CN106024543A - Electric operating mechanism for miniature circuit breaker - Google Patents
Electric operating mechanism for miniature circuit breaker Download PDFInfo
- Publication number
- CN106024543A CN106024543A CN201610421904.0A CN201610421904A CN106024543A CN 106024543 A CN106024543 A CN 106024543A CN 201610421904 A CN201610421904 A CN 201610421904A CN 106024543 A CN106024543 A CN 106024543A
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- CN
- China
- Prior art keywords
- circle
- curved bar
- circuit breaker
- disconnected
- miniature circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
- H01H71/70—Power reset mechanisms actuated by electric motor
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- Breakers (AREA)
Abstract
The invention relates to an electric operating mechanism for a miniature circuit breaker, belonging to the technical field of electric switches. The mechanism has a drive gear engaged with a driven gear, the driven gear is coaxial with a drive round-segment gear; a drive round-segment gear; the drive round-segment gear is coaxial with a curved bar position control cam and is adjacent to a manual control round-segment gear; a shell is hinged with a curved bar which is located on one side of the driven gear; the drive round-segment gear and the manual control round-segment gear are respectively provided with engaging teeth corresponding to switch-on/off corners of a miniature circuit breaker control handle. During installation, the manual control round-segment gear is coaxial with the miniature circuit breaker control handle and the curved bar is connected with a miniature circuit breaker disconnecting button; when the miniature circuit breaker is in a switch-on state, the drive round-segment gear is in a disconnected state after being engaged with the manual control round-segment gear and rotated, the curved bar position control cam is in a disconnected state in which the curved bar position control cam further rotates with the drive round-segment gear so that the curved bar is pushed up to correspond to the disconnected position of the miniature circuit breaker disconnecting button. With adoption of the electric operating mechanism, when the miniature circuit breaker is in a switch-on state, the electric operating mechanism allows the miniature circuit breaker to execute both the manual switch-off operation and the electric switch-off operation; in addition, the electric operating mechanism is simple in structure and acts reliably.
Description
Technical field
The present invention relates to a kind of motor-operating mechanism, especially a kind of miniature circuit breaker motor-operating mechanism, belong to electric switch technical field.
Background technology
In order to realize the Based Intelligent Control of supply network, miniature circuit breaker (being called for short micro-disconnected) as supply network end effector is required to after must arriving the instruction that backstage sends, make rapidly corresponding separating brake, feed motion, and feed back to backstage performing result.Existing micro-disconnected W sees Fig. 6, Fig. 7, has the control handle W-1 switching and keeping under internal reset spring effect to return open position trend between separating brake and closing position, and the dropout button W-2 associated with control handle W-1.When control handle W-1 to be turned to counterclockwise the closing position of Fig. 7 by the open position of Fig. 6, dropout button W-2 is become the snapped-in position below arc groove W-3 from the trip positions being originally in above arc groove W-3 therewith, control handle W-2 is made to be blocked by the trip shaft of micro-disconnected W Inner link after closing a floodgate, thus keep the "on" position of Fig. 7, need could to release buckle by External Force Acting and reset to open position.When needing control handle W-1 to be recovered the open position of Fig. 6 by the closing position of Fig. 7, apply external force switch clockwise control handle W-1, trip shaft will release buckle, then control handle W-1 under internal reset spring effect immediately clockwise indexing return the open position of Fig. 6, the separating brake dropout button W-2 linked therewith therewith from the snapped-in position being originally in below arc groove W-3 become arc groove W-3 above trip positions.
Along with along with the development of supply network technology, miniature circuit breaker needs to support the use and has following two motor-operating mechanisms (being called for short electricity behaviour) controlling greatly functions: 1) when micro-disconnected be in "on" position time, electricity behaviour allows micro-dynamic (or fault) separating brake, combined floodgate of cutting off the hands, and allows also to electronic separating brake；2) when after manual or fault separating brake, it is allowed to micro-disconnected closing by hand, electric switch-on is allowed also to；But after electronic separating brake, do not allow micro-disconnected closing by hand, can only electric switch-on.
According to the applicant understood, the most generally there is the problem that structure is the compactest, mechanism is complicated in existing motor-operating mechanism, is unfavorable for miniaturization and less reliable problem, and cannot realize above-mentioned manipulation logic.Its typical structure may refer to the Chinese invention patent application of Application No. 201510198932.6, that application discloses a kind of for miniature circuit breaker motor-operating mechanism, this motor-operating mechanism includes circuit board, motor and train of reduction gears, circuit board is connected with motor by wire, the rotary shaft of motor is connected with train of reduction gears, train of reduction gears is by the first gear, second gear, 3rd gear and the 4th gear are formed by connecting by gear, 4th gear is semicircular gear, 4th gear is arranged in divide-shut brake control dish, divide-shut brake control dish one end is connected with swinging handle, the divide-shut brake control dish other end is connected with snap ring, divide-shut brake control dish shaft core position also sets up a rotating spindle.
Summary of the invention
It is an object of the invention to, improved by structure, propose a kind of when micro-disconnected be in "on" position time, electricity behaviour allows micro-dynamic (or fault) divide-shut brake of cutting off the hands, allows also to the miniature circuit breaker motor-operating mechanism of electronic separating brake.
In order to achieve the above object, the miniature circuit breaker motor-operating mechanism basic technical scheme of the present invention is, including being arranged on the driving gear that motor via reducer structure drives in housing, described driving gear engage with driven gear, and described driven gear and driving are justified hypodontia and taken turns coaxial；Described circle hypodontia wheel and the curved bar control position cam coaxial of driving, and adjacent with manual control circle hypodontia wheel；Described housing hinge dress is positioned at the curved bar of described driven gear side；Described drive circle hypodontia wheel and manual control circle hypodontia wheel be respectively provided with corresponding micro-disconnected control handle divide, the engaging tooth of combined floodgate corner；During installation, described manual circle hypodontia wheel is coaxial with micro-disconnected control handle, and described curved bar is connected with micro-disconnected dropout button；When micro-disconnected be in "on" position time, described driving circle hypodontia wheel is in takes turns the disengaged position after engagement rotation with manual control circle hypodontia, and described curved bar control position cam is in and is rotated further, with driving circle hypodontia wheel, the disengaged position that will make to be pushed into corresponding micro-disconnected dropout button trip positions on curved bar.
So, achieve when micro-disconnected be in "on" position time, no matter carry out manual brake separating or closing operation again, drive the circle hypodontia wheel will not be with rotation because taking turns disengaging with manual control circle hypodontia, and curved bar control position cam departs from constraint to curved bar, hence allow to manual brake separating, closing operation；And when motor drives driving circle to lack pinion rotation by transmission, curved bar control position cam concomitant rotation and quickly curved bar is pushed into the trip positions of corresponding micro-disconnected dropout button, release the buckle to micro-disconnected control handle so that it is under reset response, be quickly returned to open position, it is achieved electronic separating brake.
Visible, the present invention is by circle hypodontia wheel and the most angular position relationship of curved bar control position cam intermittently-driving, achieve when micro-disconnected be in "on" position time, electricity behaviour allows micro-dynamic (or fault) separating brake of cutting off the hands, allows also to electronic separating brake, and simple in construction, reliable in action.
The present invention further improves, and described housing has arcuate groove, and is positioned at the lever gib head curved bar of driven bevel pinion side by middle part hinge pin hinge dress.
The present invention is further perfect is, described manual circle hypodontia wheel is coaxially connected by connecting rod with micro-disconnected control handle, and described curved bar inserts the dropout button centre bore on micro-breaking away from the end pin of driving circle hypodontia wheel side after arcuate groove.
The present invention the most further improves, and described driving circle hypodontia wheel and the scarce tooth-formation of gear of manual control circle are circle-arc tooth.Owing to circle-arc tooth is compared with conventional involute teeth, intermeshing two teeth can have bigger tip clearance, even if therefore by bigger External Force Acting, also can ensure engagement smoothly by the compensation of tip clearance, and be unlikely to block.
The present invention further perfect, the described angular position sensor driving circle hypodontia wheel and manual control circle hypodontia wheel to be provided with connection control circuit.So it is possible not only to intuitively show its actual angular position, and is advantageously implemented closed loop control.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention closing position.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the rearview (housing is considered as transparent) of Fig. 1.
Fig. 4 is the structural representation of the electronic open position of Fig. 1 embodiment.
Fig. 5 is the rearview (housing is considered as transparent) of Fig. 4.
Fig. 6 is micro-disconnected gate-dividing state structural representation.
Fig. 7 is micro-disconnected "on" position structural representation.
Detailed description of the invention
Embodiment one
The miniature circuit breaker motor-operating mechanism of the present embodiment is as shown in Figure 1, Figure 2 and Figure 3, including the housing 1 matched with micro-disconnected profile, motor 6 in housing 1 drives driving bevel gear 5 by reducing gear, this driving bevel gear 5 engages with driven bevel pinion 4, and driven bevel pinion 4 is coaxially connected with driving circle hypodontia wheel 3.Drive circle hypodontia wheel 3 to be coaxially connected with the curved bar control position cam 9 with limit convex 9-1, and it is adjacent to take turns 2 with manual control circle hypodontia.
On housing 1, there is arcuate groove, be positioned at the lever gib head curved bar 7 of driven bevel pinion 4 side by middle part hinge pin hinge dress.Drive circle hypodontia wheel 3 and manual control circle hypodontia wheel 2 be respectively provided with corresponding micro-disconnected control handle divide, the engaging tooth of combined floodgate corner, its profile of tooth is circle-arc tooth, and drives circle hypodontia wheel 3 and manual control circle hypodontia wheel 2 to be respectively provided with the angular position sensors of connection control circuit.The concrete number of teeth of engaging tooth and angular position relation can calculate according to the actual rotational angle respective design of micro-disconnected control handle W-1.
During installation, see Fig. 6, Fig. 7, manual round hypodontia is taken turns the 2 and micro-disconnected control handle W-1 connecting rods 8 passing through on-circular cross-section and is coaxially connected, and after curved bar 7 passes arcuate groove away from the end pin 7-1 driving circle hypodontia to take turns 3 sides, the dropout button W-2 centre bore inserted on micro-breaking is connected with the trip shaft in micro-breaking.
When micro-disconnected W is in the "on" position of Fig. 7, as shown in Figure 1, drive circle hypodontia wheel 3 to be in and engage the disengaged position after rotating clockwise with manual control circle hypodontia wheel 2, and curved bar control position cam 9 is as it is shown on figure 3, be in and its limit convex 9-1 will be made the end of curved bar 7 to be sold and be pushed into the disengaged position of the micro-disconnected W dropout button trip positions of correspondence on 7-1 with driving circle hypodontia wheel 3 to be rotated further (it be counterclockwise for seeing Fig. 3 relative to clockwise, Fig. 3 of Fig. 1).
So, achieve when micro-disconnected W is in "on" position, no matter carry out manual brake separating or closing operation again, drive circle hypodontia wheel 3 all will be disengaged from because taking turns 2 with manual control circle hypodontia, without concomitant rotation (if the most not remaining disengaged from engagement, manually divide, close a floodgate and will lack gear driven driving circle hypodontia wheel by manual control circle, and then rotate could realize by reducing gear drive motor, and the speed reducing ratio reverse drive self-locking of reducing gear can make to cannot be carried out manual point, closing operation)；And curved bar control position cam 9 departs from constraint to curved bar 7, thus without hinder the trip shaft of micro-disconnected W because of micro-disconnected point, close a floodgate the original linkage action i.e. manual brake separating with control handle and again closing operation do not affected by electric behaviour.And when motor 6 is driven when driving circle hypodontia wheel 3 rotation by reducing gear, driving bevel gear 5, driven bevel pinion 4, curved bar control position cam 9 will will be pushed into the trip positions of corresponding micro-disconnected W dropout button on the end pin 7-1 of curved bar 7 by quickly entering its limit convex 9-1 with curved bar disengaged position, thus release the buckle to micro-disconnected control handle, make its indexing immediately under internal reset spring effect return to open position (seeing Fig. 6) i.e. when micro-disconnected be in "on" position time, electricity behaviour can realize electronic separating brake.
In addition, when micro-disconnected W is in the gate-dividing state of Fig. 6, as shown in Figure 4, driving circle hypodontia wheel 3 to be in will rotate clockwise engage with manual control circle hypodontia wheel 2 and make manual circle hypodontia wheel 2 turn to micro-disconnected control handle W-1 towards combined floodgate direction to reach the disengaged position of closing position (seeing Fig. 7), curved bar control position cam 9 is in its spacing preiection 9-1 and will be pushed into the restrained condition of the micro-disconnected W dropout button trip positions of correspondence on the end pin 7-1 of curved bar 7 by lever gib head.nullSo，When being disengaged from after driving circle hypodontia wheel 3 driving manual control circle hypodontia wheel 2 to go to corresponding control handle W-1 open position，Owing to the limit convex 9-1 on curved bar control position cam 9 is in, curved bar 7 end pin 7-1 is pushed into the constrained of the corresponding micro-disconnected dropout in arcuate groove upper end，Therefore，Micro-disconnected on dropout button drive the trip shaft of micro-disconnected inside to be also maintained at trip positions because curved bar 7 is restrained，No longer micro-disconnected in time originally not having distribution to grasp，After working as manual combined floodgate, trip shaft necessarily enters snapped-in position，Even if result makes now to carry out manual closing operation，Also by making owing to being snapped, control handle is inevitable returns open position under the effect of micro-disconnected internal reset spring immediately，When i.e. the micro-disconnected control handle of hand push is to closing position，Control handle cannot be made to be maintained at closing position because of buckle，Once external force is cancelled，Handle can automatically return to open position，The function of micro-disconnected closing by hand is not allowed after achieving electronic separating brake.And when motor 6 order about driving circle hypodontia wheel 3 with manual control circle hypodontias take turns 2 engage go to closing position time, owing to during cam 9 concomitant rotation of curved bar control position, spacing preiection 9-1 quickly departs from the constraint to curved bar 7, recovery original function is entered snapped-in position by trip positions by the most micro-disconnected trip shaft, thus ensure reliable electric switch-on, therefore after the ingenious cooperation of the present embodiment circle hypodontia wheel and curved bar control position cam ensure that electronic separating brake while not allowing micro-disconnected closing by hand, but can be with electric switch-on.
Being summed up, the present embodiment has the advantage that
1) after keeping the electronic separating brake under original manipulation function premise cannot the realization of closing by hand function, effectively prevent accident and damage that violence closing by hand causes.
2) appropriate design of curved bar and curved bar limit cam ensure that required control function conscientiously.
3) the round hypodontia of incomplete tooth takes turns indexing mechanism, than sheave etc. other indexing mechanism structure is simpler, action is more reliable.
4) circle-arc tooth justifying hypodontia wheel can have bigger tip clearance, even if by bigger External Force Acting, also can ensure engagement smoothly by the compensation of tip clearance, and be unlikely to block.
5) motor has only to rotate (need not rotating) to a direction, controls logic simple, reliable, and the motor used carries reduction box, and structure is compacter.
In addition to the implementation, the present invention can also have other embodiments.The technical scheme that all employing equivalents or equivalent transformation are formed, all falls within the protection domain of application claims.
Claims (5)
1. a miniature circuit breaker motor-operating mechanism, it is characterised in that: including being arranged on the driving gear that motor via reducer structure in housing drives, described driving gear engage with driven gear, and described driven gear and driving are justified hypodontia and taken turns coaxial；Described circle hypodontia wheel and the curved bar control position cam coaxial of driving, and adjacent with manual control circle hypodontia wheel；Described housing hinge dress is positioned at the curved bar of described driven gear side；Described drive circle hypodontia wheel and manual control circle hypodontia wheel be respectively provided with corresponding micro-disconnected control handle divide, the engaging tooth of combined floodgate corner；During installation, described manual circle hypodontia wheel is coaxial with micro-disconnected control handle, and described curved bar is connected with micro-disconnected dropout button；When micro-disconnected be in "on" position time, described driving circle hypodontia wheel is in takes turns the disengaged position after engagement rotation with manual control circle hypodontia, and described curved bar control position cam is in and is rotated further, with driving circle hypodontia wheel, the disengaged position that will make to be pushed into corresponding micro-disconnected dropout button trip positions on curved bar.
Miniature circuit breaker motor-operating mechanism the most according to claim 1, it is characterised in that: there is on described housing arcuate groove, and be positioned at the lever gib head curved bar of driven bevel pinion side by middle part hinge pin hinge dress.
Miniature circuit breaker motor-operating mechanism the most according to claim 2, it is characterized in that: described manual circle hypodontia wheel is coaxially connected by connecting rod with micro-disconnected control handle, and described curved bar inserts the dropout button centre bore on micro-breaking away from the end pin of driving circle hypodontia wheel side after arcuate groove.
Miniature circuit breaker motor-operating mechanism the most according to claim 3, it is characterised in that: described driving circle hypodontia wheel and the scarce tooth-formation of gear of manual control circle are circle-arc tooth.
Miniature circuit breaker motor-operating mechanism the most according to claim 4, it is characterised in that: the described angular position sensor driving circle hypodontia wheel and manual control circle hypodontia wheel to be provided with connection control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610421904.0A CN106024543A (en) | 2016-06-15 | 2016-06-15 | Electric operating mechanism for miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610421904.0A CN106024543A (en) | 2016-06-15 | 2016-06-15 | Electric operating mechanism for miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106024543A true CN106024543A (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610421904.0A Pending CN106024543A (en) | 2016-06-15 | 2016-06-15 | Electric operating mechanism for miniature circuit breaker |
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| Country | Link |
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| CN (1) | CN106024543A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946149A (en) * | 2017-12-28 | 2018-04-20 | 宁波市美特微特电机科技有限公司 | A kind of driving mechanism of breaker |
| CN109741978A (en) * | 2019-03-04 | 2019-05-10 | 珠海优特电力科技股份有限公司 | It is remotely controlled micro- disconnected control device and switch block |
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| CN105609383A (en) * | 2016-03-23 | 2016-05-25 | 德力西电气有限公司 | Opening-closing operation control device and circuit breaker |
| CN205282420U (en) * | 2016-01-08 | 2016-06-01 | 乐清市万联电器有限公司 | Low voltage apparatus circuit breaker |
| CN205752070U (en) * | 2016-06-15 | 2016-11-30 | 南京同辉电气科技有限公司 | A kind of miniature circuit breaker motor-operating mechanism |
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2016
- 2016-06-15 CN CN201610421904.0A patent/CN106024543A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006128517A1 (en) * | 2005-05-27 | 2006-12-07 | Ellenberger & Poensgen Gmbh | Device for the remote activation of a manual activation means for a protective switch |
| CN104599912A (en) * | 2015-02-09 | 2015-05-06 | 上海人民电器开关厂集团有限公司乐清分公司 | Ammeter charge controlled automatic disconnecting-connecting miniature circuit breaker |
| CN204966424U (en) * | 2015-08-31 | 2016-01-13 | 北京Abb低压电器有限公司 | Electrically -operated device and miniature circuit breaker |
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| CN105529224A (en) * | 2016-01-20 | 2016-04-27 | 江苏尚研电力科技有限公司 | Operation module for small-sized air switch |
| CN105609383A (en) * | 2016-03-23 | 2016-05-25 | 德力西电气有限公司 | Opening-closing operation control device and circuit breaker |
| CN205752070U (en) * | 2016-06-15 | 2016-11-30 | 南京同辉电气科技有限公司 | A kind of miniature circuit breaker motor-operating mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946149A (en) * | 2017-12-28 | 2018-04-20 | 宁波市美特微特电机科技有限公司 | A kind of driving mechanism of breaker |
| CN109741978A (en) * | 2019-03-04 | 2019-05-10 | 珠海优特电力科技股份有限公司 | It is remotely controlled micro- disconnected control device and switch block |
| CN109741978B (en) * | 2019-03-04 | 2024-03-15 | 珠海优特电力科技股份有限公司 | Remote control micro-breaking control device and switch assembly |
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| PB01 | Publication | ||
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Application publication date: 20161012 |