CN104183434A - Electric-leakage circuit breaker with reverse-wiring structure - Google Patents
Electric-leakage circuit breaker with reverse-wiring structure Download PDFInfo
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- CN104183434A CN104183434A CN201410338154.1A CN201410338154A CN104183434A CN 104183434 A CN104183434 A CN 104183434A CN 201410338154 A CN201410338154 A CN 201410338154A CN 104183434 A CN104183434 A CN 104183434A
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Abstract
The invention relates to an electric-leakage circuit breaker with a reverse-wiring structure and mainly solves a problem, which exists in the prior electric-leakage circuit breakers, that under a reverse wiring condition, when an electric-leakage fault happens, a coil of an electric-leakage release is damaged so that reduction of service life is caused. The electric-leakage circuit breaker includes a casing, an operation mechanism, a contact mechanism, an electric-leakage release, connection terminals, a live line and a zero line. The contact mechanism includes L-pole moving and static contacts and N-pole moving and static contacts. The connection terminals include L-pole wire inlet and wire outlet terminals and N-pole wire inlet and wire outlet terminals. One end of the live line is connected with the electric-leakage release and one end of the zero line is connected with one end of the release through a circuit board control line. The other end of the live line is electrically connected with the L-pole wire outlet terminal and the other end of the zero line is electrically connected or disconnected with the N-pole moving contact through an on-off mechanism. The electric-leakage release moves and drives the on-off mechanism to control the zero line to be electrically disconnected with the N-pole moving contact. The contact mechanism switches on and drives the on-off mechanism to control the zero line to be electrically connected with the N-pole moving contact. Because the electric-leakage circuit breaker is provided with the on-off mechanism, even if a reverse wiring condition of a user happens, when an electric-leakage fault happens, the electric-leakage release moves and can cut off a power supplying voltage of the release through the on-off mechanism so that damage of the electric-leakage circuit breaker is prevented and normal use of the coil is ensured.
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 to be 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 utmost point of leading-out terminal and N utmost point supply power voltage are to leakage tripping device, user in use, easily mistake is connected on the two poles of the earth of electrical network on leading-out terminal, in the time there is leak current fault, leading-out terminal is always in powering to leakage tripping device, therefore, can damage the coil of leakage tripping device, 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, solve existing residual current circuit breaker in reverse wiring situation, in the time there is leak current fault, can damage leakage tripping device coil, cause the problem reducing useful life.
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 utmost point moving contact, L utmost point fixed contact, N utmost point moving contact and N utmost point fixed contact, described L utmost point moving contact and N utmost point moving contact are connected, described binding post comprises L utmost point input terminal, L utmost point outlet terminal, N utmost point input terminal and N utmost point 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 utmost point outlet terminal, the other end of described zero line is electrically connected or separates with N utmost point moving contact by off mechanism, described leakage tripping device action drives on off mechanism control zero line to separate with N utmost point moving contact electricity, described contact mechanism closes a floodgate and drives on off mechanism control zero line to be electrically connected with N utmost point 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 is electrically connected or separates through pivoted arm and with N utmost point moving contact, described leakage tripping device action drives pivoted arm to rotate to form torsion spring and separates with N utmost point moving contact electricity, and described contact mechanism combined floodgate drives pivoted arm to rotate to form torsion spring and is electrically connected with N utmost point moving contact.
On described support, fixed lever is installed, 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 or separates with N utmost point moving contact through draw-in groove,
Between described torsion spring and N utmost point moving contact, be electrically connected or separated by bindiny mechanism, described bindiny mechanism comprises conducting rod, extension spring, and described conducting rod is installed on shell, and its one end contacts or separates with torsion spring, and the other end is electrically connected with N utmost point moving contact by extension spring.
Described live wire and the welding of L utmost point outlet terminal.
Described operating mechanism comprises snap close, on described snap close, bearing pin is installed, and described pivoted arm is provided with the card splenium matching with described bearing pin.
Described support is provided with and is hinged with lever, and a side of described lever is corresponding with leakage tripping device, opposite side and the interference fit of pivoted arm top, and residual current circuit breaker action forms torsion spring by the rotation of 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, in the time there is leak current fault, leakage tripping device action can be cut off by off mechanism the supply power voltage of release, avoid damaging residual current circuit breaker, effectively ensure the normal use of coil.
Brief description of the drawings
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 structure enlarged drawing 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 utmost point moving contact 3, L utmost point fixed contact 4, N utmost point moving contact 5, N utmost point fixed contact 6, L utmost point input terminal 7, L utmost point outlet terminal 8, N utmost point input terminal 9, N utmost point 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 utmost point moving contact 3, L utmost point fixed contact 4, N utmost point moving contact 5 and N utmost point fixed contact 6, described L utmost point moving contact 3 and N utmost point moving contact 5 are connected, described binding post comprises L utmost point input terminal 7, L utmost point outlet terminal 8, N utmost point input terminal 9 and N utmost point 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 utmost point outlet terminal 8, this live wire 11 welds mutually with L utmost point outlet terminal 8, the other end of described zero line 12 is electrically connected or separates with N utmost point moving contact 5 by off mechanism, described leakage tripping device 2 actions drive on off mechanism control zero line and N utmost point moving contact 5 electric separation, described contact mechanism closes a floodgate and drives on off mechanism control zero line 11 to be electrically connected with N utmost point moving contact 5.The power supply electric wire live wire of leakage tripping device, zero line, live wire is electrically connected with L utmost point outlet terminal, and zero line is by off mechanism control, and on off mechanism matches with the disconnected release of leakage, in the time there is leak current fault, leakage tripping device action, drives on off mechanism action, controls zero line and separates with N utmost point moving contact electricity, cut off supply power voltage, after electric leakage is removed, handle band dynamic contact mechanism closes a floodgate, thereby drives on off mechanism control zero line to be electrically connected with N utmost point moving contact.According to such scheme, because this residual current circuit breaker is provided with on off mechanism, in the time there is leak current fault, leakage tripping device action can be cut off by off mechanism the supply power voltage of release, 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 or separates with N utmost point moving contact 5, described leakage tripping device 2 actions drive pivoted arm 15 to rotate to form torsion spring 13 and N utmost point moving contact 5 electric separation, and described contact mechanism combined floodgate drives pivoted arm 15 to rotate to form torsion spring 14 and is electrically connected with N utmost point moving contact 5.One end of torsion spring is electrically connected with zero line, the other end rotates and the electrical connection of N utmost point moving contact or electric separation by pivoted arm, "on" position, pivoted arm compression torsion spring is electrically connected with N utmost point moving contact, when leak current fault, because pivoted arm matches with snap close, leakage tripping device action top presses pivoted arm to rotarily drive snap close tripping, pivoted arm resets under the effect of torsion spring, torsion spring is separated with N utmost point moving contact electricity, described operating mechanism comprises snap close 20, on described snap close 20, bearing pin 21 is installed, described pivoted arm 15 is provided with the card splenium 22 matching with described bearing pin 21, card splenium by pivoted arm matches with the bearing pin on snap close, when electric leakage is threaded off, pivoted arm rotation, promoting bearing pin by card splenium rotates snap close, remove the locking to tripping, make actuating mechanism tripping operation.The on off mechanism that adopts said structure, has good stability, advantage rational in infrastructure, safe.
In the present embodiment, on described support 13, fixed lever 16 is installed, described pivoted arm 15 is provided with draw-in groove 17, and one end of described torsion spring 14 slips over fixed lever 16 surfaces and is electrically connected with zero line 11, and the other end is electrically connected or separates with N utmost point moving contact 5 through draw-in groove 17.By fixed lever is installed on support, block mutually with fixed lever one end of torsion spring, and the other end is stuck in draw-in groove, realizes the object of pivoted arm elastic reset, has advantages of rational in infrastructure, good stability.
In the present embodiment, between described torsion spring 14 and N utmost point moving contact 5, be electrically connected or separate by bindiny mechanism, described bindiny mechanism comprises conducting rod 18, extension spring 19, described conducting rod 18 is installed on shell 1, its one end contacts or separates with torsion spring 14, and the other end is electrically connected with N utmost point moving contact 5 by extension spring 19.By conducting rod is set on shell, conducting rod is electrically connected with N utmost point 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, one side of described lever 23 is corresponding with leakage tripping device 2, opposite side and pivoted arm 15 top interference fits, and leakage tripping device 2 moves and drives pivoted arm 15 rotation formation torsion springs 14 to be separated with conducting rod 18 by lever 23.Leakage tripping device action, is pushed up and is pressed on pivoted arm by lever, and pivoted arm drives snap close tripping by bearing pin, thereby makes pivoted arm rotation, and torsion spring and conducting rod are separated.
Embodiment should not be considered as the restriction to invention, but anyly does based on spirit institute of the present invention
Improvement, all should be within protection scope of the present invention.
Claims (7)
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 utmost point moving contact (3), L utmost point fixed contact (4), N utmost point moving contact (5) and N utmost point fixed contact (6), described L utmost point moving contact (3) and N utmost point moving contact (5) are connected, described binding post comprises L utmost point input terminal (7), L utmost point outlet terminal (8), N utmost point input terminal (9) and N utmost point 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 utmost point outlet terminal (8), the other end of described zero line (12) is electrically connected or separates with N utmost point moving contact (5) by off mechanism, described leakage tripping device (2) action drives on off mechanism control zero line to separate with N utmost point moving contact (5) electricity, described contact mechanism closes a floodgate and drives on off mechanism control zero line (11) to be electrically connected with N utmost point moving contact (5).
2. the residual current circuit breaker with reverse wiring structure according to claim 1, it is characterized in that: 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 is electrically connected or separates through pivoted arm (15) and with N utmost point moving contact (5), described leakage tripping device (2) action drives pivoted arm (15) to rotate to form torsion spring (13) and separates with N utmost point moving contact (5) electricity, described contact mechanism combined floodgate drives pivoted arm (15) to rotate to form torsion spring (14) and is electrically connected with N utmost point moving contact (5).
3. the residual current circuit breaker with reverse wiring structure according to claim 2, it is characterized in that: fixed lever (16) is installed on described support (13), 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 (11), and the other end is electrically connected or separates with N utmost point moving contact (5) through draw-in groove (17).
4. according to the residual current circuit breaker with reverse wiring structure described in claim 2 or 3, it is characterized in that: between described torsion spring (14) and N utmost point moving contact (5), be electrically connected or separate by bindiny mechanism, described bindiny mechanism comprises conducting rod (18), extension spring (19), described conducting rod (18) is installed on shell (1), its one end contacts or separates with torsion spring (14), and the other end is electrically connected with N utmost point moving contact (5) by extension spring (19).
5. according to the residual current circuit breaker with reverse wiring structure described in claim 1 or 2 or 3, it is characterized in that: described live wire (11) and L utmost point outlet terminal (8) welding.
6. according to the residual current circuit breaker with reverse wiring structure described in claim 2 or 3, it is characterized in that: described operating mechanism comprises snap close (20), bearing pin (21) is installed on described snap close (20), and described pivoted arm (15) is provided with the card splenium (22) matching with described bearing pin (21).
7. the residual current circuit breaker with reverse wiring structure according to claim 4, it is characterized in that: described support (13) is provided with and is hinged with lever (23), one side of described lever (23) is corresponding with leakage tripping device (2), opposite side and pivoted arm (15) top interference fit, leakage tripping device (2) action drives pivoted arm (15) rotation to form 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 true CN104183434A (en) | 2014-12-03 |
| CN104183434B 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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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106373833A (en) * | 2016-11-02 | 2017-02-01 | 乐清市也为电气有限公司 | Electric leakage circuit breaker capable of being positively and reversely wired |
| CN108155067A (en) * | 2018-02-02 | 2018-06-12 | 乐清市也为电气有限公司 | The leakage circuit breakers that a kind of firewire and zero curve can all disconnect |
| 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 |
| WO2019091405A1 (en) * | 2017-11-07 | 2019-05-16 | 施耐德电气工业公司 | Low-voltage power distribution device capable of detecting predetermined state |
| CN110880440A (en) * | 2019-11-26 | 2020-03-13 | 德力西电气有限公司 | Leakage protection link gear and leakage protection circuit breaker |
| CN112863963A (en) * | 2021-01-14 | 2021-05-28 | 浙江益合智能科技有限公司 | Earth leakage circuit breaker |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106373833A (en) * | 2016-11-02 | 2017-02-01 | 乐清市也为电气有限公司 | Electric leakage circuit breaker capable of being positively and reversely wired |
| WO2018082386A1 (en) * | 2016-11-02 | 2018-05-11 | 乐清市也为电气有限公司 | Earth-leakage circuit breaker capable of being forwardly and reversely wired |
| 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 |
| WO2019091405A1 (en) * | 2017-11-07 | 2019-05-16 | 施耐德电气工业公司 | Low-voltage power distribution device capable of detecting predetermined state |
| RU2742134C1 (en) * | 2017-11-07 | 2021-02-02 | Шнейдер Электрик Эндюстри Сас | Low-voltage power distributing apparatus configured to detect predetermined state |
| CN108155067A (en) * | 2018-02-02 | 2018-06-12 | 乐清市也为电气有限公司 | The leakage circuit breakers that a kind of firewire and zero curve can all disconnect |
| 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 |
| CN108493061B (en) * | 2018-05-23 | 2024-05-10 | 广东一珠电气科技有限公司 | Anti-reverse high-reliability leakage circuit breaker |
| CN110880440A (en) * | 2019-11-26 | 2020-03-13 | 德力西电气有限公司 | Leakage protection link gear and leakage protection circuit breaker |
| CN112863963A (en) * | 2021-01-14 | 2021-05-28 | 浙江益合智能科技有限公司 | Earth leakage circuit breaker |
| CN112863963B (en) * | 2021-01-14 | 2022-08-05 | 浙江益合智能科技有限公司 | Earth leakage circuit breaker |
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| CN104183434B (en) | 2016-01-13 |
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