CN203553134U - Cooling fin and switching power supply thereof - Google Patents
Cooling fin and switching power supply thereof Download PDFInfo
- Publication number
- CN203553134U CN203553134U CN201320551095.7U CN201320551095U CN203553134U CN 203553134 U CN203553134 U CN 203553134U CN 201320551095 U CN201320551095 U CN 201320551095U CN 203553134 U CN203553134 U CN 203553134U
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- extension
- fin
- power supply
- switching power
- pcb board
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Abstract
The utility model discloses a cooling fin and a switching power supply thereof. The cooling fin comprises a main body, wherein the main body comprises a first extending part extending in the horizontal direction and a second extending part extending in the vertical direction, the second extending part is arranged on the first extending part and forms a T-shaped structure; and a plurality of groove bodies are respectively formed in the facade and the back surface of the second extending part for radiating. By means of the implementation, a radiating area can be increased on the condition of not increasing the area of the cooling fin, to increase the radiating efficiency so as to achieve a better radiating effect.
Description
Technical field
The utility model relates to a kind of fin and Switching Power Supply thereof.
Background technology
In recent years, along with the transfer capability of power circuit constantly increases, power consumption increases thereupon, and therefore various electronic components have also produced huge heat, have brought heat dissipation problem, have produced fin thereupon.
In prior art, fin is only at one side fluting, and its area of dissipation is little, and because power circuit power consumption is increasing, the radiating effect of this structure is not good, causes power transistor constant power circuit disposed thereon easily to damage.
And conventional solution adopts the mode that increases fin volume and then increase the area of dissipation of fin, can not meet the demand of electric equipment miniaturization.
Utility model content
The utility model provides a kind of fin and Switching Power Supply thereof for solving the problems of the technologies described above, and can not increase under the prerequisite of fin volume, increases area of dissipation, improves radiating efficiency and then realizes better radiating effect.
For solving the problems of the technologies described above, the utility model provides a kind of fin, comprise body, the second extension that described body is included in the first extension of horizontal direction extension and extends at vertical direction, described the second extension is arranged at described the first extension and forms T-shaped structure; Wherein, described the second extension front, reverse side offer respectively multiple cell bodies for heat radiation.
Wherein, described the second extension is at least arranged at intervals with two for described body being installed on to the installed part of external pcb board away from one end of described the first extension; The 4th extension that one of them described installed part comprises the 3rd extension for being connected with described the second extension, extend out and form an angle with its shape from described the 3rd extension and be arranged at least two fixing feet bottom described the 4th extension.
Wherein, described the 3rd extension is removably connected with described the second extension.
Wherein, described cell body is arranged at described the second extension front, reverse side equal height position; Or described cell body is crisscross arranged in described the second extension front, reverse side differing heights position.
Wherein, at least at described the first extension, away from the one side of described the second extension, offer multiple cell bodies for heat radiation.
Wherein, on described the second extension, be provided with one or more screw holes in order to fixed outer heater element.
Wherein, described the first extension and described the second extension are set to one by welding or integrated mode.
Wherein, described the first extension and described the second extension are spliced into one by dismountable mode.
Fin of the present utility model, all offers cell body by front, the reverse side two sides of the second extension in heat sink body, can not increase under the prerequisite of fin volume, increases area of dissipation, improves radiating efficiency and then realizes better radiating effect.
For solving the problems of the technologies described above, the utility model provides a kind of Switching Power Supply, and described Switching Power Supply inside is provided with the fin as described in above-mentioned arbitrary execution mode.
Wherein, described Switching Power Supply inside is provided with pcb board; Described the second extension is at least arranged at intervals with two installed parts away from one end of described the first extension, and described fin is connected with described pcb board by described installed part; Wherein, one of them described installed part comprise the 3rd extension for being connected with described the second extension, the 4th extension that extends out and form an angle with its shape from described the 3rd extension and be arranged at least two of described the 4th extension for described fin being connected to the fixing feet of described pcb board.
Switching Power Supply of the present utility model, all offers cell body by front, the reverse side two sides of the second extension in heat sink body, can not increase under the prerequisite of fin volume, increases area of dissipation, improves radiating efficiency and then realizes better radiating effect.And, can conveniently produce the Switching Power Supply that yield is higher in enormous quantities.
Accompanying drawing explanation
Fig. 1 is the end view of the utility model fin execution mode;
Fig. 2 is the front view of fin shown in Fig. 1;
Fig. 3 is the front view of an installed part in fin shown in Fig. 1.
Embodiment
Below in conjunction with drawings and embodiments, the utility model is elaborated.
Consult Fig. 1, the fin of the utility model execution mode, comprises body 1, and body 1 adopts metal or alloy to make conventionally, conventionally can select copper or aluminium to make.
Particularly, the second extension 12 that body 1 is included in the first extension 11 of horizontal direction extension and extends at vertical direction, the second extension 12 is arranged at the first extension 11 and forms T-shaped structure, wherein, the first extension 11 and the second extension 12 are set to one by welding or integrated mode; Or the first extension 11 and the second extension 12 are spliced into one by dismountable mode, as adopted the mode of threaded engagement or fastening.Wherein, while adopting dismountable mode to splice, can facilitate the transportation of fin, and, when a certain extension damages, directly change the extension of this damage, can save maintenance cost.
Further, the second extension 12 fronts, reverse side offer respectively multiple cell bodies 120 for heat radiation.In concrete application implementation mode, cell body 120 can be arranged at the second extension 12 fronts, reverse side equal height position; Or cell body 120 also can be crisscross arranged in the second extension 12 fronts, reverse side differing heights position.
Fin of the present utility model, cell body 120 is all offered on front, reverse side two sides by the second extension 12 in heat sink body 1, can not increase under the prerequisite of fin volume, increases area of dissipation, improve radiating efficiency and then realize better radiating effect, and having saved expensive real estate.
In conjunction with Fig. 1 to Fig. 3, consult, the second extension 12 is at least arranged at intervals with two for body 1 being installed on to the installed part 13 of external pcb board away from one end of the first extension 11; One of them installed part 13 comprises the 3rd extension 131 for being connected with the second extension 12, from the 3rd extension 131, extends out and the 4th extension 132 forming an angle with its shape and the fixing feet 133 that is arranged at least two spaces of the 4th extension 132 bottoms, wherein, the 4th extension 132 and two fixing feet 133(being arranged at the 4th extension 132 are for plug-in unit) form H type structure.Certainly, other installed part 130 can adopt simple straight type structure, but at least also comprise a fixing feet 133, three fixing feet 133 are stress point and then form a stress surface, and it is simple in structure, and plug-in unit is easier, can not produce whole fin and occur the phenomenon tilting to certain on one side, and then there will not be the appearance such as the power transistor being locked in heat sink body 1 not go out pin or go out the long phenomenon of pin, and its good looking appearance, product reliability is high.
Wherein, the 3rd extension 131 is removably connected with the second extension 12, when installed part 13 damages, can directly change installed part 13 and the whole fin of unnecessary replacing has been saved maintenance cost, in addition, can conveniently transport.
Certainly, in above-mentioned execution mode, can at least at the first extension 11, away from the one side of the second extension 12, offer multiple cell bodies 120 for dispelling the heat further to increase the area of dissipation of fin.
In addition, on the second extension 12, be provided with one or more screw holes 14 in order to fixed outer heater element.
The utility model also provides a kind of Switching Power Supply execution mode.Switching Power Supply inside is provided with the fin as above-mentioned arbitrary execution mode.
Switching Power Supply inside is provided with pcb board; The second extension is at least arranged at intervals with two installed parts away from one end of the first extension, and fin is connected with pcb board by installed part; The 4th extension that one of them installed part comprises the 3rd extension for being connected with the second extension, extend out and form an angle with its shape from the 3rd extension and be arranged at least two of the 4th extension for fin being connected to the fixing feet of pcb board.
Switching Power Supply of the present utility model, all offers cell body by front, the reverse side two sides of the second extension in heat sink body, can not increase under the prerequisite of fin volume, increases area of dissipation, improves radiating efficiency and then realizes better radiating effect.And, can conveniently produce the Switching Power Supply that yield is higher in enormous quantities.
These are only execution mode of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a fin, comprises body, it is characterized in that:
The second extension that described body is included in the first extension of horizontal direction extension and extends at vertical direction, described the second extension is arranged at described the first extension and forms T-shaped structure;
Wherein, described the second extension front, reverse side offer respectively multiple cell bodies for heat radiation.
2. fin according to claim 1, is characterized in that:
Described the second extension is at least arranged at intervals with two for described body being installed on to the installed part of external pcb board away from one end of described the first extension;
The 4th extension that one of them described installed part comprises the 3rd extension for being connected with described the second extension, extend out and form an angle with its shape from described the 3rd extension and be arranged at least two fixing feet bottom described the 4th extension.
3. fin according to claim 2, is characterized in that:
Described the 3rd extension is removably connected with described the second extension.
4. fin according to claim 1, is characterized in that:
Described cell body is arranged at described the second extension front, reverse side equal height position;
Or described cell body is crisscross arranged in described the second extension front, reverse side differing heights position.
5. fin according to claim 1, is characterized in that:
At least at described the first extension, away from the one side of described the second extension, offer multiple cell bodies for heat radiation.
6. fin according to claim 1, is characterized in that:
On described the second extension, be provided with one or more screw holes in order to fixed outer heater element.
7. fin according to claim 1, is characterized in that:
Described the first extension and described the second extension are set to one by welding or integrated mode.
8. fin according to claim 1, is characterized in that:
Described the first extension and described the second extension are spliced into one by dismountable mode.
9. a Switching Power Supply, is characterized in that, described Switching Power Supply inside is provided with fin as claimed in claim 1.
10. Switching Power Supply according to claim 9, is characterized in that:
Described Switching Power Supply inside is provided with pcb board;
Described the second extension is at least arranged at intervals with two installed parts away from one end of described the first extension, and described fin is connected with described pcb board by described installed part;
Wherein, one of them described installed part comprise the 3rd extension for being connected with described the second extension, the 4th extension that extends out and form an angle with its shape from described the 3rd extension and be arranged at bottom described the 4th extension at least two for described fin being connected to the fixing feet of described pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320551095.7U CN203553134U (en) | 2013-09-05 | 2013-09-05 | Cooling fin and switching power supply thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320551095.7U CN203553134U (en) | 2013-09-05 | 2013-09-05 | Cooling fin and switching power supply thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203553134U true CN203553134U (en) | 2014-04-16 |
Family
ID=50471214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320551095.7U Expired - Fee Related CN203553134U (en) | 2013-09-05 | 2013-09-05 | Cooling fin and switching power supply thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203553134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692002A (en) * | 2017-04-03 | 2018-10-23 | 余姚市宏波电工电器有限公司 | A kind of in-mould injection gear inching switch |
-
2013
- 2013-09-05 CN CN201320551095.7U patent/CN203553134U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692002A (en) * | 2017-04-03 | 2018-10-23 | 余姚市宏波电工电器有限公司 | A kind of in-mould injection gear inching switch |
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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: 20140416 Termination date: 20150905 |
|
| EXPY | Termination of patent right or utility model |