CN201298520Y - Residual current operated circuit breaker with inverse incoming-line protecting function - Google Patents
Residual current operated circuit breaker with inverse incoming-line protecting function Download PDFInfo
- Publication number
- CN201298520Y CN201298520Y CNU2008201648666U CN200820164866U CN201298520Y CN 201298520 Y CN201298520 Y CN 201298520Y CN U2008201648666 U CNU2008201648666 U CN U2008201648666U CN 200820164866 U CN200820164866 U CN 200820164866U CN 201298520 Y CN201298520 Y CN 201298520Y
- Authority
- CN
- China
- Prior art keywords
- residual current
- unit
- line
- breaker
- protective device
- 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
Images
Landscapes
- Breakers (AREA)
Abstract
The utility model relates to a residual current operated circuit breaker with the inverse incoming-line protecting function. The residual current operated circuit breaker comprises a circuit breaker unit and a residual current protector unit, wherein the circuit breaker unit comprises a circuit breaker casing, a line incoming connector base, a line outgoing connector base, a moving contact, a static contact and an operating handle. The residual current protector unit comprises a casing, a line incoming connector base, a line outgoing connector base, a ZCT (zero sequence transformer), a testing button, a coil and a circuit board. The line outgoing connector base of the circuit breaker unit is connected with the line incoming connector base of the residual current protector unit through a conductor line; and the power line of the circuit board is connected with the line outgoing connector base of the residual current protector unit through a conductor line. In addition, the residual current protector unit further comprises a moving contact, a static contact and an operating handle, wherein, the moving and the static contacts are arranged on the power incoming line of the circuit board, and the handle of the residual current protector unit is in linkage connection with the handle of the circuit breaker unit. The residual current operated circuit breaker can not burn out the residual current protector under the inverse line-connecting condition.
Description
Technical field
The utility model relates to a kind of miniature circuit breaker, and particularly a kind of band is poured the residual current action breaker of line defencive function into.
Background technology
As everyone knows, residual current action breaker is set in family expenses system and industrial system usually user and the load that is connected in electric wire is caused danger to prevent fault current, residual current action breaker is meant that the leading-out terminal at circuit breaker is connected with the residual current release, the end of incoming cables that is the residual current release is connected with the leading-out terminal of circuit breaker, and the outlet termination load end of residual current release, during electric current, the residual current release will move and open circuit in case break down.But existing residual current action breaker, power supply and load end wiring can not wrongs, it is the end of incoming cables that power end can only be connected on circuit breaker, load termination is at the leading-out terminal of residual current release, in case it is the electric current that but can not disconnect the residual current release after circuit breaker disconnects that wrong will make the residual current release be in power supply state for a long time, thereby the wiring board of residual current release is burnt out, thereby whole residual current action breaker was lost efficacy.
The utility model content
The purpose of this utility model be solve the turnover line of above-mentioned residual current action breaker can not wrong, the wrong technical problem that then the residual current release is burnt out, even but and provide a kind of band to pour the residual current action breaker of line defencive function into into and out of line reversal connection also operate as normal.
The purpose of this utility model is achieved through the following technical solutions: a kind of band is poured the residual current action breaker of line defencive function into; include breaker unit and residual current operated protective device unit; described breaker unit includes Shell of circuit breaker; advance; go out junction block; moving; fixed contact and operating grip; described residual current operated protective device unit includes housing; advance; go out junction block; zero-sequence transformer; test button; coil and wiring board; the junction block that goes out of described breaker unit is connected with the junction block lead that advances of residual current operated protective device unit; the power line of described wiring board is connected with the junction block lead that goes out of residual current operated protective device unit; be characterized in: described residual current protecting unit also includes moving; fixed contact and operating grip; should be moving; fixed contact is arranged on the electric power incoming line of wiring board, and the handle of described residual current operated protective device unit and the handle of breaker unit are connected.
The utility model further is set to: described residual current operated protective device unit housing is L shaped; the vertical part of this L shaped housing is connected a side of breaker unit side by side; the lateral part is connected the positive downside of breaker unit; the coil of described residual current operated protective device unit; moving; fixed contact; test button and wiring board are installed on the vertical part of this L shaped housing; the handle of described residual current operated protective device unit handle and breaker unit is in same horizontal level, the zero-sequence transformer of described residual current operated protective device unit and advancing; go out on the lateral part that junction block is arranged on L shaped housing.
The utility model further is set to again: described breaker unit is four groups; four groups of sides that are arranged on the lateral part of L shaped housing into and out of junction block first and second group wherein into and out of junction block of described residual current operated protective device unit; third and fourth group is arranged on the opposite side of the lateral part of L shaped housing into and out of junction block, described zero-sequence transformer place second group into and out of junction block and the 3rd group into and out of between the junction block.
The utility model further is set to: described
The vertical part of the housing of shape and lateral part are independently two housings of difference, the lower end of vertical part is provided with a spliced eye, be provided with the protruding stake of hollow in the relevant position of lateral part, upper and lower side at projection is provided with the overhead kick platform, this protruding stake and overhead kick thereof are fallen and the spliced eye clamping matching, and described lateral part is spirally connected by base and loam cake and fixedly forms.
The beneficial effects of the utility model are: when inlet wire termination load that the line connection is a breaker unit occurring pouring into and during the outlet termination power of residual current operated protective device unit; when handle is closed; moving of breaker unit; moving of fixed contact and residual current operated protective device unit; the fixed contact closure; make wiring board connection work; when the electric current that breaks down makes residual current operated protective device work; moving of breaker unit; fixed contact disconnects; the handle of breaker unit drives the handle action of residual current operated protective device unit simultaneously and makes the moving of residual current operated protective device unit; fixed contact disconnects; so wiring board is lost the job power supply simultaneously and is quit work; protection residual current operated protective device unit wiring board can be because of long-term energising not damage, thereby guaranteed the long-term safety work of residual current action breaker.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment
Fig. 2 is the A-A cutaway view of Fig. 1
Fig. 3 is the circuit theory diagrams of the utility model embodiment
Embodiment
Now in conjunction with the accompanying drawings the utility model execution mode is further described:
As shown in Figure 1 to Figure 3; the utility model embodiment pours four utmost point residual current action breakers of line defencive function into for a kind of band; include four groups of breaker units 1 and residual current operated protective device unit 2; described each breaker unit 1 includes Shell of circuit breaker 11 respectively; advance; go out junction block 12; 13; moving; fixed contact and operating grip 14; described residual current operated protective device unit 2 includes one one-tenth L shaped housing 21; advance; go out junction block 22; zero-sequence transformer 23; test button 28; coil 26 and wiring board 29; the vertical part 211 of this L shaped housing 21 is connected a side of breaker unit 1 side by side; lateral part 212 is connected the positive downside of breaker unit 1; the coil 26 of described residual current operated protective device unit 2; moving; fixed contact 24; 25; test button 28 and wiring board 29 are installed on the vertical part 211 of this L shaped housing 21; the handle 13 of described residual current operated protective device unit handle 27 and breaker unit 1 is in same horizontal level and is fixed together and realizes being connected with a pin rod; four groups of described residual current operated protective device unit are advanced; go out junction block 22 wherein first; two groups are advanced; go out the side that junction block is arranged on the lateral part 212 of L shaped housing 21; the 3rd; four groups are advanced; go out the opposite side that junction block is arranged on the lateral part 212 of L shaped housing 21; described zero-sequence transformer 23 places second group to advance; going out junction block and the 3rd group advances; go out between the junction block; the junction block 14 that goes out of described breaker unit 1 is connected with the junction block lead that advances of residual current operated protective device unit 2; the power line of described wiring board 29 is connected with the junction block lead that goes out of residual current operated protective device unit 2, and is described moving; fixed contact 24; 25 are arranged on the electric power incoming line of wiring board 29.
Present embodiment is that the end of incoming cables 12 of breaker unit 1 connects load and the leading-out terminal 22 of residual current operated protective device unit 2 when connecing power supply the line connection occurring pouring into; at handle 13; during 27 closures; moving of breaker unit; moving of fixed contact and residual current operated protective device unit; fixed contact 24; 25 closures; make wiring board 29 connection work; when the electric current that breaks down makes residual current operated protective device work; moving of breaker unit 1; fixed contact disconnects; the handle 12 of breaker unit 1 drives handle 27 actions of residual current operated protective device unit 2 simultaneously and makes the moving of residual current operated protective device unit 2; fixed contact 24; 25 disconnect; so wiring board 29 is lost the job power supply simultaneously and is quit work; protection residual current operated protective device unit wiring board 29 can be because of long-term energising not damage, thereby guaranteed the long-term safety work of residual current action breaker.
In the foregoing description owing to adopt L shaped housing 21 and will be arranged on the lateral part 212 of L shaped housing 21 into and out of junction block 22, (its number of poles is many more to make the narrowed width of circuit breaker, advantage is obvious more, substantially comparing its width reduction with common residual current action breaker is number of poles * standard breaker unit width, four utmost points promptly are equivalent to reduce 4* standard breaker unit width than common circuit breaker relative width), and it is not yielding with residue to have shortened breaker unit, therefore helps the installation balance of shell.
As shown in the figure, the longer sides of the opening 17 of shell 1 is provided with short slot 18, described short slot 18 becomes step-like along its wall thickness direction, this side of its step surface and opening 17 is along equal, the inner side edge of step-like short slot 18 is along 182 edges 181 greater than the outside, in short slot 18, be plugged with plastic plate 4, described plastic plate 4 is provided with along its left side, the medial launder 44 of the right side and lower edge offset distance, this medial launder 44 is inserted in the outer side edges of short slot 18 along in 181, the upper surface of plastic plate 4 is inboard low, the step surface that the outside is high, the medial surface 41 of the upper surface of this plastic plate 4 is equal with the edge of opening 17 and be pressed in down by cover plate 3 lid, the lateral surface 42 of the upper surface of described this plastic plate 4 is equal with the installed surface of mounting panel 12, be provided with a plurality of through wires holes 43 on plastic plate 4, each lead (not looking out among the figure) that stretches out on the circuit board 2 passes from this through wires hole 43 and is exposed to outside the shell 1.Adopt illustrated mode that plastic plate 4 is fixed, it is easy for installation, fixing reliable, and certain the present invention does not get rid of its mode with other plastic plate (this plastic plate also can be referred to as the threading folder) is installed.
Originally execute in the example, described big ampere wires is positioned at the tossing about of triode row 23 of circuit board 2, and this big ampere wires is the copper sheet with many legs, and copper sheet is plugged on the circuit board 2 by leg and connects with the soldering of circuit sheetpile and constituted the big ampere wires of bridge-type.Since the pin on the copper sheet can straight cutting on circuit board, so only on the copper pin heap tin just passable.Walk wave-soldering together with other plug-in units like this, be convenient to produce in enormous quantities, enhance productivity.In addition owing to make into to pass a bridge, copper sheet is bigger than copper wire surface area, corresponding resistance is less, so heat radiation is better than traditional, while self heat production is also less, makes the circuit board temperature rise relatively low again so simultaneously, makes controller can not blow the wiring board cabling under the situation of big electric current, help the stable of its performance, prolong its useful life.
Those skilled in the art should be understood that; above embodiment described in detail in conjunction with the accompanying drawings only is a preferred implementation of the present invention; and be not qualification to protection scope of the present invention, any improvement of being done based on invention spirit of the present invention is all naturally in protection range of the present invention.
Claims (4)
1. a band is poured the residual current action breaker of line defencive function into; include breaker unit and residual current operated protective device unit; described breaker unit includes Shell of circuit breaker; advance; go out junction block; moving; fixed contact and operating grip; described residual current operated protective device unit includes housing; advance; go out junction block; zero-sequence transformer; test button; coil and wiring board; the junction block that goes out of described breaker unit is connected with the junction block lead that advances of residual current operated protective device unit; the power line of described wiring board is connected with the junction block lead that goes out of residual current operated protective device unit; it is characterized in that: described residual current protecting unit also includes moving; fixed contact and operating grip; should be moving; fixed contact is arranged on the electric power incoming line of wiring board, and the handle of described residual current operated protective device unit and the handle of breaker unit are connected.
2. band according to claim 1 is poured the residual current action breaker of line defencive function into; it is characterized in that: described residual current operated protective device unit housing is L shaped; the vertical part of this L shaped housing is connected a side of breaker unit side by side; the lateral part is connected the positive downside of breaker unit; the coil of described residual current operated protective device unit; moving; fixed contact; test button and wiring board are installed on the vertical part of this L shaped housing; the handle of described residual current operated protective device unit handle and breaker unit is in same horizontal level, the zero-sequence transformer of described residual current operated protective device unit and advancing; go out on the lateral part that junction block is arranged on L shaped housing.
3. band according to claim 2 is poured the residual current action breaker of line defencive function into; it is characterized in that: described breaker unit is four groups; four groups of sides that are arranged on the lateral part of L shaped housing into and out of junction block first and second group wherein into and out of junction block of described residual current operated protective device unit; third and fourth group is arranged on the opposite side of the lateral part of L shaped housing into and out of junction block, described zero-sequence transformer place second group into and out of junction block and the 3rd group into and out of between the junction block.
4. pour the residual current action breaker of line defencive function into according to claim 2 or 3 described bands; it is characterized in that: the vertical part of described L shaped housing and lateral part are two housings independently respectively; the lower end of vertical part is provided with a spliced eye; be provided with the protruding stake of hollow in the relevant position of lateral part; upper and lower side at projection is provided with the overhead kick platform; this protruding stake and overhead kick thereof are fallen and the spliced eye clamping matching, and described lateral part is spirally connected by base and loam cake and fixedly forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201648666U CN201298520Y (en) | 2008-09-23 | 2008-09-23 | Residual current operated circuit breaker with inverse incoming-line protecting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201648666U CN201298520Y (en) | 2008-09-23 | 2008-09-23 | Residual current operated circuit breaker with inverse incoming-line protecting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201298520Y true CN201298520Y (en) | 2009-08-26 |
Family
ID=41044506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201648666U Expired - Fee Related CN201298520Y (en) | 2008-09-23 | 2008-09-23 | Residual current operated circuit breaker with inverse incoming-line protecting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201298520Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321059A (en) * | 2018-02-27 | 2018-07-24 | 法泰电器（江苏）股份有限公司 | A kind of band pours the RCD modules of line defencive function into |
| CN115020162A (en) * | 2022-08-05 | 2022-09-06 | 徐州华隆热电有限公司 | Low-voltage circuit breaker |
-
2008
- 2008-09-23 CN CNU2008201648666U patent/CN201298520Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321059A (en) * | 2018-02-27 | 2018-07-24 | 法泰电器（江苏）股份有限公司 | A kind of band pours the RCD modules of line defencive function into |
| CN115020162A (en) * | 2022-08-05 | 2022-09-06 | 徐州华隆热电有限公司 | Low-voltage circuit breaker |
| CN115020162B (en) * | 2022-08-05 | 2022-10-25 | 徐州华隆热电有限公司 | Low-voltage circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201298520Y (en) | Residual current operated circuit breaker with inverse incoming-line protecting function | |
| CN203871255U (en) | Rainproof disconnecting switch | |
| CN203774217U (en) | Multi-polar residual-current circuit breaker with electric leakage indication and reset functions | |
| CN208368804U (en) | A kind of current loop Special short device | |
| CN105742093A (en) | Magnetic blow-out arc striking structure and circuit breaker thereof | |
| CN204303707U (en) | Breaker | |
| CN205193123U (en) | Trade table device and ammeter case | |
| CN209388972U (en) | A kind of low-voltage circuit breaker terminal insulative structure-improved | |
| CN204189695U (en) | Isolating switch fuse group | |
| CN102610456A (en) | Thermomagnetic circuit breaker and power distribution equipment | |
| CN209434130U (en) | A kind of three-in-one overcurrent protection switch | |
| CN206250442U (en) | Insulation displacement connector with block | |
| CN201298521Y (en) | Residual current operated circuit breaker | |
| CN106935455A (en) | A kind of intelligent fuse | |
| CN107689313A (en) | A kind of low-voltage circuit breaker | |
| CN207038870U (en) | A kind of bus-bar | |
| CN208806209U (en) | A kind of breaker | |
| CN205881838U (en) | Low -voltage circuit breaker | |
| CN205862207U (en) | A kind of distribution delayed startup coupling box | |
| CN208422834U (en) | The embedded secondary fuse device of mutual inductor | |
| CN205789779U (en) | Breaker of plastic casing | |
| CN206849788U (en) | A kind of automatic reclosing of electric power | |
| CN205081454U (en) | Leakage protector | |
| CN212485259U (en) | Plug-in circuit breaker | |
| CN208093496U (en) | A kind of breaker and overcurrent protective device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Electric Appliance and Switchgear Co., Ltd. Assignor: Li Jianmin Contract record no.: 2010330000737 Denomination of utility model: Residual current operated circuit breaker with inverse incoming-line protecting function Granted publication date: 20090826 License type: Exclusive License Record date: 20100507 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090826 Termination date: 20130923 |