CN106373821A - Double-break disconnector switch module - Google Patents
Double-break disconnector switch module Download PDFInfo
- Publication number
- CN106373821A CN106373821A CN201611010597.3A CN201611010597A CN106373821A CN 106373821 A CN106373821 A CN 106373821A CN 201611010597 A CN201611010597 A CN 201611010597A CN 106373821 A CN106373821 A CN 106373821A
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- Prior art keywords
- double
- pair
- contact
- fracture
- switch module
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- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000003068 static effect Effects 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 230000004308 accommodation Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims 1
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 9
- 238000002955 isolation Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/023—Base and stationary contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
-
- 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
- H01H33/42—Driving mechanisms
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A double-break disconnector switch module comprises a shell, double-break switch devices and driving mechanisms. The shell is internally provided with n closed cavities which are communicated in sequence, and each cavity is internally provided with a set of double-break switch devices and a set of driving mechanisms. Each double-break switch device includes a moving contact base, a pair of moving contacts and a pair of static contacts. Each moving contact base is arranged in the middle of the corresponding cavity. The static contacts in each pair are arranged at the two opposite sides of the corresponding moving contact base. The moving contacts in each pair are arranged inside the corresponding moving contact base and can extend out of the moving contact base from opposite directions to be in contact with the corresponding static contacts for cooperation. The moving contacts in each pair are driven by the corresponding driving mechanism to do reciprocating linear motion synchronously to be in contact with or separated from the corresponding static contacts at the same time. The moving contacts in each pair are in conducting connection with each other. The double-break switch devices in each cavity are synchronously separated or connected by the driving mechanisms. The advantage is that the double-break switch devices adopt a three-phase linkage mechanical transmission structure, and transmission is stable and reliable.
Description
Technical field
The present invention relates to the apparatus field of the current conversion station/transformer station of 220kv and above, more specifically, relate to
And double-fracture disconnecting switch module.
Background technology
Disconnecting switch (is commonly called as " disconnecting link "), generally referred to as high voltage isolator, and that is, rated voltage is in the isolation of more than 1kv
Switch, often referred to simply as disconnecting switch, is using a kind of most electrical equipment in high-voltage switch electric appliance, the operation principle of itself and
Relatively simple for structure, but because usage amount is big, functional reliability has high demands, to electric substation, the design of power plant, foundation and safety
The impact running is all larger.Disconnecting switch be mainly characterized by no arc extinguishing ability, can only divide in the case of there is no load current,
Close circuit.Disconnecting switch is used for each step voltage, and as changing circuit connection or making circuit or equipment and isolated from power, it does not break
Stream ability, can only operate after first being disconnected circuit with miscellaneous equipment again.The general connection carrying maloperation when preventing from switching on-load
Locking device is it is sometimes desirable to pin switchs to prevent from disconnecting under the magneticaction of big fault.
But the progress with power technology and the development of national economy, gis product commercially relies on self structure to account for
Ground area is little, and operation troubles rate is low, lightweight, non-maintaining etc., and a series of advantages are more and more applied.
At present from the point of view of each big main flow gis equipment manufacturer both at home and abroad extends the design of structure for standby spacing, standby expansion
Build and be spaced and run only one of which isolation fracture in the middle of bus, therefore carrying out the enlarging installation of gis standby spacing and joining resistance to
It is both needed to during pressure test carry out power failure process to former operation bus, it is to avoid the person that during abutting joint, isolation fracture discharge breakdown causes
Injury, prevents isolation fracture two ends during commissioning test to be reversely superimposed the equipment safety accident that overvoltage guiding discharge punctures simultaneously
Occur.For run unit, coordinate substation bus bar have a power failure mean the delay of project progress, the waste of manpower and materials with
And the direct or indirect economic loss brought that has a power failure.As roughly estimated, for a 500kv transformer station, have a power failure one day straight
Connect economic loss up to millions of units more than, more have some transformer stations, due to the particularity of upstream and downstream client, such as large-scale smelter
Factory, department of important government bodies etc., lead to the difficulty coordinating bus power failure high, have a strong impact on putting into operation the time of engineering, indirectly
Cause huge economic loss.Therefore at the project bid initial stage, a lot of owners are clear and definite in the technical specifications of gis: gis
Standby spacing design need to meet the requirement of not constantly running bus during gis extends in the later stage.
On traditional gis use single break disconnecting switch module (ds:disconnector switch) will not fit in
The demand of present industrial.
To sum up, for meeting the demand that the enlarging of gis interval is installed and do not stopped bus power failure when joining pressure test, it is badly in need of design
A kind of new disconnecting switch module, during realizing extending and when joining pressure test, former gis runs equipment and is not required to stop
Safe and stable, reliable switch module is provided, to meet the demand of enlarging that gis interval is not had a power failure in electric process.
Content of the invention
The purpose of the present invention is the shortcoming overcoming above-mentioned prior art, provide a kind of enable simultaneously, synchronous double break opens
Disconnecting switch module.
The present invention is achieved through the following technical solutions:
Double-fracture disconnecting switch module, including housing, double-fracture switching device, drive mechanism, is provided with n successively in housing
The airtight cavity of connection, is equipped with one group of double-fracture switching device, one group of drive mechanism in each cavity；Double-fracture switch dress
Put including movable contact block, a pair of moving contact and a pair of static contact；Movable contact block is located at the middle part of cavity；A pair of static contact sets respectively
Relative both sides in movable contact block；A pair of moving contact be located at movable contact block internal and can from relative direction stretch out movable contact block with right
The static contact answered is engaged, and a pair of moving contact is by the linear reciprocating motion with action synchronization for the drive mechanism, same with static contact
When contact or concurrently separate；A pair of moving contact mutual conduction；Double-fracture switching device in each cavity is real by drive mechanism
Existing synchroswitching or separating brake.
Bilateral isolation fracture divide-shut brake can be realized by double-fracture disconnecting switch module simultaneously,
As the improvement of scheme one, also include the grounding switch that is arranged on shell and be arranged on movable contact block surface and connect
The quiet side contact base of ground disconnecting link cooperation.
For ensureing mechanism's mechanical handling stability and reliability, double-fracture switching device and grounding switch respectively by two behaviour
Make mechanism controls action, this is designed with beneficial to optimization and simplifies switch operation sequential, it is to avoid maloperation.
As the improvement of scheme one, the one end deviating from static contact in moving contact is provided with axial arranged coordinating with drive mechanism
Tooth bar.
As the improvement of scheme three, moving contact is cylinder, is provided with l shape in the side deviating from static contact in radial direction and cuts
Mouthful, tooth bar is put down on the sagittal plane being located on l shape otch, and rack gear direction is axial consistent with moving contact.
As the improvement of scheme three, drive mechanism includes insulating driving rod, travelling gear, power transmission shaft, transmission insert；Pass
Moving axis is splined shaft；The shaft core position of transmission insert is provided with the spline blind hole with the periphery cooperation of splined shaft；Travelling gear
Shaft core position is provided with the spline through hole with the periphery cooperation of splined shaft, and the periphery of travelling gear is the external gear with tooth bar cooperation
Portion；A transmission insert is all coaxially fixed at the two ends of insulating driving rod, and the spline blind hole of transmission insert is outwardly；Travelling gear
It is located at the tooth bar cooperation of movable contact block inside and outer gear portion and a pair of moving contact；Power transmission shaft passes through the spline of travelling gear to lead to
Hole, power transmission shaft one end is connected with the transmission insert of insulating driving rod one end, and the other end is passed with the insulation of another group of drive mechanism
The transmission insert of lever one end connects.
Make double-fracture switching device stable, reliable by simply compact mechanical linkage structure.
As the improvement of scheme five, the material of insulating driving rod is epoxy resin.
As the improvement of scheme five, the material of travelling gear is 40cr.
As the improvement of scheme one, movable contact block includes movable contact block body and several spring contact；Movable contact block body
Inside be provided with inner chamber, be equipped with the pilot hole of a communication with cavity in the opposite sides of movable contact block body, pilot hole interior
Wall and the periphery cooperation of moving contact, are provided with the evenly distributed annular for installing spring contact of multiple axial directions in the inwall of pilot hole
Groove, each cannelure is corresponding to install a spring contact；Inner chamber and two pilot holes form the accommodating sky of accommodating a pair of moving contact
Between.
As the improvement of any one of scheme one to eight, movable contact block and static contact are all installed with housing by disc insulator
Together.
As the improvement of scheme nine, the material of movable contact block is cast aluminium zl101a-t6.
The method have the advantages that
1. double-fracture disconnecting switch module adopts three-phase ganged mechanical transmission structure, stable transmission, reliability.
2. expose the built-in drive mechanism design of connecting rod using nothing, strengthen the weatherability of product critical component, subtract simultaneously
Few transmission link, improves the division operation transmission efficiency of isolation switch.
Brief description
Fig. 1 is the schematic perspective view of the double-fracture disconnecting switch module of the present invention.
Fig. 2 is the main-vision surface sectional view of the double-fracture disconnecting switch module of the present invention.
Fig. 3 is a region close-up schematic view of Fig. 2.
Fig. 4 is the vertical view face sectional view of the double-fracture disconnecting switch module of the present invention.
Fig. 5 is the b region close-up schematic view of Fig. 4.
Description of reference numerals: 1, housing；2nd, drive mechanism；3rd, cavity；4th, movable contact block；5th, moving contact；6th, static contact；7、
Grounding switch；8th, quiet side contact base；9th, tooth bar；10th, l shape otch；11st, edge drive link；12nd, travelling gear；13rd, power transmission shaft；14、
Transmission insert；15th, spline blind hole；16th, spline through hole；17th, outer gear portion；18th, spring contact；19th, movable contact block body；
20th, inner chamber；21st, pilot hole；22nd, cannelure；23rd, disc insulator.
Specific embodiment
As shown in Figures 1 to 5, double-fracture disconnecting switch module, including housing 1, double-fracture switching device, drive mechanism 2,
Be provided with three airtight cavitys 3 being sequentially communicated in housing 1, be equipped with each cavity 3 one group of double-fracture switching device, one group
Drive mechanism 2；Double-fracture switching device includes movable contact block 4, a pair of moving contact 5 and a pair of static contact 6；Movable contact block 4 is located at
The middle part of cavity 3；A pair of static contact 6 is respectively provided at the relative both sides of movable contact block 4；A pair of moving contact 5 is located in movable contact block 4
Portion and can stretch out movable contact block 4 from relative direction and be engaged with corresponding static contact 6, a pair of moving contact 5 passes through drive mechanism 2
With the synchronous linear reciprocating motion of action, contact with static contact 6 simultaneously or concurrently separate；A pair of moving contact 5 mutual conduction；Each
Double-fracture switching device in cavity 3 realizes synchroswitching or separating brake by drive mechanism 2.
Double-fracture disconnecting switch module also includes the grounding switch 7 being arranged on housing 1 and is arranged on movable contact block 4 surface
Quiet side contact base 8 with grounding switch 7 cooperation.
The one end deviating from static contact 6 in moving contact 5 is provided with the axial arranged tooth bar 9 with drive mechanism 2 cooperation.Moving contact
5 is cylinder, is provided with l shape otch 10 in the side deviating from static contact 6 in radial direction, tooth bar 9 is flat to be located on l shape otch 10
On sagittal plane, tooth bar 9 transmission direction is axial consistent with moving contact 5.
Drive mechanism 2 includes insulating driving rod 11, travelling gear 12, power transmission shaft 13, transmission insert 14；Power transmission shaft 13 is
Splined shaft；The shaft core position of transmission insert 14 is provided with the spline blind hole 15 with the periphery cooperation of power transmission shaft 13；Travelling gear 12
Shaft core position be provided with spline through hole 16 with the cooperation of the periphery of power transmission shaft 13, the periphery of travelling gear 12 is to coordinate with tooth bar 9
Outer gear portion 17；A transmission insert 14, the spline of transmission insert 14 are all coaxially fixed in the two ends of insulating driving rod 11
Blind hole 15 is outwardly；Travelling gear 12 is located at movable contact block 4 inside and outer gear portion 17 is coordinated with the tooth bar 9 of a pair of moving contact 5；Pass
Moving axis 13 passes through the transmission insert 14 of the spline through hole 16 of travelling gear 12, power transmission shaft 13 one end and insulating driving rod 11 one end
Connect, the other end is connected with the transmission insert 14 of insulating driving rod 11 one end of another group of drive mechanism 2.Insulating driving rod 11
Material be epoxy resin.The material of travelling gear 12 is 40cr.
Movable contact block 4 includes movable contact block body 19 and several spring contact 18；The inside of movable contact block body 19 is provided with
Inner chamber 20, is equipped with the pilot hole 21 of a communication with cavity 20 in the opposite sides of movable contact block body 19, pilot hole 21 interior
The periphery cooperation of wall and moving contact 5, the inwall of pilot hole 21 be provided with multiple axial directions evenly distributed for installing spring contact 18
Cannelure 22, each cannelure 22 is corresponding to install a spring contact 18；Inner chamber 20 and two pilot holes 21 form accommodating one
Accommodation space to moving contact 5.Two moving contacts 5 allow the one end with tooth bar 9 insert corresponding pilot hole 21 respectively, and two are moved
The tooth bar 9 of contact 5 is engaged with the outer gear portion 17 of travelling gear 12 respectively, and moving contact 5 deviates from the periphery of one end of tooth bar 9 and leads
Contact to the cooperation of hole 21 inwall and with spring contact 18, moving contact 5 is driven in the axis side of pilot hole 21 by travelling gear 12
To doing reciprocating linear motion.
Movable contact block 4 is all installed together with housing 1 by disc insulator 23 with static contact 6.The material of movable contact block 4
For cast aluminium zl101a-t6.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment simultaneously is not used to limit this
Bright the scope of the claims, all equivalence enforcements done without departing from the present invention or change, are intended to be limited solely by the scope of the claims of this case.
Claims (10)
1. double-fracture disconnecting switch module it is characterised in that: include housing, double-fracture switching device, drive mechanism, described shell
Be provided with the airtight cavity that n is sequentially communicated in vivo, be equipped with each described cavity one group of double-fracture switching device, one group
Drive mechanism；
Described double-fracture switching device includes movable contact block, a pair of moving contact and a pair of static contact；Described movable contact block sets
Middle part in described cavity；A pair of described static contact is respectively provided at the relative both sides of described movable contact block；Described one
Moving contact is located inside described movable contact block and movable contact block can be stretched out and contact with corresponding static contact from relative direction and join
Close, a pair of described moving contact, by the linear reciprocating motion with action synchronization for the drive mechanism, is contacted with static contact or same simultaneously
When separate；A pair of described moving contact mutual conduction；
Double-fracture switching device in each described cavity realizes synchroswitching or separating brake by drive mechanism.
2. double-fracture disconnecting switch module according to claim 1 it is characterised in that: also include being arranged on connecing on shell
Ground disconnecting link and the quiet side contact base being arranged on movable contact block surface and grounding switch cooperation.
3. double-fracture disconnecting switch module according to claim 1 it is characterised in that: deviate from stationary contact in described moving contact
One end of head is provided with the tooth bar of axial arranged and described drive mechanism cooperation.
4. double-fracture disconnecting switch module according to claim 3 it is characterised in that: described moving contact be cylinder,
It is provided with l shape otch in the side deviating from static contact in radial direction, the sagittal plane being located on l shape otch put down by described tooth bar
On, rack gear direction is axial consistent with moving contact.
5. double-fracture disconnecting switch module according to claim 3 it is characterised in that: described drive mechanism include insulate
Drive link, travelling gear, power transmission shaft, transmission insert；Described power transmission shaft is splined shaft；The axle center of described transmission insert
Position is provided with the spline blind hole with the periphery cooperation of splined shaft；The shaft core position of described travelling gear is provided with outer with splined shaft
The spline through hole of Zhou Peihe, the periphery of travelling gear is the outer gear portion with the cooperation of described tooth bar；Described insulating driving rod
Two ends all coaxially fix a transmission insert, the spline blind hole of described transmission insert is outwardly；Described travelling gear
It is located at the tooth bar cooperation of described movable contact block inside and described outer gear portion and a pair of moving contact；Described power transmission shaft passes through
The spline through hole of travelling gear, described power transmission shaft one end is connected with the transmission insert of insulating driving rod one end, the other end with
The transmission insert of insulating driving rod one end of another group of drive mechanism connects.
6. double-fracture disconnecting switch module according to claim 5 it is characterised in that: the material of described insulating driving rod
For epoxy resin.
7. double-fracture disconnecting switch module according to claim 5 it is characterised in that: the material of described travelling gear is
40cr.
8. double-fracture disconnecting switch module according to claim 1 it is characterised in that: described movable contact block includes dynamic touching
Headstock body and several spring contact；The inside of described movable contact block body is provided with inner chamber, relative in movable contact block body
Both sides are equipped with the pilot hole of a communication with cavity, and the described inwall of pilot hole is coordinated with the periphery of described moving contact,
The inwall of pilot hole is provided with the evenly distributed cannelure for installing spring contact of multiple axial directions, and each cannelure corresponds to installation one
Individual spring contact；Described inner chamber and two pilot holes form the accommodation space of accommodating a pair of moving contact.
9. the double-fracture disconnecting switch module according to any one of claim 1 to 8 it is characterised in that: described moving contact
Seat is all installed together with housing by disc insulator with static contact.
10. double-fracture disconnecting switch module according to claim 9 it is characterised in that: the material of described movable contact block
For cast aluminium zl101a-t6.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611010597.3A CN106373821A (en) | 2016-11-17 | 2016-11-17 | Double-break disconnector switch module |
| DE202017105435.7U DE202017105435U1 (en) | 2016-11-17 | 2017-04-12 | Disconnector module with double break |
| PCT/CN2017/080205 WO2018090548A1 (en) | 2016-11-17 | 2017-04-12 | Double-break isolated switch module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611010597.3A CN106373821A (en) | 2016-11-17 | 2016-11-17 | Double-break disconnector switch module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106373821A true CN106373821A (en) | 2017-02-01 |
Family
ID=57890951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611010597.3A Pending CN106373821A (en) | 2016-11-17 | 2016-11-17 | Double-break disconnector switch module |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN106373821A (en) |
| DE (1) | DE202017105435U1 (en) |
| WO (1) | WO2018090548A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068470A (en) * | 2016-11-14 | 2017-08-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of double-fracture disconnecting switch that there is ground connection to link |
| WO2018090549A1 (en) * | 2016-11-17 | 2018-05-24 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Ultra-high-voltage power line disconnector |
| WO2018090548A1 (en) * | 2016-11-17 | 2018-05-24 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Double-break isolated switch module |
| CN108933065A (en) * | 2018-06-20 | 2018-12-04 | 国网山东省电力公司滨州市沾化区供电公司 | A kind of dc circuit breaker separating brake structure |
| CN112038156A (en) * | 2020-06-22 | 2020-12-04 | 平高集团有限公司 | Double-fracture isolating switch and high-voltage line connecting structure |
| CN117373863A (en) * | 2023-12-04 | 2024-01-09 | 昇辉新能源有限公司 | Circuit breaker switch |
| CN118942952A (en) * | 2024-10-15 | 2024-11-12 | 古桥电力科技有限公司 | A two-station double-break isolating switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766829B (en) * | 2018-06-07 | 2025-01-21 | 江苏南瑞恒驰电气装备有限公司 | A transmission structure of GIS electric operating mechanism |
| CN109286140A (en) * | 2018-10-31 | 2019-01-29 | 益和电气集团股份有限公司 | A double busbar high voltage switch cabinet |
| CN109637883B (en) * | 2018-11-19 | 2024-06-28 | 珠海许继电气有限公司 | Switching device |
| CN111122662B (en) * | 2020-01-17 | 2024-06-04 | 福州大学 | Linear motor-based contact material simulation test device and working method thereof |
| CN111192784B (en) * | 2020-02-24 | 2025-03-04 | 正泰电气股份有限公司 | A three-position isolating grounding switch |
| CN112635230B (en) * | 2020-10-21 | 2023-03-31 | 平高集团有限公司 | Circuit breaker and double-acting arc extinguishing chamber |
| CN112466701B (en) * | 2020-11-13 | 2024-03-26 | 许继（厦门）智能电力设备股份有限公司 | Double-break linkage type three-station isolation grounding switch structure |
| CN113506701A (en) * | 2021-07-23 | 2021-10-15 | 现代重工(中国)电气有限公司 | A segmented insulated drive shaft for isolating switch |
| CN114446705B (en) * | 2022-02-16 | 2023-08-11 | 广东电网有限责任公司 | Synchronous circuit breaker |
| CN114743813B (en) * | 2022-05-09 | 2024-10-29 | 南通伯林环保科技有限公司 | Disconnecting link operating mechanism box with high false touch prevention safety |
| CN115410858B (en) * | 2022-10-17 | 2025-04-18 | 西安西电开关电气有限公司 | A double-break isolating switch |
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| CN106373820A (en) * | 2016-11-14 | 2017-02-01 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Double-break disconnector switch module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107068470A (en) * | 2016-11-14 | 2017-08-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of double-fracture disconnecting switch that there is ground connection to link |
| WO2018086456A1 (en) * | 2016-11-14 | 2018-05-17 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Double-break isolating switch having grounding linkage |
| WO2018090549A1 (en) * | 2016-11-17 | 2018-05-24 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Ultra-high-voltage power line disconnector |
| WO2018090548A1 (en) * | 2016-11-17 | 2018-05-24 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Double-break isolated switch module |
| CN108933065A (en) * | 2018-06-20 | 2018-12-04 | 国网山东省电力公司滨州市沾化区供电公司 | A kind of dc circuit breaker separating brake structure |
| CN112038156A (en) * | 2020-06-22 | 2020-12-04 | 平高集团有限公司 | Double-fracture isolating switch and high-voltage line connecting structure |
| CN112038156B (en) * | 2020-06-22 | 2023-02-17 | 平高集团有限公司 | Double-break isolating switch and high-voltage line connection structure |
| CN117373863A (en) * | 2023-12-04 | 2024-01-09 | 昇辉新能源有限公司 | Circuit breaker switch |
| CN117373863B (en) * | 2023-12-04 | 2024-03-29 | 昇辉新能源有限公司 | Circuit breaker switch |
| CN118942952A (en) * | 2024-10-15 | 2024-11-12 | 古桥电力科技有限公司 | A two-station double-break isolating switch |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202017105435U1 (en) | 2017-10-20 |
| WO2018090548A1 (en) | 2018-05-24 |
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Application publication date: 20170201 |