CN103746300B - Combined breaker - Google Patents
Combined breaker Download PDFInfo
- Publication number
- CN103746300B CN103746300B CN201310751818.2A CN201310751818A CN103746300B CN 103746300 B CN103746300 B CN 103746300B CN 201310751818 A CN201310751818 A CN 201310751818A CN 103746300 B CN103746300 B CN 103746300B
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- miniature circuit
- zct
- button
- housing
- Prior art date
- 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.)
- Expired - Fee Related
Links
Landscapes
- Breakers (AREA)
Abstract
The invention discloses a kind of combined breaker, the miniature circuit breaker being set up in parallel including at least two, these two the miniature circuit breaker housings being set up in parallel are provided with ZCT；Each miniature circuit breaker housing is equipped with one, and for the accommodating cavity putting ZCT, each accommodating cavity interconnects and combines one ZCT of formation and puts chamber, and described ZCT is positioned at this ZCT and puts in chamber.Present configuration more compact and reasonable, make full use of the thickness space of each miniature circuit breaker, it is combined one larger space of formation, for arranging zero sequence current mutual inductor, thus on the premise of using onesize zero sequence current mutual inductor, effectively minimize entire length and the thickness of each small-sized short-circuiting device.
Description
Technical field
The invention belongs to low voltage electrical apparatus technology field, be specifically related to a kind of combined breaker.
Background technology
Miniature circuit breaker is applicable to exchange 50/60Hz rated voltage 230/400V; rated current is used to overload and the short-circuit protection of 63A circuit; can also under normal circumstances as circuit infrequently operation change be used, be mainly used in the various places such as industry, business, high level and residential houses.
Traditional Minitype electrical leakage breaker, the ZCT including independent case and being arranged in housing and associated circuit board, owing to the basic configuration of ZCT is a circular ring, volume is bigger, the most how to place, all can take larger space, all can cause the housing of longer housing or thicker, longer housing may require that peace be can not load by special distribution box, common distribution box；Thicker housing then seems more heavy, in identical distribution box, and the quantity can installed also general's decline, and run in the opposite direction with the miniaturization trend of low-voltage electrical apparatus.
Additionally; traditional Minitype electrical leakage breaker; be all with corresponding small-sized overload/Over Current Circuit Breaker with the use of; the composition combined breaker of 2P, 3P, 4P type uses; when used in combination; need a plurality of phase line through same ZCT, need the phase line of each independent breaker to lead in the ZCT in RCCB；The method of traditional solution wiring problem is, connects electricity side of stacked switch, installs a shade additional, and the electric wire connecting each independent breaker phase line is positioned among shade, so that entirety is the most attractive in appearance；But the shortcoming of this combined RCCB is it is also obvious that one is that shade is attached on breaker one side, equal to increasing housing, two is way interleave in shade, is prone to accidents.
Summary of the invention
It is an object of the invention to provide a kind of combined breaker effectively minimizing shell length and thickness.
The technical scheme realizing the object of the invention is: a kind of combined breaker, the miniature circuit breaker being set up in parallel including at least two, is provided with ZCT in these two the miniature circuit breaker housings being set up in parallel；Each miniature circuit breaker housing is equipped with one, and for the accommodating cavity putting ZCT, each accommodating cavity interconnects and combines one ZCT of formation and puts chamber, and described ZCT is positioned at this ZCT and puts in chamber.
In technique scheme, the housing of two adjacent miniature circuit breakers is provided with the open-work for connecting each accommodating cavity at the shell wall that it is adjacent.
In technique scheme, described ZCT includes that annular core, all small-sized short-circuiting devices set gradually along straight line, and the central axial direction of this annular core is perpendicular to this straight line.
In technique scheme, at least one miniature circuit breaker is provided with button and for providing the elastic component of reseting elasticity for button；This miniature circuit breaker housing is provided with spacing hole, is provided with locating dowel in housing；Described elastic component includes the torsion spring portion being set in locating dowel and for the supporting part being set on button, and described connecting portion is sheathed and is fixed on button；Described button is positioned in described spacing hole.
In technique scheme, described button includes instruction unit and connecting portion, and the supporting part of described elastic component is sheathed and is fixed on the outer wall of button connecting portion.
In technique scheme, described elastic component is formed by same steel wire wound.
In technique scheme, the basic configuration of elastic component supporting part spring body and torsion spring portion spring body is screw thread spring-like.
In technique scheme, the bearing of trend of described torsion spring portion spring body is vertical with the bearing of trend of supporting part spring body.
In technique scheme, in each miniature circuit breaker, at least one is earth leakage protective miniature circuit breaker.
In technique scheme, in each miniature circuit breaker, at least one is overload protection miniature circuit breaker, and this overload protection miniature circuit breaker and described earth leakage protective miniature circuit breaker are provided with separating brake synchronous interlocking mechanism.
The present invention has a positive effect: (1) present configuration more compact and reasonable, make full use of the thickness space of each miniature circuit breaker, it is combined one larger space of formation, for arranging zero sequence current mutual inductor, thus on the premise of using onesize zero sequence current mutual inductor, effectively minimize entire length and the thickness of each small-sized short-circuiting device.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the present invention；
Fig. 2 is a kind of decomposition texture schematic diagram of combined breaker shown in Fig. 1；
Fig. 3 is a kind of decomposition texture schematic diagram when another angle is observed of the combined breaker shown in Fig. 1；
Fig. 4 is a kind of decomposition texture schematic diagram of earth leakage protective miniature circuit breaker local in combined breaker shown in Fig. 1.
Shown in accompanying drawing, mark is: miniature circuit breaker 1, miniature circuit breaker housing 11, accommodating cavity 12; open-work 13, spacing hole 14, locating dowel 15; ZCT 2, annular core 21, ZCT puts chamber 3; button 4, instruction unit 41, connecting portion 42; elastic component 5, torsion spring portion 51, supporting part 52; earth leakage protective miniature circuit breaker 100, overload protection miniature circuit breaker 200.
Detailed description of the invention
(embodiment 1)
Fig. 1 to Fig. 4 shows a kind of detailed description of the invention of the present invention, and wherein Fig. 1 is a kind of perspective view of the present invention；Fig. 2 is a kind of decomposition texture schematic diagram of combined breaker shown in Fig. 1；Fig. 3 is a kind of decomposition texture schematic diagram when another angle is observed of the combined breaker shown in Fig. 1；Fig. 4 is a kind of decomposition texture schematic diagram of earth leakage protective miniature circuit breaker local in combined breaker shown in Fig. 1.
The present embodiment is a kind of combined breaker; as shown in Fig. 1 to Fig. 4; including two miniature circuit breakers being set up in parallel 1; one of them is earth leakage protective miniature circuit breaker 100; another is overload protection miniature circuit breaker 200, and this overload protection miniature circuit breaker and described earth leakage protective miniature circuit breaker are provided with separating brake synchronous interlocking mechanism.
Each miniature circuit breaker housing 11 is equipped with one, and for the accommodating cavity 12 putting ZCT, each accommodating cavity interconnects and combines one ZCT of formation and puts chamber 3,
Earth leakage protective miniature circuit breaker 100 housing is provided with ZCT 2；Described ZCT includes that annular core 21, all small-sized short-circuiting devices set gradually along straight line, and described ZCT is positioned at this ZCT and puts in chamber, and the central axial direction of its annular core is perpendicular to this straight line.
The housing of two adjacent miniature circuit breakers is provided with the open-work 13 for connecting each accommodating cavity at the shell wall that it is adjacent.
In the present embodiment, earth leakage protective miniature circuit breaker 100 is provided with the button 4 of experiment and for providing the elastic component 5 of reseting elasticity for button；Its housing is provided with spacing hole 14, is provided with locating dowel 15 in housing；Described elastic component is formed by same steel wire wound, and including the torsion spring portion 51 being set in locating dowel with for the supporting part 52 being set on button, described connecting portion is sheathed and is fixed on button；Described button is positioned in described spacing hole.
Described button includes instruction unit 41 and connecting portion 42, and the supporting part of described elastic component is sheathed and is fixed on the outer wall of button connecting portion.The basic configuration of described elastic component supporting part is screw thread spring-like.The bearing of trend of described torsion spring portion spring body is vertical with the bearing of trend of supporting part spring body.In this kind of structure; described button is no longer necessary to arrange other parts and can realize effectively positioning and resetting; and the installation of described elastic component is the most convenient; compared with conventional earth leakage protection miniature circuit breaker; the mounting structure of its experiment button more simplifies, and effectively reduces manufacturing cost and improves reliability.
The present embodiment structure more compact and reasonable, make full use of the thickness space of each miniature circuit breaker, it is combined one larger space of formation, for arranging zero sequence current mutual inductor, thus on the premise of using onesize zero sequence current mutual inductor, effectively minimize entire length and the thickness of each small-sized short-circuiting device.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the obvious change that these connotations belonging to the present invention are extended out or variation still fall within protection scope of the present invention.
Claims (1)
1. a combined breaker, the miniature circuit breaker (1) being set up in parallel including at least two, these two set side by side
The miniature circuit breaker housing put is provided with ZCT (2)；It is characterized in that: each miniature circuit breaker housing (11) is equal
Be provided with one for the accommodating cavity (12) putting ZCT, each accommodating cavity interconnect and combine formation one zero sequence
Chamber (3) put by transformer, and described ZCT is positioned at this ZCT and puts in chamber；Two adjacent small-sized open circuits
The housing of device is provided with the open-work (13) for connecting each accommodating cavity at the shell wall that it is adjacent；At least one miniature circuit breaker
It is provided with button (4) and for providing the elastic component (5) of reseting elasticity for button；This miniature circuit breaker housing is provided with limit
Hole, position (14), is provided with locating dowel (15) in housing；Described button includes instruction unit (41) and connecting portion (42), institute
State torsion spring portion (51) that elastic component includes being set in locating dowel and for the supporting part (52) being set on button, institute
State the supporting part of elastic component sheathed and be fixed on the outer wall of button connecting portion；Described button is positioned in described spacing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751818.2A CN103746300B (en) | 2013-12-31 | 2013-12-31 | Combined breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751818.2A CN103746300B (en) | 2013-12-31 | 2013-12-31 | Combined breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103746300A CN103746300A (en) | 2014-04-23 |
| CN103746300B true CN103746300B (en) | 2016-08-24 |
Family
ID=50503305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310751818.2A Expired - Fee Related CN103746300B (en) | 2013-12-31 | 2013-12-31 | Combined breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103746300B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08321249A (en) * | 1995-05-26 | 1996-12-03 | Matsushita Electric Works Ltd | Leak current detecting device of earth leakage breaker |
| CN101794689A (en) * | 2010-04-06 | 2010-08-04 | 浙江森泰电器厂 | Small-sized plastic-shell combined switch |
| CN202018931U (en) * | 2011-04-07 | 2011-10-26 | 浙江天正电气股份有限公司 | Miniature circuit breaker with under-voltage and over-voltage protection |
| CN203942170U (en) * | 2013-12-31 | 2014-11-12 | 陈国贵 | Combined circuit breaker |
-
2013
- 2013-12-31 CN CN201310751818.2A patent/CN103746300B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08321249A (en) * | 1995-05-26 | 1996-12-03 | Matsushita Electric Works Ltd | Leak current detecting device of earth leakage breaker |
| CN101794689A (en) * | 2010-04-06 | 2010-08-04 | 浙江森泰电器厂 | Small-sized plastic-shell combined switch |
| CN202018931U (en) * | 2011-04-07 | 2011-10-26 | 浙江天正电气股份有限公司 | Miniature circuit breaker with under-voltage and over-voltage protection |
| CN203942170U (en) * | 2013-12-31 | 2014-11-12 | 陈国贵 | Combined circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103746300A (en) | 2014-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200993948Y (en) | Safety earth fault circuit breaker | |
| US20110097914A1 (en) | Rotatable and foldable electrical plug connector | |
| WO2011060020A3 (en) | Electrical power distribution system | |
| CA2657942A1 (en) | Electrical distribution panel for a number of critical and non-critical loads | |
| CN103746300B (en) | Combined breaker | |
| CN203942170U (en) | Combined circuit breaker | |
| CN203300573U (en) | Multi-breakpoint plastic shell circuit breaker | |
| CN101681750B (en) | Residual current device | |
| CN101710557A (en) | Plastic enclosure leakage circuit breaker with multifunctional housing | |
| CN206250131U (en) | A kind of combined heavy current breaker | |
| CN201312120Y (en) | Switch-type surge protector | |
| CN207896050U (en) | A kind of connection structure of circuit breaker accessory | |
| CN204088919U (en) | A kind of easily extensible ammeter box | |
| CN106505542B (en) | Surge protector pedestal | |
| JP4748477B2 (en) | Circuit breaker terminal structure | |
| CN211350502U (en) | Miniature circuit breaker with zero sequence current transformer | |
| JP2007318875A (en) | Distribution panel for housing | |
| CN201674141U (en) | 24KV electric energy measuring cart with suspended meters | |
| CN202282586U (en) | Terminal electric appliance distribution box | |
| RU2507622C1 (en) | Input current converter | |
| CN204088936U (en) | A kind of improvement ammeter box | |
| EP3058576B1 (en) | Current transformer for low voltage residual current circuit breakers | |
| CN219778794U (en) | Leakage release for miniature circuit breaker | |
| CN216119887U (en) | Super isolation transformer based on Faraday shielding structure | |
| KR101374647B1 (en) | Compact type three phase electric pole transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20160824 Termination date: 20161231 |