CN101996827A - Leakage protection circuit breaker with arc extinguishing chamber at both poles - Google Patents
Leakage protection circuit breaker with arc extinguishing chamber at both poles Download PDFInfo
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- CN101996827A CN101996827A CN 200910115829 CN200910115829A CN101996827A CN 101996827 A CN101996827 A CN 101996827A CN 200910115829 CN200910115829 CN 200910115829 CN 200910115829 A CN200910115829 A CN 200910115829A CN 101996827 A CN101996827 A CN 101996827A
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- arc
- extinguish chamber
- circuit breaker
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- metal clips
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Abstract
The invention discloses a leakage protection circuit breaker with an arc extinguishing chamber at both poles, which comprises a coil and a zero sequence transformer, wherein the zero sequence transformer is positioned at one end of the coil; a cavity is formed between a fixed contact and a run-on tab below the coil; the arc extinguishing chamber in fit with the cavity is arranged in the cavity, and consists of a plurality of grating clamping plates and lateral clamping plates arranged at the two ends of each clamping plate; the grating clamping plates are longitudinally arranged at intervals; the arc extinguishing chamber has a connected L shape or an L shape consisting of split rectangles; the L-shaped arc extinguishing chamber is divided into two parts which are positioned above an L pole face and below an N pole face respectively; and the L pole face has a volume larger than that of the N pole face. The leakage protection circuit breaker has the advantages that: the volume of the arc extinguishing chamber is many times that of the conventional arc extinguishing chamber, and simultaneously performs arc extinguishing on zero lines.
Description
Technical field
The present invention relates to a kind of short-circuiting device, particularly a kind ofly be with earth leakage protective circuit breaker.
Background technology
Because the volume of circuit breaker is little, particularly the volume of Subminature multifunctional residual current circuit breaker is littler, has only a modulus, be that width is 18mm, it is very difficult will designing more part in so little internal volume, the general design of the testing button of traditional circuit breaker is all very complicated, the very complicated pushbutton unit of design in so little space, just certainly will take more space, traditional arc-extinguish chamber all is to have only single layer structure, thinner, cause the arc-extinguish chamber volume all very little, because the arc quenching effect of arc-extinguish chamber is directly proportional with its volume.The effect of slow, the cold arc of the arc-extinguish chamber of smaller size smaller heat radiation, arc extinguishing is bad.And people always can not walk the vicious circle of a complicated button of design when design in the past, all were along this habitual thinking.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of bipolar circuit breaker of all being furnished with arc-extinguish chamber with creepage protection function.
To achieve these goals, the technical solution used in the present invention is:
A kind of bipolar circuit breaker of all being furnished with arc-extinguish chamber with creepage protection function, comprise coil, zero-sequence transformer, zero-sequence transformer is positioned at an end of coil, form a cavity between fixed contact below the coil and the run-on tab, be provided with the arc-extinguish chamber that cooperates with cavity in the cavity, arc-extinguish chamber is by some grid card plate and be installed on card plate side faces at both ends card plate and constitute, described grid card plate is according to the longitudinal subdivision setting, arc-extinguish chamber is the L shaped shape that L shaped shape of disjunctor or split rectangle are formed, L shaped arc-extinguish chamber is divided on the L pole-face, two parts under the N pole-face, L pole-face volume is greater than N pole-face volume;
The back side of arc-extinguish chamber also is provided with the little arc control device of a sealing, and the arc-extinguish chamber of promising N utmost point arc extinguishing is set in the arc control device.
Also be provided with button, handle in this circuit breaker, the bottom of button withstands on the metal clips upper surface, metal clips is a bending, the metal clips bottom is fixed on the circuit breaker, the other end of metal clips can be touched mutually with conductive pole, conductive pole is electrically connected with first lead, metal clips is electrically connected with second lead, and the first lead other end is electrically connected with short-circuit detecting coil 5, and second lead is electrically connected with leak(age) test resistance.
Metal clips is a copper product.
Described metal clips is a U-shaped.
Handle is connected in the tripping by the U-shaped connecting rod, tripping is fixed on the bearing, there is spring on the one end top of bearing, and moving contact is stuck in by torsion spring on the bearing of tripping, and moving contact is connected on the zero-sequence transformer, zero-sequence transformer links to each other with thermal element, simultaneously, thermal element is connected on the run-on tab, and snap close is movably connected on the bearing of tripping by torsion spring, the lower end of snap close is connected with connecting rod, and the end of connecting rod is hooked on the thermal element.
Be connected with an indication piece in the tripping, two indicators are arranged on the indication piece.
There is spring on the one side top of thermal element bottom run-on tab.
The invention has the beneficial effects as follows: the arc-extinguish chamber volume is the several times of traditional arc-extinguish chamber volume, simultaneously, and also to the zero line arc extinguishing; Therefore, arc extinguishing of the present utility model, cold arc effect are very good.Simple in structure, cost is low, and volume is little, and is easy for installation, is particularly suitable for the installation of Subminature multifunctional residual current circuit breaker inside.
Description of drawings
Fig. 1, circuit breaker of the present invention remove the structural representation after the lid.
Fig. 2, circuit breaker of the present invention remove the structural representation after the drain pan.
The structure chart of Fig. 3, arc-extinguish chamber of the present invention.
Embodiment
The bipolar circuit breaker of all being furnished with arc-extinguish chamber with creepage protection function, comprise coil, zero-sequence transformer 28, zero-sequence transformer 28 is positioned at an end of coil, form a cavity between fixed contact 19 below the coil and the run-on tab 22, be provided with the arc-extinguish chamber 3 that cooperates with cavity in the cavity, arc-extinguish chamber 3 is by some grid card plate and be installed on card plate side faces at both ends card plate and constitute, described grid card plate is according to the longitudinal subdivision setting, arc-extinguish chamber is the L shaped shape that L shaped shape of disjunctor or split rectangle are formed, L shaped arc-extinguish chamber is divided on the L pole-face, two parts under the N pole-face, L pole-face volume is greater than N pole-face volume;
The back side of arc-extinguish chamber 3 also is provided with the little arc control device of a sealing, and the arc-extinguish chamber of promising N utmost point arc extinguishing is set in the arc control device.
Also be provided with button 11, handle 13 in this circuit breaker, the bottom of button 11 withstands on metal clips 10 upper surfaces, metal clips 10 is a bending, metal clips 10 bottoms are fixed on the circuit breaker, the other end of metal clips 10 can be touched mutually with conductive pole 2, conductive pole 2 is electrically connected with first lead 32, metal clips 10 is electrically connected with second lead 31, and first lead, 32 other ends are electrically connected with short-circuit detecting coil 5, and second lead 31 is electrically connected with leak(age) test resistance.
Described metal clips 10 is a U-shaped.
Operating process: driving handle 13, under the effect of torsion spring 12, button 11 are used for the test effect.Press button 11, button 11 compressing metal clipss 10 move downward, and the other end of metal clips 10 is touched mutually with conductive pole 2, thereby entire circuit is connected.After loosing one's grip, button 11 resets, and metal clips 10 also resets and flicks, and whole test circuit disconnects.In the time of driving handle 13, drive the indication piece motion in tripping 16 and the tripping 16 simultaneously, indication piece is provided with two indicators, and representative is opened and closed respectively, and there are spring 18,18 reset responses of spring in tripping 16 1 ends top.Tripping 16 is fixed on the bearing, moves with bearing.Snap close 17 links to each other with bearing, is connected with connecting rod 25 on the snap close 17 by torsion spring.Effect by with the transmission power of upper-part makes fixed contact 19 and moving contact 27 contact, and can produce electric arc in the moment of contact, by run-on tab 22 electric arc is introduced arc-extinguish chamber 3.Also comprise axle 30, strutting piece 29,34 coil braces in addition.
More than be a kind of detailed embodiment of the present invention, but mentality of designing of the present utility model is not limited thereto, all this thinkings of utilizing do not have substantial change to the utility model, all belong to the behavior of invading the utility model protection range.
Claims (8)
1. bipolar circuit breaker of all being furnished with arc-extinguish chamber with creepage protection function; comprise coil; zero-sequence transformer (28); it is characterized in that; zero-sequence transformer (28) is positioned at an end of coil; form a cavity between fixed contact below the coil (19) and the run-on tab (22); be provided with the arc-extinguish chamber (3) that cooperates with cavity in the cavity; arc-extinguish chamber (3) is by some grid card plate and be installed on card plate side faces at both ends card plate and constitute; described grid card plate is according to the longitudinal subdivision setting; arc-extinguish chamber is the L shaped shape that L shaped shape of disjunctor or split rectangle are formed, and L shaped arc-extinguish chamber is divided on the L pole-face; two parts under the N pole-face, L pole-face volume is greater than N pole-face volume.
2. a kind of bipolar circuit breaker of all being furnished with arc-extinguish chamber with creepage protection function according to claim 1 is characterized in that the back side of arc-extinguish chamber (3) also is provided with the little arc control device of a sealing, and the arc-extinguish chamber of promising N utmost point arc extinguishing is set in the arc control device.
3. a kind of bipolar circuit breaker of all being furnished with arc-extinguish chamber according to claim 1 and 2 with creepage protection function; it is characterized in that; also be provided with button (11) in this circuit breaker; handle (13); the bottom of button (11) withstands on metal clips (10) upper surface; metal clips (10) is a bending; metal clips (10) bottom is fixed on the circuit breaker; the other end of metal clips (10) can be touched mutually with conductive pole (2); conductive pole (2) is electrically connected with first lead (32); metal clips (10) is electrically connected with second lead (31); first lead (32) other end is electrically connected with short-circuit detecting coil (5), and second lead (31) is electrically connected with leak(age) test resistance.
4. a kind of bipolar circuit breaker of all being furnished with arc-extinguish chamber with creepage protection function according to claim 3 is characterized in that metal clips (10) is a copper product.
5. a kind of bipolar circuit breaker of all being furnished with arc-extinguish chamber with creepage protection function according to claim 4 is characterized in that described metal clips (10) is a U-shaped.
6. a kind of bipolar circuit breaker of all being furnished with arc-extinguish chamber according to claim 5 with creepage protection function; it is characterized in that; handle (13) is connected in the tripping (16) by the U-shaped connecting rod; tripping (16) is fixed on the bearing; there is spring (18) on the one end top of bearing; moving contact (27) is stuck on the bearing of tripping (16) by torsion spring; moving contact (27) is connected on the zero-sequence transformer (28); zero-sequence transformer (28) links to each other with thermal element; simultaneously; thermal element is connected on the run-on tab (22); snap close (17) is movably connected on the bearing of tripping (16) by torsion spring; the lower end of snap close (17) is connected with connecting rod (25), and the end of connecting rod (25) is hooked on the thermal element.
7. a kind of bipolar circuit breaker of all being furnished with arc-extinguish chamber with creepage protection function according to claim 6 is characterized in that, is connected with an indication piece in the tripping (16), and two indicators are arranged on the indication piece.
8. a kind of bipolar circuit breaker of all being furnished with arc-extinguish chamber with creepage protection function according to claim 7 is characterized in that, there is spring (20) on the side top of thermal element bottom run-on tab (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910115829 CN101996827B (en) | 2009-08-28 | 2009-08-28 | Leakage protection circuit breaker with arc extinguishing chamber at both poles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910115829 CN101996827B (en) | 2009-08-28 | 2009-08-28 | Leakage protection circuit breaker with arc extinguishing chamber at both poles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101996827A true CN101996827A (en) | 2011-03-30 |
| CN101996827B CN101996827B (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910115829 Expired - Fee Related CN101996827B (en) | 2009-08-28 | 2009-08-28 | Leakage protection circuit breaker with arc extinguishing chamber at both poles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101996827B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184813A (en) * | 2011-04-22 | 2011-09-14 | 温州奥来电器有限公司 | Double-arcing-shield circuit breaker |
| CN102760621A (en) * | 2012-03-23 | 2012-10-31 | 湖北盛佳电器设备有限公司 | Circuit breaker capable of improving breaking capacity |
| CN102903578A (en) * | 2011-07-29 | 2013-01-30 | 三信国际电器上海有限公司 | Long-range control wiring system of residual current circuit-breaker |
| CN103843101A (en) * | 2011-11-15 | 2014-06-04 | 富士电机机器制御株式会社 | Earth-leakage circuit breaker |
| CN104409292A (en) * | 2014-12-05 | 2015-03-11 | 温州力能电器科技有限公司 | Residual current circuit breaker |
| CN106571270A (en) * | 2015-10-09 | 2017-04-19 | 施耐德电气工业公司 | Electric leakage circuit breaker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB948759A (en) * | 1959-03-17 | 1964-02-05 | Whipp & Bourne Ltd | Improvements in or relating to arc shutes for electric circuit breakers |
| WO1987007427A1 (en) * | 1986-05-30 | 1987-12-03 | Mitsubishi Denki Kabushiki Kaisha | Switch |
| CN201084579Y (en) * | 2007-08-04 | 2008-07-09 | 漳州马可电器科技有限公司 | A breaker arc quenching cover structure with electric leakage protector |
| CN201490138U (en) * | 2009-08-28 | 2010-05-26 | 李文俊 | Arc-extinguisher of double-line circuit breaker with earth leakage protective function |
-
2009
- 2009-08-28 CN CN 200910115829 patent/CN101996827B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184813A (en) * | 2011-04-22 | 2011-09-14 | 温州奥来电器有限公司 | Double-arcing-shield circuit breaker |
| CN102903578A (en) * | 2011-07-29 | 2013-01-30 | 三信国际电器上海有限公司 | Long-range control wiring system of residual current circuit-breaker |
| CN102903578B (en) * | 2011-07-29 | 2016-10-26 | 三信国际电器上海有限公司 | RCCB remotely control wiring system |
| CN103843101A (en) * | 2011-11-15 | 2014-06-04 | 富士电机机器制御株式会社 | Earth-leakage circuit breaker |
| CN103843101B (en) * | 2011-11-15 | 2016-06-08 | 富士电机机器制御株式会社 | Residual current circuit breaker |
| CN102760621A (en) * | 2012-03-23 | 2012-10-31 | 湖北盛佳电器设备有限公司 | Circuit breaker capable of improving breaking capacity |
| CN102760621B (en) * | 2012-03-23 | 2016-06-08 | 湖北盛佳电器设备有限公司 | A kind of isolating switch that can improve breaking capacity |
| CN104409292A (en) * | 2014-12-05 | 2015-03-11 | 温州力能电器科技有限公司 | Residual current circuit breaker |
| CN106571270A (en) * | 2015-10-09 | 2017-04-19 | 施耐德电气工业公司 | Electric leakage circuit breaker |
| CN106571270B (en) * | 2015-10-09 | 2019-04-19 | 施耐德电气工业公司 | Leakage circuit breakers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101996827B (en) | 2013-04-03 |
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Granted publication date: 20130403 Termination date: 20150828 |
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| EXPY | Termination of patent right or utility model |