CN210157501U - Dust removal heat radiation structure of switching power supply - Google Patents
Dust removal heat radiation structure of switching power supply Download PDFInfo
- Publication number
- CN210157501U CN210157501U CN201920354803.5U CN201920354803U CN210157501U CN 210157501 U CN210157501 U CN 210157501U CN 201920354803 U CN201920354803 U CN 201920354803U CN 210157501 U CN210157501 U CN 210157501U
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- ventilation hole
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- 239000000428 dust Substances 0.000 title claims abstract description 48
- 230000005855 radiation Effects 0.000 title claims abstract description 7
- 238000009423 ventilation Methods 0.000 claims abstract description 51
- 239000011347 resin Substances 0.000 claims abstract description 26
- 229920005989 resin Polymers 0.000 claims abstract description 26
- 230000017525 heat dissipation Effects 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 10
- 230000007774 longterm Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 239000011810 insulating material Substances 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a switching power supply' S dust removal heat radiation structure, which comprises a housin, all be equipped with the ventilation hole on the roof of casing and the both sides board, first dust guard has set firmly on the roof of casing, the second dust guard has set firmly on the curb plate of casing, first dust guard is installed directly over the ventilation hole and is equipped with the first dustproof ventilation hole that corresponds with the ventilation hole, the cross section in first dustproof ventilation hole is "S" shape, be equipped with the dustproof ventilation hole of second that corresponds with the ventilation hole on the second dust guard, the cross section in the dustproof ventilation hole of second also is "S" shape. The utility model realizes the interception of dust by arranging the S-shaped first dustproof ventilation hole and the S-shaped second dustproof ventilation hole 31, thereby achieving the dustproof effect; and first dust guard and resin board are insulating material, can produce static and adsorb the dust with the long-term friction in-process of air, improve dust removal effect, and transparent setting is convenient for observe, and convenient in time dismantles and washs and change.
Description
Technical Field
The utility model belongs to the technical field of switching power supply, in particular to switching power supply's dust removal heat radiation structure.
Background
With the development of modern power electronic technology, power electronic equipment has increasingly close relationship with the work and life of people, and electronic equipment can not be powered off, so that the switch power supply is realized. The switching power supply is a power supply for controlling the on/off time ratio of a switching tube and maintaining a stable output voltage, and generally comprises a pulse width modulation control and a MOSFET.
The mesh-shaped back plate used for passing air is arranged on the shell of the conventional switch power supply, the fan is arranged in the shell, the heat inside the switch power supply is conducted out of the mesh-shaped back plate by the fan, however, dust in the surrounding environment can enter the switch power supply from the holes of the mesh-shaped back plate during heat dissipation, and is gathered on various electronic components, and dust and dirt generated by long-term dust accumulation on the electronic components can seriously influence the heat dissipation effect, so that the switch power supply cannot normally dissipate heat, and the work of the switch power supply is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem of the existence of above-mentioned prior art, provide a switching power supply's dust removal heat radiation structure.
The utility model discloses a following technical means realizes solving above-mentioned technical problem:
the utility model provides a switching power supply' S dust removal heat radiation structure, includes the casing, all be equipped with the ventilation hole on the roof of casing and the both sides board, first dust guard has set firmly on the roof of casing, the second dust guard has set firmly on the curb plate of casing, first dust guard is installed directly over the ventilation hole and is equipped with the first dustproof ventilation hole that corresponds with the ventilation hole, the cross section in first dustproof ventilation hole is "S" shape, be equipped with the dustproof ventilation hole of second that corresponds with the ventilation hole on the second dust guard, the cross section in the dustproof ventilation hole of second also is "S" shape.
As a further improvement, the first dustproof ventilation hole comprises an air inlet section, an air return section and an air outlet section, the surface of the first dust guard of air inlet section and air outlet section perpendicular to, the cross section of the air return section is horizontal 'S' shape, the one end of the air return section is communicated with the lower end of the air inlet section, the other end is communicated with the upper end of the air outlet section, and the structure of the second dustproof ventilation hole is identical to that of the first dustproof ventilation hole.
As a further improvement, the second dust guard includes base plate and resin plate, the resin plate inlays to be established in the base plate, and the surface parallel and level of base plate and resin plate, the bilateral symmetry of base plate is provided with the resin plate, the dustproof ventilation hole of second sets up on the resin plate, and is equipped with corresponding through-hole on the base plate.
As a further improvement of the utility model, be equipped with radiating fin on the base plate, radiating fin sets up between two resin boards.
As a further improvement of the utility model, the upper and lower end of second dust guard is equipped with the stationary blade, the stationary blade passes through the screw connection with the roof of casing.
As a further improvement of the utility model, the first dust guard and the resin plate are transparent organic glass plates.
As a further improvement of the present invention, the inside of the housing is fixedly provided with a heat dissipation plate and a heat sink.
The utility model has the advantages that: the utility model realizes the interception of dust by arranging the S-shaped first dustproof ventilation hole and the S-shaped second dustproof ventilation hole 31, thereby achieving the dustproof effect; and organic glass material's first dust guard and resin board are insulating material, can produce static with the long-term friction in-process of air, have adsorption effect to the dust in the air, further improve dust removal effect, and transparent setting is convenient for observe, and convenient in time dismantles and washs and change.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the heat dissipation plate and the heat sink inside the housing of the present invention;
fig. 3 is a schematic structural view of the first dustproof ventilation hole of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
As shown in fig. 1, a dust-removing and heat-dissipating structure of a switching power supply includes a housing 10, a circuit board and various electronic components electrically connected to the circuit board are installed inside the housing 10, the top plate and the two side plates of the shell 10 are both provided with vent holes, the back plate of the shell 10 is provided with a heat dissipation air hole, a heat dissipation fan matched with the heat dissipation air hole is installed in the back plate of the shell 10, a first dust guard 20 is fixedly arranged on the top plate of the shell 10, a second dustproof plate 30 is arranged on the side plate of the shell 10, the first dustproof plate 20 is arranged right above the ventilation hole and is provided with a first dustproof ventilation hole 21 corresponding to the ventilation hole, the cross section of first dustproof ventilation hole 21 is "S" shape, be equipped with the second dustproof ventilation hole 31 that corresponds with the ventilation hole on the second dust guard 30, the cross section of second dustproof ventilation hole 31 also is "S" shape.
The common shell 10 is a sheet metal part, the thickness of the shell is 0.4-0.6 mm, and the shell has no function of intercepting dust. The utility model discloses a first dust guard 20 has 1 ~ 2 cm' S thickness, and inside first dustproof ventilation hole 21 is "S" shape, when radiator fan outwards airs, outside air just can form the air convection through the ventilation hole entering casing 10 of first dustproof ventilation hole 21 and casing 10 and reach the radiating effect, the air is when first dustproof ventilation hole 21 of process, because tortuous winding inner structure, lead to the dust can hold back on the inner wall of first dustproof ventilation hole 21, thereby reach dustproof effect, the function in the dustproof ventilation hole 31 of second is the same with first dustproof ventilation hole 21.
Further, as shown in fig. 3, the first dustproof vent 21 includes an air inlet section 211, an air return section 212 and an air outlet section 213, the air inlet section 211 and the air outlet section 213 are perpendicular to the surface of the first dustproof plate 20, the cross section of the air return section 212 is horizontal "S" shaped, one end of the air return section 212 is communicated with the lower end of the air inlet section 211, the other end of the air return section is communicated with the upper end of the air outlet section 213, and the structure of the second dustproof vent 31 is completely the same as that of the first dustproof vent 21; the design characteristics of return air section 212 lie in no matter first dustproof ventilation hole 21 is horizontal state or vertical state, and its inside all can have arc top and arc bottom, can play the function of impact, speed reduction, entrapment to the dust that mix with in the air.
Further, as shown in fig. 1, the second dust-proof plate 30 includes a substrate 301 and a resin plate 302, the resin plate 302 is embedded in the substrate 301, outer surfaces of the substrate 301 and the resin plate 302 are flush, the resin plates 302 are symmetrically disposed on two sides of the substrate 301, the second dust-proof vent holes 31 are disposed on the resin plate 302, and corresponding through holes are disposed on the substrate 301; resin plate 302 heat conductivility is not strong, and the heat dispersion that covers the curb plate entirely then can reduce the curb plate, adopts base plate 301 and resin plate 302 composite form can play fine dustproof effect under the radiating circumstances of not influencing.
Further, as shown in fig. 1, a heat dissipation fin 303 is disposed on the base plate 301, and the heat dissipation fin 303 is disposed between the two resin plates 302; the heat dissipation fins 303 can increase the heat dissipation area of the substrate 301, thereby improving the heat dissipation effect.
Further, as shown in fig. 1, fixing pieces 304 are provided at upper and lower ends of the second dust-proof plate 30, and the fixing pieces 304 are connected with a top plate of the housing 10 by screws; the second dust-proof board 30 is detachably connected to the housing 10 via the fixing plate 304, so as to facilitate replacement, detachment and maintenance.
Further, the first dust-proof plate 20 and the resin plate 302 are both transparent organic glass plates; organic glass board is insulating material, can produce static with the long-term friction in-process of air, has adsorption effect to the dust in the air, further improves the dust removal effect of first dust guard 20 and resin board 302, and the organic glass board of transparent setting is convenient for observe, when second dustproof ventilation hole 31 and the 21 deposition of first dustproof ventilation hole block up, can dismantle and wash and change.
Further, as shown in fig. 2, a heat dissipation plate 11 and a heat sink 12 are fixedly mounted inside the housing 10; the heat dissipation plate 11 and the heat sink 12 are used to assist heat dissipation.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides a switching power supply' S dust removal heat radiation structure, includes casing (10), all be equipped with the ventilation hole on the roof of casing (10) and the both sides board, a serial communication port, first dust guard (20) have set firmly on the roof of casing (10), second dust guard (30) have set firmly on the curb plate of casing (10), first dust guard (20) are installed directly over the ventilation hole and are equipped with first dustproof ventilation hole (21) that correspond with the ventilation hole, the cross section of first dustproof ventilation hole (21) is "S" shape, be equipped with the dustproof ventilation hole of second (31) that correspond with the ventilation hole on second dust guard (30), the cross section of the dustproof ventilation hole of second (31) also is "S" shape.
2. The dust removal and heat dissipation structure of the switching power supply as claimed in claim 1, wherein the first dustproof vent hole (21) comprises an air inlet section (211), an air return section (212) and an air outlet section (213), the air inlet section (211) and the air outlet section (213) are perpendicular to the surface of the first dustproof plate (20), the cross section of the air return section (212) is horizontal in an "S" shape, one end of the air return section (212) is communicated with the lower end of the air inlet section (211), the other end of the air return section is communicated with the upper end of the air outlet section (213), and the structure of the second dustproof vent hole (31) is completely the same as that of the first dustproof vent hole (21).
3. The dust removal and heat dissipation structure of the switching power supply as claimed in claim 1, wherein the second dust-proof plate (30) comprises a substrate (301) and a resin plate (302), the resin plate (302) is embedded in the substrate (301), the outer surfaces of the substrate (301) and the resin plate (302) are flush, the resin plate (302) is symmetrically arranged on two sides of the substrate (301), the second dust-proof ventilation holes (31) are arranged on the resin plate (302), and corresponding through holes are arranged on the substrate (301).
4. The dust-removing and heat-dissipating structure of the switching power supply according to claim 3, wherein the base plate (301) is provided with heat-dissipating fins (303), and the heat-dissipating fins (303) are disposed between the two resin plates (302).
5. The dust removal and heat dissipation structure of the switching power supply as claimed in claim 4, wherein fixing pieces (304) are provided at upper and lower ends of the second dust-proof plate (30), and the fixing pieces (304) are connected with a top plate of the casing (10) by screws.
6. The dust removal and heat dissipation structure of the switching power supply as claimed in claim 2 or 3, wherein the first dust-proof plate (20) and the resin plate (302) are both transparent organic glass plates.
7. The dust removal and heat dissipation structure of the switching power supply as claimed in claim 1, wherein a heat dissipation plate (11) and a heat sink (12) are fixedly mounted inside the housing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920354803.5U CN210157501U (en) | 2019-03-18 | 2019-03-18 | Dust removal heat radiation structure of switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920354803.5U CN210157501U (en) | 2019-03-18 | 2019-03-18 | Dust removal heat radiation structure of switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210157501U true CN210157501U (en) | 2020-03-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920354803.5U Expired - Fee Related CN210157501U (en) | 2019-03-18 | 2019-03-18 | Dust removal heat radiation structure of switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210157501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112512239A (en) * | 2020-11-23 | 2021-03-16 | 宁波职业技术学院 | Chemical industry control instrument who possesses dustproof function |
| CN113473776A (en) * | 2021-06-30 | 2021-10-01 | 吴苏豫 | 5G communication cabinet |
-
2019
- 2019-03-18 CN CN201920354803.5U patent/CN210157501U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112512239A (en) * | 2020-11-23 | 2021-03-16 | 宁波职业技术学院 | Chemical industry control instrument who possesses dustproof function |
| CN113473776A (en) * | 2021-06-30 | 2021-10-01 | 吴苏豫 | 5G communication cabinet |
| CN113473776B (en) * | 2021-06-30 | 2022-08-19 | 伊发控股集团有限公司 | 5G communication cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |