CN112468702B - Vehicle-mounted camera outer shell structure with shielding performance - Google Patents
Vehicle-mounted camera outer shell structure with shielding performance Download PDFInfo
- Publication number
- CN112468702B CN112468702B CN202011328606.XA CN202011328606A CN112468702B CN 112468702 B CN112468702 B CN 112468702B CN 202011328606 A CN202011328606 A CN 202011328606A CN 112468702 B CN112468702 B CN 112468702B
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- Prior art keywords
- shielding plate
- shell
- vehicle
- mounted camera
- shielding
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 30
- 230000007704 transition Effects 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000008054 signal transmission Effects 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000002042 Silver nanowire Substances 0.000 description 1
- 206010040844 Skin exfoliation Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000035618 desquamation Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/08—Waterproof bodies or housings
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Studio Devices (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention relates to a vehicle-mounted camera outer shell structure with shielding performance, which comprises an outer shell body, a board end connector, an external connector and a shielding plate. The shielding plate is transversely arranged in the cavity of the shell body. The external connector comprises a wiring terminal, an insulating column and a metal shell which are sleeved in sequence from inside to outside along the radial direction of the external connector. The metal shell is inserted and fixed on the shell body and penetrates through the shielding plate for a set distance. The board end connector is arranged in the cavity of the shell body and is inserted opposite to the external connector. The shielding plate is electrically connected with the metal shell. By adopting the technical scheme, the vehicle-mounted camera has shielding performance, so that the influence of external electromagnetic interference on the signal transmission process is effectively reduced, the reliability and stability of signal transmission are ensured, and the vehicle-mounted camera has excellent high-frequency performance.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted camera manufacturing, in particular to a vehicle-mounted camera outer shell structure with shielding performance.
Background
The automobile camera is an image acquisition device which is arranged on an automobile and used for monitoring surrounding environment, has the functions of conveniently reversing, observing the environment in the automobile in real time, recording the running, and the like, and has higher and higher utilization rate at present. Depending on design requirements, the vehicle cameras are mounted at different locations on the vehicle, for example, some vehicle cameras may be mounted on front and rear bumpers and some vehicle cameras may be mounted on left and right rear view mirrors.
The vehicle-mounted camera is connected with the wire harness connector to transmit video data. In the prior art, the vehicle-mounted camera has no effective shielding structure, and video circuit signals are transmitted at a sub-nanosecond pixel rate, so that the practical application effect of the vehicle-mounted camera is poor. The concrete steps are as follows: on one hand, the signal is easily influenced by an external magnetic field in the transmission process, and the anti-interference effect is poor; on the other hand, the high frequency performance of the board-end connector and the external connector is affected to a certain extent, so that the board-end connector and the external connector cannot be well applied to the field of high-speed conduction of pixels such as high-quality video circuits. Thus, a technician is required to solve the above problems.
Disclosure of Invention
Therefore, in view of the above-mentioned existing problems and drawbacks, the present invention designer gathers related data, and through evaluation and consideration of multiple parties, and continuous experiments and modification by the skilled technicians who are developing for many years from this industry, the appearance of the vehicle-mounted camera outer shell structure with shielding performance is finally resulted.
In order to solve the technical problems, the invention relates to a vehicle-mounted camera outer shell structure with shielding performance, which comprises an outer shell body, a board end connector, an external connector and a shielding plate. The shielding plate is transversely arranged in the cavity of the shell body. The external connector comprises a wiring terminal, an insulating column and a metal shell which are sleeved in sequence from inside to outside along the radial direction of the external connector. The metal shell is inserted and fixed on the shell body and penetrates through the shielding plate for a set distance. The board end connector is arranged in the cavity of the shell body and is inserted opposite to the external connector. The shielding plate is electrically connected with the metal shell.
As a further improvement of the technical scheme of the invention, the vehicle-mounted camera outer shell structure with the shielding performance also comprises a conductor. The conductor is sleeved on the periphery of the metal shell and is always in contact with the shielding plate.
As a further improvement of the technical scheme of the invention, the metal shell is formed by sequentially connecting the plug-in section, the connection transition section and the plug-in section along the direction from top to bottom. The connection transition section passes through the shielding plate, and the plug-in section are respectively arranged on the upper side and the lower side of the shielding plate. The shell body, the shielding plate, the connecting transition section and the inserting section are jointly enclosed to form a cavity. The electric conductor is filled in the cavity.
As a further improvement of the solution according to the invention, the electrical conductor is preferably an electrically conductive sponge.
As a further improvement of the technical solution of the present invention, the housing body is preferably a split structure including an upper case and a lower case connected as one body. The shield plate is sandwiched between the upper case and the lower case.
As a further improvement of the technical scheme of the invention, the shell body further comprises a connecting bolt. The upper and lower cases are fixed by means of coupling bolts, and coupling through holes through which the coupling bolts pass are formed in the shield plate.
As a further improvement of the technical scheme of the invention, the vehicle-mounted camera outer shell structure with the shielding performance also comprises a waterproof sealing ring. The waterproof sealing ring is arranged around the periphery of the metal shell and is pressed between the upper shell and the shielding plate.
As a further improvement of the technical scheme of the invention, a containing groove extends upwards from the top wall of the upper shell so as to be used for placing the waterproof sealing ring.
Compared with the vehicle-mounted camera outer shell structure with the traditional design structure and the shielding performance, the technical scheme disclosed by the invention is characterized in that the shielding plate is additionally arranged in the vehicle-mounted camera outer shell structure. And the shielding plate is electrically connected with the metal shell of the external connector, so that the vehicle-mounted camera has shielding performance, the influence of external electromagnetic interference on the signal transmission process is effectively reduced, the reliability and stability of signal transmission are ensured, and the vehicle-mounted camera has excellent high-frequency performance.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an exploded schematic view of an outer case structure of an in-vehicle camera having shielding performance in the present invention.
Fig. 2 is a schematic perspective assembly view of an outer housing structure of an in-vehicle camera with shielding performance in the present invention.
Fig. 3 is a front view of fig. 2.
Fig. 4 is a cross-sectional view A-A of fig. 3.
Fig. 5 is a B-B cross-sectional view of fig. 3.
Fig. 6 is a schematic perspective view of an upper housing in the structure of an outer housing of an in-vehicle camera with shielding performance.
Fig. 7 is a schematic perspective view of an external connector in the structure of the outer casing of the vehicle-mounted camera with shielding performance.
Fig. 8 is a schematic perspective view of a shield plate in the structure of an outer housing of an in-vehicle camera with shielding performance according to the present invention.
Fig. 9 is a schematic perspective view of a conductive sponge in the structure of the outer casing of the vehicle-mounted camera with shielding performance.
Fig. 10 is a schematic perspective view of a waterproof gasket in the structure of the outer housing of the vehicle-mounted camera with shielding performance.
1-A housing body; 11-an upper housing; 111-a receiving groove; 12-a lower housing; 13-a coupling bolt; 2-board end connector; 3-an external connector; 31-a wiring terminal; 32-insulating columns; 33-a metal housing; 331-a plug-in section; 332-connecting the transition section; 333-plug-in section; 4-shielding plates; 5-conductive sponge; 6-elastic rubber pads; 7-waterproof sealing rings.
Detailed Description
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the following, the disclosure of the present invention will be described in further detail with reference to the specific embodiments, and fig. 1 and 2 show an exploded schematic view and a three-dimensional assembly schematic view of an outer shell structure of an on-vehicle camera with shielding performance in the present invention, respectively, and it can be seen that the on-vehicle camera mainly comprises a shell body 1, a board end connector 2, an external connector 3, and other parts, wherein, as shown in fig. 3 and 4, the external connector 3 includes a connection terminal 31, an insulation post 32, and a metal shell 33, and are arranged in sequence along a radial direction thereof. The metal shell 33 is inserted and fixed to the case body 1. The board end connector 2 is arranged in the cavity of the shell body 1 and is inserted opposite to the external connector 3 so as to realize the transmission of video signals. Here, it should be emphasized that the vehicle-mounted camera outer housing structure is additionally provided with a shielding plate 4 (as shown in fig. 8). The shielding plate 4 is transversely arranged in the cavity of the shell body 1. The metal housing 33 passes through the shielding plate 4 and is electrically connected to the shielding plate 4 to conduct current (as shown in fig. 3 and 4). Therefore, the vehicle-mounted camera has good shielding performance, so that the influence of external electromagnetic interference on the signal transmission process is effectively reduced, the reliability and stability of signal transmission are ensured, and the vehicle-mounted camera has excellent high-frequency performance.
In practical design of the outer shell structure of the vehicle-mounted camera with shielding performance, various manners may be adopted to achieve electrical conduction between the metal shell 33 and the shielding plate 4, for example, more commonly: the shielding plate 4 and the metal housing 33 may be electrically connected by wire. However, in the practical application environment, the vehicle-mounted camera is inevitably subjected to the action of impact force and vibration force, so that the disconnection phenomenon of the welding joint of the lead is very easy to occur due to pulling, and the practical shielding stability and effect of the vehicle-mounted camera outer shell structure are further affected. In view of this, as a preferred option, a conductive sponge 5 (as shown in fig. 1, 2, 3, 4, 9) is interposed between the shielding plate 4 and the metal housing 33. The conductive sponge 5 is known to be produced by a polymer composite foaming technique, which has the advantages of uniform foaming pore size, softness, high elasticity and no desquamation, and simultaneously has corrosion resistance. By adopting the technical scheme, on one hand, the electric connection between the shielding plate 4 and the metal shell 33 is realized in a relatively simple mode, so that the assembly is convenient, and the subsequent replacement and maintenance are convenient; on the other hand, the electrical connection between the shielding plate 4 and the metal housing 33 has good anti-vibration performance, ensuring the stability of signal conduction.
In order to reduce the difficulty in assembling the outer housing structure of the vehicle-mounted camera and the difficulty in installing the conductive sponge 5, further ensuring the conductive stability of the shielding plate 4 and the metal housing 33, the metal housing 33 is further refined in structure, and is formed by sequentially connecting the plug-in section 331, the connection transition section 332 and the plug-in section 333 from top to bottom. The connection transition section 332 passes through the shielding plate 4, and the insertion section 331 and the insertion section 333 are disposed on the upper and lower sides of the shielding plate 4, respectively. The housing body 1, the shielding plate 4, the connecting transition section 332 and the inserting section 333 together enclose a cavity. The conductive sponge 5 is filled in the cavity (as shown in fig. 2, 3, 4, 7 and 9).
Here, the conductive body for conducting the shielding plate 4 and the metal housing 33 may be selected from the conductive sponge 5, conductive rubber, graphite carbon tube, silver nanowire aerogel, or the like according to the actual situation.
Moreover, in view of reducing the molding cost and the difficulty in subsequent assembly of the shielding plate 4, the housing body 1 is preferably a split structure including an upper case 11 and a lower case 12 integrally connected. The shielding plate 4 is sandwiched between the upper and lower cases 11, 12, thereby achieving a reliable fixation of its position (as shown in fig. 1, 2, 3, 4).
As the technical scheme, the vehicle-mounted camera outer shell structure with the shielding performance is further optimized, and the elastic rubber pad 6 is additionally arranged. The elastic rubber pad 6 is elastically sandwiched between the shielding plate 4 and the lower case 12 (as shown in fig. 1, 2,3, 4). The elastic rubber pad 6 is arranged, so that the shielding plate 4 is always kept in an elastic compression state, and damage to the lower assembly matching surface caused by excessive pre-tightening force is avoided; on the other hand, the housing body 1 is made to have a good waterproof performance as a whole, preventing it from entering the inside of the in-vehicle camera through the assembly gap.
In the case of having a higher requirement for waterproof performance, the elastic rubber pad 6 may be provided on both sides, that is, between the shield plate 4 and the upper case 11 and between the shield plate 4 and the lower case 12.
In the practical application process of the vehicle-mounted camera, part of water or moisture still enters through the gap between the shielding plate 4 and the upper shell 11 and erodes the conductive foam 5 or other types of conductors, so that certain influence is caused on the electrical conduction stability of the shielding plate 4 and the metal shell 33, and in view of this, as a further optimization of the structure of the outer shell of the vehicle-mounted camera with the shielding performance, a waterproof sealing ring 7 (as shown in fig. 10) can be additionally arranged. The waterproof gasket 7 is disposed around the periphery of the metal housing 33 and is pressed between the upper housing 11 and the shield plate 4 (as shown in fig. 1,2, 3, 4).
In order to ensure positioning reliability of the waterproof gasket 7 and prevent the occurrence of dislocation or torsion during the assembly process, a receiving groove 111 may be extended upward from the top wall of the upper housing 11 for inserting the waterproof gasket 7 (as shown in fig. 6).
Finally, it is noted that it is known to connect and fix the upper housing 11 and the lower housing 12 in various ways, such as: a snap-on or threaded-on-screwed type is however recommended here, an embodiment which is easy to implement and quick to assemble, in particular as follows: the upper case 11 and the lower case 12 are fixed by means of a coupling bolt 13. Correspondingly, a connection through hole for passing through the coupling bolt 13 is formed on the upper housing 11, a threaded hole for screwing the coupling bolt 13 is formed on the lower housing 12, and a passing through hole for passing through the coupling bolt 13 is formed on the shielding plate 4 (as shown in fig. 2,3, 5, 6 and 8).
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 invention is not intended to 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 (2)
1. The shell structure of the vehicle-mounted camera with the shielding performance is characterized by comprising a shell body, a board end connector, an external connector and a shielding plate; the shielding plate is transversely arranged in the cavity of the shell body; the external connector comprises a wiring terminal, an insulating column and a metal shell which are sleeved in sequence from inside to outside along the radial direction of the external connector; the metal shell is inserted and fixed on the shell body and penetrates through the shielding plate for a set distance; the board end connector is arranged in the cavity of the shell body and is inserted with the external connector; the shielding plate is electrically connected with the metal shell;
The vehicle-mounted camera outer shell structure with the shielding performance further comprises a conductor; the conductor is sleeved on the periphery of the metal shell and is always in contact with the shielding plate;
The metal shell is formed by sequentially connecting an inserting section, a connecting transition section and an inserting section along the up-down direction; the connecting transition section passes through the shielding plate, and the inserting section are respectively arranged on the upper side and the lower side of the shielding plate; the shell body, the shielding plate, the connecting transition section and the inserting section are jointly enclosed to form a cavity; the electric conductor is filled in the cavity;
the electric conductor is a conductive sponge;
The shell body is of a split type structure and comprises an upper shell and a lower shell which are connected into a whole; the shielding plate is sandwiched between the upper case and the lower case;
the shell body further comprises a connecting bolt; the upper shell and the lower shell are fixed by means of the connecting bolts, and the shielding plate is provided with connecting through holes for the connecting bolts to pass through;
the vehicle-mounted camera outer shell structure with the shielding performance further comprises a waterproof sealing ring; the waterproof sealing ring is arranged around the periphery of the metal shell and is pressed between the upper shell and the shielding plate.
2. The vehicle-mounted camera outer housing structure with shielding performance according to claim 1, wherein a receiving groove extends upwards from a top wall of the upper housing for inserting the waterproof sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011328606.XA CN112468702B (en) | 2020-11-24 | 2020-11-24 | Vehicle-mounted camera outer shell structure with shielding performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011328606.XA CN112468702B (en) | 2020-11-24 | 2020-11-24 | Vehicle-mounted camera outer shell structure with shielding performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112468702A CN112468702A (en) | 2021-03-09 |
| CN112468702B true CN112468702B (en) | 2024-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011328606.XA Active CN112468702B (en) | 2020-11-24 | 2020-11-24 | Vehicle-mounted camera outer shell structure with shielding performance |
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| Country | Link |
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| CN (1) | CN112468702B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210607717U (en) * | 2019-12-11 | 2020-05-22 | 四川华丰企业集团有限公司 | Pin assembly and high-speed backplane connector |
| CN213342418U (en) * | 2020-11-24 | 2021-06-01 | 苏州祥龙嘉业电子科技股份有限公司 | Vehicle-mounted camera shell structure with good shielding performance |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4433519B2 (en) * | 1999-08-16 | 2010-03-17 | 株式会社ニコン | Electronic camera |
| JP6327977B2 (en) * | 2014-07-02 | 2018-05-23 | キヤノン株式会社 | Imaging device |
| JP6704806B2 (en) * | 2016-07-01 | 2020-06-03 | ホシデン株式会社 | Connector module and vehicle-mounted camera using the same |
| CN107360710A (en) * | 2017-08-23 | 2017-11-17 | 华勤通讯技术有限公司 | A kind of shielding construction and terminal |
| CN208383636U (en) * | 2018-07-02 | 2019-01-15 | 沈阳天星试验仪器有限公司 | A kind of Brinell hardness automatic measurement camera with wireless transmission function |
| CN211062981U (en) * | 2019-12-09 | 2020-07-21 | 苏州祥龙嘉业电子科技股份有限公司 | High-speed data connector with shielding function |
-
2020
- 2020-11-24 CN CN202011328606.XA patent/CN112468702B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210607717U (en) * | 2019-12-11 | 2020-05-22 | 四川华丰企业集团有限公司 | Pin assembly and high-speed backplane connector |
| CN213342418U (en) * | 2020-11-24 | 2021-06-01 | 苏州祥龙嘉业电子科技股份有限公司 | Vehicle-mounted camera shell structure with good shielding performance |
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| CN112468702A (en) | 2021-03-09 |
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