CN210958126U - Switching power supply structure with simple waterproof function and heat dissipation - Google Patents
Switching power supply structure with simple waterproof function and heat dissipation Download PDFInfo
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- CN210958126U CN210958126U CN201922147109.9U CN201922147109U CN210958126U CN 210958126 U CN210958126 U CN 210958126U CN 201922147109 U CN201922147109 U CN 201922147109U CN 210958126 U CN210958126 U CN 210958126U
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Abstract
The utility model discloses a switching power supply structure with simple waterproof function and heat dissipation, which consists of an upper shell and a lower shell, wherein the upper surface and the side surface of the upper shell are provided with a plurality of heat dissipation fins, the side surface of the upper shell is provided with a plurality of through holes, the side surface and the bottom surface of the lower shell are provided with a plurality of through holes, when the upper shell is sleeved on the lower shell, a certain gap is left between the inner wall of the upper shell and the outer wall of the lower shell, so that a passage is formed between the through holes, thereby facilitating the heat dissipation, the height difference exists between the position of the through holes on the lower shell and the position of the through holes on the upper shell, the probability of rainwater entering the lower shell can be greatly reduced, and the possibility of short circuit; the utility model discloses make switching power supply compromise the heat dissipation simultaneously on having simple and easy waterproof function's basis, have extensive suitability, be fit for extensively promoting.
Description
Technical Field
The utility model relates to the field of electronic technology, concretely relates to switching power supply structure with simple and easy waterproof function and heat dissipation.
Background
The switching power supply is a switching mode power supply, also called as an exchange power supply and a switching converter, is a high-frequency power conversion device, and is a power supply. With the continuous development of the electronic industry, the switching power supply is widely used due to the characteristics of small volume, light weight, low power consumption and high efficiency.
But current switching power supply's rainwater proof performance is generally relatively poor, if adopt totally enclosed's structure then can make the holistic waterproof performance of switching power supply better, but can lead to the heat that switching power supply produced to be overstocked in inside, along with switching power supply's continuous work, the heat is constantly accumulated, and the time is a long time then can cause the hidden danger of the inside short circuit of switching power supply. If adopt the structure of fretwork casing, though the radiating effect has improved, but can make the holistic waterproof performance of switching power supply relatively poor, in case there is water to spatter the inside case that falls to switching power supply, then can cause the short circuit of circuit board in the switching power supply very easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a switching power supply structure with simple and easy waterproof function and heat dissipation to solve switching power supply and can't compromise the problem between heat dissipation and simple and easy waterproof.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a switching power supply structure with simple and easy waterproof function and heat dissipation, includes the upper casing, lower casing, circuit board, wherein: the outer surface of the upper shell is provided with a plurality of radiating fins, and the side edge of the upper shell is provided with a plurality of first through holes; a plurality of second through holes are formed in the side edge of the lower shell, a plurality of third through holes are formed in the bottom surface of the lower shell, a first baffle and a second baffle are arranged in the lower shell, and a drying agent is placed between the first baffle and the second baffle to ensure the drying in the shell; a supporting plate for mounting a circuit board is arranged in the lower shell; the bottom of the supporting plate is provided with two small supporting plates for supporting the supporting plate; the height of the small supporting plate is lower than that of the second baffle; a gap is reserved between the inner wall of the left side wall of the upper shell and the outer wall of the left side wall of the lower shell and used for air circulation; the circuit board is mounted on the support plate.
Preferably, the outer surface of the upper shell is uniformly distributed with radiating fins which can be cuboids, cubes and the like.
Preferably, the side of the upper shell is provided with a plurality of first through holes, the shapes of the first through holes and the second through holes can be the same or different, and the shapes of the first through holes and the second through holes can be round, square or irregular.
Preferably, the number of the first through holes on the upper shell, the number of the second through holes on the lower shell and the number of the third through holes on the lower shell are different from each other.
Preferably, there is a height difference between the first through hole and the second through hole, and the height of the second through hole is higher than the height of the first through hole.
Preferably, the bottom surface of the lower shell is provided with a plurality of third through holes, and the range of the third through holes is within a rectangular range formed by the two small supporting plates and the two second baffles.
Preferably, an air duct for air circulation is formed among the first through hole on the upper shell, the second through hole on the lower shell and the third through hole on the lower shell.
The side wall of the upper shell is provided with a communication interface, and the side wall of the lower shell is provided with a notch, so that wiring is facilitated.
Preferably, the material of the upper shell and the lower shell is steel plate or stainless steel.
The utility model discloses a technological effect and advantage: the utility model discloses a on the basis of realizing simple and easy waterproof function, assist the heat dissipation through heat radiation fins, inside wind channel for switching power supply still possesses good radiating effect when possessing simple and easy waterproof function, has solved the effect that traditional switching power supply can't compromise between simple and easy waterproof and heat dissipation.
Drawings
Fig. 1 is a schematic structural view of a switching power supply structure with simple waterproof function and heat dissipation;
fig. 2 is a sectional view of a switching power supply structure having a simple waterproof function and heat dissipation;
fig. 3 is a sectional view of a lower case of a switching power supply structure having a simple waterproof function and heat dissipation;
fig. 4 is a bottom view of a switching power supply structure with simple waterproof function and heat dissipation.
In the figure: 1-a first screw hole, 2-a first through hole, 3-a communication interface, 4-an upper shell, 5-a heat radiating fin, 6-a second nut, 7-a circuit board, 8-a second screw hole, 9-a first nut, 10-a first screw hole, 11-a second through hole, 12-a lower shell, 13-a notch, 14-a second baffle, 15-a first baffle, 16-a second screw hole, 17-a support plate, 18-a third through hole, 19-a small support plate, 20-a drying agent and 21-an air duct.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-4 of the 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.
The utility model provides a switching power supply structure with simple and easy waterproof function and heat dissipation as shown in fig. 1-4, including last casing 4, lower casing 12 and circuit board 7.
As shown in fig. 1, a plurality of heat dissipation fins 5 are arranged on the outer surface of the upper shell 4, and a plurality of first through holes 2 are arranged on the side edge of the upper shell 4; a plurality of second through holes 11 are formed in the side edge of the lower shell 12, a plurality of third through holes 18 are formed in the bottom surface of the lower shell 12, a first baffle 15 and a second baffle 14 are arranged in the lower shell 12, and a drying agent 20 is placed between the first baffle 15 and the second baffle 14 to ensure the drying in the shell; a supporting plate 17 for mounting a circuit board is arranged inside the lower shell 12; two small supporting plates 19 are arranged at the bottom of the supporting plate 17, and the small supporting plates 19 are used for supporting the supporting plate 17; the small supporting plate 19 is lower than the second baffle plate 14; a gap is reserved between the inner wall of the left side wall of the upper shell 4 and the outer wall of the left side wall of the lower shell 12 for air circulation; the circuit board 7 is mounted on the support plate 17.
As shown in fig. 1, specifically, the heat dissipating fins 5 are uniformly distributed on the outer surface of the upper housing 4, the heat dissipating fins 5 may be rectangular, cubic, or the like, and the thickness of the heat dissipating fins is 1 to 2 mm, so that the heat dissipating effect of the heat dissipating fins is better.
As shown in fig. 1, specifically, a plurality of first through holes 2 are formed in a side edge of the upper housing 4, the first through holes 2 and the second through holes 11 may be the same or different in shape, and the first through holes 2 and the second through holes 11 may be circular, square, irregular, and the like.
As shown in fig. 1, specifically, the number of the first through holes 2 in the upper housing 4, the number of the second through holes 11 in the lower housing 12, and the number of the third through holes 18 in the lower housing 12 are different from each other, so that when air flows, different pressures are formed among the three, thereby generating power for circulating the air.
As shown in fig. 2, specifically, there is a height difference between the first through hole 2 and the second through hole 11, and the height of the second through hole 11 is higher than that of the first through hole 2, so that even if rainwater splashes into the first through hole 2, it is difficult to pass through the second through hole 11; the drying agent 20 is arranged between the first baffle 15 and the second baffle 14, so even a small amount of rainwater enters the second through hole 11, the rainwater can be quickly absorbed by the drying agent 20, and the possibility of short circuit of the circuit board 7 due to water inflow is reduced.
As shown in fig. 2-4, specifically, the bottom surface of the lower shell 12 is provided with a plurality of third through holes 18, and the range of the third through holes 18 is within the rectangular range formed by the two small support plates 19 and the two second baffles 14, so as to prevent the third through holes 18 from damaging the structure of the lower shell.
As shown in fig. 2, specifically, an air duct 21 for air circulation is formed between the first through hole 2 on the upper casing 4, the second through hole 11 on the lower casing 12, and the third through hole 18 on the lower casing 12, so that heat generated by the operation of the circuit board 7 inside the switching power supply can be dissipated from the air duct 21.
As shown in fig. 1, the communication interface 3 is disposed on the sidewall of the upper housing 4, and the notch 13 is disposed on the sidewall of the lower housing 12 for facilitating wiring.
As shown in fig. 1, the material of the upper case 4 and the lower case 12 is specifically a steel plate or stainless steel.
The working principle is as follows: the utility model discloses a on the basis of realizing simple and easy waterproof function, carry out supplementary heat dissipation through heat radiation fins 5, inside wind channel 21, the dislocation set of first through-hole 2 and second through-hole 11 makes switching power supply still possess good radiating effect when possessing simple and easy waterproof function, has solved the effect that traditional switching power supply can't compromise between simple and easy waterproof and heat dissipation.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (9)
1. The utility model provides a switching power supply structure with simple and easy waterproof function and heat dissipation, includes casing (4), lower casing (12), circuit board (7), its characterized in that: a plurality of radiating fins (5) are arranged on the outer surface of the upper shell (4), and a plurality of first through holes (2) are formed in the side edge of the upper shell (4); a plurality of second through holes (11) are formed in the side edge of the lower shell (12), a plurality of third through holes (18) are formed in the bottom surface of the lower shell (12), a first baffle (15) and a second baffle (14) are arranged in the lower shell (12), and a drying agent (20) is placed between the first baffle (15) and the second baffle (14) to ensure the drying in the shell; a supporting plate (17) for mounting a circuit board is arranged in the lower shell (12); two small supporting plates (19) are arranged at the bottom of the supporting plate (17), and the small supporting plates (19) are used for supporting the supporting plate (17); the small supporting plate (19) is lower than the second baffle plate (14); a gap is reserved between the inner wall of the left side wall of the upper shell (4) and the outer wall of the left side wall of the lower shell (12) for air circulation; the circuit board (7) is mounted on a support plate (17).
2. The switching power supply structure with simple waterproof function and heat dissipation according to claim 1, characterized in that: the outer surface of the upper shell (4) is uniformly distributed with radiating fins (5), and the radiating fins (5) can be cuboids, cubes and the like.
3. The switching power supply structure with simple waterproof function and heat dissipation according to claim 1, characterized in that: a plurality of first through holes (2) are formed in the side edge of the upper shell (4), the shapes of the first through holes (2) and the second through holes (11) can be the same or different, and the shapes of the first through holes (2) and the second through holes (11) can be circular, square or irregular.
4. The switching power supply structure with simple waterproof function and heat dissipation according to claim 1, characterized in that: the number of the first through holes (2) on the upper shell (4), the number of the second through holes (11) on the lower shell (12) and the number of the third through holes (18) on the lower shell (12) are different from each other.
5. The switching power supply structure with simple waterproof function and heat dissipation according to claim 1, characterized in that: the first through hole (2) and the second through hole (11) have a height difference, and the height of the second through hole (11) is higher than that of the first through hole (2).
6. The switching power supply structure with simple waterproof function and heat dissipation according to claim 1, characterized in that: the bottom surface of the lower shell (12) is provided with a plurality of third through holes (18), and the range of the third through holes (18) is in the rectangular range formed by the two small supporting plates (19) and the two second baffles (14).
7. The switching power supply structure with simple waterproof function and heat dissipation according to claim 1, characterized in that: an air duct (21) for air circulation is formed among the first through hole (2) on the upper shell (4), the second through hole (11) on the lower shell (12) and the third through hole (18) on the lower shell (12).
8. The switching power supply structure with simple waterproof function and heat dissipation according to claim 1, characterized in that: the side wall of the upper shell (4) is provided with a communication interface (3), and the side wall of the lower shell (12) is provided with a notch (13) for facilitating wiring.
9. The switching power supply structure with simple waterproof function and heat dissipation according to claim 1, characterized in that: the upper shell (4) and the lower shell (12) are made of steel plates or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147109.9U CN210958126U (en) | 2019-12-04 | 2019-12-04 | Switching power supply structure with simple waterproof function and heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147109.9U CN210958126U (en) | 2019-12-04 | 2019-12-04 | Switching power supply structure with simple waterproof function and heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210958126U true CN210958126U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922147109.9U Active CN210958126U (en) | 2019-12-04 | 2019-12-04 | Switching power supply structure with simple waterproof function and heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210958126U (en) |
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- 2019-12-04 CN CN201922147109.9U patent/CN210958126U/en active Active
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