CN212367827U

CN212367827U - Waterproof switch power supply shell

Info

Publication number: CN212367827U
Application number: CN202021484165.8U
Authority: CN
Inventors: 薛涛; 胡荣刚
Original assignee: Guangzhou Aipu Electron Technology Co ltd
Current assignee: Guangzhou Aipu Electron Technology Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-01-15
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a waterproof switch power supply shell, which comprises a box body, wherein a circuit board is fixedly arranged at the inner side of the box body, and the left and right ends of the circuit board are respectively provided with a plurality of air passing openings which are uniformly arranged, the middle parts of the front and back side walls of the box body are respectively provided with a plurality of heat dissipation openings which are uniformly arranged, the heat dissipation port is arranged close to the bottom of the inner side of the box body, the upper port of the box body is fixedly provided with a cover plate, the central part of the upper surface of the cover plate is provided with an air inlet, the inner side of the air inlet is fixedly provided with an air inlet fan, the upper end of the air inlet is provided with a filter plate, the air inlet fan continuously blows air to the circuit board on the inner side of the box body, air flow blows to air passing openings at two ends of the circuit board, flows downwards to the lower portion of the circuit board, flows to the heat dissipation opening in the middle of the circuit board and is discharged, and the heat dissipation effect and the high heat dissipation efficiency are achieved when large-area heat dissipation is conducted on the upper surface and the lower surface of the circuit board.

Description

Waterproof switch power supply shell

Technical Field

The utility model relates to a switching power supply technical field specifically is a waterproof switching power supply shell.

Background

A switch mode power supply, also called a switching power supply or 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 or a dc power supply, and the output is mostly an apparatus requiring a dc power supply, such as a personal computer, and the switching power supply performs voltage and current conversion between the two.

The applicant of the utility model finds that the existing switching power supply is easy to be damaged due to low heat dissipation efficiency generated during working.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof switching power supply shell aims at improving the problem that current switching power supply dispels the inefficiency at the thermal row that the during operation produced.

The utility model discloses a realize like this:

the utility model provides a waterproof switching power supply shell, comprises a box bod, the inboard of box body is fixed to be provided with the circuit board, and both ends all are provided with the wind gap of crossing of a plurality of align to grid about the circuit board, the middle part of lateral wall all is provided with the thermovent of a plurality of align to grid around the box body, and the thermovent is close to the inboard bottom setting of box body, the fixed apron that is provided with of last port of box body, and the upper surface central point that is located the apron is provided with the air inlet, the inboard fixed fan that admits air that is provided with of air inlet.

Further, the lower surface of apron is provided with bellied ka tai, and both ends all establish the buckle that is provided with downwardly extending about the apron, are provided with the bayonet socket on the buckle, and the lower surface of ka tai is provided with the compression leg, and the compression leg is made for rubber materials.

Furthermore, the surface of the circuit board is provided with positioning holes close to the left end and the right end, and the inner sides of the positioning holes are clamped with elastic sleeves.

Furthermore, the elastic sleeve is made of rubber materials, and the elastic sleeve is arranged in an I shape.

Further, the inboard bottom of box body is provided with the support column, and the upper end of support column be provided with locating hole complex reference column, the both ends of box body all are provided with the installation limit, and the inboard of box body is provided with the lasso of fixing the circuit board, the both ends of box body be provided with buckle complex dop.

Furthermore, the ferrule is made of rubber materials, and a clamping groove matched with the circuit board is formed in the ferrule.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in through the continuous circuit board to the box body inboard of the fan that admits air that sets up blow and make the air current blow off and the downward flow to the below of circuit board and flow to the thermovent of middle part and then discharge to the wind gap of crossing at the both ends of circuit board, realize carrying out the heat dissipation of large tracts of land on the surface about the circuit board and have better radiating effect and higher radiating efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of a waterproof switching power supply housing shown in the present invention;

fig. 2 is a schematic diagram of a cover plate of a waterproof switching power supply housing according to the present invention;

fig. 3 is a schematic diagram of a circuit board of a waterproof switching power supply housing according to the present invention;

fig. 4 is a schematic diagram of a box body of a waterproof switch power supply housing shown in the present invention;

fig. 5 is a ferrule schematic diagram of a waterproof switch power supply housing according to the present invention.

In the figure: 1. a cover plate; 11. a plate; 12. buckling the plate; 13. clamping a platform; 14. pressing the column; 15. An air inlet fan; 16. a bayonet; 2. a box body; 21. a ferrule; 211. a card slot; 22. a support pillar; 23. a positioning column; 24. clamping a head; 25. installing edges; 26. a heat dissipation port; 3. a circuit board; 31. an elastic sleeve; 32. an air passing port; 33. and (7) positioning the holes.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Embodiment 1, referring to fig. 1, fig. 2, fig. 3 and fig. 4 specifically, a waterproof switch power supply casing includes a box body 2, a circuit board 3 is fixedly disposed inside the box body 2, a plurality of air passing holes 32 are uniformly disposed at both left and right ends of the circuit board 3, a plurality of heat dissipating holes 26 are uniformly disposed at middle portions of front and rear side walls of the box body 2, the heat dissipating holes 26 are disposed near the bottom of the inside of the box body 2, a cover plate 1 is fixedly disposed at an upper port of the box body 2, an air inlet is disposed at a central portion of an upper surface of the cover plate 1, an air inlet fan 15 is fixedly disposed inside the air inlet, a filter plate 11 is disposed at an upper end of the air inlet, and air is continuously blown toward the circuit board 3 inside the box body 2 by the air inlet fan 15, such that air flows downward toward the air passing holes 32 at both ends of the circuit board 3 and flows toward the heat dissipating holes 26 at the middle, the circuit board 3 has good heat dissipation effect and high heat dissipation efficiency by realizing large-area heat dissipation on the upper surface and the lower surface of the circuit board.

Specifically, referring to fig. 2, a raised clamping table 13 is disposed on the lower surface of the cover plate 1, two downwardly extending buckling plates 12 are disposed at the left and right ends of the cover plate 1, a bayonet 16 is disposed on the buckling plate 12, a pressing post 14 is disposed on the lower surface of the clamping table 13, the pressing post 14 is made of rubber material, the cover plate 1 is clamped at the upper port of the box body 2 through the clamping table 13, and is fastened and fixed with the box body 2 through the buckling plates 12.

Specifically, referring to fig. 3, the surface of the circuit board 3 is provided with positioning holes 33 near the left and right ends, and elastic sleeves 31 are clamped on the inner sides of the positioning holes 33, the positioning holes 33 are more stably matched with the positioning columns 23 to avoid shaking through the arranged elastic sleeves 31, the elastic sleeves 31 are made of rubber materials, the elastic sleeves 31 are arranged in an i-shaped position, and the elastic sleeves 31 are made of rubber materials and have better friction force and elasticity.

Specifically, referring to fig. 4, a supporting column 22 is disposed at the bottom of the inner side of the box body 2, a positioning column 23 matched with the positioning hole 33 is disposed at the upper end of the supporting column 22, mounting edges 25 are disposed at both ends of the box body 2, a ferrule 21 for fixing the circuit board 3 is disposed at the inner side of the box body 2, clamping heads 24 matched with the pinch plates 12 are disposed at both ends of the box body 2, positioning matching with the positioning hole 33 is achieved through the positioning column 23, and the circuit board 3 is prevented from shaking due to stable sleeving of the ferrule 21.

Specifically, referring to fig. 5, the ferrule 21 is made of a rubber material, and a card slot 211 matched with the circuit board 3 is formed in the ferrule 21, so that the circuit board 3 can be clamped through the card slot 211.

The working principle is that when the power supply works, the air is continuously blown to the circuit board 3 on the inner side of the box body 2 by the air inlet fan 15, flows downwards to the lower part of the circuit board 3 through the air inlet 32, flows to the heat dissipation port 26 at the middle part and is then discharged for heat dissipation, and the arranged ferrule 21 is used for fixedly sleeving the edge of the circuit board 3, so that the circuit board 3 can be protected when the box body 2 is collided.

The device obtained by the design can basically meet the requirement of high heat dissipation efficiency of the existing switching power supply during operation, but the designer further improves the device with the aim of further improving the function.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a waterproof switching power supply shell, includes box body (2), its characterized in that: the inboard of box body (2) is fixed and is provided with circuit board (3), and circuit board (3) all be provided with a plurality of align to grid cross wind gap (32) at both ends about, the middle part of lateral wall all is provided with thermovent (26) of a plurality of align to grid around box body (2), and thermovent (26) are close to the inboard bottom setting of box body (2), the fixed apron (1) that is provided with of last port of box body (2), and the upper surface central point that is located apron (1) is provided with the air inlet, the inboard fixed air inlet fan (15) that is provided with of air inlet, and the upper end of air inlet is provided with filter (11).

2. The waterproof switch power supply shell according to claim 1, wherein a raised clamping table (13) is arranged on the lower surface of the cover plate (1), the left end and the right end of the cover plate (1) are respectively provided with a downward extending buckling plate (12), a bayonet (16) is arranged on the buckling plate (12), a pressing column (14) is arranged on the lower surface of the clamping table (13), and the pressing column (14) is made of rubber materials.

3. The waterproof switch power supply shell according to claim 2, wherein the surface of the circuit board (3) is provided with positioning holes (33) near the left and right ends, and the elastic sleeve (31) is clamped and installed at the inner side of the positioning holes (33).

4. The waterproof switch power supply shell according to claim 3, wherein the elastic sleeve (31) is made of rubber material, and the elastic sleeve (31) is arranged in an I shape.

5. The waterproof switch power supply shell according to claim 4, wherein a support column (22) is arranged at the bottom of the inner side of the box body (2), a positioning column (23) matched with the positioning hole (33) is arranged at the upper end of the support column (22), mounting edges (25) are arranged at both ends of the box body (2), a ferrule (21) used for fixing the circuit board (3) is arranged at the inner side of the box body (2), and clamping heads (24) matched with the clamping plates (12) are arranged at both ends of the box body (2).

6. The waterproof switch power supply shell according to claim 5, wherein the ferrule (21) is made of rubber material, and a clamping groove (211) matched with the circuit board (3) is arranged on the ferrule (21).