CN204045489U - The switching-off device of the circuit breaker of a kind of pair of permanent magnet mechanism operation - Google Patents
The switching-off device of the circuit breaker of a kind of pair of permanent magnet mechanism operation Download PDFInfo
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- CN204045489U CN204045489U CN201420481166.5U CN201420481166U CN204045489U CN 204045489 U CN204045489 U CN 204045489U CN 201420481166 U CN201420481166 U CN 201420481166U CN 204045489 U CN204045489 U CN 204045489U
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- permanent magnet
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Abstract
The utility model relates to the switching-off device of the circuit breaker of a kind of pair of permanent magnet mechanism operation, comprise the first permanent magnet mechanism connecting rod and the second permanent magnet mechanism connecting rod, handle connecting worm, worm screw is by worm-gear driven drive shaft turns, driving shaft connects an energy-stored spring, energy-stored spring is along with drive shaft turns distortion or reply, driving shaft is connected with the first power transmission shaft and second driving shaft, first power transmission shaft and second driving shaft are coaxially arranged with the first cam, second cam, first cam, second cam can promote the first described permanent magnet mechanism connecting rod, second permanent magnet mechanism connecting rod motion, first cam promotes the motion that the first permanent magnet mechanism and the second cam promote the second permanent magnet mechanism and there is time sequence difference.The utility model, by the setting of rational manual switching-off device, under power failure state, manually operates, and can realize two permanent magnet mechanisms and carry out separating brake according to certain sequencing, and opening characteristic is not by different manpower operating influence.
Description
Technical field
The utility model relates to a kind of manual switching-off device of permanent magnetic vacuum breaker.
Background technology
In recent years, along with the development of power electronic technology, there is a kind of novel operating mechanism-permanent-magnet manipulating mechanism.Permanent-magnet manipulating mechanism is by by electromagnet and permanent magnet special combination, realize the repertoire of conventional circuit breaker operating mechanism: replace traditional lock-off buckle mechanism to realize the maintenance function of extreme position by permanent magnet, energy required when providing operation by divide-shut brake coil.Can find out, due to the change of operation principle, the parts sum of whole mechanism significantly reduces, and the global reliability of mechanism is likely largely increased.Due to the feature of permanent magnet mechanism itself, can improve the reliability of circuit breaker, on/off switch characteristic is only relevant with coil parameter again simultaneously, and therefore the divide-shut brake characteristic of permanent magnet mechanism can be controlled by electronics or microsystem, realize the Based Intelligent Control of speed characteristics, there is self-checking function.
Due to permanent magnet mechanism point, closing operation needs could normal running when being energized, and under nonserviceabling, likely there is the power-off of linear quadratic control part and permanent magnet mechanism cannot be operated, in this situation, need to provide a kind of mechanical device, by the operation of outside manpower, permanent magnet mechanism separating brake can be made, thus realize the separating brake of vacuum circuit-breaker.But in prior art, due to different dependent manual operation, opening characteristic can be caused different.For the circuit breaker that single permanent magnet mechanism operates, there is good solution at present, but for the circuit breaker that two permanent magnet mechanism operates, require in manual brake separating process, Liang Ge mechanism needs according to certain time difference separating brake, and the opening characteristic of circuit breaker is not by the impact of different dependent manual operation, just need to design special manual brake separating operating mechanism.
Summary of the invention
In order to overcome deficiency above-mentioned in prior art, the utility model provides the switching-off device of the circuit breaker of a kind of pair of permanent magnet mechanism operation.
The technical scheme in the invention for solving the technical problem is:
The switching-off device of the circuit breaker of a kind of pair of permanent magnet mechanism operation, comprise the first permanent magnet mechanism connecting rod of the first permanent magnet mechanism and the second permanent magnet mechanism connecting rod of the second permanent magnet mechanism, it is characterized in that: also comprise handle, the worm screw of connecting handle, worm screw is by worm-gear driven drive shaft turns, driving shaft connects an energy-stored spring, described energy-stored spring is along with drive shaft turns distortion or reply, unilateral bearing is arranged with outside described driving shaft, described driving shaft is connected with the first power transmission shaft and second driving shaft, the first described power transmission shaft is coaxially arranged with the first cam, described first cam can promote the first described permanent magnet mechanism connecting rod motion, described second driving shaft is coaxially arranged with the second cam, the second described cam can promote the second described permanent magnet mechanism connecting rod motion, first cam promotes the motion that the first permanent magnet mechanism and the second cam promote the second permanent magnet mechanism and there is time sequence difference.
As preferably, the first cam, the second cam include basic circle end and cam end respectively, and the basic circle end of the first described cam is different to the stroke of cam end with the basic circle end of the second cam to the stroke of cam end.
As preferably, first permanent magnet mechanism connecting rod and the second permanent magnet mechanism connecting rod lower end are respectively arranged with projection, the cam end of the first cam, the second cam can conflict respectively projection upper surface and promote the first permanent magnet mechanism connecting rod, the second permanent magnet mechanism connecting rod moves downward.
As preferably, energy-stored spring is extension spring.
As preferably, driving shaft is coaxially connected with gear, the both sides of gear are connected with a joggle the first travelling gear and the second travelling gear respectively, and the first described power transmission shaft coaxially connects the first described travelling gear, and described second driving shaft coaxially connects the second described travelling gear.
In an initial condition, permanent magnet mechanism connecting rod realizes moving up and down respectively by coil electricity, and the basic circle end of cam, near permanent magnet mechanism connecting rod, does not affect permanent magnet mechanism connecting rod and moves up and down.Under nonserviceabling, permanent-magnet manipulating mechanism cannot normally work, now manual operation manual switching-off device, realizes the separating brake of vacuum circuit-breaker.When under permanent magnet mechanism control loop power failure state, only have manually operator manual brake-separating device, realize the separating brake of vacuum circuit-breaker.
During manual brake separating, manual swinging handle, drive shaft turns is driven by worm and wormwheel, in drive shaft turns process, energy-stored spring is stretched gradually, driving shaft is delivered to the first travelling gear and the second travelling gear respectively by gear simultaneously, first travelling gear is transferred to the first power transmission shaft, first power transmission shaft rotates drive first cam simultaneously and rotates, first cam comprises basic circle end and cam end, in like manner, second travelling gear is transferred to second driving shaft, second driving shaft rotates drive second cam simultaneously and rotates, second cam comprises basic circle end and cam end, after rotating 180 degree, energy-stored spring is stretched to extreme position, first cam, the basic circle end of the second cam is conflicted the first permanent magnet mechanism connecting rod respectively, second permanent magnet mechanism connecting rod, rotating driveshaft again, its deformation of energy-stored spring abrupt release, the first cam is driven fast by driving shaft, second cam rotates, now, the cam end of the first cam is conflicted the projection of the first permanent magnet mechanism drive rod lower end, and promote it and move downward, first permanent magnet mechanism connecting rod moves downward in process, separating brake is realized by actuated element, after energy-stored spring discharges completely, first cam return is to initial position, namely the first cam does not affect the motion of the first permanent magnet mechanism connecting rod, and the first permanent magnet mechanism connecting rod is due to the effect of permanent magnet, be fixed on lower position, then primary cut-out remains on open position.In like manner, during its deformation of energy-stored spring abrupt release, the second cam is driven to rotate fast by driving shaft, now, the cam end of the second cam is conflicted the projection of the second permanent magnet mechanism drive rod lower end, and promote it and move downward, second permanent magnet mechanism connecting rod moves downward in process, separating brake is realized by actuated element, after energy-stored spring discharges completely, second cam return is to initial position, namely the second cam does not affect the motion of the second permanent magnet mechanism connecting rod, and the second permanent magnet mechanism connecting rod is due to the effect of permanent magnet, be fixed on lower position, then primary cut-out remains on open position.
Adopt the manual switching-off device of this kind of structure, difference setting is carried out to the cam end of the first cam and the second cam, realizes according to certain sequencing separating brake.Because permanent magnet mechanism connecting rod promotes to rotate by cam, as long as namely basic circle end arranges difference to the stroke of cam end, when then rotating, the time that cam end promotes projection motion has successively, realizes the first permanent magnet mechanism and the second permanent magnet mechanism according to certain sequencing separating brake.If the first cam and the second cam are symmetrical arranged, then separating brake while that the first permanent magnet mechanism and the second permanent magnet mechanism being.
Manual switching-off device adopts energy-stored spring, manual shake is to energy-stored spring extreme position, swinging handle again, energy-stored spring transient burst of energy, thus actuating cam rotation promotion permanent magnet mechanism connecting rod moves downward, if cam promotes the release force of the energy-stored spring of advocating that permanent magnet mechanism connecting rod moves downward, then opening characteristic is not by the impact of different dependent manual operation, substantially by the impact of energy-stored spring, as long as to energy-stored spring appropriate design, just opening characteristic can be controlled.
At the outer sheathed unilateral bearing of driving shaft, then, when avoiding manual operation, driving shaft avoids reversed turning.
The beneficial effects of the utility model: the utility model is by the setting of rational manual switching-off device, under power failure state, manually operate, can realize two permanent magnet mechanisms and carry out separating brake according to certain sequencing, and opening characteristic is not by different manpower operating influence, after completing manual brake separating, manual-operating mechanism can be returned to initial position, does not affect permanent magnet mechanism closing operation next time.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the sectional structure schematic diagram of Fig. 1.
Fig. 3 is the side-looking structural representation of Fig. 1.
Fig. 4 is the opposite side TV structure schematic diagram of Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As Fig. 1, 2, 3, shown in 4, the switching-off device of the circuit breaker of a kind of pair of permanent magnet mechanism operation, include frame 1, first permanent magnet mechanism connecting rod 8 of the first permanent magnet mechanism and the second permanent magnet mechanism connecting rod 12 of the second permanent magnet mechanism, also comprise handle, the worm screw 2 of connecting handle, worm screw drives driving shaft 4 to rotate by worm gear 3, driving shaft 4 connects an energy-stored spring 18, energy-stored spring can be extension spring, energy-stored spring 18 is along with driving shaft 4 rotational deformation or reply, unilateral bearing 10 is arranged with outside driving shaft, driving shaft to be connected with a joggle the first travelling gear 9 and the second travelling gear 14 respectively by gear 5, first travelling gear 9 coaxial transmission is connected with the first power transmission shaft 6, second travelling gear 9 coaxial transmission is connected with second driving shaft 13, the first described power transmission shaft 6 is coaxially arranged with the first cam 7, described first cam 7 can promote the first described permanent magnet mechanism connecting rod 8 and move, described second driving shaft 13 is coaxially arranged with the second cam 11, the second described cam 11 can promote the second described permanent magnet mechanism connecting rod 12 and move.
First cam 8, second cam 11 includes basic circle end 15 and cam end 16 respectively, and the basic circle end of the first described cam 8 is different to the stroke of cam end with the basic circle end of the second cam 11 to the stroke of cam end.
First permanent magnet mechanism connecting rod 8 and the second permanent magnet mechanism connecting rod 12 lower end are respectively arranged with projection 17, and the cam end 16 of the first cam, the second cam can be conflicted projection 17 upper surface promote the first permanent magnet mechanism connecting rod 8, second permanent magnet mechanism connecting rod 12 and move downward respectively.
In an initial condition, permanent magnet mechanism connecting rod realizes moving up and down respectively by coil electricity, and the basic circle end of cam, near permanent magnet mechanism connecting rod, does not affect permanent magnet mechanism connecting rod and moves up and down.Under nonserviceabling, permanent-magnet manipulating mechanism cannot normally work, now manual operation manual switching-off device, realizes the separating brake of vacuum circuit-breaker.
During manual brake separating, manual swinging handle, driving shaft 4 is driven to rotate by worm screw 2 worm gear 3, in drive shaft turns process, energy-stored spring 18 is stretched gradually, driving shaft is delivered to the first travelling gear 9 and the second travelling gear 14 respectively by gear simultaneously, first travelling gear is transferred to the first power transmission shaft 6, first power transmission shaft rotates drive first cam 7 simultaneously and rotates, first cam comprises basic circle end and cam end, in like manner, second travelling gear 14 is transferred to second driving shaft 13, second driving shaft rotates drive second cam 11 simultaneously and rotates, second cam comprises basic circle end and cam end, after rotating 180 degree, energy-stored spring 18 is stretched to extreme position, first cam 7, the basic circle end of the second cam 11 is conflicted the first permanent magnet mechanism connecting rod 8 respectively, second permanent magnet mechanism connecting rod 12, rotating driveshaft again, its deformation of energy-stored spring 18 abrupt release, the first cam is driven fast by driving shaft, second cam rotates, now, the cam end 16 of the first cam is conflicted the projection of the first permanent magnet mechanism drive rod lower end, and promote it and move downward, first permanent magnet mechanism connecting rod moves downward in process, separating brake is realized by actuated element, after energy-stored spring discharges completely, first cam return is to initial position, namely the first cam 7 does not affect the motion of the first permanent magnet mechanism connecting rod 8, and the first permanent magnet mechanism connecting rod is due to the effect of permanent magnet, be fixed on lower position, then primary cut-out remains on open position.In like manner, during its deformation of energy-stored spring abrupt release, the second cam is driven to rotate fast by driving shaft, now, the cam end of the second cam 11 is conflicted the projection of the second permanent magnet mechanism drive rod 12 lower end, and promote it and move downward, second permanent magnet mechanism connecting rod moves downward in process, separating brake is realized by actuated element, after energy-stored spring discharges completely, second cam return is to initial position, namely the second cam does not affect the motion of the second permanent magnet mechanism connecting rod, and the second permanent magnet mechanism connecting rod is due to the effect of permanent magnet, be fixed on lower position, then primary cut-out remains on open position.
Adopt the manual switching-off device of this kind of structure, can realize according to certain sequencing separating brake.Because permanent magnet mechanism connecting rod promotes to rotate by cam, difference setting is carried out to the cam end of the first cam and the second cam, namely basic circle end 15 arranges difference to the stroke of cam end 16, when then rotating, the time that cam end 16 promotes projection motion has successively, realizes the first permanent magnet mechanism and the second permanent magnet mechanism according to certain sequencing separating brake.If the first cam and the second cam are symmetrical arranged, then separating brake while that the first permanent magnet mechanism and the second permanent magnet mechanism being.
Manual switching-off device adopts energy-stored spring, manual shake is to energy-stored spring 18 extreme position, swinging handle again, energy-stored spring transient burst of energy, thus actuating cam rotation promotion permanent magnet mechanism connecting rod moves downward, if cam promotes the release force of the energy-stored spring of advocating that permanent magnet mechanism connecting rod moves downward, then opening characteristic is not by the impact of different dependent manual operation, substantially by the impact of energy-stored spring, as long as to energy-stored spring appropriate design, just opening characteristic can be controlled.
At the outer sheathed unilateral bearing 10 of driving shaft, then, when avoiding manual operation, driving shaft avoids reversed turning.
The utility model is by the setting of rational manual switching-off device, under power failure state, manually operate, can realize two permanent magnet mechanisms and carry out separating brake according to certain sequencing, and opening characteristic is not by different manpower operating influence, after completing manual brake separating, manual-operating mechanism can be returned to initial position, does not affect permanent magnet mechanism closing operation next time.
Claims (5)
1. the switching-off device of the circuit breaker of a two permanent magnet mechanism operation, comprise the first permanent magnet mechanism connecting rod of the first permanent magnet mechanism and the second permanent magnet mechanism connecting rod of the second permanent magnet mechanism, it is characterized in that: also comprise handle, the worm screw of connecting handle, worm screw is by worm-gear driven drive shaft turns, driving shaft connects an energy-stored spring, described energy-stored spring is along with drive shaft turns distortion or reply, unilateral bearing is arranged with outside described driving shaft, described driving shaft is connected with the first power transmission shaft and second driving shaft, the first described power transmission shaft is coaxially arranged with the first cam, described first cam can promote the first described permanent magnet mechanism connecting rod motion, described second driving shaft is coaxially arranged with the second cam, the second described cam can promote the second described permanent magnet mechanism connecting rod motion, first cam promotes the motion that the first permanent magnet mechanism and the second cam promote the second permanent magnet mechanism and there is time sequence difference.
2. the switching-off device of the circuit breaker of a kind of pair of permanent magnet mechanism operation according to claim 1, it is characterized in that: the first described cam, the second cam include basic circle end and cam end respectively, the basic circle end of the first described cam is different to the stroke of cam end with the basic circle end of the second cam to the stroke of cam end.
3. the switching-off device of the circuit breaker of a kind of pair of permanent magnet mechanism operation according to claim 2, it is characterized in that: the first described permanent magnet mechanism connecting rod and the second permanent magnet mechanism connecting rod lower end are respectively arranged with projection, the cam end of the first cam, the second cam can conflict respectively projection upper surface and promote the first permanent magnet mechanism connecting rod, the second permanent magnet mechanism connecting rod moves downward.
4. the switching-off device of the circuit breaker of a kind of pair of permanent magnet mechanism operation according to claim 3, is characterized in that: described energy-stored spring is extension spring.
5. the switching-off device of the circuit breaker of a kind of pair of permanent magnet mechanism operation according to claim 4, it is characterized in that: described driving shaft is coaxially connected with gear, the both sides of gear are connected with a joggle the first travelling gear and the second travelling gear respectively, the first described power transmission shaft coaxially connects the first described travelling gear, and described second driving shaft coaxially connects the second described travelling gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481166.5U CN204045489U (en) | 2014-08-26 | 2014-08-26 | The switching-off device of the circuit breaker of a kind of pair of permanent magnet mechanism operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481166.5U CN204045489U (en) | 2014-08-26 | 2014-08-26 | The switching-off device of the circuit breaker of a kind of pair of permanent magnet mechanism operation |
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| Publication Number | Publication Date |
|---|---|
| CN204045489U true CN204045489U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420481166.5U Expired - Fee Related CN204045489U (en) | 2014-08-26 | 2014-08-26 | The switching-off device of the circuit breaker of a kind of pair of permanent magnet mechanism operation |
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| CN (1) | CN204045489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257817A (en) * | 2016-12-28 | 2018-07-06 | 上海良信电器股份有限公司 | A kind of electromagnetic switch pivoted arm structure-improved |
-
2014
- 2014-08-26 CN CN201420481166.5U patent/CN204045489U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257817A (en) * | 2016-12-28 | 2018-07-06 | 上海良信电器股份有限公司 | A kind of electromagnetic switch pivoted arm structure-improved |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20210826 |