CN202736868U - Leakage protector - Google Patents
Leakage protector Download PDFInfo
- Publication number
- CN202736868U CN202736868U CN201220443653.3U CN201220443653U CN202736868U CN 202736868 U CN202736868 U CN 202736868U CN 201220443653 U CN201220443653 U CN 201220443653U CN 202736868 U CN202736868 U CN 202736868U
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- CN
- China
- Prior art keywords
- protective device
- earth leakage
- leakage protective
- housing
- zero
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Abstract
Provided is a leakage protector, which solves the problem that in a present leakage protector, a magnet ring cover is not conveniently or reliably fixed in a housing. The leakage protector comprises a housing and a cover, wherein binding posts, a circuit board and a zero-sequence mutual inductor are arranged inside the housing, the housing comprises a lid, an inner pedestal and a base, a lead is connected in the binding post positions, penetrates through the zero-sequence mutual inductor, and is connected with a matching breaker, the zero-sequence mutual inductor is arranged in a magnet ring cover, the magnet ring cover is equipped with buckles, the circuit board is equipped with block holes, and the buckles match with the block holes. The leakage protector has the advantages that the magnet ring cover is reliably fixed on the circuit board, thereby avoiding that vibration influences magnetic fields and further influences electric leakage motions; and that structure is simple, and processing and assembling are convenient.
Description
Technical field
The utility model relates to a kind of earth leakage protective device.
Background technology
Residual current operated protective device is called for short earth leakage protective device, is again earth leakage circuit-breaker, mainly is to get an electric shock to protect when equipment generation leak current fault and to the person that fatal risk is arranged.Earth leakage protective device is residual current reaction and the action that utilizes system; the residual current of normal runtime system is almost nil; therefore its action rated value can be decided very littlely (being generally the mA level); when system occurs that the person gets an electric shock or device housings when charged; larger residual current appears; earth leakage protective device then moves after detecting and process this residual current reliably, cuts off the electricity supply, and common and miniature circuit breaker is used in conjunction with.Zero-sequence transformer generally is located in the magnetic loop cover in the existing earth leakage protective device, and magnetic loop cover does not have to be fixed on easily, reliably in the housing of earth leakage protective device, and is influential to magnet ring like this, can affect the operating characteristics of earth leakage protective device.
Summary of the invention
Do not have to be fixed on easily, reliably problem in the housing for solving the magnetic loop cover in the earth leakage protective device in the background technology, the utility model provides a kind of earth leakage protective device.
The technical solution of the utility model is: a kind of earth leakage protective device; comprise housing and capping; be provided with binding post, wiring board and zero-sequence transformer in the described housing; described housing comprises lid, interior pedestal and base; the binding post place is connected with wire; described wire passes zero-sequence transformer and is connected with suitable circuit breaker; described zero-sequence transformer is located in the magnetic loop cover; described magnetic loop cover is provided with buckle; described wiring board is provided with hole clipping, and described buckle matches with hole clipping.
As a kind of improvement of the present utility model, described magnetic loop cover is provided with two buckles, and described buckle is " 7 " font, and the Access Division of two buckles distributes in opposite directions.
As another kind of improvement the of the present utility model, described base is provided with draw-in groove, is provided with support chip in the described draw-in groove, and described binding post comprises wire frame and terminal block, and described support chip is connected with terminal block.
As another kind of improvement the of the present utility model, described support chip is " U " type, and the feet of described U-shaped support chip is provided with gap, and described terminal block is located on the gap.
As another kind of improvement the of the present utility model, described capping is provided with square opening and fixed block, and base is provided with strip projection and gap slot, and described strip projection and square opening are suitable, and described fixed block and gap slot are suitable.
As another kind of improvement the of the present utility model, described capping is provided with guide vane end stop, forms stopper slot between the outer wall of described guide vane end stop and capping, and the sidewall of described lid is located in the stopper slot.
The beneficial effects of the utility model are magnetic loop cover to be fixed in the circuit board reliably, thereby avoided effect of jitter magnetic field to affect leakaging action characteristic.And the utility model is simple in structure, processing, easy to assembly.
Description of drawings
Accompanying drawing 1 is explosive view of the present utility model.
Accompanying drawing 2 is the structural representation of lid 11 in the accompanying drawing 1.
Accompanying drawing 3 is the structural representation of base 13 in the accompanying drawing 1.
Accompanying drawing 4 is the structural representation of accompanying drawing 1 middle magnetic ring cover 6.
Accompanying drawing 5 is structural representation of the present utility model.
Accompanying drawing 6 is looked enlarged drawing for the master of capping 2 in the accompanying drawing 5.
Among the figure, 1, housing; 11, lid; 111, sidewall; 12, interior pedestal; 13, base; 132, strip projection; 133, gap slot; 131, draw-in groove; 2, capping; 21, square opening; 22, fixed block; 23, guide vane end stop; 24, stopper slot; 3, binding post; 31, wire frame; 32, terminal block; 4, wiring board; 41, hole clipping; 5, wire; 6, magnetic loop cover; 61, buckle; 611, Access Division; 7, support chip; 71, gap.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described further:
Shown in figure; a kind of earth leakage protective device; comprise housing 1 and capping 2; be provided with binding post 3, wiring board 4 and zero-sequence transformer in the described housing 1; described housing 1 comprises lid 11, interior pedestal 12 and base 13; binding post 3 places are connected with wire 5; described wire 5 passes zero-sequence transformer and is connected with suitable circuit breaker; described zero-sequence transformer is located in the magnetic loop cover 6; described magnetic loop cover 6 is provided with buckle 61; described wiring board 4 is provided with hole clipping 41, and described buckle 61 matches with hole clipping 41.Specifically, described magnetic loop cover 6 is provided with two buckles 61, and described buckle 61 is " 7 " font, and the Access Division 611 of two buckles 61 distributes in opposite directions.The beneficial effects of the utility model are magnetic loop cover to be fixed in the circuit board reliably, thereby avoided effect of jitter magnetic field to affect leakaging action characteristic.And the utility model is simple in structure, processing, easy to assembly.Buckle has certain elasticity, can make things convenient for clamping.And being arranged so that of two Access Divisions is fixing more reliable, firm, avoids the shake of magnetic loop cover.
Described base 13 is provided with draw-in groove 131, is provided with support chip 7 in the described draw-in groove 131, and described binding post 3 comprises wire frame 31 and terminal block 32, and described support chip 7 is connected with terminal block 32.Described support chip 7 is " U " type, and the feet of described U-shaped support chip 7 is provided with gap 71, and described terminal block 32 is located on the gap 71.Such structure has been avoided now terminal block being directly installed on the housing, because the insufficient strength of housing, terminal block can make the problem of housing distortion, and support chip can play the effect of good support terminal block, and such mounting structure is more reliable.
Described capping 2 is provided with square opening 21, fixed block 22 and guide vane end stop 23, base 13 is provided with strip projection 132 and gap slot 133, described strip projection 132 is suitable with square opening 21, described fixed block 22 is suitable with gap slot 133, form stopper slot 24 between the outer wall of described guide vane end stop 23 and capping 2, behind described lid 11 and base 13 snappings, the sidewall 111 of lid 11 is positioned at stopper slot 24.Such mounting structure is more convenient, firm, and capping and lid match more reliable.
Every technical staff's notice: although the utility model describes according to above-mentioned embodiment; but invention thought of the present utility model is not limited in this utility model; the repacking of any utilization inventive concept all will be included in this patent scope of patent protection.
Claims (6)
1. earth leakage protective device; comprise housing (1) and capping (2); be provided with binding post (3) in the described housing (1); wiring board (4) and zero-sequence transformer; described housing (1) comprises lid (11); interior pedestal (12) and base (13); binding post (3) locates to be connected with wire (5); described wire (5) passes zero-sequence transformer and is connected with suitable circuit breaker; it is characterized in that: described zero-sequence transformer is located in the magnetic loop cover (6); described magnetic loop cover (6) is provided with buckle (61); described wiring board (4) is provided with hole clipping (41), and described buckle (61) matches with hole clipping (41).
2. a kind of earth leakage protective device according to claim 1 is characterized in that described magnetic loop cover (6) is provided with two buckles (61), and described buckle (61) is " 7 " font, and the Access Division (611) of two buckles (61) distributes in opposite directions.
3. a kind of earth leakage protective device according to claim 1; it is characterized in that described base (13) is provided with draw-in groove (131); be provided with support chip (7) in the described draw-in groove (131); described binding post (3) comprises wire frame (31) and terminal block (32), and described support chip (7) is connected with terminal block (32).
4. a kind of earth leakage protective device according to claim 3; it is characterized in that described support chip (7) is " U " type; the feet of described U-shaped support chip (7) is provided with gap (71), and described terminal block (32) is located on the gap (71).
5. a kind of earth leakage protective device according to claim 1; it is characterized in that described capping (2) is provided with square opening (21) and fixed block (22); base (13) is provided with strip projection (132) and gap slot (133); described strip projection (132) is suitable with square opening (21), and described fixed block (22) is suitable with gap slot (133).
6. a kind of earth leakage protective device according to claim 1 or 5; it is characterized in that described capping (2) is provided with guide vane end stop (23); form stopper slot (24) between the outer wall of described guide vane end stop (23) and capping (2), the sidewall (111) of described lid (11) is located in the stopper slot (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220443653.3U CN202736868U (en) | 2012-08-31 | 2012-08-31 | Leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220443653.3U CN202736868U (en) | 2012-08-31 | 2012-08-31 | Leakage protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202736868U true CN202736868U (en) | 2013-02-13 |
Family
ID=47662541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220443653.3U Expired - Lifetime CN202736868U (en) | 2012-08-31 | 2012-08-31 | Leakage protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202736868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113012990A (en) * | 2021-03-04 | 2021-06-22 | 李林 | Residual current circuit breaker with alarm prompt function |
-
2012
- 2012-08-31 CN CN201220443653.3U patent/CN202736868U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113012990A (en) * | 2021-03-04 | 2021-06-22 | 李林 | Residual current circuit breaker with alarm prompt function |
| CN113012990B (en) * | 2021-03-04 | 2024-05-14 | 徐进 | Leakage circuit breaker with alarm prompt facility |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GACIA ELECTRICAL APPLIANCE Co.,Ltd. Assignor: Shanghai Chaoan Electric Co.,Ltd. Contract record no.: 2013330000127 Denomination of utility model: Leakage protector re-closing switch method Granted publication date: 20130213 License type: Exclusive License Record date: 20130508 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: GACIA ELECTRICAL APPLIANCE Co.,Ltd. Assignor: Shanghai Chaoan Electric Co.,Ltd. Contract record no.: 2013330000127 Date of cancellation: 20140624 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |