CN104851759B - Earth leakage protective device - Google Patents
Earth leakage protective device Download PDFInfo
- Publication number
- CN104851759B CN104851759B CN201410056899.9A CN201410056899A CN104851759B CN 104851759 B CN104851759 B CN 104851759B CN 201410056899 A CN201410056899 A CN 201410056899A CN 104851759 B CN104851759 B CN 104851759B
- Authority
- CN
- China
- Prior art keywords
- release lever
- button
- tripping
- initial position
- 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.)
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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
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/58—Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide
Abstract
A kind of earth leakage protective device, including：Release lever (5)；Coil block, is configured to make the release lever (5) turn to trip positions from initial position, to realize circuit breaker tripping；And button assembly, it is configured to the release lever (5) is turned to the initial position from the trip positions.According to the earth leakage protective device of the disclosure, there is simplified structure, reduce production cost, while keep the function of leakage protection module.
Description
Technical field
Embodiment of the disclosure is related to earth leakage protective device field, more particularly, to a kind of leakage protection module structure.
Background technology
When insulation, which occurs, for electric wiring or equipment is damaged, once these insulation damaged parts of human contact, will formation pair
Ground short circuit, that is, leak electricity, and threatens to personal safety.The reason for causing shorted to earth is also possible to be electric wiring or equipment
Because the energy release of the formation such as high temperature, electric arc, if excluded not in time, may cause electrical fire.Earth leakage protective device is
A kind of important protective device that person electric shock or electrical fire are prevented in electric wiring or the generation shorted to earth of equipment.
When shorted to earth occurs for electric wiring or equipment, abnormal curtage signal will be presented in circuit.Electric leakage
Protective device promotes executing agency to act, so as to exclude possibility by detecting, handling these abnormal currents or voltage signal
Danger.In general, earth leakage protective device is to promote circuit breaker trip so as to cut by the leakage current in measure loop
Deenergizing realizes protection.Common earth leakage protective device by zero-sequence mutual inductance Coil Detector to leakage current drive electromagnetism
The relay of formula, since energy is smaller so one stored energy mechanism of needs, makes stored up energy discharge to drive circuit breaker tripping.
Stored energy mechanism is typically mechanical torsional spring.As shown in Figure 1, be earth leakage protective device modular structure of the prior art, wherein tripping
11 are in lap position with lock 12, and operator drives connecting rod 14 by handle 13, by tripping 11, latch 12, further band
Motivation frame rotates, and drives mechanical torsional spring 16 to compress in rack rotary course, completes energy storage.Work as line failure, zero sequence is mutual
When feeling Coil Detector to leakage current, tripping 11 and the separation of lock 12, torsional spring power are released, and rack is under the action of torsional spring power
Make circuit breaker tripping, so that cutting off circuit realizes protection.
But such leakage protection module structure, number of parts is more, of high cost, it is necessary to a kind of new earth leakage protective mould
Block structure, in order to simplify structure, reduces production cost, while keep the function of leakage protection module.
The content of the invention
For defect existing in the prior art, the first purpose of embodiment of the disclosure is the provision of a kind of simplification
Stored energy mechanism is not required in earth leakage protective device module, the earth leakage protective device module.
According to one embodiment of the disclosure, there is provided a kind of earth leakage protective device, including：Release lever；Coil block, matches somebody with somebody
Put for making the release lever turn to trip positions from initial position, to realize circuit breaker tripping；And button assembly, configuration
For making the release lever turn to the initial position from the trip positions.
A kind of earth leakage protective device provided according to another embodiment of the disclosure, wherein the button assembly includes：
Tripping, is configured to the release lever being maintained at the trip positions, and button, is configured to when pressing by described
Tripping makes the release lever turn to the initial position from the trip positions.
A kind of earth leakage protective device provided according to another embodiment of the disclosure, wherein the coil block includes：
Coil, is configured to produce electromagnetic force, and striker in conducting, be configured to hit under the action of the electromagnetic force described in
The first end of release lever, makes the release lever turn to the trip positions from the initial position.
A kind of earth leakage protective device provided according to the further embodiment of the disclosure, wherein the second of the release lever
End is provided with gear, is configured to engage with the first end of the tripping, wherein when first of release lever described in the striker impact
During end, the second end of the release lever rotates the gear, and the rotation of the gear rotates the tripping, so that described
Button ejects.
A kind of earth leakage protective device provided according to the further embodiment of the disclosure, wherein the button assembly also wraps
Include：Push-button reset spring, is configured to, when the button ejects, ejected position be held it in the button applying power.
A kind of earth leakage protective device provided according to another embodiment of the disclosure, further includes release lever torsional spring, configures
At the second end close to the release lever, the initial position is held it in for applying torque to the release lever.
According to another embodiment of the disclosure provide a kind of earth leakage protective device, wherein the button be provided with it is prominent
Rise, and the tripping is L-shaped, and wherein when the button is pressed, the second end of the tripping and the projections mesh, work as institute
When stating button pop-up, the second end of the tripping departs from the projection.
A kind of earth leakage protective device provided according to another embodiment of the disclosure, wherein when the button is pressed, it is right
The initial position of release lever described in Ying Yu, when the button ejects, corresponding to the trip positions of the release lever.
A kind of earth leakage protective device provided according to another embodiment of the disclosure, wherein when the button is pressed,
The first end of the tripping rotates the gear, the release lever is returned to the initial position.
Earth leakage protective device module in accordance with an embodiment of the present disclosure is not changing earth leakage protective compared with existing mechanism
On the premise of apparatus function, energy-storage module is eliminated, simplifies number of parts, simultaneously because the increase of tripping force, product is to one
The adaptability of a little vibration environments also greatly improves.
Brief description of the drawings
Embodiment of the disclosure is described in detail below in conjunction with attached drawing, so that those skilled in the art can pass through
Read this specification and implement the disclosure.
Fig. 1 is earth leakage protective device modular structure of the prior art；
Fig. 2 is to be according to the schematic diagram of the earth leakage protective device module of one embodiment of the disclosure, wherein release lever
Initial position；
Fig. 3 is to be according to the schematic diagram of the earth leakage protective device module of one embodiment of the disclosure, wherein release lever
Trip positions；
Fig. 4 is the structure diagram according to the earth leakage protective device module of one embodiment of the disclosure；
Fig. 5 is according to the structure diagram of the earth leakage protective device module of one embodiment of the disclosure, wherein release lever
In initial position；
Fig. 6 is according to the structure diagram of the earth leakage protective device module of one embodiment of the disclosure, wherein release lever
In trip positions.
Embodiment
The structure of earth leakage protective device module and the feelings of work according to one embodiment of the disclosure is described below
Shape.
As shown in figure 4, housing 1, housing 1 are included according to the earth leakage protective device module 100 of one embodiment of the disclosure
Coil block, release lever 5, and button assembly are inside provided with, wherein coil block further comprises striker 4, coil 6 and incites somebody to action
Striker 4 keeps the spring of settling position, also, button assembly further comprises tripping 3 and button 2.
Below with reference to Fig. 2, with reference to Fig. 5, describe to be worked as according to the earth leakage protective device module of one embodiment of the disclosure
Release lever is in situation during initial position.
When circuit works normally, when there is not any failure, module 100 is in stable state, each in housing 1 at this time
Component locations state is as follows：Coil 6 is not turned on, and release lever 5 is turned round bed mat made of woven strips of bamboo power F2's be subject to release lever torsional spring 25 (as shown in Figure 5)
Effect, in initial position, striker 4 is subject to act on the power F3 that striker 4 keeps the spring of settling position to apply, and button 2 is in
The state pressed, at this time push-button reset spring 7 compressed, button 2 is subject to the pressure spring force F1 of push-button reset spring 7 to act on, F1, F2, F3
Direction as shown in Fig. 2, tripping 3 can be L-shaped, the first end of tripping 3 is engaged with gear 15, the second end of tripping 3 and button 2
Projection 21 engage.As will be understood by the skilled person, tripping 3 can have selectable shape, such as L-shaped
Or T-shaped, it is selectable, curved surfaces can also be carried, the projection 21 of button 2 there can also be selectable shape, such as round
Shape is square.
Below with reference to Fig. 3, with reference to Fig. 6, describe to be worked as according to the earth leakage protective device module of one embodiment of the disclosure
Release lever is in situation during trip positions.
When circuit is broken down, the zero-sequence mutual inductance Coil Detector of earth leakage protective device is triggered to leakage current, the leakage current
Thyristor on printed circuit-board assembly, turns on coil 6, produces electromagnetic force so that and striker 4 overcomes the effect of spring force F3,
Moved in the opposite direction to the side indicated with F3 in Fig. 3, so as to hit the first end of release lever 5, release lever 5 moves immediately,
Breaker mechanism is promoted to thread off, release lever 5 is in trip positions at this time, as shown in Figure 6.Meanwhile the movement of release lever 5 makes gear
15 rotate in the counterclockwise direction, drive the first end of tripping 3 to be rotated in the clockwise direction, while the second end of tripping 3 is also along suitable
Clockwise rotates, so that the second end of tripping 3 is separated with the projection 21 of button 2, button 2 is immediately along the force direction bullet of F1
Go out, after being separated due to tripping 3 with the projection 21 of button 2, projection 21 and the housing 1 of button 2 offset, the second end position of tripping 3
On the projection 21 of button 2, tripping 3 cannot be returned to the origin-location engaged with the projection of button 2 21, therefore release lever 5
Initial position can not be returned to, breaker can not close a floodgate again at this time, as shown in Figure 2.Meanwhile button 2 ejects, finger is also functioned to
Show the effect that breaker mechanism is threaded off.
After troubleshooting, staff presses lower button 2 again, drops back into the second end of tripping 3, again with button 2
Projection 21 engage, release lever 5 is returned to initial position under the action of the torsional spring power F2 of release lever torsional spring 25, completes once
Circulation.
According to the earth leakage protective device module of one embodiment of the disclosure compared with existing mechanism, do not changing electric leakage
On the premise of protective device function, number of parts is simplified, simultaneously because the increase of tripping force, product is to some vibration environments
Adaptability also greatly improves.
By the teaching gone out given in above description and relevant drawings, many modifications of the disclosure described herein
It will be recognized with other embodiment by disclosure those skilled in the relevant art.Therefore, it should be understood that, the disclosure
Embodiment is not limited to disclosed embodiment, and modification and other embodiment are intended to be included in this
Within scope of disclosure.In addition, although above description and relevant drawings are in some example combination forms of component and/or function
Example embodiment is described under background, it will be appreciated that, component can be provided by alternate embodiment
And/or the different combinations of function are without departing from the scope of the present disclosure.On this point, for example, with it is explicitly described above
Different component and/or other combining forms of function be also expected within the scope of the present disclosure.Although here
Concrete term is employed, but they are only used with general and descriptive implication and are not intended to and are limited.
Claims (9)
1. a kind of earth leakage protective device, including：
Release lever (5)；
Coil block, is configured to, in response to detecting that leakage current drives the release lever (5) to rotate, make the release lever
(5) trip positions are turned to from initial position；
Tripping (3), with the release lever (5) mechanical couplings and being configured to the rotation in response to the release lever (5) and edge
The direction opposite with the rotation direction of the release lever (5) to rotate；And
Button assembly, interacts with the tripping (3) and is configured to take off along with described in response to the tripping (3)
The direction that the rotation direction of button bar (5) is opposite rotates and releases the interaction with the tripping (3).
2. device according to claim 1, wherein the button assembly includes：
Button (2), is configured to make the release lever (5) rotate from the trip positions by the tripping (3) when pressing
To the initial position.
3. the apparatus of claim 2, wherein the coil block includes：
Coil (6), is configured to produce electromagnetic force in conducting, and
Striker (4), is configured to hit the first end of the release lever (5) under the action of the electromagnetic force, makes the dropout
Bar (5) turns to the trip positions from the initial position.
4. device according to claim 3, wherein the second end in the release lever (5) is provided with gear (15), configuration
Engaged into the first end with the tripping (3), wherein when the striker (4) hits the first end of the release lever (5), it is described
The second end of release lever (5) rotates the gear (15), and the rotation of the gear (15) rotates the tripping (3), so that
Eject the button (2).
5. device according to claim 4, wherein the button assembly further includes：
Push-button reset spring (7), is configured to, when the button (2) ejects, bullet be held it in the button (2) applying power
Out position.
6. device according to claim 4, the wherein device further include release lever torsional spring (25), configure close to described de-
At the second end of button bar (5), the initial position is held it in for applying torque to the release lever (5).
7. device according to claim 4, wherein the button (2) is provided with projection (21), and the tripping (3) is
L-shaped, wherein when the button (2) is pressed, the second end of the tripping (3) is engaged with the projection (21), when the button
(2) when ejecting, second end and the projection (21) of the tripping (3) depart from.
8. device according to claim 4, wherein when the button (2) is pressed, corresponding to the described of the release lever (5)
Initial position, when the button (2) ejects, corresponding to the trip positions of the release lever (5).
9. device according to claim 4, wherein when the button (2) is pressed, the first end of the tripping (3) makes institute
Gear (15) rotation is stated, the release lever (5) is returned to the initial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056899.9A CN104851759B (en) | 2014-02-19 | 2014-02-19 | Earth leakage protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056899.9A CN104851759B (en) | 2014-02-19 | 2014-02-19 | Earth leakage protective device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104851759A CN104851759A (en) | 2015-08-19 |
| CN104851759B true CN104851759B (en) | 2018-05-01 |
Family
ID=53851321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410056899.9A Active CN104851759B (en) | 2014-02-19 | 2014-02-19 | Earth leakage protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104851759B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107622925A (en) * | 2017-10-09 | 2018-01-23 | 浙江凯发电气有限公司 | The electric leakage self-locking mechanism of Minitype electrical leakage breaker |
| CN107833804B (en) * | 2017-10-26 | 2019-08-20 | 上海良信电器股份有限公司 | A kind of locking device of breaker operating device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101620956A (en) * | 2008-07-04 | 2010-01-06 | 湖北盛佳电器设备有限公司 | Breaker with overcurrent self-locking function |
| CN202633195U (en) * | 2012-05-30 | 2012-12-26 | 施耐德电器工业公司 | Thermomagnetic tripper and breaker |
| CN203339083U (en) * | 2013-06-19 | 2013-12-11 | 邳州市国龙电器有限公司 | Permanent magnet trip |
| CN203733733U (en) * | 2014-02-19 | 2014-07-23 | 施耐德电气工业公司 | Current leakage protection device |
-
2014
- 2014-02-19 CN CN201410056899.9A patent/CN104851759B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101620956A (en) * | 2008-07-04 | 2010-01-06 | 湖北盛佳电器设备有限公司 | Breaker with overcurrent self-locking function |
| CN202633195U (en) * | 2012-05-30 | 2012-12-26 | 施耐德电器工业公司 | Thermomagnetic tripper and breaker |
| CN203339083U (en) * | 2013-06-19 | 2013-12-11 | 邳州市国龙电器有限公司 | Permanent magnet trip |
| CN203733733U (en) * | 2014-02-19 | 2014-07-23 | 施耐德电气工业公司 | Current leakage protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104851759A (en) | 2015-08-19 |
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