CN105702535A - Residual-current circuit breaker - Google Patents
Residual-current circuit breaker Download PDFInfo
- Publication number
- CN105702535A CN105702535A CN201610190877.0A CN201610190877A CN105702535A CN 105702535 A CN105702535 A CN 105702535A CN 201610190877 A CN201610190877 A CN 201610190877A CN 105702535 A CN105702535 A CN 105702535A
- Authority
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- China
- Prior art keywords
- lever
- chamber
- wiring board
- electric leakage
- touch switch
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Hall/Mr Elements (AREA)
- Breakers (AREA)
Abstract
The invention discloses a residual-current circuit breaker and mainly aims to solve the problems as follows: residual current still exists in an electric leakage unit of the residual-current circuit breaker after the circuit breaker is tripped; current breaking is implemented after the current flows out of the circuit board, so that certain potential safety hazards are formed, and the power supply end and the load end cannot be interchanged. The invention provides the residual-current circuit breaker; a first cavity used for mounting a circuit breaker unit and a second cavity used for mounting an electric leakage unit are formed in a shell; a tripping mechanism is arranged in the first cavity; the electric leakage unit comprises a second lever and an electromagnetic tripping device for driving the tripping mechanism to be tripped; a circuit board and a touch switch are also arranged in the second cavity; the on/off of the tripping mechanism controls the on/off of the touch switch; and one end of the touch switch is connected with an L line while the other end of the touch switch is electrically connected with the circuit board. When the circuit breaker is tripped, the touch switch is driven to be disconnected; and current breaking is implemented at the front end of the circuit board, so that the residual-current circuit breaker is safer to use, and the interchangeability of the power supply end and the load end can be realized.
Description
Technical field
The invention belongs to field of circuit breakers, particularly to a kind of RCCB。
Background technology
RCCB: in circuit, leakage current exceedes the switch of energy auto-action during predetermined value。Conventional RCCB is divided into voltage-type and current mode two class, and current mode is divided into electromagnetic type and electron type two kinds。
RCCB is actually a kind of chopper with creepage protection function; RCCB includes breaker mechanism and electric leakage unit; but existing electric leakage unit is all keep being connected with chopper the first snap close in breaker mechanism by a connecting rod; namely after electric leakage unit detects that circuit leaks electricity; drive chopper the first snap close action by connecting rod, and then realize disjunction dropout by breaker mechanism。
The electric leakage unit of present RCCB yet suffers from residual current after circuit breaker tripping, is after electric current flows out circuit board because it cuts off electric current, and use there is certain potential safety hazard and power end and load end is non-interchangeable。
Summary of the invention
In order to overcome the deficiency of background technology, the present invention provides a kind of RCCB, the electric leakage unit mainly solving RCCB yet suffers from residual current after circuit breaker tripping, it is flow out after circuit board at electric current because it cuts off electric current, uses and there is certain potential safety hazard and power end and the non-interchangeable problem of load end。
The technical solution adopted in the present invention is:
A kind of RCCB, including housing, the first chamber for installing breaker unit it is provided with and for installing the second chamber of electric leakage unit in described housing, described breaker unit includes tripping mechanism, described electric leakage unit includes the magnetictrip for driving tripping mechanism to thread off, and is additionally provided with wiring board and touch switch in described second chamber, the opening and closing of deciliter described touch switch of control of described tripping mechanism, described touch switch one end is connected with L line, and the other end electrically connects with described wiring board。
Described touch switch includes elastic component, and described elastic component one end electrically connects with described wiring board, and the other end is corresponding with described L line；Described tripping mechanism includes first lever hinged with described inner walls, being provided with the second lever rotated by described first lever drives in described second chamber, when described second lever includes closing a floodgate, top presses described elastic component to make reset when its primary importance electrically connected with described L line and separating brake make described elastic component leave the second position of described L line。
Also include test button, described elastic component include first end corresponding with described L line and be correspondingly arranged with described test button below the second end, described test button by press/rise control described second end be electrically connecting/disconnecting described wiring board。
It is additionally provided with contact indicating mechanism and electric leakage tripping indicating device, described electric leakage tripping indicating device includes the first lever with described housing hinge being arranged in the first chamber, described first lever is provided with the first moving contact, and described housing exterior walls and described first lever are correspondingly provided with watch window。
Described contact indicating mechanism includes the magnetictrip, the second lever and the push rod that are arranged in the second chamber, described push rod is hinged on described second lever and is correspondingly arranged with described magnetictrip, and described push rod upper end is provided with grab and bottom is provided with the first elastic reset part；Described housing is provided with the indication piece of flexible connection, is provided with the second elastic reset part bottom described indication piece, and described indication piece is correspondingly provided with draw-in groove with described grab；Described electric leakage tripping indicating device also includes and the snap close of hinged and described first lever, and described push rod is by second connecting rod and the linkage of described snap close。
Described first elastic reset part is torsion spring, and described second elastic reset part is spring。
Being additionally provided with the second moving contact on described second lever, also include arc-extinguish chamber, described arc-extinguish chamber and described second moving contact are correspondingly arranged。
Described inner walls is also correspondingly provided with for the limited impression with described arc-extinguish chamber snap-fit engagement。
Also including dividing plate, described wiring board side is provided with the relief portion for dodging zero sequence current mutual inductor, and opposite side is correspondingly arranged at above described second moving contact, and described dividing plate is located between described second moving contact and wiring board。
Described magnetictrip and described wiring board are wholely set。
The invention has the beneficial effects as follows: a kind of RCCB, the first chamber for installing breaker unit it is provided with and for installing the second chamber of electric leakage unit in housing, it is provided with tripping mechanism in first chamber, electric leakage unit includes the second lever and for driving tripping mechanism dropout magnetictrip, wiring board and touch switch it is additionally provided with in second chamber, the folding of deciliter control touch switch of tripping mechanism, touch switch one end is connected with L line, and the other end electrically connects with wiring board。Drive when circuit breaker tripping touch switch to disconnect, cut off electric current at circuit front edge of board, use safer, it is achieved power end and load end interchangeability。
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of one embodiment of the invention。
Fig. 2 is the schematic diagram of the first chamber of one embodiment of the invention。
Fig. 3 is the schematic diagram of the second chamber of one embodiment of the invention。
Fig. 4 is the partial schematic diagram of the second chamber of one embodiment of the invention。
Fig. 5 is Fig. 4 A place enlarged drawing。
Fig. 6 is the sectional perspective schematic diagram of one embodiment of the invention。
Fig. 7 is Fig. 6 B place enlarged drawing。
Fig. 8 is the schematic perspective view of elastic component。
Fig. 9 is the sectional perspective schematic diagram of the second chamber of one embodiment of the invention。
Figure 10 is the sectional perspective schematic diagram (not showing dividing plate) of the second chamber of one embodiment of the invention。
Figure 11 is the sectional perspective schematic diagram of the second chamber of one embodiment of the invention。
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described: as shown in the figure, a kind of RCCB, including housing 9, the first chamber 1 for installing breaker unit it is provided with and for installing the second chamber 2 of electric leakage unit in described housing 9, described breaker unit includes tripping mechanism, described electric leakage unit includes the magnetictrip 25 for driving tripping mechanism to thread off, it is additionally provided with wiring board 22 and touch switch 23 in described second chamber 2, the opening and closing of deciliter described touch switch 23 of control of described tripping mechanism, described touch switch 23 one end is connected with L line 3, the other end electrically connects with described wiring board 22。When threading off, push rod is driven by magnetictrip, and then drive the snap close of breaker unit to thread off by second connecting rod, then the first lever rotation, the second lever rotation is driven by first connecting rod 112, second lever is away from the elastic component of conduction, and elastic component resets, and disconnects the connection of L line and wiring board；When closing a floodgate, handle drives the first lever then to drive the second lever, and the second lever pushing elastic component is connected with L line；When threading off here, can be actively drive by the tripping mechanism of breaker unit, it can also be the driving tripping mechanism dropout of electric leakage unit, a kind of RCCB, the first chamber for installing breaker unit it is provided with and for installing the second chamber of electric leakage unit in housing, it is provided with tripping mechanism in first chamber, electric leakage unit includes the second lever and for driving tripping mechanism dropout magnetictrip, wiring board and touch switch it is additionally provided with in second chamber, the folding of deciliter control touch switch of tripping mechanism, touch switch one end is connected with L line, the other end electrically connects with wiring board。Drive when circuit breaker tripping touch switch to disconnect, cut off electric current at circuit front edge of board, use safer, it is achieved power end and load end interchangeability。
In the present invention, as it can be seen, described touch switch 23 includes elastic component 231, described elastic component 231 one end electrically connects with described wiring board 22, and the other end is corresponding with described L line 3；Described tripping mechanism includes first lever 11 hinged with described housing 9 inwall, being provided with the second lever 21 being driven rotation by described first lever 11 in described second chamber 2, when described second lever 21 includes closing a floodgate, the second position that described elastic component 231 makes reset when its primary importance electrically connected with described L line 3 and separating brake make described elastic component 231 leave described L line 3 is pressed on top。Here elastic component is shell fragment。
In the present invention, as shown in the figure, also include test button 4, described elastic component include first end 2311 corresponding with described L line 3 and be correspondingly arranged with described test button 4 below the second end 2312, described test button 4 is electrically connecting/disconnecting described wiring board 22 by pressing/rise described second end 2312 of control。
In the present invention, as shown in the figure, it is additionally provided with contact indicating mechanism and electric leakage tripping indicating device, described electric leakage tripping indicating device includes first lever 11 hinged with described housing 9 being arranged in the first chamber 1, described first lever 11 is provided with the first moving contact 111, and described housing 9 outer wall and described first lever 11 are correspondingly provided with watch window 17。How breaker unit specifically realizes dropout position prior art, repeating no more, when the first lever rotation is threaded off, the coloured moiety of its upper end can be seen from watch window, such as when closing a floodgate, first lever rotates clockwise, it is possible to expose for RED sector color；When separating brake, the first lever rotates counterclockwise, relative, exposes for green color part, can see that the divide-shut brake situation of contact intuitively, and simple in construction is easy to use。
In the present invention, as shown in the figure, described contact indicating mechanism includes magnetictrip the 25, second lever 21 and the push rod 26 that are arranged in the second chamber 2, described push rod 26 is hinged on described second lever 21 and is correspondingly arranged with described magnetictrip 25, and described push rod 26 upper end is provided with grab 261 and bottom is provided with the first elastic reset part 262；Described housing 9 is provided with the indication piece 92 of flexible connection, is provided with the second elastic reset part bottom described indication piece 92, and described indication piece 92 is correspondingly provided with draw-in groove 922 with described grab 261；Described electric leakage tripping indicating device also includes and the snap close 15 of hinged and described first lever 11, and described push rod 26 is linked by second connecting rod 27 and described snap close 15。When threading off, drive push rod by magnetictrip, and then drive the snap close of breaker unit to thread off by second connecting rod, then the first lever rotation, drive the second lever rotation by first connecting rod；When threading off here, can be actively drive by the tripping mechanism of breaker unit, can also be that electric leakage unit drives tripping mechanism to thread off, during electric leakage, the push rod of magnetictrip is released and is promoted push rod, the draw-in groove of grab is left in push rod upper end, and such indication piece stretches out housing exterior walls under the effect of the second elastic component, plays the effect of electric leakage instruction。
In the present invention, as it can be seen, described first elastic reset part 262 is torsion spring, described second elastic reset part is spring。Torsion spring withstands on the bottom of rotating turret so that it is promote counterclockwise, indication piece be pressed lower after, the card on rotating turret is hooked under the active force of torsion spring and drops in draw-in groove。Less costly, it is simple to obtain。
In the present invention, as it can be seen, be additionally provided with the second moving contact 213 on described second lever 21, also including arc-extinguish chamber 215, described arc-extinguish chamber 215 is correspondingly arranged with described second moving contact 213。Arc-extinguish chamber and moving contact are correspondingly arranged。Extinguishing electric arc by arc-extinguish chamber, arc quenching effect is better, uses safer。
In the present invention, as it can be seen, described housing 9 inwall is also correspondingly provided with for the limited impression 91 with described arc-extinguish chamber 215 snap-fit engagement。When installing, it is possible to being connected in limited impression by arc-extinguish chamber, limited impression can also be provided in the groove between two limited blocks for the groove that housing caves in, and assembles more stable, will not arbitrarily rock。
In the present invention, as it can be seen, also include dividing plate 5, described wiring board 22 side is provided with the relief portion 221 for dodging zero sequence current mutual inductor 6, opposite side is correspondingly arranged at above described second moving contact 213, and described dividing plate 5 is located between described second moving contact 213 and wiring board 22。Dividing plate is located between moving contact and wiring board。By being provided above dividing plate at the second moving contact, again wiring board is arranged on above dividing plate, then zero sequence current mutual inductor is arranged on the relief portion of the opposite side of wiring board, add the installing space of zero sequence current mutual inductor, add the insulation gap between circuit, decrease the risk being short-circuited。
In the present invention, as it can be seen, described magnetictrip 25 and described wiring board 22 are wholely set。Magnetictrip is installed in the circuit board, and convenient when assembling, result of use is good。
Embodiment is not construed as limitation of the present invention, but any spiritual improvements introduced based on the present invention, all should within protection scope of the present invention。
Claims (10)
1. a RCCB, including housing (9), the first chamber (1) for installing breaker unit it is provided with and for installing second chamber (2) of electric leakage unit in described housing (9), described breaker unit includes tripping mechanism, described electric leakage unit includes the magnetictrip (25) for driving tripping mechanism to thread off, it is characterized in that: in described second chamber (2), be additionally provided with wiring board (22) and touch switch (23), the folding of deciliter described touch switch of the control (23) of described tripping mechanism, described touch switch (23) one end is connected with L line (3), the other end electrically connects with described wiring board (22)。
2. a kind of RCCB according to claim 1, it is characterised in that: described touch switch (23) includes elastic component (231), and described elastic component (231) one end electrically connects with described wiring board (22), and the other end is corresponding with described L line (3)；Described tripping mechanism includes first lever (11) hinged with described housing (9) inwall, being provided with in described second chamber (2) and driven, by described first lever (11), the second lever (21) rotated, when described second lever (21) includes closing a floodgate, top presses described elastic component (231) to make reset when its primary importance electrically connected with described L line (3) and separating brake make described elastic component (231) leave the second position of described L line (3)。
3. a kind of RCCB according to claim 3, it is characterized in that: also include test button (4), described elastic component includes first end (2311) corresponding with described L line (3) and is correspondingly arranged and second end (2312) of described test button (4) lower section, and described test button (4) is electrically connecting/disconnecting described wiring board (22) by pressing/rise described second end (2312) of control。
4. a kind of RCCB according to claim 2, it is characterized in that: be additionally provided with contact indicating mechanism and electric leakage tripping indicating device, described electric leakage tripping indicating device includes first lever (11) hinged with described housing (9) being arranged in the first chamber (1), described first lever (11) is provided with the first moving contact (111), and described housing (9) outer wall and described first lever (11) are correspondingly provided with watch window (17)。
5. a kind of RCCB according to claim 1, it is characterized in that: described contact indicating mechanism includes the magnetictrip (25), the second lever (21) and the push rod (26) that are arranged in the second chamber (2), described push rod (26) is hinged on described second lever (21) and above and is correspondingly arranged with described magnetictrip (25), and described push rod (26) upper end is provided with grab (261) and bottom is provided with the first elastic reset part (262)；Described housing (9) is provided with the indication piece (92) of flexible connection, and described indication piece (92) bottom is provided with the second elastic reset part, and described indication piece (92) is correspondingly provided with draw-in groove (922) with described grab (261)；Described electric leakage tripping indicating device also includes and the snap close (15) of hinged and described first lever (11), and described push rod (26) is by second connecting rod (27) and described snap close (15) linkage。
6. a kind of RCCB according to claim 3, it is characterised in that: described first elastic reset part (262) is torsion spring, and described second elastic reset part is spring。
7. a kind of RCCB according to claim 3, it is characterized in that: described second lever (21) is additionally provided with the second moving contact (213), also including arc-extinguish chamber (215), described arc-extinguish chamber (215) and described second moving contact (213) are correspondingly arranged。
8. a kind of RCCB according to claim 6, it is characterised in that: described housing (9) inwall is also correspondingly provided with for the limited impression (91) with described arc-extinguish chamber (215) snap-fit engagement。
9. a kind of RCCB according to claim 7, it is characterized in that: also include dividing plate (5), described wiring board (22) side is provided with the relief portion (221) for dodging zero sequence current mutual inductor (6), opposite side is correspondingly arranged at described second moving contact (213) top, and described dividing plate (5) is located between described second moving contact (213) and wiring board (22)。
10. a kind of RCCB according to claim 7, it is characterised in that: described magnetictrip (25) and described wiring board (22) are wholely set。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610190877.0A CN105702535B (en) | 2016-03-30 | 2016-03-30 | A kind of RCCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610190877.0A CN105702535B (en) | 2016-03-30 | 2016-03-30 | A kind of RCCB |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105702535A true CN105702535A (en) | 2016-06-22 |
| CN105702535B CN105702535B (en) | 2017-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610190877.0A Active CN105702535B (en) | 2016-03-30 | 2016-03-30 | A kind of RCCB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105702535B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653500A (en) * | 2017-03-13 | 2017-05-10 | 新驰电气有限公司 | Integrated residual current operated circuit breaker with current leakage indication function |
| CN107342194A (en) * | 2017-08-24 | 2017-11-10 | 乐清市也为电气有限公司 | A kind of experiment press device of RCCB |
| CN107452562A (en) * | 2017-03-20 | 2017-12-08 | 乐清市五环电器有限公司 | The residual current action breaker of the protection with overcurrent with electric leakage instruction |
| CN108122716A (en) * | 2018-01-18 | 2018-06-05 | 温州奥来电器有限公司 | A kind of leakage circuit breakers |
| CN109585232A (en) * | 2018-11-16 | 2019-04-05 | 公牛集团股份有限公司 | A kind of residual current action breaker |
| CN110600347A (en) * | 2019-09-25 | 2019-12-20 | 温州奥来电器有限公司 | 2P electric leakage circuit breaker |
| CN112965006A (en) * | 2019-04-22 | 2021-06-15 | 福建通力达实业有限公司 | Intelligent circuit breaker of long-range networking |
| CN114005710A (en) * | 2020-07-28 | 2022-02-01 | 西门子股份公司 | Electric leakage fault indication mechanism of circuit breaker and circuit breaker |
| WO2022226817A1 (en) * | 2021-04-28 | 2022-11-03 | 浙江沃斯托电气有限公司 | Residual current operated circuit breaker |
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| CN103065885A (en) * | 2013-01-24 | 2013-04-24 | 浙江天正电气股份有限公司 | Novel earth leakage circuit breaker |
| JP2013246997A (en) * | 2012-05-28 | 2013-12-09 | Tempearl Ind Co Ltd | Circuit breaker |
| CN205452213U (en) * | 2016-03-30 | 2016-08-10 | 浙江天正电气股份有限公司 | Electric leakage circuit breaker with touch switch |
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| CN102136401A (en) * | 2011-03-24 | 2011-07-27 | 浙江天正电气股份有限公司 | Miniature circuit breaker with leakage protection function |
| JP2013246997A (en) * | 2012-05-28 | 2013-12-09 | Tempearl Ind Co Ltd | Circuit breaker |
| CN103065885A (en) * | 2013-01-24 | 2013-04-24 | 浙江天正电气股份有限公司 | Novel earth leakage circuit breaker |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653500A (en) * | 2017-03-13 | 2017-05-10 | 新驰电气有限公司 | Integrated residual current operated circuit breaker with current leakage indication function |
| CN107452562A (en) * | 2017-03-20 | 2017-12-08 | 乐清市五环电器有限公司 | The residual current action breaker of the protection with overcurrent with electric leakage instruction |
| CN107342194A (en) * | 2017-08-24 | 2017-11-10 | 乐清市也为电气有限公司 | A kind of experiment press device of RCCB |
| CN108122716A (en) * | 2018-01-18 | 2018-06-05 | 温州奥来电器有限公司 | A kind of leakage circuit breakers |
| CN108122716B (en) * | 2018-01-18 | 2023-11-17 | 温州奥来电器有限公司 | Leakage circuit breaker |
| CN109585232A (en) * | 2018-11-16 | 2019-04-05 | 公牛集团股份有限公司 | A kind of residual current action breaker |
| CN112965006A (en) * | 2019-04-22 | 2021-06-15 | 福建通力达实业有限公司 | Intelligent circuit breaker of long-range networking |
| CN112965006B (en) * | 2019-04-22 | 2022-04-01 | 福建通力达实业有限公司 | Intelligent circuit breaker of long-range networking |
| CN110600347A (en) * | 2019-09-25 | 2019-12-20 | 温州奥来电器有限公司 | 2P electric leakage circuit breaker |
| CN114005710A (en) * | 2020-07-28 | 2022-02-01 | 西门子股份公司 | Electric leakage fault indication mechanism of circuit breaker and circuit breaker |
| WO2022226817A1 (en) * | 2021-04-28 | 2022-11-03 | 浙江沃斯托电气有限公司 | Residual current operated circuit breaker |
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| Publication number | Publication date |
|---|---|
| CN105702535B (en) | 2017-10-20 |
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