CN112311978A - A installed part and camera subassembly for fixing camera - Google Patents
A installed part and camera subassembly for fixing camera Download PDFInfo
- Publication number
- CN112311978A CN112311978A CN202010123513.7A CN202010123513A CN112311978A CN 112311978 A CN112311978 A CN 112311978A CN 202010123513 A CN202010123513 A CN 202010123513A CN 112311978 A CN112311978 A CN 112311978A
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- Prior art keywords
- camera
- heat
- silica gel
- mounting
- conducting silica
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/52—Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
- Studio Devices (AREA)
Abstract
The embodiment of the application discloses an installed part and camera subassembly for fixing camera. One embodiment of the mount comprises: one end of the mounting piece is provided with a lens through hole matched with the camera, the other end of the mounting piece is provided with a mounting hole, and a mounting cavity for mounting the camera is arranged in the mounting piece between the lens through hole and the mounting hole; the installed part other end is equipped with spacing portion, and spacing portion is used for keeping away from at spacing portion and forms spacing space between the spacing portion top of the installed part other end and the photographic film of camera. This embodiment can form spacing space through spacing portion between the photosensitive piece of fin and camera, spacing space and heat conduction silica gel and heat absorption deformation volume phase-match for the influence of heat conduction silica gel heat absorption deformation to the photosensitive piece keeps in the within range that the photosensitive piece can bear, has guaranteed that the photosensitive piece can clearly form images.
Description
Technical Field
The embodiment of the application relates to the field of cameras, in particular to an installation part for fixing a camera and a camera assembly.
Background
At present, a direct-pressure heat dissipation mode or a copper foil wrapping mode is generally adopted for heat dissipation of the camera. In the direct-pressure heat dissipation mode, a reinforcing plate is arranged between the photosensitive piece of the camera and the heat conduction silica gel, and the reinforcing plate can prevent the heat conduction silica gel from absorbing heat and deforming to extrude the photosensitive piece, so that the imaging of the photosensitive piece is not clear. In the copper foil wrapping mode, the photosensitive piece is wrapped with the copper foil for heat dissipation, and a reinforcing plate is not needed.
Disclosure of Invention
The embodiment of the application provides an installed part and camera subassembly for fixing camera.
In a first aspect, an embodiment of the application provides a mounting part for fixing a camera, wherein one end of the mounting part is provided with a lens through hole matched with the camera, the other end of the mounting part is provided with a mounting hole, and an installation cavity for installing the camera is arranged in the mounting part between the lens through hole and the mounting hole; the installed part other end is equipped with spacing portion, and spacing portion is used for keeping away from at spacing portion and forms spacing space between the spacing portion top of the installed part other end and the photographic film of camera.
In some embodiments, the limiting part is arranged on the side wall at the other end of the mounting part.
In some embodiments, the height of the limiting space is determined according to the thickness of the heat-conducting silica gel, the amount of heat-absorbing deformation of the heat-conducting silica gel, and the amount of heat-absorbing deformation of the photosensitive sheet, which are disposed in the limiting space, the height of the limiting space is the distance between the top of the limiting portion and the photosensitive sheet, the thickness of the heat-conducting silica gel is the distance between the top surface and the bottom surface of the heat-conducting silica gel in the height direction of the limiting space, and the amount of heat-absorbing deformation of the heat-conducting silica gel and the amount of heat-absorbing deformation of the photosensitive sheet.
In some embodiments, the height of the spacing space is equal to the thickness of the heat-conducting silicone gel, the amount of heat-absorbing deformation of the heat-conducting silicone gel, and the amount of heat-absorbing deformation of the photosensitive sheet.
In some embodiments, the height of the limiting space is determined according to the thickness of the heat-conducting silica gel arranged in the limiting space, the amount of heat-absorbing deformation of the heat-conducting silica gel, the amount of heat-absorbing deformation of the photosensitive sheet, and the maximum deformation of the photosensitive sheet in the thickness direction, wherein the maximum deformation represents the maximum deformation that the photosensitive sheet can bear on the basis of clear imaging.
In some embodiments, the side wall of the mounting member is provided with a positioning hole for fixing the mounting member on the outer packaging shell.
In some embodiments, the side walls of the mounting pieces provided with the limiting parts are provided with positioning holes for fixing the mounting pieces on the outer packaging shell.
In some embodiments, the locating holes are tapered locating holes; the taper of the taper positioning hole is 15-25 degrees, and the depth is 1.5-2.5 mm.
In a second aspect, an embodiment of the present application provides a camera assembly, where the camera assembly includes a camera and a mounting part implemented in any implementation manner of the first aspect; the camera sets up in the arrangement intracavity of installed part.
In some embodiments, further comprising: heat-conducting silica gel and radiating fins; the heat-conducting silica gel is arranged in the limiting space and is attached to the photosensitive sheet; the radiating fin is arranged on the limiting part.
According to the mounting piece and the camera component for fixing the camera, one end of the mounting piece is provided with a lens through hole matched with the camera, the other end of the mounting piece is provided with a mounting hole, and an arranging cavity for mounting the camera is formed in the mounting piece between the lens through hole and the mounting hole; the installed part other end is equipped with spacing portion, and spacing portion is used for keeping away from at spacing portion and forms spacing space between the spacing portion top of the installed part other end and the photographic film of camera. This application can form spacing space through spacing portion between the photosensitive piece of fin and camera, spacing space and heat conduction silica gel and heat absorption deformation volume phase-match for heat conduction silica gel heat absorption deformation keeps in the within range that the photosensitive piece can bear, has guaranteed that the photosensitive piece can clearly form images.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a block diagram of one embodiment of a mount for securing a camera head of the present application;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a right side view of FIG. 1;
FIG. 4 is an exploded view of the structure of one embodiment of the camera assembly of the present application;
FIG. 5 is a block diagram of the camera assembly of FIG. 4 after it is packaged in an outer packaging shell;
fig. 6 is an enlarged view of a portion of the structure of fig. 5.
The packaging structure comprises a packaging shell, an assembly part, a lens through hole, a mounting cavity, a side wall, a limiting part, a positioning hole, a camera 300, heat-conducting silica gel 400, a cooling fin 500 and an outer packaging shell, wherein the packaging shell comprises a through hole 100, an assembly part 101, a lens through hole 102, a mounting hole 103, a mounting.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1-3 are block diagrams illustrating an embodiment of a mounting member 100 for fixing a camera according to the present application, wherein fig. 1 is a perspective view of the mounting member 100, fig. 2 is a top view of the mounting member 100 in fig. 1, and fig. 3 is a right side view of the mounting member 100 in fig. 1. One end of the mounting piece 100 is provided with a lens through hole 101 matched with the camera, the other end of the mounting piece 100 is provided with a mounting hole 102, and a mounting cavity 103 for mounting the camera is arranged in the mounting piece 100 between the lens through hole 101 and the mounting hole 102; the other end of the mounting piece 100 is provided with a limiting part 105, and the limiting part 105 is used for forming a limiting space between the top of the limiting part 105, far away from the other end of the mounting piece, of the limiting part 105 and a photosensitive film of the camera.
In this embodiment, the mounting member 100 is used for fixing a camera, the camera can be placed in the mounting cavity 103 in the mounting member 100 through the mounting hole 102, a lens of the camera fixed in the mounting cavity 103 is disposed in the lens through hole 101 matched with the camera, and external light can pass through the lens through hole 101 and enter the lens of the camera.
The mount 100 can be a mount 100 that can take on a variety of configurations including, but not limited to, a trapezoidal-shaped configuration, a truncated cone configuration, a truncated pyramid configuration, and the like.
The position-limiting part 105 may be disposed on a side wall at the other end of the mounting member, that is, the side wall 104 adjacent to one end of the mounting hole 102, and in some alternative implementations, the position-limiting part 105 may be disposed on the side wall 104 opposite to the mounting member 100. When the mounting member 100 is installed and used, the limiting portion 105 is in direct contact with the heat sink, so that a limiting space is formed between the top of the limiting portion 105 and the light-sensitive sheet of the camera, that is, a limiting space is formed between the heat sink and the light-sensitive sheet of the camera.
The heat-conducting silica gel is placed in the limiting space, and the heat-conducting silica gel can be prevented from deforming in the thermal deformation process to generate a photosensitive sheet due to the arrangement of the limiting space, so that the photosensitive sheet is influenced to enable the photosensitive sheet not to be clearly imaged. The light-sensing sheet in the camera is a semiconductor chip, and the surface of the light-sensing sheet contains hundreds of thousands to millions of photodiodes. When the photodiode is irradiated by light, the image on the photosensitive surface is converted into an electric signal in proportion to the light image. When the deformation of the photosensitive film is large, large displacement is generated between adjacent photodiodes, and images at corresponding positions cannot be accurately recorded, so that clear imaging cannot be realized.
This embodiment adopts the radiating mode that does not have the stiffening plate, and heat conduction silica gel is direct and the photographic plate laminating of fin and camera. The heat conducting silica gel absorbs heat in the heat conducting process to generate larger deformation, and because the radiating fins are generally made of metal materials with higher strength, the deformation of the heat conducting silica gel has little influence on the radiating fins; the strength of the photosensitive piece of the camera is small, and the deformation of the heat-conducting silica gel has large influence on the photosensitive piece. Once the photosensitive film has a large deformation, clear imaging cannot be realized, and the performance of the camera is affected.
The limiting space in the embodiment can reduce the influence of the heat absorption deformation of the heat-conducting silica gel on the photosensitive film, and the photosensitive film can be ensured to be imaged clearly.
In some optional implementations, the height of the limiting space is determined according to the thickness of the heat-conducting silica gel disposed in the limiting space, the amount of heat-absorbing deformation of the heat-conducting silica gel, and the amount of heat-absorbing deformation of the photosensitive sheet.
The height of the limiting space is the distance between the top of the limiting portion 105 and the photosensitive sheet, the thickness of the heat-conducting silica gel is the distance between the top surface and the bottom surface of the heat-conducting silica gel in the height direction of the limiting space, and the heat absorption deformation amount of the heat-conducting silica gel and the heat absorption deformation amount of the photosensitive sheet are the heat absorption deformation amounts in the height direction of the limiting space. Specifically, the following formula can be used: the height of the limiting space is determined by the thickness of the heat-conducting silica gel, the heat absorption deformation amount of the heat-conducting silica gel and the heat absorption deformation amount of the photosensitive sheet.
For example, the thickness of the heat-conducting silica gel is 0.8mm, and the highest temperature of the camera in the use process is 57 ℃; at a temperature of 57 ℃, the deformation amount of the heat-conducting silica gel in the thickness direction and the deformation amount of the photosensitive sheet in the thickness direction caused by heat absorption of the photosensitive sheet per se are 0.05 mm. In this embodiment, the heat-conducting silica gel is attached to the photosensitive sheet, and the deformation of the heat-conducting silica gel acts on the photosensitive sheet, so that the actual deformation of the photosensitive sheet is 0.05mm at a temperature of 57 ℃. Therefore, in the above case, the height of the space for restricting may be set to 0.85mm from 0.8mm + 0.05.
In some optional implementations of the embodiment, the height of the limiting space is determined according to the thickness of the heat-conducting silica gel disposed in the limiting space, the amount of heat-absorbing deformation of the heat-conducting silica gel, the amount of heat-absorbing deformation of the photosensitive sheet, and the maximum amount of deformation of the photosensitive sheet in the thickness direction, where the maximum amount of deformation represents the maximum amount of deformation that the photosensitive sheet can bear on the basis of being capable of clearly imaging.
It should be noted that the maximum deformation amount that the photosensitive film can bear on the basis of ensuring clear image formation varies with different manufacturing materials. When the height of the limiting space is set, the specific manufacturing material of the photosensitive sheet needs to be considered. For example, if the photosensitive sheet made of the photosensitive material a and having a thickness of 0.8mm is manufactured at a temperature of 57 ℃, the maximum deformation amount that can be borne in the thickness direction is 0.05mm, the deformation amount of the heat-conductive silica gel in the thickness direction and the deformation amount of the photosensitive sheet in the thickness direction caused by heat absorption of the photosensitive sheet itself are 0.05mm, and the height of the limiting space may be set to 0.8mm +0.05mm-0.05mm, which is 0.8 mm. If the photosensitive sheet made of the photosensitive material B and having a thickness of 0.8mm is deformed by 0.07mm in the thickness direction at a temperature of 57 ℃, the height of the space for limiting the deformation may be set to 0.8mm +0.05mm-0.07mm, which is 0.78 mm.
In this embodiment, the side wall 104 of the mounting member 100 is provided with a positioning hole 106 for fixing the mounting member 100 to the outer casing.
In some alternative implementations, the side walls of the mounting member 100 on which the limiting portions are provided with positioning holes 106 for fixing the mounting member 100 to the outer packaging shell.
In some alternative implementations, the locating holes 106 are tapered locating holes 106; the taper of the taper positioning hole 106 is 15-25 degrees, and the depth is 1.5-2.5 mm. For example, the taper of the taper positioning hole 106 may be set to 19 ° and the depth set to 2.0 mm. The mode of adopting awl location can be fixed in the extranal packing shell of camera with installed part 100 accurately to satisfy the different installation requirements of camera, improve the practicality of camera.
For example, when the camera head is mounted on a profile housing, the mounting member 100 is not fixed conveniently because the mounting member is not attached to the profile surface of the housing, and may move during the mounting process, resulting in inaccurate mounting. Especially, when the installation angle of the camera is strict, once the camera moves in the installation process, the tolerance of the installation angle is larger than a preset threshold value, so that the camera cannot clearly image. For example, when the tolerance of the installation angle of the camera is greater than the preset threshold, the distortion of the camera may be large, so that the picture taken by the camera is distorted. The mounting member 100 can be accurately fixed by the tapered positioning hole 106 in the present embodiment to accurately mount the camera.
4-6 illustrate a block diagram of one embodiment of the camera assembly of the present application, wherein FIG. 4 is an exploded view of the structure of one embodiment of the camera assembly of the present application; FIG. 5 is a block diagram of the camera assembly of FIG. 4 after it is packaged in an outer packaging shell; fig. 6 is an enlarged view of a portion of the structure of fig. 5. The camera assembly comprises a mounting member 100 and a camera 200. The camera 200 is disposed in the seating cavity of the mounting member 100.
In some optional implementations, the camera assembly further comprises: heat conductive silicone 300 and heat sink 400; the heat-conducting silica gel is arranged in the limiting space and is attached to the photosensitive sheet; the heat sink 400 is disposed on the limiting portion.
Be equipped with the locating hole on the installed part in the camera subassembly, protruding cooperation setting of location on the outer packaging shell 500 with the camera subassembly. The mounting member 100 can be accurately fixed to the exterior package 500 by the engagement of the positioning holes and the positioning protrusions.
The mounting part in the camera component is provided with a limiting space for placing the heat-conducting silica gel through the limiting part, so that the influence of the heat-conducting silica gel on the photosensitive film due to heat absorption deformation is kept in a range which can be borne by the photosensitive film, and the camera can be ensured to be capable of imaging clearly; moreover, the camera can be accurately fixed by adopting the cone positioning mode, the camera is convenient to install, the tolerance of the installation angle of the camera is ensured to be smaller than the preset threshold value, and the picture distortion caused by the large distortion of the camera can be prevented.
According to one or more embodiments of the present disclosure, the present disclosure provides a mounting member for fixing a camera, one end of the mounting member is provided with a lens through hole matching with the camera, the other end of the mounting member is provided with a mounting hole, and a mounting cavity for mounting the camera is provided in the mounting member between the lens through hole and the mounting hole; the lateral wall of the other end of the mounting piece is provided with a limiting part, and the limiting part is used for forming a limiting space between the top of the lateral wall far away from the limiting part and the photosensitive film of the camera.
According to one or more embodiments of this disclosure, this disclosure provides an in the installed part for fixed camera, the height of spacing space is according to the thickness of the heat conduction silica gel of settling in spacing space, the heat absorption deformation volume of heat conduction silica gel and the heat absorption deformation volume of sensitization piece are confirmed, the height of spacing space is the distance between spacing portion top and the sensitization piece, the thickness of heat conduction silica gel is heat conduction silica gel in spacing space direction of height, the distance between top surface and the bottom surface, the heat absorption deformation volume of heat conduction silica gel and the heat absorption deformation volume of sensitization piece are the heat absorption deformation volume in spacing space direction of height.
According to one or more embodiments of the present disclosure, in the mounting member for fixing the camera provided by the present disclosure, the side wall of the mounting member is provided with a positioning hole for fixing the mounting member to the outer packaging shell.
According to one or more embodiments of the present disclosure, in the mounting member for fixing the camera provided by the present disclosure, the positioning hole is a taper positioning hole; the taper of the taper positioning hole is 15-25 degrees, and the depth is 1.5-2.5 mm.
In accordance with one or more embodiments of the present disclosure, there is provided a camera assembly comprising a camera, the mount disclosed above; the camera sets up in the arrangement intracavity of installed part.
According to one or more embodiments of the present disclosure, the present disclosure provides a camera head assembly, further including: heat-conducting silica gel and radiating fins; the heat-conducting silica gel is arranged in the limiting space and is attached to the photosensitive sheet; the radiating fin is arranged on the limiting part.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present name should not be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A mounting member for fixing a camera is characterized in that,
one end of the mounting piece is provided with a lens through hole matched with the camera, the other end of the mounting piece is provided with a mounting hole, and an installation cavity for installing the camera is arranged in the mounting piece between the lens through hole and the mounting hole;
the installed part other end is equipped with spacing portion, spacing portion is used for spacing portion is kept away from the spacing portion top of the installed part other end with form spacing space between the photosensitive film of camera.
2. The mount of claim 1,
the limiting part is arranged on the side wall at the other end of the mounting part.
3. The mount of claim 1,
the height of the limiting space is determined according to the thickness of the heat-conducting silica gel arranged in the limiting space, the heat absorption deformation amount of the heat-conducting silica gel and the heat absorption deformation amount of the photosensitive sheet, the height of the limiting space is the distance between the top of the limiting portion and the photosensitive sheet, the thickness of the heat-conducting silica gel is the distance between the top surface and the bottom surface of the heat-conducting silica gel in the height direction of the limiting space, and the heat absorption deformation amount of the heat-conducting silica gel and the heat absorption deformation amount of the photosensitive sheet are the heat absorption deformation amounts in the height direction of the limiting space.
4. The mounting member as claimed in claim 3, wherein the height of the spacing space is equal to the thickness of the heat-conductive silicone gel + the amount of heat-absorbing deformation of the photosensitive sheet.
5. The mount of claim 3,
the height of the limiting space is determined according to the thickness of the heat-conducting silica gel arranged in the limiting space, the heat absorption deformation amount of the heat-conducting silica gel, the heat absorption deformation amount of the photosensitive sheet and the maximum deformation amount of the photosensitive sheet in the thickness direction, wherein the maximum deformation amount represents the maximum deformation amount which can be borne by the photosensitive sheet on the basis of clear imaging.
6. The mount of claim 1,
and the side wall of the mounting piece is provided with a positioning hole for fixing the mounting piece on the outer packaging shell.
7. The mount of claim 1,
the side wall of the limiting part on the mounting piece is provided with a positioning hole for fixing the mounting piece on the outer packaging shell.
8. A mount as claimed in claim 6 or 7,
the positioning hole is a conical positioning hole;
the taper of the taper positioning hole is 15-25 degrees, and the depth is 1.5-2.5 mm.
9. A camera head assembly, characterized in that,
the camera assembly comprising a camera and a mount according to any one of claims 1 to 8;
the camera is arranged in the mounting cavity of the mounting piece.
10. A camera head assembly according to claim 9,
further comprising: heat-conducting silica gel and radiating fins;
the heat-conducting silica gel is arranged in the limiting space and is attached to the photosensitive sheet;
the radiating fin is arranged on the limiting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123513.7A CN112311978B (en) | 2020-02-27 | 2020-02-27 | A installed part and camera subassembly for fixing camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123513.7A CN112311978B (en) | 2020-02-27 | 2020-02-27 | A installed part and camera subassembly for fixing camera |
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| Publication Number | Publication Date |
|---|---|
| CN112311978A true CN112311978A (en) | 2021-02-02 |
| CN112311978B CN112311978B (en) | 2022-03-25 |
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| CN202010123513.7A Active CN112311978B (en) | 2020-02-27 | 2020-02-27 | A installed part and camera subassembly for fixing camera |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112311978B (en) | 2022-03-25 |
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