CN202434448U - Small-volume 1P+N electric-leakage circuit breaker - Google Patents
Small-volume 1P+N electric-leakage circuit breaker Download PDFInfo
- Publication number
- CN202434448U CN202434448U CN2012200039760U CN201220003976U CN202434448U CN 202434448 U CN202434448 U CN 202434448U CN 2012200039760 U CN2012200039760 U CN 2012200039760U CN 201220003976 U CN201220003976 U CN 201220003976U CN 202434448 U CN202434448 U CN 202434448U
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- iron core
- utmost point
- leakage
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- electric
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Abstract
The utility model discloses a small-volume 1P+N electric-leakage circuit breaker. The small-volume 1P+N electric-leakage circuit breaker comprises a shell, an operating mechanism, a short-circuit/electric-leakage trip, an electronic circuit board and an arc-extinguishing cover, wherein the short-circuit/electric-leakage trip is formed by combination of a short-circuit trip and an electric-leakage protection trip which share a pushing rod, a movable iron core, an iron core spring, a fixed iron core and a coil shell. The small-volume 1P+N electric-leakage circuit breaker disclosed by the utility model has the advantages that a mechanism is simple, the action is reliable and flexible, the performance is stable, and the breaking capacity is high and can be up to 6KA; and the volume is small, the width is only 18mm, the occupied space for installation is relatvley small, and the cost is saved.
Description
Technical field
The utility model relates to a kind of RCCB, particularly a kind of 1P+N RCCB that integrates the small size of overload protection, short-circuit protection and earth leakage protective.
Background technology
The present similar 1P+N RCCB product bodily form is bigger, and the little 1P+N RCCB quality instability of market upper volume, breaking capacity is less than 4.5KA.
The utility model content
The utility model technical problem to be solved is to provide a kind of volume little, the stay-in-grade 1P+N RCCB that integrates the small size of overload protection, short-circuit protection and earth leakage protective.
In order to solve above technical problem; The utility model provides a kind of 1P+N RCCB of small size; Comprise shell, operating mechanism, short circuit/leakage tripping device, electronic circuit board and arc-extinguish chamber; Described short circuit/leakage tripping device is to be combined by short-circuit release and earth leakage protective release, short-circuit release and the shared yoke of earth leakage protective release, push rod, moving iron core, iron core spring, static iron core and iron core sleeve.The short circuit dropout protector that short-circuit release is made up of short circuit tripping coil, push rod, moving iron core, iron core spring, static iron core, iron core sleeve and yoke.Leakage tripping device is made up of electric leakage tripping coil, push rod, moving iron core, iron core spring, static iron core, iron core sleeve, coil rack and yoke, under electronic circuit board and magnet ring acting in conjunction, forms a leakage protection system.
Described operating mechanism, its handle is connected with an end of handle and connecting rod, and the other end of handle and connecting rod links to each other with tripping, is enclosed within on the lever with the snap close that tripping is locked mutually, and N utmost point moving contact and L utmost point moving contact are housed on the lever, and the other end and the back-moving spring of lever join.
Described arc-extinguish chamber is made up of L utmost point arc-extinguish chamber and N utmost point arc-extinguish chamber.
The superior effect of the utility model is:
1) volume is little has only 18mm wide, compact conformation, and it is little to take up room, and reduces distribution box and takes up room, and practices thrift cost;
2) tripping of the utility model and snap close adopt high strength, high temperature resistant, synthetic plastic that anti-wear performance is good, can avoid the snap close distortion, prolong the stability and the life-span of tripping mechanism performance;
3) short circuit of the utility model RCCB, leakage tripping device are simple in structure, and disjunction reliable in action, breaking capacity Gao Keda 6KA are threaded off flexibly in stable performance;
4) arc-extinguish chamber has improved the arc extinguishing function of product through optimal design, has improved breaking capacity;
5) the utility model is applicable to and exchanges 50Hz-60Hz, in the single-phase dwelling house circuit of rated voltage 230V, as the usefulness of earth leakage protective, and overload and the short circuit of civil electrical circuit is protected, and product has the little breaking capacity height of volume.
Description of drawings
Fig. 1 is the Facad structure sketch map of the utility model;
Fig. 2 is the rearview of Fig. 1;
Fig. 3 is the structural representation of operating mechanism;
Fig. 4 is the utility model short circuit, leakage tripping device sketch map;
Fig. 5 is the earth leakage protective operation principle sketch map of the utility model;
Fig. 6 is the L utmost point/N utmost point arc-extinguish chamber sketch map;
Label declaration among the figure
1-shell; 2-electronic circuit board;
3-handle; 4-handle and connecting rod;
5-tripping; 6-snap close;
7-lever; 8-back-moving spring;
9-L utmost point moving contact; 10-L utmost point fixed contact;
11-dropout pull bar; 12-bimetal leaf;
13-push rod; 14-short circuit/leakage tripping device;
15-L utmost point arc-extinguish chamber; 16-magnet ring;
17-indication piece; 18-touch spring;
19-N utmost point moving contact; 20-N utmost point fixed contact;
21-N utmost point arc-extinguish chamber; 22-test button;
23-yoke; 24-short circuit tripping coil;
25-electric leakage tripping coil; 26-iron core spring;
27-moving iron core; 28-static iron core;
29-iron core sleeve; 30-coil rack.
Embodiment
See also shown in the accompanying drawing, the utility model is done further to describe.
Like Fig. 1, Fig. 2 and shown in Figure 4; The utility model provides a kind of 1P+N RCCB of small size; Comprise shell 1, operating mechanism, short circuit/leakage tripping device 14, electronic circuit board 2 and arc-extinguish chamber; Described short circuit/leakage tripping device 14 is to be combined by short-circuit release and earth leakage protective release; The shared yoke of short-circuit release and earth leakage protective release 23, push rod 13, moving iron core 27, iron core spring 26, static iron core 28 and iron core sleeve 29, the short circuit dropout protector that short-circuit release is made up of short circuit tripping coil 24, push rod 13, moving iron core 27, iron core spring 26, static iron core 28, iron core sleeve 29 and yoke 23.Leakage tripping device is made up of electric leakage tripping coil 25, push rod 13, moving iron core 27, iron core spring 26, static iron core 28, iron core sleeve 29, coil rack 30 and yoke 23; Under electronic circuit board 2 and magnet ring 16 actings in conjunction, form a leakage protection system, short circuit tripping coil 24 is packed in the electric leakage tripping coil 25.Electric leakage tripping coil 25 is issued to earth leakage protective in electronic circuit board 2 and magnet ring 16 effects, when leakage current flows through magnet ring 16; Magnet ring 16 can produce a weak voltage, and this voltage signal flows to electronic circuit board 2, through after the signal processing of electronic circuit board 2; There is electric current to be passed to electric leakage tripping coil 25, produces a moving iron core 27 of magnetic field pulling in the coil, thereby promote push rod 13; Push rod 13 promotes snap close 6, and drive snap close 6 separates with tripping 5, makes lever 7 lose dynamic balance; Quick rotation under back-moving spring 8 effects, thus moving contact is separated with fixed contact fast, reach the earth leakage protective effect.When circuit was short-circuited, short circuit tripping coil 24 can produce a powerful magnetic field, the moving iron core 27 of pulling; Thereby promote push rod 13, promote snap close 6 and separate with tripping 5, lever 7 is quick rotation under the effect of back-moving spring 8; Thereby L utmost point moving contact 9 is separated fast with L utmost point fixed contact 10; Because N utmost point moving contact 19 coexists on the lever 7, thus N utmost point moving contact 19 also together separate fast with N utmost point fixed contact 20, thereby reach the short-circuit protection effect.
Described operating mechanism; Its handle 3 is connected with an end of handle and connecting rod 4, and the other end of handle and connecting rod 4 links to each other with tripping 5, is enclosed within on the lever 7 with the snap close 6 that tripping 5 is locked mutually; N utmost point moving contact 19 and L utmost point moving contact 9 are housed on the lever 7, and the other end of lever 7 and back-moving spring 8 join.As shown in Figure 3, the operation principle of the utility model RCCB operating mechanism from the initial condition to the closing course is described, upwards operation of handle 3; Drive handle hand lever 4 and rotate, handle and connecting rod 4 links to each other with tripping 5, because the impetus of handle and connecting rod 4; Tripping 5 interlocks with snap close 6; Tripping 5 drives lever 7 with snap close 6 and rotates, N utmost point moving contact 19 and N utmost point fixed contact 20 closures on the lever 7, L utmost point moving contact 9 and L utmost point fixed contact 10 closures then; Indication piece 17 forwards redness to by green, and RCCB just gets into "on" position.
As shown in Figure 6, described arc-extinguish chamber is made up of L utmost point arc-extinguish chamber 15 and N utmost point arc-extinguish chamber 21.
As shown in Figure 5ly come analog leakance test:, press test button 22 and be equivalent to produce a simulation electric leakage, when leakage current flows through magnet ring 16 when the utility model RCCB is in "on" position; Magnet ring 16 can produce the signal of telecommunication and give electronic circuit board 2, and through the processing of electronic circuit board 2, electronic circuit board 2 output currents are given electric leakage tripping coil 25; Electric leakage tripping coil 25 will produce magnetic field, the moving iron core 27 of pulling, thus promote push rod 13; Push rod 13 promotes snap close 5 again to be separated with tripping 6, and lever 7 is quick rotation under the effect of back-moving spring 8, thereby L utmost point moving contact 9 is separated with L utmost point fixed contact 10 fast; N utmost point moving contact 19 separates with N utmost point fixed contact 20 fast; Handle 3 is returned to initial condition, and simultaneously indication piece 17 forwards green to by redness, and push rod 13 is returned to initial condition under 26 effects of iron core spring; RCCB is outage just, reaches earth leakage protective effect.
The utility model integrates overload protection, short-circuit protection and earth leakage protective, below specifies:
1) overload protection:
At when operation energising, running current in the L polar circuit, when this electric current during greater than rated current; Can make the crooked pulling of bimetal leaf 12 heatings dropout pull bar 11, dropout pull bar 11 drives snap close 6 to be separated with tripping 5, and lever 7 loses equilibrium of forces; In back-moving spring 8 quick rotation under effect; Thereby L utmost point moving contact 9 is separated with L utmost point fixed contact 10 fast, and on the lever 7, N utmost point moving contact 19 also together separates with N utmost point fixed contact 20 fast because N utmost point moving contact 19 coexists; Handle 3 is returned to initial condition, and state indication piece 17 forwards green to by redness.
2) short-circuit protection:
When circuit produced short circuit, short circuit tripping coil 24 can produce a powerful magnetic field, the moving iron core 27 of pulling; Thereby promote push rod 13, push rod 13 promotes snap close 6 to be separated with tripping 5, and lever 7 loses equilibrium of forces; Quick rotation under the effect of back-moving spring 8; Thereby L utmost point moving contact 9 is separated fast, with L utmost point fixed contact 10 because N utmost point moving contact 19 coexists on the lever 7, so N utmost point moving contact 19 also together separates with N utmost point fixed contact 20 fast; Handle 3 is returned to initial condition, and state indication piece 17 forwards green to by redness.
3) earth leakage protective:
When the L utmost point or the N utmost point had leakage current, leakage current flow through magnet ring 16, and magnet ring 16 can produce the signals of telecommunication and give electronic circuit board 2, handled through electronic circuit board 2; Output current is given electric leakage tripping coil 25, electric leakage tripping coil 25 generation magnetic fields, the moving iron core 27 of pulling; Thereby promote push rod 13, push rod 13 promotes snap close 6 to be separated with tripping 5, and lever 7 loses equilibrium of forces; Quick rotation under the effect of back-moving spring 8, thus L utmost point moving contact 9 is separated with L utmost point fixed contact 10 fast, because N utmost point moving contact 19 coexists on the lever 7; So N utmost point moving contact 19 also together separates with N utmost point fixed contact 20 fast, handle 3 is returned to initial condition, and state indication piece 17 forwards green to by redness.
Claims (3)
1. the 1P+N RCCB of a small size; Comprise shell, operating mechanism, short circuit/leakage tripping device, electronic circuit board and arc-extinguish chamber; It is characterized in that: described short circuit/leakage tripping device is to be combined by short-circuit release and earth leakage protective release, short-circuit release and the shared yoke of earth leakage protective release, push rod, moving iron core, iron core spring, static iron core and iron core sleeve; The short circuit tripping coil is packed in the electric leakage tripping coil.
2. the 1P+N RCCB of small size according to claim 1; It is characterized in that: described operating mechanism; Its handle is connected with an end of handle and connecting rod, and the other end of handle and connecting rod links to each other with tripping, is enclosed within on the lever with the snap close that tripping is locked mutually; N utmost point moving contact and L utmost point moving contact are housed on the lever, and the other end and the back-moving spring of lever join.
3. the 1P+N RCCB of small size according to claim 1, it is characterized in that: described arc-extinguish chamber is made up of L utmost point arc-extinguish chamber and N utmost point arc-extinguish chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200039760U CN202434448U (en) | 2012-01-06 | 2012-01-06 | Small-volume 1P+N electric-leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200039760U CN202434448U (en) | 2012-01-06 | 2012-01-06 | Small-volume 1P+N electric-leakage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202434448U true CN202434448U (en) | 2012-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200039760U Expired - Fee Related CN202434448U (en) | 2012-01-06 | 2012-01-06 | Small-volume 1P+N electric-leakage circuit breaker |
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| CN (1) | CN202434448U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646828A (en) * | 2013-12-26 | 2014-03-19 | 二一三电器(上海)有限公司 | Operating mechanism of miniature circuit breaker and working process thereof |
| CN106024540A (en) * | 2016-07-20 | 2016-10-12 | 浙江美格尔电气科技有限公司 | Overload current leakage protector |
| CN106373836A (en) * | 2016-11-16 | 2017-02-01 | 中欧电气有限公司 | Protection mechanism and circuit breaker thereof |
| CN106449314A (en) * | 2016-09-20 | 2017-02-22 | 加西亚电子电器股份有限公司 | Residual-current circuit breaker |
| CN106971923A (en) * | 2017-04-28 | 2017-07-21 | 首瑞（天津）电气设备有限公司 | A kind of breaker controlled by information |
| CN108054061A (en) * | 2018-01-18 | 2018-05-18 | 温州奥来电器有限公司 | A kind of electric leakage mechanism of leakage circuit breakers |
| CN108281329A (en) * | 2018-03-28 | 2018-07-13 | 温州华嘉电器有限公司 | A kind of miniature circuit breaker that electric terminal uses |
| CN108400067A (en) * | 2018-04-11 | 2018-08-14 | 首瑞（天津）电气设备有限公司 | Remote control of circuit breaker |
| CN108493074A (en) * | 2018-05-25 | 2018-09-04 | 温州华嘉电器有限公司 | A kind of earth leakage circuit breaker |
| CN108899259A (en) * | 2018-05-28 | 2018-11-27 | 上海诺雅克电气有限公司 | Earth leakage circuit breaker |
| CN114388316A (en) * | 2021-12-24 | 2022-04-22 | 上海京硅智能技术有限公司 | Circuit breaker contact system |
| WO2022205757A1 (en) * | 2021-03-31 | 2022-10-06 | 英特曼电工（常州）有限公司 | Operating mechanism of 2p2 modulus electromagnetic residual current circuit breaker with overcurrent protection |
| CN116705567A (en) * | 2023-08-07 | 2023-09-05 | 森萨塔科技（常州）有限公司 | Leakage protection device and electrical equipment |
-
2012
- 2012-01-06 CN CN2012200039760U patent/CN202434448U/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646828B (en) * | 2013-12-26 | 2015-12-30 | 二一三电器(上海)有限公司 | The operating mechanism of miniature circuit breaker and the course of work thereof |
| CN103646828A (en) * | 2013-12-26 | 2014-03-19 | 二一三电器(上海)有限公司 | Operating mechanism of miniature circuit breaker and working process thereof |
| CN106024540A (en) * | 2016-07-20 | 2016-10-12 | 浙江美格尔电气科技有限公司 | Overload current leakage protector |
| CN106449314A (en) * | 2016-09-20 | 2017-02-22 | 加西亚电子电器股份有限公司 | Residual-current circuit breaker |
| CN106373836B (en) * | 2016-11-16 | 2018-07-06 | 中欧电气有限公司 | A kind of protection mechanism and with its breaker |
| CN106373836A (en) * | 2016-11-16 | 2017-02-01 | 中欧电气有限公司 | Protection mechanism and circuit breaker thereof |
| CN106971923A (en) * | 2017-04-28 | 2017-07-21 | 首瑞（天津）电气设备有限公司 | A kind of breaker controlled by information |
| CN108054061A (en) * | 2018-01-18 | 2018-05-18 | 温州奥来电器有限公司 | A kind of electric leakage mechanism of leakage circuit breakers |
| CN108054061B (en) * | 2018-01-18 | 2023-11-24 | 温州奥来电器有限公司 | Leakage mechanism of leakage circuit breaker |
| CN108281329A (en) * | 2018-03-28 | 2018-07-13 | 温州华嘉电器有限公司 | A kind of miniature circuit breaker that electric terminal uses |
| CN108281329B (en) * | 2018-03-28 | 2024-04-05 | 温州华嘉电器有限公司 | Miniature circuit breaker for electrical terminal |
| CN108400067A (en) * | 2018-04-11 | 2018-08-14 | 首瑞（天津）电气设备有限公司 | Remote control of circuit breaker |
| CN108400067B (en) * | 2018-04-11 | 2024-01-16 | 首瑞（天津）电气设备有限公司 | Remote control circuit breaker |
| CN108493074A (en) * | 2018-05-25 | 2018-09-04 | 温州华嘉电器有限公司 | A kind of earth leakage circuit breaker |
| CN108899259A (en) * | 2018-05-28 | 2018-11-27 | 上海诺雅克电气有限公司 | Earth leakage circuit breaker |
| WO2022205757A1 (en) * | 2021-03-31 | 2022-10-06 | 英特曼电工（常州）有限公司 | Operating mechanism of 2p2 modulus electromagnetic residual current circuit breaker with overcurrent protection |
| CN114388316A (en) * | 2021-12-24 | 2022-04-22 | 上海京硅智能技术有限公司 | Circuit breaker contact system |
| CN114388316B (en) * | 2021-12-24 | 2024-03-12 | 上海京硅智能技术有限公司 | Circuit breaker contact system |
| CN116705567A (en) * | 2023-08-07 | 2023-09-05 | 森萨塔科技（常州）有限公司 | Leakage protection device and electrical equipment |
| CN116705567B (en) * | 2023-08-07 | 2023-10-24 | 森萨塔科技（常州）有限公司 | Leakage protection device and electrical equipment |
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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: 20120912 Termination date: 20170106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |