CN216526692U - Camera shooting module - Google Patents
Camera shooting module Download PDFInfo
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- CN216526692U CN216526692U CN202123168318.5U CN202123168318U CN216526692U CN 216526692 U CN216526692 U CN 216526692U CN 202123168318 U CN202123168318 U CN 202123168318U CN 216526692 U CN216526692 U CN 216526692U
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- graphite sheet
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Abstract
The utility model discloses a camera module, comprising: the metal shell surrounds a cavity; a heat generating component secured in the cavity; and the graphite sheet is positioned in the cavity, one end of the graphite sheet is attached to the inner wall of the metal shell, and the other end of the graphite sheet extends to the heating component and is attached to the surface of the heating component. The utility model also discloses a device for controlling the operation of the device. Because the heat conductivility of graphite flake is better than the heat conductivility of air, consequently can conduct the heat of the part that generates heat to the metal casing through the graphite flake and dispel the heat rapidly, make the effective timely effluvium of heat in the metal casing, improve the radiating efficiency to improve the life of module of making a video recording.
Description
Technical Field
The utility model relates to the technical field of camera shooting, in particular to a camera shooting module.
Background
Along with the continuous development of product intellectuality, automation, the module of making a video recording is used to many products, for example module of making a video recording is all used to electronic product such as intelligent hardware product, on-vehicle hardware product and mobile terminal. Therefore, the quality of the camera module is more and more emphasized by manufacturers, and the heat dissipation performance of the camera module is one of the key factors for determining the quality of the camera module.
The current camera module, its radiating mode is, the heat that the part that generates heat is conducted to the metal casing of camera module by the inside air of camera module, realizes the heat dissipation by metal casing. However, the heat dissipation efficiency of the heat dissipation method is low, so that the service life of the camera module is easily reduced due to overhigh temperature.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a camera module, which is used for solving the problem of low heat dissipation efficiency of the camera module in the prior art.
In order to solve the problems, the utility model adopts the following technical scheme:
provided is a camera module, including:
the metal shell surrounds a cavity;
a heat generating component secured in the cavity;
the graphite sheet is positioned in the cavity, one end of the graphite sheet is attached to the inner wall of the metal shell, and the other end of the graphite sheet extends to the heating component and is attached to the surface of the heating component.
Optionally, the metal housing includes a front housing and a rear housing that are fastened to each other and together form the cavity, the heat generating component is disposed in the rear housing, one end of the graphite sheet is attached to a housing wall of the front housing, and the other end of the graphite sheet extends into the rear housing and is attached to the heat generating component.
Optionally, the heat generating component includes an image sensor and a power supply IC, and the image sensor and the power supply IC are both attached with the graphite sheet.
Optionally, the graphite sheet is of an integral structure at a portion of the front case, and is attached to the image sensor and the power supply IC at a portion of the rear case, respectively.
Optionally, the graphite sheet is continuously disposed on the inner wall of the front shell along the circumferential direction of the front shell.
Optionally, the cross section of the metal shell is a rectangular shell, and the portions of the graphite sheets on the rear shell are respectively located on different sides of the metal shell.
Optionally, the graphite sheet and each portion of the rear housing are rectangular.
Optionally, at least one surface of the graphite sheet is attached with a metal foil.
Optionally, the side of the graphite sheet provided with the metal foil is pasted with the metal foil.
Optionally, a plurality of cooling fins are arranged on the outer side of the metal shell.
The technical scheme adopted by the utility model can achieve the following beneficial effects:
heat generated by the heat-generating component can be conducted through the graphite sheet to the metal case, and then the heat is discharged from the metal case. Because the heat conductivility of graphite flake is better than the heat conductivility of air, consequently can dispel the heat to metal casing through the heat conduction of graphite flake component that generates heat rapidly, make the effective timely effluvium of heat in the metal casing, improve the radiating efficiency to improve the life of the module of making a video recording. And the graphite flake is a brand-new heat conduction and dissipation material, can evenly conduct heat along two directions, can shield the heating component and improve the performance of the product while the air in the cavity.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below to form a part of the present invention, and the exemplary embodiments and the description thereof illustrate the present invention and do not constitute a limitation of the present invention. In the drawings:
fig. 1 is an exploded front view of a camera module according to an embodiment of the present invention;
fig. 2 is an exploded perspective view of a camera module according to an embodiment of the present invention;
fig. 3 is a schematic view of a structure in which a graphite sheet is not attached to a heat generating component according to an embodiment of the present invention;
fig. 4 is a schematic view of a graphite sheet after lamination according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of a rear housing disclosed in an embodiment of the present invention.
Wherein the following reference numerals are specifically included in figures 1-5:
a metal shell-1; a heat generating component-2; graphite flake-3; a front shell-11; -a rear shell-12; a cavity-13; an image sensor-21; a power supply IC-22; a circuit board-23; a first portion-31; second portion-32.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the camera module of the present invention includes a metal case 1, a heat generating component 2, and a graphite sheet 3. The metal case 1 is used to enclose a cavity 13, with the heat-generating component 2 and the graphite sheet 3 both disposed in the cavity 13. As shown in fig. 3, 4, and 5, in which the arrows in fig. 5 indicate the heat flow direction, the graphite sheet 3 has one end attached to the inner wall of the metal case 1 and the other end extending to the heat generating component 2 and attached to the surface of the heat generating component 2. Thus, heat generated from the heat generating component 2 can be conducted to the metal case 1 via the graphite sheet 3, and then the heat can be discharged from the metal case 1. Because the heat conductivility of graphite flake 3 is better than the heat conductivility of air, consequently can dispel the heat to metal casing 1 with the heat conduction of the part 2 that generates heat rapidly through graphite flake 3, make the effective timely effluvium of heat in the metal casing 1, improve the radiating efficiency to improve the life of the module of making a video recording. And the graphite sheet 3 is a brand-new heat conduction and dissipation material, can conduct heat uniformly in two directions, can shield the air in the heating component 2 and the cavity 13, and simultaneously improves the performance of the product.
To achieve the above object, the components of the camera module can be arranged in various ways, and the following describes the structure of each component in detail by taking a specific embodiment as an example.
The metal shell 1 is formed by a front shell 11 and a rear shell 12 which are fastened to each other, that is, a cavity 13 is enclosed by the front shell 11 and the rear shell 12. The shape of the metal shell 1 may be specifically set according to the requirement, for example, the cross section of the metal shell 1 (the section perpendicular to the axial direction of the front shell 11) may be rectangular or circular, and the like. The material of the metal shell 1 may be set according to the requirement.
The heat generating component 2 may include the image sensor 21 and the power IC 22. The image sensor 21 and the power supply IC22 are both located within the rear case 12, and the image sensor 21 is fixed on the circuit board 23. At this time, the graphite sheet 3 is specifically attached to the heat generating part of the power IC22 and the circuit board 23 located on the back surface of the image sensor 21. Of course, the heat generating component 2 may include only the power IC22 (or the image sensor 21) or the like, that is, only the graphite sheet 3 is attached to the power IC22 (or the image sensor 21), and the graphite sheet 3 is not attached to the image sensor 21 (or the power IC 22).
The other end of the graphite sheet 3 is attached to the inner wall of the front case 11 to conduct the heat of the rear case 12 to the front case 11, thereby realizing the rapid dissipation of the heat in the rear case 12. Can realize radiating position on 11 inner walls of preceding shell and all can paste and establish graphite flake 3 to increase graphite flake 3's area as far as possible, improve graphite flake 3's heat transfer effect. In one example, the graphite sheet 3 comprises two parts, a first part 31 located in the front housing 11 and a second part 32 located in the rear housing 12.
The first portion 31 is in a strip shape and is continuously attached to the front housing 11 along the circumferential direction of the front housing 11. A plurality of second portions 32 are provided at one side of the first portion 31 at intervals, each second portion 32 has a strip shape extending perpendicularly to the first portion 31, and the number of the second portions 32 can be specifically set according to the number of the heat-generating components 2, for example, when the heat-generating components 2 include the image sensor 21 and the power IC22, the number of the second portions 32 is 2. When the cross section of the metal case 1 is rectangular, the second portions 32 are respectively located on one side surface of the rear case 12, so that one of the second portions 32 is attached to the circuit board 23 on the back surface of the image sensor 21, and one of the second portions 32 is attached to the power supply IC 22. And at this time, the other two sides of the front case 11 are also provided with the first portions 31, i.e., the inner wall of the front case 11 is continuously provided with the graphite sheets 3 along the circumferential direction of the front case 11. So set up, simple structure, the processing preparation graphite flake 3 of being convenient for, the graphite flake 3 is established to the subsides of being convenient for, can effectively improve graphite flake 3's heat conduction effect moreover.
In addition, at least one side of graphite flake 3 can also be pasted and be equipped with the metal forming, constitutes laminated structure by graphite flake 3 and metal forming, and heat conduction jointly further improves the radiating effect of the module of making a video recording. And the side of the graphite sheet 3 provided with the metal foil is pasted with the metal foil, that is, when the metal foil is pasted to the side of the graphite sheet 3, the metal foil covers the side of the graphite sheet 3, that is, the first portion 31 and the second portion 32 of the side of the graphite sheet 3; when both sides of graphite are attached with metal foil, the metal foil covers both sides of the graphite sheet 3, i.e., the first portion 31 and the second portion 32 covering both sides of the graphite sheet 3. The metal foil may be a copper foil or the like. So set up, simple structure, the processing preparation of being convenient for can further conduct the heat of the part 2 that generates heat to metal casing 1 fast and dispel the heat, makes the effective timely effluvium of heat in the metal casing 1, improves the radiating efficiency to improve the life of the module of making a video recording.
In addition, the outer side of the metal shell 1 can be provided with a plurality of radiating fins, namely radiating fins, so as to further enhance the radiating effect of the camera module. Here, the heat dissipation fins may be provided on both the front case 11 and the rear case 12 as required, or may be provided only on the front case 11 or the rear case 12, for example. In a preferred example, the heat sink is provided on the front case 11 and the rear case 12. The cooling fins arranged on the front shell 11 are arranged along the circumferential direction of the front shell 11 at intervals, that is, a plurality of cooling fins are arranged along the circumferential direction of the front shell 11 at intervals, and each cooling fin extends along the axial direction of the front shell 11. The fins disposed on the rear housing 12 are arranged at intervals along the axial direction of the rear housing 12, that is, a plurality of fins are disposed at intervals along the axial direction of the rear housing 12, and each fin extends along the circumferential direction of the rear housing 12 to form a ring shape. So set up, the fin improves the radiating efficiency with the cooperation of graphite flake 3.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. The utility model provides a module of making a video recording which characterized in that includes:
the metal shell surrounds a cavity;
a heat generating component secured in the cavity;
the graphite sheet is positioned in the cavity, one end of the graphite sheet is attached to the inner wall of the metal shell, and the other end of the graphite sheet extends to the heating component and is attached to the surface of the heating component.
2. The camera module of claim 1, wherein the metal housing comprises a front housing and a rear housing that are fastened together and together form the cavity, the heat generating component is disposed in the rear housing, and one end of the graphite sheet is attached to a wall of the front housing and the other end of the graphite sheet extends into the rear housing and is attached to the heat generating component.
3. The camera module of claim 2, wherein the heat generating component comprises an image sensor and a power IC, both of which are attached with the graphite sheet.
4. The camera module of claim 3, wherein the graphite sheet is integrally formed at a portion of the front case, and is attached to the image sensor and the power IC at a portion of the rear case, respectively.
5. The camera module according to claim 4, wherein the graphite sheet is continuously provided on the inner wall of the front case along a circumferential direction of the front case.
6. The camera module of claim 4, wherein the metal housing has a rectangular cross-section, and the graphite sheets are respectively disposed on different sides of the metal housing at portions of the rear housing.
7. The camera module of claim 6, wherein the graphite sheet is rectangular in shape in each portion of the rear housing.
8. The camera module of any of claims 1-7, wherein at least one surface of the graphite sheet is coated with a metal foil.
9. The camera module of claim 8, wherein the side of the graphite sheet on which the metal foil is disposed is covered with the metal foil.
10. The camera module of any of claims 1-7, wherein the metal housing has a plurality of fins on an outer side thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123168318.5U CN216526692U (en) | 2021-12-16 | 2021-12-16 | Camera shooting module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123168318.5U CN216526692U (en) | 2021-12-16 | 2021-12-16 | Camera shooting module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216526692U true CN216526692U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123168318.5U Active CN216526692U (en) | 2021-12-16 | 2021-12-16 | Camera shooting module |
Country Status (1)
| Country | Link |
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| CN (1) | CN216526692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114063366A (en) * | 2021-12-16 | 2022-02-18 | 信利光电股份有限公司 | Camera shooting module |
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2021
- 2021-12-16 CN CN202123168318.5U patent/CN216526692U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114063366A (en) * | 2021-12-16 | 2022-02-18 | 信利光电股份有限公司 | Camera shooting module |
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