CN220858751U - Fan heat radiation structure of heat radiation cavity - Google Patents
Fan heat radiation structure of heat radiation cavity Download PDFInfo
- Publication number
- CN220858751U CN220858751U CN202322388599.8U CN202322388599U CN220858751U CN 220858751 U CN220858751 U CN 220858751U CN 202322388599 U CN202322388599 U CN 202322388599U CN 220858751 U CN220858751 U CN 220858751U
- Authority
- CN
- China
- Prior art keywords
- printed circuit
- heat
- circuit board
- fan
- chassis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000005855 radiation Effects 0.000 title claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 36
- 241000237983 Trochidae Species 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000017525 heat dissipation Effects 0.000 claims description 19
- 238000001125 extrusion Methods 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229940009493 gel-one Drugs 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Landscapes
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a fan radiating structure of a radiating cavity in the technical field of vehicle navigation and domain controllers, which comprises a fan top shell, an axial flow fan, an extruded aluminum radiator, heat conducting gel I, a printed circuit board I, a chassis, heat conducting gel II and a printed circuit board II, wherein the fan top shell is used for fixing the axial flow fan on the extruded aluminum radiator and the chassis side, the axial flow fan is fixed on the extruded aluminum radiator and the chassis side, the heat conducting gel I is used for filling a gap between the printed circuit board I and the extruded aluminum radiator, the heat conducting gel II is used for filling a gap between the printed circuit board II and the chassis, the periphery of a bottom plate is provided with a radiating rib structure, the radiating area can be effectively increased, the structure of the bottom plate and the extruded aluminum radiator can meet the requirement that the two printed circuit boards work simultaneously, and heat is transferred to the periphery of the extruded aluminum radiator and the chassis through the heat conducting gel, so that the effect of rapid cooling is realized.
Description
Technical Field
The utility model relates to the technical field of vehicle navigation and domain controllers, in particular to a fan radiating structure of a radiating cavity.
Background
Along with the rapid development of the vehicle-mounted intelligent cabin, the traditional radio and CD (compact disc) player are replaced by various navigation hosts, intelligent cabin domain controllers and the like, the integration degree of electronic elements is higher and higher, functions such as intelligent driving assistance, remote control, 360-degree looking around and game interaction and the like are added besides the traditional video and audio entertainment, and the power consumption of the vehicle-mounted host is higher and higher. The traditional passive heat dissipation can not meet the heat dissipation requirements of the latest vehicle navigation host and domain controllers. In order to improve market competitiveness, we propose a fan heat dissipation structure design of a heat dissipation cavity. The design can simultaneously transfer the heat of two PCBs (printed circuit boards) and heating elements (especially heating elements such as SOC, power amplifier and the like) to the surface of the radiator in a heat conduction gel conduction mode, and then the heat of the radiator is transferred out through an axial flow fan at the side edge, so that the effect of rapid cooling is achieved. The fan heat dissipation structure design of the heat dissipation cavity can maximally meet customer demands, realizes rapid cooling when elements installed on two PCBs (printed circuit boards) work simultaneously, reduces part cost and improves market competitiveness.
Therefore, we propose a fan heat dissipation structure of the heat dissipation cavity.
Disclosure of utility model
The present utility model is directed to a fan heat dissipation structure of a heat dissipation cavity, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a fan radiating structure of a radiating cavity comprises a fan top shell, an axial flow fan, an extruded aluminum radiator, a first heat conducting gel, a first printed circuit board, a bottom plate, a second heat conducting gel and a second printed circuit board,
The fan top shell is used for fixing the axial flow fan on the side edges of the extruded aluminum radiator and the chassis;
the axial flow fan is fixed on the side edges of the extruded aluminum radiator and the chassis;
The first heat-conducting gel fills a gap between the first printed circuit board and the extruded aluminum radiator;
The second heat-conducting gel fills a gap between the second printed circuit board and the chassis.
Furthermore, the first printed circuit board is in interference fit with the corresponding extruded aluminum radiator through the first heat conducting gel, and the second printed circuit board is in interference fit with the corresponding chassis through the second heat conducting gel, so that heat of the heating element is quickly conducted out.
Further, the extruded aluminum radiator and the chassis are fixed by screws, heat of the first printed circuit board and the second printed circuit board is quickly conducted to the periphery of the extruded aluminum radiator and the chassis, and the heat is quickly convected out through an air channel formed by the axial flow fan and the fan top shell, so that the effect of quickly cooling is achieved.
Compared with the prior art, the utility model has the beneficial effects that:
1. This patent bottom plate be the heat dissipation muscle structure all around, can effectively increase radiating area, the bottom plate and the structure of extrusion aluminium radiator satisfy two printed circuit boards simultaneous working, through heat conduction gel with heat transfer to extrusion aluminium radiator and base all around, realize quick cooling's effect.
2. After the heat that the component of this last installation of printed circuit board sent is passed through heat conduction gel and is transmitted extrusion aluminium radiator and base all around, with the cavity that axial fan and fan top cap formed with extrusion aluminium radiator and base's heat transfer fast away to reduce the temperature of complete machine fast, promote complete machine stability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a printed circuit board according to the present utility model;
FIG. 3 is a schematic view of a printed circuit board according to the present utility model
FIG. 4 is a schematic view of a chassis and extruded aluminum heat sink according to the present utility model;
FIG. 5 is a schematic view of an axial fan, a fan top cover, an extruded aluminum heat sink and a base according to the present utility model.
In the figure: 1. a fan top case; 2. an axial flow fan; 3. extruding an aluminum radiator; 4. a first heat conducting gel; 5. a first printed circuit board; 6. a chassis; 7. a second heat conducting gel; 8. and a second printed circuit board.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a fan heat radiation structure of heat dissipation cavity, including fan top shell 1, axial fan 2, extrusion aluminium radiator 3, heat conduction gel one 4, printed circuit board one 5, chassis 6, heat conduction gel two 7 and printed circuit board two 8, install the component on printed circuit board one 5 and the printed circuit board two 8, the component of installation will generate heat in operation, printed circuit board one 5 carries out quick heat conduction through heat conduction gel one and extrusion aluminium radiator 3 interference fit when the assembly, printed circuit board two 8 carries out quick heat conduction through heat conduction gel 7 two and chassis 8 interference fit, the heat on extrusion aluminium radiator 3 and chassis 8 surface is conducted away through the cavity that axial fan 2 and fan top shell 1 formed through the mode of convection current, in order to reach the effect of complete machine rapid cooling, and the bottom plate is the heat dissipation muscle structure all around, can effectively increase the radiating area.
Reference examples: the first printed circuit board 4 is connected with the extruded aluminum radiator 3 through the first heat conducting gel 4, the first heat conducting gel 4 fills a gap between the first printed circuit board 5 and the extruded aluminum radiator 3, the second printed circuit board 8 is connected with the chassis 6 through the second heat conducting gel 7, the second heat conducting gel 7 fills a gap between the second printed circuit board 8 and the chassis 6, the gap can be filled and cured rapidly, and risks caused by tolerance are effectively reduced.
Reference examples: the axial flow fan 2 is arranged on the side edges of the chassis 6 and the extruded aluminum radiator 3, and the top is fixed by the screws of the fan top shell 1, so that a cavity is formed among the extruded aluminum radiator 3, the chassis 6 and the fan top shell 1, the rapid heat dissipation of the axial flow fan 2 is facilitated, the temperature of the whole machine is reduced, and the reliability of the whole machine is improved.
Reference examples: during assembly, the fan top shell 1, the axial flow fan 2, the extruded aluminum radiator 3, the first printed circuit board 5 and the second printed circuit board 8 are fixed on the chassis 6 through screws;
The first printed circuit board 5 is fixed on the chassis 6 through a screw, and the second printed circuit board 8 is fixed on the lower surface of the chassis 6 through a screw;
The fan top case 1 and the axial flow fan 2 are fixed to the chassis 6 and the side of the extruded aluminum radiator 3 by screws;
The first heat conducting gel 4 fills the gap between the first printed circuit board 5 and the radiator 3, and the second heat conducting gel 7 fills the gap between the second printed circuit board 8 and the chassis 6, so that tolerance risks are reduced.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a fan heat radiation structure of heat dissipation cavity, includes fan top shell (1), axial fan (2), extrudeed aluminium radiator (3), heat conduction gel one (4), printed circuit board one (5), chassis (6), heat conduction gel two (7) and printed circuit board two (8), its characterized in that:
The fan top shell (1) is used for fixing the axial flow fan (2) on the side edges of the extruded aluminum radiator (3) and the chassis (6);
the axial flow fan (2) is fixed at the side edges of the extruded aluminum radiator (3) and the chassis (6);
The first heat-conducting gel (4) fills a gap between the first printed circuit board (5) and the extruded aluminum radiator (3);
The second heat-conducting gel (7) fills the gap between the second printed circuit board (8) and the chassis (6).
2. The fan heat dissipation structure of a heat dissipation cavity according to claim 1, wherein: the first printed circuit board (5) is in interference fit with the corresponding extruded aluminum radiator (3) through the first heat-conducting gel (4), and the second printed circuit board (8) is in interference fit with the corresponding chassis (6) through the second heat-conducting gel (7), so that heat of the heating element is quickly conducted out.
3. The fan heat dissipation structure of a heat dissipation cavity according to claim 1, wherein: the extrusion aluminum radiator (3) and the chassis (6) are fixed by screws, heat of the first printed circuit board (5) and the second printed circuit board (8) is quickly conducted to the periphery of the extrusion aluminum radiator (3) and the chassis (6), and the heat is quickly convected out through an air channel formed by the axial flow fan (2) and the fan top shell (1), so that the effect of quick cooling is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322388599.8U CN220858751U (en) | 2023-09-04 | 2023-09-04 | Fan heat radiation structure of heat radiation cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322388599.8U CN220858751U (en) | 2023-09-04 | 2023-09-04 | Fan heat radiation structure of heat radiation cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220858751U true CN220858751U (en) | 2024-04-26 |
Family
ID=90783514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322388599.8U Active CN220858751U (en) | 2023-09-04 | 2023-09-04 | Fan heat radiation structure of heat radiation cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220858751U (en) |
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2023
- 2023-09-04 CN CN202322388599.8U patent/CN220858751U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |