CN102142339A - Miniature circuit breaker with current leakage protector - Google Patents

Miniature circuit breaker with current leakage protector Download PDF

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Publication number
CN102142339A
CN102142339A CN2011100503524A CN201110050352A CN102142339A CN 102142339 A CN102142339 A CN 102142339A CN 2011100503524 A CN2011100503524 A CN 2011100503524A CN 201110050352 A CN201110050352 A CN 201110050352A CN 102142339 A CN102142339 A CN 102142339A
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CN
China
Prior art keywords
circuit breaker
protective device
earth leakage
leakage protective
shell
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2011100503524A
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Chinese (zh)
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CN102142339B (en
Inventor
许胜�
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Wenzhou Ruineng Electrical Appliance Co., Ltd.
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许胜�
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Priority to CN 201110050352 priority Critical patent/CN102142339B/en
Publication of CN102142339A publication Critical patent/CN102142339A/en
Application granted granted Critical
Publication of CN102142339B publication Critical patent/CN102142339B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of miniature circuit breaker with earth leakage protective device
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 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.Miniature circuit breaker commonly used has overload and short-circuit protection function and does not have creepage protection function; because the space in the miniature circuit breaker housing is less; be difficult to reach the use standard as in housing, adding earth leakage protective functional unit; described functional unit is meant zero-sequence transformer, signal amplifying circuit board, coil, iron core etc., and it is not enough and cause the short circuit phenomenon of not threading off tripping force to occur through regular meeting.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; the one side lengthening of housing; enlarged shell space; in the space of expanding, lay the coil of electric leakage dropout driver, increased creepage protection function.Though this patent has solved the space requirement of common miniature circuit breaker; but its housing is an 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; seeming, volume is huge a bit, is not easy to install.
Summary of the invention
In order to overcome disadvantages of background technology, the invention provides a kind of miniature circuit breaker with earth leakage protective device, the miniature circuit breaker of this band earth leakage protective device has mainly solved the problem that the miniature circuit breaker of existing band creepage protection function can not split.
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 made up 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 of band central through hole in the bobbin, be used to be installed with steel wire in the described copper sheathing, one end of described steel wire is corresponding with snap close, the other end of steel wire links to each other with free movable binding post cover plate, and the Shell of circuit breaker of binding post cover plate correspondence 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 the described earth leakage protective device housing; be used to be installed with butt joint lead and loop electric-conductor in the zero-sequence transformer; butt joint lead and loop electric-conductor are electrically connected with 2 output end binding posts respectively; it is outer and corresponding with the circuit breaker lead-out terminal that the other end of butt joint lead 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 to be installed card and copper spare is installed, and the earth leakage protective device housing is provided with and can be installed with the Chang'an that card docking is installed.
Described earth leakage protective device housing is made up of earth leakage protective device base and earth leakage protective device cover plate, earth leakage protective device base and the clamping mutually of circuit breaker shell block.
On the described earth leakage protective device base junction block is installed, described junction block is provided with the input of 2 output end binding posts and loop electric-conductor.
The invention has the beneficial effects as follows: owing to take such scheme; when needing electric leakage to protect; the earth leakage protective device housing is docked with Shell of circuit breaker; the butt joint lead inserts the output of circuit breaker; 2 output end binding posts in the earth leakage protective device housing insert electrical equipment; electromagnetic vector during electric leakage in the 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 a 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 among Fig. 1.
1-circuit breaker shell block among the 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 lead, 15-loop electric-conductor, 16-output end binding post; 17-circuit breaker lead-out terminal, the 18-iron core, 19-installs card, and 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 made up of circuit breaker shell block 1 and circuit breaker cover plate 2, tripping 3 is installed in the 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 of band central through hole in the bobbin 7, be used to be installed with steel wire 9 in the described copper sheathing 8, one end of described steel wire 9 is corresponding with snap close 4, the other end of steel wire 9 links to each other with free movable binding post cover plate 10, and 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 the described earth leakage protective device housing; be used to be installed with butt joint lead 14 and loop electric-conductor 15 in the zero-sequence transformer 11; butt joint lead 14 and loop electric-conductor 15 are electrically connected with 2 output end binding posts 16 respectively; it is outer and corresponding with circuit breaker lead-out terminal 17 that the other end of butt joint lead 14 stretches out the earth leakage protective device housing, and the iron core 18 in the 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; butt joint lead 14 inserts circuit breaker lead-out terminal 17; 2 output end binding posts 16 in the earth leakage protective device housing insert electrical equipment; electromagnetic vector during electric leakage in the zero-sequence transformer 11 and be not equal to zero; zero-sequence transformer 11 generation induced currents are through control circuit board 13 amplifications and transmit signal to electric leakage driver 12; 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 to be installed 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 installation card 19 Chang'an of docking.After earth leakage protective device is installed, earth leakage protective device housing lengthening, 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 made up 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 circuit breaker shell block 1 clamping mutually.Simple in structure, easy installation and removal.
By shown in Figure 1, on the described earth leakage protective device base 22 junction block 24 is installed, described junction block 24 is provided with the input of 2 output end binding posts 16 and loop electric-conductor 15.The single-phase control of circuit breaker generally is used for normal domestic supply line, and 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 made up of circuit breaker shell block (1) and circuit breaker cover plate (2), tripping (3) is installed in the 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) of band central through hole in the bobbin (7), be used to be installed with steel wire (9) in the described copper sheathing (8), one end of described steel wire (9) is corresponding with snap close (4), the other end of steel wire (9) links to each other with free movable binding post cover plate (10), and 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 the described earth leakage protective device housing; electric leakage driver (12) and control circuit board (13); be used to be installed with butt joint lead (14) and loop electric-conductor (15) in the zero-sequence transformer (11); butt joint lead (14) and loop electric-conductor (15) are electrically connected with 2 output end binding posts (16) respectively; it is outer and corresponding with circuit breaker lead-out terminal (17) that the other end of butt joint lead (14) stretches out the earth leakage protective device housing, and the iron core (18) in the electric leakage driver (12) is corresponding with binding post cover plate (10).
2. a kind of miniature circuit breaker according to claim 1 with earth leakage protective device; it is characterized in that: circuit breaker shell block (1) is provided with to be installed card (19) and copper spare (20) is installed, and the earth leakage protective device housing is provided with can be installed with the Chang'an that installation card (19) docks (21).
3. a kind of miniature circuit breaker according to claim 1 and 2 with earth leakage protective device; it is characterized in that: the earth leakage protective device housing is made up 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) clamping mutually.
4. a kind of miniature circuit breaker according to claim 3 with earth leakage protective device; it is characterized in that: junction block (24) is installed on the earth leakage protective device base (22), and described junction block (24) is provided with the input of 2 output end binding posts (16) and loop electric-conductor (15).
CN 201110050352 2011-03-02 2011-03-02 Miniature circuit breaker with current leakage protector Expired - Fee Related CN102142339B (en)

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)

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CN102142339A true CN102142339A (en) 2011-08-03
CN102142339B CN102142339B (en) 2013-06-05

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102543610A (en) * 2012-01-20 2012-07-04 乐清市国隆电气有限公司 Earth leakage circuit breaker
CN104465258A (en) * 2014-12-02 2015-03-25 浙江天正电气股份有限公司 Electric leakage alarm circuit beaker
LT6419B (en) 2016-11-24 2017-07-10 Yinghua Jin Circuit-breaker with self-locking function
LT6421B (en) 2016-11-24 2017-07-10 Nengqing Wang Circuit-breaker with self - locking function
LT6418B (en) 2016-11-24 2017-07-10 Lirong Yan Circuit-breaker with self-locing function
LT6420B (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
CN107331586A (en) * 2017-08-08 2017-11-07 罗格朗低压电器(无锡)有限公司 Many gear dynamic iron core components and the magnetic tripping system for including many gear dynamic iron core components
WO2019148621A1 (en) * 2018-02-02 2019-08-08 深圳曼顿科技有限公司 Miniature circuit breaker with novel zero-sequence transformer installation structure
CN111404049A (en) * 2020-04-27 2020-07-10 乐清市一锦电子有限公司 Distribution box system and wiring method thereof

Citations (5)

* Cited by examiner, † Cited by third party
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
KR20090074296A (en) * 2008-01-02 2009-07-07 주식회사 케이디파워 Mccb mounting type power line data pickup device
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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
KR20090074296A (en) * 2008-01-02 2009-07-07 주식회사 케이디파워 Mccb mounting type power line data pickup device
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

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102543610A (en) * 2012-01-20 2012-07-04 乐清市国隆电气有限公司 Earth leakage circuit breaker
CN102543610B (en) * 2012-01-20 2014-07-02 乐清市国隆电气有限公司 Earth leakage circuit breaker
CN104465258A (en) * 2014-12-02 2015-03-25 浙江天正电气股份有限公司 Electric leakage alarm circuit beaker
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
LT6419B (en) 2016-11-24 2017-07-10 Yinghua Jin Circuit-breaker with self-locking function
LT6421B (en) 2016-11-24 2017-07-10 Nengqing Wang Circuit-breaker with self - locking function
LT6418B (en) 2016-11-24 2017-07-10 Lirong Yan Circuit-breaker with self-locing function
LT6420B (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
CN107331586A (en) * 2017-08-08 2017-11-07 罗格朗低压电器(无锡)有限公司 Many gear dynamic iron core components and the magnetic tripping system for including many gear dynamic iron core components
WO2019148621A1 (en) * 2018-02-02 2019-08-08 深圳曼顿科技有限公司 Miniature circuit breaker with novel zero-sequence transformer installation structure
CN111404049A (en) * 2020-04-27 2020-07-10 乐清市一锦电子有限公司 Distribution box system and wiring method thereof
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

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Owner name: WENZHOU RUINENG ELECTRICAL APPLIANCE CO., LTD.

Free format text: FORMER OWNER: XU SHENG

Effective date: 20150727

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

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

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130605

Termination date: 20170302

CF01 Termination of patent right due to non-payment of annual fee