CN205230924U - High -voltage vacuum circuit breaker - Google Patents
High -voltage vacuum circuit breaker Download PDFInfo
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- CN205230924U CN205230924U CN201521032097.0U CN201521032097U CN205230924U CN 205230924 U CN205230924 U CN 205230924U CN 201521032097 U CN201521032097 U CN 201521032097U CN 205230924 U CN205230924 U CN 205230924U
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Abstract
The utility model discloses a high -voltage vacuum circuit breaker, it relates to circuit breaker technical field. It includes quick -witted case, mechanism module, the welding operation macroaxis, a major loop, touch the arm, contact and chassis car, mechanism module and welding operation macroaxis are installed to the machine incasement, the major loop is transversely installed one time to the rear side of machine case, the welding operation macroaxis is located the bottom of quick -witted case, the front end of welding operation macroaxis passes through the link arm and is connected with mechanism module, the rear end of welding operation macroaxis is through insulating pull rod and main loop connection once, the upper and lower leading -out terminal of a major loop is all installed and is touched the arm, touch and install the contact on the arm, the chassis car is installed to the bottom of machine case. The utility model discloses a spare part is simple reliable, and it is convenient to maintain, the transmission is stable, and mechanical characteristic is good, the high and long service life of reliability.
Description
Technical field
The utility model relates to breaker technical field, be specifically related to a kind of high-pressure vacuum breaker.
Background technology
Existing high-pressure vacuum breaker adopts spring operating mechanism mostly, two kinds of mounting meanss can be divided into: be a kind ofly arranged on by each parts in the framework that welded, operation macro-axis adopts splined shaft and each drive disk assembly assembly and connection, but this mode turn join, very inconvenient when overhauling, and splined shaft has wearing and tearing when moving, make breaker mechanic property unstable, have a strong impact on the useful life of circuit breaker; The another kind of modular that adopts is installed, an independently entirety is made by each parts of mechanism, be arranged on as a module in the framework welded, traditional modular mounting means is also adopt splined shaft transmission, and mechanism module is complicated, is difficult to install, there is mechanical property instability equally, the defects such as the life-span is low, in order to solve the problem, design a kind of high-pressure vacuum breaker or necessary.
Summary of the invention
For the deficiency that prior art exists, the utility model object is to provide a kind of high-pressure vacuum breaker, reasonable in design, adopt the independent welding operation macro-axis installing small organization module, independent installation, parts are simple and reliable, easy to maintenance, stable transmission, mechanical property is good, the high and long service life of reliability.
To achieve these goals, the utility model realizes by the following technical solutions: a kind of high-pressure vacuum breaker, comprise cabinet, mechanism module, welding operation macro-axis, a major loop, contact arm, contact and chassis vehicle, mechanism module and welding operation macro-axis are installed in cabinet, the posterior lateral of cabinet is provided with a major loop, welding operation macro-axis is positioned at the bottom of cabinet, the front end of welding operation macro-axis is connected with mechanism module by link arm, the rear end of welding operation macro-axis is connected with a major loop by insulated tension pole, the upper lower wire end of a major loop is all provided with contact arm, contact arm is provided with contact, the bottom of cabinet is provided with chassis vehicle.
As preferably, described mechanism module comprises left plate, right plate, back-up block, energy storage motor, drive gear members, energy storage gear wheel, closing pawl, energy-stored spring, rotate to close and play connecting lever, energy storage axle, combined floodgate release, separating brake sincere sub-portion dress, separating brake release, close sub-support axle, prop up pin, export clamping plate, cam, export roller, bearing, link arm, tripping spring, co-bit torsion spring, divide position torsion spring and export fixed axis, left plate, right plate is arranged on the both sides of mechanism module, left plate, right plate is fixed by four back-up blocks, and left plate is provided with energy storage motor, and the output gear of energy storage motor is connected with the clutch gear flank of tooth of drive gear members, and drive gear members also comprises axle key gear, limit shaft sleeve, clutch gear is sleeved on outside the axle of axle key gear, clutch gear inside is connected with axle key gear, limit shaft sleeve is fixed between left plate and right plate, limit shaft sleeve inside is arranged on axle key gear by unilateral bearing, the left end flank of tooth of axle key gear is connected with the energy storage gear wheel flank of tooth, energy storage gear wheel, cam is installed on energy storage axle, and the flank of tooth of energy storage gear wheel is connected with axle key gear, and the side of energy storage gear wheel is welded with top and emits, spring crank arm, soldering pin, soldering pin is provided with roller.
As preferably, described energy-stored spring comprises the first energy-stored spring, the second energy-stored spring, first energy-stored spring, the second energy-stored spring lay respectively at the both sides of mechanism module, and the upper end of the first energy-stored spring is arranged on spring crank arm, and the lower end of the first energy-stored spring is fixed on cabinet; The upper end of the second energy-stored spring is arranged on to rotate to close and plays on connecting lever, and the lower end of the second energy-stored spring is fixed on cabinet; Closing pawl is arranged on and closes on sub-support axle, closes sub-support axle and is fixed on left plate and right plate, left plate, right plate are also separately installed with combined floodgate release, separating brake release; Separating brake sincere sub-portion dress comprises the sincere son of separating brake, oilless bearing and the sincere daughter board of dropout, and oilless bearing is fixedly mounted by rivet and the sincere son of separating brake, sincere daughter board of threading off, and separating brake sincere sub-portion dress is arranged on and closes on sub-support axle.
As preferably, described output clamping plate are provided with two panels, exporting clamping plate is rotatably installed on output fixed axis, exporting fixed axis is fixed between left plate and right plate, a described pin is arranged in bearing, and bearing is provided with two, and bearing is arranged on and exports on clamping plate, be connected and installed with by pin between two output clamping plate and export roller and link arm, link arm is also mounted on welding operation macro-axis by pin; Described tripping spring is provided with two, the lower end of tripping spring is arranged on welding operation macro-axis, the upper end of tripping spring is arranged on cabinet, co-bit torsion spring, a point position torsion spring are arranged on and close on sub-support axle, one end of co-bit torsion spring is connected with closing pawl, and the other end of co-bit torsion spring is fixed on left plate; One end and the sincere sub-portion load of separating brake of point position torsion spring connect, and the other end of point position torsion spring is fixed on right plate.
As preferably, described welding operation macro-axis comprises input connecting lever, main shaft, three-phase connecting lever, sluice separating spring connecting lever, moving block and cushion idler, input connecting lever is provided with two, be welded on the front side of main shaft, it is three right that three-phase connecting lever is provided with, three-phase connecting lever is welded on the rear side of main shaft, three-phase connecting lever is corresponding with the three-phase pole of vacuum circuit-breaker respectively, sluice separating spring connecting lever is provided with two, sluice separating spring connecting lever is welded between two three-phase connecting levers respectively, moving block is provided with three, moving block is positioned at the front end of the three-phase connecting lever of every phase, between input connecting lever, cushion idler is installed.
As preferably, described cabinet is also provided with buffer, it is corresponding that the center of buffer and welding macro-axis two input connecting lever center.
The beneficial effects of the utility model: solve the problem that the existing vacuum circuit-breaker life-span is low, maintenance is inconvenient, mechanical property is unstable, internal structure is compact, parts are simple and reliable, adopt independent installation small organization module, the independent welding operation macro-axis installed, mechanism module and welding operation macro-axis can be dismantled from cabinet, it is convenient that assembling is safeguarded, decrease simultaneously between parts wearing and tearing, improve useful life of vacuum circuit-breaker, there is miniaturization, the advantage of high reliability.
Accompanying drawing explanation
The utility model is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the structural representation of the utility model mechanism module;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the right view of Fig. 4;
Fig. 7 is the partial schematic diagram of Fig. 4;
Fig. 8 is the perspective view of the utility model welding operation macro-axis.
Embodiment
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the utility model further.
With reference to Fig. 1-8, this embodiment is by the following technical solutions: a kind of high-pressure vacuum breaker, comprise cabinet 1, mechanism module 2, welding operation macro-axis 3, a major loop 4, contact arm 5, contact 6 and chassis vehicle 7, mechanism module 2 and welding operation macro-axis 3 are installed in cabinet 1, major loop 4 transverse arrangement of turbo is installed on the rear side of cabinet 1, a major loop 4 can be pole, also can be arranged in insulating cylinder, welding operation macro-axis 3 is positioned at the bottom of cabinet 1, the front end of welding operation macro-axis 3 is connected with mechanism module 2 by link arm, the rear end of welding operation macro-axis 3 is connected with a major loop 4 by insulated tension pole, the upper lower wire end of a major loop 4 is all provided with contact arm 5, for the connection of primary circuit, contact arm 5 is provided with contact 6, the bottom of cabinet 1 is provided with chassis vehicle 7, for advancing vacuum circuit-breaker.
Described mechanism module 2 comprises left plate M1, right plate M2, back-up block M3, energy storage motor M4, drive gear members M5, energy storage gear wheel M6, closing pawl M7, energy-stored spring M8, rotate to close and play connecting lever M9, energy storage axle M10, combined floodgate release M11, the sincere sub-portion dress M12 of separating brake, separating brake release M13, close sub-support axle M14, prop up pin M15, export clamping plate M16, cam M17, export roller M18, bearing M19, link arm M20, tripping spring M21, co-bit torsion spring M22, divide position torsion spring M23 and export fixed axis M24, left plate M1, right plate M2 is arranged on the both sides of mechanism module 2, left plate M1, right plate M2 is fixed by four back-up block M3, left plate M1 is provided with energy storage motor M4, the output gear M4-1 of energy storage motor M4 is connected with the clutch gear M5-1 flank of tooth of drive gear members M5.
Described drive gear members M5 also comprises axle key gear M5-2, limit shaft sleeve M5-3, clutch gear M5-1 is sleeved on outside the axle of axle key gear M5-2, clutch gear M5-1 inside is connected with axle key gear M5-2, limit shaft sleeve M5-3 is fixed between left plate M1 and right plate M2, limit shaft sleeve M5-3 inside is arranged on axle key gear M5-2 by unilateral bearing, can ensure that axle key gear M5-2 can only one-directional rotation, the left end flank of tooth of axle key gear M5-2 is connected with the energy storage gear wheel M6 flank of tooth, energy storage gear wheel M6, cam M17 is installed on energy storage axle M10, the flank of tooth of energy storage gear wheel M6 is connected with axle key gear M5-2, the side of energy storage gear wheel M6 is welded with top and emits M6-1, spring crank arm M6-2, soldering pin M6-3, soldering pin M6-3 is provided with roller M6-4.
It should be noted that, described energy-stored spring M8 comprises the first energy-stored spring, the second energy-stored spring, first energy-stored spring, the second energy-stored spring lay respectively at the both sides of mechanism module 2, the upper end of the first energy-stored spring is arranged on spring crank arm M6-2, and the lower end of the first energy-stored spring is fixed on cabinet 1; The upper end of the second energy-stored spring is arranged on to rotate to close and plays on connecting lever M9, and the lower end of the second energy-stored spring is fixed on cabinet 1.
Described closing pawl M7 is arranged on and closes on sub-support axle M14, closing sub-support axle M14 is fixed on left plate M1 and right plate M2, closing pawl M7 inside is provided with bearing and can rotates on conjunction sub-support axle M14, combined floodgate release M11 is arranged on left plate M1, and the motion of its iron core can drive closing pawl M7 to rotate on conjunction sub-support axle M14; Separating brake release M13 is arranged on right plate M2, and the motion of its iron core can drive the sincere sub-portion dress M12 of separating brake to rotate on conjunction sub-support axle M14; The sincere sub-portion dress M12 of separating brake comprises the sincere sub-M12-1 of separating brake, oilless bearing M12-2 and the sincere daughter board M12-3 that threads off, oilless bearing M12-2 is positioned at middle part, be fixed together with the sincere sub-M12-1 of separating brake, sincere daughter board M12-3 rivet of threading off, the sincere sub-portion dress M12 of separating brake is arranged on and closes on sub-support axle M14.
Export clamping plate M16 and be provided with two panels, export clamping plate M16 and be rotatably installed on output fixed axis M24, export fixed axis M24 and be fixed between left plate M1 and right plate M2; Propping up pin M15 is arranged in bearing M19, bearing M19 is provided with two, bearing M19 is arranged on and exports on clamping plate M16, and be connected and installed with by pin between two output clamping plate M16 and export roller M18 and link arm M20, link arm M20 is also mounted on welding operation macro-axis 3 by pin.
Tripping spring M21 is provided with two, the lower end of tripping spring M21 is arranged on welding operation macro-axis 3, the upper end of tripping spring M21 is arranged on cabinet 1, co-bit torsion spring M22, a point position torsion spring M23 are arranged on and close on sub-support axle M14, one end of co-bit torsion spring M22 is connected with closing pawl M7, the other end of co-bit torsion spring M22 is fixed on left plate M1, and co-bit torsion spring M22 can make closing pawl M7 reset in a free state; Divide one end of position torsion spring M23 to fill M12 with the sincere sub-portion of separating brake to be connected, the other end of point position torsion spring M23 is fixed on right plate M2, and a point position torsion spring M23 can make the sincere sub-portion dress M12 of separating brake reset in a free state.
It should be noted that, described welding operation macro-axis 3 comprises input connecting lever 3-1, main shaft 3-2, three-phase connecting lever 3-3, sluice separating spring connecting lever 3-4, moving block 3-5 and cushion idler 3-6, input connecting lever 3-1 is provided with two, be welded on the front side of main shaft 3-2, it is three right that three-phase connecting lever 3-3 is provided with, three-phase connecting lever 3-3 is welded on the rear side of main shaft 3-2, three-phase connecting lever 3-3 is corresponding with the three-phase pole of vacuum circuit-breaker respectively, sluice separating spring connecting lever 3-4 is provided with two, sluice separating spring connecting lever 3-4 is welded between two three-phase connecting lever 3-3 respectively, moving block 3-5 is provided with three, moving block 3-5 is positioned at the front end of the three-phase connecting lever 3-3 of every phase, between input connecting lever 3-1, cushion idler 3-6 is installed, compared with conventional spline axle, welding operation macro-axis 3 is by welding together each parts, decrease the gap between transmission, effectively raise stability and the mechanical endurance of vacuum circuit-breaker.
In addition, described cabinet 1 is also provided with buffer 8, it is corresponding that its center and welding two of macro-axis 3 input connecting lever 3-1 center.
This embodiment realizes the electric current cutting off primary circuit under high-tension circuit, mainly contains three operations: stored energy operation, closing operation and sub-switching operation.
1, stored energy operation: energy storage motor M4 electric after, its output gear M4-1 rotates, output gear M4-1 rotates and drives clutch gear M5-1 successively, axle key gear M5-2, energy storage gear wheel M6, rotate to close and play connecting lever M9 rotation, energy storage gear wheel M6 and rotation are closed and are played connecting lever M9 stretching energy-stored spring M8 simultaneously, when energy-stored spring M8 arrives peak when moving forward to certain position, roller M6-3 contacts with closing pawl M7, thus energy storage gear wheel M6 continuation motion will be limited, energy-stored spring M8 is remained on extended state, top on the gear wheel of energy storage simultaneously M6 emits M6-1 promotion clutch gear M5-1 to make clutch gear M5-1 depart from axle key gear M5-2, and now the power supply of energy storage motor is cut off, energy storage is complete, circuit breaker remains on energy storage position.
2, closing operation: after breaker energy storage, when circuit breaker is in open position, to the combined floodgate release M11 combined floodgate signal of telecommunication, combined floodgate release M11 energized action also promotes closing pawl M7 itself and roller M6-3 is departed from; Now, energy-stored spring M8 is released, energy storage gear wheel M6 rotates rapidly under the pulling force of energy-stored spring M8, thus once drive energy storage axle M10, cam M17 rotate, contact with output roller M18 after cam M17 turns an angle, and driver output roller M18 moves downward, drive exports clamping plate M16 successively downwards, pin M15, a link arm M20 move downward to export roller M18, link arm 20 drives welding operation macro-axis 3 to rotate on its main shaft, make its moving block 3-5 drive the insulated tension pole on pole to move upward, realize a major loop 4 and close a floodgate; After a pin M15 moves downward certain position, the sincere sub-M12-1 of separating brake of the sincere sub-portion dress M12 of separating brake will prop up pin M15 and remain on its draw-in groove inside and limit it and move upward under point position torsion spring M23 effect, make circuit breaker remain on "on" position.
3, sub-switching operation: after breaker closing, to the separating brake release M13 separating brake signal of telecommunication, separating brake release M13 energized action, and promote separating brake sincere sub-portion dress M12 rotation, make it depart from a pin M15, now output clamping plate M16, link arm M20 are released, and interlock wins 31 in succession, welding operation macro-axis 3 drives each link counter motion under tripping spring 9 acts on, and makes major loop 4 separating brake; After certain position, the cushion idler 3-6 of welding operation macro-axis 3 contacts buffer, and each parts easy motion under the cushioning effect of buffer finally remains on open position.
This embodiment internal structure is compact, simple and reliable, adopts independent installation small organization module and welding operation macro-axis, can from disassembly and assembly cabinet, it is convenient to safeguard, reduces wear, and improves useful life, there is miniaturization, the advantages such as high reliability, there is market application foreground widely.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. a high-pressure vacuum breaker, it is characterized in that, comprise cabinet (1), mechanism module (2), welding operation macro-axis (3), a major loop (4), contact arm (5), contact (6) and chassis vehicle (7), mechanism module (2) and welding operation macro-axis (3) are installed in cabinet (1), the posterior lateral of cabinet (1) is provided with a major loop (4), welding operation macro-axis (3) is positioned at the bottom of cabinet (1), the front end of welding operation macro-axis (3) is connected with mechanism module (2) by link arm, the rear end of welding operation macro-axis (3) is connected with a major loop (4) by insulated tension pole, the upper lower wire end of a major loop (4) is all provided with contact arm (5), contact arm (5) is provided with contact (6), the bottom of cabinet (1) is provided with chassis vehicle (7).
2. a kind of high-pressure vacuum breaker according to claim 1, is characterized in that, described mechanism module (2) comprises left plate (M1), right plate (M2), back-up block (M3), energy storage motor (M4), drive gear members (M5), energy storage gear wheel (M6), closing pawl (M7), energy-stored spring (M8), rotate to close and play connecting lever (M9), energy storage axle (M10), combined floodgate release (M11), sincere sub-portion's dress (M12) of separating brake, separating brake release (M13), close sub-support axle (M14), prop up pin (M15), export clamping plate (M16), cam (M17), export roller (M18), bearing (M19), link arm (M20), tripping spring (M21), co-bit torsion spring (M22), divide position torsion spring (M23) and export fixed axis (M24), left plate (M1), right plate (M2) is arranged on the both sides of mechanism module (2), left plate (M1), right plate (M2) is fixed by four back-up blocks (M3), left plate (M1) is provided with energy storage motor (M4), the output gear (M4-1) of energy storage motor (M4) is connected with clutch gear (M5-1) flank of tooth of drive gear members (M5), and drive gear members (M5) also comprises axle key gear (M5-2), limit shaft sleeve (M5-3), clutch gear (M5-1) is sleeved on outside the axle of axle key gear (M5-2), clutch gear (M5-1) inside is connected with axle key gear (M5-2), limit shaft sleeve (M5-3) is fixed between left plate (M1) and right plate (M2), limit shaft sleeve (M5-3) inside is arranged on axle key gear (M5-2) by unilateral bearing, the left end flank of tooth of axle key gear (M5-2) is connected with energy storage gear wheel (M6) flank of tooth, energy storage gear wheel (M6), cam (M17) is installed on energy storage axle (M10), the flank of tooth of energy storage gear wheel (M6) is connected with axle key gear (M5-2), and the side of energy storage gear wheel (M6) is welded with top and emits (M6-1), spring crank arm (M6-2), soldering pin (M6-3), soldering pin (M6-3) is provided with roller (M6-4).
3. a kind of high-pressure vacuum breaker according to claim 1, it is characterized in that, described energy-stored spring (M8) comprises the first energy-stored spring, the second energy-stored spring, first energy-stored spring, the second energy-stored spring lay respectively at the both sides of mechanism module (2), the upper end of the first energy-stored spring is arranged on spring crank arm (M6-2), and the lower end of the first energy-stored spring is fixed on cabinet (1); The upper end of the second energy-stored spring is arranged on to rotate to close and plays on connecting lever (M9), and the lower end of the second energy-stored spring is fixed on cabinet (1).
4. a kind of high-pressure vacuum breaker according to claim 1, it is characterized in that, described closing pawl (M7) is arranged on and closes in sub-support axle (M14), close sub-support axle (M14) and be fixed on left plate (M1) with on right plate (M2), left plate (M1), right plate (M2) are also separately installed with combined floodgate release (M11), separating brake release (M13).
5. a kind of high-pressure vacuum breaker according to claim 1, it is characterized in that, sincere sub-portion's dress (M12) of described separating brake comprises the sincere son of separating brake (M12-1), oilless bearing (M12-2) and sincere daughter board (M12-3) of threading off, oilless bearing (M12-2) is fixedly mounted by rivet and the sincere son of separating brake (M12-1), sincere daughter board (M12-3) of threading off, and sincere sub-portion's dress (M12) of separating brake is arranged on closes in sub-support axle (M14).
6. a kind of high-pressure vacuum breaker according to claim 1, it is characterized in that, described output clamping plate (M16) are provided with two panels, exporting clamping plate (M16) is rotatably installed in output fixed axis (M24), exports fixed axis (M24) and is fixed between left plate (M1) and right plate (M2).
7. a kind of high-pressure vacuum breaker according to claim 1, it is characterized in that, a described pin (M15) is arranged in bearing (M19), bearing (M19) is provided with two, bearing (M19) is arranged on and exports on clamping plate (M16), be connected and installed with by pin between two outputs clamping plate (M16) and export roller (M18) and link arm (M20), link arm (M20) is also mounted on welding operation macro-axis (3) by pin.
8. a kind of high-pressure vacuum breaker according to claim 1, it is characterized in that, described tripping spring (M21) is provided with two, the lower end of tripping spring (M21) is arranged on welding operation macro-axis (3), the upper end of tripping spring (M21) is arranged on cabinet (1), co-bit torsion spring (M22), a point position torsion spring (M23) are arranged on and close in sub-support axle (M14), one end of co-bit torsion spring (M22) is connected with closing pawl (M7), and the other end of co-bit torsion spring (M22) is fixed on left plate (M1); Divide one end of position torsion spring (M23) to fill (M12) with the sincere sub-portion of separating brake to be connected, the other end of point position torsion spring (M23) is fixed on right plate (M2).
9. a kind of high-pressure vacuum breaker according to claim 1, it is characterized in that, described welding operation macro-axis (3) comprises input connecting lever (3-1), main shaft (3-2), three-phase connecting lever (3-3), sluice separating spring connecting lever (3-4), moving block (3-5) and cushion idler (3-6), input connecting lever (3-1) is provided with two, be welded on the front side of main shaft (3-2), it is three right that three-phase connecting lever (3-3) is provided with, three-phase connecting lever (3-3) is welded on the rear side of main shaft (3-2), three-phase connecting lever (3-3) is corresponding with the three-phase pole of vacuum circuit-breaker respectively, sluice separating spring connecting lever (3-4) is provided with two, sluice separating spring connecting lever (3-4) is welded between two three-phase connecting levers (3-3) respectively, moving block (3-5) is provided with three, moving block (3-5) is positioned at the front end of the three-phase connecting lever (3-3) of every phase, between input connecting lever (3-1), cushion idler (3-6) is installed.
10. a kind of high-pressure vacuum breaker according to claim 1, it is characterized in that, described cabinet (1) is also provided with buffer (8), and it is corresponding that the center of buffer (8) and welding macro-axis (3) two input connecting lever (3-1) center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521032097.0U CN205230924U (en) | 2015-12-14 | 2015-12-14 | High -voltage vacuum circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521032097.0U CN205230924U (en) | 2015-12-14 | 2015-12-14 | High -voltage vacuum circuit breaker |
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| CN205230924U true CN205230924U (en) | 2016-05-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390331A (en) * | 2015-12-14 | 2016-03-09 | 法乐绮电气(上海)有限公司 | High-voltage vacuum circuit breaker |
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2015
- 2015-12-14 CN CN201521032097.0U patent/CN205230924U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390331A (en) * | 2015-12-14 | 2016-03-09 | 法乐绮电气(上海)有限公司 | High-voltage vacuum circuit breaker |
| CN105390331B (en) * | 2015-12-14 | 2019-03-05 | 法乐绮电气(上海)有限公司 | A kind of high-pressure vacuum breaker |
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