CN202018931U - Miniature circuit breaker with under-voltage and over-voltage protection - Google Patents
Miniature circuit breaker with under-voltage and over-voltage protection Download PDFInfo
- Publication number
- CN202018931U CN202018931U CN2011200995948U CN201120099594U CN202018931U CN 202018931 U CN202018931 U CN 202018931U CN 2011200995948 U CN2011200995948 U CN 2011200995948U CN 201120099594 U CN201120099594 U CN 201120099594U CN 202018931 U CN202018931 U CN 202018931U
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- voltage
- lever
- circuit breaker
- miniature circuit
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- Expired - Fee Related
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Abstract
The utility model discloses a miniature circuit breaker with under-voltage and over-voltage protection. The miniature circuit breaker mainly solves the problems that the conventional miniature circuit breaker with the under-voltage and over-voltage protection is complicated in structure, inconvenient to assemble and easy to cause non-tripping or mal-operation when under-voltage or over-voltage occurs. The miniature circuit breaker with the under-voltage and over-voltage protection is characterized in that: a lever (5) is hinged in a protector shell (1); a button (6), of which an end head is exposed out, is arranged in the protector shell (1); one end of the lever (5) corresponds to an iron core (4); a clamping block (7) is arranged at the other end of the lever (5); a clamping groove (8) is formed on the button (6); the clamping block (7) corresponds to the clamping groove (8) and can be clamped into the clamping groove (8); a torsion spring (9) which makes the lever (5) and the button (6) tend to be clamped is arranged on a hinged shaft of the lever (5); a spring (12) which makes the button (6) sprung is arranged in the button (6); and the lever (5) corresponds to a connection shaft (10). The miniature circuit breaker with the under-voltage and over-voltage protection has the characteristics of simple structure, low cost, safety, 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 with miniature circuit breaker under-voltage, overvoltage protection.
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; it is a kind of with miniature circuit breaker under-voltage, overvoltage protection that the utility model provides, and this has characteristics simple in structure, that cost is low, safe and reliable and easy to assembly with miniature circuit breaker under-voltage, overvoltage protection.
The technical solution of the utility model is: this is with under-voltage, the miniature circuit breaker of overvoltage protection 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, be provided with iron core in the dropout driver, 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, one end of lever is corresponding with iron core, the other end of lever is provided with fixture block, and button is provided with draw-in groove, and described fixture block is corresponding with draw-in groove and can snap in the described draw-in groove, the jointed shaft of lever is provided with and makes lever block the torsion spring of trend mutually with button, 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, lever blocks mutually with button under the effect of torsion spring, and 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-torsion spring, the 10-connecting axle, 11-is under-voltage, the overvoltage control circuit board, the 12-spring.
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; this is with under-voltage; the miniature circuit breaker of overvoltage protection 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; be provided with iron core 4 in the dropout driver 3; 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, one end of lever 5 is corresponding with iron core 4, the other end of lever 5 is provided with fixture block 7, 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, and the jointed shaft of lever 5 is provided with and makes lever 5 and button 6 block the torsion spring 9 of trend mutually, is 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, lever 6 blocks mutually with button 6 under the effect of torsion spring 9, and 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.
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. be with under-voltage for one kind, the miniature circuit breaker of overvoltage protection, 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), be provided with iron core (4) in the dropout driver (3), 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), one end of lever (5) is corresponding with iron core (4), the other end of lever (5) is provided with fixture block (7), 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), the jointed shaft of lever (5) is provided with and makes lever (5) and button (6) block the torsion spring (9) of trend mutually, is provided with the spring (12) that button (6) is upspring in the button (6); Lever (5) is corresponding with connecting axle (10).
2. according to claim 1 with miniature circuit breaker under-voltage, overvoltage protection, 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 |
|---|---|---|---|
| CN2011200995948U CN202018931U (en) | 2011-04-07 | 2011-04-07 | Miniature circuit breaker with under-voltage and over-voltage protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200995948U CN202018931U (en) | 2011-04-07 | 2011-04-07 | Miniature circuit breaker with under-voltage and over-voltage protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202018931U true CN202018931U (en) | 2011-10-26 |
Family
ID=44812599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200995948U Expired - Fee Related CN202018931U (en) | 2011-04-07 | 2011-04-07 | Miniature circuit breaker with under-voltage and over-voltage protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202018931U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746300A (en) * | 2013-12-31 | 2014-04-23 | 陈国贵 | Combined type breaker |
| CN104124115A (en) * | 2014-08-09 | 2014-10-29 | 无锡智卓电气有限公司 | Circuit breaker electric operating mechanism with instant tripping device |
| CN105702537A (en) * | 2016-04-14 | 2016-06-22 | 乐清市智顺电气有限公司 | Electric protective device |
| CN107833804A (en) * | 2017-10-26 | 2018-03-23 | 上海良信电器股份有限公司 | A kind of locking device of breaker operating device |
| CN107833799A (en) * | 2017-10-26 | 2018-03-23 | 上海良信电器股份有限公司 | A kind of fixation of plug in circuit breaker and unlocking mechanism |
-
2011
- 2011-04-07 CN CN2011200995948U patent/CN202018931U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746300A (en) * | 2013-12-31 | 2014-04-23 | 陈国贵 | Combined type breaker |
| CN103746300B (en) * | 2013-12-31 | 2016-08-24 | 陈国贵 | Combined breaker |
| CN104124115A (en) * | 2014-08-09 | 2014-10-29 | 无锡智卓电气有限公司 | Circuit breaker electric operating mechanism with instant tripping device |
| CN105702537A (en) * | 2016-04-14 | 2016-06-22 | 乐清市智顺电气有限公司 | Electric protective device |
| CN105702537B (en) * | 2016-04-14 | 2017-12-01 | 乐清市智顺电气有限公司 | Electric protective device |
| CN107833804A (en) * | 2017-10-26 | 2018-03-23 | 上海良信电器股份有限公司 | A kind of locking device of breaker operating device |
| CN107833799A (en) * | 2017-10-26 | 2018-03-23 | 上海良信电器股份有限公司 | A kind of fixation of plug in circuit breaker and unlocking mechanism |
| 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 |
| CN107833804B (en) * | 2017-10-26 | 2019-08-20 | 上海良信电器股份有限公司 | A kind of locking device of breaker operating device |
| US10991521B2 (en) * | 2017-10-26 | 2021-04-27 | Shanghai Liangxin Electrical Co., Ltd | Locking device for circuit breaker operation device |
| AU2018357310B2 (en) * | 2017-10-26 | 2021-05-06 | 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111026 Termination date: 20160407 |