CN203631401U - Earthing switch for switch device - Google Patents
Earthing switch for switch device Download PDFInfo
- Publication number
- CN203631401U CN203631401U CN201320746450.6U CN201320746450U CN203631401U CN 203631401 U CN203631401 U CN 203631401U CN 201320746450 U CN201320746450 U CN 201320746450U CN 203631401 U CN203631401 U CN 203631401U
- Authority
- CN
- China
- Prior art keywords
- switch
- switchgear
- earthed switch
- switch device
- disconnecting link
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 claims abstract description 14
- 239000012212 insulator Substances 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/56—Gas reservoirs
- H01H33/565—Gas-tight sealings for moving parts penetrating into the reservoir
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
- H02B1/052—Mounting on rails
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H2033/6667—Details concerning lever type driving rod arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
- H02B1/36—Racks with withdrawable units
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/045—Details of casing, e.g. gas tightness
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Gas-Insulated Switchgears (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Trip Switchboards (AREA)
Abstract
The utility model discloses an earthing switch for a switch device. The earthing switch comprises a disconnecting link and an insulator which are connected. A disconnecting switch in the switch device, and an equipment outgoing circuit and an earthed circuit in the switch device are further independently connected through an L-shaped metal connection element. Compared with the prior art, the earthing switch provided in the utility model is especially used as the earthing switch for the switch device, in the condition of ensuring the equipment, the system and the personal safety, and besides satisfying the high requirements of a power system on the economy and reliability of the switch device, through the smart space design of the L-shaped metal connection element, not only the bus space clear distance requirement in the switch device can be satisfied, and but also the number of supporting column insulators, wires and other connection elements can be reduced, so the occupied size of the earthing switch in the switch device can be effectively reduced, so that the production material and space required by the switch device can be reduced, and the production cost of the switch device can be reduced.
Description
Technical field
The utility model relates to earthed switch, specifically, relates to the earthed switch for switchgear, belongs to electric equipment technical field.
Background technology
Along with greatly developing of power construction, electrical network covers constantly perfect, net capacity is also in continuous increase, take up an area the large shortcoming in space in order to solve power transmission system, common-tower double-return road parallel aerial ultra-high-tension power transmission line day by day increases, Capability Requirement to high voltage ground switch opening and closing induction current is more and more higher, and opening and closing induction current also becomes the special service conditions of one of high voltage ground switch.
Earthed switch is mainly used in switchgear and line maintenance, for preventing in maintenance process incoming call suddenly, during interruption maintenance by equipment ground, protection equipment, system and personal safety.Conventionally outlet is passed through to earthed switch shorted to earth, discharge completely, can not cause like this electric shock accidents being caused by misdelivery electricity or the anti-power transmission of circuit; Therefore must be by all ground connection of the two ends of checkout equipment.The earthed switch of high voltage power distributing cabinet, be generally output load side joint ground, in the time of our examination and repair for high-pressure power distribution cabinet load side, (as: fastening bolt, dismounting cable etc.) will disjunction cut off switch, the earthed switch of power distribution cabinet closes simultaneously, can prevent that like this incoming call causes electric shock accidents suddenly, can drain in addition residual charge, be conducive to maintenance safety.But the structure of existing earthed switch is larger, can not meet at present the economy of electric power system switching devices, the requirement that reliability is more and more higher.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model is to provide the earthed switch for switchgear, in the situation that guaranteeing equipment, system and personal safety, reduce the volume that earthed switch takies in switchgear, to meet the economy of electric power system switching devices, the requirement that reliability is more and more higher.For realizing above-mentioned utility model object, the utility model is provided for the earthed switch of switchgear, described earthed switch comprises disconnecting link and the insulator of connection, and what also independently connect respectively isolating switch, switchgear in described switchgear by a L-type metal connecting piece goes out device line and ground path.
Preferably, described L-type metal connecting piece is connected with the insulator of earthed switch.
More preferably, described L-type metal connecting piece with the connected mode of the insulator of earthed switch for being fixedly connected with.
Preferably, described L-type metal connecting piece comprises vertical component effect and horizontal part, and described horizontal part is connected with isolating switch, described vertical component effect respectively independently selectivity connecting valve equipment go out device line and ground path.
Preferably, described horizontal part is connected with the contact of isolating switch.
Preferably, respectively connecting insulator and disconnecting link successively of a side of described vertical component effect, and the opposite side of vertical component effect with go out device line and be connected.
Preferably, described vertical component effect is by being connected described ground path with disconnecting link.
Preferably, described disconnecting link comprises fixed part and movable part.
More preferably, the variation of the position relationship between described fixed part and movable part realizes the combined floodgate of described disconnecting link or opens a sluice gate.
Preferably, when described fixed part is vertical with movable part, disconnecting link closes a floodgate.
Preferably, when described fixed part is parallel with movable part, disconnecting link is opened a sluice gate.
Preferably, concrete distribution the on-fixed of the contact in described switchgear, can select according to the actual requirements.
In sum, compared with prior art, the earthed switch that the utility model provides, especially as the earthed switch for switchgear, in the situation that guaranteeing equipment, system and personal safety, decapacitation meets outside the requirement that economy, the reliability of electric power system switching devices is more and more higher, described earthed switch also and in switchgear, reduced one group of post insulator and wire and other connector being connected between isolating switch, reduce the volume that earthed switch takies in switchgear, thereby reduced switchgear material requested and taken up room.
Accompanying drawing explanation
The structural representation of the earthed switch that Fig. 1 provides for the utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing to the utility model do further in detail, intactly explanation.
Fig. 1 is the structural representation of earthed switch 2, as shown in Figure 1, earthed switch 2 can retain under the prerequisite of original function, by a L-type metal connecting piece 201 respectively independently in connecting valve equipment isolating switch, switchgear go out device line and ground path 4; Wherein, the horizontal part 2012 of L-type metal connecting piece 201 is connected with isolating switch, vertical component effect 2011 respectively independently selectivity connecting valve equipment go out device line and ground path 4.Be specially, horizontal part 2012 is connected with the contact 1 of isolating switch, a side of vertical component effect 2011 with go out device line and be connected, and the opposite side of vertical component effect 2011 connecting insulator 3 and disconnecting link 202 respectively from top to bottom; Described vertical component effect 2011 is by being communicated with and being connected described ground path 4 with disconnecting link 202.Described disconnecting link 202 comprises fixed part 2022 and movable part 2021, change in location between described fixed part 2022 and described movable part 2021 realizes the combined floodgate of described disconnecting link 202 or opens a sluice gate, in the time that described fixed part 2022 is parallel with described movable part 2021, described disconnecting link closes a floodgate; In the time that described fixed part 2022 is vertical with described movable part 2021, described disconnecting link is opened a sluice gate.
In the time that workman needs repair apparatus or system, the moving contact at the isolating switch pole two ends of switchgear is separated with corresponding fixed contact respectively, and isolating switch is opened a sluice gate, and switchgear is out of service, now fixed part 2022 is vertical with movable part 2021, and described disconnecting link 202 closes a floodgate; Be that contact 1 is connected with disconnecting link 202 by L-type metal connecting piece 201, and further by 4 one-tenth paths of movable part 2021 and ground path, can make like this electric current pass through ground path 4 flows out, drain the residual charge in circuit, can preventing in addition that suddenly incoming call causes carries out safety inspection by electric shock accidents.
After maintenance completes, by the moving contact at the isolating switch pole two ends of switchgear respectively with corresponding fixed contact closure, isolating switch closes a floodgate, be that isolating switch is channel status (in the time of breaker closing in switchgear in switchgear, further make equipment inner looping be channel status), now fixed part 2022 is parallel with movable part 2021, and described disconnecting link 202 is opened a sluice gate; Be that contact 1 opens circuit with disconnecting link 202, contact 1 is connected with insulator 3 by L-type metal connecting piece 201, simultaneously with go out device line and be connected, earthed switch 2 and switchgear open circuit, and switchgear inner looping becomes path, switchgear normally moves.
For the space clear distance between bus in assurance equipment conforms with the regulations (being not less than 125mm in air dielectric), when in prior art, conventional earthed switch does not have L-type metal connecting piece, need to be between earthed switch and contact multi-link one group of post insulator and wire, take volume larger, be unfavorable for economy; And the earthed switch that the utility model provides is by L-type metal connecting piece spatial design cleverly, both met the space clear distance requirement between bus in switchgear, reduce again the quantity of post insulator and wire and other connector, size and volume that earthed switch takies in switchgear are reduced, thereby reduce the required production material of switchgear and space, reduced the production cost of switchgear.
Finally be necessary described herein: above embodiment is only for being described in more detail the technical solution of the utility model; can not be interpreted as the restriction to the utility model protection range, some nonessential improvement that those skilled in the art makes according to foregoing of the present utility model and adjustment all belong to protection range of the present utility model.
Claims (7)
1. for the earthed switch of switchgear, it is characterized in that: described earthed switch comprises disconnecting link and the insulator of connection, what also independently connect respectively isolating switch, switchgear in described switchgear by a L-type metal connecting piece goes out device line and ground path.
2. the earthed switch for switchgear as claimed in claim 1, it is characterized in that: described L-type metal connecting piece comprises vertical component effect and horizontal part, described horizontal part is connected with isolating switch, described vertical component effect respectively independently selectivity connecting valve equipment go out device line and ground path.
3. the earthed switch for switchgear as claimed in claim 2, is characterized in that: described horizontal part is connected with the contact of isolating switch.
4. the earthed switch for switchgear as claimed in claim 2, is characterized in that: a side of described vertical component effect respectively connecting insulator and disconnecting link from top to bottom, and the opposite side of vertical component effect with go out device line and be connected.
5. the earthed switch for switchgear as claimed in claim 4, is characterized in that: described vertical component effect is by being connected described ground path with disconnecting link.
6. the earthed switch for switchgear as claimed in claim 5, is characterized in that: described disconnecting link comprises fixed part and movable part.
7. the earthed switch for switchgear as claimed in claim 6, is characterized in that: the position relationship between described fixed part and movable part changes to be realized the combined floodgate of described disconnecting link or opens a sluice gate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320746450.6U CN203631401U (en) | 2013-09-12 | 2013-11-18 | Earthing switch for switch device |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CN201310413947.0 | 2013-09-12 | ||
CN201310413947 | 2013-09-12 | ||
CN201320746450.6U CN203631401U (en) | 2013-09-12 | 2013-11-18 | Earthing switch for switch device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203631401U true CN203631401U (en) | 2014-06-04 |
Family
ID=50817853
Family Applications (20)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320746450.6U Expired - Lifetime CN203631401U (en) | 2013-09-12 | 2013-11-18 | Earthing switch for switch device |
CN201310598378.1A Active CN104037624B (en) | 2013-09-12 | 2013-11-18 | A kind of switch cabinet body |
CN201320725395.2U Expired - Fee Related CN203690782U (en) | 2013-09-12 | 2013-11-18 | Breaker assembly |
CN201710690065.7A Active CN107528250B (en) | 2013-09-12 | 2013-11-18 | Switch cabinet |
CN201711234690.7A Active CN107919628B (en) | 2013-09-12 | 2013-11-18 | Stepped movable support for switch cabinet |
CN201310680107.0A Active CN104037641B (en) | 2013-09-12 | 2013-11-18 | A kind of switch cubicle |
CN201320727984.4U Expired - Fee Related CN203632033U (en) | 2013-09-12 | 2013-11-18 | Heat radiation assembly for switchgear |
CN201310577024.9A Withdrawn CN104465195A (en) | 2013-09-12 | 2013-11-18 | Earthing switch for switch equipment |
CN201320724856.4U Expired - Fee Related CN203774640U (en) | 2013-09-12 | 2013-11-18 | Switch cabinet body |
CN201320750037.7U Expired - Fee Related CN203690768U (en) | 2013-09-12 | 2013-11-18 | Sealed type switch cabinet |
CN201320723692.3U Expired - Fee Related CN203859433U (en) | 2013-09-12 | 2013-11-18 | Switch cabinet |
CN201310573470.2A Active CN104051970B (en) | 2013-09-12 | 2013-11-18 | Heat dissipation component for switching equipment |
CN201310572157.7A Active CN104466765B (en) | 2013-09-12 | 2013-11-18 | A kind of switchgear moves stent with staged |
CN201310573695.8A Active CN104051975B (en) | 2013-09-12 | 2013-11-18 | Breaker assembly |
CN201320728034.3U Expired - Fee Related CN203632054U (en) | 2013-09-12 | 2013-11-18 | Step-type mobile support for switchgear |
CN201310572148.8A Active CN104037640B (en) | 2013-09-12 | 2013-11-18 | A kind of secret switch cabinet |
CN201320732312.2U Expired - Fee Related CN203859430U (en) | 2013-09-12 | 2013-11-19 | Interlocking assembly for switch cabinet |
CN201310585080.7A Active CN104037636B (en) | 2013-09-12 | 2013-11-19 | A kind of interlock assembly for switch cubicle |
CN201320825808.4U Expired - Fee Related CN203707049U (en) | 2013-09-12 | 2013-12-14 | Auxiliary member for circuit breaker |
CN201310684312.4A Active CN104051199B (en) | 2013-09-12 | 2013-12-14 | A kind of chopper auxiliary member |
Family Applications After (19)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310598378.1A Active CN104037624B (en) | 2013-09-12 | 2013-11-18 | A kind of switch cabinet body |
CN201320725395.2U Expired - Fee Related CN203690782U (en) | 2013-09-12 | 2013-11-18 | Breaker assembly |
CN201710690065.7A Active CN107528250B (en) | 2013-09-12 | 2013-11-18 | Switch cabinet |
CN201711234690.7A Active CN107919628B (en) | 2013-09-12 | 2013-11-18 | Stepped movable support for switch cabinet |
CN201310680107.0A Active CN104037641B (en) | 2013-09-12 | 2013-11-18 | A kind of switch cubicle |
CN201320727984.4U Expired - Fee Related CN203632033U (en) | 2013-09-12 | 2013-11-18 | Heat radiation assembly for switchgear |
CN201310577024.9A Withdrawn CN104465195A (en) | 2013-09-12 | 2013-11-18 | Earthing switch for switch equipment |
CN201320724856.4U Expired - Fee Related CN203774640U (en) | 2013-09-12 | 2013-11-18 | Switch cabinet body |
CN201320750037.7U Expired - Fee Related CN203690768U (en) | 2013-09-12 | 2013-11-18 | Sealed type switch cabinet |
CN201320723692.3U Expired - Fee Related CN203859433U (en) | 2013-09-12 | 2013-11-18 | Switch cabinet |
CN201310573470.2A Active CN104051970B (en) | 2013-09-12 | 2013-11-18 | Heat dissipation component for switching equipment |
CN201310572157.7A Active CN104466765B (en) | 2013-09-12 | 2013-11-18 | A kind of switchgear moves stent with staged |
CN201310573695.8A Active CN104051975B (en) | 2013-09-12 | 2013-11-18 | Breaker assembly |
CN201320728034.3U Expired - Fee Related CN203632054U (en) | 2013-09-12 | 2013-11-18 | Step-type mobile support for switchgear |
CN201310572148.8A Active CN104037640B (en) | 2013-09-12 | 2013-11-18 | A kind of secret switch cabinet |
CN201320732312.2U Expired - Fee Related CN203859430U (en) | 2013-09-12 | 2013-11-19 | Interlocking assembly for switch cabinet |
CN201310585080.7A Active CN104037636B (en) | 2013-09-12 | 2013-11-19 | A kind of interlock assembly for switch cubicle |
CN201320825808.4U Expired - Fee Related CN203707049U (en) | 2013-09-12 | 2013-12-14 | Auxiliary member for circuit breaker |
CN201310684312.4A Active CN104051199B (en) | 2013-09-12 | 2013-12-14 | A kind of chopper auxiliary member |
Country Status (1)
Country | Link |
---|---|
CN (20) | CN203631401U (en) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203631401U (en) * | 2013-09-12 | 2014-06-04 | 袁茂银 | Earthing switch for switch device |
DE102014219535A1 (en) * | 2014-09-26 | 2016-03-31 | Siemens Aktiengesellschaft | Kinematic chain for an electrical switching device and method for setting a relative distance of switching contact pieces |
CN104638555A (en) * | 2015-01-01 | 2015-05-20 | 袁茂银 | Box-type substation |
CN104538152A (en) * | 2015-01-01 | 2015-04-22 | 袁茂银 | Oil type transformer and application thereof |
CN105762693B (en) * | 2015-01-01 | 2020-08-14 | 袁茂银 | Novel box-type substation |
CN104577826B (en) * | 2015-01-01 | 2020-03-17 | 袁茂银 | Heat dissipation system for box-type substation and application thereof |
CN105762692B (en) * | 2015-01-01 | 2022-05-10 | 袁茂银 | Box-type substation |
CN104538879A (en) * | 2015-01-14 | 2015-04-22 | 黄河科技学院 | Box type fixed alternating-current metal-enclosed switchgear |
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CN105094255A (en) * | 2015-08-07 | 2015-11-25 | 温州市牟迪贸易有限公司 | Cabinet computer device capable of improving heat dissipation efficiency |
CN105005370A (en) * | 2015-08-07 | 2015-10-28 | 张健敏 | Hydraulic control and stable-running cabinet type computer network server device |
CN105159413A (en) * | 2015-08-07 | 2015-12-16 | 王启先 | Cabinet-type computer apparatus with noise reduction function |
CN105305280B (en) * | 2015-10-23 | 2018-08-28 | 株洲南车机电科技有限公司 | A kind of mining handcart-type high voltage vacuum switchgear cabinet |
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2013
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CN107528250B (en) | 2020-05-15 |
CN104466765B (en) | 2018-06-12 |
CN203859433U (en) | 2014-10-01 |
CN104466765A (en) | 2015-03-25 |
CN104051975A (en) | 2014-09-17 |
CN104051970A (en) | 2014-09-17 |
CN104051970B (en) | 2017-02-15 |
CN107919628B (en) | 2020-01-07 |
CN203774640U (en) | 2014-08-13 |
CN104037641B (en) | 2017-10-03 |
CN104051199A (en) | 2014-09-17 |
CN104037636A (en) | 2014-09-10 |
CN104037636B (en) | 2016-01-20 |
CN104465195A (en) | 2015-03-25 |
CN203632033U (en) | 2014-06-04 |
CN203632054U (en) | 2014-06-04 |
CN104037640A (en) | 2014-09-10 |
CN104037640B (en) | 2017-10-31 |
CN104037641A (en) | 2014-09-10 |
CN104037624B (en) | 2016-05-11 |
CN107528250A (en) | 2017-12-29 |
CN104051199B (en) | 2017-03-08 |
CN104037624A (en) | 2014-09-10 |
CN203690782U (en) | 2014-07-02 |
CN107919628A (en) | 2018-04-17 |
CN203690768U (en) | 2014-07-02 |
CN203707049U (en) | 2014-07-09 |
CN203859430U (en) | 2014-10-01 |
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Assignee: HUNAN GUOAO POWER EQUIPMENT Co.,Ltd. Assignor: Yuan Maoyin Contract record no.: 2014430000110 Denomination of utility model: Earthing switch for switch equipment Granted publication date: 20140604 License type: Exclusive License Record date: 20140626 |
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