CN201975350U - Small-sized circuit breaker with function of undervoltage and overvoltage protection - Google Patents
Small-sized circuit breaker with function of undervoltage and overvoltage protection Download PDFInfo
- Publication number
- CN201975350U CN201975350U CN2011201243498U CN201120124349U CN201975350U CN 201975350 U CN201975350 U CN 201975350U CN 2011201243498 U CN2011201243498 U CN 2011201243498U CN 201120124349 U CN201120124349 U CN 201120124349U CN 201975350 U CN201975350 U CN 201975350U
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- circuit breaker
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- lever
- miniature circuit
- voltage
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Abstract
The utility model relates to a small-sized circuit breaker with the function of undervoltage and overvoltage protection, solving the problems that the existing small-sized circuit breaker with undervoltage and overvoltage protection has a complicated structure, is inconvenient to assemble, and is easy to be undervoltage, overvoltage without tripping, or misoperation. The small-sized circuit breaker with the functions of the undervoltage and overvoltage protection is characterized in that a lever (5) is articulated in a protector casing (1); a button (6) with an end exposed outside is arranged in the protector casing (1); one end on the lever (5), corresponding to the button (6), is provided with a clamping block (7) and a slot (9) which is clamped with a ring-shaped groove (13) on an iron core (4); a clamping groove (8) is arranged on the button (6), and the clamping block (7) and the clamping groove (8) correspond to each other and can be clamped into the clamping groove (7); and the button (6) is internally provided with a spring (12) which can cause the button (6) to upspring; and the lever (5) corresponds to a connection shaft (10). The small-sized circuit breaker with the function of the undervoltage and overvoltage protection has the advantages of simple structure, low cost, safety and reliability and convenience for assembly.
Description
Technical field
The utility model relates to a kind of miniature circuit breaker, is specifically related to a kind of miniature circuit breaker under-voltage, over-voltage protecting function that has.
Background technology
Miniature circuit breaker is meant and exchanges the low-voltage circuit breaker that uses on 50/60Hz rated voltage 230/400V, the following circuit of rated current 63A, is usually used in places such as industry, commerce, high level and residential houses.The occasion used miniature circuit breaker strict for voltage request all has under-voltage, over-voltage protecting function; existing under-voltage, overvoltage protection miniature circuit breaker be, overvoltage crowbar plate under-voltage, dropout driver in the assembly unit of the side of miniature circuit breaker and with the link gear of miniature circuit breaker handle servo-actuated; when under-voltage or overvoltage; the dropout driver moves and by link gear snap close and tripping in the miniature circuit breaker is broken away from; miniature circuit breaker is threaded off, and main circuit disconnects.When closed, the handle of miniature circuit breaker can make link gear reset.There is following defective in this under-voltage, overvoltage protection miniature circuit breaker: the parts of forming link gear are many, complex structure, the cost height is not easy to assembling, is prone to fault in use, occur under-voltage, overvoltage is not threaded off or the misoperation phenomenon.
The utility model content
For overcome existing under-voltage, overvoltage protection miniature circuit breaker complex structure, be not easy to assemble and be prone to under-voltage, overvoltage is not threaded off or the deficiency of misoperation; the utility model provides a kind of miniature circuit breaker under-voltage, over-voltage protecting function that has, and this miniature circuit breaker has characteristics simple in structure, that cost is low, safe and reliable and easy to assembly.
The technical solution of the utility model is: a kind of have under-voltage, the miniature circuit breaker of over-voltage protecting function comprises protector housing, described protector housing can be assembled on the miniature circuit breaker housing, the outer wall that pastes mutually with the miniature circuit breaker housing on the protector housing is provided with deep-slotted chip breaker, be provided with connecting axle in the deep-slotted chip breaker, one end of connecting axle links to each other with the snap close in the miniature circuit breaker, the other end of connecting axle extend in the protector housing, be provided with the dropout driver in the protector housing, the spring that is provided with iron core in the dropout driver and iron core is resetted, the external part of iron core is provided with cannelure, dropout driver and under-voltage, the overvoltage control circuit board is electrically connected, be hinged with lever in the protector housing, be provided with the termination in the protector housing and expose outside button, an end corresponding with button on the lever is provided with fixture block and slot, described slot blocks mutually with cannelure on the iron core, button is provided with draw-in groove, described fixture block is corresponding with draw-in groove and can snap in the described draw-in groove, is provided with the spring that button is upspring in the button; Lever is corresponding with connecting axle.
Described lever is provided with side plate, and described side plate is corresponding with connecting axle.
The utlity model has following beneficial effect: owing to take such scheme, during under-voltage, overvoltage, the dropout driver orders about iron core and stretches out, iron core promotes lever rotates lever, lever and button break away from the snap close and the tripping that promote simultaneously in the connecting axle drive miniature circuit breaker housing and throw off, realize that miniature circuit breaker is under-voltage, overvoltage is threaded off, this moment the button locking lever, lever makes connecting axle not have free movable space, snap close and tripping in the miniature circuit breaker can not lock, and the miniature circuit breaker handle can not be closed; When resetting, connect knob down, in the dropout driver under the action of reset spring of iron core, iron core stretches out, lever blocks mutually in company with the iron core motion and with button, connecting axle has free movable space, reset under the effect that latches in back-moving spring own in the miniature circuit breaker and with the tripping locking, the miniature circuit breaker handle can be closed.Compare with background technology, removed complicated loaded down with trivial details link gear, simple in structure, easy to assembly, safe and reliable, cost is low.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is exploded views of Fig. 1.
Accompanying drawing 3 is structural representations of lever 5 among Fig. 1.
Accompanying drawing 4 is electrical equipment control block diagrams of the present utility model.
1-protector housing among the figure, the 2-arc-shaped slot, 3-dropout driver, the 4-iron core, the 5-lever, the 51-side plate, the 6-button, the 7-fixture block, the 8-draw-in groove, the 9-slot, the 10-connecting axle, 11-is under-voltage, the overvoltage control circuit board, 12-spring, 13-cannelure.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
By Fig. 1 in conjunction with Fig. 2-shown in Figure 4; a kind of have under-voltage; the miniature circuit breaker of over-voltage protecting function comprises protector housing 1; described protector housing 1 can be assembled on the miniature circuit breaker housing; the outer wall that pastes mutually with the miniature circuit breaker housing on the protector housing 1 is provided with deep-slotted chip breaker 2; be provided with connecting axle 10 in the deep-slotted chip breaker 2; one end of connecting axle 10 links to each other with the snap close in the miniature circuit breaker; the other end of connecting axle 10 extend in the protector housing 1; be provided with dropout driver 3 in the protector housing 1; the spring that is provided with iron core 4 in the dropout driver 3 and iron core 4 is resetted; the external part of iron core 4 is provided with cannelure 13; dropout driver 3 is with under-voltage; overvoltage control circuit board 11 is electrically connected; described under-voltage; overvoltage control circuit board 11 is provided with the voltage signal acquisition circuit; undervoltage detection circuit; over-voltage detection circuit and triggering executive circuit, dropout driver drive 3 and are connected in the triggering executive circuit.Be hinged with lever 5 in the protector housing 1, be provided with the termination in the protector housing 1 and expose outside button 6, an end corresponding with button 6 on the lever 5 is provided with fixture block 7 and slot 9, described slot 9 blocks mutually with cannelure 13 on the iron core 4, button 6 is provided with draw-in groove 8, described fixture block 7 and draw-in groove 8 are corresponding and can snap in the described draw-in groove 8, are provided with the spring 12 that button 6 is upspring in the button 6; Lever 5 is corresponding with connecting axle 10.During under-voltage, overvoltage, the dropout driver drives 3 work, the dropout driver drives 3 stretches out iron core 4, iron core 4 promotes lever 5 rotates lever 5, and lever 5 breaks away from the snap close and the tripping that promote simultaneously in the connecting axle 10 drive miniature circuit breaker housings with button 6 and throws off, and realizes that miniature circuit breaker is under-voltage, overvoltage is threaded off, this moment button 6 locking levers 5, lever 5 makes connecting axle 10 not have free movable space, and snap close and tripping in the miniature circuit breaker can not lock, and the miniature circuit breaker handle can not be closed; When resetting, connect knob down 6, in dropout driver 3 under the action of reset spring of iron core 4, iron core 4 stretches out, lever 6 blocks mutually in company with the iron core motion and with button 6, connecting axle 10 has free movable space, reset under the effect that latches in back-moving spring own in the miniature circuit breaker and with the tripping locking, the miniature circuit breaker handle can be closed.Compare with background technology, removed complicated loaded down with trivial details link gear, simple in structure, easy to assembly, safe and reliable, cost is low.The dropout driver drives 3 for the matching used modular member of c45 miniature circuit breaker, and the structural design of lever 5 is to drive 3 structure in order to adapt to the dropout driver, and the utility model directly uses modular member, and it is few to change parts, is beneficial to industrialization production.
In conjunction with shown in Figure 3, described lever 5 is provided with side plate 51 by Fig. 2, and described side plate 51 is corresponding with connecting axle 10.During under-voltage or overvoltage, dropout driver 3 electricly make iron core 4 promote levers 5 to rotate, the side plate 51 on the lever 5 can promote connecting axle 10 and slide along deep-slotted chip breaker 2, makes snap close and tripping disengaging in the miniature circuit breaker; Press the button 6, lever 5 resets earlier, and the snap close in the miniature circuit breaker resets then, enters normal condition.
Claims (2)
1. one kind has under-voltage, the miniature circuit breaker of over-voltage protecting function, comprise protector housing (1), described protector housing (1) can be assembled on the miniature circuit breaker housing, the outer wall that protector housing (1) is gone up with the miniature circuit breaker housing pastes mutually is provided with deep-slotted chip breaker (2), be provided with connecting axle (10) in the deep-slotted chip breaker (2), one end of connecting axle (10) links to each other with the snap close in the miniature circuit breaker, the other end of connecting axle (10) extend in the protector housing (1), be provided with dropout driver (3) in the protector housing (1), the spring that is provided with iron core (4) in the dropout driver (3) and iron core (4) is resetted, the external part of iron core (4) is provided with cannelure (13), dropout driver (3) is with under-voltage, overvoltage control circuit board (11) is electrically connected, it is characterized in that: be hinged with lever (5) in the protector housing (1), be provided with the termination in the protector housing (1) and expose outside button (6), lever (5) is gone up an end corresponding with button (6) and is provided with fixture block (7) and slot (9), described slot (9) blocks mutually with cannelure (13) on the iron core (4), button (6) is provided with draw-in groove (8), described fixture block (7) is corresponding with draw-in groove (8) and can snap in the described draw-in groove (8), is provided with the spring (12) that button (6) is upspring in the button (6); Lever (5) is corresponding with connecting axle (10).
2. a kind of miniature circuit breaker under-voltage, over-voltage protecting function that has according to claim 1, it is characterized in that: described lever (5) is provided with side plate (51), and described side plate (51) is corresponding with connecting axle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201243498U CN201975350U (en) | 2011-04-25 | 2011-04-25 | Small-sized circuit breaker with function of undervoltage and overvoltage protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201243498U CN201975350U (en) | 2011-04-25 | 2011-04-25 | Small-sized circuit breaker with function of undervoltage and overvoltage protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975350U true CN201975350U (en) | 2011-09-14 |
Family
ID=44580449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201243498U Expired - Fee Related CN201975350U (en) | 2011-04-25 | 2011-04-25 | Small-sized circuit breaker with function of undervoltage and overvoltage protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201975350U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637559A (en) * | 2012-04-01 | 2012-08-15 | 浙江天正电气股份有限公司 | Overvoltage and undervoltage tripper of small-sized breaker |
| CN104241041A (en) * | 2013-06-11 | 2014-12-24 | 松下电器产业株式会社 | Breaker |
| CN104241047A (en) * | 2013-06-11 | 2014-12-24 | 松下电器产业株式会社 | Electromagnetic tripping device and breaker |
| CN104241048A (en) * | 2013-06-11 | 2014-12-24 | 松下电器产业株式会社 | Electromagnetic tripping device and breaker |
| WO2019080760A1 (en) * | 2017-10-26 | 2019-05-02 | 上海良信电器股份有限公司 | Locking device for circuit breaker operation device |
-
2011
- 2011-04-25 CN CN2011201243498U patent/CN201975350U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637559A (en) * | 2012-04-01 | 2012-08-15 | 浙江天正电气股份有限公司 | Overvoltage and undervoltage tripper of small-sized breaker |
| CN104241041A (en) * | 2013-06-11 | 2014-12-24 | 松下电器产业株式会社 | Breaker |
| CN104241047A (en) * | 2013-06-11 | 2014-12-24 | 松下电器产业株式会社 | Electromagnetic tripping device and breaker |
| CN104241048A (en) * | 2013-06-11 | 2014-12-24 | 松下电器产业株式会社 | Electromagnetic tripping device and breaker |
| CN104241041B (en) * | 2013-06-11 | 2016-08-24 | 松下知识产权经营株式会社 | Chopper |
| CN104241047B (en) * | 2013-06-11 | 2016-09-21 | 松下知识产权经营株式会社 | Electromagnetic tripping apparatus and chopper |
| CN104241048B (en) * | 2013-06-11 | 2017-04-26 | 松下知识产权经营株式会社 | Electromagnetic tripping device and breaker |
| WO2019080760A1 (en) * | 2017-10-26 | 2019-05-02 | 上海良信电器股份有限公司 | Locking device for circuit breaker operation device |
| US10991521B2 (en) | 2017-10-26 | 2021-04-27 | Shanghai Liangxin Electrical Co., Ltd | Locking device for circuit breaker operation 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: 20110914 Termination date: 20160425 |