CN102142339B - Miniature circuit breaker with current leakage protector - Google Patents
Miniature circuit breaker with current leakage protector Download PDFInfo
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- CN102142339B CN102142339B CN 201110050352 CN201110050352A CN102142339B CN 102142339 B CN102142339 B CN 102142339B CN 201110050352 CN201110050352 CN 201110050352 CN 201110050352 A CN201110050352 A CN 201110050352A CN 102142339 B CN102142339 B CN 102142339B
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- circuit breaker
- protective device
- earth leakage
- leakage protective
- shell
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Abstract
The invention provides a miniature circuit breaker with a current leakage protector, which mainly solves the problem that the traditional miniature circuit breaker with the function of current leakage protection cannot be separated, and is characterized in that: a steel wire (9) is arranged in a short circuit driver (5) in a penetrating manner, and is connected with a cover plate (10) of a wiring terminal; a shell of the circuit breaker is connected with a shell of the current leakage protector in a clamping manner; an abutment lead wire (14) stretches out of the shell of the current leakage protector, and corresponds to an output terminal (17) of the circuit breaker; and an iron core (18) in a current leakage driver (12) corresponds to the cover plate (10) of the wiring terminal. The miniature circuit breaker with the current leakage protector can be separated, and is flexible and convenient.
Description
Technical field
The present invention relates to a kind of miniature circuit breaker, belong to a kind of miniature circuit breaker with earth leakage protective device.
Background technology
Miniature circuit breaker refers to exchange 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 the places such as industry, business, high level and residential houses.Miniature circuit breaker commonly used has overload and short-circuit protection function and there is no creepage protection function; because the space in the miniature circuit breaker housing is less; be difficult to reach Application standard as add earth leakage protective functional unit in housing; described functional unit refers to zero-sequence transformer, signal amplifying circuit board, coil, iron core etc., tripping force often can occur not enough and cause the short circuit phenomenon of not threading off.Chinese patent ZL99206121.0 discloses the two-wire circuit breaker that a kind of width is 18mm; this patent has been added an electric leakage dropout driver in housing; one side of housing lengthens; enlarged shell space; lay the coil of electric leakage dropout driver in the space of expanding, increased creepage protection function.Although this patent has solved the space requirement of common miniature circuit breaker; but its housing is overall structure, and earth leakage protective functional unit can not be pulled down, when the occasion that does not need short-circuit protection and other common miniature circuit breakers are used in conjunction with; seeming, volume is a bit huge, is not easy to install.
Summary of the invention
In order to overcome the deficiency of background technology, the invention provides a kind of miniature circuit breaker with earth leakage protective device, this miniature circuit breaker with earth leakage protective device has mainly solved the existing problem that can not split with the miniature circuit breaker of creepage protection function.
Technical scheme of the present invention is: a kind of miniature circuit breaker with earth leakage protective device comprises Shell of circuit breaker, Shell of circuit breaker is comprised of circuit breaker shell block and circuit breaker cover plate, tripping, snap close and short circuit driver are installed in the circuit breaker shell block, described short circuit driver comprises coil and bobbin, be provided with the copper sheathing with central through hole in bobbin, be used to be installed with steel wire in described copper sheathing, one end of described steel wire is corresponding with snap close, the other end of steel wire is connected with the binding post cover plate of freely activity, and the Shell of circuit breaker that the binding post cover plate is corresponding is provided with through hole; Described Shell of circuit breaker clamping earth leakage protective device housing; zero-sequence transformer, electric leakage driver and control circuit board are installed in described earth leakage protective device housing; be used to be installed with docking wire and loop electric-conductor in zero-sequence transformer; docking wire and loop electric-conductor are electrically connected to 2 output end binding posts respectively; it is outer and corresponding with the circuit breaker lead-out terminal that the other end of docking wire stretches out the earth leakage protective device housing, and the iron core in the electric leakage driver is corresponding with the binding post cover plate.
Described circuit breaker shell block is provided with installing card and copper spare is installed, and the earth leakage protective device housing is provided with the Chang'an that can dock with installing card and is installed.
Described earth leakage protective device housing is comprised of earth leakage protective device base and earth leakage protective device cover plate, earth leakage protective device base and the clamping of circuit breaker shell block phase.
On described earth leakage protective device base, junction block is installed, the input of described 2 output end binding posts and loop electric-conductor is located in described junction block.
The invention has the beneficial effects as follows: owing to taking such scheme; when needing electric leakage to protect; the earth leakage protective device housing is docked with Shell of circuit breaker; the docking wire inserts the output of circuit breaker; 2 output end binding post access electrical equipment in the earth leakage protective device housing; electromagnetic vector during electric leakage in zero-sequence transformer and be not equal to zero; zero-sequence transformer produces induced current and transmits signal to the electric leakage driver through the control circuit board amplification; the iron core action; promote binding post cover plate drive steel wire and make the snap close action; circuit breaker tripping is realized earth leakage protective.When not needing earth leakage protective, earth leakage protective device housing and interior assembly thereof are pulled down, can be used as common miniature circuit breaker and use, flexible, functional diversities.
Description of drawings
Accompanying drawing 1 is structural representation of the present invention.
Accompanying drawing 2 is contour structures schematic diagrames of the present invention.
Accompanying drawing 3 is structural representations of short circuit driver 5 in Fig. 1.
1-circuit breaker shell block in figure, 2-circuit breaker cover plate, 3-tripping, 4-snap close; 5-short circuit driver, 6-coil, 7-bobbin, 8-copper sheathing; the 9-steel wire, 10-binding post cover plate, 11-zero-sequence transformer, the 12-driver that leaks electricity; the 13-control circuit board, 14-docks wire, 15-loop electric-conductor, 16-output end binding post; 17-circuit breaker lead-out terminal, the 18-iron core, the 19-installing card, 20-installs copper spare; 21-Chang'an is installed, 22-earth leakage protective device base, 23-earth leakage protective device cover plate, 24-junction block.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
by Fig. 1 in conjunction with Fig. 2, shown in Figure 3, a kind of miniature circuit breaker with earth leakage protective device comprises Shell of circuit breaker, Shell of circuit breaker is comprised of circuit breaker shell block 1 and circuit breaker cover plate 2, tripping 3 is installed in circuit breaker shell block 1, snap close 4 and short circuit driver 5, described short circuit driver 5 comprises coil 6 and bobbin 7, be provided with the copper sheathing 8 with central through hole in bobbin 7, be used to be installed with steel wire 9 in described copper sheathing 8, one end of described steel wire 9 is corresponding with snap close 4, the other end of steel wire 9 is connected with the binding post cover plate 10 of freely activity, the Shell of circuit breaker of binding post cover plate 10 correspondences is provided with through hole, described Shell of circuit breaker clamping earth leakage protective device housing, zero-sequence transformer 11, electric leakage driver 12 and control circuit board 13 are installed in described earth leakage protective device housing, be used to be installed with docking wire 14 and loop electric-conductor 15 in zero-sequence transformer 11, docking wire 14 and loop electric-conductor 15 are electrically connected to 2 output end binding posts 16 respectively, it is outer and corresponding with circuit breaker lead-out terminal 17 that the other end of docking wire 14 stretches out the earth leakage protective device housing, and the iron core 18 in electric leakage driver 12 is corresponding with binding post cover plate 10.When needing electric leakage to protect; the earth leakage protective device housing is docked with Shell of circuit breaker; docking wire 14 inserts circuit breaker lead-out terminal 17; 2 output end binding posts, 16 access electrical equipment in the earth leakage protective device housing; electromagnetic vector during electric leakage in zero-sequence transformer 11 and be not equal to zero; zero-sequence transformer 11 produces induced currents and amplifies and transmit signal to the driver 12 that leaks electricity through control circuit board 13; iron core 18 actions; promote binding post cover plate 10 drive steel wires 9 and make snap close 4 actions; circuit breaker tripping is realized earth leakage protective.When not needing earth leakage protective, earth leakage protective device housing and interior assembly thereof are pulled down, can be used as common miniature circuit breaker and use, flexible, functional diversities.
In conjunction with shown in Figure 2, described circuit breaker shell block 1 is provided with installing card 19 and copper spare 20 is installed by Fig. 1, and the earth leakage protective device housing is provided with and can be installed 21 with the Chang'an that installing card 19 is docked.After earth leakage protective device was installed, the earth leakage protective device housing lengthened, and the Chang'an of packing into is installed and is convenient to install after 21.
In conjunction with shown in Figure 2, described earth leakage protective device housing is comprised of earth leakage protective device base 22 and earth leakage protective device cover plate 23 by Fig. 1, earth leakage protective device base 22 and the 1 phase clamping of circuit breaker shell block.Simple in structure, easy installation and removal.
By shown in Figure 1, on described earth leakage protective device base 22, junction block 24 is installed, the input of described 2 output end binding posts 16 and loop electric-conductor 15 is located in described junction block 24.During the single-phase control of circuit breaker, generally for normal domestic supply line, the input of loop electric-conductor 15 is connected with zero line.
Claims (4)
1. miniature circuit breaker with earth leakage protective device, comprise Shell of circuit breaker, Shell of circuit breaker is comprised of circuit breaker shell block (1) and circuit breaker cover plate (2), tripping (3) is installed in circuit breaker shell block (1), snap close (4) and short circuit driver (5), it is characterized in that: described short circuit driver (5) comprises coil (6) and bobbin (7), be provided with the copper sheathing (8) with central through hole in bobbin (7), be used to be installed with steel wire (9) in described copper sheathing (8), one end of described steel wire (9) is corresponding with snap close (4), the other end of steel wire (9) is connected with the binding post cover plate (10) of freely activity, the Shell of circuit breaker that binding post cover plate (10) is corresponding is provided with through hole, described Shell of circuit breaker clamping earth leakage protective device housing, zero-sequence transformer (11) is installed in described earth leakage protective device housing, electric leakage driver (12) and control circuit board (13), be used to be installed with docking wire (14) and loop electric-conductor (15) in zero-sequence transformer (11), docking wire (14) and loop electric-conductor (15) are electrically connected to 2 output end binding posts (16) respectively, it is outer and corresponding with circuit breaker lead-out terminal (17) that the other end of docking wire (14) stretches out the earth leakage protective device housing, iron core (18) in electric leakage driver (12) is corresponding with binding post cover plate (10).
2. a kind of miniature circuit breaker with earth leakage protective device according to claim 1; it is characterized in that: circuit breaker shell block (1) is provided with installing card (19) and copper spare (20) is installed, and the earth leakage protective device housing is provided with the Chang'an that can dock with installing card (19) be installed (21).
3. a kind of miniature circuit breaker with earth leakage protective device according to claim 1 and 2; it is characterized in that: the earth leakage protective device housing is comprised of earth leakage protective device base (22) and earth leakage protective device cover plate (23), earth leakage protective device base (22) and circuit breaker shell block (1) phase clamping.
4. a kind of miniature circuit breaker with earth leakage protective device according to claim 3; it is characterized in that: junction block (24) is installed on earth leakage protective device base (22), and the input of described 2 output end binding posts (16) and loop electric-conductor (15) is located in described junction block (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110050352 CN102142339B (en) | 2011-03-02 | 2011-03-02 | Miniature circuit breaker with current leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110050352 CN102142339B (en) | 2011-03-02 | 2011-03-02 | Miniature circuit breaker with current leakage protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102142339A CN102142339A (en) | 2011-08-03 |
| CN102142339B true CN102142339B (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110050352 Expired - Fee Related CN102142339B (en) | 2011-03-02 | 2011-03-02 | Miniature circuit breaker with current leakage protector |
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| Country | Link |
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| CN (1) | CN102142339B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543610B (en) * | 2012-01-20 | 2014-07-02 | 乐清市国隆电气有限公司 | Earth leakage circuit breaker |
| CN104465258B (en) * | 2014-12-02 | 2016-06-15 | 浙江天正电气股份有限公司 | A kind of leakage-current alarm chopper |
| LT6421B (en) | 2016-11-24 | 2017-07-10 | Nengqing Wang | Circuit-breaker with self - locking function |
| LT6419B (en) | 2016-11-24 | 2017-07-10 | Yinghua Jin | Circuit-breaker with self-locking function |
| LT6440B (en) | 2016-11-24 | 2017-08-25 | Yan Lirong | Circuit -breaker with self-locking function |
| LT6420B (en) | 2016-11-24 | 2017-07-10 | Yinghua Jin | Circuit breaker with self-locking function |
| LT6418B (en) | 2016-11-24 | 2017-07-10 | Lirong Yan | Circuit-breaker with self-locing function |
| CN107331586B (en) * | 2017-08-08 | 2021-03-19 | 罗格朗低压电器（无锡）有限公司 | Multi-gear moving iron core assembly and magnetic tripping system comprising same |
| CN108321047A (en) * | 2018-02-02 | 2018-07-24 | 深圳曼顿科技有限公司 | Miniature circuit breaker with novel zero sequence mutual inductor installation structure |
| CN111404049B (en) * | 2020-04-27 | 2023-10-20 | 乐清市一锦电子有限公司 | Distribution box system and wiring method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4288768A (en) * | 1978-08-04 | 1981-09-08 | Firma Heinrich Kopp Gmbh & Co. Kg. | Electrical full protection circuit breaker |
| CN2279697Y (en) * | 1996-02-04 | 1998-04-22 | 胡迅 | Circuit breaker with leakage protector |
| CN201374548Y (en) * | 2008-12-16 | 2009-12-30 | 天津市百利电气有限公司 | Leakage module with circuit breaker leakage protection function |
| CN101820163A (en) * | 2010-03-26 | 2010-09-01 | 湖北盛佳电器设备有限公司 | Current leakage detection protection module |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100930865B1 (en) * | 2008-01-02 | 2009-12-10 | 주식회사 케이디파워 | Line status information detection device for coupling circuit breaker |
-
2011
- 2011-03-02 CN CN 201110050352 patent/CN102142339B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4288768A (en) * | 1978-08-04 | 1981-09-08 | Firma Heinrich Kopp Gmbh & Co. Kg. | Electrical full protection circuit breaker |
| CN2279697Y (en) * | 1996-02-04 | 1998-04-22 | 胡迅 | Circuit breaker with leakage protector |
| CN201374548Y (en) * | 2008-12-16 | 2009-12-30 | 天津市百利电气有限公司 | Leakage module with circuit breaker leakage protection function |
| CN101820163A (en) * | 2010-03-26 | 2010-09-01 | 湖北盛佳电器设备有限公司 | Current leakage detection protection module |
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| Publication number | Publication date |
|---|---|
| CN102142339A (en) | 2011-08-03 |
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| C14 | Grant of patent or utility model | ||
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Owner name: WENZHOU RUINENG ELECTRICAL APPLIANCE CO., LTD. Free format text: FORMER OWNER: XU SHENG Effective date: 20150727 |
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Effective date of registration: 20150727 Address after: 325000 Yueqing, Wenzhou, Liushi Town, the Liujiang River Road, No. 3666, No. Patentee after: Wenzhou Ruineng Electrical Appliance Co., Ltd. Address before: 325600, No. 8, Qu Qu Road, Xinguang Industrial Zone, Liushi Town, Wenzhou, Zhejiang, Yueqing Patentee before: Xu Sheng |
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| 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: 20130605 Termination date: 20170302 |