CN104183434B - A kind of residual current circuit breaker with reverse wiring structure - Google Patents
A kind of residual current circuit breaker with reverse wiring structure Download PDFInfo
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- CN104183434B CN104183434B CN201410338154.1A CN201410338154A CN104183434B CN 104183434 B CN104183434 B CN 104183434B CN 201410338154 A CN201410338154 A CN 201410338154A CN 104183434 B CN104183434 B CN 104183434B
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- moving contact
- electrically connected
- tripping device
- zero line
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Abstract
The present invention relates to a kind of residual current circuit breaker with reverse wiring structure.Mainly solve existing residual current circuit breaker in reverse wiring situation, when there is leak current fault, leakage tripping device coil can be damaged, causing the problem that useful life reduces.Comprise shell, operating mechanism, contact mechanism, leakage tripping device, binding post, live wire and zero line, it is extremely dynamic that contact mechanism comprises L, fixed contact and N are extremely dynamic, fixed contact, binding post comprises L pole and enters, outlet terminal and N pole are entered, outlet terminal, live wire one end is connected with leakage tripping device, zero line one end is connected with release one end by wiring board control circuit, the other end of live wire is electrically connected with L pole outlet terminal, the other end of zero line is electrically connected by off mechanism with N pole moving contact or is separated, leakage tripping device action drive on off mechanism control zero line and N pole moving contact electrically separated, contact mechanism closes a floodgate and drives on off mechanism control zero line to be electrically connected with N pole moving contact.Because this residual current circuit breaker is provided with on off mechanism, even if reverse wiring situation appears in user, when occurring leak current fault, leakage tripping device action cuts off the supply power voltage of release by off mechanism, avoid damaging residual current circuit breaker, effectively ensure the normal use of coil.
Description
Technical field
The present invention relates to a kind of circuit breaker, refer in particular to a kind of residual current circuit breaker with reverse wiring structure.
Background technology
The supply power voltage of the leakage tripping device of existing residual current circuit breaker is connected with leading-out terminal, live wire one end is connected with leakage tripping device, zero line one end is connected with release one end by wiring board control circuit, the L pole of leading-out terminal and N pole supply power voltage are to leakage tripping device, user in use, easy mistake is connected on the two poles of the earth of electrical network on leading-out terminal, when there is leak current fault, leading-out terminal is in power supply to leakage tripping device always, therefore, the coil of leakage tripping device can be damaged, cause reduce the useful life of leakage tripping device.
Summary of the invention
In order to overcome shortcoming and the weak point of background technology, the invention provides a kind of residual current circuit breaker with reverse wiring structure, solving existing residual current circuit breaker in reverse wiring situation, when there is leak current fault, leakage tripping device coil can be damaged, cause the problem that useful life reduces.
Technical scheme of the present invention is: a kind of residual current circuit breaker with reverse wiring structure, comprise shell, operating mechanism, contact mechanism, leakage tripping device and binding post, described contact mechanism comprises L pole moving contact, L pole fixed contact, N pole moving contact and N pole fixed contact, described L pole moving contact and N pole moving contact are connected, described binding post comprises L pole input terminal, L pole outlet terminal, N pole input terminal and N pole outlet terminal, also comprise live wire and zero line, described live wire one end is connected with leakage tripping device, described zero line one end is connected with leakage tripping device one end by wiring board control circuit, the other end of described live wire is electrically connected with L pole outlet terminal, the other end of described zero line is electrically connected by off mechanism with N pole moving contact or is separated, described leakage tripping device action drive on off mechanism to control zero line and N pole moving contact electrically separated, described contact mechanism closes a floodgate and drives on off mechanism control zero line to be electrically connected with N pole moving contact.
Described on off mechanism comprises support, torsion spring and pivoted arm, described pivoted arm is articulated with on support, described torsion spring set is located on pivoted arm, one end of described torsion spring is electrically connected with zero line through support, the other end passes pivoted arm and is electrically connected with N pole moving contact or is separated, described leakage tripping device action drives pivoted arm to rotate to form torsion spring electrically separated with N pole moving contact, and described contact mechanism closes a floodgate and drives pivoted arm to rotate formation torsion spring to be electrically connected with N pole moving contact.
Described support is provided with fixed lever, and described pivoted arm is provided with draw-in groove, and one end of described torsion spring slips over fixed lever surface and is electrically connected with zero line, and the other end is electrically connected through draw-in groove with N pole moving contact or is separated,
Be electrically connected by bindiny mechanism between described torsion spring with N pole moving contact or be separated, described bindiny mechanism comprises conducting rod, extension spring, and described conducting rod is installed on shell, and its one end contacts with torsion spring or is separated, and the other end is electrically connected with N pole moving contact by extension spring.
Described live wire welds with L pole outlet terminal.
Described operating mechanism comprises snap close, and described snap close is provided with bearing pin, and described pivoted arm is provided with the card splenium matched with described bearing pin.
Described support is provided with and is hinged with lever, and the side of described lever is corresponding with leakage tripping device, opposite side and the press-fit of pivoted arm top, and residual current circuit breaker action rotates formation torsion spring by lever drives pivoted arm and conducting rod is separated.
the present invention has following beneficial effect:because this residual current circuit breaker is provided with on off mechanism, even if reverse wiring situation appears in user, when occurring leak current fault, leakage tripping device action cuts off the supply power voltage of release by off mechanism, avoid damaging residual current circuit breaker, effectively ensure the normal use of coil.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of opposite side of the present invention.
Fig. 3 is structural representation of the present invention.
Fig. 4 is the schematic enlarged-scale view at I place in the present invention.
Fig. 5 is the structural representation of pivoted arm in the present invention.
In figure, shell 1, leakage tripping device 2, L pole moving contact 3, fixed contact 6, L pole, moving contact 5, N pole, fixed contact 4, N pole, L pole input terminal 7, input terminal 9, N pole, outlet terminal 8, N pole, L pole outlet terminal 10, live wire 11, zero line 12, support 13, torsion spring 14, pivoted arm 15, fixed lever 16, draw-in groove 17, conducting rod 18, extension spring 19, snap close 20, bearing pin 21, card splenium 22, lever 23.
Embodiment
For accompanying drawing, embodiments of the invention are described further below:
As shown in the figure, a kind of residual current circuit breaker with reverse wiring structure, comprise shell 1, operating mechanism, contact mechanism, leakage tripping device 2 and binding post, described contact mechanism comprises L pole moving contact 3, L pole fixed contact 4, N pole moving contact 5 and N pole fixed contact 6, described L pole moving contact 3 and N pole moving contact 5 are connected, described binding post comprises L pole input terminal 7, L pole outlet terminal 8, N pole input terminal 9 and N pole outlet terminal 10, also comprise live wire 11 and zero line 12, described live wire 11, one end of zero line 12 is connected with leakage tripping device 2 respectively, the other end of described live wire 11 is electrically connected with L pole outlet terminal 8, this live wire 11 welds mutually with L pole outlet terminal 8, the other end of described zero line 12 is electrically connected by off mechanism with N pole moving contact 5 or is separated, described leakage tripping device 2 action drive on off mechanism to control zero line and N pole moving contact 5 electrically separated, described contact mechanism closes a floodgate and drives on off mechanism control zero line 11 to be electrically connected with N pole moving contact 5.The power supply electric wire live wire of leakage tripping device, zero line, live wire is electrically connected with L pole outlet terminal, and zero line is controlled by off mechanism, and on off mechanism matches with the disconnected release of leakage, when there is leak current fault, leakage tripping device action, drives on off mechanism action, control zero line and N pole moving contact electrically separated, cut off supply power voltage, after electric leakage is removed, handle strip dynamic contact mechanism closes a floodgate, thus drives on off mechanism control zero line to be electrically connected with N pole moving contact.According to such scheme, because this residual current circuit breaker is provided with on off mechanism, when occurring leak current fault, leakage tripping device action cuts off the supply power voltage of release by off mechanism, avoids damaging residual current circuit breaker, effectively ensures the normal use of coil.
In the present embodiment, described on off mechanism comprises support 13, torsion spring 14 and pivoted arm 15, described pivoted arm 15 is articulated with on support 13, described torsion spring 14 is sheathed on pivoted arm 15, one end of described torsion spring 14 is electrically connected with zero line 12 through support 13, the other end passes pivoted arm 15 and is electrically connected with N pole moving contact 5 or is separated, it is electrically separated with N pole moving contact 5 that described leakage tripping device 2 action drives pivoted arm 15 to rotate formation torsion spring 13, and described contact mechanism combined floodgate drives pivoted arm 15 to rotate formation torsion spring 14 and is electrically connected with N pole moving contact 5.One end of torsion spring is electrically connected with zero line, the other end is rotated by pivoted arm and to be electrically connected with N pole moving contact or electrically separated, "on" position, pivoted arm compression torsion spring is electrically connected with N pole moving contact, during leak current fault, because pivoted arm matches with snap close, leakage tripping device action top pressure pivoted arm rotarily drives snap close tripping, pivoted arm resets under the effect of torsion spring, make torsion spring and N pole moving contact electrically separated, described operating mechanism comprises snap close 20, described snap close 20 is provided with bearing pin 21, described pivoted arm 15 is provided with the card splenium 22 matched with described bearing pin 21, matched with the bearing pin on snap close by the card splenium of pivoted arm, when electric leakage is threaded off, pivoted arm rotates, promoting bearing pin by card splenium makes snap close rotate, remove the locking to tripping, actuating mechanism is tripped.Adopt the on off mechanism of said structure, there is good stability, rational in infrastructure, the advantage that fail safe is high.
In the present embodiment, described support 13 is provided with fixed lever 16, described pivoted arm 15 is provided with draw-in groove 17, and one end of described torsion spring 14 slips over fixed lever 16 surface and is electrically connected with zero line 11, and the other end is electrically connected through draw-in groove 17 with N pole moving contact 5 or is separated.By installing fixed lever on support, one end of torsion spring is blocked mutually with fixed lever, and the other end is stuck in draw-in groove, realizes the object of pivoted arm elastic reset, has advantage that is rational in infrastructure, good stability.
In the present embodiment, be electrically connected by bindiny mechanism between described torsion spring 14 with N pole moving contact 5 or be separated, described bindiny mechanism comprises conducting rod 18, extension spring 19, described conducting rod 18 is installed on shell 1, its one end contacts with torsion spring 14 or is separated, and the other end is electrically connected with N pole moving contact 5 by extension spring 19.By arranging conducting rod on shell, conducting rod is electrically connected with N pole moving contact by extension spring, and break-make is effective.
In the present embodiment, described support 13 is provided with and is hinged with lever 23, the side of described lever 23 is corresponding with leakage tripping device 2, and opposite side and pivoted arm 15 push up press-fit, and leakage tripping device 2 action drives pivoted arm 15 to rotate formation torsion spring 14 by lever 23 and is separated with conducting rod 18.Leakage tripping device action, is pressed on pivoted arm by lever top, and pivoted arm drives snap close tripping by bearing pin, thus pivoted arm is rotated, and torsion spring and conducting rod are separated.
Embodiment should not be considered as the restriction to invention, but anyly done based on spirit of the present invention
Improvement, all should within protection scope of the present invention.
Claims (6)
1. one kind has the residual current circuit breaker of reverse wiring structure, comprise shell (1), operating mechanism, contact mechanism, leakage tripping device (2) and binding post, described contact mechanism comprises L pole moving contact (3), L pole fixed contact (4), N pole moving contact (5) and N pole fixed contact (6), described L pole moving contact (3) and N pole moving contact (5) are connected, described binding post comprises L pole input terminal (7), L pole outlet terminal (8), N pole input terminal (9) and N pole outlet terminal (10), it is characterized in that: also comprise live wire (11) and zero line (12), described live wire (11) one end is connected with leakage tripping device (2), described zero line one end is connected with leakage tripping device (2) one end by wiring board control circuit, the other end of described live wire (11) is electrically connected with L pole outlet terminal (8), the other end of described zero line (12) is electrically connected by off mechanism with N pole moving contact (5) or is separated, described leakage tripping device (2) action drive on off mechanism control zero line and N pole moving contact (5) electrically separated, described contact mechanism closes a floodgate and drives on off mechanism control zero line (12) to be electrically connected with N pole moving contact (5), described on off mechanism comprises support (13), torsion spring (14) and pivoted arm (15), described pivoted arm (15) is articulated with on support (13), described torsion spring (14) is sheathed on pivoted arm (15), one end of described torsion spring (14) is electrically connected with zero line (12) through support (13), the other end passes pivoted arm (15) and is electrically connected with N pole moving contact (5) or is separated, it is electrically separated with N pole moving contact (5) that described leakage tripping device (2) action drives pivoted arm (15) rotation to form torsion spring (14), described contact mechanism closes a floodgate and drives pivoted arm (15) rotation formation torsion spring (14) to be electrically connected with N pole moving contact (5).
2. the residual current circuit breaker with reverse wiring structure according to claim 1, it is characterized in that: described support (13) is provided with fixed lever (16), described pivoted arm (15) is provided with draw-in groove (17), one end of described torsion spring (14) slips over fixed lever (16) surface and is electrically connected with zero line (12), and the other end is electrically connected through draw-in groove (17) with N pole moving contact (5) or is separated.
3. the residual current circuit breaker with reverse wiring structure according to claim 1 and 2, it is characterized in that: be electrically connected by bindiny mechanism between described torsion spring (14) with N pole moving contact (5) or be separated, described bindiny mechanism comprises conducting rod (18), extension spring (19), described conducting rod (18) is installed on shell (1), its one end contacts with torsion spring (14) or is separated, and the other end is electrically connected with N pole moving contact (5) by extension spring (19).
4. the residual current circuit breaker with reverse wiring structure according to claim 1 and 2, is characterized in that: described live wire (11) welds with L pole outlet terminal (8).
5. the residual current circuit breaker with reverse wiring structure according to claim 1 and 2, it is characterized in that: described operating mechanism comprises snap close (20), described snap close (20) is provided with bearing pin (21), described pivoted arm (15) is provided with the card splenium (22) matched with described bearing pin (21).
6. the residual current circuit breaker with reverse wiring structure according to claim 3, it is characterized in that: described support (13) is hinged with lever (23), the side of described lever (23) is corresponding with leakage tripping device (2), opposite side and pivoted arm (15) push up press-fit, and leakage tripping device (2) action drives pivoted arm (15) to rotate formation torsion spring (14) by lever (23) and is separated with conducting rod (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338154.1A CN104183434B (en) | 2014-07-16 | 2014-07-16 | A kind of residual current circuit breaker with reverse wiring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338154.1A CN104183434B (en) | 2014-07-16 | 2014-07-16 | A kind of residual current circuit breaker with reverse wiring structure |
Publications (2)
| Publication Number | Publication Date |
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| CN104183434A CN104183434A (en) | 2014-12-03 |
| CN104183434B true CN104183434B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410338154.1A Active CN104183434B (en) | 2014-07-16 | 2014-07-16 | A kind of residual current circuit breaker with reverse wiring structure |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106373833B (en) * | 2016-11-02 | 2018-07-24 | 乐清市也为电气有限公司 | It is a kind of can positive and negative wiring leakage circuit breakers |
| CN207367899U (en) * | 2017-11-07 | 2018-05-15 | 施耐德电气工业公司 | The low-voltage distribution equipment of predetermined state can be detected |
| CN108155067B (en) * | 2018-02-02 | 2024-01-26 | 温州奥来电器有限公司 | Electric leakage circuit breaker with disconnectable live wire and zero line |
| CN108493061A (en) * | 2018-05-23 | 2018-09-04 | 广东珠电气科技有限公司 | One kind preventing reversed highly reliable leakage circuit breakers |
| CN112863963B (en) * | 2021-01-14 | 2022-08-05 | 浙江益合智能科技有限公司 | Earth leakage circuit breaker |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0103167B1 (en) * | 1982-08-19 | 1987-11-11 | BROWN, BOVERI & CIE Aktiengesellschaft | Circuit breaker with leakage current release |
| DE19903911B4 (en) * | 1999-02-01 | 2004-09-23 | Ge Power Controls Polska Sp.Z.O.O. | Tripping device for switches and switch contact arrangement |
| CN2604773Y (en) * | 2003-03-02 | 2004-02-25 | 新艺集团有限公司 | Invertible wiring electrical leakage breaker |
| CN2749047Y (en) * | 2004-07-26 | 2005-12-28 | 浙江德力西电器股份有限公司 | Bipolar earth leakage circuit breaker |
| CN2809865Y (en) * | 2005-07-06 | 2006-08-23 | 厦门宏美电子有限公司 | Leakage circuit breaker capable of both-way accessing power supply |
| CN102194619B (en) * | 2010-03-16 | 2014-08-13 | 施耐德电器工业公司 | Test device for circuit breaker and circuit breaker with test device |
| CN103065885B (en) * | 2013-01-24 | 2015-06-03 | 浙江天正电气股份有限公司 | Novel earth leakage circuit breaker |
| CN203983204U (en) * | 2014-07-16 | 2014-12-03 | 浙江天正电气股份有限公司 | A kind of residual current circuit breaker with reverse wiring structure |
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