CN215850754U - Instrument host computer heat abstractor and car - Google Patents
Instrument host computer heat abstractor and car Download PDFInfo
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- CN215850754U CN215850754U CN202121679307.0U CN202121679307U CN215850754U CN 215850754 U CN215850754 U CN 215850754U CN 202121679307 U CN202121679307 U CN 202121679307U CN 215850754 U CN215850754 U CN 215850754U
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- circuit board
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Abstract
The utility model discloses an instrument host heat dissipation device and an automobile, wherein the instrument host heat dissipation device comprises a mounting box, a control circuit board and a heat conducting piece, wherein the mounting box comprises a top cover and a bottom shell, and the top cover and the bottom shell are detachably connected; the control circuit board is connected with the bottom shell, one end of the heat conducting piece is contacted with the control circuit board, and the other end of the heat conducting piece is contacted with the top cover; in the operation process of the instrument host, heat generated by the control circuit board is transmitted to the top cover connected with the heat conducting member through the heat conducting member, and the heat is diffused through the whole top cover; compared with the prior art, the technical scheme of the utility model has the advantages of large heat dissipation area, more uniform heat transfer, higher heat dissipation efficiency, no need of more air openings and capability of avoiding the influence on the structural strength of the shell.
Description
Technical Field
The utility model relates to the field of automobiles, in particular to a heat dissipation device for an instrument host and an automobile.
Background
The base plate of current motormeter host computer is carrying out signal, image processing when following to can produce a lot of heats when drive speaker and display screen, this needs the instrument host computer to have better heat dispersion, avoids producing adverse effect to the work of the inside components and parts of host computer. However, in the existing automobile instrument host structure, the heat dissipation mode of the automobile instrument host is generally that the heat dissipation device on the heat dissipation silica gel contact substrate in the instrument host is used for transferring heat and dissipating heat in a passive mode in contact with air, and more heat dissipation holes are formed in the peripheries of the top cover and the bottom shell to increase the contact heat dissipation with air, so that the heat dissipation efficiency is not high due to the fact that the substrate is placed in the host and the contact area with the air is smaller.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a heat dissipation device for a meter host and an automobile, and aims to solve the problem that the heat dissipation performance of the automobile meter host in the prior art is poor.
In order to achieve the above object, the present invention provides a heat sink for a meter main unit, the heat sink for a meter main unit includes a mounting box, a control circuit board, and a heat conducting member, wherein: the mounting box comprises a top cover and a bottom shell, and the top cover is detachably connected with the bottom shell; the control circuit board is connected with the bottom shell; the heat conducting piece is provided with a first end and a second end oppositely, the first end of the heat conducting piece is in contact with the control circuit board, and the second end of the heat conducting piece is in contact with the top cover.
In an embodiment of the present invention, an abutting table is formed by projecting the top cover toward a side of the control circuit board, and the second end of the heat-conducting member is in contact with the abutting table.
In an embodiment of the present invention, the control circuit board includes a substrate and an electronic component, the electronic component is mounted on the substrate, the substrate is detachably connected to the bottom case, and the first end of the heat conducting member is connected to the electronic component.
In an embodiment of the utility model, a first end of the heat conducting member is attached to the electronic component, and a second end of the heat conducting member is attached to the abutting table.
In an embodiment of the utility model, the abutting table and the top cover are integrally formed.
In an embodiment of the present invention, the mounting box further includes a mounting plate, and the mounting plate is connected to the bottom case.
In an embodiment of the utility model, the mounting plate is provided with a first mounting hole, the bottom shell is provided with a second mounting hole corresponding to the first mounting hole, and the mounting box further includes a fixing member, and the fixing member sequentially passes through the first mounting hole and the second mounting hole to detachably connect the mounting plate and the bottom shell.
In an embodiment of the utility model, the top cover is provided with a plurality of grooves, and the plurality of grooves are distributed on the surface of the top cover at intervals.
In an embodiment of the present invention, the mounting box is an aluminum alloy box.
In addition, the utility model also comprises an automobile which comprises a frame and an instrument host heat dissipation device, wherein the frame is connected with the instrument host heat dissipation device.
In the technical scheme of the utility model, the heat dissipation device of the instrument host comprises a mounting box, a control circuit board and a heat conduction piece, wherein the mounting box comprises a top cover and a bottom shell, and the top cover is detachably connected with the bottom shell; the control circuit board is connected with the bottom shell, one end of the heat conducting piece is contacted with the control circuit board, and the other end of the heat conducting piece is contacted with the top cover; in the operation process of the instrument host, heat generated by the control circuit board is transmitted to the top cover connected with the heat conducting member through the heat conducting member, and the heat is diffused through the whole top cover; compared with the prior art, the technical scheme of the utility model has the advantages of large heat dissipation area, more uniform heat transfer, higher heat dissipation efficiency, no need of more air openings and capability of avoiding the influence on the structural strength of the shell.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is an exploded view of a heat sink device of a meter main unit according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the heat dissipation device of the meter main unit in fig. 1.
The reference numbers illustrate:
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" can include at least one of the feature either explicitly or implicitly.
Moreover, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
As shown in fig. 1 and 2, the present invention provides a heat dissipating device 100 for a meter main unit, where the heat dissipating device 100 for a meter main unit includes a mounting box 200, a control circuit 300 and a heat conducting member 400, where the mounting box 200 includes a top cover 210 and a bottom cover 211, the top cover 210 and the bottom cover 211 are detachably connected, the control circuit 300 is connected to the bottom cover 211, the heat conducting member 400 is provided with a first end and a second end opposite to each other, the first end of the heat conducting member 400 is connected to the control circuit 300, and the second end of the heat conducting member is in contact with the top cover 210.
In an embodiment of the present invention, since the control circuit 300 belongs to a precision component, in order to better protect the control circuit 300, the control circuit 300 is placed in the mounting box 200, the mounting box 200 includes a top cover 210 and a bottom cover 211, the top cover 210 and the bottom cover 211 are detachably connected to facilitate opening the mounting box 200, both the top cover 210 and the bottom cover 211 are provided with through holes, preferably, bolts pass through the through holes, the top cover 210 and the bottom cover 211 are connected by bolts, more preferably, rivets pass through the through holes to rivet the top cover 210 and the bottom cover 211, and the top cover 210 and the bottom cover 211 are provided with a through hole for repairing and replacing the components such as the control circuit 300 in the box; in the working process of the control circuit 300, the control circuit 300 generates heat because of the resistance of the control circuit 300, one end of the heat conducting piece 400 is connected with the control circuit 300, and the other end of the heat conducting piece 400 is connected with the top cover 210, so that the heat is transmitted to the top cover 210 through the heat conducting piece 400, the heat dissipation area of the top cover 210 is large, the transmission is more uniform, and the heat dissipation efficiency is higher.
Preferably, the heat conducting member 400 is a heat conducting silica gel, which is a heat conducting material with low thermal resistance, high heat conducting performance and high flexibility, and the material has high flexibility to reduce the pressure required between components and parts, and covers the surface with microscopic unevenness to fully contact the components and parts to improve the heat conducting efficiency, thereby being particularly suitable for the heat conducting requirement with limited space.
Preferably, the top cover 210 is formed with an abutting table 212 protruding towards one side of the control circuit 300, the second end of the heat conducting member 400 contacts with the abutting table 212, the abutting table 212 shortens the distance between the control circuit 300 and the top cover 210, the time for transferring heat to the top cover 210 through the heat conducting member 400 is shortened, and meanwhile, the abutting table 212 also increases the surface area of the top cover 210, so that the heat dissipation efficiency is improved, further, the height of the abutting table 212 only needs to be considered as the height of the control circuit 300, the space of a host computer shell does not need to be increased, the problem of occupying a large installation space is effectively avoided, and the heights of the control circuit 300 are different.
Further, the control circuit 300 includes a substrate 312 and an electronic component 311, the electronic component is mounted on the substrate 312, the substrate 312 is detachably connected to the bottom case 211, the first end of the heat conducting member 400 contacts with the electronic component 311, in the control circuit 300, the electronic component 311 mainly generates heat, the electronic component 311 directly contacts with the heat conducting member 400, the heat transfer efficiency can be effectively improved, when the electronic component 311 is damaged, the control circuit 300 can be detached from the bottom case 211, the electronic component 311 on the control circuit 300 is overhauled and replaced, the replacement of the whole control circuit 300 is avoided, and the maintenance cost is reduced.
Furthermore, the first end of the heat conducting member 400 is attached to the electronic component 311, the second end of the heat conducting member 400 is attached to the abutting table 212, and the heat conducting member 400 is attached to the electronic component 311, so that the heat conducting member 400 is in close contact with the electronic component, and the heat transfer efficiency is better.
In addition, the abutting table 212 and the top cover 210 are integrally formed, compared with other modes such as welding and the like, the abutting table 212 and the top cover 210 are integrally formed, the processing can be completed in the manufacturing process of the top cover 210, the later-stage further processing process of the top cover 210 is omitted, the manufacturing is more convenient, meanwhile, only the top cover 210 needs to be installed during installation, the installation is more convenient and simpler, preferably, the top cover 210 and the abutting table 212 can be integrally formed by casting, the casting is a manufacturing mode that molten metal is poured into a casting mold and is cooled and solidified to obtain required shapes and parts, the casting cost is low, and the process flexibility is high; more preferably, the abutting table 212 and the top cover 210 are integrally formed by stamping, wherein external force is applied to the plate, the strip and the mould by a press and a mould to enable the plate, the strip and the mould to be plastically deformed or separated, so that a stamping part with a required shape and size is obtained, the stamping part has the characteristics of thinness, uniformity, lightness and strength, the production efficiency of stamping processing is high, the consumable material is less, and the top cover 210 and the abutting table 212 are manufactured by a stamping mode, so that the efficiency is higher, and the cost is more saved.
In an embodiment of the present invention, the mounting box 200 further includes a mounting plate 213, the mounting plate 213 is connected to the bottom case 211, preferably, the mounting plate 213 is a bent plate, one side of the bent plate is connected to the bottom case 211, and the other side of the mounting plate 213 is connected to the vehicle frame (not shown) for mounting the meter main unit heat sink 100 to the vehicle frame (not shown), and further, the bent plate connects the vehicle meter heat sink and the vehicle frame (not shown) to form a triangle therebetween, and the triangle has stability, so that the vehicle frame (not shown) and the meter main unit heat sink 100 are more stably mounted.
More specifically, the mounting plate 213 has a first mounting hole 215, the bottom case 211 has a second mounting hole (not shown) corresponding to the first mounting hole 215, and the mounting box 200 further includes a fixing member (not shown), the fixing member (not shown) sequentially passes through the first mounting hole 215 and the second mounting hole (not shown), so as to detachably connect the mounting plate 213 and the bottom case 211, and the mounting plate 213 is detachably connected to the bottom case 211, so that when the mounting box 200 needs to be repaired and replaced, the mounting plate 213 is conveniently detached from the mounting box 200.
Preferably, many grooves 214 have been seted up to top cap 210, many grooves 214 interval distribution are on the surface of top cap 210, and the surface area of top cap 210 has been increased to grooves 214, has increased the basic area of air with top cap 210, has promoted the radiating efficiency, and simultaneously, the cross-sectional area of top cap 210 that the groove 214 design is increased, compares with the plane, and the cross-sectional moment of top cap 210 obtains increasing behind the design groove 214, has improved the bending resistance of roof, has promoted the intensity of roof.
In an embodiment of the present invention, the mounting box 200 is an aluminum alloy box, which has a low aluminum alloy density, but a high strength close to or exceeding that of high-quality steel, has good plasticity, can be processed into various shapes, has excellent electrical conductivity, thermal conductivity and corrosion resistance, can rapidly dissipate heat due to good thermal conductivity, reduces the temperature of the mounting box 200, has good plasticity and low price of aluminum alloy, and facilitates mass production and manufacturing of the mounting box 200.
In addition, the vehicle further comprises a frame (not shown) and the above-mentioned heat dissipation device 100 for the meter main unit, the frame (not shown) is connected with the heat dissipation device 100 for the meter main unit, preferably, a threaded hole is formed in the frame (not shown), the heat dissipation device 100 for the meter main unit is provided with a fixing hole corresponding to the threaded hole, a fastener sequentially passes through the fixing hole and the threaded hole to fix the heat dissipation device 100 for the meter main unit on the frame (not shown), and through detachable connection, when the heat dissipation device 100 for the meter main unit is damaged, the heat dissipation device 100 for the meter main unit is conveniently detached from the vehicle body to be repaired and replaced, so that the maintenance is more convenient; secondly, instrument host computer heat abstractor 100 also can adopt welded connection with the frame (not shown), makes host computer heat abstractor can fasten with the frame (not shown), also makes frame (not shown) and instrument host computer heat abstractor 100 become an organic whole simultaneously, and structural strength is better.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents made by the contents of the present specification and drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides an instrument host computer heat abstractor, its characterized in that, instrument host computer heat abstractor includes mounting box, control circuit board and heat-conducting piece, wherein:
the mounting box comprises a top cover and a bottom shell, and the top cover is detachably connected with the bottom shell;
the control circuit board is connected with the bottom shell;
the heat conducting piece is provided with a first end and a second end oppositely, the first end of the heat conducting piece is in contact with the control circuit board, and the second end of the heat conducting piece is in contact with the top cover.
2. The meter main body heat dissipating device according to claim 1, wherein an abutment is formed by a side of the top cover that protrudes toward the control circuit board, and the second end of the heat conductive member is in contact with the abutment.
3. The meter main body heat sink according to claim 2, wherein the control circuit board includes a substrate and an electronic component, the electronic component is mounted on the substrate, the substrate is detachably connected to the bottom case, and the first end of the heat conductive member is in contact with the electronic component.
4. The meter body heat sink of claim 3, wherein a first end of the thermally conductive member is attached to the electronic component and a second end of the thermally conductive member is attached to the abutment.
5. The meter main body heat sink of claim 4, wherein the abutment stage is integrally formed with the top cover.
6. The meter host heat sink of claim 1, wherein the mounting box further comprises a mounting plate, the mounting plate being connected to the bottom case.
7. The heat dissipating device for a meter main unit according to claim 6, wherein the mounting plate has a first mounting hole, the bottom case has a second mounting hole corresponding to the first mounting hole, and the mounting box further comprises a fixing member, the fixing member sequentially passes through the first mounting hole and the second mounting hole to detachably connect the mounting plate and the bottom case.
8. The heat sink for a main body of a meter according to claim 1, wherein the top cover is provided with a plurality of grooves, and the plurality of grooves are distributed on the surface of the top cover at intervals.
9. The heat sink for a host computer of an instrument according to any one of claims 1 to 8, wherein the mounting box is an aluminum alloy box.
10. An automobile, characterized in that the automobile comprises a frame and the instrument main machine heat dissipation device as claimed in any one of claims 1 to 9, wherein the frame is connected with the instrument main machine heat dissipation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121679307.0U CN215850754U (en) | 2021-07-22 | 2021-07-22 | Instrument host computer heat abstractor and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121679307.0U CN215850754U (en) | 2021-07-22 | 2021-07-22 | Instrument host computer heat abstractor and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215850754U true CN215850754U (en) | 2022-02-18 |
Family
ID=80331147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121679307.0U Active CN215850754U (en) | 2021-07-22 | 2021-07-22 | Instrument host computer heat abstractor and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215850754U (en) |
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2021
- 2021-07-22 CN CN202121679307.0U patent/CN215850754U/en active Active
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