism contacted with grounding base with output fixed contact respectively, conducting station is realized by driving mechanism driving isolation swivel is dynamic, the switching of isolation station and ground connection station.
The vacuum breaker module of this switch cubicle is vertically connected with the insulation crust of three station isolation grounding switchs by the output static contact seat of tubular shell lower end, the height of switch cubicle is at least greater than the height summation of vacuum circuit-breaker and tri-station isolating switch, make the height of whole switch cubicle higher, this switch cabinet structure is also compact not simultaneously, take larger land area, it is very inconvenient to use.
Utility model content
The purpose of this utility model is to provide a kind of switch cubicle, is vertically connected on three station isolation grounding switchs and causes for solving loop-network switch cabinet vacuum circuit-breaker of the prior art the problem that switch cubicle height is larger; Meanwhile, the utility model additionally provides a kind of circuit breaker being applicable to this switch cubicle.
In order to solve the problems of the technologies described above, switch cubicle of the present utility model adopts following technical scheme: switch cubicle, comprise circuit breaker and three station isolation grounding switchs, circuit breaker has the Shell of circuit breaker of upper downward-extension, Shell of circuit breaker is provided with the circuit breaker side leading-out terminal that left and right extends, described circuit breaker side leading-out terminal is between arc control device and pull bar chamber, and described circuit breaker side leading-out terminal is configured for conducting electricity with the switch movable contact of three station isolation grounding switchs at conducting station place the fixed contact be connected.
Described switch movable contact rectilinear motion realize the switching of three stations along the vertical direction.
Shell of circuit breaker comprises the leading-out terminal shell be around in outside the leading-out terminal of circuit breaker side be wholely set, downward-extension in the switch case of three station isolation grounding switchs and the upper end of switch case and the grafting of leading-out terminal body seal.
The upper end of Shell of circuit breaker is provided with circuit breaker end of incoming cables, circuit breaker tie rod chamber is located at Shell of circuit breaker low inside and is put place, and described switch cubicle is also provided with the breaker operation mechanism for driving circuit-breaker switching on-off to move in the horizontal position corresponding to Shell of circuit breaker lower end.
On the switch movable contact of described three station isolation grounding switchs, sliding conduction is connected with the bonding conductor for connecting line cable, and bonding conductor is also connected with lightning arrester.
Circuit breaker of the present utility model adopts following technical scheme: circuit breaker, comprise the Shell of circuit breaker of downward-extension, arc control device and pull bar chamber is provided with in described Shell of circuit breaker, described Shell of circuit breaker is provided with between arc control device and pull bar chamber the circuit breaker side leading-out terminal that left and right extends, described circuit breaker side leading-out terminal is configured for conducting electricity with the moving contact of three station isolation grounding switchs at conducting station place the fixed contact be connected.
Described Shell of circuit breaker comprises the leading-out terminal shell be around in outside the leading-out terminal of circuit breaker side be wholely set, and described leading-out terminal shell is provided with for sealing the connected structure of grafting with the switch case of three station isolation grounding switchs in the vertical direction.
The circuit breaker side leading-out terminal of switch cubicle of the present utility model is between arc control device and pull bar chamber, circuit breaker side leading-out terminal is configured for conducting electricity with the switch movable contact of three station isolation grounding switchs at conducting station place the fixed contact be connected, namely circuit breaker is connected with three station isolation grounding switchs by side leading-out terminal, and side leading-out terminal is as the fixed contact of three station isolation grounding switchs, the length of such circuit breaker non-fully is superimposed upon on three station isolation grounding switchs, highly lower compared to circuit breaker being vertically connected on three station isolation grounding switchs of prior art during connection, reduce the height of switch cubicle.
Further, switch movable contact rectilinear motion realize the switching of three stations along the vertical direction, the bearing of trend of such three station isolation grounding switchs is identical with the bearing of trend of circuit breaker, and three station isolation grounding switchs are connected with the side leading-out terminal of circuit breaker and make three station isolation grounding switchs and circuit breaker horizontal alignment and in the vertical direction overlaps, whole height is not reduced like this by means of only lap, and corresponding up and down with other structures horizontally disposed on three station isolation grounding switchs in the horizontal direction, make overall structure compacter, reasonable.
Further, three station isolation grounding switchs and circuit breaker side leading-out terminal assemble realization by grafting and are tightly connected, and easy accessibility is convenient to realize modularized production and assembling.
Accompanying drawing explanation
Fig. 1 is the structural representation of switch cubicle embodiment one of the present utility model;
Fig. 2 is inside switch cabinet assembly structure schematic diagram of the present utility model;
Fig. 3 is inside switch cabinet assembly structure stereogram of the present utility model.
Embodiment
The embodiment one of switch cubicle of the present utility model: as Figure 1-3, comprise cabinet 1, cabinet 1 comprises upper and lower three-decker, upper end is bus-bar room 11, middle is the breaker chamber 13 for installing circuit breaker 21, lower floor is the isolating switch room 16 for installing three station isolation grounding switchs 22, cabinet 1 is provided with control room 12 in the side of bus-bar room 11, cabinet 1 is provided with breaker operation mechanism room 14 in the side of breaker chamber 13, cabinet 1 is provided with switch operation mechanism room 15 in the side of tri-station isolating switch room 16, wherein, control room 12, breaker operation mechanism room 14 and switch operation mechanism room about 15 correspondence, cabinet 1 is provided with pressure releasing chamber 17 at the opposite side of breaker chamber 13 and breaker operation mechanism room 14, pressure releasing chamber 17 is corresponding with breaker chamber 13 and breaker operation mechanism room 14 level.
The assembly connection relation of circuit breaker and three station isolation grounding switchs as Figure 2-3, circuit breaker comprises the Shell of circuit breaker 213 of downward-extension, Shell of circuit breaker 213 is by arc control device 212 by epoxy resin, circuit breaker end of incoming cables 211, circuit breaker side leading-out terminal 214 and the pull bar chamber sealing for providing moving contact of breaker to move up and down space are formed together, Shell of circuit breaker 213 extends at above-below direction, circuit breaker end of incoming cables 211 is positioned at the upper end of Shell of circuit breaker and its lower end connects arc control device 212, circuit breaker end of incoming cables 211 is tapered cable joint, electric field is made to lean on fixed insulation material to bear, be conducive to the width reducing bus-bar room, the lower end of arc control device 212 arranges pull bar chamber, pull bar is provided with downward-extension in chamber, the moving contact that upper end is arranged stretches into the insulated tension pole 216 in arc control device, Shell of circuit breaker is also provided with between arc control device and pull bar chamber the circuit breaker side leading-out terminal 214 that left and right extends, Shell of circuit breaker 213 is wholely set the leading-out terminal shell 217 for being included by circuit breaker side leading-out terminal 214, the downside of leading-out terminal shell 217 is provided with connected structure down, and be assembled together by this connected structure and three station isolation grounding switch 22 grafting, the air dielectric of isolation fracture 29 is isolated from the outside, avoid impurity to enter and the impact of condensation, the end of circuit breaker side leading-out terminal 214 is provided with the spring touch finger 215 that axis extends at above-below direction, the switch movable contact 223 of spring touch finger 215 confession three station isolation grounding switchs inserts and conducts electricity with switch movable contact 223 and is connected, circuit breaker side leading-out terminal 214 is as the fixed contact of switch movable contact 223 conductive contact at conducting station place and three station isolation grounding switchs, three station isolation grounding switchs 22 comprise the switch case 220 that epoxy resin builds formation, switch case 220 to extend and its upper end is provided with inserted terminal for coordinating with the connected structure plug-in mounting on leading-out terminal shell 217 at above-below direction, switch movable contact 223 leads in the vertical direction and is slidedly assemblied in switch case, there is the endoporus section of upper downward-extension for leading to switch movable contact in switch case, the outer peripheral face of switch movable contact 223 is provided with the rack structure to downward-extension, correspondingly, switch case 220 is provided with in the outside of switch movable contact 223 and the rack structure transmission meshed gears 225 on switch movable contact 223, gear 225 is in transmission connection with the isolating switch operating mechanism in isolating switch room 16, the rotating kinetic energy of gear 225 enough drives switch movable contact 223 to move up and down, the lower end correspondence position of switch case 220 is provided with grounding contact 227, high-tension shielding ring 222 has been built in periphery also at switch movable contact in switch case 220, also middle fixed contact 226 is connected with by the spring touch finger be connected with switch movable contact 223 sliding conduction in switch case 220, middle fixed contact about 226 extends and is connected with line conductor 27 in the one end of stretching out switch case 220 and is connected with the conduction of switch movable contact to realize line conductor, line conductor 27 is connected with line cable 23, line conductor 27 is fixedly connected with post insulator 24, post insulator about 24 extends and its one end away from line conductor 27 is fixed on the insulator fixed mount 124 that is fixedly connected with cabinet, line conductor 27 is also connected with lightning arrester 25 in the lower end of post insulator.
Switch case 220 is fixed on cabinet central dividing plate 141, the level height place that switch case 220 inherence corresponds to central dividing plate 141 has built earth shield ring 224, breaker chamber 13 and isolating switch room 16 are separated by central dividing plate about 141, in breaker operation mechanism 14, level is extended with the power transmission shaft that the insulated tension pole for stretching out with three circuit breaker lower ends is in transmission connection, and power transmission shaft is positioned at the top of central dividing plate 141.
In use, breaker operation mechanism drives circuit breaker to be in "on" position, switch operation mechanism driving switch moving contact 223 is at above-below direction guiding movement, switch movable contact 223 move up contact with circuit breaker side leading-out terminal 214 time, by line cable and the leading-out terminal conducting of circuit breaker side, can now be positioned at conducting station; Move between its upper end and circuit breaker side leading-out terminal 214 at switch movable contact and have isolation fracture 29, when having ground connection fracture 28 between lower end and grounding contact, switch movable contact and circuit breaker side leading-out terminal and grounding contact all disconnect, and are now positioned at isolation station; Switch movable contact be moved downward to its lower end contact with grounding contact time, line cable and grounding contact conducting, be now positioned at ground connection station.
The embodiment two of switch cubicle of the present utility model: be with the difference of embodiment one, the switch movable contact of three station isolation grounding switchs realizes the switching of conducting station, isolation station and ground connection station by flip-flop movement, this three station grounding switchs are prior art, no longer specifically describe its structure herein.
The embodiment three of switch cubicle of the present utility model: be with the difference of embodiment one, the downside of leading-out terminal housing is provided with adpting flange, correspondingly, the upper end of three station isolation grounding switch housings is also provided with adpting flange, and leading-out terminal housing realizes insulated enclosure with three station isolation grounding switch housings by flange and is connected.
The embodiment four of switch cubicle of the present utility model: be with the difference of embodiment one, leading-out terminal housing is provided with the connected structure coordinated with switch case grafting in the one end deviating from arc control device, namely vertical with the moving direction of switch movable contact with three station isolation grounding switch housings with the bearing of trend of Shell of circuit breaker after three station isolation grounding switch socket connections at circuit breaker, now, circuit breaker be horizontally installed on three public I to the upper end of isolation earthing switch.
The embodiment five of switch cubicle of the present utility model: be with the difference of embodiment one, the lower position in Shell of circuit breaker is located at by the arc control device of circuit breaker, the upper end of arc control device is located in pull bar chamber, correspondingly, the power transmission shaft correspondence of breaker operation mechanism is located at the upper end of Shell of circuit breaker and each insulating pull rod for breaker that is in transmission connection, and circuit breaker end of incoming cables is positioned at the lower end of Shell of circuit breaker.
Switch cubicle of the present utility model adopts vacuum as arc-extinguishing medium, the mode of poured with epoxy resin is adopted breaker vacuum arc control device sealing to be got up formation pole, wherein vacuum interrupter can select on-load switch arc control device or arc-extinguishing chamber of circuit breaker as required, achieve secondary power distribution demand difference and structure is substantially identical, versatility is stronger, it also avoid the problem adopting sulfur hexafluoride gas to cause environmental pollution simultaneously, on the other hand, three station isolation grounding switchs are connected with circuit breaker side leading-out terminal the height reducing whole device, also the height of switch cubicle is just reduced, make whole switch cabinet structure compacter, circuit breaker adopts epoxy resin to build, three station isolation grounding switchs are also built by epoxy resin, both realize sealed insulation by connected structure grafting and connect, be convenient to realize modularized production and assembling, easy accessibility.
The embodiment one of circuit breaker of the present utility model: its concrete structure is identical with the breaker structure in above-mentioned switch cubicle embodiment, repeats no more herein.

Claims (7)

1. switch cubicle, comprise circuit breaker and three station isolation grounding switchs, circuit breaker has the Shell of circuit breaker of upper downward-extension, Shell of circuit breaker is provided with the circuit breaker side leading-out terminal that left and right extends, described circuit breaker side leading-out terminal is between arc control device and pull bar chamber, it is characterized in that, described circuit breaker side leading-out terminal is configured for conducting electricity with the switch movable contact of three station isolation grounding switchs at conducting station place the fixed contact be connected.
2. switch cubicle according to claim 1, is characterized in that, described switch movable contact rectilinear motion realize the switching of three stations along the vertical direction.
3. switch cubicle according to claim 1 and 2, it is characterized in that, Shell of circuit breaker comprises the leading-out terminal shell be around in outside the leading-out terminal of circuit breaker side be wholely set, downward-extension in the switch case of three station isolation grounding switchs and the upper end of switch case and the grafting of leading-out terminal body seal.
4. switch cubicle according to claim 1 and 2, it is characterized in that, the upper end of Shell of circuit breaker is provided with circuit breaker end of incoming cables, circuit breaker tie rod chamber is located at Shell of circuit breaker low inside and is put place, and described switch cubicle is also provided with the breaker operation mechanism for driving circuit-breaker switching on-off to move in the horizontal position corresponding to Shell of circuit breaker lower end.
5. switch cubicle according to claim 1 and 2, is characterized in that, on the switch movable contact of described three station isolation grounding switchs, sliding conduction is connected with the bonding conductor for connecting line cable, and bonding conductor is also connected with lightning arrester.
6. circuit breaker, comprise the Shell of circuit breaker of downward-extension, arc control device and pull bar chamber is provided with in described Shell of circuit breaker, described Shell of circuit breaker is provided with between arc control device and pull bar chamber the circuit breaker side leading-out terminal that left and right extends, it is characterized in that, described circuit breaker side leading-out terminal is configured for conducting electricity with the moving contact of three station isolation grounding switchs at conducting station place the fixed contact be connected.
7. circuit breaker according to claim 6, it is characterized in that, described Shell of circuit breaker comprises the leading-out terminal shell be around in outside the leading-out terminal of circuit breaker side be wholely set, and described leading-out terminal shell is provided with for sealing the connected structure of grafting with the switch case of three station isolation grounding switchs in the vertical direction.
CN201520538510.4U 2015-07-23 2015-07-23 Cubical switchboard and circuit breaker Active CN204967106U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520538510.4U CN204967106U (en) 2015-07-23 2015-07-23 Cubical switchboard and circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520538510.4U CN204967106U (en) 2015-07-23 2015-07-23 Cubical switchboard and circuit breaker

Publications (1)

Publication Number Publication Date
CN204967106U true CN204967106U (en) 2016-01-13

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Application Number Title Priority Date Filing Date
CN201520538510.4U Active CN204967106U (en) 2015-07-23 2015-07-23 Cubical switchboard and circuit breaker

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105119179A (en) * 2015-07-23 2015-12-02 平高集团有限公司 Switchgear and breaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105119179A (en) * 2015-07-23 2015-12-02 平高集团有限公司 Switchgear and breaker
CN105119179B (en) * 2015-07-23 2017-11-03 平高集团有限公司 A kind of switch cubicle and breaker

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