CN203279411U - Vehicle multimedia terminal and terminal rear panel - Google Patents
Vehicle multimedia terminal and terminal rear panel Download PDFInfo
- Publication number
- CN203279411U CN203279411U CN 201320330390 CN201320330390U CN203279411U CN 203279411 U CN203279411 U CN 203279411U CN 201320330390 CN201320330390 CN 201320330390 CN 201320330390 U CN201320330390 U CN 201320330390U CN 203279411 U CN203279411 U CN 203279411U
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- China
- Prior art keywords
- multimedia terminal
- panel body
- vehicle
- rear board
- mounted multimedia
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- 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.)
- Expired - Fee Related
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Provided is a vehicle multimedia terminal and a terminal rear panel, comprising a panel body; the rear end surface of the panel body relatively far from a front panel is provided with radiating fins; the radiating fins and a hardware rear panel are combined, and the radiating fins are used for timely rejecting heat so as to effectively reduce temperature rise of a whole machine; the vehicle multimedia terminal rear panel combines the radiating fins and the rear panel and extra radiating fins are not needed so as to reduce production manufacture cost; the rear panel has a large area and a large heat dissipation area and thermal diffusivity is fully utilized, which is hard to achieve by a single radiating fin.
Description
Technical field
The utility model relates to a kind of vehicle electronic device, particularly relates to the rear board of a kind of vehicle-mounted multimedia terminal and this terminal.
Background technology
Along with the integrated trend of electronic product, existing multimedia terminal is adopted traditional multimedia terminal and power amplifier is integrated, and a very large problem of bringing after integrated is dispelled the heat exactly.In general, the inner ambient temperature of automobile center console own is just more abominable, more than high temperature even can reach 70 degree, and the system thermal of multimedia terminal work itself is also larger, power amplifier let alone, AB class power amplification efficiency commonly used only has 60% left and right, drives the loudspeaker of tens of watts easily, full car, upper hectowatt, and how high can infer the energy that power amplifier will change into heat energy has.
If multimedia terminal and power amplifier are as two equipment separately, they respectively are freed from more abundant space and relative less thermal source so, and it is not also very difficult that heat dissipation problem deals with.But after both integrated, increased in limited interior heat source, space, and heat dissipation problem is just more thorny.
Summary of the invention
Based on this, be necessary to provide a kind of vehicle-mounted multimedia terminal rear board that improves heat dispersion.
Simultaneously, be necessary to provide a kind of vehicle-mounted multimedia terminal that improves heat dispersion.
A kind of vehicle-mounted multimedia terminal rear board comprises: panel body, described panel body is provided with fin on the rear end face away from front panel relatively.
In a preferred embodiment, also be provided with heat dissipation grid on the rear end face of described panel body.
In a preferred embodiment, described heat dissipation grid is oppositely arranged between described fin, and described fin directly is processed to form by described panel body, and described panel body is the cast aluminium plate.
In a preferred embodiment, be provided with the fixedly fixing hole of power amplifier chips on described rear board.
A kind of vehicle-mounted multimedia terminal comprises: shell, and described shell comprises: the front panel that is oppositely arranged and rear board, described rear board comprises: panel body; Described panel body is provided with fin on the rear end face away from front panel relatively.
In a preferred embodiment, also be provided with heat dissipation grid on the rear end face of described panel body.
In a preferred embodiment, described heat dissipation grid is oppositely arranged between described fin, and described fin directly is processed to form by described panel body, and described panel body is the cast aluminium plate.
In a preferred embodiment, also comprise the pcb board that is arranged in described shell, be provided with power amplifier chips on described pcb board, described power amplifier chips is oppositely arranged on described outer casing back.
In a preferred embodiment, described power amplifier chips is fixed on described rear board by fixture.
In a preferred embodiment, be provided with heat conductive silica gel between described power amplifier chips and described rear board.
Above-mentioned vehicle-mounted multimedia terminal and the rear board of this terminal combine heat sink design with the five metals rear board, by the timely heat rejection and removal of fin, effectively reduce the temperature rise of complete machine; The vehicle-mounted multimedia terminal rear board combines fin and rear board design, need not additionally increase fin, reduces manufacturing cost; And the rear board area is large, and area of dissipation is large, and heat dispersion is fully used, and this is that independent fin is unapproachable.
Description of drawings
Fig. 1 is the rear end face structural representation of the vehicle-mounted multimedia terminal rear board of the utility model one embodiment;
Fig. 2 is the front end face structural representation of the vehicle-mounted multimedia terminal rear board of another embodiment of the utility model.
Embodiment
As shown in Figures 1 and 2, the vehicle-mounted multimedia terminal rear board 100 of the utility model one embodiment comprises: panel body 102.Panel body 102 is provided with fin 20 on the rear end face 104 away from front panel relatively.
In order further to increase the efficiently radiates heat area, also be provided with heat dissipation grid 40 on the rear end face 104 of panel body 102.
Further, the heat dissipation grid 40 of the present embodiment is oppositely arranged between fin 20.
Further, the panel body 102 of the present embodiment is the cast aluminium plate.
Further, the fin 20 of the present embodiment directly is processed to form by panel body 102.
Further, be provided with the fixedly fixing hole 60 of power amplifier chips on the rear board 100 of the present embodiment.
Further, be provided with communication interface on the rear board 100 of the present embodiment, as 3G communication interface 92, WIFI communication interface 94 etc.
As shown in Figures 1 and 2, the vehicle-mounted multimedia terminal of the utility model one embodiment comprises: shell.Shell comprises: the front panel that is oppositely arranged, and rear board 100.Further, the rear board 100 of the present embodiment comprises: panel body 102.
Further, the panel body 102 of the present embodiment is provided with fin 20 on the rear end face 104 away from front panel relatively.
Further, the fin 20 of the present embodiment directly is processed to form by panel body 102.
Further, also be provided with heat dissipation grid 40 on the rear end face 104 of the panel body 102 of the present embodiment.
Further, the heat dissipation grid 40 of the present embodiment is oppositely arranged between fin 20.
Further, the panel body 102 of the present embodiment is the cast aluminium plate.
Further, the vehicle-mounted multimedia terminal of the present embodiment also comprises the pcb board that is arranged in shell.Be provided with power amplifier chips on pcb board.
In order further to arrange the heat of loose power amplifier chips, power amplifier chips is oppositely arranged on outer casing back.
Further, the power amplifier chips of the present embodiment is fixed on rear board 100 by fixture.
Further, be provided with heat conductive silica gel between the power amplifier chips of the present embodiment and rear board.
The vehicle-mounted multimedia terminal rear board 100 of the present embodiment combines heat sink design with the five metals rear board, by the timely heat rejection and removal of fin, effectively reduce the temperature rise of complete machine.
Because power amplifier chips is the vehicle mounted multimedia main thermal source at end, in the present embodiment, the power amplifier chips on pcb board is placed on the rear end that complete machine is shell, can be fixed on the five metals rear board by fixture such as screw, and between power amplifier chips and rear board 100, heat conductive silica gel is set, and so that power amplifier chips fully contact with rear board 100.
The vehicle-mounted multimedia terminal rear board 100 of the present embodiment, except utilizing rear board 100 areas to dispel the heat, rear board 100 increases the efficiently radiates heat area in respect of 40 steps of special heat dissipation grid, and effectively the heat on the loose power amplifier chips of row, effectively reduce the temperature rise of complete machine.
Vehicle-mounted multimedia terminal rear board 100 of the present utility model combines fin and rear board design, need not additionally increase fin, reduces manufacturing cost; And rear board 100 areas are large, and area of dissipation is large, and after adding heat dissipation grid 40, heat dispersion is fully used, and this is that independent fin is unapproachable.
The utility model combines by the design of five metals rear board and fin, reaches at a low price radiating effect efficiently.As for designing as required various different designs in the appearance design of rear board.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. vehicle-mounted multimedia terminal rear board comprises: panel body, it is characterized in that, and described panel body is provided with fin on the rear end face away from front panel relatively.
2. vehicle-mounted multimedia terminal rear board according to claim 1, is characterized in that: also be provided with heat dissipation grid on the rear end face of described panel body.
3. vehicle-mounted multimedia terminal rear board according to claim 2, it is characterized in that: described heat dissipation grid is oppositely arranged between described fin, and described fin directly is processed to form by described panel body, and described panel body is the cast aluminium plate.
4. the described vehicle-mounted multimedia terminal rear board of according to claim 1 to 3 any one, is characterized in that: be provided with the fixedly fixing hole of power amplifier chips on described panel body.
5. vehicle-mounted multimedia terminal comprises: shell, and described shell comprises: the front panel that is oppositely arranged and rear board, described rear board comprises: panel body; It is characterized in that, described panel body is provided with fin on the rear end face away from front panel relatively.
6. vehicle-mounted multimedia terminal according to claim 5, is characterized in that: also be provided with heat dissipation grid on the rear end face of described panel body.
7. vehicle-mounted multimedia terminal according to claim 6, it is characterized in that: described heat dissipation grid is oppositely arranged between described fin, and described fin directly is processed to form by described panel body, and described panel body is the cast aluminium plate.
8. the described vehicle-mounted multimedia terminal of according to claim 5 to 7 any one, it is characterized in that: also comprise the pcb board that is arranged in described shell, be provided with power amplifier chips on described pcb board, described power amplifier chips is oppositely arranged on described outer casing back.
9. vehicle-mounted multimedia terminal according to claim 8, it is characterized in that: described power amplifier chips is fixed on described rear board by fixture.
10. vehicle-mounted multimedia terminal according to claim 9, is characterized in that: be provided with heat conductive silica gel between described power amplifier chips and described rear board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320330390 CN203279411U (en) | 2013-06-08 | 2013-06-08 | Vehicle multimedia terminal and terminal rear panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320330390 CN203279411U (en) | 2013-06-08 | 2013-06-08 | Vehicle multimedia terminal and terminal rear panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203279411U true CN203279411U (en) | 2013-11-06 |
Family
ID=49509726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320330390 Expired - Fee Related CN203279411U (en) | 2013-06-08 | 2013-06-08 | Vehicle multimedia terminal and terminal rear panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203279411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105120632A (en) * | 2015-08-28 | 2015-12-02 | 芜湖宏景电子股份有限公司 | Automobile stereo heat radiation structure |
-
2013
- 2013-06-08 CN CN 201320330390 patent/CN203279411U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105120632A (en) * | 2015-08-28 | 2015-12-02 | 芜湖宏景电子股份有限公司 | Automobile stereo heat radiation structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN COSTAR ELECTRONICS CO., LTD. Free format text: FORMER OWNER: SHENZHEN JD DIGITAL TECHNOLOGY CO., LTD. Effective date: 20150907 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150907 Address after: 518000 Guangdong city of Shenzhen province Baoan District Fuyong street community peace Fuyuan Road 1 Yuyuan Industrial Park building A building B layer 1-3 1-5 layer Patentee after: Ju electricity Electronics Co., Ltd. of Shenzhen Address before: 518000 Room 806, Shanghai Automotive Building, Nanhai Road, Shenzhen, Guangdong, Nanshan District 4050, China Patentee before: SHENZHEN JD DIGITAL TECHNOLOGY CO., LTD. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong city of Shenzhen province Baoan District Fuyong Street Fuyuan Road No. 94 Yu Source Industrial Park building A 1-5 layer, B 1-3 layer Patentee after: Shenzhen Judian Intelligent Technologies Inc. Address before: 518000 Guangdong city of Shenzhen province Baoan District Fuyong street community peace Fuyuan Road 1 Yuyuan Industrial Park building A building B layer 1-3 1-5 layer Patentee before: Ju electricity Electronics Co., Ltd. of Shenzhen |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20180608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |