CN215991789U - Heat radiator for power device - Google Patents
Heat radiator for power device Download PDFInfo
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- CN215991789U CN215991789U CN202122565691.8U CN202122565691U CN215991789U CN 215991789 U CN215991789 U CN 215991789U CN 202122565691 U CN202122565691 U CN 202122565691U CN 215991789 U CN215991789 U CN 215991789U
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- heat dissipation
- shell
- circuit board
- fixedly connected
- wall
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 93
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a heat dissipation device of a power supply power device, which belongs to the technical field of power supply power devices and comprises a shell, a protection plate and a circuit board, wherein the circuit board is fixedly connected inside the shell; according to the utility model, the heat dissipation box and the micro water cooler are arranged, water in the heat dissipation box is pumped in through the liquid outlet pipe by the operation of the micro water cooler, the micro water cooler cools the pumped water, and the water is discharged into the liquid inlet pipe through the water outlet end and enters the heat dissipation box.
Description
Technical Field
The utility model relates to the technical field of power supply power devices, in particular to a heat dissipation device of a power supply power device.
Background
In the design of a switching power supply, a power tube is often used, and the heating of the power tube is a problem often encountered in the design of the power supply. Under the normal working condition of the switching power supply, the heating condition of the power tube directly influences the service life of the switching power supply, and the higher the temperature is, the lower the reliability and the service life are, so that the power tube needs to be subjected to auxiliary heat dissipation, and a heat radiator or a heat radiating fin is generally adopted for auxiliary heat dissipation.
However, the existing power device has the following problems in heat dissipation:
1. the power device main body is arranged on the front side of the circuit board and is additionally provided with the radiator, and the welding effect of the radiating structure is poor, so that the radiating effect is poor;
2. the radiating fins are adopted for radiating, and although the radiating fins have a certain radiating effect, the radiating fins are generally arranged inside the shell, so that heat radiated by the radiating fins cannot be well discharged, and the radiating efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a heat dissipation device for a power device, so as to solve the problems in the background art.
The technical scheme of the utility model is as follows: the utility model provides a power supply unit's heat abstractor, includes shell, backplate and circuit board, circuit board fixed connection is in the inside of shell, the backplate passes through the top at the shell, the middle part fixedly connected with heat dissipation case of circuit board, and the bottom of heat dissipation case runs through the circuit board and extends to the below of circuit board, the mounting hole has all been seted up to the positive upper end and the back upper end of heat dissipation case, the inside fixedly connected with heating panel of mounting hole, it is positive a plurality of power tubes that are equidistant distribution of fixedly connected with of heating panel, the miniature cold water machine is installed through the first connecting plate that two symmetries set up to the diapire in the right-hand member of shell, the inside of shell and the right side that is located the circuit board are provided with radiator unit.
Furthermore, a plurality of evenly distributed air inlets are formed in the front face and the back face of the shell, an air outlet is formed in the middle of the right side of the shell, and a filter plate is fixedly connected inside the air outlet.
Further, the through-hole with the heat dissipation case looks adaptation is seted up at the middle part of circuit board, the right side of circuit board, front and the back leave the space with the right side inner wall of shell, front inner wall and the back inner wall respectively, and the equal fixedly connected with journal stirrup in front and the back of circuit board right-hand member, the right-hand member of circuit board is through the front inner wall and the back inner wall fixed connection of two journal stirrups and shell respectively.
Furthermore, two the one end of keeping away from each other of heating panel is located the outside of heat dissipation case, two one side that the heating panel is close to each other all is located the inside of heat dissipation case and fixedly connected with a plurality of heat radiation fins that are the array and distribute.
Furthermore, the upper end and the lower end of the right side of the heat dissipation box are respectively and fixedly connected with a liquid inlet pipe and a liquid outlet pipe which are communicated with the inside of the heat dissipation box, and one end of the liquid inlet pipe, which is far away from the heat dissipation box, and one end of the liquid outlet pipe, which is far away from the heat dissipation box, are respectively communicated with the water outlet end and the water inlet end of the micro water cooler.
Further, the heat dissipation assembly comprises an installation frame, a heat dissipation fan, two second connecting plates and a fixing plate, the bottom of the installation frame is fixedly connected with the inner bottom wall of the shell through the fixing plate, the front surface and the back surface of the upper end of the installation frame are fixedly connected with the front inner wall and the back inner wall of the shell through the second connecting plates respectively, the heat dissipation fan is installed inside the installation frame, and the heat dissipation fan is right opposite to the filter plate.
The utility model provides a heat dissipation device of a power supply power device by improving, compared with the prior art, the heat dissipation device has the following improvements and advantages:
1. by arranging the heat dissipation box and the micro water cooler, water in the heat dissipation box is pumped in through the liquid outlet pipe by the work of the micro water cooler, the micro water cooler cools the pumped water, and the water is discharged into the liquid inlet pipe through the water outlet end and enters the heat dissipation box;
2. through setting up radiator unit, the heat that the components and parts on the mainboard produced in the shell can be discharged through the filter to the heat dissipation fan during operation, outside air passes through the fresh air inlet and enters into inside the shell simultaneously, make inside heat and outside air obtain circulation conversion, thereby reduce the inside temperature of shell, the heat dissipation fan can discharge the heat that miniature cold water machine during operation produced simultaneously, avoid the interior high temperature of shell, and the radiating effect is improved, and the service life of power device is prolonged.
Drawings
The utility model is further explained below with reference to the figures and examples:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of another aspect of the internal structure of the present invention;
FIG. 3 is a perspective view of the internal structure of the present invention;
FIG. 4 is a schematic cross-sectional view of a heat sink box of the present invention;
description of reference numerals: the heat dissipation device comprises a shell 1, a protective plate 2, a circuit board 3, a heat dissipation box 4, a heat dissipation plate 5, a power tube 6, a heat dissipation fin 7, a liquid inlet tube 8, a liquid outlet tube 9, a micro water cooler 10, a first connecting plate 11, a mounting frame 12, a heat dissipation fan 13, a second connecting plate 14, a fixing plate 15, a filter plate 16, a support lug 17 and an air inlet hole 18.
Detailed Description
The present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and the technical solutions in the embodiments of the present invention will be clearly and completely described. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the utility model provides a heat dissipation device for a power supply power device, which includes a housing 1, a protective plate 2 and a circuit board 3, wherein the circuit board 3 is fixedly connected inside the housing 1, the protective plate 2 is installed on the top of the housing 1 through screws, the middle part of the circuit board 3 is fixedly connected with a heat dissipation box 4, the bottom of the heat dissipation box 4 penetrates through the circuit board 3 and extends to the lower part of the circuit board 3, the upper ends of the front and back of the heat dissipation box 4 are respectively provided with an installation hole, the inside of the installation hole is fixedly connected with a heat dissipation plate 5, the front of the front heat dissipation plate 5 is fixedly connected with a plurality of power tubes 6 which are distributed at equal intervals, the inner bottom wall of the right end of the housing 1 is provided with a micro water cooler 10 through two first connection plates 11 which are symmetrically arranged, and a heat dissipation assembly is arranged inside the housing 1 and on the right side of the circuit board 3.
As shown in fig. 1 and 2, a plurality of uniformly distributed air inlet holes 18 are formed in the front and back of the housing 1, an air outlet hole is formed in the middle of the right side of the housing 1, a filter plate 16 is fixedly connected to the inside of the air outlet hole, the air inlet holes 18 enable outside air to uniformly enter the housing 1, and the air outlet holes and the filter plate 16 enable hot air in the housing 1 to be discharged and prevent external impurities from entering the housing 1.
Wherein as shown in fig. 2 and fig. 3, the through-hole with 4 looks adaptations of heat dissipation case is seted up at the middle part of circuit board 3, circuit board 3's right side, the front and the back respectively with shell 1's right side inner wall, the space is left to front inner wall and back inner wall, and the equal fixedly connected with journal stirrup 17 in the front and the back of circuit board 3 right-hand member, circuit board 3's right-hand member is respectively through two journal stirrups 17 and shell 1's front inner wall and back inner wall fixed connection, the space that leaves can make circuit board 3 upper portion and the hot-air of lower part obtain the circulation, the heat dissipation cycle efficiency is improved, the firmness of circuit board 3 can be improved to journal stirrup 17.
Wherein as shown in fig. 4, the ends of the two heat dissipation plates 5 far away from each other are located outside the heat dissipation box 4, one sides of the two heat dissipation plates 5 near each other are located inside the heat dissipation box 4 and are fixedly connected with a plurality of heat dissipation fins 7 distributed in an array manner, the heat dissipation plates 5 can absorb heat generated by the power tubes 6 and conduct the heat to the heat dissipation fins 7, so that circulating water in the heat dissipation box 4 can take away the heat on the heat dissipation fins 7, and the heat dissipation efficiency is improved.
Wherein as shown in fig. 3, the upper end and the lower end of the right side of the heat dissipation box 4 are fixedly connected with a liquid inlet pipe 8 and a liquid outlet pipe 9 which are communicated with the inside of the heat dissipation box 4 respectively, one end of the liquid inlet pipe 8, which is far away from the heat dissipation box 4, and one end of the liquid outlet pipe 9, which is far away from the heat dissipation box 4, are communicated with the water outlet end and the water inlet end of the micro water cooler 10 respectively, the micro water cooler 10 works, and pumps water in the heat dissipation box 4 through the water inlet end and the liquid outlet pipe 9 and cools the water, and simultaneously the micro water cooler 10 discharges the cooled water into the heat dissipation box 4 through the water outlet end and the liquid inlet end, thereby forming a water circulation and improving the heat dissipation efficiency.
As shown in fig. 4, the heat dissipation assembly includes a mounting frame 12, a heat dissipation fan 13, two second connection plates 14 and a fixing plate 15, the bottom of the mounting frame 12 is fixedly connected to the inner bottom wall of the housing 1 through the fixing plate 15, the front and back of the upper end of the mounting frame 12 are respectively fixedly connected to the front inner wall and the back inner wall of the housing 1 through the second connection plates 14, the heat dissipation fan 13 is mounted inside the mounting frame 12, and the heat dissipation fan 13 is directly opposite to the filter plate 16, the heat generated by the components on the circuit board 3 inside the housing 1 can be discharged through the filter plate 16 by the heat dissipation fan 13, so that the air pressure inside the housing 1 is reduced, and the outside air enters the housing 1 through the air inlet 18, thereby forming an internal and external heat exchange cycle, and improving the heat dissipation efficiency.
The working principle is as follows: when the heat dissipation device is used, the circuit board 3 can provide electric energy for the micro water cooler 10 and the heat dissipation fan 13, so that the micro water cooler 10 and the heat dissipation fan 13 work, the micro water cooler 10 works, water in the heat dissipation box 4 is pumped in through the water inlet end and the liquid outlet pipe 9 of the micro water cooler, the micro water cooler 10 cools and cools the water, and the cooled water is discharged into the heat dissipation box 4 through the water outlet end and the liquid inlet end of the micro water cooler 10, so that a water circulation is formed, in the process, the water in the heat dissipation box 4 can flow through the heat dissipation fins 7 during heat exchange, the heat dissipation fins 7 absorb heat on the power pipe 6 through the heat dissipation plate 5, so that the heat generated during the work of the power pipe 6 is taken away, so that the temperature is reduced, meanwhile, the heat generated by components on the circuit board 3 in the shell 1 can be discharged through the filter plate 16 by the heat dissipation fan 13, so that the air pressure in the shell 1 is reduced, and external air enters the shell 1 through the air inlet hole 18, thereby, an internal and external heat exchange cycle is formed, the temperature inside the housing 1 is further reduced, and simultaneously, the heat generated when the micro water cooler 10 operates can be discharged through the heat dissipation fan 13, thereby preventing the temperature inside the housing 1 from rising.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a heat abstractor of power supply power device, includes shell (1), backplate (2) and circuit board (3), its characterized in that: circuit board (3) fixed connection is in the inside of shell (1), backplate (2) are through the top of mounting at shell (1) with the screw, the middle part fixedly connected with heat dissipation case (4) of circuit board (3), and the bottom of heat dissipation case (4) runs through circuit board (3) and extend to the below of circuit board (3), the mounting hole has all been seted up to the front upper end and the back upper end of heat dissipation case (4), the inside fixedly connected with heating panel (5) of mounting hole, openly the front fixedly connected with a plurality of power tubes (6) that are equidistant distribution of heating panel (5), miniature cold water machine (10) are installed through first connecting plate (11) that two symmetries set up to the diapire in the right-hand member of shell (1), the inside of shell (1) and the right side that is located circuit board (3) are provided with radiator unit.
2. The heat dissipating device for a power supply device according to claim 1, wherein: the front and the back of the shell (1) are provided with a plurality of uniformly distributed air inlet holes (18), the middle part of the right side of the shell (1) is provided with an air outlet hole, and the inside of the air outlet hole is fixedly connected with a filter plate (16).
3. The heat dissipating device for a power supply device according to claim 1, wherein: the through-hole with heat dissipation case (4) looks adaptation is seted up at the middle part of circuit board (3), the right side of circuit board (3), front and the back leave the space with the right side inner wall of shell (1), front inner wall and the back inner wall respectively, and the front of circuit board (3) right-hand member and the equal fixedly connected with journal stirrup (17) in the back, the right-hand member of circuit board (3) is respectively through the front inner wall and the back inner wall fixed connection of two journal stirrups (17) and shell (1).
4. The heat dissipating device for a power supply device according to claim 1, wherein: two the one end of keeping away from each other of heating panel (5) is located the outside of heat dissipation case (4), two one side that heating panel (5) are close to each other all is located the inside of heat dissipation case (4) and a plurality of heat radiation fins (7) that are the array distribution.
5. The heat dissipating device for a power supply device according to claim 1, wherein: the heat dissipation box is characterized in that the upper end and the lower end of the right side of the heat dissipation box (4) are fixedly connected with a liquid inlet pipe (8) and a liquid outlet pipe (9) which are communicated with the inside of the heat dissipation box respectively, and one end of the liquid inlet pipe (8) far away from the heat dissipation box (4) and one end of the liquid outlet pipe (9) far away from the heat dissipation box (4) are communicated with a water outlet end of the micro water cooler (10) and a water inlet end of the micro water cooler respectively.
6. The heat dissipating device for a power supply device according to claim 1, wherein: the heat dissipation assembly comprises an installation frame (12), a heat dissipation fan (13), two second connecting plates (14) and a fixing plate (15), wherein the bottom of the installation frame (12) is fixedly connected with the inner bottom wall of the shell (1) through the fixing plate (15), the front surface and the back surface of the upper end of the installation frame (12) are respectively fixedly connected with the front inner wall and the back inner wall of the shell (1) through the second connecting plates (14), the heat dissipation fan (13) is installed inside the installation frame (12), and the heat dissipation fan (13) is right opposite to the filtering plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122565691.8U CN215991789U (en) | 2021-10-25 | 2021-10-25 | Heat radiator for power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122565691.8U CN215991789U (en) | 2021-10-25 | 2021-10-25 | Heat radiator for power device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215991789U true CN215991789U (en) | 2022-03-08 |
Family
ID=80574017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122565691.8U Active CN215991789U (en) | 2021-10-25 | 2021-10-25 | Heat radiator for power device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215991789U (en) |
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2021
- 2021-10-25 CN CN202122565691.8U patent/CN215991789U/en active Active
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