CN114189610A - Vehicle-mounted rear-mounted camera module and vehicle - Google Patents
Vehicle-mounted rear-mounted camera module and vehicle Download PDFInfo
- Publication number
- CN114189610A CN114189610A CN202111393798.7A CN202111393798A CN114189610A CN 114189610 A CN114189610 A CN 114189610A CN 202111393798 A CN202111393798 A CN 202111393798A CN 114189610 A CN114189610 A CN 114189610A
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- vehicle
- camera module
- circuit board
- main circuit
- accommodating cavity
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- 239000003292 glue Substances 0.000 claims abstract description 34
- 238000004806 packaging method and process Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 3
- 208000032826 Ring chromosome 3 syndrome Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Classifications
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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
-
- 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
-
- 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
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- 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
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a vehicle-mounted rear-mounted camera module and a vehicle, wherein the vehicle-mounted rear-mounted camera module comprises: the front shell comprises an accommodating cavity, a light hole positioned at the front end of the accommodating cavity and a mounting opening positioned at the rear end of the accommodating cavity; the lens is arranged in the light hole; the lens is arranged at the front end of the accommodating cavity and faces the light hole; the image sensor is arranged in the accommodating cavity; the main circuit board is arranged in the accommodating cavity and is electrically connected with the lens and the image sensor; and the packaging plate is used for packaging the mounting opening and is fixedly sealed with the front shell through glue. According to the invention, on the premise of ensuring the sealing property to realize the purposes of water resistance and dust prevention, the cost requirement of the vehicle-mounted rear-mounted camera module is reduced to a great extent.
Description
Technical Field
The invention relates to the technical field of camera shooting, in particular to a vehicle-mounted rear-mounted camera module and a vehicle.
Background
With the development of the times, the society has higher and higher requirements on the safety and the rapidity of the automobile, but the automobile is more and more popular due to the lower price requirement, and the current cost reduction scheme of the automobile is a very concerned problem.
Wherein, the camera module receives more and more attention in on-vehicle trade, and the quantity of camera module also is increasing. At present, many vehicle-mounted rear-mounted cameras are based on waterproof and dustproof considerations, as shown in fig. 1, a front shell 1 ' and a rear shell 2 ' are mainly adopted for sealing structures, and the rear shell 2 ', a rubber ring 3 ', a screw 4 ' and other parts are used for ensuring the waterproof structure. However, the parts and the front loading requirements do not represent a significant price advantage.
Disclosure of Invention
The invention discloses a vehicle-mounted rear-mounted camera module and a vehicle, which are used for solving the problem that the cost of the vehicle-mounted rear-mounted camera module is high in the prior art.
In order to solve the problems, the invention adopts the following technical scheme:
provided is an on-vehicle afterloading camera module, including:
the front shell comprises an accommodating cavity, a light hole positioned at the front end of the accommodating cavity and a mounting opening positioned at the rear end of the accommodating cavity;
a lens disposed in the light transmission hole;
the lens is arranged at the front end of the accommodating cavity and faces the light hole;
the image sensor is arranged in the accommodating cavity;
the main circuit board is arranged in the accommodating cavity and is electrically connected with the lens and the image sensor;
and the packaging plate is used for packaging the mounting opening and is fixedly sealed with the front shell through glue.
Optionally, the glue is coated on each part of the back of the packaging plate.
Optionally, the package plate is recessed in the rear end face of the front shell, and the glue is located in a groove formed by the package plate and the front shell.
Optionally, a gap between the side surface of the package board and the front case is less than or equal to 0.5 mm.
Optionally, the main circuit board is configured as the package board.
Optionally, the image sensor is fixed on one side of the main circuit board facing the accommodating groove.
Optionally, an annular boss for supporting the main circuit board is arranged at the rear end of the front shell, a positioning column for positioning the main circuit board is arranged on the annular boss, and a positioning hole matched with the positioning column is arranged on the main circuit board.
Optionally, a connector is further arranged on the main circuit board, and the FPC of the vehicle-mounted rear-mounted camera module is connected with the main circuit board through the connector.
Optionally, the glue is silica gel glue or organic silicon glue.
There is also provided a vehicle comprising the in-vehicle rear-mounted camera module of any one of the above.
The technical scheme adopted by the invention can achieve the following beneficial effects:
the structure of the glue sealing packaging plate is adopted to replace a rear shell, so that the parts such as the rear shell, a rubber ring, a screw and the like can be omitted, the number of used parts is small, and the cost requirement of the vehicle-mounted rear-mounted camera module is reduced to a great extent on the premise of ensuring the sealing performance to realize the purposes of water resistance and dust resistance; compact structure, rationally distributed, make the size of on-vehicle back dress camera module realize the breakthrough and reduce.
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 a schematic structural diagram of a camera module disclosed in the prior art;
fig. 2 is a schematic structural diagram of a vehicle-mounted rear-mounted camera module disclosed in the embodiment of the invention.
Wherein the following reference numerals are specifically included in figures 1-2:
-a front shell-1'; a rear shell-2'; rubber ring-3'; screw-4';
a front shell-1; an accommodating cavity-11; a package board-2; glue-3; a lens-4; an image sensor-5; a connector-6.
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 invention, and not restrictive of the full scope of the invention. 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. 2, the vehicle-mounted rear-mounted camera module of the present invention includes a front case 1, lenses, a lens 4, an image sensor 5, a main circuit board, and a package board 2. The inside of preceding shell 1 is holding chamber 11, and preceding shell 1 is equipped with the light trap at the front end of holding chamber 11, is equipped with the installing port at the rear end of holding chamber 11. The lens is installed in the light hole. The lens 4, the image sensor 5 and the main circuit board are all installed in the accommodating cavity 11 through the installation opening, wherein the lens 4 is located at the front end of the accommodating cavity 11 and faces the light transmission hole, and the main circuit board is electrically connected with the lens 4 and the image sensor 5. The packaging plate 2 is used for packaging the mounting opening of the front shell 1 and is fixedly sealed with the front shell 1 through glue 3.
In the vehicle-mounted rear-mounted camera module, the structure that the glue 3 is used for sealing the packaging plate 2 is adopted to replace a rear shell, so that parts such as the rear shell, a rubber ring and screws can be omitted, the number of used parts is small, and the cost requirement of the vehicle-mounted rear-mounted camera module is reduced to a great extent on the premise of ensuring the sealing performance to achieve the purposes of water resistance and dust resistance.
To achieve the above object, the components of the on-vehicle rear-mount camera module may be arranged in various ways, and the configurations of the components will be described in detail below by taking specific embodiments as examples.
The front shell 1 comprises a first portion of smaller cross-sectional area and a second portion of larger cross-sectional area. The first portion constitutes the light transmission hole, and the cross-sectional shape may be a circular frame shape. The second part forms an accommodating cavity 11, the cross section of the accommodating cavity is rectangular frame-shaped, and the rear end of the second part is completely opened to form a mounting opening. The front shell 1 is provided with a ring-shaped boss on the shell wall which is positioned at the rear end of the accommodating cavity 11 and forms a mounting opening. The annular boss may extend continuously or intermittently along the circumference of the front housing 1. The surface of the annular boss, which faces away from the accommodating cavity 11, is provided with a positioning column, and the positioning column can extend from the wall of the front shell 1 to the direction of the annular boss. And along 1 circumference of preceding shell, can set up a plurality of reference columns at the interval on annular boss, the specific quantity of reference column specifically sets for as required.
The packaging board 2 may be a main circuit board, the main circuit board may be a PCB, the substrate material of the PCB is preferably a semiconductor chip, the main circuit board is electrically connected to a power supply of the vehicle-mounted rear-mounted camera module, and the driving power supply operates, that is, the main circuit board is a general power supply IC. The main circuit board is placed on the annular boss at the rear end of the front shell 1, the main circuit board is supported by the annular boss, the front face of the main circuit board, provided with the electronic device, faces the accommodating cavity 11, and the back face of the main circuit board, not provided with the electronic device, faces back to the accommodating cavity 11. Then, glue 3 is coated on each part of the back surface of the main circuit board, the main circuit board and the front shell 1 are sealed by the glue 3, and the main circuit board is fixed on the front shell 1. At this time, the positioning groove is formed in the main circuit board, the image sensor 5 is fixed to one side, facing the accommodating cavity 11, of the main circuit board, and the main circuit board is positioned through the positioning column and the positioning groove, so that the image sensor 5 and the lens 4 are aligned. So set up, compact structure, rationally distributed, make the size of on-vehicle back dress camera module realize the breakthrough and reduce. Of course, the glue 3 may be applied only to the outer periphery of the main circuit board.
The glue 3 may be a naturally cured organic glue 3 with poor fluidity, such as a silicone glue 3 or an organic glue 3. The back surface of the main circuit board can be recessed in the rear end face of the front shell 1, the side face of the main circuit board is abutted against the inner side of the side wall of the main circuit board, and in actual operation, under the influence of machining errors, a gap can be formed between the main circuit board and the side wall, but the gap is preferably smaller than or equal to 0.5 mm. Then, glue 3 is coated on all parts of the back of the main circuit board, and the main circuit board is packaged through the glue 3. After the glue 3 is cured, the glue 3 can be flush with the rear end face of the front shell 1, and the bonding firmness of the glue 3 is guaranteed. The naturally cured organic glue 3 with poor flowability is selected, so that the deformation of the main circuit board caused by external force can be effectively avoided, and the influence on the optical imaging effect of the image sensor 5 and the lens 4 is avoided. The specific thickness of the glue 3 after curing can be specifically set according to requirements, for example, the preferable thickness is 1-2mm, the glue 3 with the thickness can effectively protect the main circuit board, the main circuit board is prevented from being deformed due to external force as far as possible, the glue 3 is thin, the amount of the glue 3 is small, and the cost of the vehicle-mounted rear-mounted camera module is effectively reduced.
Of course, the package plate 2 may be a metal plate, and the main circuit board may be fixed on a side of the metal plate facing the accommodating groove. Alternatively, a fixing seat is provided in the accommodation chamber 11, and the image sensor 5 is fixed on the fixing seat.
In addition, a connector 6 may be further provided on the side of the main circuit board facing the accommodating chamber 11. The structure of the connector 6 is the same as usual, and the connector 6 can realize the connection of the main circuit board with FPC or the like, which can be connected with the lens 4 or the like.
The vehicle-mounted rear camera module may further include a power supply and other components fixed in the accommodating cavity 11, and the power supply and other components may be fixed in various manners, for example, a fixing seat is provided in the accommodating cavity 11, and the power supply and other components are fixed on the fixing seat.
In the vehicle-mounted rear-mounted camera module, the complexity of the vehicle-mounted rear-mounted camera module is reduced, the total cost is reduced, and the aims of sealing, dust prevention and water prevention can be achieved; compact structure, rationally distributed, make the size of on-vehicle back dress camera module realize the breakthrough and reduce.
The vehicle can be an automobile, an electric vehicle and the like, and comprises the vehicle-mounted rear-mounted camera module. In the vehicle, the structure that the glue 3 is used for sealing the packaging plate 2 is adopted to replace a rear shell, so that the parts such as the rear shell, a rubber ring, screws and the like can be omitted, the number of used parts is small, and the cost requirement of the vehicle-mounted rear-mounted camera module is reduced to a great extent on the premise of ensuring the sealing performance to realize the purposes of water resistance and dust resistance; compact structure, rationally distributed, make the size of on-vehicle back dress camera module realize the breakthrough and reduce.
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 invention as defined in the appended claims.
Claims (10)
1. The utility model provides a camera module after on-vehicle, its characterized in that includes:
the front shell comprises an accommodating cavity, a light hole positioned at the front end of the accommodating cavity and a mounting opening positioned at the rear end of the accommodating cavity;
a lens disposed in the light transmission hole;
the lens is arranged at the front end of the accommodating cavity and faces the light hole;
the image sensor is arranged in the accommodating cavity;
the main circuit board is arranged in the accommodating cavity and is electrically connected with the lens and the image sensor;
and the packaging plate is used for packaging the mounting opening and is fixedly sealed with the front shell through glue.
2. The vehicle rear-loading camera module according to claim 1, wherein the glue is applied to all parts of the back surface of the packaging plate.
3. The vehicle rear mount camera module of claim 2, wherein the package plate is recessed within a rear end face of the front housing, the glue being located in a groove formed by the package plate and the front housing.
4. The on-board rear-mount camera module of claim 3, wherein a gap between the side surface of the package plate and the front housing is less than or equal to 0.5 mm.
5. The afterloader camera module of claim 1, wherein said main circuit board is configured as said enclosure board.
6. The vehicle rear-loading camera module according to claim 5, characterized in that the image sensor is fixed to a side of the main circuit board facing the accommodating groove.
7. The vehicle-mounted rear-loading camera module as claimed in claim 6, wherein an annular boss for supporting the main circuit board is arranged at the rear end of the front shell, a positioning column for positioning the main circuit board is arranged on the annular boss, and a positioning hole matched with the positioning column is arranged on the main circuit board.
8. The vehicle afterload camera module according to claim 5, further provided with a connector on said main circuit board, wherein said FPC of said vehicle afterload camera module is connected to said main circuit board through said connector.
9. The vehicle rear-mounted camera module according to any one of claims 1 to 8, characterized in that the glue is a silica gel glue or a silicone glue.
10. A vehicle comprising an in-vehicle afterloading camera module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111393798.7A CN114189610A (en) | 2021-11-23 | 2021-11-23 | Vehicle-mounted rear-mounted camera module and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111393798.7A CN114189610A (en) | 2021-11-23 | 2021-11-23 | Vehicle-mounted rear-mounted camera module and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114189610A true CN114189610A (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111393798.7A Pending CN114189610A (en) | 2021-11-23 | 2021-11-23 | Vehicle-mounted rear-mounted camera module and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114189610A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243786A (en) * | 2014-09-30 | 2014-12-24 | 苏州智华汽车电子有限公司 | Vehicular camera and manufacturing method thereof |
| CN108495022A (en) * | 2018-06-29 | 2018-09-04 | 信利光电股份有限公司 | A kind of water-proof CCD camera |
| CN210351347U (en) * | 2019-10-21 | 2020-04-17 | 宁波为森智能传感技术有限公司 | Vehicle-mounted camera module structure |
| CN111107256A (en) * | 2020-01-17 | 2020-05-05 | 广州市晶华精密光学股份有限公司 | Camera module and electronic equipment |
| CN211744566U (en) * | 2020-03-19 | 2020-10-23 | 南昌欧菲光电技术有限公司 | Vehicle-mounted camera module |
| CN213023890U (en) * | 2020-04-08 | 2021-04-20 | 现代摩比斯株式会社 | Vehicle camera module |
| CN214228313U (en) * | 2020-12-25 | 2021-09-17 | 上海欧菲智能车联科技有限公司 | Vehicle-mounted camera |
-
2021
- 2021-11-23 CN CN202111393798.7A patent/CN114189610A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243786A (en) * | 2014-09-30 | 2014-12-24 | 苏州智华汽车电子有限公司 | Vehicular camera and manufacturing method thereof |
| CN108495022A (en) * | 2018-06-29 | 2018-09-04 | 信利光电股份有限公司 | A kind of water-proof CCD camera |
| CN210351347U (en) * | 2019-10-21 | 2020-04-17 | 宁波为森智能传感技术有限公司 | Vehicle-mounted camera module structure |
| CN111107256A (en) * | 2020-01-17 | 2020-05-05 | 广州市晶华精密光学股份有限公司 | Camera module and electronic equipment |
| CN211744566U (en) * | 2020-03-19 | 2020-10-23 | 南昌欧菲光电技术有限公司 | Vehicle-mounted camera module |
| CN213023890U (en) * | 2020-04-08 | 2021-04-20 | 现代摩比斯株式会社 | Vehicle camera module |
| CN214228313U (en) * | 2020-12-25 | 2021-09-17 | 上海欧菲智能车联科技有限公司 | Vehicle-mounted camera |
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Application publication date: 20220315 |
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