CN203721661U - Leakage protector - Google Patents
Leakage protector Download PDFInfo
- Publication number
- CN203721661U CN203721661U CN201420073086.6U CN201420073086U CN203721661U CN 203721661 U CN203721661 U CN 203721661U CN 201420073086 U CN201420073086 U CN 201420073086U CN 203721661 U CN203721661 U CN 203721661U
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- CN
- China
- Prior art keywords
- basal base
- main
- main basal
- dropout
- rod body
- 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.)
- Expired - Lifetime
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- 230000001012 protector Effects 0.000 title abstract 3
- 230000003068 static effect Effects 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 20
- 238000012360 testing method Methods 0.000 claims description 11
- 230000004224 protection Effects 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
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- Elimination Of Static Electricity (AREA)
Abstract
The utility model relates to a leakage protector, and particularly relates to an electromagnetic trip leakage protection device. The leakage protection device disclosed in the utility model comprises a housing and main components installed in the housing. The main components comprise a circuit board and a release mechanical structural component. The release mechanical structural component mainly comprises a main base, two groups of movable contacts and stationary contacts, a release plate, a push-pull rod and a compression rod. The main base is fixed on the circuit board. The leakage protector of the utility model is used in electrical protection, and the release is disconnected when the electric leakage situation is detected so as to ensure the safety of users.
Description
Technical field
The utility model relates to earth leakage protective device, particularly the earth leakage protective device of electromagnetic trip.
Background technology
Earth leakage protective device is used in electic protection, detects while there is electric leakage, and release disconnects, to guarantee user security.Earth leakage protective device has resetting device for release is resetted conventionally, for testing earth leakage protective mechanism for testing, and the hand tripping mechanism also with hand tripping having.Patent publication No. 201673875U has disclosed a kind of earth leakage protective device, by earth leakage protective wiring board, detects leakage current, thereby release is carried out the action of threading off.This earth leakage protective device has the function of reset, test and hand tripping, but the weak point of its existence is: the structural design Shortcomings part of release and the life-span that causes threading off not long.
Utility model content
Therefore, the utility model proposes the reliable earth leakage protective device of a kind of tripper structure.
The utility model adopts following technical scheme to realize:
An earth leakage protective device, comprises housing and is arranged on the primary clustering in housing, primary clustering comprises wiring board and release mechanical structure assembly.Wherein, release mechanical structure assembly has mainly comprised a main basal base, two groups of movable contact springs and static contact, a dropout plate, a pull bar and a depression bar, and main basal base is fixed on wiring board, electromagnetic trip assembly is arranged in main basal base, the front end of main basal base is also provided with stopper slot, the bottom of stopper slot is provided with a back-moving spring, the pars intermedia of dropout plate is provided with a notch being positioned at top, extend and be connected with cross bar being positioned at left and right both wings, wherein the cross bar of a side also extends one section after vertical, form a feeler lever, dropout plate is arranged in the stopper slot of main basal base, and the limited groove of the pars intermedia of dropout plate is spacing, the cross bar of the both wings of dropout plate exposes, and simultaneously the threaded off notch of plate of the dropout head of electromagnetic trip assembly limits and can not deviate from backward, the both wings of main basal base are connected with respectively one section of pole, the bottom of main basal base and be positioned at rod rear end and be respectively arranged with dropout spring, 2 static contacts are arranged on front end and apart from the bottom of main basal base, have the position of certain altitude, and there is respectively contact, the centre position that 2 movable contact springs are strip piece has to recessed turn of bilge, the recessed turn of bilge of these 2 movable contact springs is resisted against respectively the pole of the both wings of main basal base, thereby by being positioned at the elastic force of the dropout spring that props up rod rear end and being resisted against pole as fulcrum, movable contact spring front end is pressed down on the cross bar that the both wings at dropout plate expose, movable contact spring front end end is provided with contact, the pars intermedia of dropout plate notch both sides are overleaf provided with Ka Tai, pull bar comprises: main rod body, be connected to guide vane end stop and the snap fit that is positioned at lower position in main rod body, and the buckle of bottom is to one section of back-moving spring reference column of downward-extension, pull bar is inserted in the rail groove of main basal base front end-plate spacing by the guide vane end stop connecting in its main rod body, the main rod body of pull bar, snap fit and back-moving spring reference column are all arranged in the stopper slot of main basal base, the back-moving spring reference column of main rod body is inserted in one end of the back-moving spring of the bottom that is arranged on stopper slot, the lower end of depression bar this feeler lever of conflicting, the upper end of depression bar is fixedly connected with the second button, on this wiring board, offer the through hole that the main rod body of pull bar is stretched through, the through hole of the epimere of main rod body from wiring board stretches through, the end of the epimere of main rod body is fixed with the first button.
Further, the front end of this main basal base and the left and right both wings that are positioned at bottom are provided with the fixed mount of static contact, and fixed mount has certain altitude, these 2 static contacts be n font to the shape of one section of downward-extension, thereby make the n font part of this static contact can be mounted to the static contact fixed mount of main basal base.
Further, also comprise " T " button, its lower conductive link of installing, on this wiring board, there are 2 contacts that can make circuit test, while pressing " T " button, can drive the conductive link being installed under it downward, these 2 test contacts on touching wiring board, and there is leakage current signal.
The utility model adopts as above technical scheme, has the reliable advantage of tripper structure.
Accompanying drawing explanation
Fig. 1 is the overall diagram of the earth leakage protective device of an embodiment;
Fig. 2 is the exploded view (angle one) of this embodiment housing and primary clustering;
Fig. 3 is the exploded view (angle two) of this embodiment housing and primary clustering;
Fig. 4 is the schematic perspective view of the primary clustering part of this embodiment;
Fig. 5 is the cutaway view of the primary clustering part of this enforcement;
Fig. 6 is the exploded view (schematic diagram 1) of the primary clustering part of this embodiment;
Fig. 7 is the exploded view (schematic diagram 2) of the primary clustering part of this embodiment;
Fig. 8 is the exploded view (schematic diagram 3) of the primary clustering part of this embodiment;
Fig. 9 is the exploded view (schematic diagram 4) of the primary clustering part of this embodiment;
Figure 10 is the exploded view (schematic diagram 5) of the primary clustering part of this embodiment.
Embodiment
Now with embodiment, the utility model is further illustrated by reference to the accompanying drawings.
The earth leakage protective device of an embodiment of the present utility model, comprises housing and is arranged on the primary clustering in housing.Consult Fig. 1-3, it is example explanation that the housing in embodiment be take the structure that upper shell 1, lower house 2 be combined into whole housing, and upper shell 1 is for the ease of button is installed, and with the outer frame body 11 of upper casing and the internal frame body 12 of upper casing, forms upper shell 1.The internal frame body 12 of upper casing is provided with 3 buttons, is respectively " ON " button 131, " T " button 132 and " OFF " button 133, carries out respectively corresponding function execution.If " ON " button 131 is to trigger resetting device release is resetted, " T " button 132 is that triggering mechanism for testing is earth leakage protective for testing, and " OFF " button 133 is to trigger hand tripping mechanism to carry out hand tripping.
Primary clustering in housing comprises a wiring board 3 and release mechanical structure assembly 4; the earth leakage protective wiring board being formed by some resistance elements on wiring board 3; be used for checking that electric leakage and overvoltage signal occur, and send signal and control electromagnetic trip assembly TK1 action.Below release mechanical structure assembly 4 is described.
Consult Fig. 4-Figure 10, release mechanical structure assembly 4 has mainly comprised a main basal base 41, two groups of movable contact springs 42 and static contact 43, dropout plate 44, pull bar 45 and depression bars 46.In addition, also comprising 6 connector lugs 6, is respectively each 3 groups of input and outputs, every group of difference corresponding live wire, zero line and ground wire.Wherein 2 of output live wires of connector lug 6 and the wire of zero line must be set in the zero sequence current mutual inductor ZTC1 on wiring board 3, and electricity is connected to respectively on movable contact spring 42 (simple in figure, do not draw wire), 6 of two connector lugs of the ground wire of input, output are electrical direct-connected.It should be noted that, connector lug 6 is connected on copper sheet.If the connector lug 6 of the live wire of output and zero line is to lock on static contact 43, the connector lug 6 of input is also that locking connects on copper sheet 47 in input.
The upper end of this main basal base 41 is provided with 2 snap fits 414, for snapping in fixing (also can substitute by other fixed forms) with wiring board 3.On this main basal base 41, also there is the fixedly cavity volume 413 of accommodating electromagnetic trip assembly TK1.The front end of main basal base 41 is also provided with a U-shaped stopper slot 414 consisting of front end-plate 4162 and end plate 4161, and when electromagnetic trip assembly TK1 is fixed on fixedly cavity volume 413, the dropout of this electromagnetic trip assembly TK1 61 is just positioned at stopper slot 414.The bottom of stopper slot 414 is provided with a back-moving spring 7.
The pars intermedia 443 of dropout plate 44 is provided with a notch 441 being positioned at top, extends and is connected with cross bar 442 being positioned at left and right both wings, and wherein the cross bar 442 of a side also extends one section after vertical, forms a feeler lever 4421.Dropout plate 44 is arranged in the stopper slot 414 of main basal base 41, and the limited groove 414 of the pars intermedia 443 of dropout plate 44 is spacing, and the cross bar 442 of the both wings of dropout plate 44 exposes.The dropout 61 that is simultaneously positioned at the electromagnetic trip assembly TK1 of stopper slot 414 is limited and can not deviate from backward by the notch 441 of dropout plate 44.
The both wings of this main basal base 41 are connected with respectively one section of pole 411.The bottom of main basal base 41 and be positioned at pole 411 rear ends and be provided with spring anchorage bracket 412.At the front end of main basal base 41, the left and right both wings that are positioned at bottom are provided with the fixed mount 415 of static contact, and fixed mount 415 has certain altitude.2 static contacts 43 be n font to the shape of one section of downward-extension, thereby make the n font part of this static contact 43 can be mounted to the static contact fixed mount 415 of main basal base 41, thereby the contact 431 of static contact 43 has certain altitude apart from the bottom of main basal base 41.2 movable contact springs 42 have to recessed turn of bilge 421 for the centre position of strip piece.The recessed turn of bilge 421 of these 2 movable contact springs 42 is resisted against respectively the pole 411 of the both wings of main basal base 41, and the spring anchorage bracket 412 that is positioned at pole 411 rear end main basal bases 41 is provided with dropout spring 48, thereby the elastic force by dropout spring 48 and be resisted against pole 411 as fulcrum, movable contact spring 42 front ends are pressed down on the cross bar 442 that the both wings at dropout plate 44 expose, and are similar to one end by the lever of jack-up.Movable contact spring 42 front end ends are provided with contact 422.For the front end of better location movable contact spring 42, cross bar 442 is provided with recess and assists spacing.Because the fixed mount 415 of main basal base 41 has certain altitude apart from bottom, thereby can guarantee that the contact 422 of movable contact spring 42 and the contact 431 of static contact 43 have safe distance.
On wiring board 3, offer the through hole 31 that the main rod body 451 of pull bar 45 is stretched through.The pars intermedia 443 of dropout plate 44 notch 441 both sides are overleaf provided with card platform 444.Pull bar 45 comprises: main rod body 451, be connected to the guide vane end stop 452 in main rod body 451 and be positioned at the snap fit 453 of lower position, and the buckle 45 of bottom is to one section of back-moving spring reference column 454 of downward-extension.Main basal base 41 is positioned at foremost and is provided with rail groove 41621 for the front end-plate 4162 of U-shaped stopper slot 414, the rail groove 41621 that pull bar 45 is inserted in front end-plate 4162 by the guide vane end stop 452 connecting in its main rod body 451 is interior spacing, and the main rod body 451 of pull bar 45, snap fit 453 and back-moving spring reference column 454 are all arranged in the stopper slot 414 of main basal base 41.The through hole 31 of the epimere of main rod body 451 from wiring board 3 stretches through, fixing " ON " button 131 that is somebody's turn to do of end of the epimere of main rod body 451.The back-moving spring reference column 454 of main rod body 451 is inserted in one end of the back-moving spring 7 of the bottom that is arranged on stopper slot 414.
When pressing " ON " button 131 downwards, back-moving spring reference column 454 is by the back-moving spring 7 of the bottom of this stopper slot 414 of compression, and simultaneously because electromagnetic trip assembly TK1 has restoring force 61 release of will threading off, thereby promote the upper end of dropout plate 44, and make the snap fit that is positioned at lower end 453 of pull bar 45 and the card platform at pars intermedia 443 back sides of dropout plate 44 444 hooks.When discharge " ON " button 131 by dynamic pressure time, back-moving spring 7 discharges savings elastic force, and because the card platform 444 of dropout plate 44 is by snap fit 453 hooks of pull bar 45, is together pulled upwardly.Now, along with lifting on dropout plate 44, under be pressed in movable contact spring 42 front ends on the cross bar 442 that the both wings of dropout plate 44 expose and be also lifted, due to the recessed turn of bilge 421 of movable contact spring 42 by pole 411 against as fulcrum, the dropout spring 48 of the lever other end is gradually reduced.Now, due to the existence of the contact 431 of static contact 43, movable contact spring 42 can only be raised up to the contact 422 of its front end and 431 touchings of the contact of static contact 43.
When the earth leakage protective line circuit on wiring board 3 detects electric leakage or overvoltage; electromagnetic trip assembly TK1 action; dropout 61 retraction; thereby the notch 441 of 61 upper end by dropout plate 44 of threading off swings dropout plate 44, thereby the card platform 444 at pars intermedia 443 back sides and the snap fit that is positioned at lower end of pull bar 45 453 of the plate 44 that makes to thread off are linked up with disengaging.Now, the dropout spring 48 in the spring anchorage bracket 412 of main basal base 41 discharges compression elasticity, and the rear end of movable contact spring 42 is by jack-up, and by lever principle, its front end is pressed down, thereby drives dropout plate 44 downward.Now, the contact 431 of contact 422 static contacts 43 of movable contact spring 42 departs from, and realizes open circuit protection.
In addition, on wiring board 3, there are 2 contacts that can make circuit test, when pressing " T " button 132, can drive the conductive link AJ1 being installed under it downward, these 2 test contacts on touching wiring board 3, and there is leakage current signal.Now, the earth leakage protective line circuit on wiring board 3 also must be controlled electromagnetic trip assembly TK1 action, according to describing above to realize, threads off.
And the cross bar 442 of a wherein side of dropout plate 44 is provided with a depression bar 46 to the vertical rear feeler lever 4421 extending, and is connected in " OFF " button 133 on depression bar 46.When pressing " OFF " button 133, conflict and promote feeler lever 4421 in depression bar 46 lower ends, also can make the dropout plate 44 resetting swing, thereby realize hand tripping as above-described mode.
Wiring board 3 in this embodiment can adopt common leakage protection circuit to realize conventionally, the leakage protection circuit that the employing earth leakage protective chip FM2140 that for example patent publication No. 203135399U discloses realizes.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but those skilled in the art should be understood that; within not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection range of the present utility model.
Claims (3)
1. an earth leakage protective device, comprise housing and be arranged on the primary clustering in housing, primary clustering comprises wiring board and release mechanical structure assembly, it is characterized in that: release mechanical structure assembly has mainly comprised a main basal base, two groups of movable contact springs and static contact, a dropout plate, a pull bar and a depression bar, and main basal base is fixed on wiring board, electromagnetic trip assembly is arranged in main basal base, the front end of main basal base is also provided with stopper slot, the bottom of stopper slot is provided with a back-moving spring, the pars intermedia of dropout plate is provided with a notch being positioned at top, extend and be connected with cross bar being positioned at left and right both wings, wherein the cross bar of a side also extends one section after vertical, form a feeler lever, dropout plate is arranged in the stopper slot of main basal base, and the limited groove of the pars intermedia of dropout plate is spacing, the cross bar of the both wings of dropout plate exposes, and simultaneously the threaded off notch of plate of the dropout head of electromagnetic trip assembly limits and can not deviate from backward, the both wings of main basal base are connected with respectively one section of pole, the bottom of main basal base and be positioned at rod rear end and be respectively arranged with dropout spring, 2 static contacts are arranged on front end and apart from the bottom of main basal base, have the position of certain altitude, and there is respectively contact, the centre position that 2 movable contact springs are strip piece has to recessed turn of bilge, the recessed turn of bilge of these 2 movable contact springs is resisted against respectively the pole of the both wings of main basal base, thereby by being positioned at the elastic force of the dropout spring that props up rod rear end and being resisted against pole as fulcrum, movable contact spring front end is pressed down on the cross bar that the both wings at dropout plate expose, movable contact spring front end end is provided with contact, the pars intermedia of dropout plate notch both sides are overleaf provided with Ka Tai, pull bar comprises: main rod body, be connected to guide vane end stop and the snap fit that is positioned at lower position in main rod body, and the buckle of bottom is to one section of back-moving spring reference column of downward-extension, pull bar is inserted in the rail groove of main basal base front end-plate spacing by the guide vane end stop connecting in its main rod body, the main rod body of pull bar, snap fit and back-moving spring reference column are all arranged in the stopper slot of main basal base, the back-moving spring reference column of main rod body is inserted in one end of the back-moving spring of the bottom that is arranged on stopper slot, the lower end of depression bar this feeler lever of conflicting, the upper end of depression bar is fixedly connected with the second button, on this wiring board, offer the through hole that the main rod body of pull bar is stretched through, the through hole of the epimere of main rod body from wiring board stretches through, the end of the epimere of main rod body is fixed with the first button.
2. earth leakage protective device according to claim 1; it is characterized in that: the front end of this main basal base and the left and right both wings that are positioned at bottom are provided with the fixed mount of static contact; and fixed mount has certain altitude; these 2 static contacts be n font to the shape of one section of downward-extension, thereby make the n font part of this static contact can be mounted to the static contact fixed mount of main basal base.
3. earth leakage protective device according to claim 1 and 2; it is characterized in that: also comprise " T " button; its lower conductive link of installing; on this wiring board, there are 2 contacts that can make circuit test; while pressing " T " button; can drive the conductive link being installed under it downward, these 2 test contacts on touching wiring board, and there is leakage current signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420073086.6U CN203721661U (en) | 2014-02-20 | 2014-02-20 | Leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420073086.6U CN203721661U (en) | 2014-02-20 | 2014-02-20 | Leakage protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203721661U true CN203721661U (en) | 2014-07-16 |
Family
ID=51160798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420073086.6U Expired - Lifetime CN203721661U (en) | 2014-02-20 | 2014-02-20 | Leakage protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203721661U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104753021A (en) * | 2015-04-17 | 2015-07-01 | 深圳市良辉科技有限公司 | Leakage protecting device with forcible tripping function |
| CN104753022A (en) * | 2015-04-17 | 2015-07-01 | 深圳市良辉科技有限公司 | Earth leakage protector with forced tripping function |
-
2014
- 2014-02-20 CN CN201420073086.6U patent/CN203721661U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104753021A (en) * | 2015-04-17 | 2015-07-01 | 深圳市良辉科技有限公司 | Leakage protecting device with forcible tripping function |
| CN104753022A (en) * | 2015-04-17 | 2015-07-01 | 深圳市良辉科技有限公司 | Earth leakage protector with forced tripping function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |