CN211378482U

CN211378482U - High-efficiency heat dissipation device for high-power module

Info

Publication number: CN211378482U
Application number: CN202020129698.8U
Authority: CN
Inventors: 徐东
Original assignee: Shanghai Jiyuan Electromechanical Technology Co ltd
Current assignee: Shanghai Jiyuan Electromechanical Technology Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-08-28
Anticipated expiration: 2030-01-20

Abstract

The utility model discloses a high power is high-efficient heat abstractor for power module, including the box, the box includes front bezel, curb plate and back plate, and the cavity guide plate is installed to the inside bottom surface of box, and the cavity guide plate fixed mounting has a plurality of heat conduction strips on the surface, and has the interval between two adjacent heat conduction strips, is provided with the wind-guiding mouth on the tip of cavity guide plate orientation back plate, and the bottom surface of box is provided with a plurality of bottom holes. The utility model discloses in power module air all around gets into to the cavity guide plate along the guide plate in, go out from air outlet department, play radiating action all around, and the heat of power module bottom surface passes through the heat conduction strip transmission, high-efficient radiating effect has, the air of box bottom surface can enter into to the cavity guide plate in along the bottom hole, indirect cooling heat conduction strip, the side of heat conduction strip also can contact with outside air, strengthen the cooling action of heat conduction strip, further strengthen power module's radiating effect, whole radiating effect is good.

Description

High-efficiency heat dissipation device for high-power module

Technical Field

The utility model relates to a power heat dissipation field, in particular to high power is high-efficient heat abstractor for power module.

Background

The source is a device for converting energy in other forms into electric energy, and the size of the device is different according to different power supply devices, for example, power supplies of computer rooms, communication company rooms and the like are very large in size. And places such as laboratory, the volume is just less, and the power is influenced by power supply unit in the use to and self consumption etc. generate heat easily, not only influences power self life-span, also can influence power supply unit's life, so heat dissipation cooling in the power use is very important, and the most power module bottom surfaces of current power module heat abstractor lead to the heat gathering to be difficult to give off because of fixed mounting's the reason.

Disclosure of Invention

The to-be-solved technical problem of the utility model is overcome prior art's defect, a high-efficient heat abstractor is used to high power module is provided, air around power module enters into to the cavity guide plate along the guide plate in, go out from air outlet department, play radiating effect all around, and the heat of power module bottom surface passes through the heat conduction strip transmission, high-efficient radiating effect has, the air of box bottom surface can enter into to the cavity guide plate in along the bottom hole, indirect cooling heat conduction strip, the air of box side enters into to the box through the side wind gap on the curb plate surface of both sides, strengthen the cooling effect of heat conduction strip, further strengthen power module's radiating effect, whole radiating effect is good.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a high-efficiency heat dissipation device for a high-power module, which comprises a box body, wherein the box body comprises a front plate, a side plate and a rear plate, the rear plate and the box body are formed by fixed injection molding, a fan is installed at the top of the front plate, a power module is installed inside the box body, a hollow guide plate is installed at the bottom surface inside the box body, a plurality of heat conduction strips are fixedly installed on the surface of the hollow guide plate, a space is reserved between two adjacent heat conduction strips, a wind guide opening is arranged on the end part of the hollow guide plate facing the rear plate, a wind outlet is arranged on the outer surface of the end part of the front plate facing the hollow guide plate, a plurality of air inlet grids are arranged on the outer surface of the side plate, side wind openings are arranged at the bottom of the air inlet grids, bayonets are arranged on the, the bottom surface of the box body is provided with a plurality of bottom holes.

As an optimal technical scheme of the utility model, all install fixing bolt on front bezel and the curb plate.

As an optimized technical scheme of the utility model, power module's underrun supports through the heat conduction strip on cavity water conservancy diversion board surface.

As an optimized technical proposal of the utility model, the heat conducting strip is made of heat conducting silicone grease material.

As an optimized technical scheme of the utility model, the bottom hole is linked together with hollow guide plate.

As an optimized technical scheme of the utility model, power module is connected with the cavity guide plate through the heat conduction strip.

As an optimal technical scheme of the utility model, the side wind gap is rectangle notch structure, and side wind gap and heat conduction strip are in same horizontal plane height.

As an optimized technical scheme of the utility model, still install the guide plate on the inner wall contained angle of box, and the guide plate is located the top of wind-guiding mouth.

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

the utility model discloses air all around at power module enters into to the cavity guide plate in along the guide plate, go out from air outlet department, play radiating action all around, and the heat of power module bottom surface passes through the heat conduction strip transmission, high-efficient radiating effect has, the air of box bottom surface can enter into to the cavity guide plate in along the bottom hole, indirect cooling heat conduction strip, the air of box side enters into to the box through the side wind gap on the curb plate surface of both sides in, strengthen the cooling effect of heat conduction strip, further strengthen power module's radiating effect, whole radiating effect is good.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is an overall structure of the present invention;

FIG. 2 is a front panel structure of the present invention;

FIG. 3 is a side panel structure view of the present invention;

FIG. 4 is a connection structure diagram of the hollow guide plate and the heat conducting strip of the present invention;

in the figure: 1. a box body; 2. a front plate; 3. a side plate; 4. a back plate; 5. a fan; 6. a power supply module; 7. a hollow flow guide plate; 8. a heat conducting strip; 9. a wind guide opening; 10. an air outlet; 11. an air inlet grid; 12. a side tuyere; 13. a bayonet; 14. a fastener; 15. a bottom hole; 16. fixing the bolt; 17. a baffle.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention. Wherein like reference numerals refer to like parts throughout.

In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example 1

Referring to fig. 1-4, the utility model provides a high-efficiency heat dissipation device for high-power module, comprising a box body 1, the box body 1 comprises a front plate 2, a side plate 3 and a rear plate 4, the rear plate 4 and the box body 1 are formed by fixed injection molding, a fan 5 is installed on the top of the front plate 2, a power module 6 is installed inside the box body 1, a hollow guide plate 7 is installed on the inner bottom surface of the box body 1, a plurality of heat conduction strips 8 are fixedly installed on the surface of the hollow guide plate 7, a space is arranged between two adjacent heat conduction strips 8, an air guide opening 9 is arranged on the end part of the hollow guide plate 7 facing the rear plate 4, an air outlet 10 is arranged on the outer surface of the end part of the hollow guide plate 7 facing the front plate 2, a plurality of air inlet grids 11 are arranged on the outer surface of the side plate 3, so that the, side wind gap 12 has been seted up to the bottom of air inlet grid 11, is provided with bayonet 13 on the both sides inner wall of box 1, and the top both sides surface mounting of front bezel 2 has buckle 14 corresponding with bayonet 13, conveniently pegs graft front bezel 2 on box 1 on bayonet 13 through buckle 14, and rethread fixing bolt 16 fastens, and the bottom surface of box 1 is provided with a plurality of bottom holes 15.

Further, all install fixing bolt 16 on front bezel 2 and the curb plate 3, make things convenient for front bezel 2, curb plate 3 to pass through fixing bolt 16 fixed combination and install into box 1.

The bottom surface of the power module 6 is supported by the heat conducting strips 8 on the surface of the hollow guide plate 7, and the bottom surface of the power module 6 is contacted with the heat conducting strips 8, so that the contact surface at the bottom of the power module 6 is reduced.

The heat conducting strips 8 are made of heat conducting silicone grease materials, have good heat conducting effect and can conduct heat on the bottom surface of the power supply module 6 to the hollow guide plate 7.

Bottom hole 15 and hollow guide plate 7 are linked together, and the air of box 1 bottom surface can enter into hollow guide plate 7 along bottom hole 15 in, has the effect of cooling hollow guide plate 7, and simultaneously under the humid condition, the moisture enters into hollow guide plate 7 department from bottom hole 15, can enough play the effect of bottom surface in the cooling box 1, and cavity guide plate 7 plays the effect that prevents power module 6 and wet simultaneously.

The power module 6 is connected with the hollow guide plate 7 through the heat conducting strip 8, and the heat on the bottom surface of the power module 6 is transferred to the hollow guide plate 7 through the heat conducting strip 8.

Side wind gap 12 is the rectangle notch structure, and side wind gap 12 and heat conduction strip 8 are in same horizontal plane height, and curb plate 3 is installed in power module 6's both sides, and outside air can enter into to box 1 in through the side wind gap 12 on the 3 surfaces of both sides curb plate, strengthens heat conduction strip 8's cooling action.

Still install guide plate 17 on the inner wall contained angle of box 1, and guide plate 17 is located the top of wind-guiding mouth 9, and fan 5 with the air suction to box 1 back in, guide plate 17 plays the water conservancy diversion effect, and the air current enters into to cavity guide plate 7 to wind-guiding mouth 9 department for there is the difference in temperature in cavity guide plate 7 and between power module 6, plays the radiating effect.

Specifically, after the power module 6 is installed in the box body 1, the bottom surface of the power module 6 is supported by the heat conduction strips 8 on the surface of the hollow guide plate 7, the bottom surface of the power module 6 is contacted with the heat conduction strips 8, the contact surface of the bottom of the power module 6 is reduced, high heat accumulation on the bottom surface of the power module 6 is prevented, after the fan 5 sucks air into the box body 1, the guide plate 17 plays a role in guiding the air flow into the hollow guide plate 7 from the air guide opening 9, so that the temperature difference exists between the inside of the hollow guide plate 7 and the power module 6, the heat dissipation effect is achieved, the air on the bottom surface of the box body 1 enters the hollow guide plate 7 along the bottom hole 15, the hollow guide plate 7 has a role in cooling the hollow guide plate 7, meanwhile, under a humid condition, moisture enters the hollow guide plate 7 from the bottom hole 15 to the hollow guide plate 7, the role in cooling the inner bottom surface of the box body, the air of box 1 side enters into box 1 through the side wind gap 12 on the 3 surfaces of both sides curb plate in, strengthens heat conduction strip 8's cooling effect, further strengthens power module 6's radiating effect, power module 6 air all around enters into to cavity guide plate 7 in along guide plate 17, goes out from air outlet 10, plays the radiating effect all around, and the heat of power module 6 bottom surface passes through heat conduction strip 8 transmission, has high-efficient radiating effect.

The utility model discloses in power module 6 air all around enters into to cavity guide plate 7 along guide plate 17, go out from air outlet 10, play radiating action all around, and the heat of power module 6 bottom surface passes through heat conduction strip 8 transmission, high-efficient radiating effect has, the air of 1 bottom surface of box can enter into to cavity guide plate 7 in along bottom hole 15, indirect cooling heat conduction strip 8, the air of 1 side of box enters into to box 1 through the side wind gap 12 on 3 surfaces of both sides curb plate, strengthen heat conduction strip 8's cooling effect, further strengthen power module 6's radiating effect, whole radiating effect is good.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. A high-efficiency heat dissipation device for a high-power module comprises a box body (1) and is characterized in that the box body (1) comprises a front plate (2), side plates (3) and a rear plate (4), the rear plate (4) and the box body (1) are formed by fixed injection molding, a fan (5) is installed at the top of the front plate (2), a power module (6) is installed inside the box body (1), a hollow guide plate (7) is installed on the bottom surface inside the box body (1), a plurality of heat conduction strips (8) are fixedly installed on the surface of the hollow guide plate (7), a space is reserved between every two adjacent heat conduction strips (8), an air guide opening (9) is formed in the end part, facing the rear plate (4), of the hollow guide plate (7), an air outlet (10) is formed in the outer surface of the end part, facing the front plate (2), of the side plates (3) are provided with a plurality of air inlet grids (11), side wind gap (12) have been seted up to the bottom of air inlet grid (11), be provided with bayonet socket (13) on the both sides inner wall of box (1), the top both sides surface mounting of front bezel (2) has buckle spare (14) corresponding with bayonet socket (13), the bottom surface of box (1) is provided with a plurality of bottom outlets (15).

2. The efficient heat dissipation device for the high-power module as recited in claim 1, wherein fixing bolts (16) are mounted on the front plate (2) and the side plates (3).

3. The efficient heat dissipation device for high-power supply module according to claim 1, wherein the bottom surface of the power supply module (6) is supported by the heat conduction strips (8) on the surface of the hollow flow guide plate (7).

4. The efficient heat dissipation device for the high-power module as recited in claim 1, wherein the heat conduction strip (8) is made of a heat-conducting silicone grease material.

5. The efficient heat dissipation device for the high-power supply module according to claim 1, wherein the bottom hole (15) is communicated with the hollow flow guide plate (7).

6. The efficient heat dissipation device for the high-power module according to claim 1, wherein the power module (6) is connected with the hollow flow guide plate (7) through a heat conduction strip (8).

7. The efficient heat dissipation device for the high-power supply module as recited in claim 1, wherein the side air opening (12) is a rectangular notch structure, and the side air opening (12) and the heat conduction strip (8) are at the same horizontal level.

8. The efficient heat dissipation device for the high-power module according to claim 1, wherein a guide plate (17) is further installed on an included angle of an inner wall of the box body (1), and the guide plate (17) is located at the top of the air guide opening (9).