CN107452565A - Small-sized earth leakage protective device - Google Patents
Small-sized earth leakage protective device Download PDFInfo
- Publication number
- CN107452565A CN107452565A CN201710753776.4A CN201710753776A CN107452565A CN 107452565 A CN107452565 A CN 107452565A CN 201710753776 A CN201710753776 A CN 201710753776A CN 107452565 A CN107452565 A CN 107452565A
- Authority
- CN
- China
- Prior art keywords
- dropout
- release lever
- electric leakage
- trip
- linkage
- 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.)
- Granted
Links
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
- H01H71/1009—Interconnected 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
- H01H71/12—Automatic release mechanisms with or without manual release
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- Breakers (AREA)
Abstract
The invention discloses a kind of small-sized earth leakage protective device; including housing; electric leakage dropout driver and electric leakage trip assembley therefor are provided with housing; iron core is provided with electric leakage dropout driver; the trip assembley therefor that leaks electricity includes release lever, dropout plate, linkage board; linkage board includes connection end and the linkage end being connected with the operating mechanism of miniature circuit breaker, and the connection end of linkage board is installed in housing by spring；When there are drain conditions in breaker, electric leakage dropout driver props up release lever by iron core, so that release lever rotates, in release lever rotation process, the conflict end in its connecting shaft is pressed down against the abutting end of dropout plate and causes miniature circuit breaker to realize electric leakage trip action so that dropout plate rotates and drives trip action block to move downward the trip shaft pressed on miniature circuit breaker；The electric leakage trip assembley therefor of the present invention mainly realizes the completion of trip action by mechanical engagement, reduces the use of elastic component, and service life extends, and parts are reduced, and cost is low, and assembling is more convenient.
Description
Technical field
The invention belongs to breaker technical field, especially a kind of small-sized earth leakage protective device.
Background technology
Miniature circuit breaker is usually used in the places such as industry, business, residential houses, according to user's request, miniature circuit breaker housing
Side is generally connected with earth leakage protective device.Electric leakage dropout driver, electric leakage lock, electric leakage jump are installed in earth leakage protective device housing
Button and the link gear that is connected with small-size breaker handle, electric leakage tripping are connected with one end of connecting shaft, connecting shaft it is another
End is connected through the housing of miniature circuit breaker and the lock of miniature circuit breaker, and ZCT produces induced-current, warp during electric leakage
Electric leakage dropout driver is driven to move after function element amplification on circuit board, the iron core in the dropout driver that leaks electricity promotes electric leakage lock
Button departs from electric leakage tripping, electric leakage tripping action and the jump that the lock and miniature circuit breaker of miniature circuit breaker are driven by connecting shaft
Button departs from, and miniature circuit breaker is realized that electric leakage is threaded off.Link gear is driven to lock electric leakage by handle when miniature circuit breaker closes
Button and electric leakage tripping reset.It is this that there is earth leakage protective device following defect be present：Parts are more, complicated, and cost is high, inconvenience
In assembling, and leak electricity to coordinate between lock and electric leakage tripping and require high and easy to wear, easily break down, occur when in use
Electric leakage is not threaded off or maloperation phenomenon.
The content of the invention
For overcome the deficiencies in the prior art, the invention provides a kind of simple in construction, safe and reliable, easy to assembly small
Type earth leakage protective device.
To achieve these goals, the technical solution adopted by the present invention is：A kind of small-sized earth leakage protective device, including housing,
Electric leakage dropout driver and electric leakage trip assembley therefor are provided with housing, iron core is provided with electric leakage dropout driver, it is characterised in that：Institute
Stating electric leakage trip assembley therefor includes release lever, dropout plate, linkage board, and linkage board includes connection end and the behaviour with miniature circuit breaker
As the linkage end that mechanism is connected, the connection end of linkage board is installed in housing by spring, and linkage board and dropout plate are coaxial
Connection, dropout plate include the hinged end with linkage board coaxial cooperation, and hinged end rolling assembling is in enclosure interior, the cooperation of dropout plate
End is provided with long slot bore, and the major axis of long slot bore is inclined to be set up, described release lever one end extend to iron core corresponding section, it is de-
The button bar other end is provided with the connecting shaft that activity is assemblied in long slot bore, and connecting shaft is formed with long slot bore can be axially opposing along long slot bore
Mobile activity cooperation, connecting shaft upper end, which is provided with, contradicts end, the abutting end of the dropout plate be additionally provided with positioned at contradicting below end and
Abutting end with contradicting end in contact, dropout plate lower end is extended with trip action corresponding with the trip shaft on miniature circuit breaker
Block, the abutting end of dropout plate are supported with release lever when release lever is rotated by the iron core driving of electric leakage dropout driver
Contravention formed drive dropout plate along long slot bore direction drive dropout block move downward promote miniature circuit breaker trip shaft occur it is dynamic
The relation that is linked made.When there are drain conditions, electric leakage dropout driver stretches out iron core and causes iron core the earth leakage protective device
Prop up the elongated end of release lever so that elongated end drives release lever to rotate, in release lever rotation process, in its connecting shaft
Contradict end be pressed down against dropout plate abutting end so that dropout plate rotate and drive trip action block move downward press it is small-sized
Trip shaft on breaker causes miniature circuit breaker to realize electric leakage trip action；Then driven when miniature circuit breaker closes by handle
Linkage board realizes the reset of release lever and dropout plate；Electric leakage trip assembley therefor in above-mentioned earth leakage protective device mainly passes through mechanical engagement
The completion of trip action is realized, reduces the use of the elastic components such as spring, can significantly be extended on service life, while portion
Part coordinates less, and cost is lower, and assembling is more convenient, while has saved internal installing space.
Further, the release lever includes the tilting section that is extended from connecting shaft lower surface and from tilting section to downward
Extend and coordinate section, the angled transition for contradicting end and including being extended by connecting shaft upper surface with the iron core of iron core corresponding position
Section, section contradicted by horizontal-extending horizontal of changeover portion, the conflict end is wide with release lever and same plane overlaps setting.Thread off
The iron core of bar coordinates section to set to expand end face to increase its contact area with iron core, when it is contradicted by iron core,
Act more stable.
Further, the abutting end of the dropout plate is horizontal-extending by long slot bore outer wall and go out to insert the level of release lever
Contradict below end, the abutting end of the dropout plate abuts block for L-type.L-type abuts block and the horizontal section that contradicts of release lever forms ten
Font multi-polar cross-over contacts, and it is more effective that both contradict cooperation.
Further, the hinged end of the dropout plate includes expanding shaft end, and the local periphery for expanding shaft end is provided with thickened wall,
Thickened wall is located at dropout plate towards one end of linkage board, the trip action block taking off downwards and towards miniature circuit breaker by thickened wall
Buckle shaft direction extends to be formed, and trip action block has the counterface parallel with the trip shaft of miniature circuit breaker.Thickened wall is set
Putting can play a part of strengthening dropout harden structure intensity.
Further, the linkage board linkage end be triangular shape expand linkage block, the connection end include by
It is extending below linkage block and in the side wall of both sides distribution, leave the space for being available for spring base to accommodate between two side, two
Side wall free end is by same rod hinge connection on housing.The linkage block top of linkage board passes through on connecting rod and miniature circuit breaker
Lock is linked, and the bottom of linkage block is then linked by connecting rod and the tripping on miniature circuit breaker, and spring base is in the form of sheets
In the space of structure insertion two side, the upper and lower ends of spring base are socketed on two connecting rods, spring base side wall then extended spot
Jut is fixed for spring one end.
Using such scheme, electric leakage trip assembley therefor in the present invention is simple in construction, part is few, mechanical engagement realizes that electric leakage is de-
Work is pulled, it has service life length, low cost and other advantages.
The invention will be further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Accompanying drawing 1 is the structural representation that specific embodiment of the invention earth leakage protective device is installed on miniature circuit breaker；
Accompanying drawing 2 is the structural front view that specific embodiment of the invention electric leakage trip assembley therefor is installed on "on" position in housing；
Accompanying drawing 3 is the structural representation of the gate-dividing state of specific embodiment of the invention accompanying drawing 2；
Accompanying drawing 4 is that the attachment structure in specific embodiment of the invention electric leakage trip assembley therefor and miniature circuit breaker between operating mechanism is shown
It is intended to；
Accompanying drawing 5 is the attachment structure schematic diagram that the specific embodiment of the invention is leaked electricity between trip assembley therefor and the dropout driver that leaks electricity；
Accompanying drawing 6 is the structural blast schematic diagram of specific embodiment of the invention electric leakage trip assembley therefor；
Accompanying drawing 7 is the structural representation of specific embodiment of the invention dropout plate；
Accompanying drawing 8 is the structural representation of specific embodiment of the invention linkage board；
Housing 1, electric leakage dropout driver 2, release lever 3, dropout plate 4, linkage board 5, spring 7, miniature circuit breaker 8, trip shaft 81,
Lock 82, tripping 83,
Linkage board 5：Connection end 51, side wall 511, space 512, spring base 71, jut 711, linkage end 52,
Dropout plate 4：Hinged end 41, expand shaft end 411, thickened wall 412, abutting end 42, long slot bore 421, abut end 422, be de-
Button movable block 43,
Release lever 3：Connecting shaft 31, contradict end 32, angled transition section 321, horizontal conflict section 322, tilting section 331, iron core cooperation
Section 332, contact bar 333.
Embodiment
The specific embodiment of the present invention is the miniature circuit breaker with earth leakage protective device as shown in Figure 1, and it includes small-sized open circuit
Device and earth leakage protective device, as illustrated in figs. 2 through 8, it includes housing 1 to earth leakage protective device, and the He of electric leakage dropout driver 2 is provided with housing 1
Leaked electricity trip assembley therefor, and iron core is provided with electric leakage dropout driver 2, and electric leakage trip assembley therefor includes release lever 3, dropout plate 4, linkage board
5。
Above-mentioned linkage board 5 includes connection end 51 and the linkage end being connected with the operating mechanism of miniature circuit breaker 8
52, the connection end 51 of linkage board 5 is installed in housing 1 by spring 7, and linkage board 5 and dropout plate 4 are coaxially connected, and dropout plate 4 wraps
The hinged end 41 with the coaxial cooperation of linkage board 5 is included, inside housing 1, the abutting end 42 of dropout plate 4 is set the rolling assembling of hinged end 41
Have long slot bore 421, the major axis of long slot bore 421 is inclined to be set up, the one end of release lever 3 extend to iron core corresponding section, take off
The other end of button bar 3 is provided with the connecting shaft 31 that activity is assemblied in long slot bore 421, and connecting shaft 31 is formed with long slot bore 421 can be along length
The activity cooperation of 421 axially opposing movement of slotted eye, the upper end of connecting shaft 31, which is provided with, contradicts end 32, and the abutting end 42 of dropout plate 4 is also set
Have positioned at the abutting end 422 for contradicting the lower section of end 32 and being contacted with contradicting end 32.The lower end of dropout plate 4 is extended with and miniature circuit breaker
Trip action block 43 corresponding to trip shaft 81 on 8, the abutting end 422 of dropout plate 4 is in release lever 3 by electric leakage dropout driver
Dropout plate 4 is driven to be driven along the direction of long slot bore 421 with the formation of conflict end 32 of release lever 3 when 2 iron core driving rotates
Dropout block moves downward the relation that is linked for promoting the trip shaft 81 of miniature circuit breaker 8 to act.The earth leakage protective device is worked as
When drain conditions occurs in breaker, the iron core in electric leakage dropout driver 2 stretches out the elongated end for causing iron core to prop up release lever 3,
So that elongated end drives release lever 3 to rotate, in the rotation process of release lever 3, the conflict end 32 in its connecting shaft 31 is squeezed downwards
The abutting end 422 of pressure-off buckle 4 causes dropout plate 4 rotates and drives trip action block 43 to move downward to press miniature circuit breaker
Trip shaft 81 on 8 causes miniature circuit breaker 8 to realize electric leakage trip action；Then driven when miniature circuit breaker 8 closes by handle
Linkage board 5 realizes the reset of release lever 3 and dropout plate 4；Electric leakage trip assembley therefor in above-mentioned earth leakage protective device mainly passes through machinery
Coordinate the completion for realizing trip action, reduce the use of the grade elastic component of spring 7, can significantly extend on service life,
Part coordinates few simultaneously, and cost is lower, and assembling is more convenient, while has saved internal installing space.
Above-mentioned release lever 3 includes the tilting section 331 that is extended from the lower surface of connecting shaft 31 and from tilting section 331 to downward
Extend and coordinate section 332 with the iron core of iron core corresponding position, contradicting end 32 includes being tilted over by what the upper surface of connecting shaft 31 was extended
Cross section 321, by the horizontal-extending horizontal conflict section 322 of changeover portion, conflict end 32 is wide with release lever 3 and same plane is overlapped and set
Put, the iron core of the release lever 3 in the present embodiment coordinates section 332 to be also provided with stretching into the contact coordinated in dropout driver with iron core
Bar 333 contradicts effect to reach effective.
The abutting end 422 of dropout plate 4 is horizontal-extending by the outer wall of long slot bore 421 and goes out to insert the horizontal conflict of release lever 3
The lower section of end 32, the abutting end 422 of the dropout plate 4 is block-shaped for L-type abutting, and L-type abuts block and contradicts section with the horizontal of release lever 3
322 form cross multi-polar cross-over contact, and it is more effective that both contradict cooperation.The hinged end 41 of dropout plate 4 includes expanding shaft end
411, the local periphery for expanding shaft end 411 is provided with thickened wall 412, and thickened wall 412 is located at dropout plate 4 towards one end of linkage board 5,
Trip action block 43 is extended downwards and towards the direction of trip shaft 81 of miniature circuit breaker 8 and formed by thickened wall 412, trip action block 43
With abutting end 42 face parallel with the trip shaft 81 of miniature circuit breaker 8.The setting of thickened wall 412 can play enhancing dropout plate
The effect of 4 structural strengths.
The linkage end 52 of above-mentioned linkage board 5 is the linkage block that triangular shape expands, and connection end 51 is included by under linkage block
It is just extending and in the side wall 511 of both sides distribution, the space 512 for being available for spring base 71 to accommodate is left between two side 511,
The free end of two side 511 is by same rod hinge connection on housing 1.Broken by connecting rod with small-sized on the linkage block top of linkage board 5
Lock 82 on road device 8 is linked, and the bottom of linkage block is then matched somebody with somebody by connecting rod and the linkage of tripping 83 on miniature circuit breaker 8
Close, for spring base 71 in the form of sheets in the space 512 of structure insertion two side 511, the upper and lower ends of spring base 71 are socketed on two
On connecting rod, the side wall 511 of spring base 71 is then fixed the one end of 711 ammunition feed spring of extended spot jut 7.
The present invention is not limited to above-mentioned embodiment, and persons skilled in the art are according to disclosed by the invention interior
Hold, other a variety of embodiments can be used to implement the present invention, or every design structure and think of using the present invention
Road, simple change or change are done, both falls within protection scope of the present invention.
Claims (5)
- Electric leakage dropout driver and electric leakage trip assembley therefor, electric leakage are provided with 1. a kind of small-sized earth leakage protective device, including housing, in housing Iron core is provided with dropout driver, it is characterised in that：The electric leakage trip assembley therefor includes release lever, dropout plate, linkage board, linkage Plate includes connection end and the linkage end being connected with the operating mechanism of miniature circuit breaker, and the connection end of linkage board passes through bullet Spring is installed in housing, and linkage board and dropout plate are coaxially connected, and dropout plate includes the hinged end with linkage board coaxial cooperation, is hinged End rolling assembling is provided with long slot bore in enclosure interior, the abutting end of dropout plate, and the major axis of long slot bore is inclined to be set up, described Release lever one end extends to is provided with the connecting shaft that activity is assemblied in long slot bore with iron core corresponding section, the release lever other end, even Spindle is formed with long slot bore to be coordinated along the axially opposing activity moved of long slot bore, and connecting shaft upper end, which is provided with, contradicts end, described de- The abutting end of buckle be additionally provided with positioned at contradict end below and with contradict end in contact abutting end, dropout plate lower end be extended with it is small Trip action block corresponding to trip shaft on type breaker, dropout plate abut end in release lever by electric leakage dropout driver Dropout plate is driven to drive dropout block downward along long slot bore direction with the conflict end formation of release lever when iron core driving rotates Motion promotes the relation that is linked that the trip shaft of miniature circuit breaker acts.
- 2. small-sized earth leakage protective device according to claim 1, it is characterised in that：The release lever is included by connecting shaft lower end Tilting section that face is extended and being extended downward into from tilting section includes with section with the iron core of iron core corresponding position, the conflict end The angled transition section extended by connecting shaft upper surface, contradict section by horizontal-extending horizontal of changeover portion, the conflict end with Release lever is wide and same plane is overlapped and set.
- 3. small-sized earth leakage protective device according to claim 2, it is characterised in that：The abutting end of the dropout plate is by elongated slot Hole outer wall is horizontal-extending and goes out to insert the horizontal of release lever and contradicts below end, and the abutting end of the dropout plate abuts block for L-type.
- 4. small-sized earth leakage protective device according to claim 3, it is characterised in that：The hinged end of the dropout plate includes expanding Shaft end, the local periphery for expanding shaft end are provided with thickened wall, and thickened wall is located at dropout plate and moved towards one end of linkage board, described thread off Make block and downwards and extended and formed towards the dropout direction of principal axis of miniature circuit breaker by thickened wall, trip action block has and miniature circuit breaker The parallel counterface of trip shaft.
- 5. according to the small-sized earth leakage protective device described in claim 1-4 any one, it is characterised in that：The linkage of the linkage board The linkage block expanded for triangular shape is held, the connection end is included by extending below linkage block and in both sides distribution Side wall, the space for being available for spring base to accommodate is left between two side, two side free end is by same rod hinge connection on housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710753776.4A CN107452565B (en) | 2017-08-29 | 2017-08-29 | Small-sized leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710753776.4A CN107452565B (en) | 2017-08-29 | 2017-08-29 | Small-sized leakage protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107452565A true CN107452565A (en) | 2017-12-08 |
| CN107452565B CN107452565B (en) | 2019-12-06 |
Family
ID=60493288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710753776.4A Active CN107452565B (en) | 2017-08-29 | 2017-08-29 | Small-sized leakage protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107452565B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511288A (en) * | 2018-03-07 | 2018-09-07 | 广东南冠电气有限公司 | A kind of compact electromagnetic dropout type leakage circuit breakers |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0896693A (en) * | 1994-09-27 | 1996-04-12 | Fuji Electric Co Ltd | Leakage trip device of earth leakage breaker |
| KR100678415B1 (en) * | 2006-09-06 | 2007-02-06 | 주식회사 아키덤엔지니어링건축사사무소 | Exterminal display for earth leakage circuit breaker |
| CN201465937U (en) * | 2009-05-26 | 2010-05-12 | 创奇科技有限公司 | Residual current circuit breaker |
| CN203503578U (en) * | 2013-09-16 | 2014-03-26 | 安德利集团有限公司 | Tripping trigger device for small residual-current circuit breaker |
| CN204809168U (en) * | 2015-05-26 | 2015-11-25 | 施耐德电器工业公司 | Circuit breaker with instruct electric leakage function |
| CN106449314A (en) * | 2016-09-20 | 2017-02-22 | 加西亚电子电器股份有限公司 | Residual-current circuit breaker |
| CN207183189U (en) * | 2017-08-29 | 2018-04-03 | 华通机电股份有限公司 | Small-sized earth leakage protective device |
-
2017
- 2017-08-29 CN CN201710753776.4A patent/CN107452565B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0896693A (en) * | 1994-09-27 | 1996-04-12 | Fuji Electric Co Ltd | Leakage trip device of earth leakage breaker |
| KR100678415B1 (en) * | 2006-09-06 | 2007-02-06 | 주식회사 아키덤엔지니어링건축사사무소 | Exterminal display for earth leakage circuit breaker |
| CN201465937U (en) * | 2009-05-26 | 2010-05-12 | 创奇科技有限公司 | Residual current circuit breaker |
| CN203503578U (en) * | 2013-09-16 | 2014-03-26 | 安德利集团有限公司 | Tripping trigger device for small residual-current circuit breaker |
| CN204809168U (en) * | 2015-05-26 | 2015-11-25 | 施耐德电器工业公司 | Circuit breaker with instruct electric leakage function |
| CN106449314A (en) * | 2016-09-20 | 2017-02-22 | 加西亚电子电器股份有限公司 | Residual-current circuit breaker |
| CN207183189U (en) * | 2017-08-29 | 2018-04-03 | 华通机电股份有限公司 | Small-sized earth leakage protective device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511288A (en) * | 2018-03-07 | 2018-09-07 | 广东南冠电气有限公司 | A kind of compact electromagnetic dropout type leakage circuit breakers |
| CN108511288B (en) * | 2018-03-07 | 2023-09-05 | 广东南冠电气有限公司 | Small electromagnetic trip type leakage circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107452565B (en) | 2019-12-06 |
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