CN210181369U - Vehicle-mounted camera module - Google Patents
Vehicle-mounted camera module Download PDFInfo
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- CN210181369U CN210181369U CN201921197824.7U CN201921197824U CN210181369U CN 210181369 U CN210181369 U CN 210181369U CN 201921197824 U CN201921197824 U CN 201921197824U CN 210181369 U CN210181369 U CN 210181369U
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- circuit board
- heat
- accommodating cavity
- shell
- camera module
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Abstract
The embodiment of the utility model discloses on-vehicle module of making a video recording, it includes casing, camera lens and PCB circuit board subassembly at least, and the casing includes: the front shell is provided with a first accommodating cavity, the front end of the front shell is provided with a lens opening communicated with the first accommodating cavity, and the lens is arranged on the front shell and exposed out of the opening; the rear shell is matched with the front shell and is provided with a second accommodating cavity, and the second accommodating cavity and the first accommodating cavity form an accommodating cavity together; the PCB circuit board assembly is arranged in the accommodating cavity formed by the second accommodating cavity and the first accommodating cavity together, and a heat insulation ring is arranged between the PCB circuit board assembly and the front shell to form a heat radiation path from the front shell to the rear shell. The embodiment of the utility model provides a, through set up thermal-insulated circle between PCB circuit board subassembly and procapsid to form from the radiating heat dissipation route of procapsid backward casing, can effectively prevent the heat toward the transmission of camera lens direction, and the casing transmission heat dissipation backward fast.
Description
The technical field is as follows:
the utility model relates to a module of making a video recording, especially a good on-vehicle module of making a video recording dispels heat.
Background art:
the heat that current on-vehicle module of making a video recording, its during operation produced can be toward the transmission of camera lens direction, leads to making a video recording the overheated and unable normal work of module, if the out of focus change appears easily, the trouble such as crash, colored point.
The utility model has the following contents:
for overcoming current on-vehicle module of making a video recording, the heat that its during operation produced can lead to the overheated and unable normal problem of working of module of making a video recording toward the transmission of camera lens direction, the embodiment of the utility model provides an on-vehicle module of making a video recording.
On-vehicle module of making a video recording, it includes the casing at least, locate on the casing and from the camera lens that exposes and locate the PCB circuit board subassembly in the casing, the casing includes:
the front shell is provided with a first accommodating cavity, the front end of the front shell is provided with a lens opening communicated with the first accommodating cavity, and the lens is arranged on the front shell and exposed out of the opening; and
the rear shell is matched with the front shell and is provided with a second accommodating cavity, and the second accommodating cavity and the first accommodating cavity form an accommodating cavity together;
the PCB circuit board assembly is arranged in the accommodating cavity formed by the second accommodating cavity and the first accommodating cavity together, and a heat insulation ring is arranged between the PCB circuit board assembly and the front shell to form a heat radiation path from the front shell to the rear shell.
The embodiment of the utility model provides a, through set up thermal-insulated circle between PCB circuit board subassembly and procapsid to form from the radiating heat dissipation route of procapsid backward casing, can effectively prevent the heat toward the transmission of camera lens direction, and fast backward casing transmission heat dissipation, avoid appearing the module of making a video recording overheated and the out of focus appearance of changing faults such as too big, crash, various points, guarantee the module of making a video recording normal work.
Description of the drawings:
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the camera module according to the embodiment of the present invention after the camera signal transmission line is hidden;
fig. 2 is an exploded schematic view of a camera module according to an embodiment of the present invention;
fig. 3 is a sectional view taken along line a-a of fig. 1.
The specific implementation mode is as follows:
in order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 3, the embodiment of the utility model provides an on-vehicle module of making a video recording, it includes the casing at least, locate on the casing and from the camera lens 1 that exposes and locate the PCB circuit board subassembly in the casing, the casing includes:
a front case 2 provided with a first accommodation chamber, a lens opening communicated with the first accommodation chamber being provided at a front end thereof, and a lens 1 being mounted on the front case 2 and exposed from the opening; and
the rear shell 3 is matched with the front shell 2 and is provided with a second accommodating cavity, and the second accommodating cavity and the first accommodating cavity form an accommodating cavity together;
PCB circuit board subassembly is installed in the holding intracavity that second holding chamber and first holding chamber formed jointly, and is equipped with thermal-insulated circle 40 between PCB circuit board subassembly and procapsid 2, forms from procapsid 2 to the radiating heat dissipation route of back casing 3.
The embodiment of the utility model provides a, through set up thermal-insulated circle between PCB circuit board subassembly and procapsid to form from the radiating heat dissipation route of procapsid backward casing, can effectively prevent the heat toward the transmission of camera lens direction, and fast backward casing transmission heat dissipation, avoid appearing the module of making a video recording overheated and the out of focus appearance of changing faults such as too big, crash, various points, guarantee the module of making a video recording normal work.
Further, as a preferred embodiment of the present invention, but not limited thereto, the outer circumferential surface of the front case 2 and/or the rear case 3 is provided with a graphene heat dissipation coating. The graphene heat dissipation coating is high in heat conductivity coefficient, and the heat dissipation efficiency can be further improved.
Still further, as a preferred embodiment of the present invention, not limited thereto, the outer circumferential surface of the front case 2 and/or the rear case 3 is provided with heat radiation fins extending in the longitudinal direction. The contact area between the whole shell and the outside air is increased, and the heat dissipation efficiency is improved.
Further, as a preferred embodiment of the present invention, but not limited thereto, the PCB board assembly includes:
the first circuit board 41 is fixedly arranged in the first accommodating cavity of the front shell 2, the heat insulation ring 40 is arranged between the edge of the upper surface of the first circuit board 41 and the top edge of the first accommodating cavity of the front shell 2, and the upper surface of the first circuit board 41 is at least provided with a photosensitive chip 410 corresponding to the tail end of the lens 1;
the second circuit board 42 is fixedly arranged below the first circuit board 41, electrically connected with the first circuit board 41 and located in the second accommodating cavity, and at least a PMU power management unit 421 is arranged on the second circuit board 42; and
and the third circuit board 43 is fixedly arranged below the second circuit board 42, electrically connected with the second circuit board 42, positioned in the second accommodating cavity, and at least provided with a camera signal transmission interface 431 on the lower surface. The structure is simple and compact, the circuit board layout is reasonable, and the overall appearance volume is small.
Still further, as a preferred embodiment of the present invention, but not limited to, a first heat dissipation silicone block 422 is disposed between the second circuit board 42 and the third circuit board 43, and the first heat dissipation silicone block 422 is tightly attached between the PMU power management unit 421 and the third circuit board 43; and/or a second heat dissipation silica gel block 432 is arranged between the third circuit board 43 and the inner surface of the bottom of the rear shell 3. The heat dissipation device is beneficial to quickly transferring heat to the rear shell, and improves the heat dissipation efficiency.
Still further, as a preferred embodiment of the present invention, but not limited to, the first circuit board 41 is connected to the second circuit board 42 through the first heat-conducting copper column 411; and/or the second circuit board 42 and the third circuit board 43 are connected through a second heat-conducting copper column 412. Simple structure is favorable to transmitting the heat on each circuit board to the back casing fast, improves the radiating efficiency.
Further, as a preferred embodiment of the present invention, but not limited thereto, the heat generated by the photosensitive chip 410 during operation is dissipated from front to back through a heat dissipation path, which at least includes: heat generated by the photosensitive chip 410 is transferred to the rear housing 3 through the first circuit board 41, the first heat-conducting copper column 411, the second circuit board 42, the second heat-conducting copper column 412 and/or the first heat-dissipating silica gel block 422, the third circuit board 43, and the second heat-dissipating silica gel block 432, respectively; and/or the heat generated by the PMU power management unit 421 during operation is dissipated from front to back through a heat dissipation path, where the heat dissipation path at least includes: the heat generated by the PMU power management unit 421 is transferred to the rear case 3 through the second circuit board 42, the second heat-conducting copper column 412 and/or the first heat-dissipating silica gel block 422, the third circuit board 43, and the second heat-dissipating silica gel block 432, respectively. Simple structure, the radiating efficiency is high.
Further, as a preferred embodiment of the present invention, not limiting, the first circuit board 41, and/or the second circuit board 42, and/or the third circuit board 43 has a copper thickness of 2 oz. Thereby reducing the internal resistance of the circuit board and further reducing the heat productivity.
Still further, as the utility model discloses a preferred embodiment is not restricted, and annular assembly groove has been seted up to procapsid 2 rear end face, and the terminal surface is equipped with the assembly arch corresponding with assembly groove before the back casing 3, is equipped with waterproof circle 30 between assembly groove and the assembly arch. The waterproof effect is good.
Furthermore, as a preferred embodiment of the present invention, but not limited thereto, the rear end face of the front housing 2 is provided with a positioning fixture block 21 extending longitudinally and backwards on the periphery of the annular assembling groove, and the front end face of the rear housing 3 is provided with a positioning groove 31 matching with the positioning fixture block 21 on the periphery of the assembling protrusion. The front and rear shells are convenient to assemble.
The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not to be construed as limiting the invention to the precise embodiments disclosed herein. All with the utility model discloses a method, structure etc. are similar, the same, or to the utility model discloses make a plurality of technological deductions or replacement under the design prerequisite, all should regard as the utility model discloses a protection scope.
Claims (10)
1. On-vehicle module of making a video recording, it includes the casing at least, locate on the casing and from the camera lens that exposes and locate the PCB circuit board subassembly in the casing, its characterized in that casing includes:
the front shell is provided with a first accommodating cavity, the front end of the front shell is provided with a lens opening communicated with the first accommodating cavity, and the lens is arranged on the front shell and exposed out of the opening; and
the rear shell is matched with the front shell and is provided with a second accommodating cavity, and the second accommodating cavity and the first accommodating cavity form an accommodating cavity together;
the PCB circuit board assembly is arranged in the accommodating cavity formed by the second accommodating cavity and the first accommodating cavity together, and a heat insulation ring is arranged between the PCB circuit board assembly and the front shell to form a heat radiation path from the front shell to the rear shell.
2. The vehicle camera module of claim 1, wherein the outer peripheral surface of the front housing and/or the rear housing is provided with a graphene heat dissipation coating.
3. The vehicle camera module of claim 1 or 2, wherein the outer circumferential surface of the front housing and/or the rear housing is provided with heat radiating fins extending in the longitudinal direction.
4. A vehicle camera module according to claim 3, wherein the PCB board assembly comprises:
the first circuit board is fixedly arranged in the first accommodating cavity of the front shell, the heat insulation ring is arranged between the edge position of the upper surface of the first circuit board and the top edge of the first accommodating cavity of the front shell, and the upper surface of the first circuit board is at least provided with a photosensitive chip corresponding to the tail end of the lens;
the second circuit board is fixedly arranged below the first circuit board, is electrically connected with the first circuit board and is positioned in the second accommodating cavity, and at least a PMU power management unit is arranged on the second circuit board; and
and the third circuit board is fixedly arranged below the second circuit board, is electrically connected with the second circuit board, is positioned in the second accommodating cavity, and at least has a camera signal transmission interface on the lower surface.
5. The vehicle-mounted camera module of claim 4, wherein a first heat-dissipating silica gel block is arranged between the second circuit board and the third circuit board; and/or a second heat dissipation silica gel block is arranged between the third circuit board and the inner surface of the bottom of the rear shell.
6. The vehicle-mounted camera module of claim 5, wherein the first circuit board is connected with the second circuit board through a first heat-conducting copper column; and/or the second circuit board is connected with the third circuit board through a second heat-conducting copper column.
7. The vehicle camera module of claim 6, wherein the heat generated by the photosensitive chip during operation is dissipated from front to back through a heat dissipation path, the heat dissipation path at least comprising: the heat generated by the photosensitive chip is transferred to the rear shell through the first circuit board, the first heat-conducting copper column, the second circuit board, the second heat-conducting copper column and/or the first heat-radiating silica gel block, the third circuit board and the second heat-radiating silica gel block; and/or heat generated by the PMU power management unit during operation is dissipated from front to back through a heat dissipation path, wherein the heat dissipation path at least comprises: the heat produced by the PMU power management unit is transferred to the rear shell through the second circuit board, the second heat-conducting copper column and/or the first heat-radiating silica gel block, the third circuit board and the second heat-radiating silica gel block.
8. The on-vehicle camera module of claim 4, wherein the first circuit board, and/or the second circuit board, and/or the third circuit board has a copper thickness of 2 oz.
9. The vehicle camera module of claim 4, wherein the rear surface of the front housing defines an annular mounting groove, the front surface of the rear housing defines a mounting protrusion corresponding to the mounting groove, and a waterproof ring is disposed between the mounting groove and the mounting protrusion.
10. The vehicle camera module of claim 9, wherein the rear surface of the front housing has a positioning block extending longitudinally and rearwardly at the periphery of the annular mounting groove, and the front surface of the rear housing has a positioning groove at the periphery of the mounting protrusion for engaging with the positioning block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921197824.7U CN210181369U (en) | 2019-07-26 | 2019-07-26 | Vehicle-mounted camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921197824.7U CN210181369U (en) | 2019-07-26 | 2019-07-26 | Vehicle-mounted camera module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210181369U true CN210181369U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921197824.7U Active CN210181369U (en) | 2019-07-26 | 2019-07-26 | Vehicle-mounted camera module |
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| CN (1) | CN210181369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333640A (en) * | 2019-07-26 | 2019-10-15 | 广东弘景光电科技股份有限公司 | Vehicle-mounted pick-up mould group |
| CN114518679A (en) * | 2020-11-16 | 2022-05-20 | 三星电机株式会社 | Camera module |
-
2019
- 2019-07-26 CN CN201921197824.7U patent/CN210181369U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333640A (en) * | 2019-07-26 | 2019-10-15 | 广东弘景光电科技股份有限公司 | Vehicle-mounted pick-up mould group |
| CN114518679A (en) * | 2020-11-16 | 2022-05-20 | 三星电机株式会社 | Camera module |
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