CN103077864B - Breaking-braking operation mechanism for low-voltage circuit breaker - Google Patents
Breaking-braking operation mechanism for low-voltage circuit breaker Download PDFInfo
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- CN103077864B CN103077864B CN201210586269.3A CN201210586269A CN103077864B CN 103077864 B CN103077864 B CN 103077864B CN 201210586269 A CN201210586269 A CN 201210586269A CN 103077864 B CN103077864 B CN 103077864B
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- circuit breaker
- voltage circuit
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Abstract
The invention provides a breaking-braking operation mechanism for a low-voltage circuit breaker. The breaking-braking operation mechanism comprises a stand, a motor, a driving shaft, a breaking-braking driving part, a switch handle, an interrupted driving mechanism and a controller, wherein the interrupted driving mechanism is arranged between a motor output shaft and the driving shaft and consists of a driven part connected with the driving shaft and an actuating part connected with the output shaft; the actuating part is provided with an action interval and a separation interval; the action interval mutually acts with the driven part; the separation interval is mutually separated from the driven part; and the controller is used for controlling the resting position and the rotating direction of the actuating part and resetting the actuated part to the separation interval when the motor stops. The breaking-braking operation mechanism for the low-voltage circuit breaker, which is disclosed by the invention, is simple and convenient and labor-saving during manual operation.
Description
Technical field
The present invention relates to a kind of on/off switch operating mechanism of low-voltage circuit breaker, belong to low-voltage circuit breaker technical field.
Background technology
Low-voltage circuit breaker is also known as automatic switch, be can connect, carry and electric current under disjunction normal circuit condition, also can connect under the improper circuit of defined (such as short circuit, overload, under-voltage) condition, a kind of device for switching of carrying certain hour and breaking current.When power circuit and motor etc. serious fault occur and make whole circuit be in improper circuit, low-voltage circuit breaker can cut off circuit in time by the conversion operations between the splitting or integrating lock of self, thus carries out protection to power circuit and motor.
The operating mechanism that low-voltage circuit breaker realizes splitting or integrating lock is generally divided into manual-operating mechanism and motor-operating mechanism; in low-voltage circuit breaker far distance controlled field; general by motor-operating mechanism automatic brake separating and combined floodgate low-voltage circuit breaker, thus realize the protection to power circuit and motor.Motor-operating mechanism has electric motor operating mechanism and two kinds, operation electriomagnet mechanism, and motor-operating mechanism has rotating speed can the advantage of flexible, is a kind of low-voltage circuit breaker motor-operating mechanism that current Application comparison is many.But when breaking down due to motor-operating mechanism, also need manually that operating mechanism is to realize automatic brake separating and the combined floodgate of low-voltage circuit breaker, therefore, driving mechanism needs to meet electric operating and manually operated function simultaneously.
Low-voltage short-circuiting device is generally realize on/off switch operation by following process: in the frame of on/off switch operating mechanism, arrange actuated components, effector part and driving shaft, described actuated components moves under the drive of motor, thus drive the motion of effector part, described driving shaft rotates by the driving of effector part, splitting or integrating lock running part is driven to run, splitting or integrating lock running part rotates driving shaft the masterpiece produced and is used on the switch knob of on/off switch operating mechanism, thus drives the on/off switch operation of low-voltage circuit breaker.Wherein comprise connecting rod in splitting or integrating lock running part, described connecting rod rotates with the rotation of described driving shaft, after touching the frame of side, motion is prevented from, and after applying rightabout external force, described connecting rod moves in the opposite direction, move after touching the frame of other side and be prevented from equally, the setting of described connecting rod makes described effector part move in the range of movement limited.
Chinese patent literature CN201689848U discloses a kind of low-voltage electric leakage circuit breaker switching operating mechanism, its frame is provided with motor and by motor-driven driving gear and the driven gear that engages with driving gear, the driven gear shaft of described driven gear is formed rotationally supported by unilateral bearing and frame, driven gear shaft extends to frame and is formed outward and be convenient to manually operated hand rotation portion, driven gear shaft is mounted with rotating shaft rocking arm, the position that described rotating shaft rocking arm departs from driven gear shaft axis is provided with pushing part, pushing part is stretched in the push hole of push pedal, push pedal is slidably connected on guide rod, guide rod and frame are installed fixing.This switching operating mechanism just can realize electronic or manual operation without the need to electronic with manual switch, can use manual operation, thus do not affect the normal operation of low-voltage circuit breaker system when the electric operating of described operating mechanism breaks down or overhauls.But because in this operating mechanism, driving gear and driven gear mesh together all the time, when carrying out manually operated, by the restriction that driving gear and driven gear link, could manual operation be realized after must overcoming the resistance that two gears produce due to engagement, make manual operation compare effort.
Summary of the invention
Technical problem to be solved by this invention is that the driving on/off switch operating mechanism of prior art Low Voltage Circuit Breaker is meeting in manual operation and all attainable situation of electric operating, the resistance that manual operation runs into is comparatively large, the problem of operation effort, thus provides that a kind of manual operation is light, labour-saving low-voltage circuit breaker on/off switch operating mechanism.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
An on/off switch operating mechanism for low-voltage circuit breaker, comprises
Frame;
Motor, is carried by described frame, provides electric driving force;
Driving shaft, is arranged in described frame, by drive force;
Splitting or integrating lock running part, the splitting or integrating lock realizing low-voltage circuit breaker by described drive shaft operates;
Switch knob, is connected with described driving shaft, provides manual actuation power;
Also comprise
Intermittent drive mechanism, is arranged between described motor output shaft and described driving shaft, is made up of the effector part be connected with described driving shaft and the actuated components that is connected with described output shaft; Described actuated components has in motion process and between the described interactional active region of effector part and between the abscission zone mutually departed from;
Controller, controls resting position and the direction of rotation of described actuated components; When described motor stops, described actuated components is resetted between abscission zone.
Described effector part is fixedly sleeved on described driving shaft; Described actuated components is fixedly sleeved to be activated on power transmission shaft one, is connected with described output shaft by a reduction gearing mechanism.
Described effector part is one from the radial extended fork of described driving shaft, described actuated components is the projection outside fixedly sleeved disk on described actuating power transmission shaft and the edge protruding from described disk, described projection contacts with the free end of described fork, and then swings within the restriction range of movement driving described fork to circle at a described projection can to touch.
Described projection is one.
Described projection is two.
Described projection and described disk are formed in one structure.
Described actuated components is the jagged planar disk in side be socketed with described actuating power transmission shaft, the two ends of described recess circumference are shaped sharp protuberance, described sharp protuberance contacts with the free end of described fork and collides described free end, and then drives described fork to swing within described restriction range of movement.
Described effector part is a gear, and described actuated components is a sector gear.
Described driving shaft is arranged in described frame by described driving shaft mount pad, and described driving shaft mount pad is vertical and run through described frame and arrange.
Technique scheme of the present invention advantage is compared to existing technology:
The driving on/off switch operating mechanism of low-voltage circuit breaker of the present invention, comprises intermittent drive mechanism and controller.Described intermittent drive organization establishes, between described motor output shaft and described driving shaft, is made up of the effector part be connected with described driving shaft and the actuated components that is connected with described output shaft; Described actuated components has in motion process and between the described interactional active region of effector part and between the abscission zone mutually departed from.Described controller controls resting position and the direction of rotation of described actuated components, when described motor stops, being resetted between abscission zone by described actuated components.Due to effector part of the present invention and actuated components, under the control of described controller, both are intermittent drive, when described effector part is positioned between active region, both interact, described actuated components drives described effector part to move, and when described motor stops, described actuated components resets between abscission zone; When described effector part is positioned between abscission zone, described actuated components and described effector part depart from, now manual operation also drives described effector part, can not be subject to the resistance that in prior art, effector part and actuated components are permanently connected to and produce, thus make manual operation easier, laborsaving.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein,
Fig. 1 is the vertical view of the splitting or integrating lock operating mechanism of the low-voltage circuit breaker with a projection described in the embodiment of the present invention 1;
Fig. 2 is the end view of the splitting or integrating lock operating mechanism of the low-voltage circuit breaker with a projection described in the embodiment of the present invention 1;
Fig. 3 is the vertical view of the splitting or integrating lock operating mechanism of the low-voltage circuit breaker with two projections described in the embodiment of the present invention 1;
Fig. 4 is the vertical view of the splitting or integrating lock operating mechanism of low-voltage circuit breaker described in the embodiment of the present invention 2.
In figure, Reference numeral is expressed as: 1-frame, 2-motor, 3-driving shaft, 4-driving shaft mount pad, 5-splitting or integrating lock running part, 6-fork, and 7-activates power transmission shaft, 8-disk, 9-projection, 10-planar disk, 11-point protuberance.
Embodiment
Embodiment 1
A splitting or integrating lock operating mechanism for low-voltage circuit breaker, as depicted in figs. 1 and 2, comprises frame 1, motor 2, driving shaft 3, splitting or integrating lock running part 5, switch knob, intermittent drive mechanism, controller.Described motor 2 is carried by described frame 1, provides electric driving force; Described driving shaft 3 is arranged in described frame 1 by described driving shaft mount pad 4, and described driving shaft mount pad 4 is vertical and run through described frame 1 and arrange, and described driving shaft 3 is by drive force; Described splitting or integrating lock running part drives the splitting or integrating lock realizing low-voltage circuit breaker to operate by described driving shaft 3; Described switch knob (not identifying in figure) is connected with described driving shaft 3, provides manual actuation power; Described intermittent drive organization establishes is between described motor 2 output shaft and described driving shaft 3, be made up of the effector part be connected with described driving shaft 3 and the actuated components that is connected with described output shaft, described actuated components has in motion process and between the described interactional active region of effector part and between the abscission zone mutually departed from, described effector part is one from the radial extended fork 6 of described driving shaft 3, and described fork 6 is fixedly sleeved on described driving shaft 3; Described actuated components is fixedly sleeved to be activated on power transmission shaft 7 one, is connected with described motor 2 output shaft by a reduction gearing mechanism.Described actuated components is the projection 9 outside fixedly sleeved disk 8 on described actuating power transmission shaft 7 and the edge protruding from described disk 8, described projection 9 contacts with the free end of described fork 6, and then swing within the restriction range of movement driving described fork 6 to circle at a described projection 9 can to touch, the quantity of described projection 9 is one, and described projection 9 and described disk 8 are formed in one structure.Controller described in the present embodiment controls resting position and the direction of rotation of described actuated components, at described motor 2 when stopping, being resetted between abscission zone by described actuated components.
Effector part described in the present embodiment and actuated components under the control of described controller both be between the active region of effector part and between abscission zone between intermittent drive, when carrying out electric operating, by controller, described motor 2 is rotated forward, and then drive fixedly sleeved disk 8 on described actuating power transmission shaft 7 to rotate, described disk 8 drives described projection 9 to rotate to the direction of the free end near described fork 6, after described projection 9 to contact with the free end of described fork 6 and collides described free end, described free end is around described driving shaft 3 to the side end points motion between the active region of described fork 6, and then drive described low-voltage circuit breaker to close a floodgate, and after described projection 9 collides the free end of described fork 6, under the effect of described controller, described projection 9 resets in the abscission zone of starting before motor 2.When described motor 2 reverses, described projection 9 contacts along the contrary direction of moving of projection 9 when rotating forward with motor 2 and collides described fork 6, and then make the free end of described fork 6 around described driving shaft 3 to the opposite side end points motion between the active region of described fork 6, and then driving described low-voltage circuit breaker to carry out separating brake, described cam resets in abscission zone equally.When described motor 2 break down can not run and use manual operation time, because described fork 6 is separated with described projection 9, so, now manual operation also drives described driving shaft 3 can realize the splitting or integrating lock of described low-voltage circuit breaker, the resistance that in prior art, effector part and actuated components are permanently connected to and produce can not be subject to, thus make manual operation easier, laborsaving.
As preferred embodiment, arranging projection 9 in the present embodiment is one, the rotation on a large scale of projection 9 is driven to realize the contact of described projection 9 and fork 6 and collide by disk 8, as selectable execution mode, described projection 9 can be set to two, as shown in Figure 3, two projections 9 are all arranged on outside the edge of described disk 8.In such cases, when motor 2 rotates forward, first projection 9 contacts and collides the free end of described fork 6; When motor 2 reverses, second projection 9 contacts and collides the free end of described fork 6, makes described disk 8 that the splitting or integrating lock that can realize described low-voltage circuit breaker not occur to rotate on a large scale.
Embodiment 2
The present embodiment as shown in Figure 4, be with the difference of embodiment 1, described actuated components is the jagged planar disk 10 in side be socketed with described actuating power transmission shaft 7, the two ends of described recess circumference are shaped sharp protuberance 11, described sharp protuberance 11 contacts with the free end of described fork 6 and collides described free end, and then drives described fork 6 to swing within described restriction range of movement.The work process of embodiment 2 is that those skilled in the art obviously can associate according to the course of work of embodiment 1, does not repeat them here.
Embodiment 3
The difference of the present embodiment and embodiment 1 is, described effector part is a gear, and described actuated components is a sector gear.When described motor 2 stops, described sector gear engages with departing from by moving gear, now, switch knob described in manual operation and then when driving described driving shaft 3, because described gear does not contact with described sector gear, the resistance that in prior art, effector part and actuated components are permanently connected to and produce can not be subject to, thus make manual operation easier, laborsaving.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes, and thus the apparent change of extending out or variation be still among protection scope of the present invention.
Claims (8)
1. an on/off switch operating mechanism for low-voltage circuit breaker, comprises
Frame (1);
Motor (2), by described frame (1) carrying, provides electric driving force;
Driving shaft (3), is arranged in described frame (1), by drive force;
Splitting or integrating lock running part (5), drives the splitting or integrating lock operation realizing low-voltage circuit breaker by described driving shaft (3);
Switch knob, is connected with described driving shaft (3), provides manual actuation power;
It is characterized in that, also comprise
Intermittent drive mechanism, is arranged between described motor (2) output shaft and described driving shaft (3), is made up of the effector part be connected with described driving shaft (3) and the actuated components that is connected with described output shaft; Described actuated components has in motion process and between the described interactional active region of effector part and between the abscission zone mutually departed from;
Controller, controls resting position and the direction of rotation of described actuated components; When described motor (2) stops, described actuated components is resetted between abscission zone; When described motor (2) stops, described actuated components is resetted between abscission zone; When described controller makes described motor (2) rotate forward, drive described driving shaft (3) to rotate by described intermittent drive mechanism, and then drive described splitting or integrating lock running part (5) to realize the closing operation of described low-voltage circuit breaker; When described controller makes described motor (2) reverse, drive described driving shaft (3) to rotate by described intermittent drive mechanism, and then drive described splitting or integrating lock running part (5) to realize the sub-switching operation of described low-voltage circuit breaker.
2. the on/off switch operating mechanism of low-voltage circuit breaker according to claim 1, is characterized in that, described effector part is fixedly sleeved on described driving shaft (3); Described actuated components is fixedly sleeved to be activated on power transmission shaft (7) one, is connected with described output shaft by a reduction gearing mechanism.
3. the on/off switch operating mechanism of low-voltage circuit breaker according to claim 2, it is characterized in that, described effector part is one from the radial extended fork (6) of described driving shaft (3), described actuated components is the projection (9) outside fixedly sleeved disk (8) on described actuating power transmission shaft (7) and the edge protruding from described disk (8), described projection (9) contacts with the free end of described fork (6), and then swings within the restriction range of movement driving described fork (6) to circle a described projection (9) can to touch.
4. the on/off switch operating mechanism of low-voltage circuit breaker according to claim 3, is characterized in that, described projection (9) is one.
5. the on/off switch operating mechanism of low-voltage circuit breaker according to claim 3, is characterized in that, described projection (9) is two.
6. the on/off switch operating mechanism of low-voltage circuit breaker according to claim 3, it is characterized in that, described actuated components is the jagged planar disk in the side (10) be socketed with described actuating power transmission shaft (7), the two ends of described recess circumference are shaped sharp protuberance (11), described sharp protuberance (11) contacts with the free end of described fork (6) and collides described free end, and then drives described fork (6) to swing within described restriction range of movement.
7. the on/off switch operating mechanism of low-voltage circuit breaker according to claim 2, is characterized in that, described effector part is a gear, and described actuated components is a sector gear.
8. according to the on/off switch operating mechanism of the arbitrary described low-voltage circuit breaker of claim 1-7, it is characterized in that, described driving shaft (3) is arranged in described frame (1) by described driving shaft mount pad (4), and described driving shaft mount pad (4) is vertical and run through described frame (1) and arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210586269.3A CN103077864B (en) | 2012-12-28 | 2012-12-28 | Breaking-braking operation mechanism for low-voltage circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210586269.3A CN103077864B (en) | 2012-12-28 | 2012-12-28 | Breaking-braking operation mechanism for low-voltage circuit breaker |
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| CN103077864A CN103077864A (en) | 2013-05-01 |
| CN103077864B true CN103077864B (en) | 2015-07-01 |
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| CN201210586269.3A Active CN103077864B (en) | 2012-12-28 | 2012-12-28 | Breaking-braking operation mechanism for low-voltage circuit breaker |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206774470U (en) * | 2017-04-24 | 2017-12-19 | 深圳曼顿科技有限公司 | New Type of Low Voltage Circuit Breaker with Data Detection function |
| CN110517908A (en) * | 2019-08-27 | 2019-11-29 | 辛铁涛 | A kind of intermittent power control apparatus of electric current |
| CN111613488A (en) * | 2020-05-14 | 2020-09-01 | 国网河北省电力公司检修分公司 | Portable remote electric switching-on device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201112305Y (en) * | 2007-07-26 | 2008-09-10 | 方云祥 | Mechanical interlocking transmission device of double-power automatic transfer switch |
| CN101577196A (en) * | 2009-05-31 | 2009-11-11 | 麦广炜 | Electric control switch-on operating mechanism for miniature breaker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009123420A (en) * | 2007-11-13 | 2009-06-04 | Fuji Electric Fa Components & Systems Co Ltd | Remote control device of circuit breaker |
| CN202957210U (en) * | 2012-12-28 | 2013-05-29 | 巨邦电气有限公司 | Closing/opening operation mechanism of low-voltage circuit breaker |
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- 2012-12-28 CN CN201210586269.3A patent/CN103077864B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201112305Y (en) * | 2007-07-26 | 2008-09-10 | 方云祥 | Mechanical interlocking transmission device of double-power automatic transfer switch |
| CN101577196A (en) * | 2009-05-31 | 2009-11-11 | 麦广炜 | Electric control switch-on operating mechanism for miniature breaker |
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| CN103077864A (en) | 2013-05-01 |
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Address after: Twenty Road, Yueqing Economic Development Zone in Zhejiang province science and Technology Park 325600 Jubang Wei Wenzhou City Applicant after: JUBANG ELECTRIC CO., LTD. Address before: Twenty Road, Yueqing Economic Development Zone in Zhejiang province science and Technology Park 325600 Jubang Wei Wenzhou City Applicant before: Jubang Electric Co., Ltd. |
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Address after: Twenty Road, Yueqing Economic Development Zone in Zhejiang province science and Technology Park 325600 Jubang Wei Wenzhou City Patentee after: Grand Group Co., Ltd. Address before: Twenty Road, Yueqing Economic Development Zone in Zhejiang province science and Technology Park 325600 Jubang Wei Wenzhou City Patentee before: JUBANG ELECTRIC CO., LTD. |