CN205388964U - Circuit breaker operating device and circuit breaker - Google Patents
Circuit breaker operating device and circuit breaker Download PDFInfo
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- CN205388964U CN205388964U CN201620199545.4U CN201620199545U CN205388964U CN 205388964 U CN205388964 U CN 205388964U CN 201620199545 U CN201620199545 U CN 201620199545U CN 205388964 U CN205388964 U CN 205388964U
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- handle
- circuit breaker
- iron core
- connecting rod
- tripping
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Abstract
The utility model discloses a circuit breaker operating device and circuit breaker, the handle can rotate between separating brake position and combined floodgate position under the exogenic action, corresponds the separating brake and the separating brake of circuit breaker. The second connecting rod is connected handle and release, when arriving the combined floodgate position with rotate handle, the pivotal axis that the turned angle of handle is greater than the both ends of second connecting rod required turned angle during with the central line coplanar of the rotation axis of handle, the power that continues to keep away from the separating brake position is applyed to the second connecting rod when being located the combined floodgate position to the handle, thereby can resist the power of returning the separating brake position that first actuating lever was applyed to the handle, the auto -lock has been realized, consequently, can prevent and keep away from quiet iron core because of the coil outage leads to moving the iron core, the messenger moves the iron core and keeps in contact with quiet iron core. The circuit breaker includes foretell circuit breaker operating device. Circuit breaker operating device connects handle and release through setting up the second connecting rod to realize the auto -lock through setting up the combined floodgate position, make full use of the part of former circuit breaker, make whole circuit breaker operating device's structure simple more, reliable.
Description
Technical field
The utility model discloses a kind of circuit breaker operation mechanism and chopper, belong to Low Voltage Electrical Apparatus.
Background technology
The multi-functional terminal end electrical equipment of integrated form is called control and protective switching device (being called for short CPS) in the world, is a kind of electrical equipment major function of chopper with point electrical ionizer element such as isolator, thermorelay being comprehensively integrated.In the application of its chopper, comparing motor operation mechanism, electromagnetic mechanism has breaking speed and breaking capacity faster, but electromagnetic mechanism is when closing a floodgate, it is necessary to is energized for a long time by coil and keeps sound iron core adhesive, thus expending a large amount of electric energy.Therefore, the electromagnetic mechanism of chopper can introduce a kind of operating mechanism, after electromagnetic mechanism can being made to close a floodgate by this operating mechanism, coil no power can also make dynamic and static iron core keep adhesive, thus realizing energy-saving and emission-reduction, simultaneously, it is desirable to this operating mechanism needs the dynamic and static iron core disjunction that can allow electromagnetic mechanism during power-off to realize the separating brake of chopper in electricity consumption loop.
The operating mechanism of prior art, as Chinese patent literature CN2044803280U discloses a kind of compact electromagnetic operating mechanism, including electromagnetic mechanism, reaction spring and divide-shut brake assembly, divide-shut brake assembly includes being arranged at above electromagnetic mechanism and horizontally extending lever dolly and the fixed pivot that enables lever dolly to rotate around it, and reaction spring is mounted on the side of lever dolly；In the middle part of lever dolly, appropriate location connects dynamic iron core by the structure that is connected, so that lever dolly will not interfere by rotarily driving dynamic iron core rectilinear motion；Also including energy-saving mechanism, including lock catch unit and power saving unit, lock catch unit pins for the dynamic iron core that will move to attracted position, meanwhile, power saving unit control coil power-off, thus realizing electromagnetic operating mechanism when closing a floodgate without energising, save a large amount of electric energy.Described compact electromagnetic operating mechanism, when separating brake, lock catch unit releases the locking to dynamic iron core, made iron core away from static iron core by reaction spring effect, meanwhile, lever dolly rotates so that the movable contact on lever dolly is pivoted away from stationary contact, it is achieved separating brake.
Above-mentioned circuit breaker operation mechanism relies on and the co-rotational locking piece of handle, and when handle turns to closing position, locking piece abuts against the lateral pin driving dynamic iron core motion, anti-stop iron core returns original position, such that it is able to when coil blackout, dynamic iron core does not separate with static iron core, make energy-conservation being possibly realized.But, above-mentioned electromagnetic operating mechanism is owing to being additionally required parts such as arranging locking piece, and structure is complicated, takies expensive real estate in chopper, and reliability is relatively low.
Utility model content
This utility model to solve the technical problem that the structure in the circuit breaker operation mechanism of prior art is complicated, reliability is relatively low, provides a kind of simple in construction, relatively reliable circuit breaker operation mechanism for this.
A kind of circuit breaker operation mechanism that this utility model provides, including:
Electromagnetic mechanism, including dynamic iron core, coil and static iron core；
Handle, it is possible to rotate between the open position corresponding with circuit-breaker switching on-off and closing position under external force；
Second connecting rod, connects described handle and electrical apparatus release, when described handle turns to closing position, and rotational angle required when the rotational angle of described handle is coplanar more than the centrage of the pivotal axis at the two ends of described second connecting rod Yu the rotating shaft of handle；
First drive rod, connects described handle and described dynamic iron core, when described handle move between closing position and open position, drives described dynamic iron core close or away from static iron core；
Stake body, is fixed with power transmission shaft and is provided with the movable contact coordinated with stationary contact and the 3rd elastic component；
When described handle moves from open position to closing position, described power transmission shaft is pressed so that described stake body rotates by described first drive rod, movable contact is made to contact with stationary contact, when described handle moves from closing position to open position, described first drive rod decontrols the pressing to described power transmission shaft, thus under the effect of described 3rd elastic component, described stake body rotates and makes movable contact separate with stationary contact.
Further, also include handle spring, for applying to go to the power of open position or the component of power to handle.
Yet further, described handle spring is set on the rotating shaft of described handle, and one end is resisted against in the second rotating shaft of described electrical apparatus release, the other end laterally penetrates in described handle.
Preferably, described electrical apparatus release, including: rotating turret, snap close, tripping, snap close is arranged on rotating turret by the 5th rotating shaft and can around the 5th axis of rotation, and tripping and rotating turret are fixed on inner fixed stand by the second common rotating shaft；Described snap close is connected with described handle by described second connecting rod；Tripping has the linkage status locked together with described snap close and the released state separated with described snap close, and described tripping drives described handle motion to realize the dropout separating brake of chopper to open position by described second connecting rod after separating with described snap close.
Preferably, also including power saving features, described power saving features can make described coil blackout when turning to closing position by described handle.
Further, described power saving features includes the pressing piece arranged with the linkage of described stake body, the microswitch of control coil connecting and disconnecting of the circuit, when described stake body rotates and when making iron core contact with static iron core, described pressing piece can press described microswitch so that described coil blackout.
Yet further, described pressing piece is by described power transmission shaft and the linkage of described dynamic iron core, described pressing piece forms the long lumbar hole holding described power transmission shaft, when described power transmission shaft moves in company with described stake body, drive described pressing piece near or away from described microswitch.
Preferably, described movable contact and described 3rd elastic component lay respectively at the both sides of described power transmission shaft.
Preferably, described second connecting rod has two, and two described second connecting rods are coplanar and are positioned at the both sides of described handle and electrical apparatus release.
A kind of chopper that this utility model also provides for, including housing, is positioned at the binding post of housing both sides, arc-control device, tripping driving device, and circuit breaker operation mechanism as above, described tripping driving device can drive electrical apparatus release to complete dropout separating brake when circuit abnormality.
This utility model has the advantage that relative to prior art
1. circuit breaker operation mechanism disclosed in this utility model, handle can rotate under external force between open position and closing position, the separating brake of corresponding chopper and separating brake.Second connecting rod connects described handle and electrical apparatus release, when handle is turned to closing position, rotational angle required when the rotational angle of handle is coplanar more than the centrage of the pivotal axis at the two ends of second connecting rod Yu the rotating shaft of handle, namely handle turns in the process of closing position, when the pivotal axis at second connecting rod two ends is coplanar with rotating shaft, this is the critical localisation of handle divide-shut brake, open position can be returned when handle is not rotated up to this position, and handle is rotated further and exceedes this critical localisation and get to closing position, the now three-point shape triangularity of the pivotal axis at second connecting rod two ends and rotating shaft.It is positioned at second connecting rod during closing position to apply to continue the power away from open position to handle, such that it is able to the power returning open position that opposing the first drive rod applies to handle, achieve self-locking, therefore can stop and cause that because of coil blackout dynamic iron core is away from static iron core, makes iron core and static iron core keep in touch.Described circuit breaker operation mechanism, connects handle and electrical apparatus release by arranging second connecting rod, and realizes self-locking by arranging closing position, take full advantage of the parts of former chopper so that the structure of whole circuit breaker operation mechanism is simpler, reliable.
2. circuit breaker operation mechanism disclosed in this utility model, described stake body is fixed with power transmission shaft and is provided with the movable contact coordinated with stationary contact and the 3rd elastic component.When described handle moves from open position to closing position, pressing described power transmission shaft by described first drive rod so that described stake body rotates, making movable contact contact with stationary contact, thus realizing the combined floodgate of chopper.When described handle moves from closing position to open position, described first drive rod decontrols the pressing to described power transmission shaft, thus under the effect of described 3rd elastic component, described stake body rotates and makes movable contact separate with stationary contact, thus realizing the separating brake of chopper.
3. also including energy-saving mechanism, described energy-saving mechanism, after dynamic iron core contacts static iron core, realizes the power-off of coil is controlled by press-side or contact pressing microswitch, and then realizes the energy-saving and emission-reduction of chopper.Now owing to handle is maintained at closing position, therefore dynamic iron core can remain in that, in the cold situation of coil, the state contacted with static iron core, makes the movable contact of chopper keep adhesive with stationary contact.Only under the tripping driving device effect of circuit breaker internal, tripping separates with snap close, handle disequilibrium is made to turn to open position, or directly made it turn to open position on handle by External Force Acting, the movable contact of chopper can be made to separate with stationary contact, breaker open operation.
4. operating mechanism disclosed in this utility model, when the electrical apparatus release motion being connected with second connecting rod, the handle balanced being positioned at closing position is destroyed and turns to open position, so that the tripping driving device of circuit breaker internal can turn to open position by electrical apparatus release driving handle from closing position, namely chopper realizes automatic brake separating under the effect not having external force.And tripping driving device occur in circuit short circuit, overvoltage, under-voltage, overload when drive electrical apparatus release; handle is made to turn to open position; breaker open operation; therefore; the chopper adopting operating mechanism of the present utility model can provide the common protection such as overvoltage, under-voltage, overload for circuit, and short-circuit protection.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the connection diagram of a kind of electromagnetic operating mechanism of this utility model and electromagnetic mechanism；
Fig. 2 is the structural representation of tripping of the present utility model；
Fig. 3 is the structural representation of snap close of the present utility model；
Fig. 4 is the structural representation of trigger member of the present utility model；
Fig. 5 is the part-structure schematic diagram of electromagnetic operating mechanism of the present utility model；
Fig. 6 is the rearview of electromagnetic operating mechanism of the present utility model；
Fig. 7 is the internal structure schematic diagram of electromagnetic operating mechanism of the present utility model；
Fig. 8 is electromagnetic operating mechanism of the present utility model and chopper assembled front view；
Fig. 9 is the structural representation of chopper of the present utility model；
Figure 10 is the outside schematic diagram of chopper of the present utility model；
Figure 11 is tripping driving device schematic diagram in chopper of the present utility model；
Accompanying drawing labelling: A1-shell；A3-binding post；
11-tripping；111-plate body；112-cylindricality installation portion；1111-locked groove；
113-extension；1131-drive hole；
12-snap close；121-snap close body；122-locking projections；123-snap close side plate；
1231-rotating shaft installing hole；1232-second connecting rod installing hole；124-strengthens projection；
21-moves iron core；22-coil；23-static iron core；
31-trigger member；311-extension rod；312-the 3rd extension；313-the second extension；
314-the first extension；315-rotating shaft；
32-the first elastic component；33-handle spring；34-the 3rd elastic component；
41-handle；42-second connecting rod；43-the first drive rod；
51-the first lock link；52-the second lock link；53-the 3rd lock link；54-tumbler；
61-inner fixed stand；62-stake body.
71-power transmission shaft；72-the second rotating shaft；73-rotating shaft；74-the 4th rotating shaft；75-the 5th rotating shaft
81-pressing piece；811-press-side；812-restoring board；
91-arcuate socket；92-plectrum；
101-magnetictrip；102-the 4th elastic component；103-locating part；104-magnetic sheet；
105-pressing piece；1051-mounting groove；107-actuator；108-the second electromagnet.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
As long as just can be combined with each other additionally, technical characteristic involved in this utility model difference embodiment disclosed below does not constitute conflict each other.
Embodiment 1
The present embodiment provides a kind of circuit breaker operation mechanism, as shown in Fig. 1, Fig. 5, Fig. 7, including:
Electromagnetic mechanism, including dynamic iron core 21, coil 22 and static iron core 23；
Handle 41, it is possible to rotate between the open position corresponding with circuit-breaker switching on-off and closing position under external force；
Second connecting rod 42, connects described handle 41 and electrical apparatus release, when described handle 41 turns to closing position, and rotational angle required when the rotational angle of described handle 41 is coplanar more than the centrage of the pivotal axis at the two ends of described second connecting rod 42 Yu the rotating shaft 73 of handle 41；
First drive rod 43, connects described handle 41 and described dynamic iron core 21, when described handle 41 move between closing position and open position, drives described dynamic iron core 21 close or away from static iron core 23；
Stake body 62, is fixed with power transmission shaft 71 and is provided with the movable contact coordinated with stationary contact and the 3rd elastic component 34；
When described handle 41 moves from open position to closing position, described power transmission shaft 71 is pressed so that described stake body 62 rotates by described first drive rod 43, movable contact is made to contact with stationary contact, when described handle 41 moves from closing position to open position, described first drive rod 43 decontrols the pressing to described power transmission shaft 71, thus under the effect of described 3rd elastic component 34, described stake body 62 rotates and makes movable contact separate with stationary contact.
In the present embodiment, specifically, in electromagnetic mechanism, coil 22 and static iron core 23 are fixed on inner fixed stand 61, dynamic iron core 21 connects handle 41 by the first drive rod 43, and dynamic iron core 21 can produce magnetic force near static iron core 23 when coil 22 is energized, breaker closing accordingly, and dynamic iron core 21 away from static iron core 23 time, breaker open operation accordingly.
Handle 41 has the open position corresponding with circuit-breaker switching on-off and closing position, described handle 41 can rotate under external force between open position and closing position, it is also possible to is driven by circuit breaker internal tripping driving device and is turned to open position by closing position.After handle 41 turns to closing position, coil 22 is energized and produces magnetic force, moves iron core 21 under magneticaction near static iron core 23, and stake body 62 rotation simultaneously makes movable contact contact with stationary contact and makes chopper realization combined floodgate.
Second connecting rod 42 connects described handle 41 and electrical apparatus release, as shown in Figure 7, when described handle 41 turns to closing position, rotational angle required when the rotational angle of handle 41 is coplanar more than the centrage of the pivotal axis at the two ends of described second connecting rod 42 Yu the rotating shaft 73 of handle 41, namely handle 41 turns in the process of closing position, when the pivotal axis at second connecting rod 42 two ends is coplanar with rotating shaft 73, this is the critical localisation of handle divide-shut brake, if open position can be returned when handle 41 is not rotated up to this position, and handle 41 is rotated further and exceedes this critical localisation and get to closing position, the now pivotal axis at second connecting rod two ends and the rotating shaft 73 three-point shape triangularity on the longitudinal section of Fig. 7.It is positioned at second connecting rod 42 during closing position to apply to continue the power away from open position to handle 41, such that it is able to the power returning open position that opposing the first drive rod 43 applies to handle 41, handle achieves self-locking, therefore can stop and cause that because of coil 22 power-off dynamic iron core 21 is away from static iron core 23, makes iron core 21 and static iron core 23 keep in touch.Above-mentioned circuit breaker operation mechanism, connects handle 41 and electrical apparatus release by arranging second connecting rod 42, and realizes self-locking by arranging closing position, take full advantage of the parts of former chopper so that the structure of whole circuit breaker operation mechanism is simpler, reliable.
As it is shown in fig. 7, the first drive rod 43 connects handle 41 and dynamic iron core 21, when described handle 41 rotates between closing position and open position, accordingly described dynamic iron core 21 near or away from static iron core 23, the also combined floodgate of corresponding chopper and separating brake.
Stake body 62 is fixed with power transmission shaft 71 and is provided with the movable contact coordinated with stationary contact and the 3rd elastic component 34, it is provided with the 4th rotating shaft 74 on the stake body of the 3rd elastic component 34 end, described the 4th rotating shaft 74 being fixed on inner fixed stand 61 at the 3rd elastic component 34 and rotates between axle 71, stake body 62 can rotate within the specific limits around the 4th rotating shaft 74, when stake body 62 as shown in Figure 8 rotates clockwise, then the contact of the movable contact on stake body 62 stationary contact, breaker closing, otherwise, separating brake.The anglec of rotation around the 4th rotating shaft 74 of described power transmission shaft 71 is limited by the arcuate socket 91 on inner fixed stand 61, correspondingly, also limit the stake body 62 anglec of rotation around the 4th rotating shaft 74, the scope that the described anglec of rotation is arranged can make the movable contact of chopper effectively contact or disjunction with stationary contact.
The circuit breaker operation mechanism of the present embodiment, when handle 41 moves from open position to closing position, the dynamic iron core 21 of coil 22 energising produces to the close movement tendency of static iron core 23, simultaneously handle 41 orders about the first drive rod 43 and presses power transmission shaft 71 and make stake body 62 resist the 3rd elastic component 34 and turn clockwise around the 4th rotating shaft 74 such as Fig. 8, making movable contact contact stationary contact, chopper realizes closing a floodgate；When handle moves from closing position to open position, handle 41 orders about the first drive rod 43 and decontrols the pressing to power transmission shaft 71, make dynamic iron core 21 away from described static iron core 23, stake body 62 rotates counterclockwise such as Fig. 8 around the 4th rotating shaft 74 under the effect of the 3rd elastic component 34, making movable contact away from stationary contact, chopper realizes separating brake.Realize the shutting-brake control to chopper when rotating between closing position and open position thereby through handle 41 and separating brake controls.
The circuit breaker operation mechanism of the present embodiment, also includes handle spring 33, for applying to go to the power of open position or the component of power to handle 41.
Handle 41 releases the active force to handle 41 when closing a floodgate without arriving closing position, and handle spring 33 can make handle 41 return open position, to prevent maloperation, improves the safety of chopper.When electrical apparatus release is triggered trigger member 31 by circuit breaker internal tripping driving device and moves simultaneously, effect lower handle 41 disequilibrium at second connecting rod 42 produces a movement tendency turning to open position, apply to go to the power of open position or the component of power to handle 41 in conjunction with described handle spring 33, therefore, described handle 41 is under the driving of electrical apparatus release and under the combined effect of handle spring 33, successfully can turn to open position from closing position, quickly realize separating brake.Described handle spring 33 is preferably torsion spring.
Described handle spring 33 is set on the rotating shaft 73 of described handle 41, and one end is resisted against in the second rotating shaft 72 of described electrical apparatus release, the other end laterally penetrates in described handle 41.
Described handle spring 33 is located on rotating shaft 73 with handle 41 coaxial sleeve, one arm of handle spring 33 is resisted against in the second fixing rotating shaft 72, another arm laterally penetrates handle 41 and follows handle 41 and rotate, handle 41 to closing position rotate time, handle spring 33 two-arm angle is compressed and is stored energy, makes handle 41 turn to the power of open position or the component of power thus producing one.
Described electrical apparatus release, including: rotating turret 54, snap close 12, tripping 11, snap close 12 is arranged on rotating turret 54 by the 5th rotating shaft 75 and can be rotated around the 5th rotating shaft 75, and tripping 11 and rotating turret 54 are fixed on inner fixed stand 61 by the second common rotating shaft 72；Described snap close 12 is connected with described handle 41 by described second connecting rod 42；Tripping 11 has the linkage status locked together with described snap close 12 and the released state separated with described snap close 12, and described tripping 11 drives described handle 41 to move to open position by described second connecting rod 42 after separating with described snap close 12 and realizes the dropout separating brake of chopper.
As shown in Figure 2, described tripping 11 has plate body 111, and it being molded over the cylindricality installation portion 112 bottom described plate body 111, the internal diameter of cylindricality installation portion 112 and the external diameter of the second rotating shaft 72 match, and make tripping 11 may be mounted in the second rotating shaft 72 and rotate around the second rotating shaft 72.Forming locked groove 1111 on described plate body 111, the outside opening of locked groove 1111 is more than inside opening.Forming the drive hole 1131 parallel with the axle of cylindricality installation portion 112 on extension 113 on cylindricality installation portion 112, described drive hole 1131 is connected with the extension rod 311 of described trigger member 31, thus the linkage realizing described tripping 11 and trigger member 31 is arranged.
As it is shown on figure 3, described snap close 12 includes the snap close side plate 123 of snap close body 121 and both sides, snap close body 121 is provided with the locking projections 122 for coordinating with locked groove 1111 on the side of tripping 11.Described locking projections 122, in outer little interior big trapezoidal projection, matches with described locked groove 1111, so that tripping 11 and snap close 12 can effectively link.Deforming as one, described protruding 122 can be other shapes, and corresponding locked groove 1111 is the shape of coupling, and as locking projections 122 is rectangle, then locked groove 1111 outside opening is equal to inside opening.Form the reinforcement projection 124 for reinforcing tripping 12 in the middle part of described snap close body 121, strengthen snap close body 121 and bear the ability of internal stress, thus improving the service life of snap close 12.Described snap close side plate 123 forms the rotating shaft installing hole 1231 for the 5th rotating shaft 75 traverse, and for the second connecting rod installing hole 1232 that described second connecting rod 42 stretches into, the internal diameter of described rotating shaft installing hole 1231 and the external diameter of the 5th rotating shaft 75 match so that snap close 12 accurately can rotate around the 5th rotating shaft 75, the internal diameter of described second connecting rod installing hole 1232 and the external diameter of second connecting rod 42 match, so that handle 41 and snap close 12 can link accurately and efficiently.
Described rotating turret 54 is linked with rotating axle 71 by linkage, rotating turret 54 connects handle 41 by snap close 12 and second connecting rod 42, power transmission shaft 71 is fixed on stake body 62, thus setting up interaction relation between described handle 41 and stake body 62, make handle 41 can control the movable contact of chopper close to or away from movable contact, enable chopper separating brake quickly and efficiently.Described linkage, including the first lock link the 51, second lock link 52 and the 3rd lock link 53, one end of described three lock links is coaxially connected at Q point, the other end Q1 of the first lock link 51 is arranged on inner fixed stand 61 immovable, the other end Q2 of the second lock link 52 is fixed on power transmission shaft 71 and links with it, and the other end Q3 of the 3rd lock link 53 is connected with described rotating turret 54.Q2 point is with rotating axle 71 when the 4th rotation axle 72 rotates clockwise in arcuate socket 91, owing to Q1 point is fixed, therefore Q point drives Q3 to produce a displacement to the right, described rotating turret 54 such as Fig. 5 is thus driven to rotate counterclockwise, otherwise, described for driving rotating turret 54 such as Fig. 5, with rotating axle 71 when the 4th rotation axle 72 rotates counterclockwise in arcuate socket 91, is rotated clockwise by Q2 point.In like manner, if described rotating turret 54 is rotated clockwise around the second rotating shaft 72 by driving, then rotating axle 71 will rotate counterclockwise around the 4th rotating shaft 74, and process is contrary with above-mentioned motor process.
In above by analysis, when handle 41 is in equilbrium position, second connecting rod 42 applies to continue the power away from open position to handle 41, it is possible to resist the power returning open position that the first drive rod 43 applies to handle 41, handle 41 achieves self-locking, and snap close 12 also keeps balance with second connecting rod 42.Therefore, when handle 41 is in closing position, under the effect of second connecting rod 42, there is the trend moved upward in snap close 12 as shown in Figure 1, and this movement tendency is limited by tripping 11, so that snap close 12, second connecting rod 42 and handle 41 are in poised state.When chopper be short-circuited, overvoltage, overload, the situation such as under-voltage time its interior tripping driving device drive trigger member 31 to make tripping 11 such as Fig. 5 turn clockwise, tripping 11 releases the motion to snap close 12 and limits, namely tripping 11 separates with snap close 12, so that snap close 12 rotates around the 5th rotating shaft 75 counterclockwise such as Fig. 5, second connecting rod 42 makes handle 41 disappear away from the active force of open position simultaneously, and handle 41 turns to open position.Meanwhile, owing to the snap close 12 on rotating turret 54 rotates around the 5th rotating shaft 75 counterclockwise such as Fig. 5, making rotating turret 54 turn clockwise, therefore rotating axle 71 can rotate counterclockwise such as Fig. 5, and stake body 62 synchronous rotary makes dynamic iron core away from static iron core, breaker open operation.
The circuit breaker operation mechanism of the present embodiment also includes power saving features, and described power saving features can make the power-off of described coil 22 when turning to closing position by described handle 41.
After turning to closing position due to handle 41, coil 22 power-off, now, trigger member 31 is driven to cause that tripping 11 separates with snap close 12 without direct External Force Acting tripping driving device in handle 41 or chopper, then handle 41 remains at closing position, accordingly, described dynamic iron core 21 keeps in touch with static iron core 23, thus achieves the energy-saving and emission-reduction of chopper.
Specifically, described power saving features includes the pressing piece 81 arranged with the linkage of described stake body 62, as described in Figure 9, described pressing piece 81 is mounted on inner fixed stand 61, can move up and down on inner fixed stand 61, thus the microswitch of control coil 22 connecting and disconnecting of the circuit, when described stake body 62 rotates and makes iron core 21 contact with static iron core 23, described pressing piece 81 can press described microswitch so that described coil 22 power-off.
As described in Figure 5, described pressing piece 81 is arranged with stake body 62 linkage, and pressing piece 81 forms press-side 811, being arranged below and the microswitch of control coil 22 switching electricity of press-side 811.Dynamic iron core 21 near static iron core 23 and is pulled together, and handle 41 turns to closing position, and stake body 62 rotation being provided with movable contact makes movable contact contact stationary contact, and breaker closing, then press-side 811 presses microswitch and makes the power-off of described coil 22.Owing to the handle 41 at closing position constitutes poised state under the effect of second connecting rod 42 and the first drive rod 43, therefore after coil 22 power-off, described dynamic iron core 21 still can keep in touch with described static iron core 23, the stationary contact of the movable contact on circuit breaker cradle body 62 and chopper still keeps in touch, it is achieved thereby that the energy-saving and emission-reduction of chopper.
Specifically, described pressing piece 81 is linked with described dynamic iron core 21 by described power transmission shaft 71, described pressing piece 81 forms the long lumbar hole holding described power transmission shaft 71, when described power transmission shaft 71 moves in company with described stake body 62, drive described pressing piece 81 near or away from described microswitch, press microswitch to press or to contact.
As described in Figure 9, described pressing piece 81 is mounted on inner fixed stand 61, can move up and down on inner fixed stand 61, as described in Figure 1, pressing piece 81 is linked by power transmission shaft 71 and described dynamic iron core 21, owing to power transmission shaft 71 can rotate around the 4th rotating shaft 74 with stake body 62, therefore during circuit-breaker switching on-off, the movement locus of power transmission shaft 71 can be decomposed into horizontally and vertically, in vertical direction, the motion of power transmission shaft 71 can drive pressing piece 81 to move up and down in the length that inner fixed stand 61 allows, make power transmission shaft 71 can make displacement in the horizontal direction by motion in long waist shaped hole.
Described movable contact and described 3rd elastic component 34 lay respectively at the both sides of described power transmission shaft 71.
As shown in Figure 8, the two ends of stake body 62 are respectively arranged with movable contact and the 3rd elastic component 34, the other end of described 3rd elastic component 34 is mounted on inner fixed stand 61,4th rotating shaft 74 is arranged between the 3rd elastic component 34 and power transmission shaft 71, stake body 62 can lean around the 4th rotating shaft 74 and rotate, and being arranged on the power transmission shaft 71 on stake body 62 can rotate in the arcuate socket 91 of inner fixed stand 61.Fig. 8 is the position of described stake body when being breaker open operation, and now, described movable contact is away from stationary contact, and the 3rd elastic component 34 is in original state；And when breaker closing, stake body 62 as shown in Figure 8 around the 4th rotating shaft 74 dextrorotation then make movable contact thereon near the stationary contact of chopper, 3rd elastic component 34 is stretched deformation, power transmission shaft 71 on stake body 62 is pressed by the first driving connecting rod 43 by handle 41 simultaneously so that the movable contact of chopper keeps adhesive with stationary contact.When handle 41 turns to open position, described power transmission shaft 71 no longer by first drive connecting rod 43 press, deformation the 3rd elastic component 34 effect under, stake body 62 disequilibrium and rotate around the 4th rotating shaft 74 so that the movable contact of chopper separates with stationary contact.
Described second connecting rod 42 has two, and two described second connecting rods 42 are coplanar and are positioned at the both sides of described handle 41 and electrical apparatus release.
As shown in Figure 5, two second connecting rods 42 can make the active force being parallel to handle 41 and electrical apparatus release rotor shaft direction acting on handle 41 and electrical apparatus release cancel out each other, prevent handle 41 and electrical apparatus release rotating shaft therefore active force from rupturing, and two second connecting rods 42 can also improve structural strength.
Embodiment 2
The present embodiment provides a kind of chopper, as shown in Figure 10, including: housing A1, it is positioned at the binding post A3 of housing A1 both sides, arc-control device, tripping driving device, and operating mechanism, described tripping driving device can drive electrical apparatus release to complete dropout separating brake when circuit abnormality.
Described binding post A3 includes chopper and enters electric connecting terminals and go out electric connecting terminals.
Between described arc-control device moving contact and static contact in chopper, the electric arc produced during for eliminating moving contact with static contact disjunction, it is ensured that safety utilization of electric power.
Described tripping driving device drives electrical apparatus release to make handle 41 turn to open position, circuit breaker tripping separating brake by trigger member 31.Specifically, tripping driving device includes the first dropout driving mechanism and the second dropout driving mechanism.First dropout driving mechanism includes the magnetictrip being made up of some wires; when there is short circuit current in chopper internal circuit; magnetictrip drives chopper to realize quick acting switching-off, realizes chopper reliably thereby through the first dropout driving mechanism, short-circuit protection fast and effectively；Second dropout driving mechanism and control assembly cooperating; described control assemblies monitor is after the various faults situation in circuit; the second dropout driving mechanism motion is driven to trigger electrical apparatus release and make circuit breaker tripping separating brake, it is achieved the overvoltage of chopper, excessively stream, under-voltage etc. is protected.Therefore, chopper disclosed in this utility model, both can provide overvoltage for circuit, crossed stream, the common protection protection such as under-voltage, and can provide reliably for circuit again, short-circuit protection fast and effectively.Additionally, the control assembly of chopper can pass through WIFI and PAD, computer realizes connecting, for opening or closing the function controlling assembly.As shown in figure 11, first dropout driving mechanism access under the effect of the magnetictrip 101 of the circuit big electric current when short circuit, produce rapidly powerful magnetically-actuated magnetic sheet 104 and move to trigger position from initial position, described magnetic sheet 104 one end is connected on pressing piece 105, trigger member 31 is made to move by pressing piece 105, so that circuit breaker tripping, the whole process of dropout is less than 10ms.The the first dropout driving mechanism arranging electromagnetic trip mode can provide short-circuit protection quick, reliable, effective for chopper.
Certainly, controller also can only obtain the voltage in circuit or electric current as required, it is provided that the monitoring of voltage or electric current and corresponding protection.
Further, it is provided with pressing piece 105 between described magnetic sheet 104 and described trigger member 31, described magnetic sheet 104 drives described pressing piece 105 to do rectilinear motion when rotating, and then drive trigger member 31 to move, being additionally provided with the 4th elastic component 102 on described pressing piece 105, described 4th elastic component 102 applies the power away from described trigger member 31 or the component of power to described pressing piece 105.
Magnetic sheet 104 one end of first dropout driving mechanism is connected on pivotal axis, and the other end is connected with pressing piece 105, and pressing piece 105 is provided with the 4th elastic component 102 making itself and magnetic sheet 104 return to initial position.Magnetic sheet 104 rotates under the effect of magnetictrip 101 and drives pressing piece 105 to resist the 4th elastic component 102 and move driving trigger member 31.
Yet further, described pressing piece 105 includes transverse slat and the riser fixing with the described transverse slat other end that one end coordinates with described magnetic sheet 104, the other end of described riser is for contacting with described trigger member 31 and driving described trigger member 31 to move, become to have spring mounting groove 1051 in the middle of described transverse slat, described riser is hooked in described 4th elastic component 102 one end, and the other end is fixed.
As shown in figure 11, described pressing piece 105 includes transverse slat that one end coordinates and the riser fixing with the described transverse slat other end with described magnetic sheet 104, and described pressing piece 105 can left and right rectilinear movement in a segment distance in the horizontal direction under the drive of described magnetic sheet 104.Magnetic sheet 104 and pressing piece 105 are when initial position, and magnetic sheet 104 is perpendicular to the transverse slat of pressing piece 105, is parallel to the riser of magnetic sheet 104, and pressing piece 105 is in poised state.Described transverse slat intermediary form has the mounting groove 1051 installing the 4th elastic component 102.Under the magneticaction of magnetictrip 101, magnetic sheet 104 rotates and links with pressing piece 105, the elastic force of the 4th elastic component 102 is overcome to drive and close trigger member 31, first extension 314 of trigger member 31 is applied power by the riser of pressing piece 105, making trigger member 31 do anticlockwise rotation in Fig. 1, final driving trigger member 31 rotates and makes circuit breaker tripping.After circuit breaker tripping, whole breaker open operation, current vanishes, magnetictrip 101 does not produce magnetic force, the power then pointing to trigger member 31 direction on pressing piece 105 disappears, being rebounded by the 4th elastic component 102 being deformed and pressing piece 105 band is back to initial position, magnetic sheet 104 part 105 that is pressed drives and also returns to initial position without magneticaction.
Preferably, described trigger member 31 has rod body, described rod body one end forms the first extension 314 coordinated with described pressing piece 5, middle part extends to form the second extension 313 coordinated with described second dropout driving mechanism to side, and the other end has the 3rd extension 312 driving the motion of dropout part.
Trigger member 31 body is rod, one end of the rod body of trigger member 31 forms the first extension coordinated with described pressing piece 105, the other end has the 3rd extension 312 driving the motion of dropout part, and centre extends to form the second extension 313 that the actuator 107 with described second dropout driving mechanism coordinates to side.The pressing piece 105 of the first dropout driving mechanism is moved to trigger position by initial position and the first extension 314 is exerted a force, or the actuator 107 of the second dropout driving mechanism is moved to the second position by primary importance and the second extension 313 is exerted a force, then trigger member 31 Forced rotation, the 3rd extension 312 drives the dropout part of chopper.By the setting of first extension the 314, second extension 313 and the 3rd extension 312, making trigger member 31 form rational structure, trigger member 31 can trigger dropout part under the drive of the first dropout driving mechanism or the second dropout driving mechanism and complete to thread off.
Further, described 3rd extension 312 forms the extension rod 311 parallel with the rotating shaft 315 of described trigger member 31.
Described 3rd extension 312 forms extension rod 311, described extension rod 311 is parallel with the rotating shaft 315 of described trigger member 31, the dropout part of chopper and rotating shaft 315 are coaxially disposed, and described extension rod 311 also connects the dropout part of chopper, thus the dropout part of described trigger member 31 and chopper can realize synchronous axial system.As shown in figure 11, first extension 314 of described trigger member 31 or the second extension 313 stress and make described trigger member 31 rotate counterclockwise around its rotating shaft 315, described trigger member 31 drives the dropout part of chopper to rotate counterclockwise along Figure 11 direction simultaneously, thus realizing the dropout of chopper.
Being provided with the first elastic component 32 in described trigger member 31, described first elastic component 32 applies to make elastic force or the elastic force component that the circuit breaker tripping direction of motion is contrary to described trigger member 31.
Being provided with the first elastic component 32 in described trigger member 31, first elastic component 32 one end is articulated in described trigger member 31, and the other end is mounted on inner fixed stand 61.
Trigger member 31 is connected with dropout part by extension rod 311, first extension 314 is exerted a force by the first dropout driving mechanism, or the second extension 313 is exerted a force by the second dropout driving mechanism, due to the first extension 314 or the second extension 313 stress, make trigger member 31 resist the first elastic component 32 315 to rotate and make the 3rd extension 312 trigger dropout part around the shaft, so that circuit breaker tripping.After circuit breaker tripping, first dropout driving mechanism and/or the second dropout driving mechanism reset, the power being applied to the first extension 314 or the second extension 313 disappears, under the effect of the first elastic component 32, trigger member 31 returns to initial position, the dropout part simultaneously driving chopper returns to initial position, performs dropout in order to next time.
The tripping driving device that the present embodiment provides, also includes locating part 103, is arranged in the described magnetic sheet 104 direction of motion by the effect of described magnetictrip 101, for stopping that after described magnetic sheet 104 moves to trigger position described magnetic sheet 104 is rotated further.
Described locating part 103 prevents the 4th elastic component 102 elastic deformation from exceeding allowed band and reduction of service life for the anglec of rotation of magnetic sheet 104 after limiting short circuit, and is prevented from magnetic sheet 104 contact wire and produces to damage to magnetic sheet 104.
Described second threads off drives structural mechanism, including the second electromagnet 108, actuator 107, described second electromagnet 108 produces actuator 107 described in magnetic force moving after being controlled by the controller and being energized, and described actuator 107 moves between the first position and the second position and drives described trigger member 31 in the process moving to the second position from primary importance.
Decide whether to start described second electric magnet 108 after analyzing and processing after the data of described controller detection collection power supply and electric current so that it is promote described actuator 107.If described second electric magnet 108 starts, described actuator 107 being moved to second position actuator 107 by primary importance and moves downward described second extension 313 of promotion in fig .9, thus driving described trigger member 31, making circuit breaker tripping.
Further, described circuit breaker actuating mechanism also includes restoring board 812, and described restoring board 812, after electrical apparatus release releases and threads off, is used for promoting described actuator 107 to return primary importance.
The dynamic iron core linkage of described restoring board 812 and chopper is arranged, after circuit breaker tripping, described restoring board 812 can after electrical apparatus release releases and threads off namely the snap close of electrical apparatus release relock with tripping together with after, described actuator 107 is driven to be returned to primary importance (restoring board 812 moves upward in fig .9, reduces the overhang of actuator 107) by the second position.
Further, described magnetictrip 1 is the some wires being arranged side by side.Magnetictrip 1 is made up of 4 wires, naturally it is also possible to be the wire of other quantity, such as 1,2,3 or 5,6 etc..
Described magnetictrip 101 is access the wire in circuit, wire itself plays electric action, can produce again magnetic field simultaneously, simplify the structure of chopper, multiple conducting wires is set and can produce higher magnetic force when short circuit current occurs, thus can in real time, quickly respond and make circuit breaker tripping.
Owing to adopting the operating mechanism described in embodiment 1, thus there is the advantage of operating mechanism described in embodiment 1.
As shown in Figure 10, the chopper that the present embodiment provides also has the plectrum 92 that handle 41 can be locked in open position, when handle 41 is positioned at open position, projection on described plectrum 92 stretches in the lockhole of handle 41 and makes handle not rotate, such that it is able to prevent from, in circuit maintenance mistiming, handle 41 is turned to open position and initiation electrification.
Obviously, above-described embodiment is only for clearly demonstrating example, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the apparent change thus extended out or variation still in this utility model create protection domain among.
Claims (10)
1. a circuit breaker operation mechanism, it is characterised in that including:
Electromagnetic mechanism, including dynamic iron core (21), coil (22) and static iron core (23)；
Handle (41), it is possible to rotate between the open position corresponding with circuit-breaker switching on-off and closing position under external force；
Second connecting rod (42), connect described handle (41) and electrical apparatus release, when described handle (41) turns to closing position, rotational angle required when the rotational angle of described handle (41) is coplanar more than the centrage of the pivotal axis at the two ends of described second connecting rod (42) Yu the rotating shaft (73) of handle (41)；
First drive rod (43), connect described handle (41) and described dynamic iron core (21), when described handle (41) moves between closing position and open position, drive described dynamic iron core (21) near or away from static iron core (23)；
Stake body (62), is fixed with power transmission shaft (71) and is provided with the movable contact coordinated with stationary contact and the 3rd elastic component (34)；
When described handle (41) moves from open position to closing position, described power transmission shaft (71) is pressed so that described stake body (62) rotates by described first drive rod (43), movable contact is made to contact with stationary contact, when described handle (41) moves from closing position to open position, described first drive rod (43) decontrols the pressing to described power transmission shaft (71), thus under the effect of described 3rd elastic component (34), described stake body (62) rotates and makes movable contact separate with stationary contact.
2. circuit breaker operation mechanism according to claim 1, it is characterised in that also include handle spring (33), for applying to go to the power of open position or the component of power to handle (41).
3. circuit breaker operation mechanism according to claim 2, it is characterized in that, described handle spring (33) is set on the rotating shaft (73) of described handle (41), and one end is resisted against in second rotating shaft (72) of described electrical apparatus release, the other end laterally penetrates in described handle (41).
4. the circuit breaker operation mechanism according to any one of claim 1-3, it is characterised in that
Described electrical apparatus release, including: rotating turret (54), snap close (12), tripping (11), snap close (12) is arranged on rotating turret (54) by the 5th rotating shaft (75) and above and can rotate around the 5th rotating shaft (75), and tripping (11) and rotating turret (54) are fixed on inner fixed stand (61) by common the second rotating shaft (72)；Described snap close (12) is connected with described handle (41) by described second connecting rod (42)；Tripping (11) has the linkage status locked together with described snap close (12) and the released state separated with described snap close (12), and described tripping (11) drives described handle (41) to move to open position by described second connecting rod (42) after separating with described snap close (12) and realizes the dropout separating brake of chopper.
5. the circuit breaker operation mechanism according to any one of claim 1-3, it is characterised in that
Also including power saving features, described power saving features can make described coil (22) power-off when turning to closing position by described handle (41).
6. circuit breaker operation mechanism according to claim 5, it is characterised in that
Described power saving features includes the pressing piece (81) arranged with described stake body (62) linkage, the microswitch of control coil (22) connecting and disconnecting of the circuit, when described stake body (62) rotates and when making iron core (21) contact with static iron core (22), described pressing piece (81) can press described microswitch so that described coil (22) power-off.
7. circuit breaker operation mechanism according to claim 6, it is characterised in that
Described pressing piece (81) is by described power transmission shaft (71) and the linkage of described dynamic iron core (21), described pressing piece (81) forms the long lumbar hole holding described power transmission shaft (71), when described power transmission shaft (71) moves in company with described stake body (62), drive described pressing piece (81) near or away from described microswitch.
8. the circuit breaker operation mechanism according to any one of claim 1-3, it is characterised in that described movable contact and described 3rd elastic component (34) lay respectively at the both sides of described power transmission shaft (71).
9. the circuit breaker operation mechanism according to any one of claim 1-3, it is characterized in that, described second connecting rod (42) has two, and two described second connecting rods (42) are coplanar and are positioned at the both sides of described handle (41) and electrical apparatus release.
10. a chopper, it is characterized in that, including housing (A1), it is positioned at the binding post (A3) of housing (A1) both sides, arc-control device, tripping driving device, and the circuit breaker operation mechanism as described in any one of claim 1-9, described tripping driving device can drive electrical apparatus release to complete dropout separating brake when circuit abnormality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620199545.4U CN205388964U (en) | 2016-03-15 | 2016-03-15 | Circuit breaker operating device and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620199545.4U CN205388964U (en) | 2016-03-15 | 2016-03-15 | Circuit breaker operating device and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205388964U true CN205388964U (en) | 2016-07-20 |
Family
ID=56375946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620199545.4U Withdrawn - After Issue CN205388964U (en) | 2016-03-15 | 2016-03-15 | Circuit breaker operating device and circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205388964U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575737A (en) * | 2016-03-15 | 2016-05-11 | 佳一电气有限公司 | Circuit breaker operating mechanism and circuit breaker |
| CN108133873A (en) * | 2018-01-17 | 2018-06-08 | 杭州之江开关股份有限公司 | Breaker under-voltage reclosing output device of the electrical signal and its operating method |
| CN113725031A (en) * | 2020-05-26 | 2021-11-30 | 天津首瑞智能电气有限公司 | Electric switch |
-
2016
- 2016-03-15 CN CN201620199545.4U patent/CN205388964U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575737A (en) * | 2016-03-15 | 2016-05-11 | 佳一电气有限公司 | Circuit breaker operating mechanism and circuit breaker |
| CN108133873A (en) * | 2018-01-17 | 2018-06-08 | 杭州之江开关股份有限公司 | Breaker under-voltage reclosing output device of the electrical signal and its operating method |
| CN108133873B (en) * | 2018-01-17 | 2024-03-19 | 杭州之江开关股份有限公司 | Circuit breaker undervoltage reclosing electric signal output device and operation method thereof |
| CN113725031A (en) * | 2020-05-26 | 2021-11-30 | 天津首瑞智能电气有限公司 | Electric switch |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160720 Effective date of abandoning: 20171020 |