CN204289302U - A kind of Sub-gate release device of circuit breaker - Google Patents
A kind of Sub-gate release device of circuit breaker Download PDFInfo
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- CN204289302U CN204289302U CN201420843511.5U CN201420843511U CN204289302U CN 204289302 U CN204289302 U CN 204289302U CN 201420843511 U CN201420843511 U CN 201420843511U CN 204289302 U CN204289302 U CN 204289302U
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- reset
- push plate
- release
- electromagnet
- separating brake
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Abstract
A Sub-gate release device for circuit breaker, belongs to low-voltage circuit breaker technical field.Circuit breaker comprises housing, be arranged on operating mechanism on housing and controller, and operating mechanism comprises separating brake release lever and main shaft; Controller comprises controller base; Sub-gate release device comprises the release electromagnet be arranged on controller base, push plate and electromagnet reset assembly, and after fault current occurs, release electromagnet drives push plate, drives separating brake release lever trigger mechanism to implement separating brake action by push plate; In separating brake action, the action of main shaft band motor magnet reset assembly makes release electromagnet reset, and separating brake release lever is automatically reset by a Spring driving and driven push plate to reset.By separating brake release lever, push plate is resetted, release electromagnet assembly is driven to reset by the reset assembly action of main shaft band motor magnet, thus being achieved automatically reseting of Sub-gate release device without the need to relying on external input signal, meeting the instructions for use under the operational environment of Rapid reset.
Description
Technical field
The utility model belongs to low-voltage circuit breaker technical field, is specifically related to a kind of Sub-gate release device of circuit breaker.
Background technology
Low-voltage circuit breaker is a kind of important controller switching equipment, is more specifically the protective device of low voltage electrical equipment, and it is in electric power system, when the grid collapses, disconnects the electrical connection between electrical network and low-voltage circuit breaker load, the safety of proof load.
Low-voltage circuit breaker in prior art, particularly low pressure all-purpose circuit breaker, when producing fault current (electric current that fault current causes as overload, short circuit), the automatic disjunction fault current of circuit breaker, and be in the state that can not again close a floodgate, when external command provides reset signal as operator, Sub-gate release device in circuit breaker carries out homing action, unlocked by the operating mechanism coordinated with Sub-gate release device, operating mechanism is closed a floodgate again, namely load can be accessed electrical network by circuit breaker.Along with the variation of user's request, wish that circuit breaker is after fault trip, just can close circuit breaker again without reset operation.
The technical information of tripping device for breaker knife switch can be seen in, as CN203312206U(tripping device for breaker knife switch in disclosed Chinese patent literature), etc.
Typical " a kind of controller base of low-voltage circuit breaker " as CN202268311U recommendation, by having the good and strong point that not easily loosens of push pedal installation reliability to the 0004 to 0005 section, the specification of this patent and known its of the reading of the 0026 to 0031 section, specification.But due to after separating brake is threaded off, need to rely on external reset signal and just driven Sub-gate release device to reset, thus cannot realize the shortcoming that reset is this patent fast under the operational environment requiring Rapid reset, be necessary in view of this to be improved.
Summary of the invention
Task of the present utility model is to provide a kind of triggering without the need to relying on external input signal can automatically reset and use the Sub-gate release device of the circuit breaker of the operational environment instructions for use meeting Rapid reset.
Task of the present utility model has been come like this, a kind of Sub-gate release device of circuit breaker, and described circuit breaker comprises housing, be arranged on operating mechanism on housing and controller, and described operating mechanism comprises separating brake release lever and main shaft; Described controller comprises controller base; Described Sub-gate release device comprises the release electromagnet, push plate and the electromagnet reset assembly that are arranged on described controller base, described release electromagnet drives described push plate to rotate after fault current occurs, and drives described separating brake release lever to trigger the action of described operating mechanism enforcement separating brake by push plate; In described separating brake action, described main shaft drives the action of described electromagnet reset assembly and this electromagnet reset assembly drives described release electromagnet to reset, and described separating brake release lever is automatically reset by a Spring driving and push plate described in driving resets.
In a specific embodiment of the present utility model, described operating mechanism also comprises pair of side plates and a top board, and pair of side plates corresponds to each other, and top board is between pair of side plates and correspond to the top of pair of side plates, side plate is configured with protruding end, protruding end is arranged with spring.
In another specific embodiment of the present utility model, described spring is torsion spring, and the first torsion spring pin of this torsion spring is resisted against on described top board, and the second torsion spring pin of torsion spring is resisted against on described separating brake release lever.
In another specific embodiment of the present utility model, described separating brake release lever is configured with abutting end, described release electromagnet comprises telescopic strike bar, and described push plate comprises push plate body, hub setting axle and end of threading off, and described push plate body is provided with passing hole; On the hub setting axis hole that the hub setting of hub setting axle is offered on described controller base; Described dropout end coordinates with described abutting end; Described telescopic strike bar matches with described passing hole edge.
In another specific embodiment of the present utility model, described main shaft is fixed with driving chip; Described electromagnet reset assembly comprises runing rest, mounting bracket and release link assembly; Mounting bracket is fixed on described controller base, runing rest is arranged on mounting bracket rotationally, release link assembly is flexible to be arranged on mounting bracket, described runing rest is configured with a bending part matched with described driving chip and a pair and described release link assembly compress coordinate compress flange.
Also have in a specific embodiment of the present utility model, described release link assembly comprises the first rod member, second rod member, first, second elastic component and sliding seat, first, second rod member is arranged on described mounting bracket with the state of self correspondence, first rod member expands towards one end of the first elastic component to be established and is configured with a supporting base, sliding seat is nested with on the second rod member, the outer wall of this sliding seat expands and establishes and be configured with one and compress a mouthful mating flanges, one end of first elastic component is bearing on supporting base, the other end is bearing in and compresses on mouthful mating flanges, and compress mouthful mating flanges with the described flange that compresses and contact, second elastic component stretches out between the external part of mounting bracket and mounting bracket at the second rod member, the first described rod member coordinates with described telescopic strike bar through described passing hole.
More of the present utility model and in a specific embodiment, the first described elastic component and the second elastic component are spring.
The technical scheme that utility model of the present invention provides makes push plate reset by separating brake release lever, release electromagnet assembly is driven to reset by the reset assembly action of main shaft band motor magnet, thus under the prerequisite without the need to relying on external input signal, being achieved automatically reseting of Sub-gate release device, meeting the instructions for use under the operational environment of Rapid reset.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
The detailed structure view of the main shaft that Fig. 2 is the controller shown in Fig. 1 and operating mechanism.
Fig. 3 is the schematic diagram of the controller base shown in Fig. 1 and Fig. 2.
Fig. 4 is the schematic diagram of the push plate shown in Fig. 1.
Fig. 5 is the schematic diagram of the driver plate shown in Fig. 2.
Fig. 6 is the schematic diagram of the electromagnet reset assembly of Fig. 1 and Fig. 2 signal.
Fig. 7 is the schematic diagram of the runing rest shown in Fig. 6.
What Fig. 8 was the push plate shown in Fig. 4 and the driver plate shown in Fig. 5 coordinates schematic diagram.
Fig. 9 is the partial schematic diagram of the operating mechanism shown in Fig. 1 and Fig. 2.
Figure 10 is the schematic diagram of the separating brake release lever shown in Fig. 9.
What Figure 11 was the indicator board shown in Fig. 2 and the driver plate shown in Fig. 5 coordinates schematic diagram.
Figure 12 is the schematic diagram of the release electromagnet shown in Fig. 1.
Embodiment
Applicant will describe in detail embodiment of the present utility model below by reference to the accompanying drawings; but applicant is not the restriction to technical scheme to the description of embodiment, any changing in the form rather than substance according to the utility model design all should be considered as protection range of the present utility model.
As Fig. 1, circuit breaker comprises Shell of circuit breaker 3, and Shell of circuit breaker 3 inside is provided with contact system, for closing parallel circuit.Shell of circuit breaker 3 is provided with operating mechanism 2, and the conjunction that this operating mechanism 2 is contact system divides action to provide energy.Be provided with controller 1 in the side (left side for location status shown in Fig. 1) of operating mechanism 2, when producing fault current, controller 1 trigger mechanism 2 is with contact system to carry out separating brake action.
See that Fig. 1 is to 3 and Fig. 9 to 10, housing 3 is thermoplastic, is formed by one-shot forming technique manufacture.Aforesaid operating mechanism 2 is mechanical component, comprises the main shaft 21 rotating and arrange, and main shaft 21 is for being connected with the dynamic moving contact touching system, and the moving contact being specially respective amount in three-phase or four phase circuit breakers connects, thus drives contact action.Due to operating mechanism 2 the concrete structure of inside belong to known technology, such as can see Chinese patent Authorization Notice No. CN202076198U " operating mechanism of air circuit ", thus applicant no longer launches explanation.Operating mechanism 2 also comprises pair of side plates 24 and shows with the top board 22(Fig. 9 being positioned at pair of side plates 24 top), that is pair of side plates 24 and a top board 22 form the external frame of operating mechanism 2.Operating mechanism 2 also comprises the separating brake release lever 23 carrying out separating brake action for trigger mechanism 2 intraware, and separating brake release lever 23 rotates and arranges and the abutting end 231 had outside a side plate 24 being positioned at operating mechanism 2.Aforementioned side plate 24 is configured with protruding end, protruding end is arranged with spring 241, spring 241 is torsion spring, first torsion spring pin of this torsion spring is resisted against on the top board 22 above side plate 24, be specially on the breach that is resisted against and is formed on top board 22, second torsion spring pin of torsion spring is resisted against one of aforesaid separating brake release lever 23 and stretches out on face, thus by spring 241 namely by torsion spring for separating brake release lever 23 provides reset force, help separating brake release lever 23 to reset.Certainly, the resetting means that aforesaid spring 241 can be commonly used for other except torsion spring, such as extension spring etc.
See Fig. 1 to 8 and Figure 12, controller 1 comprises controller base 15, and controller base 15 is arranged on Shell of circuit breaker 3, for carrying, register control 1 other parts except controller base 15.Controller base 15 is provided with release electromagnet 11, push plate 12 and electromagnet reset assembly 14.Specifically, controller base 15 is provided with the electromagnet container cavity 151 held for release electromagnet 11, electromagnet container cavity 151 is semi-cylindrical (Fig. 3 shows), to match with the profile of release electromagnet 11.As Figure 12, release electromagnet 11 comprises a telescopic strike bar 111.Aforesaid controller base 15 is also provided with a pair hub setting hole 153(Fig. 3 to show), hub setting hole 153 is for installing aforesaid push plate 12, and namely push plate 12 is rotated and is arranged on a pair described hub setting hole 153.Namely on the bottom surface of controller base 15, groove 152 is offered towards the side of Shell of circuit breaker 3 at controller base 15, corresponding to installing aforementioned electromagnetic iron reset assembly 14 above groove 152, and the main shaft 21 of operating mechanism 2 is provided with driving chip 211(Fig. 2 shows), driving chip 211 is driven with electromagnet reset assembly 14 by groove 152 and coordinates, specifically, driving chip 211 realizes action through groove 152 drive magnet reset assembly 14, thus drives release electromagnet 11 to reset by electromagnet reset assembly 14.
See Fig. 4, aforesaid push plate 12 comprises push plate body 121, hub setting axle 122, dropout end 124 and push side 125, and on push plate body 121, be provided with passing hole 123, when push plate body 121 is by after hub setting axle 122 hub setting on it is on the hub setting hole 153 of controller base 15, push plate body 121 is swingable.Be arranged in the dropout end 124 on push plate body 121, push side 125 followed by push plate body 121 in swing process and swings.Dropout end 124 coordinates with the abutting end 231 of aforesaid separating brake release lever 23, be specially when dropout end 124 promote abutting end 231 move time, then carry out separating brake action by its trigger mechanism 2, and abutting end 231 is by driving dropout end 124 to reset in the spring 241 driving reset of Fig. 9 signal, thus push plate 12 is driven to reset.Push side 125 is arranged on driver plate 16 that is on controller base 15 and that illustrated by Fig. 2, Fig. 6 and Fig. 8 coordinates with same, driver plate 16 is positioned at push plate 12 side (left side of location status shown in Fig. 8), driver plate 16 and push plate 12 concentric swing and arrange, driver plate 16 has driver plate hub setting axle 161, namely the oscillation center of driver plate 16 and the oscillation center of push plate 12 are located along the same line, and this design can make driver plate 16 and push plate 12 annexation between the two and realize the identical oscillating motion of angle.
See Fig. 6, aforesaid electromagnet reset assembly 14 is an assembly, it to be arranged on controller base 15 in corresponding cavity, electromagnet reset assembly 14 comprises runing rest 141, mounting bracket 143 and release link assembly 142, mounting bracket 143 is fixed on controller base 15, and it is corresponding with aforesaid groove 152, runing rest 141 is metalwork, it is bent by sheet metal and forms, it comprises a pair rotation hole 1413(Fig. 7 and shows), this is inserted in rotation hole 1413 and is arranged on an axle of mounting bracket 143, runing rest 141 realizes rotation with this and is arranged on mounting bracket 143.The side of runing rest 141 is provided with bending part 1411 near the position of one end of groove 152, this bending part 1411 contacts with the driving chip 211 of main shaft 21 and coordinates, namely after main shaft 21 rotates, driving chip 211 is followed and is rotated and drive bending part 1411 to move, thus driven rotary support 141 rotates, after runing rest 141 rotates, itself and release link assembly 142 compress coordinate and be positioned at the flange 1412 that compresses compressing mouth 14121 both sides and promote release link assembly 142 action.
Aforesaid release link assembly 142 comprises the first rod member 1421, second rod member 1422, first elastic component 1423, second elastic component 1425 and sliding seat 1424, first, second rod member 1421, 1422 are arranged on aforesaid mounting bracket 143 with the state of self correspondence, first rod member 1421 expands towards one end of the first elastic component 1423 to be established and is configured with a supporting base 14211, sliding seat 1424 is nested with on the second rod member 1422, the outer wall of this sliding seat 1424 expands and establishes and be configured with one and compress mouthful mating flanges 14241, one end of first elastic component 1423 is bearing on supporting base 14211, the other end is bearing in and compresses on mouthful mating flanges 1424, and compress mouthful mating flanges 1424 with the aforementioned flange 1412 that compresses and contact, second elastic component 1425 is between the external part stretching out mounting bracket 143 and mounting bracket 143 of the second rod member 1422, the first described rod member 1421 coordinates with described telescopic strike bar 111 through described passing hole 123.
Aforesaid first rod member 1421 and the second rod member 1422 are fixedly installed, the rod member assembly formed after both are fixing is slidably arranged on mounting bracket 143, and its telescopic direction also can claim telescopic strike to hold with the telescopic strike bar 111(of aforesaid release electromagnet 11) telescopic direction consistent, concrete, in the reseting procedure of telescopic strike bar 111, the first rod member 1421 makes telescopic strike bar 111 reset through the passing hole 123 on push plate body 121.The object adopting the first rod member 1421 and the second rod member 1422 to combine is to simplify installs, and is convenient to dismounting.By aforesaid second elastic component 1425 between the external part stretching out mounting bracket 143 and mounting bracket 143 of the second rod member 1422, the second rod member 1422 can be made to have reset trend to moving away from release electromagnet 11 direction.Thus whole release link assembly 142 has the reset trend in this direction.In above-mentioned scheme, aforesaid sliding seat 1424 also can be enclosed within the first rod member 1421.
Preferably, aforesaid first elastic component 1423 and the second elastic component 1425 are spring.
The release electromagnet 11 that controller base 15 is installed, push plate 12 and electromagnet reset assembly 14, these three parts constitute a Sub-gate release device, it according to the separating brake action of the instruction triggers operating mechanism 2 of outside trip signal, and can realize the Rapid reset of self.Concrete process is as follows, after release electromagnet 11 drives by external signal, its telescopic strike bar 111 hits passing hole 123 edge on the push plate body 121 of push plate 12, thus push plate body 121 is swung, dropout end 124 on it promotes abutting end 231 and moves, separating brake release lever 23 rotates, operating mechanism 2 performs sub-switching operation, in separating brake process, operating mechanism 2 drives its main shaft 21 to rotate, driving chip 211 on main shaft 21 drives release link assembly 142 by the telescopic strike bar 111(of release electromagnet 11 and iron core by runing rest 141) reset.Aforesaid separating brake release lever 23, because of the spring 241 i.e. effect of torsion spring, occur to reset and rotate, and drive dropout end 124 to reset by abutting end 231, thus there is reset and is rocked to initial position in push plate 12.Compared with prior art, this Sub-gate release device triggers homing action without the need to external signal.
See Figure 11, indicating arm 13 is also comprised at aforesaid controller base 15, indicating arm 13 hub setting is on controller base 15, indicating arm 13 has an indicating arm hub setting hole 132, indicating arm hub setting hole 132 coordinates with the circular shaft on controller base 15, realizes indicating arm 13 and arranges with the rotation of controller base 15.Indicating arm 13 is lever piece, also comprises and presses end 131 and keyed end 133, and press between end 131 and controller base 15 and be provided with a spring, spring provides rotary torque to indicating arm 13, and keyed end 133 coordinates with driver plate 16.Be specially, after push plate 12 promotes by release electromagnet 11, the end 162 that is pushed on driver plate 16 is driven to the direction away from release electromagnet 11 by push side 125 by push plate 12, after driver plate 16 follows rotation, indicating arm 13 tilts by it presses the Spring driving below end 131 the cooperation crossbeam 163 withstood on driver plate 16, locking driver plate 16, when outside people be press indicating arm 13 press end 131 time, remove the locking for driver plate 16, namely keyed end 133 is crossed and is coordinated crossbeam 163 to enter accommodation hole 164, and driver plate 16 is resetted.
As shown in the above description: owing to there is not the locking of driver plate 16 for push plate 12, make without the need to artificially unlocking push plate 12, achieve automatically reseting of push plate 12, and driver plate 16 and the effect of both indicating arms 13 are when breaking down also after trip operation mechanism 2, because indicating arm 13 there occurs rotation, and terminate in a location status, can show that this circuit breaker has carried out the experience of fault trip to operator.And do not participate in the reseting procedure of Sub-gate release device.
In sum, the utility model is owing to have employed said structure, without the need to the participation of driver plate 16 and indicating arm 13 in the reseting procedure of Sub-gate release device, simplify number of components, simultaneously in separating brake process, realized the reset of push plate 12 by separating brake release lever 23, be with motor magnet reset assembly 14 action by main shaft 21 and drive electromagnet assembly 11 to reset, thus achieving automatically reseting of Sub-gate release device.After adopting the technology of this patent, circuit breaker can realize automatically reseting.Namely meet the requirement carrying out immediately after circuit breaker failure is threaded off closing a floodgate, simplify the operation originally first must pressed reset button and close a floodgate again, saved the time; For remote reset, remote reset device can be installed, save cost.
Claims (7)
1. the Sub-gate release device of a circuit breaker, described circuit breaker comprises housing (3), be arranged on operating mechanism (2) on housing (3) and controller (1), and described operating mechanism (2) comprises separating brake release lever (23) and main shaft (21); Described controller (1) comprises controller base (15); It is characterized in that described Sub-gate release device comprises the release electromagnet (11), push plate (12) and the electromagnet reset assembly (14) that are arranged on described controller base (15), described release electromagnet (11) drives described push plate (12) to rotate after fault current occurs, and drives described separating brake release lever (23) to trigger the action of described operating mechanism (2) enforcement separating brake by push plate (12); In described separating brake action, described main shaft (21) drives described electromagnet reset assembly (14) action and this electromagnet reset assembly (14) drives described release electromagnet (11) to reset, and described separating brake release lever (23) is automatically reset by a Spring driving and push plate (12) described in driving resets.
2. the Sub-gate release device of a kind of circuit breaker according to claim 1, it is characterized in that described operating mechanism (2) also comprises pair of side plates (24) and a top board (22), pair of side plates (24) corresponds to each other, top board (22) to be positioned between pair of side plates (24) and to correspond to the top of pair of side plates (24), side plate (24) is configured with protruding end, protruding end is arranged with spring (241).
3. the Sub-gate release device of a kind of circuit breaker according to claim 2, it is characterized in that described spring is torsion spring, first torsion spring pin of this torsion spring is resisted against on described top board (22), and the second torsion spring pin of torsion spring is resisted against on described separating brake release lever (23).
4. the Sub-gate release device of a kind of circuit breaker according to claim 1, it is characterized in that being configured with abutting end (231) on described separating brake release lever (23), described release electromagnet (11) comprises telescopic strike bar (111), described push plate (12) comprises push plate body (121), hub setting axle (122) and end (124) of threading off, and described push plate body (121) is provided with passing hole (123); On the hub setting axis hole (153) that hub setting axle (122) hub setting is offered on described controller base (15); Described dropout end (124) coordinates with described abutting end (231); Described telescopic strike bar (111) is matched with described passing hole (123) edge.
5. the Sub-gate release device of a kind of circuit breaker according to claim 4, is characterized in that being fixed with driving chip (211) on described main shaft (21); Described electromagnet reset assembly (14) comprises runing rest (141), mounting bracket (143) and release link assembly (142); Mounting bracket (143) is fixed on described controller base (15), runing rest (141) is arranged on mounting bracket (143) rotationally, release link assembly (142) is flexible to be arranged on mounting bracket (143), described runing rest (141) is configured with a bending part (1411) matched with described driving chip (211) and a pair and described release link assembly (142) compress coordinate compress flange (1412).
6. the Sub-gate release device of a kind of circuit breaker according to claim 5, it is characterized in that described release link assembly (142) comprises the first rod member (1421), second rod member (1422), first, second elastic component (1423, 1425) and sliding seat (1424), first, second rod member (1421, 1422) be arranged on described mounting bracket (143) with the state of self correspondence, first rod member (1421) expands towards one end of the first elastic component (1423) to be established and is configured with a supporting base (14211), sliding seat (1424) is nested with on the second rod member (1422), the outer wall of this sliding seat (1424) expands and establishes and be configured with one and compress a mouthful mating flanges (14241), one end of first elastic component (1423) is bearing on supporting base (14211), the other end is bearing in and compresses on a mouthful mating flanges (14241), and compress a mouthful mating flanges (14241) with the described flange (1412) that compresses and contact, second elastic component (1425) is positioned between the external part stretching out mounting bracket (143) of the second rod member (1422) and mounting bracket (143), described the first rod member (1421) coordinates with described telescopic strike bar (111) through described passing hole (123).
7. the Sub-gate release device of a kind of circuit breaker according to claim 6, is characterized in that described the first elastic component (1423) and the second elastic component (1425) are spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843511.5U CN204289302U (en) | 2014-12-25 | 2014-12-25 | A kind of Sub-gate release device of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843511.5U CN204289302U (en) | 2014-12-25 | 2014-12-25 | A kind of Sub-gate release device of circuit breaker |
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| CN204289302U true CN204289302U (en) | 2015-04-22 |
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| CN201420843511.5U Active CN204289302U (en) | 2014-12-25 | 2014-12-25 | A kind of Sub-gate release device of circuit breaker |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118747A (en) * | 2015-09-24 | 2015-12-02 | 厦门宏发开关设备有限公司 | Release resetting device of breaker |
| CN106356264A (en) * | 2016-08-29 | 2017-01-25 | 天津市百利电气有限公司 | Tripping and resetting device of air circuit breaker controller |
| CN106783433A (en) * | 2017-01-05 | 2017-05-31 | 上海磊跃自动化设备有限公司 | The executing agency of low-voltage circuit breaker |
| CN106783439A (en) * | 2017-01-05 | 2017-05-31 | 上海磊跃自动化设备有限公司 | The resetting-mechanism of low-voltage circuit breaker executing agency |
| WO2018223321A1 (en) * | 2017-06-07 | 2018-12-13 | Abb瑞士股份有限公司 | Fuse device with micro-powered switch |
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2014
- 2014-12-25 CN CN201420843511.5U patent/CN204289302U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118747A (en) * | 2015-09-24 | 2015-12-02 | 厦门宏发开关设备有限公司 | Release resetting device of breaker |
| CN105118747B (en) * | 2015-09-24 | 2018-06-08 | 厦门宏发开关设备有限公司 | A kind of drop-away reset device of breaker |
| CN106356264A (en) * | 2016-08-29 | 2017-01-25 | 天津市百利电气有限公司 | Tripping and resetting device of air circuit breaker controller |
| CN106356264B (en) * | 2016-08-29 | 2018-01-23 | 天津市百利电气有限公司 | The dropout of omnipotent breaker controller and resetting means |
| CN106783433A (en) * | 2017-01-05 | 2017-05-31 | 上海磊跃自动化设备有限公司 | The executing agency of low-voltage circuit breaker |
| CN106783439A (en) * | 2017-01-05 | 2017-05-31 | 上海磊跃自动化设备有限公司 | The resetting-mechanism of low-voltage circuit breaker executing agency |
| CN106783433B (en) * | 2017-01-05 | 2019-02-15 | 上海磊跃自动化设备有限公司 | The executing agency of low-voltage circuit breaker |
| WO2018223321A1 (en) * | 2017-06-07 | 2018-12-13 | Abb瑞士股份有限公司 | Fuse device with micro-powered switch |
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