CN203312629U - Combined electric appliance with isolation switch, vacuum circuit breaker and grounding switch - Google Patents
Combined electric appliance with isolation switch, vacuum circuit breaker and grounding switch Download PDFInfo
- Publication number
- CN203312629U CN203312629U CN2013203791142U CN201320379114U CN203312629U CN 203312629 U CN203312629 U CN 203312629U CN 2013203791142 U CN2013203791142 U CN 2013203791142U CN 201320379114 U CN201320379114 U CN 201320379114U CN 203312629 U CN203312629 U CN 203312629U
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- rotating shaft
- connecting lever
- frame
- breaker
- insulation
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Abstract
The utility model discloses a combined electric appliance with an isolation switch, a vacuum circuit breaker and a grounding switch. The electric appliance comprises a rack. An upper portion of the rack is fixed with three bus wire inlet columns. A middle and upper portion of the rack is pivoted with an insulation rotating shaft. The insulation rotating shaft is provided with three isolation disconnecting links. A central section of the rack is provided with three solid encapsulated polar columns. Each solid encapsulated polar column comprises an insulation shell a vacuum arc-extinguishing chamber, a wire inlet column and a wire outlet column. The vacuum arc-extinguishing chamber is provided with an operation pull bar. A side surface of the wire outlet column is provided with a grounding contact. A central section of an insulation connecting rod is hinged to a lower portion of the insulation shell. One end of the insulation connecting rod is hinged with a lower end of the pull bar and the other end is hinged with an over travel rod. A lower end of each isolation disconnecting link is hinged with an upper end of the wire inlet column of each solid encapsulated polar column. A circuit breaker operating shaft is pivoted on the rack, wherein the rack is located on one side of the three solid encapsulated polar columns. A middle and lower portion of the rack is pivoted with a grounding rotating shaft. One side of the rack is provided with an operating mechanism. The structure of the electric appliance of the utility model is compact and the size is small. A transmission mechanism is simple and operation reliability is high.
Description
Technical field
The utility model relates to the switching device that indoor switch cabinet is used, especially a kind of combined electrical apparatus with isolating switch, vacuum circuit-breaker, earthed switch.
Background technology
Current domestic-developed 12kV switch cubicle, vacuum circuit-breaker, isolating switch, earthed switch adopt independent the installation, there are the shortcomings such as the switch cubicle volume is large, interlocking is complicated, the copper bar consumption is many, the connection contact is many, complicated operation, maintenance trouble, domestic also have a little producer to release the band isolated vacuum breaker, but majority is to reequip on the basis of the breaker mechanism of the horizontal dress of tradition, it is obvious that it pieces together phenomenon, exist volume large, the problem of transmission complexity, bringing simultaneously defect is that reliability is low, the maintenance trouble.
Although disclosed a patent No. on December 30th, 2009, be that ZL200920035512.6, name are called the utility model patent of " isolating switch and vacuum circuit-breaker combined electrical apparatus ", it comprises isolating switch section, vacuum circuit-breaker section, grounding parts, operation locking part and frame, but isolating switch section is arranged on a side of vacuum circuit-breaker section, and grounding parts is arranged on the opposite side of vacuum circuit-breaker section; There is the problem that volume is more roomy equally in this structure, is unfavorable for the miniaturization of switch cubicle.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of combined electrical apparatus with isolating switch, vacuum circuit-breaker, earthed switch, compact conformation, and volume is little, be conducive to the miniaturization of switch cubicle, transmission mechanism is simple simultaneously, interlocks perfect, and operating reliability is high and maintenance is convenient.
For achieving the above object, the technical solution of the utility model is: a kind of with isolating switch, vacuum circuit-breaker, the combined electrical apparatus of earthed switch, comprise frame, three bus inlet wire posts are fixed at the interval, top of frame, the lower end of each bus inlet wire post is the inlet wire fixed contact, the middle and upper part pivot joint one insulation rotating shaft of frame, in the insulation rotating shaft, three isolation switchs are equipped with at interval, the position of three isolation switchs is corresponding with three bus inlet wire posts, three poles are equipped with at the middle part of frame, each pole comprises insulation shell, vacuum interrupter, the inlet wire post, outlet column, vacuum interrupter is clipped in the centre of insulation shell, the pull bar that vacuum interrupter is equipped with an operation combination or disconnects, the moved end, bottom of described pull bar and vacuum interrupter is connected, the inlet wire post stretches into insulation shell and is connected with the vacuum interrupter upper end from the top of insulation shell, the bottom that outlet column is supported on insulation shell is flexible coupling and is connected with the moved end, bottom of vacuum interrupter by copper, the side of outlet column is provided with earthing contact, the middle part of one insulated connecting rod is hinged on the bottom of insulation shell, insulated connecting rod is hinged near an end of insulation shell and the lower end of pull bar, insulated connecting rod is hinged with an excess of stroke bar away from the other end of insulation shell, the upper end of the inlet wire post of the lower end of each isolation switch and each pole is hinged, pivot joint one breaker operator axle on the frame of three pole one sides, spaced three projections on the breaker operator axle, the top of the described excess of stroke bar on the free end that each is protruding and each pole is articulated, and upper end and the frame among of the described excess of stroke bar on each pole are equipped with an extension spring, ground connection rotating shaft of the middle and lower part pivot joint of frame, in the ground connection rotating shaft, interval is fixed three grounding switchs and is engaged or separate with the earthing contact on three pole outlet column, one side of frame is equipped with an operating mechanism, and operating mechanism is provided with an output revolving shaft and is connected to drive the rotation of breaker operator axle and location with the breaker operator axle, the opposite side of frame arranges the first connecting lever and the second connecting lever, and an end of the first connecting lever and ground connection rotating shaft fixes, the second connecting lever fixes with an end of insulation rotating shaft, and the free end of the first connecting lever is connected by first connecting rod with the free end of the second connecting lever.
Further improve, excess of stroke stage clip is equipped with in the centre of the described excess of stroke bar on each pole.Effectively guarantee the reliability of vacuum interrupter bonding state.
Further improve, wherein two grounding switchs and the frame among of three grounding switchs are equipped with first retainer spring.Facilitate the location of three grounding switchs.
Further improve, the middle and upper part of the insulation shell of each pole is provided with a circle and is roughly square flange, and the described flange on three poles also forms insulating barrier together.The isolation of Convenient switch cabinet bus-bar room and switch gear room.
Further improve, an end of the free end of the second connecting lever and a L shaped positioning linkage rod is hinged, and the middle part of L shaped positioning linkage rod is hinged on the side of frame, and the second retainer spring also is housed between the other end of L shaped positioning linkage rod and frame.The location of convenient insulation rotating shaft.
Further improve, opposite side away from the frame of operating mechanism arranges the 3rd connecting lever and the 4th connecting lever, one end of the 3rd connecting lever and breaker operator axle fixes, the 4th connecting lever is articulated on the side of the frame between breaker operator axle and ground connection rotating shaft, the free end of the 3rd connecting lever is connected by second connecting rod with the free end of the 4th connecting lever, the outer peripheral face of the 4th connecting lever is provided with two detents, the outer peripheral face of the first connecting lever also is provided with two detents, a hinged activity orientation piece on frame between the first connecting lever and the 4th connecting lever, the activity orientation piece matches with the detent of the 4th connecting lever and the first connecting lever respectively.Be grounded the interlock function of rotating shaft and breaker operator axle, further improve the reliability of operation, prevent misoperation.
Further improve, the output revolving shaft on described operating mechanism is connected by spline housing with the breaker operator axle.The installing/dismounting of handled easily mechanism, make operating mechanism realize modularization.
Further improve, the top of frame first arranges an insulation crossbeam, and three bus inlet wire intercolumniations are every being fixed on the insulation crossbeam.Facilitate the fixing of three bus inlet wire posts.
Preferred described operating mechanism comprises a housing, the output revolving shaft of operating mechanism is contained on housing, the housing of operating mechanism fixes by bolt and frame, and described housing is provided with the ground connection handle hole, and an end of ground connection rotating shaft is through on the ground connection handle hole of described housing, further, one operation rotating shaft also is housed on the housing of described operating mechanism, one energy storage rotating shaft, the operation rotating shaft, the energy storage rotating shaft, output revolving shaft is parallel to each other, the operation rotating shaft is connected by a pair of gear with the energy storage rotating shaft, between the rear portion of energy storage rotating shaft and described housing, the energy storage extension spring is housed, cam also is housed in the energy storage rotating shaft, keep sincere son, output toggle arm is housed on output revolving shaft, keep roller, the output roller is housed on output toggle arm, the output roller that clashes into output toggle arm on output revolving shaft by energy storage rotating shaft overhead cam realizes that output revolving shaft rotates, when output revolving shaft forwards certain position to, the sincere son of maintenance in the energy storage rotating shaft withstands the location that the maintenance roller on output revolving shaft is realized output revolving shaft.This operating mechanism convenient and reliable operation, be conducive to realize miniaturization.
The utility model, with respect to existing combined electrical apparatus with vacuum circuit-breaker and isolation earthing switch, has the following advantages:
1, pole is hinged on the bottom of insulation shell by the middle part of an insulated connecting rod, insulated connecting rod is hinged near an end of insulation shell and the lower end of pull bar, make the operating mechanism of vacuum interrupter can be in the side of vacuum interrupter, than the traditional operation mechanism be in below vacuum interrupter, whole pole height is shortened dramatically; Facilitate the layout of whole pole to install, the upper end of the inlet wire post of the lower end of each isolation switch and each pole is hinged simultaneously, realize that isolating switch is connected with the zero distance of circuit breaker, so overall structure is very compact, volume is little, is conducive to the miniaturization of switch cubicle;
2, transmission is simple, and the output revolving shaft of operating mechanism, by the operating axis of spline housing connecting breaker, has just completed with side and filled being in transmission connection of circuit breaker;
3, realize the function of circuit breaker, isolating switch, the operation of earthed switch follow procedure, breaker operator axle and ground connection rotating shaft can realize interlocking, and interlock is comparatively perfect, improves the reliability of integrated operation;
4, operating mechanism is realized modularization, Whole-dismountable and installation, and maintenance is convenient;
5, pole is made by APG technique, utilizes epoxy resin that vacuum interrupter and upper lower wire end are all sealed.Do like this, not only dwindled the arc control device size, and the thorough impact that is not subjected to external environment such as dust, moisture etc., improved weatherability, now epoxy resin not only as once the part main insulation, and be its mechanical support, its Electric Field Distribution and stress distribution are better than the insulating barrier structure of various shapes.Due to arc control device, do not need the securing member added, current-carrying spare is fixed on its position securely by casting resin on every side, and this has just greatly reduced the number of components of arc control device, and maintenance is easier, and the life-span is longer.
The accompanying drawing explanation
Fig. 1 is the utility model front view;
Fig. 2 is the utility model right view;
Fig. 3 is the utility model left view;
Fig. 4 is the utility model rearview;
Fig. 5 is the utility model stereogram;
Fig. 6 is the axial cutaway view Amplified image of the utility model pole;
Fig. 7 is the utility model operating mechanism backsight enlarged drawing;
Fig. 8 is the utility model operating mechanism end view;
Fig. 9 is the installation diagram of the utility model energy storage rotating shaft.
Embodiment
Below in conjunction with accompanying drawing and concrete execution mode, the utility model is described in further detail.
Fig. 1 is to shown in Figure 9, a kind of with isolating switch, vacuum circuit-breaker, the combined electrical apparatus of earthed switch, comprise frame 1, three bus inlet wire posts 2 are fixed at the interval, top of frame 1, be specially an insulation crossbeam 11 first is set on the top of frame 1, three bus inlet wire post 2 intervals are fixed on insulation crossbeam 11, the lower end of each bus inlet wire post 2 is the inlet wire fixed contact, the middle and upper part pivot joint one insulation rotating shaft 3 of frame 1, in insulation rotating shaft 3, three isolation switchs 31 are equipped with at interval, the position of three isolation switchs 31 is corresponding with three bus inlet wire posts 2, three poles 4 are equipped with at the middle part of frame 1 side by side, each pole 4 comprises insulation shell 41, vacuum interrupter 42, inlet wire post 43, outlet column 44, vacuum interrupter 42 is clipped in the centre of insulation shell 41, the pull bar 45 that vacuum interrupter 42 is equipped with an operation combination or disconnects, the moved end, bottom of described pull bar 45 and vacuum interrupter 42 is connected, inlet wire post 43 stretches into insulation shell 41 and is connected with vacuum interrupter 42 upper ends from the top of insulation shell 41, the bottom that outlet column 44 is supported on insulation shell 41 is flexible coupling and 49 with the lower end of vacuum interrupter 42, is connected by copper, the side of outlet column 44 is provided with earthing contact 441, the middle part of one insulated connecting rod 46 is hinged on the bottom of insulation shell 41, insulated connecting rod 46 is hinged near an end of insulation shell 41 and the lower end of pull bar 45, insulated connecting rod 46 is hinged with an excess of stroke bar 47 away from the other end of insulation shell 41.
Excess of stroke stage clip 48 is equipped with in the centre of described excess of stroke bar 47.
The upper end of the inlet wire post 43 of the lower end of each isolation switch 31 and each pole 4 is hinged.
Pivot joint one breaker operator axle 5 on the frame 1 of three pole 4 one sides, spaced three projections 51 on breaker operator axle 5, the top of the described excess of stroke bar 47 on the free end of each projection 51 and each pole 4 is articulated, and the upper end of the described excess of stroke bar 47 on each pole 4 and frame 1 among are equipped with an extension spring 6.
Ground connection rotating shaft 7 of the middle and lower part pivot joint of frame 1, in ground connection rotating shaft 7, interval is fixed three grounding switchs 71 and is combined or separate with the earthing contact 441 on three poles, 4 outlet column 44.
One side of frame 1 is equipped with an operating mechanism 8, and operating mechanism 8 is provided with an output revolving shaft 81 and is connected to drive 5 rotations of breaker operator axle and location with breaker operator axle 5; Output revolving shaft 81 can be connected by spline housing with breaker operator axle 5.
Preferred described operating mechanism 8 comprises a housing 82, the output revolving shaft 81 of operating mechanism 8 is contained on housing 82, the housing 82 of operating mechanism 8 fixes by bolt and frame 1, described housing 82 is provided with ground connection handle hole 821, and an end of ground connection rotating shaft 7 is through on the ground connection handle hole 821 of described housing 82.
One operation rotating shaft 83 also is housed on the housing 82 of described operating mechanism 8, one energy storage rotating shaft 84, operation rotating shaft 83, energy storage rotating shaft 84, output revolving shaft 81 is parallel to each other, operation rotating shaft 83 is connected by a pair of gear with energy storage rotating shaft 84, between the rear portion of energy storage rotating shaft 84 and described housing 82, energy storage extension spring 85 is housed, cam 841 also is housed in energy storage rotating shaft 84, keep sincere sub 842, output toggle arm 811 is housed on output revolving shaft 81, keep roller 812, output roller 813 is housed on output toggle arm 811, by the output roller 813 that energy storage rotating shaft 84 overhead cams 841 clash into output toggle arm 811 on output revolving shaft 81, realize that output revolving shaft 81 rotates, when output revolving shaft 81 forwards certain position to, the location that the maintenance roller 812 on output revolving shaft 81 is realized output revolving shaft 81 is withstood in maintenance in energy storage rotating shaft 84 sincere sub 842, make output revolving shaft 81 remain closing position.
The end that the opposite side of frame 1 arranges the first connecting lever 91, the second connecting lever 92, the 3rd connecting lever 93 and the 4th connecting lever 94, the first connecting levers 91 and ground connection rotating shaft 7 fixes, an end of the second connecting lever 92 and insulation rotating shaft 3 fixes, an end of the 3rd connecting lever 93 and breaker operator axle 5 fixes, the 4th connecting lever 94 is articulated on the side of the frame 1 between breaker operator axle 5 and ground connection rotating shaft 7.
The free end of the free end of the first connecting lever 91 and the second connecting lever 92 is connected by first connecting rod 95; One end of the free end of the second connecting lever 92 and a L shaped positioning linkage rod 921 is hinged, and the middle part of L shaped positioning linkage rod 921 is hinged on the side of frame 1, and the second retainer spring 922 also is housed between the other end of L shaped positioning linkage rod 921 and frame 1.
The free end of the free end of the 3rd connecting lever 93 and the 4th connecting lever 94 is connected by second connecting rod 96; The outer peripheral face of the 4th connecting lever 94 is provided with two detents 941, the outer peripheral face of the first connecting lever 91 also is provided with two detents 911, a hinged activity orientation piece 90 on frame 1 between the first connecting lever 91 and the 4th connecting lever 94, activity orientation piece 90 match with the detent 941 of the 4th connecting lever 94 and the detent 911 of the first connecting lever 91 respectively.
Wherein two grounding switchs 71 that are in both sides in three grounding switchs 71 are equipped with first retainer spring 72 with frame 1 among.
The middle and upper part of the insulation shell 41 of each pole 4 is provided with a circle and is roughly the described flange 411 on 411, three poles 4 of square flange and forms insulating barrier together.
Operating process of the present utility model is by rotating ground connection rotating shaft 7, then to drive insulation rotating shaft 3 and rotate combined floodgate and the separating brake of realizing isolating switch by the first connecting lever 91, first connecting rod 95, the second connecting lever 92, output revolving shaft 81 by operating mechanism 8 drives 5 rotations of breaker operator axle and coordinates the combination that realizes vacuum interrupter 42 on pole 4 or disconnect by extension spring 6, when rotation ground connection rotating shaft 7 makes three isolation switchs 31 and three bus inlet wire posts 2 in conjunction with combined floodgate, earthing contact 441 on three grounding switchs 71 and three pole 4 outlet column 44 is in released state, now activity orientation piece 90 embeds in the detent 911 of the first connecting lever 91, the 4th connecting lever 94 is free to rotate, now by the output revolving shaft 81 of operating mechanism 8, can realize the combination of vacuum interrupter 42 on pole 4 or disconnect, when on pole 4, vacuum interrupter 42 is in bonding state, activity orientation piece 90 is stuck on the 4th connecting lever 94 outer peripheral faces, the first connecting lever 91 can not rotate, grounding misoperation while preventing that vacuum interrupter 42 is in bonding state, when vacuum interrupter on pole 4 42 disconnects, activity orientation piece 90 embeds in the detent 941 of the 4th connecting lever 94, now the first connecting lever 91 is free to rotate, just can rotate ground connection rotating shaft 7 and make the isolating switch separating brake and make simultaneously three grounding switchs 71 and earthing contact 441 combinations on three pole 4 outlet column 44 be in ground state.
Be only below preferred embodiment of the utility model, the change that those skilled in the art does to be equal to by claim all falls into the protection range of this case.
Claims (10)
1. one kind with isolating switch, vacuum circuit-breaker, the combined electrical apparatus of earthed switch, comprise frame, three bus inlet wire posts are fixed at the interval, top of frame, the lower end of each bus inlet wire post is the inlet wire fixed contact, the middle and upper part pivot joint one insulation rotating shaft of frame, in the insulation rotating shaft, three isolation switchs are equipped with at interval, the position of three isolation switchs is corresponding with three bus inlet wire posts, it is characterized in that: three poles are equipped with at the middle part of frame, each pole comprises insulation shell, vacuum interrupter, the inlet wire post, outlet column, vacuum interrupter is clipped in the centre of insulation shell, the pull bar that vacuum interrupter is equipped with an operation combination or disconnects, the moved end, bottom of described pull bar and vacuum interrupter is connected, the inlet wire post stretches into insulation shell and is connected with the vacuum interrupter upper end from the top of insulation shell, the bottom that outlet column is supported on insulation shell is flexible coupling and is connected with the moved end, bottom of vacuum interrupter by copper, the side of outlet column is provided with earthing contact, the middle part of one insulated connecting rod is hinged on the bottom of insulation shell, insulated connecting rod is hinged near an end of insulation shell and the lower end of pull bar, insulated connecting rod is hinged with an excess of stroke bar away from the other end of insulation shell,
The upper end of the inlet wire post of the lower end of each isolation switch and each pole is hinged;
Pivot joint one breaker operator axle on the frame of three pole one sides, spaced three projections on the breaker operator axle, the top of the described excess of stroke bar on the free end that each is protruding and each pole is articulated, and upper end and the frame among of the described excess of stroke bar on each pole are equipped with an extension spring;
Ground connection rotating shaft of the middle and lower part pivot joint of frame, in the ground connection rotating shaft, interval is fixed three grounding switchs and is engaged or separate with the earthing contact on three pole outlet column;
One side of frame is equipped with an operating mechanism, and operating mechanism is provided with an output revolving shaft and is connected to drive the rotation of breaker operator axle and location with the breaker operator axle;
The opposite side of frame arranges the first connecting lever and the second connecting lever, and an end of the first connecting lever and ground connection rotating shaft fixes, the second connecting lever fixes with an end of insulation rotating shaft, and the free end of the first connecting lever is connected by first connecting rod with the free end of the second connecting lever.
2. a kind of combined electrical apparatus with isolating switch, vacuum circuit-breaker, earthed switch according to claim 1, it is characterized in that: excess of stroke stage clip is equipped with in the centre of the described excess of stroke bar on each pole.
3. a kind of combined electrical apparatus with isolating switch, vacuum circuit-breaker, earthed switch according to claim 1 is characterized in that: wherein two grounding switchs and the frame among of three grounding switchs are equipped with first retainer spring.
4. a kind of combined electrical apparatus with isolating switch, vacuum circuit-breaker, earthed switch according to claim 1, it is characterized in that: the middle and upper part of the insulation shell of each pole is provided with a circle and is roughly square flange, and the described flange on three poles also forms insulating barrier together.
5. a kind of combined electrical apparatus with isolating switch, vacuum circuit-breaker, earthed switch according to claim 1, it is characterized in that: an end of the free end of the second connecting lever and a L shaped positioning linkage rod is hinged, the middle part of L shaped positioning linkage rod is hinged on the side of frame, and the second retainer spring also is housed between the other end of L shaped positioning linkage rod and frame.
6. according to claim 1 a kind of with isolating switch, vacuum circuit-breaker, the combined electrical apparatus of earthed switch, it is characterized in that: the opposite side away from the frame of operating mechanism arranges the 3rd connecting lever and the 4th connecting lever, one end of the 3rd connecting lever and breaker operator axle fixes, the 4th connecting lever is articulated on the side of the frame between breaker operator axle and ground connection rotating shaft, the free end of the 3rd connecting lever is connected by second connecting rod with the free end of the 4th connecting lever, the outer peripheral face of the 4th connecting lever is provided with two detents, the outer peripheral face of the first connecting lever also is provided with two detents, a hinged activity orientation piece on frame between the first connecting lever and the 4th connecting lever, the activity orientation piece matches with the detent of the 4th connecting lever and the first connecting lever respectively.
7. a kind of combined electrical apparatus with isolating switch, vacuum circuit-breaker, earthed switch according to claim 1, it is characterized in that: the output revolving shaft on described operating mechanism is connected by spline housing with the breaker operator axle.
8. a kind of combined electrical apparatus with isolating switch, vacuum circuit-breaker, earthed switch according to claim 1 is characterized in that: the top of frame first arranges an insulation crossbeam, and three bus inlet wire intercolumniations are every being fixed on the insulation crossbeam.
9. according to the described a kind of combined electrical apparatus with isolating switch, vacuum circuit-breaker, earthed switch of claim 1 to 8 any one, it is characterized in that: described operating mechanism comprises a housing, the output revolving shaft of operating mechanism is contained on housing, the housing of operating mechanism fixes by bolt and frame, described housing is provided with the ground connection handle hole, and an end of ground connection rotating shaft is through on the ground connection handle hole of described housing.
10. according to claim 9 a kind of with isolating switch, vacuum circuit-breaker, the combined electrical apparatus of earthed switch, it is characterized in that: an operation rotating shaft also is housed on the housing of described operating mechanism, one energy storage rotating shaft, the operation rotating shaft, the energy storage rotating shaft, output revolving shaft is parallel to each other, the operation rotating shaft is connected by a pair of gear with the energy storage rotating shaft, between the rear portion of energy storage rotating shaft and described housing, the energy storage extension spring is housed, cam also is housed in the energy storage rotating shaft, keep sincere son, output toggle arm is housed on output revolving shaft, keep roller, the output roller is housed on output toggle arm, the output roller that clashes into output toggle arm on output revolving shaft by energy storage rotating shaft overhead cam realizes that output revolving shaft rotates, when output revolving shaft forwards certain position to, the sincere son of maintenance in the energy storage rotating shaft withstands the location that the maintenance roller on output revolving shaft is realized output revolving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203791142U CN203312629U (en) | 2013-06-28 | 2013-06-28 | Combined electric appliance with isolation switch, vacuum circuit breaker and grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203791142U CN203312629U (en) | 2013-06-28 | 2013-06-28 | Combined electric appliance with isolation switch, vacuum circuit breaker and grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203312629U true CN203312629U (en) | 2013-11-27 |
Family
ID=49618804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203791142U Withdrawn - After Issue CN203312629U (en) | 2013-06-28 | 2013-06-28 | Combined electric appliance with isolation switch, vacuum circuit breaker and grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203312629U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311812A (en) * | 2013-06-28 | 2013-09-18 | 浙江天润电力科技有限公司 | Combined electrical apparatus with isolation switch, vacuum breaker and earthing switch |
| CN104319133A (en) * | 2014-11-05 | 2015-01-28 | 湖州电力设备成套有限公司 | Switch cabinet having interlocking function |
| CN106786005A (en) * | 2016-11-14 | 2017-05-31 | 北京双杰电气股份有限公司 | A kind of high-tension switch cabinet |
| CN111404035A (en) * | 2020-04-28 | 2020-07-10 | 江苏神一电气有限公司 | Side-mounted high-voltage combined electrical apparatus |
| CN114121541A (en) * | 2020-08-28 | 2022-03-01 | 西门子股份公司 | Gas-insulated medium-or high-voltage switchgear assembly having a blade contact carrier |
-
2013
- 2013-06-28 CN CN2013203791142U patent/CN203312629U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311812A (en) * | 2013-06-28 | 2013-09-18 | 浙江天润电力科技有限公司 | Combined electrical apparatus with isolation switch, vacuum breaker and earthing switch |
| CN103311812B (en) * | 2013-06-28 | 2015-07-15 | 浙江天润电力科技有限公司 | Combined electrical apparatus with isolation switch, vacuum breaker and earthing switch |
| CN104319133A (en) * | 2014-11-05 | 2015-01-28 | 湖州电力设备成套有限公司 | Switch cabinet having interlocking function |
| CN106786005A (en) * | 2016-11-14 | 2017-05-31 | 北京双杰电气股份有限公司 | A kind of high-tension switch cabinet |
| CN111404035A (en) * | 2020-04-28 | 2020-07-10 | 江苏神一电气有限公司 | Side-mounted high-voltage combined electrical apparatus |
| CN111404035B (en) * | 2020-04-28 | 2024-04-16 | 江苏神一电气有限公司 | Side-mounted high-voltage combined electrical apparatus |
| CN114121541A (en) * | 2020-08-28 | 2022-03-01 | 西门子股份公司 | Gas-insulated medium-or high-voltage switchgear assembly having a blade contact carrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131127 Effective date of abandoning: 20150715 |
|
| RGAV | Abandon patent right to avoid regrant |