CN112468702A - Vehicle-mounted camera shell structure with good shielding performance - Google Patents
Vehicle-mounted camera shell structure with good shielding performance Download PDFInfo
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- CN112468702A CN112468702A CN202011328606.XA CN202011328606A CN112468702A CN 112468702 A CN112468702 A CN 112468702A CN 202011328606 A CN202011328606 A CN 202011328606A CN 112468702 A CN112468702 A CN 112468702A
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- shell
- vehicle
- mounted camera
- shielding plate
- shielding performance
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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 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 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
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 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
- 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
- 238000004880 explosion Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000013012 foaming technology Methods 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
- 238000012827 research and development Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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 shell structure with good shielding performance, which comprises a shell body, a plate 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 connecting terminal, an insulating column and a metal shell which are sleeved along the radial direction from inside to outside in sequence. The metal shell is inserted and fixed on the shell body and passes through the shielding plate for a set distance. The board end connector is arranged in the cavity of the shell body and is oppositely plugged with the external connector. The shield plate is electrically connected to the metal case. Through adopting above-mentioned technical scheme to set up to make on-vehicle camera have shielding property, and then reduced the influence that external electromagnetic interference caused the signal transmission process effectively, ensure signal transmission's reliability and stability, and make its self have good 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 shell structure with good shielding performance.
Background
The automobile camera is an image acquisition device which is installed on an automobile and used for monitoring the surrounding environment, has the functions of conveniently backing a car, observing the environment in the automobile in real time, recording the driving and the like, and is higher and higher at present. Depending on design requirements, the vehicle cameras are mounted at different locations on the vehicle, for example, some may be mounted on front and rear bumpers, and some may be mounted on left and right rear view mirrors.
The vehicle-mounted camera must be connected with the wire harness connector to transmit video data. In the prior art, the vehicle-mounted camera lacks an effective shielding structure, and video circuit signals are transmitted at a sub-nanosecond pixel rate, so that the actual application effect is poor. The concrete expression is 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-side connector and the external connector is affected to some extent, so that it cannot be well applied to the field of high-rate conduction of pixels such as high-quality video circuits. Thus, a skilled person is urgently needed to solve the above problems.
Disclosure of Invention
Therefore, in view of the above-mentioned problems and drawbacks, the designer of the present invention collects relevant information, and through many evaluations and considerations, and through continuous experiments and modifications of the technicians engaged in the industry for years of research and development experience, the vehicle-mounted camera housing structure with good shielding performance finally appears.
In order to solve the technical problem, the invention relates to a vehicle-mounted camera shell structure with good shielding performance, which comprises a shell body, a plate 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 connecting terminal, an insulating column and a metal shell which are sleeved along the radial direction from inside to outside in sequence. The metal shell is inserted and fixed on the shell body and passes through the shielding plate for a set distance. The board end connector is arranged in the cavity of the shell body and is oppositely plugged with the external connector. The shield plate is electrically connected to the metal case.
As a further improvement of the technical scheme of the invention, the vehicle-mounted camera outer shell structure with good shielding performance further comprises a conductor. The electric conductor is sleeved on the periphery of the metal shell and is always in top 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 mounting section, the connecting 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 mounting 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 enclosed together to form a cavity. The electric conductor is filled in the cavity.
As a further improvement of the technical solution of the present invention, the conductive body is preferably a conductive sponge.
As a further improvement of the technical scheme of the invention, the shell body is preferably of a split structure and comprises an upper shell and a lower shell which are connected into a whole. 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 also comprises a connecting bolt. The upper shell and the lower shell are fixed by means of connecting bolts, and the shielding plate is provided with connecting through holes for the connecting bolts to pass through.
As a further improvement of the technical scheme of the invention, the vehicle-mounted camera outer shell structure with good shielding performance further comprises a waterproof sealing ring. The waterproof seal 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, an accommodating groove is extended upwards from the top wall of the upper shell and is used for placing the waterproof sealing ring.
Compared with the vehicle-mounted camera outer shell structure with good shielding performance of the traditional design structure, in the technical scheme disclosed by the invention, 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 a 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 present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an exploded schematic view of a vehicle-mounted camera outer housing structure with good shielding performance in the invention.
Fig. 2 is a schematic perspective assembly view of the vehicle-mounted camera outer housing structure with good shielding performance in the invention.
Fig. 3 is a front view of fig. 2.
Fig. 4 is a sectional view a-a of fig. 3.
Fig. 5 is a sectional view B-B of fig. 3.
Fig. 6 is a schematic perspective view of the upper housing in the outer housing structure of the vehicle-mounted camera with good shielding performance according to the present invention.
Fig. 7 is a schematic perspective view of an external connector in the outer shell structure of the vehicle-mounted camera with good shielding performance according to the present invention.
Fig. 8 is a schematic perspective view of a shielding plate in the vehicle-mounted camera outer housing structure with good shielding performance according to the present invention.
Fig. 9 is a schematic perspective view of a conductive sponge in the outer shell structure of the vehicle-mounted camera with good shielding performance.
Fig. 10 is a schematic perspective view of a waterproof sealing ring in the outer shell structure of the vehicle-mounted camera with good shielding performance according to the present invention.
1-a housing body; 11-an upper shell; 111-a receiving tank; 12-a lower housing; 13-a coupling bolt; 2-a plate end connector; 3-external connector; 31-a terminal; 32-an insulating column; 33-a metal housing; 331-inserting section; 332-connecting the transition section; 333-splicing section; 4-a shielding plate; 5-conductive sponge; 6-elastic rubber pad; 7-waterproof sealing ring.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The contents of the present invention will be further described in detail with reference to specific embodiments, and fig. 1 and fig. 2 respectively show an explosion schematic view and a three-dimensional assembly schematic view of a vehicle-mounted camera housing structure with good shielding performance in the present invention, it can be known that the vehicle-mounted camera housing structure mainly comprises a housing body 1, a board end connector 2, and an external connector 3, and the like, wherein, as shown in fig. 3 and fig. 4, the external connector 3 comprises a connection terminal 31, an insulation column 32, and a metal housing 33, and is sequentially disposed along a radial direction thereof. The metal case 33 is inserted and fixed to the case body 1. And the board end connector 2 is arranged in the cavity of the shell body 1 and is plugged with the external connector 3 so as to realize the transmission of video signals. Here, it is to be emphasized that the vehicle-mounted camera outer housing structure is additionally provided with a shielding plate 4 (as shown in fig. 8). The shield plate 4 is disposed in the cavity of the housing body 1. The metal shell 33 passes through the shielding plate 4 and is electrically connected with the shielding plate 4 to conduct current (as shown in fig. 3 and 4). Therefore, the vehicle-mounted camera has good shielding performance, the influence of external electromagnetic interference on a 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.
When carrying out actual design to the on-vehicle camera shell body structure that shielding performance is good, can adopt multiple mode in order to realize the electric conduction of metal casing 33 and shield plate 4, for example, comparatively common is: the shield plate 4 and the metal shell 33 may be electrically connected by a wire. However, in the practical application environment, the vehicle-mounted camera inevitably receives the impact force and the vibration force, so that the welded joint of the lead is easily broken due to pulling, and the actual shielding stability and effect of the outer shell structure of the vehicle-mounted camera are affected. In view of this, as a preferable solution, the conductive sponge 5 is packed between the shielding plate 4 and the metal case 33 (as shown in fig. 1, 2, 3, 4, 9). It is known that the conductive sponge 5 is produced by a polymer composite foaming technology, and has the advantages of uniform foaming pore diameter, softness, high elasticity, no desquamation and corrosion resistance. By adopting the technical scheme, on one hand, the shielding plate 4 is electrically connected with the metal shell 33 in a simpler mode, so that the assembly is convenient, and the subsequent replacement and maintenance are convenient; on the other hand, the shield plate 4 and the metal case 33 are electrically connected to each other with good vibration resistance, and stability of signal conduction is ensured.
In order to reduce the assembling difficulty of the vehicle-mounted camera outer shell structure and the mounting difficulty of the conductive sponge 5 and ensure the conductive stability of the shielding plate 4 and the metal shell 33, the structure of the metal shell 33 is further refined and sequentially formed by sequentially connecting the insertion section 331, the connection transition section 332 and the insertion section 333 along the top-down direction. The connecting transition section 332 penetrates the shielding plate 4, and the insertion section 331 and the insertion section 333 are respectively disposed on the upper and lower sides of the shielding plate 4. 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).
It should be noted that, in addition to the conductive sponge 5, the conductive body for conducting the shielding plate 4 and the metal shell 33 may also be conductive rubber, carbon graphite tubes, silver nanowire aerogel, or the like according to practical situations.
Further, in view of reducing the molding cost and the difficulty in the subsequent assembly of the shield plate 4, the housing body 1 is preferably a split structure including an upper housing 11 and a lower housing 12 integrally connected. The shield plate 4 is sandwiched between the upper housing 11 and the lower housing 12, so that a secure fixation of its position is achieved (as shown in fig. 1, 2, 3, 4).
As the technical scheme, the vehicle-mounted camera outer shell structure with good shielding performance is further optimized, and an elastic rubber pad 6 is additionally arranged. An elastic rubber pad 6 is elastically sandwiched between the shield plate 4 and the lower case 12 (as shown in fig. 1, 2, 3, 4). Due to the elastic rubber pad 6, on one hand, the shielding plate 4 is always kept in an elastic compression state, and damage to a lower assembly matching surface of the shielding plate due to overlarge pretightening force is avoided; on the other hand, make shell body 1 have better waterproof performance on the whole, prevent that it from entering into the inside of on-vehicle camera by the fit-up gap.
In the case where the waterproof performance is required to be higher, the elastic rubber gasket 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 corrodes the conductive foam 5 or other types of conductors, so that the electrical conduction stability of the shielding plate 4 and the metal shell 33 is affected to a certain extent, and in view of this, as a further optimization of the vehicle-mounted camera outer shell structure with good shielding performance, a waterproof sealing ring 7 (as shown in fig. 10) may be further added. The waterproof gasket 7 is disposed around the periphery of the metal shell 33 and is pressed between the upper shell 11 and the shield plate 4 (as shown in fig. 1, 2, 3, 4).
In order to ensure the positioning reliability of the waterproof gasket 7 and prevent the waterproof gasket 7 from being misaligned or twisted during the assembly process, a receiving groove 111 may be extended upward from the top wall of the upper housing 11 to receive the waterproof gasket 7 (as shown in fig. 6).
Finally, it should be noted that it is known to adopt various ways to realize the connection and fixation between the upper shell 11 and the lower shell 12, for example: snap-in or screw-on, but here an easy-to-implement, quick-to-assemble embodiment is recommended, as follows: the upper case 11 and the lower case 12 are fixed by means of coupling bolts 13. Correspondingly, the upper case 11 is provided with a connecting through hole for the connecting bolt 13 to pass through, the lower case 12 is provided with a threaded hole for the connecting bolt 13 to be screwed, and the shielding plate 4 is provided with a through hole for the connecting bolt 13 to pass through (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 (8)
1. A vehicle-mounted camera shell structure with good shielding performance is characterized by comprising a shell body, a plate 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 sequentially sleeved from inside to outside along the radial direction of the external connector; the metal shell is inserted and fixed on the shell body and passes through the shielding plate for a set distance; the board end connector is arranged in the cavity of the shell body and is oppositely plugged with the external connector; the shield plate is electrically connected to the metal case.
2. The vehicle-mounted camera outer shell structure with good shielding performance according to claim 1, characterized by further comprising a conductor; the electric conductor is sleeved on the periphery of the metal shell and is always in top contact with the shielding plate.
3. The vehicle-mounted camera outer shell structure with good shielding performance according to claim 2, wherein the metal shell is formed by sequentially connecting an insertion section, a connection transition section and an insertion section along a direction from top to bottom; the connecting transition section penetrates through the shielding plate, and the plug-in mounting 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 enclosed together to form a cavity; the electric conductor is filled in the cavity.
4. The vehicle-mounted camera outer shell structure with good shielding performance according to claim 3, wherein the conductor is a conductive sponge.
5. The vehicle-mounted camera outer shell structure with good shielding performance according to any one of claims 1 to 4, wherein the outer shell body is of a split structure and comprises an upper shell and a lower shell which are connected into a whole; the shield plate is sandwiched between the upper case and the lower case.
6. The vehicle-mounted camera outer shell structure with good shielding performance according to claim 5, wherein the outer shell body further comprises a coupling bolt; the upper shell and the lower shell are fixed by means of the connecting bolt, and a connecting through hole for the connecting bolt to pass through is formed in the shielding plate.
7. The vehicle-mounted camera outer shell structure with good shielding performance according to claim 5, further comprising 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.
8. The vehicle-mounted camera outer shell structure with good shielding performance according to claim 7, wherein a receiving groove extends upwards from the top wall of the upper shell and is used for accommodating 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 true CN112468702A (en) | 2021-03-09 |
| CN112468702B 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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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6900843B1 (en) * | 1999-08-16 | 2005-05-31 | Nikon Corporation | Electronic camera having conductive elastic body provided for shield plate |
| CN105301871A (en) * | 2014-07-02 | 2016-02-03 | 佳能株式会社 | Image pickup apparatus |
| 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 |
| US20180006407A1 (en) * | 2016-07-01 | 2018-01-04 | Hosiden Corporation | Connector module and vehicle-mounted camera using such module |
| 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 |
| 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 |
| 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 |
| 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 |
-
2020
- 2020-11-24 CN CN202011328606.XA patent/CN112468702B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6900843B1 (en) * | 1999-08-16 | 2005-05-31 | Nikon Corporation | Electronic camera having conductive elastic body provided for shield plate |
| CN105301871A (en) * | 2014-07-02 | 2016-02-03 | 佳能株式会社 | Image pickup apparatus |
| US20180006407A1 (en) * | 2016-07-01 | 2018-01-04 | Hosiden Corporation | Connector module and vehicle-mounted camera using such module |
| 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 |
| 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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| CN112468702B (en) | 2024-10-15 |
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