CN210537183U - A heat radiation structure and car machine for car machine - Google Patents
A heat radiation structure and car machine for car machine Download PDFInfo
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- CN210537183U CN210537183U CN201920488250.2U CN201920488250U CN210537183U CN 210537183 U CN210537183 U CN 210537183U CN 201920488250 U CN201920488250 U CN 201920488250U CN 210537183 U CN210537183 U CN 210537183U
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- bottom plate
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- heat radiation
- car machine
- heat
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- 230000005855 radiation Effects 0.000 title claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 230000017525 heat dissipation Effects 0.000 claims description 50
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 abstract description 3
- 238000004512 die casting Methods 0.000 description 11
- 239000000306 component Substances 0.000 description 8
- 239000004411 aluminium Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000008358 core component Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a heat radiation structure and car machine for car machine, car machine includes the casing to and mainboard, core plate and heat radiation structure that set up in the casing, the casing includes the bottom plate, the heat radiation structure sets up on the internal surface of bottom plate; mainboard and nuclear core plate set gradually the heat radiation structure top, and nuclear core plate fixes the top position corresponding with heat radiation structure on the mainboard. Based on the utility model provides a scheme, heat radiation structure can be direct with the bottom plate direct contact of car machine casing, and then the heat that electric elements produced can be derived through the bottom plate, has increased heat radiating area, can obtain better radiating effect. And because the heat radiation structure is fixed without locking screws, the heat radiation fins can be directly riveted on the sheet metal parts, thereby reducing the assembly process, improving the installation efficiency, and in the later maintenance, the screws do not need to be disassembled, which is beneficial to the repair of products.
Description
Technical Field
The utility model relates to a car machine technical field especially relates to a heat radiation structure and car machine for car machine.
Background
The vehicle-mounted multimedia host (vehicle-mounted information entertainment host), which is called a vehicle machine for short, is used for being installed in a vehicle cab. Traditional car machine mainly includes casing, mainboard, nuclear core plate, heat radiation structure etc. and wherein heat radiation structure is arranged in giving off the heat that each electric elements during operation produced among the nuclear core plate, and heat radiation structure sets up in nuclear core plate top, and nuclear core plate welds on the mainboard, and heat radiation structure is through the screw mounting on the mainboard. In traditional car machine structure, because nuclear core plate passes through welded fastening on the mainboard to heat radiation structure adopts the mode installation of screw lock pair, makes the die sinking expense high, and the packaging efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide a heat dissipation structure for a vehicle machine and a vehicle machine that overcome the above problems or at least partially solve the above problems.
According to one aspect of the present invention, there is provided a heat dissipating structure for a vehicle machine, the vehicle machine comprising a housing, and a main board, a core board and a heat dissipating structure disposed in the housing, the housing comprising a bottom plate, characterized in that,
the heat dissipation structure is arranged on the inner surface of the bottom plate;
the mainboard with nuclear core plate sets gradually the heat radiation structure top, just nuclear core plate fixes on the mainboard with the top position that heat radiation structure corresponds.
Optionally, the heat dissipation structure is riveted to the inner surface of the base plate.
Optionally, the heat dissipation structure includes a heat sink and a heat conduction pad disposed above the heat sink, and is configured to conduct heat generated by the electrical component on the core board out through the heat conduction pad, the heat sink, and the base plate.
Optionally, the heat sink is a plate-shaped aluminum block, the bottom plate is a sheet metal part bottom plate, and the heat sink is riveted on the inner surface of the bottom plate.
Optionally, the electrical elements on the core board comprise IC chips.
Optionally, the heat dissipation structure is fixed on the inner surface of the bottom plate by screws.
According to the utility model discloses an another aspect still provides a car machine, including the casing, and set up mainboard and nuclear core plate in the casing, the casing includes the bottom plate, the car machine still includes any one of the aforesaid heat radiation structure.
Optionally, the shell of the car machine further comprises three side plates, an upper cover and a rear cover, wherein the three side plates, the upper cover and the rear cover are connected with the three edges of the bottom plate, the bottom plate is movably connected with the three side plates and the rear cover, and the rear cover is movably connected with the two adjacent side plates, the bottom plate and the upper cover of the rear cover.
Optionally, the upper cover is disposed on the three side plates and the rear cover, and is movably connected with the three side plates and the rear cover.
Optionally, the main board is provided with at least one interface, the rear cover is provided with at least one through hole, and the interface extends from the through hole to the outside of the vehicle machine.
The embodiment of the utility model provides an in, the car machine includes the casing to and mainboard and the nuclear core plate of setting in the casing, and the casing includes the bottom plate, and heat radiation structure sets up on the internal surface of bottom plate, and the mainboard sets gradually in the heat radiation structure top with nuclear core plate, and the top position that corresponds with heat radiation structure on the mainboard is fixed to nuclear core plate. Based on the utility model provides a heat radiation structure can be direct and the bottom plate contact of car machine casing in the scheme that provides, and the heat that electric elements produced can be derived through the bottom plate, has increased heat radiating area, can obtain better radiating effect. And because the heat radiation structure is fixed without locking screws, the heat radiation structure can be directly riveted on the sheet metal part, thereby reducing the assembly process, improving the installation efficiency, and in the later maintenance, the screws do not need to be disassembled, thereby being beneficial to the repair of products.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1A is a schematic diagram of a conventional vehicle-mounted machine;
FIG. 1B is a schematic diagram of a portion of a conventional vehicle-mounted machine;
FIG. 2 is a schematic exploded view of a heat dissipation structure of the vehicle machine shown in FIG. 1;
fig. 3A is a schematic view of an overall structure of a vehicle machine according to an embodiment of the present invention;
fig. 3B is a schematic view of a part of a vehicle machine according to an embodiment of the present invention;
fig. 4 is a schematic exploded view of a heat dissipation structure for a vehicle machine according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of the heat dissipation structure for the vehicle shown in FIG. 4;
fig. 6 is a longitudinal schematic sectional view of the heat dissipation structure for a vehicle machine shown in fig. 4.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It should be noted that the features of the embodiments and preferred embodiments of the present invention can be combined without conflict.
Fig. 1A is a schematic diagram of an existing car machine structure, fig. 1B is a schematic diagram of a partial structure of an existing car machine, specifically, fig. 1B is a partial structural diagram of a car machine with an upper cover and a rear cover removed from the car machine shown in fig. 1A, so as to facilitate observation of a heat dissipation structure inside the car machine, and fig. 2 is a schematic exploded view of the heat dissipation structure of the car machine shown in fig. 1A. As shown in fig. 1A-1B and fig. 2, an existing car machine 1 mainly includes a shell 10, a main board 11, a core board 12, a heat dissipation structure 13, and the like, in a conventional car machine structure, the shell 10 includes a bottom board 10-1, three side boards 10-2 connected to three edges of the bottom board, an upper cover 10-3, and a rear cover 10-4, wherein the rear cover 10-4 is movably connected to two adjacent side boards 10-2 and the bottom board 10-1, the upper cover 10-3 is fastened to the three side boards 10-2 and the rear cover 10-4, so as to form the shell 10 having a cavity, and the main board 11, the core board 12, the heat dissipation structure 13, and the like are all disposed in the cavity formed by the shell 10. And core board 12 welds on mainboard 11, and heat radiation structure 13 sets up in core board 12 top to install on mainboard 11 through screw 16, be used for giving off the heat that each electric element during operation produced in core board 12. The car machine 1 further includes an interface 17 disposed on the main board, where the interface 17 may be any interface for performing data interaction or signal transmission with the car machine, such as a video interface, an audio interface, a bus interface, a power interface, a USB interface, a navigation interface, and the like.
The heat dissipation structure 13 includes a die-casting heat sink 14 and a heat conduction pad 15, and the heat dissipation structure 13 is mounted on the main board 11 by screws 16, and specifically, the die-casting heat sink 14 is mounted on the main board 11 by screws 16.
In above-mentioned car machine structure, nuclear core plate welding is on the mainboard, and heat radiation structure adopts the mode that the screw lock was paid to lead to the die sinking expense high, the packaging efficiency hangs down.
In order to solve the above technical problem, the present invention provides a heat dissipation structure for a car machine, which is a novel heat dissipation installation scheme, see fig. 3A-3B and fig. 4-6, an embodiment of the present invention provides a heat dissipation structure for a car machine, wherein the car machine 2 includes a housing 20, and a motherboard 21, a core board 22 and a heat dissipation structure 23 disposed in the housing 20, and the housing 20 includes a bottom plate 20-1. In this embodiment, the heat dissipation structure 23 is disposed on the inner surface of the bottom plate 20-1, the main plate 21 and the core plate 22 are sequentially disposed above the heat dissipation structure 23, and the core plate 22 is fixed on the main plate 21 at an upper position corresponding to the heat dissipation structure 23.
It should be noted that the position of the heat dissipation structure shown in the drawings is only a schematic position, and is not a limitation to the present invention, and the heat dissipation structure may be actually disposed at any position on the inner surface of the bottom plate according to the requirement.
The utility model discloses a heat dissipation mounting structure can be arranged in equipment such as on-vehicle entertainment information system, separation screen, amusement host computer and communication device of car machine system to dispel the heat. Based on the embodiment of the utility model provides a heat radiation structure can be direct with the bottom plate direct contact of car machine casing, and the heat that electric elements produced can be derived through the bottom plate, has increased heat radiating area, can obtain better radiating effect.
In a preferred embodiment of the present invention, the heat dissipating structure 23 is riveted to the inner surface of the bottom plate 20-1. The utility model discloses in the scheme of embodiment, heat radiation structure can directly rivet on the internal surface of bottom plate, and then when carrying out the car machine equipment, heat radiation structure's fixed screw that need not to reuse is locked and is paid, can reduce the equipment process, and then improves the packaging efficiency to installation effectiveness has been improved. Furthermore, when the device is maintained in the later period, the screw does not need to be disassembled, and the device is favorable for repairing products.
Heat dissipation can be divided into two categories as far as the adopted method is concerned: passive heat dissipation and active heat dissipation. In the passive heat dissipation, the heat accumulated on the chip is conducted away by heat conduction through the contact between the heat sink itself and the chip without using other auxiliary heat dissipation methods.
In a preferred embodiment of the present invention, with continued reference to fig. 4-6, the heat dissipating structure 23 includes a heat sink 24 and a thermal pad 25, wherein the thermal pad 25 is disposed above the heat sink 24 for conducting heat generated by the electrical components on the core board 22 away from the heat sink via the thermal pad 25, the heat sink 24, and the bottom board 20-1. A plurality of electrical components may be provided on the core board 22, and preferably, the electrical components on the core board 22 include the IC chip 26.
The scheme that this embodiment provided adopts the mode of passive heat dissipation, can not take place the sound, and the silence effect is outstanding, especially uses in the not high electric elements of heat dissipation requirement, can reduce manufacturing cost when guaranteeing electric elements steady operation.
In addition, the conventional heat sink generally adopts a die-casting aluminum heat sink, and the die-casting aluminum heat sink mainly increases the heat dissipation area through the fins, so as to improve the heat conduction effect, but the die-casting aluminum heat sink needs to be provided with a die-casting mold, so that the structure is relatively complex, and the required cost is relatively high.
In a preferred embodiment of the present invention, the heat sink 24 is a plate-shaped aluminum block, the bottom plate 20-1 is a sheet metal bottom plate, and the heat sink 24 is riveted to the inner surface of the bottom plate 20-1. This preferred embodiment adopts the aluminium pig heat dissipation, because the coefficient of heat conductivity of aluminium pig is die-casting aluminium (the model is ADC12 commonly used) twice, and the aluminium pig can be directly through riveting and sheet metal component bottom plate contact moreover, so although aluminium pig heat radiating area reduces relatively die-casting aluminium, but the heat conduction effect is equivalent with die-casting aluminium, satisfies the heat dissipation requirement of electrical component during operation, avoids causing electrical component's damage because of the reduction of radiating effect, at utmost increase of service life.
Furthermore, the aluminum block is simple in structure, only stamping forming is needed, a die-casting die is not needed, and cost can be reduced. According to the scheme of the preferred embodiment, a complex die-casting die is changed into a simple stamping die, and the purpose of reducing cost is achieved.
According to another aspect of the present invention, there is also provided a car machine, referring to fig. 3A-3B, the car machine 2 includes a housing 20, and a main board 21 and a core board 22 disposed in the housing 20, wherein the housing 20 includes a bottom board 20-1, and the car machine 2 further includes a heat dissipation structure in any of the above embodiments.
In this embodiment, a cavity is formed inside the housing 20, and the vehicle core components such as the main board 21, the core board 22, and the heat dissipation structure 23 are all disposed in the cavity of the housing 20, so as to protect the vehicle core components.
In a preferred embodiment of the present invention, the housing 20 of the vehicle machine 2 further comprises three side plates 20-2, an upper cover 20-3 and a rear cover 20-4 connected to three edges of the bottom plate 20-1, wherein the bottom plate 20-1 is movably connected to the three side plates 20-2 and the rear cover 20-4, the rear cover 20-4 can be movably connected to two adjacent side plates 20-2 and the bottom plate 20-1, and the upper cover 20-3 is disposed on the three side plates 20-2 and the rear cover 20-4 and is movably connected to the three side plates 20-2 and the rear cover 20-4. In the embodiment, the upper cover 20-3, the rear cover 20-4 and the bottom plate 20-1 are movably connected and can be detached, so that later maintenance is facilitated.
In an embodiment of the present invention, at least one interface 27 is disposed on the main board 21, and at least one through hole is disposed on the rear cover 20-4, wherein the interface 27 is disposed on the main board 21 and extends to the outside of the housing 20 of the car machine 2. Alternatively, the interface may extend from a through hole provided in the rear cover 20-4 to the exterior of the vehicle 2. The interface can be any interface for data interaction or signal transmission with the car machine, such as a video interface, an audio interface, a bus interface, a power interface, a USB interface, a navigation interface, and the like.
It should be noted that, in practical application, the interface may extend from any position of the housing, and may extend to the position of the outer surface of the housing when extending.
The embodiment of the utility model provides a scheme, heat radiation structure can be directly with the bottom plate contact of car machine casing, and the heat that electric elements produced can be derived through the bottom plate, has increased heat radiating area, can obtain better radiating effect. Further, utilize the utility model discloses a scheme can change complicated die mould into simple press die, realizes reduce cost's purpose. And because the heat radiation structure is fixed without locking screws, the heat radiation structure can be directly riveted on the sheet metal part, thereby reducing the assembly process, improving the installation efficiency, and in the later maintenance, the screws do not need to be disassembled, thereby being beneficial to the repair of products.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A heat dissipation structure for a car machine, the car machine comprises a shell, a main board and a core board, the main board and the core board are arranged in the shell, the shell comprises a bottom board, and the heat dissipation structure is characterized in that,
the heat dissipation structure is arranged on the inner surface of the bottom plate;
the mainboard with nuclear core plate sets gradually the heat radiation structure top, just nuclear core plate fixes on the mainboard with the top position that heat radiation structure corresponds.
2. The heat dissipation structure according to claim 1,
the heat dissipation structure is riveted on the inner surface of the bottom plate.
3. The heat dissipation structure according to claim 1 or 2,
the heat dissipation structure comprises a heat dissipation fin and a heat conduction pad arranged above the heat dissipation fin.
4. The heat dissipation structure according to claim 3,
the radiating fin is a plate-shaped aluminum block, the bottom plate is a sheet metal part bottom plate, and the radiating fin is riveted on the inner surface of the bottom plate.
5. The heat dissipation structure according to claim 1,
the electrical components on the core board include IC chips.
6. The heat dissipation structure according to claim 1,
the heat dissipation structure is fixed on the inner surface of the bottom plate through screws.
7. A car machine, includes the casing, and sets up mainboard and core board in the casing, the casing includes the bottom plate, characterized in that, car machine still includes the heat radiation structure of any one of claims 1-6.
8. The vehicle machine of claim 7,
the shell of the car machine further comprises three side plates, an upper cover and a rear cover, wherein the three side plates, the upper cover and the rear cover are connected with the three edges of the bottom plate, the bottom plate is movably connected with the three side plates and the rear cover, and the rear cover is movably connected with two adjacent side plates, the bottom plate and the upper cover of the rear cover.
9. The vehicle machine of claim 8,
the upper cover is arranged on the three side plates and the rear cover and is movably connected with the three side plates and the rear cover.
10. The vehicle machine of claim 8,
the vehicle-mounted display system is characterized in that at least one interface is arranged on the main board, at least one through hole is formed in the rear cover, and the interface extends to the outside of the vehicle machine from the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920488250.2U CN210537183U (en) | 2019-04-11 | 2019-04-11 | A heat radiation structure and car machine for car machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920488250.2U CN210537183U (en) | 2019-04-11 | 2019-04-11 | A heat radiation structure and car machine for car machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210537183U true CN210537183U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920488250.2U Active CN210537183U (en) | 2019-04-11 | 2019-04-11 | A heat radiation structure and car machine for car machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210537183U (en) |
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- 2019-04-11 CN CN201920488250.2U patent/CN210537183U/en active Active
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Effective date of registration: 20220318 Address after: 430051 No. b1336, chuanggu startup area, taizihu cultural Digital Creative Industry Park, No. 18, Shenlong Avenue, Wuhan Economic and Technological Development Zone, Wuhan, Hubei Province Patentee after: Yikatong (Hubei) Technology Co.,Ltd. Address before: No.c101, chuanggu start up area, taizihu cultural Digital Industrial Park, No.18 Shenlong Avenue, Wuhan Economic Development Zone, Hubei Province Patentee before: HUBEI ECARX TECHNOLOGY Co.,Ltd. |