CN213242187U - Fan-free self-cooling rainproof switching power supply - Google Patents
Fan-free self-cooling rainproof switching power supply Download PDFInfo
- Publication number
- CN213242187U CN213242187U CN202022182211.5U CN202022182211U CN213242187U CN 213242187 U CN213242187 U CN 213242187U CN 202022182211 U CN202022182211 U CN 202022182211U CN 213242187 U CN213242187 U CN 213242187U
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- China
- Prior art keywords
- power supply
- fixedly connected
- heat
- switching power
- heat dissipation
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- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims abstract description 33
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 17
- 239000004519 grease Substances 0.000 claims abstract description 13
- 239000003292 glue Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 239000006185 dispersion Substances 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
- Dc-Dc Converters (AREA)
Abstract
The utility model relates to the field of electric power technology, and a no fan self-cooling rain-proof switching power supply is disclosed, the device comprises a device casing, side fixedly connected with transformer around the inner chamber left side of device casing, the lower extreme fixedly connected with heat conduction silicone grease layer of transformer, the fixed heat dissipation extension board that is equipped with of lower extreme on heat conduction silicone grease layer, the lower extreme of heat dissipation extension board is opened there is the heat dissipation chamber, the upper end right side fixedly connected with drainage plate of transformer, the inner chamber left side lower extreme fixedly connected with supporting shoe of device casing, open on the upper portion of supporting shoe has the mounting groove, the encapsulating layer has been pour to the inside of mounting groove, the fixed circuit board of inlaying in inside of encapsulating layer, the inner chamber right-hand member upper portion fixedly connected with radiator fan of device casing, open on the upper end right side. This no fan self-cooling rainproof switching power supply, through the overall structure of equipment, the heat dispersion of increase equipment that can be great.
Description
Technical Field
The utility model relates to the field of electric power technology, specifically be a no fan self-cooling rainproof switching power supply.
Background
A switch mode power supply, also called a switching power supply, a switching converter, is a high frequency power conversion device, which is a kind of power supply. The function is to convert a level voltage into a voltage or current required by the user terminal through different types of architectures. The input of the switching power supply is mostly an ac power supply (e.g., commercial power) or a dc power supply, and the output is mostly equipment requiring a dc power supply, such as a personal computer, and the switching power supply performs voltage and current conversion between the two. The switching power supply is different from a linear power supply, a switching transistor utilized by the switching power supply is mostly switched between a fully-opened mode (saturation region) and a fully-closed mode (cut-off region), the two modes have the characteristic of low dissipation, the switching between the switching modes has higher dissipation, but the time is very short, so that the energy is saved, but when the common switching power supply is used, a transformer needs to be provided with a fan independently for heat dissipation, the cost of equipment is greatly increased, and therefore the fan-free self-cooling type rainproof switching power supply is provided.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a no fan self-cooling rainproof switching power supply, the increase that can be great the heat dispersion of equipment, and practiced thrift the cost, solved current switching power supply when the operation, the transformer need be equipped with a fan alone and dispel the heat, great increase the problem of the cost of equipment.
The utility model provides a following technical scheme: the utility model provides a no fan self-cooling rain-proof switching power supply, includes the device casing, side fixedly connected with transformer around the inner chamber left side of device casing, the lower extreme fixedly connected with heat conduction silicone layer of transformer, the fixed heat dissipation extension board that is equipped with of lower extreme on heat conduction silicone layer, the lower extreme of heat dissipation extension board is opened there is the heat dissipation chamber, the upper end right side fixedly connected with drainage plate of transformer, the inner chamber left side lower extreme fixedly connected with supporting shoe of device casing, open on the upper portion of supporting shoe has the mounting groove, the encapsulating layer has been pour to the inside of mounting groove, the fixed the inlaying in inside of encapsulating layer has the circuit board, the inner chamber right-hand member upper portion fixedly connected with radiator fan of device casing, open on the upper end right side and the.
Preferably, the number of the through holes is several, and the through holes are uniformly formed in the right side and the upper part of the right side of the upper end of the device shell.
Preferably, the left side of the heat dissipation cavity is communicated with the outside, and the right side of the heat dissipation cavity is communicated with the inner cavity of the device shell.
Preferably, the drainage plate and the vertical surface form an included angle of 30 degrees.
Preferably, two transformers are arranged, and the two transformers are connected in series.
Compared with the prior art, the utility model discloses possess following beneficial effect:
this no fan self-cooling rain-proof switching power supply, overall structure through equipment, the heat on the transformer can be absorbed to the heat conduction silicone grease layer, the heat dissipation extension board can support the transformer, and can absorb the heat that absorbs on the heat conduction silicone grease layer, the heat on the heat dissipation extension board is taken away to the air through the circulation in heat dissipation chamber, great increase the heat dispersion of equipment, need not to be equipped with a fan for the transformer, the high-efficient heat dissipation of transformer can be realized to the fan on utilization circuit board upper portion, great saving the cost of equipment.
Drawings
Fig. 1 is a sectional view of the present invention;
fig. 2 is a right sectional view of the transformer, the heat-conducting silicone layer, the heat-dissipating support plate and the heat-dissipating chamber of the present invention.
In the figure: 1. a device housing; 2. a transformer; 3. a drainage plate; 4. a thermally conductive silicone layer; 5. a heat dissipation support plate; 6. a heat dissipation cavity; 7. a support block; 8. mounting grooves; 9. a circuit board; 10. filling a glue layer; 11. a heat radiation fan; 12. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the utility model discloses a no fan self-cooling rainproof switching power supply, including device casing 1, side fixedly connected with transformer 2 around the inner chamber left side of device casing 1, transformer 2 is equipped with two, and two transformer 2 establishes ties, and transformer 2 is equipped with two, and then can be great reduce the radiating heat of a transformer 2. The lower end of the transformer 2 is fixedly connected with a heat-conducting silicone grease layer 4, the heat-conducting silicone grease layer 4 can absorb heat on the transformer 2, a heat dissipation support plate 5 is fixedly arranged at the lower end of the heat-conducting silicone grease layer 4, the heat dissipation support plate 5 can support the transformer 2 and can absorb heat absorbed on the heat-conducting silicone grease layer 4, the heat on the heat dissipation support plate 5 is taken away through air circulating in a heat dissipation cavity 6, the lower end of the heat dissipation support plate 5 is provided with a heat dissipation cavity 6, the left side of the heat dissipation cavity 6 is communicated with the outside, and the right side of the heat dissipation cavity 6 is communicated with an inner cavity of the device shell. The upper end right side fixedly connected with drainage plate 3 of transformer 2, inside drainage plate 3 can make the wind that blows get into heat dissipation chamber 6, there is the contained angle of 30 degrees in drainage plate 3 and the vertical face. Device casing 1's inner chamber left side lower extreme fixedly connected with supporting shoe 7, open on the upper portion of supporting shoe 7 has mounting groove 8, glue-pouring layer 10 has been pour to the inside of mounting groove 8, and glue-pouring layer 10 can wrap up circuit board 9's surface to make circuit board 9 have waterproof performance, circuit board 9 need weld the circuit on upper portion when the glue-pouring, glue-pouring layer 10's inside is fixed to be inlayed and is had circuit board 9, device casing 1's inner chamber right-hand member upper portion fixedly connected with radiator fan 11, radiator fan 11 adopt the current fan on the market, and radiator fan 11 passes through the external power supply of switch, open on device casing 1's upper end right side and right side upper portion has through-hole 12, the quantity of through-hole 12 is a plurality of, the even division of through-hole 12 is on device casing 1's upper.
The during operation, heat on the transformer 2 can be absorbed to heat conduction silicone grease layer 4, the fixed heat dissipation extension board 5 that is equipped with of lower extreme of heat conduction silicone grease layer 4, heat dissipation extension board 5 can support transformer 2, and can absorb the heat that absorbs on the heat conduction silicone grease layer 4, take away the heat on the heat dissipation extension board 5 through the air of the circulation of heat dissipation chamber 6, need not to be equipped with a fan for transformer 2 like this, can realize transformer 2's high-efficient heat dissipation with the fan on circuit board 9 upper portion, great saving the cost of equipment, encapsulating layer 10 can wrap up circuit board 9's surface, thereby make circuit board 9 have waterproof performance, circuit board 9 when the encapsulating, need weld the circuit on upper portion.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A no fan self-cooling rain-proof switching power supply, includes device casing (1), its characterized in that: the front side and the rear side of the left side of the inner cavity of the device shell (1) are fixedly connected with a transformer (2), the lower end of the transformer (2) is fixedly connected with a heat-conducting silicone grease layer (4), the lower end of the heat-conducting silicone grease layer (4) is fixedly provided with a heat-radiating support plate (5), the lower end of the heat dissipation support plate (5) is provided with a heat dissipation cavity (6), the right side of the upper end of the transformer (2) is fixedly connected with a drainage plate (3), the lower end of the left side of the inner cavity of the device shell (1) is fixedly connected with a supporting block (7), the upper part of the supporting block (7) is provided with an installation groove (8), a glue pouring layer (10) is poured inside the installation groove (8), a circuit board (9) is fixedly embedded in the glue filling layer (10), a heat radiation fan (11) is fixedly connected with the upper part of the right end of the inner cavity of the device shell (1), through holes (12) are formed in the right side and the upper part of the right side of the upper end of the device shell (1).
2. The fanless self-cooled rainproof switching power supply of claim 1, wherein: the number of the through holes (12) is a plurality, and the through holes (12) are uniformly arranged on the right side and the upper part of the right side of the upper end of the device shell (1).
3. The fanless self-cooled rainproof switching power supply of claim 1, wherein: the left side of the heat dissipation cavity (6) is communicated with the outside, and the right side of the heat dissipation cavity (6) is communicated with the inner cavity of the device shell (1).
4. The fanless self-cooled rainproof switching power supply of claim 1, wherein: and an included angle of 30 degrees is formed between the drainage plate (3) and the vertical surface.
5. The fanless self-cooled rainproof switching power supply of claim 1, wherein: the number of the transformers (2) is two, and the two transformers (2) are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022182211.5U CN213242187U (en) | 2020-09-29 | 2020-09-29 | Fan-free self-cooling rainproof switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022182211.5U CN213242187U (en) | 2020-09-29 | 2020-09-29 | Fan-free self-cooling rainproof switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213242187U true CN213242187U (en) | 2021-05-18 |
Family
ID=75877325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022182211.5U Expired - Fee Related CN213242187U (en) | 2020-09-29 | 2020-09-29 | Fan-free self-cooling rainproof switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213242187U (en) |
-
2020
- 2020-09-29 CN CN202022182211.5U patent/CN213242187U/en not_active Expired - Fee Related
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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: 20210518 |