CN202796805U - Transmission mechanism of automatic closing device of circuit breaker - Google Patents
Transmission mechanism of automatic closing device of circuit breaker Download PDFInfo
- Publication number
- CN202796805U CN202796805U CN 201220388937 CN201220388937U CN202796805U CN 202796805 U CN202796805 U CN 202796805U CN 201220388937 CN201220388937 CN 201220388937 CN 201220388937 U CN201220388937 U CN 201220388937U CN 202796805 U CN202796805 U CN 202796805U
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- transmission
- driver blade
- circuit breaker
- central shaft
- housing
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Abstract
The utility model discloses a transmission mechanism of an automatic closing device of a circuit breaker, which comprises a shell body, a positive and negative rotating motor arranged in the shell body, a transmission central shaft, a transmission gear, and a driving gear which used for driving linkage of a handle of a circuit breaker, wherein a first transmission sheet is arranged on the transmission central shaft in a manner of freely rotating; corresponding to the lower side of the first transmission sheet, a second transmission sheet which is fixedly linked with the transmission central shaft is arranged on the transmission central shaft; the second transmission sheet is arranged in the shell body, and a rotating centerline of the second transmission sheet is coaxial with the transmission central shaft; arched teeth which are engaged, transmitted and matched with a bevel gear are arranged on the first transmission sheet; in a position relative to one side of the anticlockwise rotating direction of the first transmission sheet, a linkage baffle block is arranged on the second transmission sheet, thereby forming a matching structure that the first transmission sheet and the second transmission sheet are linked in an anticlockwise direction and are mutually free in a clockwise direction. The transmission mechanism of the automatic closing device of the circuit breaker has the advantages that: the circuit breaker is driven to close, and a normal opening action of the circuit breaker cannot be influenced; and the electrical safety of the user is guaranteed.
Description
Technical field
The utility model relates to a kind of circuit breaker automatic switching-on device, specifically refers to the transmission mechanism of circuit breaker automatic switching-on device.
Background technology
Along with the development of China's intelligent grid, requiring under the prerequisite of safe operation of electric network, need in a hurry control apparatus intelligent.For example, being used of prepayment meter and prepayment small-sized circuit breaker (such as MM7S and the MM10S series of products of Zhejiang Mike's power Electric Applicance Co., Ltd production) can make electricity consumer automatic cut-off power when prepayment electric expense is used up.So greatly facilitate power supply unit to the distribution control of electric energy.But after the user continued to pay dues, user's circuit breaker is automatic closing in time, also needed user or powered operation personnel manual operation, made troubles to the user, can not adapt to the needs of electrical network intelligent development.
By retrieval, the Chinese patent application publication number is that 101707169A discloses " a kind of motor-operating mechanism of realizing automatic switching-on function of miniature circuit breaker ", its technical scheme is to rotate by motor-driven screw thread drive link, then drive the thread bush slippage, thereby driving and shift fork and handle swing back and forth, and realize automatic switching-in function.Although this structure has realized the function of automatic closing, but but there is following defective: after the user continues to pay dues, thread bush slides, shift fork and handle carry out feed motion, the handle of the handle of this operating-controlling mechanism and then driving circuit breaker clockwise rotates and closes a floodgate, but for the precharging circuit device, when subscriber arrearage or during fault, its meeting automatic trip, the handle of circuit breaker can reset counterclockwise, yet the control handle of the motor-operating mechanism of above-mentioned documents (101707169A) is but always spacing at the rear of circuit breaker handle, causes circuit breaker handle can't rotate tripping operation.Therefore, for the handle capable of being that ensures circuit breaker normally trips, this motor-operating mechanism also needs to drive simultaneously thread bush and resets, could so that the tripping operation of the handle of circuit breaker reset.But known, the motor-driven screw thread drive link of this documents (101707169A) and then drive thread bush spent time of action are longer than the tripping operation drop-away time of circuit breaker far away, in case circuit breaks down, need the circuit breaker fast trip, yet the handle of circuit breaker but is subject to the control handle of this motor-operating mechanism and can not returns fast, for the user, be exactly very serious potential safety hazard, can't ensure user's Electrical Safety.
Summary of the invention
The purpose of this utility model is the shortcoming and defect that exists in order to overcome prior art, and provide a kind of transmission mechanism of circuit breaker automatic switching-on device, this transmission mechanism can be realized driving breaker closing and can not affect the normal separating brake action of circuit breaker, ensures user's Electrical Safety.
For achieving the above object, the technical solution of the utility model is to include housing, be arranged at the clockwise and anticlockwise motor in the housing, the transmission central shaft, travelling gear, and the driven wheel that is used for the handle interlock of driving circuit breaker, described driven wheel rotates and is arranged in the housing, described travelling gear coaxial linkage is arranged on the transmission central shaft, and this travelling gear and driven wheel engaged transmission cooperate, be linkedly set with bevel gear on the power output shaft of described clockwise and anticlockwise motor, freely rotate on the described transmission central shaft and be provided with the first driver blade, the below of relative the first driver blade is provided with and fixing the second driver blade that links of transmission central shaft on the described transmission central shaft, this second driver blade rotates and is arranged in the housing, and the rotary centerline of this second driver blade and transmission spigot shaft coaxle, be provided with the arc-shaped gear that cooperates with the bevel gear engaged transmission on described the first driver blade, the side that relative the first driver blade rotates counterclockwise direction on this second driver blade is provided with the interlock block, consists of the first driver blade and the second driver blade links in the counterclockwise direction, clockwise direction is fit structure freely mutually.
Further arranging is that described the first driver blade and the second driver blade are sector structure, and described transmission central shaft is positioned at the center of circle of the two.
Further arranging is the home position that described transmission central shaft is fixedly installed on the second driver blade, be provided with the transmission back shaft with transmission spigot shaft coaxle line on the described inner walls, described the second driver blade rotates by this transmission back shaft and is arranged in the housing, described travelling gear interlock is arranged on the transmission central shaft, and described the first driver blade freely rotates and is arranged on this transmission central shaft.
Further arranging is to rotate on the described transmission central shaft to be provided with packing ring between the first driver blade and travelling gear.
Further arranging is the curved edge position that described arc-shaped gear is arranged at its first driver blade.
Further arranging is that described clockwise and anticlockwise motor is the rotating reducing motor, and described bevel gear is set on the power output shaft of clockwise and anticlockwise motor by the fixing interlock of flat key.
Wheel rim one end that further setting is described driven wheel is fixedly installed and exposes to the outer handle of housing.
Further arranging is that described housing is spliced by loam cake and bottom.
The utility model operation principle of the present utility model is: by above-mentioned setting, (1) clockwise and anticlockwise motor forward, drive bevel-gear rotating, and then drive the first driver blade and rotate counterclockwise, the first driver blade rotates, promote the interlock block, rotate together counterclockwise thereby promote the second driver blade, the second driver blade rotates and drives the rotation of transmission central shaft, and then the travelling gear of drive and the interlock of transmission spigot shaft coaxle rotates, and then drive the driven wheel rotation, realize the automatic closing operation to circuit breaker;
(2) behind the breaker closing; the clockwise and anticlockwise motor counter-rotating; drive bevel-gear rotating; and then drive the first driver blade and clockwise rotate; because the interlock block does not have and the first driver blade effect in the clockwise direction; therefore; this process; only having the first driver blade to clockwise rotate resets; and first driver blade and transmission central shaft be freely to be rotatably assorted; therefore, the first driver blade clockwise rotates can not be with nutating gear to rotate yet, when the first driver blade is got back to initial position; the clockwise and anticlockwise motor counter-rotating is shut down; can ensure that circuit breaker hinders for some reason or the arrearage tripping operation in case the first driver blade resetted, can pass through again electric machine rotation, just can realize circuit breaker trip; the driving handle correspondence rotates counterclockwise; the driving travelling gear rotates; and then driving transmission central shaft; the second driver blade rotates the quick interlocking action (being above-mentioned " being separated with clockwise and anticlockwise motor ") such as reset, and therefore can realize fast trip, has ensured Electrical Safety.
Advantage of the present utility model the utility model has the advantages that: can realize the automatic closing of circuit breaker handle is driven, and can not affect the response time of the normal tripping operation of circuit breaker, ensure user power utilization safety.
Below in conjunction with specification drawings and specific embodiments the utility model is done further introduction.
Description of drawings
The structural representation of Fig. 1 the utility model embodiment;
Fig. 2 the utility model example structure explosive view;
Fig. 3-1, Fig. 3-2, Fig. 3-3 are the operating state flow chart of the utility model embodiment.
Embodiment
Below by embodiment the utility model is carried out concrete description; only be used for the utility model is further specified; can not be interpreted as the restriction to the utility model protection range, the technician in this field can make some nonessential improvement and adjustment to the utility model according to the content of above-mentioned utility model.
Embodiment of the present utility model as Figure 1-3, the driven wheel 24 that includes housing 1 and be arranged at housing 1 interior clockwise and anticlockwise motor 21, transmission central shaft 22, travelling gear 23 and be used for driving the handle interlock of circuit breaker, this housing 1 housing of present embodiment is spliced by loam cake 11 and bottom 12.Described driven wheel 24, wheel rim one end of this driven wheel 24 is fixedly installed and exposes to the outer handle 241 of housing, driven wheel as the handle interlock that drives circuit breaker, it can be by the handle interlock of handle 241 with circuit breaker, synchroswitching or separating brake, also can arrange by the center of rotation of its driven wheel 24 kinematic link with the interlock of the handle of circuit breaker, synchroswitching or separating brake, thereby with circuit breaker amalgamation operation, these concrete modes of using may be used to actual use the of the present utility model.
The described driven wheel 24 of present embodiment rotates and is arranged in the housing, described travelling gear 23 coaxial linkages are arranged on the transmission central shaft 22, and this travelling gear 23 and driven wheel 24 engaged transmission cooperate, be linkedly set with bevel gear 212 on the power output shaft 211 of described clockwise and anticlockwise motor 21, present embodiment particularly this clockwise and anticlockwise motor 21 is the rotating reducing motor, described bevel gear 212 is set on the power output shaft 211 of clockwise and anticlockwise motor 21 by flat key 213 fixing interlocks, freely rotate on the described transmission central shaft 22 and be provided with the first driver blade 25, the below of relative the first driver blade 25 is provided with and fixing the second driver blade 26 that links of transmission central shaft on the described transmission central shaft 22, this second driver blade 26 rotates and is arranged in the housing 1, and the rotary centerline of this second driver blade 26 is coaxial with transmission central shaft 22, be provided with the arc-shaped gear 251 that cooperates with bevel gear 212 engaged transmission on described the first driver blade 25, the side that relative the first driver blade rotates counterclockwise direction on this second driver blade 26 is provided with interlock block 261, consist of the first driver blade 25 and the second driver blade 26 links in the counterclockwise direction, clockwise direction is fit structure freely mutually, described the first driver blade 25 of present embodiment and the second driver blade 26 are sector structure, wherein, arc-shaped gear 251 is arranged at the curved edge position of its first driver blade 25, described transmission central shaft 22 is positioned at the center of circle of the two, in addition, the described transmission central shaft 22 of present embodiment is fixedly installed on the home position of the second driver blade 26, be provided with the transmission back shaft 13 with transmission spigot shaft coaxle line on described housing 1 inwall, described the second driver blade 26 rotates by this transmission back shaft 13 and is arranged in the housing 1, described travelling gear 23 interlocks are arranged on the transmission central shaft 22, described the first driver blade 25 freely rotates and is arranged on this transmission central shaft 22, in addition, between the first driver blade 25 and travelling gear 23, rotate on the described transmission central shaft 22 and be provided with packing ring 27.
The utility model is in conjunction with concrete electronic control mechanism; can realize the function of automatic closing; be used for control clockwise and anticlockwise motor main story, counter-rotating and shutdown action by electronic control mechanism, realize that driven wheel rotates to close a floodgate, the action that then is separated with clockwise and anticlockwise motor.
As shown in Figure 3, referring to Fig. 3-1 clockwise and anticlockwise motor 21 forwards, drive bevel gear 212 and rotate, and then drive the first driver blade 25 and rotate counterclockwise, the first driver blade 25 rotates, promote interlock block 261, rotate together counterclockwise thereby promote the second driver blade 26, the second driver blade 26 rotates and drives 22 rotations of transmission central shaft, and then the travelling gear 23 of drive and the interlock of transmission spigot shaft coaxle rotates, and then drive driven wheel 24 rotations, realize the automatic closing operation to circuit breaker;
Referring to Fig. 3-2; behind the breaker closing; clockwise and anticlockwise motor 21 counter-rotatings; driving bevel gear 212 rotates; and then drive the first driver blade 25 and clockwise rotate; because interlock block 261 does not act on the first driver blade 25 in the clockwise direction; therefore; this process; only having the first driver blade 25 to clockwise rotate resets; and first driver blade 25 be freely to be rotatably assorted with transmission central shaft 22; therefore; the first driver blade 25 clockwise rotates can not be with nutating gear 23 to rotate yet; when the first driver blade 25 is got back to initial position; clockwise and anticlockwise motor 21 counter-rotatings are shut down; can ensure that circuit breaker hinders for some reason or the arrearage tripping operation in case the first driver blade 25 resetted; can pass through again electric machine rotation; just can realize circuit breaker trip (referring to Fig. 3-3); the driving handle correspondence rotates counterclockwise; the driving travelling gear rotates; and then driving transmission central shaft; the second driver blade rotates the quick interlocking action (being above-mentioned " being separated with clockwise and anticlockwise motor ") such as reset; therefore can realize fast trip, ensure Electrical Safety.
Claims (8)
1. the transmission mechanism of a circuit breaker automatic switching-on device, it is characterized in that: include housing, be arranged at the clockwise and anticlockwise motor in the housing, the transmission central shaft, travelling gear, and the driven wheel that is used for the handle interlock of driving circuit breaker, described driven wheel rotates and is arranged in the housing, described travelling gear coaxial linkage is arranged on the transmission central shaft, and this travelling gear and driven wheel engaged transmission cooperate, be linkedly set with bevel gear on the power output shaft of described clockwise and anticlockwise motor, freely rotate on the described transmission central shaft and be provided with the first driver blade, the below of relative the first driver blade is provided with and fixing the second driver blade that links of transmission central shaft on the described transmission central shaft, this second driver blade rotates and is arranged in the housing, and the rotary centerline of this second driver blade and transmission spigot shaft coaxle, be provided with the arc-shaped gear that cooperates with the bevel gear engaged transmission on described the first driver blade, the side that relative the first driver blade rotates counterclockwise direction on this second driver blade is provided with the interlock block, consists of the first driver blade and the second driver blade links in the counterclockwise direction, clockwise direction is fit structure freely mutually.
2. the transmission mechanism of a kind of circuit breaker automatic switching-on device according to claim 1, it is characterized in that: described the first driver blade and the second driver blade are sector structure, and described transmission central shaft is positioned at the center of circle of the two.
3. the transmission mechanism of a kind of circuit breaker automatic switching-on device according to claim 2, it is characterized in that: described transmission central shaft is fixedly installed on the home position of the second driver blade, be provided with the transmission back shaft with transmission spigot shaft coaxle line on the described inner walls, described the second driver blade rotates by this transmission back shaft and is arranged in the housing, described travelling gear interlock is arranged on the transmission central shaft, and described the first driver blade freely rotates and is arranged on this transmission central shaft.
4. the transmission mechanism of a kind of circuit breaker automatic switching-on device according to claim 3 is characterized in that: rotate between the first driver blade and travelling gear on the described transmission central shaft and be provided with packing ring.
5. the transmission mechanism of a kind of circuit breaker automatic switching-on device according to claim 4, it is characterized in that: described arc-shaped gear is arranged at the curved edge position of its first driver blade.
6. the transmission mechanism of a kind of circuit breaker automatic switching-on device according to claim 1, it is characterized in that: described clockwise and anticlockwise motor is the rotating reducing motor, described bevel gear is set on the power output shaft of clockwise and anticlockwise motor by the fixing interlock of flat key.
7. the transmission mechanism of a kind of circuit breaker automatic switching-on device according to claim 1 is characterized in that: wheel rim one end of described driven wheel is fixedly installed and exposes to the outer handle of housing.
8. the transmission mechanism of a kind of circuit breaker automatic switching-on device according to claim 1, it is characterized in that: described housing is spliced by loam cake and bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220388937 CN202796805U (en) | 2012-08-07 | 2012-08-07 | Transmission mechanism of automatic closing device of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220388937 CN202796805U (en) | 2012-08-07 | 2012-08-07 | Transmission mechanism of automatic closing device of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796805U true CN202796805U (en) | 2013-03-13 |
Family
ID=47824009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220388937 Expired - Fee Related CN202796805U (en) | 2012-08-07 | 2012-08-07 | Transmission mechanism of automatic closing device of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202796805U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646831A (en) * | 2013-12-16 | 2014-03-19 | 温州市中基电子有限公司 | Single-phase auto-reclosing breaker |
| CN103887123A (en) * | 2014-03-11 | 2014-06-25 | 温州圣普电气有限公司 | Intelligent switch-on and switch-off device of miniature circuit breaker |
| CN104008935A (en) * | 2014-06-12 | 2014-08-27 | 温州圣普电气有限公司 | Reclosing device of prepayment breaker |
| CN104269330A (en) * | 2014-09-03 | 2015-01-07 | 浙江麦克力电气股份有限公司 | Reclosure transmission mechanism of circuit breaker reclosure device |
-
2012
- 2012-08-07 CN CN 201220388937 patent/CN202796805U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646831A (en) * | 2013-12-16 | 2014-03-19 | 温州市中基电子有限公司 | Single-phase auto-reclosing breaker |
| CN103646831B (en) * | 2013-12-16 | 2016-04-13 | 温州市中基电子有限公司 | A kind of single phase autoreclosing circuit breaker |
| CN103887123A (en) * | 2014-03-11 | 2014-06-25 | 温州圣普电气有限公司 | Intelligent switch-on and switch-off device of miniature circuit breaker |
| CN103887123B (en) * | 2014-03-11 | 2016-03-30 | 温州圣普电气有限公司 | A kind of intelligence of miniature circuit breaker is divided, closing device |
| CN104008935A (en) * | 2014-06-12 | 2014-08-27 | 温州圣普电气有限公司 | Reclosing device of prepayment breaker |
| CN104269330A (en) * | 2014-09-03 | 2015-01-07 | 浙江麦克力电气股份有限公司 | Reclosure transmission mechanism of circuit breaker reclosure device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20200807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |