CN102751132A - Operating mechanism for vacuum circuit breaker - Google Patents
Operating mechanism for vacuum circuit breaker Download PDFInfo
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- CN102751132A CN102751132A CN2012102296699A CN201210229669A CN102751132A CN 102751132 A CN102751132 A CN 102751132A CN 2012102296699 A CN2012102296699 A CN 2012102296699A CN 201210229669 A CN201210229669 A CN 201210229669A CN 102751132 A CN102751132 A CN 102751132A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 92
- 238000004146 energy storage Methods 0.000 claims abstract description 89
- 238000005192 partition Methods 0.000 claims description 91
- 230000003139 buffering effect Effects 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims 1
- 230000009471 action Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The invention discloses an operating mechanism for a vacuum circuit breaker. The operating mechanism comprises an energy storage switching-on unit, a switching-off tripping unit, a buffer unit and an auxiliary joint unit which are arranged in a frame, wherein the energy storage switching-on unit, the switching-off tripping unit, the buffer unit and the auxiliary joint unit are separated by clapboards and are arranged in the frame in a planar mode. The clapboards are arranged in the frame of the vacuum circuit breaker, and the energy storage switching-on unit, the switching-off tripping unit, the buffer unit and the auxiliary joint unit in the operating mechanism are arranged in the frame through a clapboard separating plane, so that the above units can be compactly arranged in the frame; due to the presence of the clapboards, the connecting tightness between the units and the frame is ensured, so that parts of the units and the frame form an integral mechanism, the operating mechanism is conveniently and rapidly assembled, adjusted and tested, and more important, the mechanical strength of the frame is greatly improved; and therefore, the vacuum circuit breaker has high stability and long mechanical lift in the period of use.
Description
Technical Field
The invention relates to the field of mechanical manufacturing, in particular to an operating mechanism of a vacuum circuit breaker.
Background
The vacuum circuit breaker is a core component in a high-voltage switch cabinet matched with a control part in a high-voltage transmission and distribution network, and has various anti-misoperation and overcurrent protection functions besides the function of breaking current in use, so that the running condition of the vacuum circuit breaker plays a critical role in the transmission quality of a power grid. The vacuum circuit breaker transfers mechanical energy and electric energy to the energy storage spring through the operating mechanism and stores the mechanical energy and the electric energy, and is also a supplier of the switching-on work of the vacuum circuit breaker.
The operating mechanism of the vacuum circuit breaker includes: the energy storage switching-on unit, the separating brake tripping unit, the buffering unit and the auxiliary contact unit. In the prior art, each purchased unit of the operating mechanism of the vacuum circuit breaker is independently installed in the frame respectively, and is connected with a main shaft installed on the frame through an output crank arm of the operating mechanism to drive a contact of a main circuit to move. Because the inside of the frame needs to reserve a space for installing each unit, the frame of the vacuum circuit breaker is large, and the strength of the frame is reduced; and because the frame is deformed when the operating mechanism is welded, the matching between the operating mechanism and the frame is not ideal, which brings great troubles to the subsequent debugging and mechanical characteristics of the vacuum circuit breaker and influences the service life of the vacuum circuit breaker and the stability in the service life. In addition, some structural units in the operating structure are separated from the frame and distributed to other parts of the vacuum circuit breaker, so that the number of parts is large, and the operating structure is not easy to adapt to circuit breakers of other models.
Disclosure of Invention
The invention provides an operating mechanism of a vacuum circuit breaker, which has the characteristics of compact structure and high frame strength, and improves the service life and the stability in the service life of the vacuum circuit breaker.
In order to solve the above technical problems, the present invention provides an operating mechanism of a vacuum circuit breaker, comprising: the energy storage switching-on unit, the separating brake tripping unit, the buffering unit and the auxiliary contact unit are arranged in the frame, wherein the energy storage switching-on unit, the separating brake tripping unit, the buffering unit and the auxiliary contact unit are separated by a partition plate, and the energy storage switching-on unit, the separating brake tripping unit, the buffering unit and the auxiliary contact unit are arranged in the frame in a planar mode.
Further, the partitions include a first partition, a second partition, a third partition, and a fourth partition, and the first partition, the second partition, the third partition, and the fourth partition vertically partition the frame into a plurality of assembly spaces.
Furthermore, a main shaft is further arranged in the frame, the main shaft penetrates through the partition plate, and the two ends of the main shaft are fixedly connected with the frame through a supporting plate.
Furthermore, the energy storage closing unit comprises an electric energy storage mechanism, a manual energy storage mechanism and a closing tripping mechanism, and the electric energy storage mechanism is connected with the manual energy storage mechanism and the closing tripping mechanism.
Further, the electric energy storage mechanism comprises an energy storage motor, a gear mechanism, an energy storage shaft and an energy storage spring; the energy storage motor is fixed at the bottom of the first partition plate, a gear box is arranged on the energy storage motor, and the gear mechanism is connected with the gear box and the energy storage shaft; two ends of the energy storage shaft respectively penetrate through the first partition plate and the second partition plate and are connected with one end of the energy storage spring, and the other end of the energy storage spring is connected with the frame; the gear mechanism is connected with the manual energy storage mechanism through a connecting shaft, and two ends of the connecting shaft are respectively connected with the first partition plate and the second partition plate.
Further, the switching-on tripping mechanism comprises a switching-on half shaft, a switching-on tripper and a first manual button; and two ends of the switching-on half shaft are respectively connected with the first partition plate and the second partition plate, and the switching-on half shaft is connected with the energy storage shaft, the switching-on tripper and the first manual button.
Further, gear mechanism includes gear and sprocket, the gear with gear box, connecting axle and sprocket link to each other, the sprocket with the energy storage shaft links to each other.
Furthermore, the brake-separating tripping unit is positioned between the second partition plate and the third partition plate and comprises a crank arm, a connecting plate, a buckle plate, a brake-separating half shaft, a brake-separating tripping device and a second manual button; the connecting lever is arranged on the main shaft, the connecting plate is connected with the connecting lever and the buckle plate, and the buckle plate is connected with the opening half shaft; and two ends of the opening half shaft are fixed on the second partition plate and the third partition plate, and the opening half shaft is connected with the opening tripper and the second manual button.
Furthermore, the buffer unit comprises a piston type oil buffer filled with a medium, and a pressure energy storage spring is arranged in the piston type oil buffer filled with the medium.
Furthermore, the auxiliary contact unit comprises an auxiliary switch and a four-bar mechanism, and the four-bar mechanism is connected with the auxiliary switch and the main shaft.
Compared with the prior art, the operating mechanism frame of the vacuum circuit breaker is internally provided with the partition plate, the energy storage closing unit, the opening tripping unit, the buffer unit and the auxiliary contact unit in the operating mechanism are arranged in the frame by the partition plate separating plane, so that the units can be compactly arranged in the frame, the existence of the partition plate ensures the connection tightness of the units and the frame, parts of the units and the frame form an integral mechanism, the assembly, adjustment and test are more convenient and rapid, more importantly, the mechanical strength of the frame is greatly improved, the stability of the vacuum circuit breaker in the service life is better, and the mechanical life is longer.
Drawings
Fig. 1 is a schematic plan view of an operating mechanism of a vacuum circuit breaker according to an embodiment of the present invention.
In the figure: 1-frame, 21-first partition plate, 22-second partition plate, 23-third partition plate, 24-fourth partition plate, 3-main shaft, 31-support plate, 41-energy storage motor, 42-gear mechanism, 421-gear, 422-chain wheel, 43-energy storage shaft, 44-gear box, 45-energy storage spring, 46-connecting shaft, 5-manual energy storage mechanism, 61-closing half shaft, 62-closing release, 63-first manual button, 71-crank arm, 72-connecting plate, 73-buckle plate, 74-opening half shaft, 75-opening release, 76-second manual button, 8-buffer, 91-auxiliary switch, 92-four-bar mechanism and 10-connecting plate.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It is to be noted that the drawings are in simplified form and are not to precise scale, which is provided for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Referring to fig. 1, the operating mechanism of the vacuum circuit breaker of the present invention includes: the energy storage closing unit, the separating brake tripping unit, the buffering unit and the auxiliary contact unit are arranged in the frame 1, the energy storage closing unit, the separating brake tripping unit, the buffering unit and the auxiliary contact unit are separated by a partition plate, and the plane is arranged in the frame 1. In the embodiment, a partition plate is arranged in a frame 1 of the vacuum circuit breaker, and an energy storage closing unit, a brake separating and tripping unit, a buffering unit and an auxiliary contact unit in an operating mechanism are arranged in the frame 1 by a partition plate partition plane, so that the units can be compactly arranged in the frame 1; meanwhile, the existence of the partition plate ensures the connection tightness of each unit and the frame 1, so that parts in each unit and the frame 1 form an integral mechanism, the assembly, adjustment and test are more convenient and quicker, more importantly, the mechanical strength of the frame is greatly improved, and the vacuum circuit breaker has better stability and longer mechanical life in the service life.
Preferably, the partitions include a first partition 21, a second partition 22, a third partition 23, and a fourth partition 24, and the first partition 21, the second partition 22, the third partition 23, and the fourth partition 24 vertically partition the frame 1 into a plurality of assembly spaces. A main shaft 3 is further arranged in the frame 1, the main shaft 3 penetrates through the first partition plate 21, the second partition plate 22, the third partition plate 23 and the fourth partition plate 24, and two ends of the main shaft 3 are fixedly connected with the frame 1 through a supporting plate 31 respectively. The existence of baffle and main shaft 3 makes above-mentioned each unit can be correlated with each other and can not mutually interfere after the installation is accomplished to because the existence of a plurality of assembly spaces, the staff only need in the assembly space of difference install above-mentioned each unit can, need not to reserve unnecessary space in frame 1, the cooperation between frame 1 and the operating device is ideal, the follow-up debugging and the mechanical properties test of vacuum circuit breaker of being convenient for, effective production efficiency.
Preferably, the energy storage closing unit comprises an electric energy storage mechanism, a manual energy storage mechanism and a closing tripping mechanism, and the electric energy storage mechanism is connected with the manual energy storage mechanism and the closing tripping mechanism.
The electric energy storage mechanism comprises an energy storage motor 41, a gear mechanism 42, an energy storage shaft 43 and an energy storage spring 45; wherein, the energy storage motor 41 is fixed at the bottom of the first partition plate 21, a gear box 44 is arranged on the energy storage motor 41, and the gear mechanism 42 is connected with the gear box 44 and the energy storage shaft 43; two ends of the energy storage shaft 43 respectively penetrate through the first partition plate 21 and the second partition plate 22 and are connected with one end of the energy storage spring 45, and the other end of the energy storage spring 45 is connected with the frame 1; the gear mechanism 42 is connected with the manual energy storage mechanism 5 through a connecting shaft 46, and two ends of the connecting shaft 46 are respectively connected with the first partition plate 21 and the second partition plate 22.
The switching-on tripping mechanism comprises a switching-on half shaft 61, a switching-on tripper 62 and a first manual button 63; the two ends of the closing half shaft 61 are respectively connected with the first partition plate 21 and the second partition plate 22, and the closing half shaft 61 is connected with the energy storage shaft 43, the closing release 62 and the first manual button 63.
Preferably, the gear mechanism 42 includes a gear 421 and a sprocket 422, the gear 421 is connected to the gear box 44, the connecting shaft 46 and the sprocket 422, and the sprocket 422 is connected to the energy storage shaft 43.
Preferably, the energy storage motor 41 is a permanent magnet dc energy storage motor, and is a core component of the electric energy storage mechanism. The charging motor 41 delivers the output energy to the charging shaft 43 through the gear mechanism 42 connected to the gear box 44, and the charging shaft 43 draws the charging spring 45 and thereby charges the energy. During manual energy storage, the manual energy storage mechanism 5 is manually adjusted, so that the connecting shaft 46 is drawn to drive the gear mechanism 42 to move, the energy storage action same as that of the electric energy storage mechanism is completed, and after energy is stored in the energy storage spring 45, the energy storage spring is kept at a determined position through a cam mechanism (not shown in the figure) fixed with the energy storage shaft 43 and the closing half shaft 61.
The opening tripping unit is positioned between the second partition plate 22 and the third partition plate 23 and comprises a crank arm 71, a connecting plate 72, a buckle plate 73, an opening half shaft 74, an opening tripping device 75 and a second manual button 76; the crank arm 71 is arranged on the main shaft 3, the connecting plate 72 is connected with the crank arm 71 and a pinch plate 73, and the pinch plate 73 is connected with the opening half shaft 74; the two ends of the opening half shaft 74 are fixed on the second partition plate 22 and the third partition plate 23, and the opening half shaft 74 is connected with the opening release 75 and the second manual button 76. The opening tripping unit is used for keeping the closing state and realizing the opening operation, and the opening operation is realized by controlling the second manual button 76.
The buffer unit comprises a piston type oil buffer 8 filled with a medium, and a pressure energy storage spring (not shown) is arranged in the piston type oil buffer 8. The buffer unit is used for absorbing residual energy after opening, reducing impact of opening action on the vacuum circuit breaker body and inhibiting rebound. The built-in pressure energy storage spring is used for resetting the piston in the piston type oil buffer 8.
The auxiliary contact unit includes an auxiliary switch 91 and a four-bar linkage 92, and the four-bar linkage 92 is connected to the auxiliary switch 91 and the main shaft 3. The auxiliary contact unit is used for converting switching-on and switching-off signals and providing switching state indication for an external control circuit.
Preferably, a plurality of connecting plates 10 are further disposed in the frame 1, one end of each connecting plate 10 is connected to the main shaft 3, and the other end of each connecting plate 10 is connected to a vacuum arc-extinguishing chamber (not shown) of the vacuum circuit breaker. The number of the connecting plates 10 is 3, and the connecting plates are respectively positioned between the frame 1 and the first partition plate 21, between the second partition plate 22 and the third partition plate 23, and between the fourth partition plate 24 and the frame 1. The connecting plate 10 transmits the output energy of the operating mechanism to a moving contact (not marked) of the vacuum arc-extinguishing chamber so as to realize the action of opening and closing.
It should be noted that, a known electrical control assembly for controlling the operating state of the operating mechanism is further provided in the frame 1 of the present embodiment, and the description of the present invention is omitted here.
Referring to fig. 1, the implementation of the operating mechanism function in this embodiment includes the following processes:
1. an energy storage switching-on process: the charging motor 41 delivers energy to the charging shaft 43 via the gear box 44 and the gear mechanism 42, and the charging shaft 43 draws the closing spring 45 and thereby charges the energy. The manual energy storage mechanism 5 moves correspondingly through a gear 421 in the manual up-and-down reciprocating swing gear mechanism 42 and drives a chain wheel 422 to rotate to complete the energy storage action same as the electric energy storage, and after energy is stored in the energy storage spring 45, the energy storage spring is kept at a certain position through a cam fixed with the energy storage shaft 43 and a closing half shaft 61; after the energy storage action is finished, the energy storage motor 41 stops rotating;
2. opening operation: when the second manual button 76 is pressed, the opening release 75 drives the opening half shaft 74 to rotate at the same time, the opening release 75 drives the main shaft 3 to rotate through the buckle plate 73, the connecting plate 72 and the crank arm 71, and the main shaft 3 transmits the energy in the operating mechanism to the movable contact of the vacuum arc-extinguishing chamber through the connecting plate 10, so that opening and closing actions are realized.
In conclusion, a partition board is arranged in a frame 1 of the vacuum circuit breaker, an energy storage switching-on unit, a switching-off tripping unit, a buffering unit and an auxiliary contact unit in an operating mechanism are arranged in the frame 1 through partition planes of the partition board, so that the units can be compactly arranged in the frame 1, the connection tightness between the units and the frame 1 is ensured due to the existence of the partition board, parts of the units and the frame 1 form an integral mechanism, the assembly, the adjustment and the test are more convenient and faster, more importantly, the mechanical strength is greatly improved, the stability of a product in a service life is better, and the mechanical life is longer.
It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An operating mechanism of a vacuum circuit breaker, comprising: the energy storage switching-on unit, the switching-off tripping unit, the buffering unit and the auxiliary contact unit are arranged in the frame and are characterized in that the energy storage switching-on unit, the switching-off tripping unit, the buffering unit and the auxiliary contact unit are separated by a partition plate and are arranged in the frame in a planar mode.
2. The operating mechanism of the vacuum circuit breaker according to claim 1, wherein the partitions include a first partition, a second partition, a third partition and a fourth partition, and the first partition, the second partition, the third partition and the fourth partition vertically partition the frame into a plurality of fitting spaces.
3. The operating mechanism of vacuum circuit breaker according to claim 1, wherein a main shaft is further provided in the frame, the main shaft penetrates the partition, and both ends of the main shaft are fixedly connected to the frame through a support plate.
4. The operating mechanism of the vacuum circuit breaker according to claim 3, wherein the energy-storing closing unit comprises an electric energy-storing mechanism, a manual energy-storing mechanism and a closing tripping mechanism, and the electric energy-storing mechanism is connected with the manual energy-storing mechanism and the closing tripping mechanism.
5. The operating mechanism of the vacuum circuit breaker according to claim 4, wherein the electric energy storage mechanism includes an energy storage motor, a gear mechanism, an energy storage shaft, and an energy storage spring; wherein,
the energy storage motor is fixed at the bottom of the first partition plate, a gear box is arranged on the energy storage motor, and the gear mechanism is connected with the gear box and the energy storage shaft;
two ends of the energy storage shaft respectively penetrate through the first partition plate and the second partition plate and are connected with one end of the energy storage spring, and the other end of the energy storage spring is connected with the frame;
the gear mechanism is connected with the manual energy storage mechanism through a connecting shaft, and two ends of the connecting shaft are respectively connected with the first partition plate and the second partition plate.
6. The operating mechanism of the vacuum circuit breaker according to claim 5, wherein the closing trip mechanism comprises a closing half shaft, a closing trip, and a first manual button; and two ends of the switching-on half shaft are respectively connected with the first partition plate and the second partition plate, and the switching-on half shaft is connected with the energy storage shaft, the switching-on tripper and the first manual button.
7. The operating mechanism of the vacuum interrupter as claimed in claim 5, wherein the gear mechanism comprises a gear and a sprocket, the gear is connected to the gear box, the connecting shaft and the sprocket, and the sprocket is connected to the charging shaft.
8. The operating mechanism of the vacuum circuit breaker according to claim 3, wherein the opening trip unit is located between the second partition and a third partition, and comprises a crank arm, a connecting plate, a buckle plate, an opening half shaft, an opening trip and a second manual button;
the connecting lever is arranged on the main shaft, the connecting plate is connected with the connecting lever and the buckle plate, and the buckle plate is connected with the opening half shaft;
and two ends of the opening half shaft are fixed on the second partition plate and the third partition plate, and the opening half shaft is connected with the opening tripper and the second manual button.
9. An operating mechanism for a vacuum circuit breaker according to claim 3 wherein the damping unit comprises a medium filled piston oil damper having a pressure storing spring built into the medium filled piston oil damper.
10. The operating mechanism of the vacuum circuit breaker according to claim 3, wherein the auxiliary contact unit includes an auxiliary switch and a four-bar linkage, the four-bar linkage being connected to the auxiliary switch and the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102296699A CN102751132A (en) | 2012-07-04 | 2012-07-04 | Operating mechanism for vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102296699A CN102751132A (en) | 2012-07-04 | 2012-07-04 | Operating mechanism for vacuum circuit breaker |
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| Publication Number | Publication Date |
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| CN102751132A true CN102751132A (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102296699A Pending CN102751132A (en) | 2012-07-04 | 2012-07-04 | Operating mechanism for vacuum circuit breaker |
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| CN (1) | CN102751132A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114300301A (en) * | 2021-12-27 | 2022-04-08 | 江苏新纪元电器科技有限公司 | High-voltage vacuum circuit breaker double-module operating mechanism with adjusting mechanism |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783523Y (en) * | 2005-02-02 | 2006-05-24 | 河南森源电气股份有限公司 | Spring executing mechanism for domestic high voltage breaker |
| CN2802696Y (en) * | 2005-02-02 | 2006-08-02 | 河南森源电气股份有限公司 | Operation mechanism of outdoor high-tension vacuum circuit breaker |
| CN200956331Y (en) * | 2006-09-29 | 2007-10-03 | 李锐帮 | High-voltage vacuum circuit breaker spring operating mechanism |
| CN101707160A (en) * | 2009-07-08 | 2010-05-12 | 贺文伟 | Indoor high-voltage vacuum circuit breaker |
| CN101728118A (en) * | 2008-10-14 | 2010-06-09 | 江苏森源电气有限公司 | Modified energy storage mechanism for high-pressure vacuum circuit breaker |
| CN201845697U (en) * | 2010-05-18 | 2011-05-25 | 安徽龙波电气有限公司 | Permanent-magnetic vacuum circuit breaker |
| CN102446653A (en) * | 2010-10-14 | 2012-05-09 | 常熟市通润开关厂有限公司 | Geographic information system (GIS) high-voltage alternative-current vacuum circuit breaker operating mechanism |
| CN102496519A (en) * | 2011-12-16 | 2012-06-13 | 常州瑞联电力科技有限公司 | Vacuum circuit breaker mechanism |
| CN202736830U (en) * | 2012-07-04 | 2013-02-13 | 江苏森源电气股份有限公司 | Vacuum circuit breaker operation mechanism |
-
2012
- 2012-07-04 CN CN2012102296699A patent/CN102751132A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2783523Y (en) * | 2005-02-02 | 2006-05-24 | 河南森源电气股份有限公司 | Spring executing mechanism for domestic high voltage breaker |
| CN2802696Y (en) * | 2005-02-02 | 2006-08-02 | 河南森源电气股份有限公司 | Operation mechanism of outdoor high-tension vacuum circuit breaker |
| CN200956331Y (en) * | 2006-09-29 | 2007-10-03 | 李锐帮 | High-voltage vacuum circuit breaker spring operating mechanism |
| CN101728118A (en) * | 2008-10-14 | 2010-06-09 | 江苏森源电气有限公司 | Modified energy storage mechanism for high-pressure vacuum circuit breaker |
| CN101707160A (en) * | 2009-07-08 | 2010-05-12 | 贺文伟 | Indoor high-voltage vacuum circuit breaker |
| CN201845697U (en) * | 2010-05-18 | 2011-05-25 | 安徽龙波电气有限公司 | Permanent-magnetic vacuum circuit breaker |
| CN102446653A (en) * | 2010-10-14 | 2012-05-09 | 常熟市通润开关厂有限公司 | Geographic information system (GIS) high-voltage alternative-current vacuum circuit breaker operating mechanism |
| CN102496519A (en) * | 2011-12-16 | 2012-06-13 | 常州瑞联电力科技有限公司 | Vacuum circuit breaker mechanism |
| CN202736830U (en) * | 2012-07-04 | 2013-02-13 | 江苏森源电气股份有限公司 | Vacuum circuit breaker operation mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114300301A (en) * | 2021-12-27 | 2022-04-08 | 江苏新纪元电器科技有限公司 | High-voltage vacuum circuit breaker double-module operating mechanism with adjusting mechanism |
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Application publication date: 20121024 |