CN211210330U - Electronic equipment with air-cooled phase-change heat dissipation function - Google Patents
Electronic equipment with air-cooled phase-change heat dissipation function Download PDFInfo
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- CN211210330U CN211210330U CN202020088335.4U CN202020088335U CN211210330U CN 211210330 U CN211210330 U CN 211210330U CN 202020088335 U CN202020088335 U CN 202020088335U CN 211210330 U CN211210330 U CN 211210330U
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- base plate
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- shell
- phase transition
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- 230000017525 heat dissipation Effects 0.000 title description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 230000007704 transition Effects 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 11
- 238000005098 hot rolling Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 16
- 230000008859 change Effects 0.000 claims description 15
- 230000000694 effects Effects 0.000 abstract description 6
- 239000006185 dispersion Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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Abstract
The utility model discloses a radiating electronic equipment of forced air cooling phase transition, it includes the shell and sets up the phase transition heating panel in the shell, a plurality of fin of interconnect, the device generates heat, and set up the fan on the shell, the phase transition heating panel is including first base plate and the second base plate that covers each other and close, be formed with the closed cavity between first base plate and the second base plate, it has the phase transition working medium to fill in the closed cavity, first base plate passes through the hot rolling towards the direction of keeping away from the second base plate, the inflation technology is formed with pipeline face, a plurality of fin welding are on pipeline face, the surface that first base plate was kept away from to the second base plate is smooth surface, the device generates heat and laminates with smooth surface mutually. The utility model discloses an air-cooled phase transition radiating electronic equipment welds fin and pipeline face to generate heat the device and fully contact with the smooth surface, heat dispersion is good, and the heat transfer of the device that generates heat is after to the phase transition heating panel, and then on transmitting to the fin, starts the fan, discharges the heat in first passageway and the second passageway fast, improves the radiating effect.
Description
Technical Field
The utility model relates to a heat dissipation technical field especially, relates to a radiating electronic equipment of forced air cooling phase transition.
Background
With the rapid development of miniaturization, integration and high efficiency of power electronic equipment and devices, the performance and heat dissipation capacity of the devices are continuously increased, and the problems of uneven heat flow density distribution, extremely high local heat flow density, heat accumulation in local areas and overhigh local temperature are brought.
The existing air-cooled phase-change radiating electronic equipment comprises a phase-change radiating plate, radiating fins welded on the phase-change radiating plate and a heating device, wherein one surface of the phase-change radiating plate is a plane, and the other surface of the phase-change radiating plate is an uneven pipeline surface with pipelines. In order to facilitate welding, when the radiating fins are welded, the radiating fins are generally welded to the plane of the phase-change radiating plate, so that the heating device is attached to the pipeline surface, and the pipeline surface of the phase-change radiating plate is not flat, so that the heating device cannot be in full contact with the pipeline surface of the phase-change radiating plate, and the radiating performance is reduced.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for an electronic device with good heat dissipation effect and phase-change heat dissipation by air cooling.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a radiating electronic equipment of forced air cooling phase transition, the radiating electronic equipment of forced air cooling phase transition includes the shell and sets up phase transition heating panel in the shell, a plurality of fin of interconnect, the device that generates heat, and set up fan on the shell, the phase transition heating panel is including first base plate and the second base plate that covers each other and close, first base plate with be formed with the closed cavity between the second base plate, it has the phase transition working medium to fill in the closed cavity, first base plate is towards keeping away from the direction of second base plate is formed with the pipe road surface through hot rolling, inflation technology, a plurality of fin welding are in on the pipe road surface, the second base plate is kept away from the surface of first base plate is for leveling the surface, generate heat the device with level the surface and laminate mutually.
Further, the radiating electronic equipment of forced air cooling phase transition is still including connecting two adjacent the connecting portion at fin top with connect the weld part of fin bottom, connecting portion with contained angle between the fin is 90, the weld part with contained angle between the fin is 90.
Furthermore, a pipeline is formed on the pipeline surface and comprises a plurality of transverse pipelines and longitudinal pipelines which are communicated with each other, and the length direction of the radiating fins is parallel to the length direction of the longitudinal pipelines.
Further, the heat sink is welded between the two longitudinal pipes.
Further, the pipeline surface comprises a plane and an expansion surface, the plane is a surface of the first base plate far away from the second base plate, and the expansion surface is a surface of the transverse pipeline and the longitudinal pipeline which are convexly arranged on the plane surface.
Further, the shell comprises a shell body and a cover plate, a clamping groove is formed in the shell body, and a clamping piece is arranged on the cover plate and matched with the clamping groove.
Furthermore, the cover plate is provided with a through groove corresponding to the fan.
Further, the shell comprises a bottom plate and four side plates connected with the bottom plate, and the clamping grooves are formed in the tops of the side plates.
Furthermore, the heating device comprises a circuit board and a heating element arranged on the circuit board, the surface of the circuit board opposite to the heating element is attached to the bottom plate, and one side of the heating element far away from the circuit board is attached to the flat surface.
Further, the fan comprises a machine shell and a wind wheel, the machine shell is fixedly arranged on the cover plate, and the wind wheel is rotatably arranged in the inner cavity of the machine shell.
The utility model has the advantages that: the utility model provides an air-cooled phase transition radiating electronic equipment welds fin and pipeline face to generate heat the device and fully contact with the smooth surface, heat dispersion is good, simultaneously, after heat transfer that the device that generates heat produced to the phase transition heating panel, and then on transmitting to the fin, start the fan, discharge the heat in first passageway and the second passageway more fast under the effect of fan, further improved the radiating effect.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an air-cooled phase-change heat dissipation electronic device according to the present invention;
FIG. 2 is a cross-sectional view along A-A of the air-cooled phase change heat dissipating electronic device of FIG. 1;
FIG. 3 is an exploded view of the air-cooled phase change heat dissipating electronic device of FIG. 1;
fig. 4 is a schematic structural diagram of a phase change heat dissipation plate, a heat dissipation fin, a connection portion, and a soldering portion in the electronic device with air-cooling phase change heat dissipation shown in fig. 1.
Fig. 5 is a partial enlarged view of the portion B of the electronic device for air-cooled phase-change heat dissipation shown in fig. 4.
The names and the numbers of the parts in the figure are respectively as follows:
Through slot 121 of bottom plate 111 and side plate 112
Connecting portion 312 through hole 3121 welding portion 313
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.
Please refer to fig. 1 to 5, the utility model provides an air-cooled phase-change heat dissipation electronic equipment, which comprises a housing 1, a phase-change heat dissipation plate 2, a plurality of heat dissipation fins 3 connected with each other, a heating device 4 and a fan 5, wherein the phase-change heat dissipation plate 2, the heat dissipation fins 3 and the heating device 4 are all contained in the housing 1, the heat dissipation fins 3 are welded on the phase-change heat dissipation plate 2, the heating device 4 is arranged on one side of the phase-change heat dissipation plate 2 opposite to the heat dissipation fins 3, and the fan 5 is arranged on the housing 1.
The shell 1 is a box structure of a square shape, the shell 1 includes a shell 11 and a cover plate 12, the shell 11 includes a bottom plate 111 and four side plates 112 connected to the bottom plate 111, a clamping groove (not shown) is disposed at one end of each side plate 112 far away from the bottom plate 111, a clamping piece 120 is disposed on the cover plate 12, and the clamping piece 120 is matched with the clamping groove.
The phase-change heat dissipation plate 2 comprises a first substrate 21 and a second substrate 22 which are mutually covered, the first substrate 21 and the second substrate 22 are both plate-type structures, a closed cavity is formed between the first substrate 21 and the second substrate 22, the first substrate 21 is formed with a pipeline 6 through hot rolling and inflation processes towards the direction far away from the second substrate 22, so that a pipeline surface 211 with a groove and a bulge is formed on the surface far away from the second substrate 22 of the first substrate 21, and the surface far away from the first substrate 21 of the second substrate 22 is a flat surface 221.
The pipeline 6 includes a plurality of transverse pipelines 61 and longitudinal pipelines 62, each of the transverse pipelines 61 and the longitudinal pipelines 62 is provided, and the plurality of transverse pipelines 61 and the plurality of longitudinal pipelines 62 are communicated, thereby forming a pipeline surface 211. Further, the plurality of longitudinal pipes 62 are arranged in parallel and at equal intervals.
The tube surface 211 includes a plane 2111 and an expansion surface 2112, the plane 2111 being the surface of the first base plate 21 away from the second base plate 22, and the expansion surface 2112 being the surface of the transverse tubes 61 and the longitudinal tubes 62 protruding from the surface of the plane 2111.
The air-cooled phase-change radiating electronic device further comprises a connecting part 312 for connecting the tops of two adjacent radiating fins 3 and a welding part 313 connected to the bottom of the radiating fin 3. In the present embodiment, the welding portion 313 is welded to the flat surface 2111. Further, the longitudinal direction of the fin 3 is arranged in parallel with the longitudinal direction of the longitudinal pipe 62. Preferably, the angle between the connecting portion 312 and the heat sink 3 is 90 °, and the angle between the welding portion 313 and the heat sink 3 is 90 °.
Further, the fins 3 correspond to the pipe 6, and the distance between two adjacent fins 3, that is, the distance between the surface of the first fin 3 close to the second fin 3 and the surface of the second fin 3 far from the first fin 3 is D (unit: mm), wherein the thickness of the fin 3 is D1 (unit: mm), the distance between the surface of the first fin 3 close to the second fin 3 and the surface of the second fin 3 close to the first fin 3 is D2 (unit: mm), that is, D1+ D2; the distance between two adjacent longitudinal ducts 62 is W (unit: mm), wherein the width of the longitudinal duct 62 is W1 (unit: mm), and the width of the plane 2111 between two adjacent longitudinal ducts 62 is W2 (unit: mm), i.e., W1+ W2. In the present embodiment, W is 2D, and two fins 3 are welded between two adjacent vertical pipes 62.
In other embodiments, it is to be understood that W ═ n × D (n is a positive integer) and n is a positive integer such as 1, 3, 4, or 5.
When n is equal to 1, the welding portion 313 is omitted, the fins 3 are welded directly to the flat surface 2111, and one fin 3 is welded between two adjacent longitudinal channels 62.
When n is equal to 3, three fins 3 are welded between two adjacent longitudinal pipes 62.
Furthermore, a capillary structure is arranged in the closed cavity, and the closed cavity is filled with a phase-change working medium.
The heating device 4 includes a circuit board 41 and a heating element 42 mounted on the circuit board 41, wherein a surface of the circuit board 41 opposite to the heating element 42 is fixedly connected to the base plate 111, and a side of the heating element 42 away from the circuit board 41 is attached to the flat surface 221.
In the present embodiment, the connection portion 312 and the fins 3 provided on the opposite sides of the connection portion 312 together constitute the first passage 10, and the welding portion 313 and the fins 3 provided on the opposite sides of the welding portion 313 together constitute the second passage 20. In operation, heat generated by the heat generating device 4 is transferred to the phase change heat dissipating plate 1 and then enters the first channel 10 and the second channel 20.
The fan 5 comprises a housing 51 and a wind wheel 52, wherein the housing 51 is fixedly arranged on the cover plate 12, and the wind wheel 52 is rotatably arranged in the inner cavity of the housing 51. Further, a through groove 121 is formed on the cover plate 12, and the through groove 121 corresponds to the fan 5.
It can be understood that the connecting portion 312 is opened with a plurality of through holes 3121, and the through holes 3121 communicate with the through groove 121.
Therefore, in the working process of the air-cooled phase-change heat dissipation electronic equipment, heat generated by the heating device 4 is transferred to the phase-change heat dissipation plate 1 and then enters the first channel 10 and the second channel 20, meanwhile, the fan 5 is started, the wind wheel 52 rotates, and then the heat in the first channel 10 and the second channel 20 is discharged more quickly under the action of the wind wheel 52.
The utility model provides a radiating electronic equipment of forced air cooling phase transition welds fin 3 and pipeline face 211 to generate heat device 4 and level and smooth surface 221 fully contact, heat dispersion is good, simultaneously, after heat transfer to phase transition heating panel 2 that generates heat device 4 produced, and then transmit to fin 3 on, start fan 5, discharge the heat in first passageway 10 and the second passageway 20 more fast under fan 5's effect, further improved the radiating effect.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a radiating electronic equipment of forced air cooling phase transition which characterized in that: forced air cooling phase transition radiating electronic equipment includes the shell and sets up phase transition heating panel in the shell, a plurality of fin of interconnect, the device that generates heat, and set up fan on the shell, the phase transition heating panel is including the first base plate and the second base plate that each other approximately close, first base plate with be formed with the closed cavity between the second base plate, it has the phase transition working medium to fill in the closed cavity, first base plate is towards keeping away from the direction of second base plate is formed with the pipeline face through hot rolling, inflation technology, a plurality of fin welding are in on the pipeline face, the second base plate is kept away from the surface of first base plate is for leveling the surface, the device that generates heat with level the surface and laminate mutually.
2. The air-cooled phase change heat dissipating electronic device of claim 1, wherein: the radiating electronic equipment of forced air cooling phase transition is still including connecting two adjacent the connecting portion at fin top with be connected the weld part of fin bottom, connecting portion with contained angle between the fin is 90, the weld part with contained angle between the fin is 90.
3. The air-cooled phase change heat dissipating electronic device of claim 1, wherein: the pipeline surface is provided with a pipeline which comprises a plurality of transverse pipelines and longitudinal pipelines which are communicated with each other, and the length direction of the radiating fins is parallel to the length direction of the longitudinal pipelines.
4. The air-cooled phase change heat dissipating electronic device of claim 3, wherein: the cooling fins are welded between the two longitudinal pipelines.
5. The air-cooled phase change heat dissipating electronic device of claim 3, wherein: the pipeline surface comprises a plane and an expansion surface, the plane is the surface of the first substrate far away from the second substrate, and the expansion surface is the surface of the transverse pipeline and the longitudinal pipeline which are convexly arranged on the plane surface.
6. The air-cooled phase change heat dissipating electronic device of claim 1, wherein: the shell comprises a shell body and a cover plate, wherein a clamping groove is formed in the shell body, and a clamping piece is arranged on the cover plate and matched with the clamping groove.
7. The air-cooled phase change heat dissipating electronic device of claim 6, wherein: the cover plate is provided with a through groove corresponding to the fan.
8. The air-cooled phase change heat dissipating electronic device of claim 6, wherein: the shell comprises a bottom plate and four side plates connected with the bottom plate, and the clamping grooves are formed in the tops of the side plates.
9. The air-cooled phase change heat dissipating electronic device of claim 8, wherein: the heating device comprises a circuit board and a heating element arranged on the circuit board, the surface of the circuit board opposite to the heating element is attached to the bottom plate, and one side of the heating element far away from the circuit board is attached to the flat surface.
10. The air-cooled phase change heat dissipating electronic device of claim 7, wherein: the fan comprises a machine shell and a wind wheel, the machine shell is fixedly arranged on the cover plate, and the wind wheel is rotatably arranged in an inner cavity of the machine shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020088335.4U CN211210330U (en) | 2020-01-15 | 2020-01-15 | Electronic equipment with air-cooled phase-change heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020088335.4U CN211210330U (en) | 2020-01-15 | 2020-01-15 | Electronic equipment with air-cooled phase-change heat dissipation function |
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| Publication Number | Publication Date |
|---|---|
| CN211210330U true CN211210330U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020088335.4U Active CN211210330U (en) | 2020-01-15 | 2020-01-15 | Electronic equipment with air-cooled phase-change heat dissipation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211210330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112020279A (en) * | 2020-08-31 | 2020-12-01 | 维沃移动通信有限公司 | Heat sink device |
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2020
- 2020-01-15 CN CN202020088335.4U patent/CN211210330U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112020279A (en) * | 2020-08-31 | 2020-12-01 | 维沃移动通信有限公司 | Heat sink device |
| CN112020279B (en) * | 2020-08-31 | 2022-11-18 | 维沃移动通信有限公司 | Heat sink device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 213176 No.20, Jiandong Road, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou Hengchuang Thermal Management System Co.,Ltd. Country or region after: China Address before: 213000 No.20, Jiandong Road, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU HENGCHUANG HEAT MANAGEMENT Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |