CN110459420A - It is a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration - Google Patents
It is a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration Download PDFInfo
- Publication number
- CN110459420A CN110459420A CN201910687656.8A CN201910687656A CN110459420A CN 110459420 A CN110459420 A CN 110459420A CN 201910687656 A CN201910687656 A CN 201910687656A CN 110459420 A CN110459420 A CN 110459420A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- vacuum circuit
- circuit breaker
- shaft
- main shaft
- 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.)
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Links
- 230000010354 integration Effects 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000003447 ipsilateral effect Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 7
- 230000033001 locomotion Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
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
- H01H33/46—Interlocking mechanisms
- H01H33/52—Interlocking mechanisms for interlocking two or more switches
-
- 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
-
- 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
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention provides a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration, including the first vacuum circuit breaker, the second vacuum circuit breaker, first connecting rod and second connecting rod, first vacuum circuit breaker is after manually or electrically closing a floodgate, first main axis drives first connecting rod to eject upwards, it is moved to the second unlock mandril position, it is set to be unable to complete unlocking motion, the second vacuum circuit breaker can not close a floodgate.Second vacuum circuit breaker constructions are identical with the first vacuum circuit breaker constructions, after combined floodgate, the first vacuum circuit breaker can be prevented to close a floodgate by identical process.It is provided by the invention a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration, avoid the defect that the chain scheme of current electric appliance generates maloperation because of electronic component failure or Overstroke instruction failure, it fully ensures that two one separating brakes of combined floodgate of vacuum circuit breakers one, ensure that the safety peace of route is leaned on.
Description
Technical field
The present invention relates to vacuum circuit breaker field, in particular to it is a kind of with mechanical interlocked integration it is dedicated in
Press double-power supply switching device.
Background technique
Dual-power device is generally made of two vacuum circuit breakers, and in this Dual-power device, regular situation is two
Breaker uses electrical interlocks.Specifically, in addition a breaker cannot close a floodgate after a breaker closing.But it remains to
It carries out that the mesh of complete No switching on can not be reached to the feed motion of an other breaker by external manual manipulation
's.
Meanwhile because electronic component such as contact will appear failure phenomenon or Overstroke instruction failure occurs now
As, it is also possible to so that entire electrical interlocks scheme is failed and is caused to malfunction, also allows for closing a floodgate one point for two breakers one
The control of lock is failed.
Summary of the invention
In consideration of it, the present invention provides a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration, adopt
Traditional electrical interlocks scheme is replaced with connecting rod scheme, when wherein a breaker is in "on" position, an in addition open circuit
Device is only capable of in separating brake or energy storage state, and without can be carried out closing operation, i.e. two breakers cannot close a floodgate simultaneously completely, thus
Ensure the safe and reliable of route.
The present invention provides a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration, comprising:
First vacuum circuit breaker comprising the first driving mechanism, the first main shaft, the first spring mechanism and first rotating shaft, the
One driving mechanism drives the first main axis, and the first main shaft compresses the first spring mechanism, and the end of first rotating shaft is equipped with first
Unlock mandril；
It is set with mutually isostructural second vacuum circuit breaker of the first vacuum circuit breaker, and the first vacuum circuit breaker turned upside down
It sets, the second vacuum circuit breaker includes the second driving mechanism, the second main shaft, second spring mechanism and the second shaft, the second driving machine
Structure drives the second main axis, and the second main shaft compresses second spring mechanism, and the end of the second shaft is equipped with the second unlock mandril；
First connecting rod, bias are connected in the first end of the first main shaft, and the free end of first connecting rod to first end
One second ipsilateral unlock mandril extends, and constitutes between first connecting rod, the second unlock mandril, the second shaft and the first main shaft U-shaped
Structure；
Second connecting rod, bias are connected in the second end of the second main shaft, and second end and the third end of the first main shaft are ipsilateral,
Third end and first end are located at the opposite end in the axial direction of the first main shaft, and the free end of second connecting rod is to same with second end
One first unlock mandril of side extends, and constitutes U-shaped knot between second connecting rod, the first unlock mandril, first rotating shaft and the second main shaft
Structure.
Further, the first cam bit is installed, first connecting rod connects first cam in the first end of the first main shaft
Piece.
Further, it is fixedly installed with the first spacing mandril on the free end of first connecting rod, perpendicular to first connecting rod.
Further, the second cam bit is installed, second connecting rod connects second cam in the second end of the second main shaft
Piece.
Further, it is fixedly installed with the second spacing mandril on the free end of second connecting rod, perpendicular to second connecting rod.
Further, the first driving mechanism includes first motor, first gear pair, the first transmission shaft, the first driving chain,
First motor drives the rotation of first gear pair, and first gear pair drives the rotation of the first transmission shaft, and the first transmission shaft is passed by first
Dynamic the first main axis of chain drive.
Further, the first transmission axis connection first handle, first handle drive the rotation of the first transmission shaft.
Further, the second driving mechanism includes the second motor, second gear pair, second driving shaft, the second driving chain,
The rotation of second motor driven second gear pair, second gear pair drive second driving shaft rotation, and second driving shaft is passed by second
Dynamic the second main axis of chain drive.
Further, second driving shaft connects second handle, and second handle drives second driving shaft rotation.
Further, with the side for stacking combination of turning upside down between the first vacuum circuit breaker and second vacuum circuit breaker
Formula is installed.
It is provided by the present invention a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration, including first
Vacuum circuit breaker, the second vacuum circuit breaker, first connecting rod and second connecting rod, the first vacuum circuit breaker are manually or electrically closing a floodgate it
Afterwards, the first main axis drives first connecting rod to eject upwards, is moved to the second unlock mandril position, so that it is unable to complete unlock dynamic
Make, i.e., the second vacuum circuit breaker can not close a floodgate.Second vacuum circuit breaker constructions are identical with the first vacuum circuit breaker constructions, close
After lock, the first vacuum circuit breaker can be prevented to close a floodgate by identical process.
It is provided by the invention a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration, it avoids current
The chain scheme of electric appliance generates the defect of maloperation because of electronic component failure or Overstroke instruction failure, fully ensures that two
One separating brake of combined floodgate of vacuum circuit breaker one ensure that the safety peace of route is leaned on.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is that a kind of switch with the mechanical interlocked dedicated middle pressure dual power supply of integration that embodiment provides in the present invention fills
The structural schematic diagram set；
Fig. 2 is that a kind of switch with the mechanical interlocked dedicated middle pressure dual power supply of integration that embodiment provides in the present invention fills
Set the structural schematic diagram under "on" position；
Fig. 3 is that a kind of switch with the mechanical interlocked dedicated middle pressure dual power supply of integration that embodiment provides in the present invention fills
Set the structural schematic diagram under gate-dividing state；
Fig. 4 is that a kind of switch with the mechanical interlocked dedicated middle pressure dual power supply of integration that embodiment provides in the present invention fills
The the first vacuum circuit breaker constructions schematic diagram set.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Embodiment one
Referring to Fig. 1 to Fig. 4, shown in figure provided in an embodiment of the present invention a kind of dedicated with mechanical interlocked integration
Middle pressure double-power supply switching device, comprising:
First vacuum circuit breaker 1 comprising the first driving mechanism 11, the first main shaft 12, the first spring mechanism 13 and first
Shaft 14, the first driving mechanism 11 drive the first main axis 12, and the first main shaft 12 compresses the first spring mechanism 13, first rotating shaft
14 end is equipped with the first unlock mandril 15；
It is fallen with mutually isostructural second vacuum circuit breaker 2 of the first vacuum circuit breaker 1, and the first about 1 vacuum circuit breaker
It installs, the second vacuum circuit breaker 2 includes the second driving mechanism 21, the second main shaft 22, second spring mechanism 23 and the second shaft
24, the second driving mechanism 21 drives the rotation of the second main shaft 22, and the second main shaft 22 compresses second spring mechanism 23, the second shaft 24
End is equipped with the second unlock mandril 25；
First connecting rod 3, bias are connected in the first end 121 of the first main shaft 12, and the free end of first connecting rod 3 to
One second ipsilateral unlock mandril 25 of first end 121 extends, and first connecting rod 3, second unlocks mandril 25, the second shaft 24 and first
U-shaped structure is constituted between main shaft 12；
Second connecting rod 4, bias are connected in the second end 221 of the second main shaft 22, second end 221 and the first main shaft 12
Third end 122 is ipsilateral, and third end 122 and first end 121 are located at the opposite end in the axial direction of the first main shaft 12, and second connects
The free end of bar 4 extends to the one first unlock mandril 15 ipsilateral with second end 221, the unlock of second connecting rod 4, first mandril 15,
U-shaped structure is constituted between first rotating shaft 14 and the second main shaft 22.
Specifically, being equipped with the first cam bit 16 in the first end 121 of the first main shaft 12 referring to Fig. 1 to Fig. 4, first connects
Bar 3 connects the first cam bit 16.
Specifically, being equipped with the second cam bit 26 in the second end 221 of the second main shaft 22 referring to Fig. 1 to Fig. 4, second connects
Bar 4 connects the second cam bit 26.
Specifically, the first transmission shaft 113 connects first handle 115, the driving of first handle 115 first referring to Fig. 1 to Fig. 4
Transmission shaft 113 rotates.
Specifically, second driving shaft 213 connects second handle 215, the driving of second handle 215 second referring to Fig. 1 to Fig. 4
Transmission shaft 213 rotates.
Specifically, referring to Fig. 1 to Fig. 4, it is folded to turn upside down between the first vacuum circuit breaker 1 and the second vacuum circuit breaker 2
The mode for putting combination is installed.
It is provided by the present invention a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration, including first
Vacuum circuit breaker, the second vacuum circuit breaker, first connecting rod and second connecting rod, the first vacuum circuit breaker are manually or electrically closing a floodgate it
Afterwards, the first main axis drives first connecting rod to eject upwards, is moved to the second unlock mandril position, so that it is unable to complete unlock dynamic
Make, the second vacuum circuit breaker can not close a floodgate.Second vacuum circuit breaker constructions are identical with the first vacuum circuit breaker constructions, close a floodgate
Later, the first vacuum circuit breaker can be prevented to close a floodgate by identical process.
It is provided by the invention a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration, it avoids current
The chain scheme of electric appliance generates the defect of maloperation because of electronic component failure or Overstroke instruction failure, fully ensures that two
One separating brake of combined floodgate of vacuum circuit breaker one ensure that the safety peace of route is leaned on.
Embodiment two:
Referring to Fig. 1 to Fig. 4, shown in figure provided by Embodiment 2 of the present invention a kind of special with mechanical interlocked integration
With middle pressure double-power supply switching device, the present embodiment is also further made that following be used as changes on the basis of the various embodiments described above
Into technical solution: the first spacing mandril 31 is fixedly installed on the free end of first connecting rod 3, perpendicular to first connecting rod 3.The
The second spacing mandril 41 is fixedly installed on the free end of two connecting rods 4, perpendicular to second connecting rod 4.
Spacing mandril, simple structure, highly effective limit is fixedly mounted in the free end of first connecting rod and second connecting rod
The rotation for having made unlock mandril hinders it to complete unlocking motion.
Embodiment three:
Referring to Fig. 1 to Fig. 4, a kind of special with mechanical interlocked integration of the offer of the embodiment of the present invention three is shown in figure
With middle pressure double-power supply switching device, the present embodiment is also further made that following be used as changes on the basis of the various embodiments described above
Into technical solution: the first driving mechanism 11 include first motor 111, first gear pair 112, the first transmission shaft 113, first pass
Dynamic chain 114, first motor 111 drive first gear pair 112 to rotate, and first gear pair 112 drives 113 turns of the first transmission shaft
Dynamic, the first transmission shaft 113 drives the rotation of the first main shaft 12 by the first driving chain 114.
Second driving mechanism 21 includes the second motor 211, second gear pair 212, second driving shaft 213, the second transmission chain
Item 214, the second motor 211 drive the second gear pair 212 to rotate, 212 213 turns of second driving shaft of the driving of second gear pair
Dynamic, second driving shaft 213 drives the rotation of the second main shaft 22 by the second driving chain 214.
Other than closing by hand, the present apparatus can also be closed a floodgate using motor-driven mode, with the first driving machine
For structure, first motor drives the rotation of first gear pair, and first gear pair drives the rotation of the first transmission shaft, and the first transmission shaft passes through
First driving chain drives the first main axis, and driving first connecting rod rises while the first main axis accumulation of energy, hinders second
Unlock mandril is unlocked movement.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration characterized by comprising
First vacuum circuit breaker (1) comprising the first driving mechanism (11), the first main shaft (12), the first spring mechanism (13) and
First rotating shaft (14), first driving mechanism (11) drive the first main shaft (12) rotation, the first main shaft (12) pressure
It contracts first spring mechanism (13), the end of the first rotating shaft (14) is equipped with the first unlock mandril (15)；
With mutually isostructural second vacuum circuit breaker (2) of first vacuum circuit breaker (1), and first vacuum circuit breaker
(1) turned upside down is arranged, and second vacuum circuit breaker (2) includes the second driving mechanism (21), the second main shaft (22), the second bullet
Spring mechanism (23) and the second shaft (24), second driving mechanism (21) drive the second main shaft (22) rotation, and described the
Two main shafts (22) compress the second spring mechanism (23), and the end of second shaft (24) is equipped with the second unlock mandril
(25)；
First connecting rod (3), bias is connected in the first end (121) of first main shaft (12), and the first connecting rod (3)
Free end to the first end (121) it is ipsilateral one it is described second unlock mandril (25) extend, the first connecting rod (3),
U-shaped structure is constituted between second unlock mandril (25), second shaft (24) and first main shaft (12)；
Second connecting rod (4), bias are connected in the second end (221) of second main shaft (22), the second end (221) with
The third end (122) of first main shaft (12) is ipsilateral, and the third end (122) and the first end (121) are located at institute
State the opposite end in the axial direction of the first main shaft (12), the free end of the second connecting rod (4) is to same with the second end (221)
First unlock mandril (15) of the 1 of side extends, the second connecting rod (4), first unlock mandril (15), described first
U-shaped structure is constituted between shaft (14) and second main shaft (22).
2. it is according to claim 1 a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration, it is special
Sign is, is equipped with the first cam bit (16) in the first end (121) of first main shaft (12), and the first connecting rod (3) is even
Connect first cam bit (16).
3. it is according to claim 1 or 2 a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration,
It is characterized in that, the first spacing mandril (31) is fixedly installed on the free end of the first connecting rod (3), perpendicular to described first
Connecting rod (3).
4. it is according to claim 1 a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration, it is special
Sign is, is equipped with the second cam bit (26) in the second end (221) of second main shaft (22), and the second connecting rod (4) is even
Connect second cam bit (26).
5. it is according to claim 1 or 4 a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration,
It is characterized in that, the second spacing mandril (41) is fixedly installed on the free end of the second connecting rod (4), perpendicular to described second
Connecting rod (4).
6. it is according to claim 1 a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration, it is special
Sign is, first driving mechanism (11) include first motor (111), first gear secondary (112), the first transmission shaft (113),
First driving chain (114), the first motor (111) drive the first gear secondary (112) rotation, the first gear pair
(112) the first transmission shaft (113) rotation is driven, first transmission shaft (113) passes through first driving chain (114)
First main shaft (12) is driven to rotate.
7. it is according to claim 6 a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration, it is special
Sign is that first transmission shaft (113) connects first handle (115), first handle (115) driving first transmission
Axis (113) rotation.
8. it is according to claim 1 a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration, it is special
Sign is, second driving mechanism (21) include the second motor (211), second gear secondary (212), second driving shaft (213),
Second driving chain (214), second motor (211) drive the second gear secondary (212) rotation, the second gear pair
(212) second driving shaft (213) rotation is driven, the second driving shaft (213) passes through second driving chain (214)
Second main shaft (22) is driven to rotate.
9. it is according to claim 8 a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration, it is special
Sign is that the second driving shaft (213) connects second handle (215), second handle (215) driving second transmission
Axis (213) rotation.
10. it is according to claim 1 a kind of with the mechanical interlocked dedicated middle pressure double-power supply switching device of integration, it is special
Sign is, with the side for stacking combination of turning upside down between first vacuum circuit breaker (1) and second vacuum circuit breaker (2)
Formula is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910687656.8A CN110459420B (en) | 2019-07-29 | 2019-07-29 | Special medium-voltage dual-power switching device with mechanical interlocking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910687656.8A CN110459420B (en) | 2019-07-29 | 2019-07-29 | Special medium-voltage dual-power switching device with mechanical interlocking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110459420A true CN110459420A (en) | 2019-11-15 |
| CN110459420B CN110459420B (en) | 2024-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910687656.8A Active CN110459420B (en) | 2019-07-29 | 2019-07-29 | Special medium-voltage dual-power switching device with mechanical interlocking function |
Country Status (1)
| Country | Link |
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| CN (1) | CN110459420B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114400165A (en) * | 2021-12-31 | 2022-04-26 | 深圳市瑞智电力股份有限公司 | Dual-power transfer switch and operating system thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100854384B1 (en) * | 2007-03-08 | 2008-08-26 | 엘에스산전 주식회사 | An automatic discharging apparatus for a closing spring of an air circuit breaker and an air circuit breaker with the apparatus |
| KR101036989B1 (en) * | 2009-12-23 | 2011-05-26 | 엘에스산전 주식회사 | Interlock apparatus of ground switch for vacuum circuit breaker |
| CN103036168A (en) * | 2012-11-30 | 2013-04-10 | 天水长城开关厂有限公司 | Handcart interlocking structure used for large current circuit breaker |
| CN103456558A (en) * | 2013-09-17 | 2013-12-18 | 厦门兴厦控电气有限公司 | Operating mechanism of vacuum circuit breaker |
| CN104157520A (en) * | 2014-08-30 | 2014-11-19 | 国家电网公司 | Disconnector transmission connecting module |
| CN205943821U (en) * | 2016-07-29 | 2017-02-08 | 国家电网公司 | Isolator and circuit breaker mechanical interlock |
| CN206628411U (en) * | 2017-02-27 | 2017-11-10 | 上海华东电器集团电气有限公司 | High interchangeability vacuum circuit breaker |
| CN109360753A (en) * | 2018-11-06 | 2019-02-19 | 安士缔(中国)电气设备有限公司 | The mechanical interlocking device and Dual-power device of middle pressure double power supply automatic switching switch |
| CN210516524U (en) * | 2019-07-29 | 2020-05-12 | 安士缔(中国)电气设备有限公司 | Integrated special medium-voltage dual-power switching device with mechanical interlocking function |
-
2019
- 2019-07-29 CN CN201910687656.8A patent/CN110459420B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100854384B1 (en) * | 2007-03-08 | 2008-08-26 | 엘에스산전 주식회사 | An automatic discharging apparatus for a closing spring of an air circuit breaker and an air circuit breaker with the apparatus |
| KR101036989B1 (en) * | 2009-12-23 | 2011-05-26 | 엘에스산전 주식회사 | Interlock apparatus of ground switch for vacuum circuit breaker |
| CN103036168A (en) * | 2012-11-30 | 2013-04-10 | 天水长城开关厂有限公司 | Handcart interlocking structure used for large current circuit breaker |
| CN103456558A (en) * | 2013-09-17 | 2013-12-18 | 厦门兴厦控电气有限公司 | Operating mechanism of vacuum circuit breaker |
| CN104157520A (en) * | 2014-08-30 | 2014-11-19 | 国家电网公司 | Disconnector transmission connecting module |
| CN205943821U (en) * | 2016-07-29 | 2017-02-08 | 国家电网公司 | Isolator and circuit breaker mechanical interlock |
| CN206628411U (en) * | 2017-02-27 | 2017-11-10 | 上海华东电器集团电气有限公司 | High interchangeability vacuum circuit breaker |
| CN109360753A (en) * | 2018-11-06 | 2019-02-19 | 安士缔(中国)电气设备有限公司 | The mechanical interlocking device and Dual-power device of middle pressure double power supply automatic switching switch |
| CN210516524U (en) * | 2019-07-29 | 2020-05-12 | 安士缔(中国)电气设备有限公司 | Integrated special medium-voltage dual-power switching device with mechanical interlocking function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114400165A (en) * | 2021-12-31 | 2022-04-26 | 深圳市瑞智电力股份有限公司 | Dual-power transfer switch and operating system thereof |
| CN114400165B (en) * | 2021-12-31 | 2023-12-12 | 深圳市瑞智电力股份有限公司 | Dual-power transfer switch and operating system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110459420B (en) | 2024-03-15 |
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