CN210093835U - A heat abstractor and car machine for car machine - Google Patents
A heat abstractor and car machine for car machine Download PDFInfo
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- CN210093835U CN210093835U CN201920774046.7U CN201920774046U CN210093835U CN 210093835 U CN210093835 U CN 210093835U CN 201920774046 U CN201920774046 U CN 201920774046U CN 210093835 U CN210093835 U CN 210093835U
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- lower shell
- heat
- machine
- power amplifier
- heat dissipation
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- 230000005855 radiation Effects 0.000 claims abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims description 41
- 239000002184 metal Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- 239000007769 metal material Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 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
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a heat abstractor and car machine for car machine, this heat abstractor include center, lower casing and car mainboard, and wherein, the casing is installed in the center bottom and is provided with heat radiation structure down, and the car mainboard is installed between center and lower casing, and the one side subsides of car mainboard orientation casing down are equipped with the power amplifier IC, and the position of power amplifier IC on the car mainboard is corresponding with the position of heat radiation structure on the casing down. Lower casing sets up heat radiation structure, has avoided using independent fin to dispel the heat to power amplifier IC, the utility model discloses with the horizontal dress of pasting of power amplifier IC on the car machine mainboard, saved support, screw and fin to car machine heat abstractor's material cost and equipment cost have been saved.
Description
Technical Field
The utility model relates to a vehicle-mounted multimedia host, especially relate to a heat abstractor and car machine for car machine.
Background
And the vehicle-mounted multimedia host is installed in a vehicle cab, and is called a vehicle machine for short. The car machine mainly comprises a box body, wherein a mainboard (PCB) and a power amplifier IC of the car machine are arranged in the box body. Because power amplifier IC during operation can produce great heat, in order to accelerate power amplifier IC's heat dissipation capacity, need set up rather than the power amplifier IC fin that corresponds, and power amplifier IC support, power amplifier IC passes through power amplifier IC support mounting on the PCB board, specifically establish between support and fin for power amplifier IC presss from both sides, and be provided with screw hole and screw via hole on fin and the support respectively, fix the support on the fin through the set screw that passes the screw via hole on the fin in proper order, power amplifier IC breach and the screw on the support, also fix power amplifier IC between support and fin simultaneously. The radiating fin can be fixed on the middle frame through screws. The arrangement mode of the power amplifier IC needs to use components such as screws, brackets, PCB boards, radiating fins and the like, and screw holes and screw through holes corresponding to the screws need to be arranged on the components, and meanwhile, the mode of vertically fixing the power amplifier IC is adopted. The power amplifier IC heat radiation structure needs more parts, has a more complex part structure, is high in assembly cost and is not easy to maintain.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide a car machine video core plate structure and a vehicle that overcome or at least partially solve the above problems.
According to one aspect of the utility model, a heat dissipation device for a vehicle machine is provided, which is characterized in that the heat dissipation device comprises a middle frame, a lower shell and a vehicle machine main board, wherein,
the lower shell is arranged at the bottom of the middle frame and is provided with a heat dissipation structure;
the car machine mainboard, install in the center with between the lower casing, the car machine mainboard orientation the one side of lower casing is pasted and is equipped with the power amplifier IC, the power amplifier IC is in position on the car machine mainboard with heat radiation structure is in position on the lower casing is corresponding.
Optionally, the heat dissipation structure comprises a plurality of heat dissipation fins and a plurality of heat dissipation holes.
Optionally, the plurality of heat dissipation fins are arranged at the bottom of the lower shell at equal intervals;
the plurality of heat dissipation holes are arranged on the periphery of the plurality of heat dissipation fins.
Optionally, the heat dissipation device for a vehicle machine further includes:
and the heat conducting paste is horizontally mounted on one surface of the power amplifier IC facing the direction of the lower shell and is in contact with the heat radiating structure of the lower shell.
Optionally, the lower housing is made of a metal material.
Optionally, the bottom of the middle frame extends towards the inside of the middle frame to form a flanging;
the vehicle body is provided with a vehicle body main board, the vehicle body main board is provided with a turned edge, the lower shell is provided with screw hole positions correspondingly, screws sequentially penetrate through the turned edge, the vehicle body main board and the screw hole positions of the lower shell, and the turned edge, the vehicle body main board and the lower shell are connected through the screws.
Optionally, at least one interface is arranged on the vehicle machine mainboard, a through hole corresponding to the at least one interface is arranged on one side wall of the middle frame, and the interface penetrates through the through hole.
Optionally, the lower casing is provided with a groove, the groove is formed by sinking a part of the edge of the lower casing into the lower casing, and the screw hole of the lower casing is arranged in the groove.
According to the utility model discloses an on the other hand still provides a car machine, include any embodiment of the above a heat abstractor for car machine.
The embodiment of the utility model provides an in, the heat abstractor of car includes center, casing and car mainboard down, sets up heat radiation structure through the casing under, makes car heat abstractor's structure simpler, compares with prior art's technical scheme, the utility model discloses with the horizontal dress of pasting of power amplifier IC on the car mainboard, saved support, screw and fin, and then saved car heat abstractor's material cost and assembly cost.
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
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 shows a front view of a heat dissipation device of a vehicle machine according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a partially exploded structure of a heat dissipation device of a vehicle machine according to an embodiment of the present invention;
fig. 3 shows a back view of a heat dissipation device of a vehicle machine according to an embodiment of the present invention.
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.
In order to solve the technical problem, an embodiment of the utility model provides a heat abstractor for car machine. Referring to fig. 1 and 2, the heat dissipation device for a vehicle includes a middle frame 12, a lower housing 15, and a vehicle motherboard 11.
The lower shell 15 is installed at the bottom of the middle frame 12 and is provided with a heat dissipation structure 20, the vehicle machine mainboard 11 is installed between the middle frame 12 and the lower shell 15, a power amplifier IC13 is attached to one surface of the vehicle machine mainboard 11, which faces the lower shell 15, and the position of the power amplifier IC13 on the vehicle machine mainboard 11 corresponds to the position of the heat dissipation structure 20 on the lower shell 15.
The embodiment of the utility model provides an in, the heat abstractor of car includes center, casing and car mainboard down, sets up heat radiation structure through the casing under, makes car heat abstractor's structure simpler, compares with prior art's technical scheme, the utility model discloses with the horizontal dress of pasting of power amplifier IC on the car mainboard, saved support, screw and fin, saved car heat abstractor's material cost and assembly cost.
Referring to fig. 2 and 3, in an embodiment of the present invention, a heat dissipation structure 20 of a lower housing 15 of a heat dissipation device for a vehicle machine includes a plurality of heat dissipation fins 16 and a plurality of heat dissipation holes 17. Wherein, the heat dissipating fins 16 are arranged at the bottom of the lower casing 15 at equal intervals, and a plurality of heat dissipating holes 17 are arranged around the heat dissipating fins 16. Of course, the present invention does not specifically limit the number of the heat dissipation fins 16 and the heat dissipation holes 17 and the distance between the heat dissipation fins 16.
The radiating fins 16 and the radiating holes 17 of the embodiment have good radiating performance, and through contact with the power amplifier IC13, the heat of the power amplifier IC13 can be well radiated, the temperature of the power amplifier IC13 is rapidly reduced, so that the power amplifier IC13 operates at a proper temperature, the service life and the operating efficiency of the power amplifier IC13 are also ensured, and the effect of saving the cost is achieved.
In an embodiment of the present invention, the heat dissipation device for a vehicle machine further includes a heat conducting paste 14, and the heat conducting paste 14 is horizontally attached to the side of the power amplifier IC13 facing the direction of the lower housing 15, and contacts with the heat dissipation structure 20 of the lower housing 15.
In this embodiment, one side of the heat conducting paste 14 contacts with the power amplifier IC13, and the other side contacts with the heat dissipation structure 20, so that heat conduction can be effectively performed between the power amplifier IC13 and the heat dissipation structure 20, and heat generated by the power amplifier IC13 can be quickly conducted to the heat dissipation structure 20. If the area of the heat conducting paste 14 is larger than that of the power amplifier IC13, the contact area between the power amplifier IC13 and the heat dissipation structure 20 can be increased, so that the power amplifier IC13 can dissipate heat more quickly. In addition, the heat conducting sticker 14 not only can transfer the heat of the power amplifier IC13 to the heat dissipation structure 20, but also can effectively protect the power amplifier IC13, and prevent the power amplifier IC13 from being damaged by the heat dissipation structure 20 or other devices. The heat conducting paste 14 can be made of silica gel, graphite or other materials with good heat conductivity, and the utility model discloses do not do specific limit to this.
The utility model discloses an in the embodiment, a lower casing 15 for heat abstractor of car machine is metal material's lower casing 15. Wherein, lower casing 15 can be the lower casing 15 of aluminium system, also can make the lower casing 15 of the good metal material of other heat dispersion, the utility model discloses do not do specific injecing to this.
In this embodiment, the lower housing 15 made of a metal material with good thermal conductivity is also beneficial to accelerating the heat dissipation speed of the power amplifier IC13, so that the power amplifier IC13 can work at a proper temperature, and the service life of the power amplifier IC13 is prolonged.
The utility model relates to an embodiment, a middle frame 12 bottom for heat abstractor of car machine is to the inside formation turn-ups that extends of middle frame 12 (not shown in the figure), and what correspond respectively on turn-ups, car machine mainboard 11 and the lower casing 15 is provided with the screw hole site, as shown in FIG. 2, car machine mainboard 11 has screw hole site 10, and lower casing 15 has screw hole site 19. Pass the turn-ups through the screw hole site of turn-ups, car machine mainboard 11 and lower casing 15 in proper order to can carry out the screwed connection with the three.
In this embodiment, the middle frame 12, the car machine main board 11 and the lower shell 15 are fixedly connected by screws to form a whole, so that the car machine main board 11 in the middle frame 12 can be effectively protected.
In an embodiment of the present invention, at least one interface, such as the interface 181, the interface 182, the interface 183, and the interface 184 shown in fig. 2 and fig. 3, is disposed on the vehicle motherboard 11 of the heat dissipation device of the vehicle, and a through hole (not shown in the figure) corresponding to the interface is disposed on the side wall of the middle frame 12, so that the interface of the vehicle motherboard 11 runs through the through hole on the side wall of the middle frame 12.
In this embodiment, through the through hole corresponding to the interface of the in-vehicle motherboard 11 disposed on the side wall of the middle frame 12, the interface of the in-vehicle motherboard 11 can be conveniently connected to the external electronic device such as the camera of the box in a communication manner.
The utility model discloses an in the embodiment, car machine's heat abstractor's lower casing 15 is provided with recess 21, and recess 21 is formed by the partial edge of lower casing 15 to the inside sunken of lower casing 15, and lower casing 15's screw hole site 19 sets up in recess 21.
In this embodiment, by providing the groove 21 around the screw hole 19 of the lower housing 15, the screw passing through the screw hole 19 can be prevented from being exposed outside the lower housing 15, thereby effectively preventing the screw from scratching other vehicle-mounted devices.
Based on same design, the embodiment of the utility model provides a still provide a car machine, this car machine is provided with the heat abstractor who is used for the car machine that introduces in any embodiment of the above.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments can be modified or some or all of the technical features can be equivalently replaced within the spirit and principle of the present invention; such modifications or substitutions do not depart from the scope of the present invention.
Claims (9)
1. A heat dissipation device for a vehicle machine is characterized by comprising a middle frame, a lower shell and a vehicle machine main board, wherein,
the lower shell is arranged at the bottom of the middle frame and is provided with a heat dissipation structure;
the car machine mainboard, install in the center with between the lower casing, the car machine mainboard orientation the one side of lower casing is pasted and is equipped with the power amplifier IC, the power amplifier IC is in position on the car machine mainboard with heat radiation structure is in position on the lower casing is corresponding.
2. The heat dissipating device for a vehicle machine as claimed in claim 1,
the heat dissipation structure comprises a plurality of heat dissipation fins and a plurality of heat dissipation holes.
3. The heat dissipating device for a vehicle machine as claimed in claim 2,
the plurality of radiating fins are arranged at the bottom of the lower shell at equal intervals;
the plurality of heat dissipation holes are arranged on the periphery of the plurality of heat dissipation fins.
4. The heat dissipating device for a vehicle machine as claimed in any one of claims 1 to 3, further comprising:
and the heat conducting paste is horizontally mounted on one surface of the power amplifier IC facing the direction of the lower shell and is in contact with the heat radiating structure of the lower shell.
5. The heat dissipating device for a vehicle machine as claimed in any one of claims 1 to 3,
the lower shell is made of metal.
6. The heat dissipating device for a vehicle machine as claimed in any one of claims 1 to 3,
the bottom of the middle frame extends towards the inside of the middle frame to form a flanging;
the vehicle body is provided with a vehicle body main board, the vehicle body main board is provided with a turned edge, the lower shell is provided with screw hole positions correspondingly, screws sequentially penetrate through the turned edge, the vehicle body main board and the screw hole positions of the lower shell, and the turned edge, the vehicle body main board and the lower shell are connected through the screws.
7. The heat dissipating device for a vehicle machine as claimed in any one of claims 1 to 3,
the car machine mainboard is provided with at least one interface, a through hole corresponding to the at least one interface is formed in one side wall of the middle frame, and the interface penetrates through the through hole.
8. The heat dissipating device for a vehicle machine as claimed in claim 6,
the lower shell is provided with a groove, the groove is formed by sinking part of the edge of the lower shell into the lower shell, and a screw hole of the lower shell is arranged in the groove.
9. The utility model provides a car machine, its characterized in that includes: the heat dissipating device for a vehicle machine as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920774046.7U CN210093835U (en) | 2019-05-27 | 2019-05-27 | A heat abstractor and car machine for car machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920774046.7U CN210093835U (en) | 2019-05-27 | 2019-05-27 | A heat abstractor and car machine for car machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210093835U true CN210093835U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920774046.7U Active CN210093835U (en) | 2019-05-27 | 2019-05-27 | A heat abstractor and car machine for car machine |
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| Country | Link |
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| CN (1) | CN210093835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114786376A (en) * | 2022-04-02 | 2022-07-22 | 深圳市比驰信息技术有限公司 | High-integration high-definition display driving board card |
-
2019
- 2019-05-27 CN CN201920774046.7U patent/CN210093835U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114786376A (en) * | 2022-04-02 | 2022-07-22 | 深圳市比驰信息技术有限公司 | High-integration high-definition display driving board card |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
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. |
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| TR01 | Transfer of patent right |