CN204230853U - Three-phase comprehensive earth leakage protective device - Google Patents
Three-phase comprehensive earth leakage protective device Download PDFInfo
- Publication number
- CN204230853U CN204230853U CN201420643516.3U CN201420643516U CN204230853U CN 204230853 U CN204230853 U CN 204230853U CN 201420643516 U CN201420643516 U CN 201420643516U CN 204230853 U CN204230853 U CN 204230853U
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- China
- Prior art keywords
- base plate
- top board
- heat
- draw
- conducting piece
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- Expired - Fee Related
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Abstract
The utility model discloses three-phase comprehensive earth leakage protective device, comprise housing; Be provided with top board on the top of described housing, be provided with base plate at the low side of housing, described top board is all connected with housing by heat-conducting glue with base plate; Offer in the inside of top board and base plate the air channel laterally run through, offering radiator structure on the surface of top board and base plate, offering the draw-in groove for installing radiating fin on the top of top board and the low side of base plate; Described radiator structure comprises louvre, heat-conducting piece and via hole; Described louvre is uniformly distributed along the flow direction in air channel and is set to one group between two, is provided with heat-conducting piece, is connected with via hole, is provided with draw-in groove in the outside of heat-conducting piece in the inner side of heat-conducting piece between two louvres often organized; Described draw-in groove runs through top board and base plate, and the bottom of draw-in groove has the heat transfer hole be connected with heat-conducting piece, and the inner side of draw-in groove extends internally formation spacing preiection, and the outer end of described spacing preiection stretches out formation bayonet socket.
Description
Technical field
The utility model relates to electric protective device field, specifically, is related specifically to a kind of three-phase comprehensive earth leakage protective device.
Background technology
Earth leakage protective device; mainly be used for when equipment generation leak current fault and to the personal electrical shock protection having fatal risk; there is overload and short-circuit protection function, can be used to overload and the short circuit of protection circuit or motor, also can under normal circumstances as the use of the infrequently conversion startup of circuit.The electronic component of earth leakage protective device inside operationally can produce a large amount of heats, must dissipate in time, otherwise the temperature of earth leakage protective device inside can be caused to rise, and then affects the normal work of electronic component.
Traditional earth leakage protective device is all directly offer louvre at sidewall, and the defect of this structure is: the radiating effect of vertical direction is poor, and therefore the heat radiation of its general effect is limited.
Utility model content
The technical problem that the utility model actual needs solves is: for deficiency of the prior art, provide a kind of nitrogen spring jacking pin, to solve the problem.
The technical problem that the utility model solves can realize by the following technical solutions:
Three-phase comprehensive earth leakage protective device, comprises housing; Be provided with top board on the top of described housing, be provided with base plate at the low side of housing, described top board is all connected with housing by heat-conducting glue with base plate; Offer in the inside of top board and base plate the air channel laterally run through, offering radiator structure on the surface of top board and base plate, offering the draw-in groove for installing radiating fin on the top of top board and the low side of base plate; Described radiator structure comprises louvre, heat-conducting piece and via hole; Described louvre is uniformly distributed along the flow direction in air channel and is set to one group between two, and between two louvres often organized, be provided with heat-conducting piece, the two ends of described heat-conducting piece connect the louvre of the left and right sides respectively, are connected with via hole in the inner side of heat-conducting piece; Described draw-in groove runs through top board and base plate, and the bottom of draw-in groove has the heat transfer hole be connected with heat-conducting piece, and the inner side of draw-in groove extends internally formation spacing preiection, and the outer end of described spacing preiection stretches out formation bayonet socket.
Further, the inside of described top board and base plate is also provided with thermal hole, and one end of described thermal hole connects the inside of housing, and the other end of thermal hole connects the air channel on top board and base plate.
Further, offer spacing hole in the both sides of described top board and base plate, described spacing hole is respectively through the both sides of top board and base plate, and the section of spacing hole is trapezoidal.
Compared with prior art, the beneficial effects of the utility model are as follows:
Structure is simple, and design ingenious, by arranging radiator structure on top board and base plate, the free convection taking full advantage of vertical direction is dispelled the heat, good heat dissipation effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of three-phase comprehensive earth leakage protective device described in the utility model.
Number in the figure illustrates: housing 1, top board 2, base plate 3, air channel 4, louvre 5, heat-conducting piece 6, via hole 7, draw-in groove 8, spacing hole 9.
Embodiment
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the utility model further.
See Fig. 1, three-phase comprehensive earth leakage protective device described in the utility model, comprises housing 1; Be provided with top board 2 on the top of described housing 1, be provided with base plate 3 at the low side of housing 1, described top board 2 is all connected with housing 1 by heat-conducting glue with base plate 3.
Offering the air channel 4 laterally run through in the inside of top board 2 and base plate 3, offer radiator structure on the surface of top board 2 and base plate 3, offering the draw-in groove 8 for installing radiating fin at the low side of the top of top board 2 and base plate 3; Described radiator structure comprises louvre 5, heat-conducting piece 6 and via hole 7; Described louvre 5 is uniformly distributed along the flow direction in air channel 4 and is set to one group between two, between two louvres 5 often organized, be provided with heat-conducting piece 6, and the two ends of described heat-conducting piece 6 connect the louvre 5 of the left and right sides respectively, are connected with via hole 7 in the inner side of heat-conducting piece 6; Described draw-in groove 8 runs through top board 2 and base plate 3, and the bottom of draw-in groove 8 has the heat transfer hole be connected with heat-conducting piece 6, and the inner side of draw-in groove 8 extends internally formation spacing preiection, and the outer end of described spacing preiection stretches out formation bayonet socket.
It is pointed out that the inside of described top board 2 and base plate 3 is also provided with thermal hole, one end of described thermal hole connects the inside of housing 1, and the other end of thermal hole connects the air channel 4 on top board 2 and base plate 3.By the structural design adopting thermal hole to coordinate heat-conducting glue, the heat greatly improving housing 1 inside derives speed.
In addition, offer spacing hole 9 in the both sides of described top board 2 and base plate 3, described spacing hole 9 is respectively through the both sides of top board 2 and base plate 3, and the section of spacing hole 9 is trapezoidal.Above-mentioned spacing hole 9 can coordinate with backstay, by demountable structure, three-phase comprehensive earth leakage protective device is fixed on various occasion.Owing to have employed dismountable syndeton, be easy for installation and maintenance.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. three-phase comprehensive earth leakage protective device, comprises housing; It is characterized in that: be provided with top board on the top of described housing, be provided with base plate at the low side of housing, described top board is all connected with housing by heat-conducting glue with base plate; Offer in the inside of top board and base plate the air channel laterally run through, offering radiator structure on the surface of top board and base plate, offering the draw-in groove for installing radiating fin on the top of top board and the low side of base plate; Described radiator structure comprises louvre, heat-conducting piece and via hole; Described louvre is uniformly distributed along the flow direction in air channel and is set to one group between two, and between two louvres often organized, be provided with heat-conducting piece, the two ends of described heat-conducting piece connect the louvre of the left and right sides respectively, are connected with via hole in the inner side of heat-conducting piece; Described draw-in groove runs through top board and base plate, and the bottom of draw-in groove has the heat transfer hole be connected with heat-conducting piece, and the inner side of draw-in groove extends internally formation spacing preiection, and the outer end of described spacing preiection stretches out formation bayonet socket.
2. three-phase comprehensive earth leakage protective device according to claim 1, is characterized in that: the inside of described top board and base plate is also provided with thermal hole, and one end of described thermal hole connects the inside of housing, and the other end of thermal hole connects the air channel on top board and base plate.
3. three-phase comprehensive earth leakage protective device according to claim 1, is characterized in that: offer spacing hole in the both sides of described top board and base plate, and described spacing hole is respectively through the both sides of top board and base plate, and the section of spacing hole is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420643516.3U CN204230853U (en) | 2014-10-31 | 2014-10-31 | Three-phase comprehensive earth leakage protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420643516.3U CN204230853U (en) | 2014-10-31 | 2014-10-31 | Three-phase comprehensive earth leakage protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204230853U true CN204230853U (en) | 2015-03-25 |
Family
ID=52928905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420643516.3U Expired - Fee Related CN204230853U (en) | 2014-10-31 | 2014-10-31 | Three-phase comprehensive earth leakage protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204230853U (en) |
-
2014
- 2014-10-31 CN CN201420643516.3U patent/CN204230853U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |