CN212766046U - Photographing apparatus for vehicle - Google Patents

Abstract

The application discloses a camera device for vehicle relates to the autopilot field. The specific implementation scheme is as follows: a photographic arrangement for a vehicle includes a chassis, a camera, a lens mount, a transparent lens, and a drive assembly. The camera is arranged on the base; the lens seat is installed on the base and is rotatable for the base, and transparent lens is installed on the lens seat and is arranged with camera relatively, and drive assembly links to each other with the lens seat in order to drive the lens seat and rotate for the base. The photographic arrangement for vehicle of this application can utilize transparent lens pivoted centrifugal force, throws away the raindrop on the transparent lens, makes the transparent lens surface keep better light-transmitting effect, improves the reliability of the clear formation of image of camera, can clear away transparent lens surface raindrop at any time at the driving in-process, reduces driving safety hidden danger.

Description

Photographing apparatus for vehicle

Technical Field

The application relates to the technical field of automatic driving, in particular to a photographic device for a vehicle.

Background

In the related technology, when a vehicle runs in a rainy day, a camera arranged outside the vehicle is stained with raindrops to influence the imaging of the acquired information, so that the difference between the image information acquired by the camera lens and the real road condition and vehicle condition information is caused, and the identification of traffic signals and obstacles is not accurate, so that an automatic driving system of the vehicle makes wrong judgment to endanger passengers and the vehicle; similarly, the dirt on the surface of the lens can also affect imaging and threaten driving safety.

SUMMERY OF THE UTILITY MODEL

The application provides a photographic arrangement for vehicle, this photographic arrangement can clear away the surperficial raindrop of lens at any time, and the camera imaging definition is high, and driving safety hidden danger is low.

A photographic arrangement for a vehicle according to an embodiment of the present application includes a chassis, a camera, a lens mount, a transparent lens, and a drive assembly. The camera is mounted on the base; the lens seat is arranged on the base and can rotate relative to the base; the transparent lens is arranged on the lens seat and is opposite to the camera; the driving component is connected with the lens seat to drive the lens seat to rotate relative to the base.

According to the photographic arrangement for vehicle of the embodiment of this application, through setting up the rotatable lens seat of relative base, transparent lens installs on the lens seat, and set up and be used for driving the relative base pivoted drive assembly of lens seat, can utilize drive assembly drive lens seat to rotate, thereby drive transparent lens and rotate, utilize transparent lens pivoted centrifugal force, throw away the raindrop on the transparent lens, make the transparent lens surface keep better light transmission effect, improve the reliability that the camera clearly imaged, can clear away transparent lens surface raindrop at any time at the driving in-process, reduce driving safety hidden danger

It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present application, nor do they limit the scope of the present application. Other features of the present application will become apparent from the following description.

Drawings

The drawings are included to provide a better understanding of the present solution and are not intended to limit the present application. Wherein:

fig. 1 is a schematic view of a photographing apparatus for a vehicle according to a first embodiment of the present application;

fig. 2 is a sectional view of the photographing apparatus for a vehicle of fig. 1;

FIG. 3 is a front view of the camera device for the vehicle of FIG. 1;

FIG. 4 is a cross-sectional view of the camera device for the vehicle of FIG. 1;

FIG. 5 is a side view of the camera device for the vehicle of FIG. 1;

fig. 6 is a schematic view of a photographing apparatus for a vehicle according to a second embodiment of the present application;

fig. 7 is a sectional view of the photographing apparatus for a vehicle of fig. 6;

fig. 8 is a side view of a retainer ring of a photographing device for a vehicle according to an embodiment of the present application.

Fig. 9 is a front view of a retainer ring of the photographing device for a vehicle of fig. 8;

fig. 10 is a schematic view of a photographing apparatus for a vehicle according to a third embodiment of the present application;

fig. 11 is a sectional view of the photographing apparatus for a vehicle of fig. 10;

fig. 12 is a front view of the photographing apparatus for a vehicle of fig. 10;

fig. 13 is a sectional view of the photographing apparatus for a vehicle of fig. 10.

Reference numerals:

a photographing device 1 for a vehicle;

a base 10; a cylindrical member 101; a chamber 1011; a cover plate 102;

a camera 20;

a lens holder 30; a first annular groove 301;

a transparent lens 40;

a drive assembly 50; a motor 501; a gear 502; a ring gear 503; a first compressed gas nozzle 504; a blade 505;

a retainer ring 60; a water chute 601;

a guide seat 70; a second annular groove 701.

Detailed Description

The following description of the exemplary embodiments of the present application, taken in conjunction with the accompanying drawings, includes various details of the embodiments of the application for the understanding of the same, which are to be considered exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present application. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

A photographing apparatus for a vehicle according to an embodiment of the present application is described below with reference to fig. 1 to 13.

As shown in fig. 1 to 13, a photographing device 1 for a vehicle according to an embodiment of the present application includes a base 10, a camera 20, a lens holder 30, a transparent lens 40, and a driving assembly 50.

As shown in fig. 2 and 4, the camera 20 is mounted on the base 10, the lens holder 30 is mounted on the base 10 and rotatable with respect to the base 10, the transparent lens 40 is mounted on the lens holder 30 and disposed opposite to the camera 20, and the driving assembly 50 is connected to the lens holder 30 to drive the lens holder 30 to rotate with respect to the base 10. Specifically, as shown in fig. 2 and 4, the rear end of the camera 20 is connected to the base 10, and the lens holder 30 is provided at the front side of the lens of the camera 20, so that the camera 20 can clearly image through the transparent lens 40 mounted on the lens holder 30.

From this, according to the technical scheme of this application embodiment, through setting up the rotatable lens seat of relative base, transparent lens installs on the lens seat, and set up and be used for driving the relative base pivoted drive assembly of lens seat, can utilize drive assembly drive lens seat to rotate, thereby it rotates to drive transparent lens, utilize transparent lens pivoted centrifugal force, throw away the raindrop on the transparent lens, make the transparent lens surface keep better light transmission effect, improve the reliability that the camera clearly imaged, can clear away transparent lens surface raindrop at any time at the driving in-process, reduce driving safety hidden danger.

In some embodiments, as shown in fig. 1-7, the base 10 includes a cylindrical member 101 and a cover plate 102, the cylindrical member 101 has a cavity 1011, a first end (a front end as shown in fig. 2) of the cylindrical member 101 is open to open the first end of the cavity 1011, the cover plate 102 is disposed at a second end (a rear end as shown in fig. 2) of the cylindrical member 101 to cover the second end of the cavity 1011, the camera 20 is mounted on the cover plate 102 and located in the cavity 1011, and the lens holder 30 is mounted at the first end of the cylindrical member 101 to cover the first end of the cavity 1011 together with the transparent lens 40.

Specifically, as shown in fig. 1 to 7, the cylindrical member 101 extends in the front-rear direction, the rear end of the chamber 1011 of the cylindrical member 101 is open, and the rear end of the cylindrical member 101 is provided with a cover plate 102 to cover the rear end of the chamber 1011. Preferably, the cylinder 101 and the cover plate 102 are integrally formed, i.e. the base 10 is an integrally formed member. It should be noted that the cylindrical member 101 and the cover plate 102 may be two separate structural members, and the cylindrical member 101 and the cover plate 102 are formed separately and then the cover plate 102 is connected to the rear end of the cylindrical member 101 to form the base 10.

The front end of the cavity 1011 of the cylindrical member 101 is open, the lens holder 30 is mounted on the front end (first end) of the cylindrical member 101, a through hole penetrating the lens holder 30 in the backward direction is provided in the lens holder 30, the transparent lens 40 is mounted on the through hole and faces the camera 20 in the forward and backward directions, and the lens holder 30 and the transparent lens 40 block the front end of the cavity 1011 together. Therefore, a relatively sealed space (cavity) can be formed by the cover plate, the cylindrical part, the lens seat and the transparent lens, so that external water vapor or dust is prevented from invading the cavity, the imaging of the camera in the cavity is clear, and the damage is avoided.

In some embodiments, as shown in fig. 1-9, the camera device 1 for a vehicle further comprises a retainer ring 60, the retainer ring 60 being disposed at a first end of the cylindrical member 101, and a portion of the lens holder 30 being sandwiched between the retainer ring 60 and the first end of the cylindrical member 101. Therefore, the lens seat can be prevented from moving in the front-rear direction by clamping the retainer ring and the cylindrical part, and the assembling reliability of the transparent lens is improved. In the embodiment shown in fig. 1, the retainer ring 60 is a circular ring, and it is understood that the shape of the retainer ring 60 is not limited to that shown in fig. 1, and the retainer ring 60 can be adapted according to the opening shape of the cylindrical member 101.

In some embodiments, as shown in fig. 8 and 9, the retainer ring 60 is provided with a water chute 601, and the water chute 601 has a length extending in the circumferential direction of the retainer ring 60, a width extending in the radial direction of the retainer ring 60, and a depth extending in the axial direction of the retainer ring 60. In other words, the water guide groove 601 is a groove extending in the circumferential direction of the retainer ring 60 and having a certain depth in the axial direction of the retainer ring 60, so that raindrops thrown off by the transparent lens can be guided to the outside of the photographing device by the water guide groove.

Specifically, as shown in fig. 4, 7, 8, and 9, the water guide groove 601 extends in the circumferential direction of the retainer ring 60 to form the length of the water guide groove 601, and the water guide groove 601 extends forward from the rear end surface of the retainer ring 60 to form the depth of the water guide groove 601 and extends inward from the outer circumferential surface of the retainer ring 60 to form the width of the water guide groove 601.

Further, as shown in fig. 1 to 9, the water chute 601 is plural, and the plural water chutes 601 are arranged at intervals along the circumferential direction of the retainer ring 60. Therefore, the water guide efficiency and reliability of the water guide groove can be improved.

In some embodiments, as shown in fig. 4, the driving assembly 50 includes a motor 501, a gear 502 and a gear ring 503, the motor 501 is mounted on the cover plate 102 and located outside the cavity 1011, the gear 502 is disposed inside the cavity 1011 and connected to an output shaft of the motor 501, the gear ring 503 is mounted on the lens holder 30 and disposed inside the cavity 1011, and the gear ring 503 is engaged with the gear 502. Specifically, the front end of the motor 501 is mounted on the rear end surface of the cover plate 102, the output shaft of the motor 501 extends forward into the cavity 1011, the gear 502 is connected with the front end of the output shaft, and the gear ring 503 extends along the circumferential direction of the lens holder 30 and is disposed on the rear side surface of the lens holder 30.

The motor output shaft can drive the gear to rotate, the gear ring 503 is driven to rotate by the meshing of the gear and the gear ring, and the gear ring rotates to drive the lens seat to rotate, so that the transparent lens rotates along with the lens seat to throw away raindrops on the surface of the transparent lens.

In addition, in the embodiment shown in fig. 4, the base 10, the lens holder 30, the retainer ring 60 and the gear 502 can be made of engineering plastics with self-lubrication, wear resistance and good mechanical properties, so as to reduce the wear of the parts of the photographing device when the lens holder rotates. The transparent lens 40 may have a spherical shape to facilitate the throwing of raindrops.

It is understood that the driving assembly 50 is not limited to the embodiment shown in fig. 1-4, for example, in other embodiments, as shown in fig. 6 and 7, the driving assembly 50 includes a first compressed gas nozzle 504 and a plurality of blades 505 mounted on the lens holder 30, the first compressed gas nozzle 504 and the blades 505 are disposed in the chamber 1011, and the first compressed gas nozzle 504 can spray compressed gas onto the blades 505 to drive the blades 505 to rotate. Therefore, the compressed gas sprayed by the first compressed gas nozzle can be used as power to drive the blades to rotate, and the blades are used for driving the lens seat to rotate so as to rotate the transparent lens and throw out raindrops. In addition, the compressed gas sprayed by the first compressed gas nozzle can remove fog in the cavity, and the imaging definition of the camera is improved.

In the embodiment shown in fig. 7, the base 10, the lens holder 30 and the retainer ring 60 can be made of engineering plastics with self-lubrication, wear resistance and good mechanical properties to reduce the wear of the parts of the photographing apparatus when the lens holder rotates.

Wherein the configuration of the chassis 10 and the transparent lens 40 is not limited to the embodiment shown in fig. 1-7, for example in other embodiments, as shown in fig. 10-13, the transparent lens 40 is generally cylindrical, the lens holder 30 is provided with a first annular groove 301, a first end of the transparent lens 40 fits within the first annular groove 301, and the chassis 10 is disposed within the transparent lens 40. Specifically, as shown in fig. 10, the transparent lens 40 is a cylindrical structural member extending in the left-right direction (the left-right direction shown in fig. 10), the camera 20 is installed on the base 10, the substantially cylindrical transparent lens has a larger light transmission range and light transmission strength, which is beneficial to clear imaging of the camera, the lens holder 30 is installed at the right end of the transparent lens 40, the first annular groove 301 extends in the circumferential direction of the lens holder 30, and the first annular groove 301 is opened leftward, the first annular groove 301 can be inserted into the right end of the transparent lens 40, so that convenience in assembling the lens holder and the transparent lens can be improved.

In some specific embodiments, as shown in fig. 10, 11 and 13, the photographic apparatus 1 for vehicles further comprises a guide seat 70, the guide seat 70 being connected to the base 10 and being arranged opposite to the lens seat 30, the guide seat 70 being provided with a second annular groove 701, the second end of the transparent lens 40 fitting within said second annular groove 701. Specifically, the guide 70 is provided at a left end (second end) of the transparent lens 40, the guide 70 is mounted on the chassis 10, the second annular groove 701 extends circumferentially along the guide 70 and the second annular groove 701 is open to the right, and the left end of the transparent lens 40 is adapted to be inserted into the second annular groove 701.

Therefore, the assembly mode of the guide seat and the transparent lens can be simplified, the second annular groove is used for guiding the rotation of the transparent lens, the guide seat, the transparent lens and the lens seat can form a closed accommodating space, and a camera arranged in the transparent lens is protected from being corroded by water vapor and dust.

In some embodiments, as shown in fig. 10 and 11, the lens holder 30 and the guiding holder 70 are both substantially cylindrical, so as to be adapted to the substantially cylindrical transparent lens 40, the driving assembly 50 includes a motor 501, an output shaft of the motor 501 is connected to the lens holder 30, the motor 501 is adapted to drive the lens holder 30 to rotate, and the lens holder 30 can drive the transparent lens 40 to rotate to throw away raindrops on the surface of the transparent lens 40.

In the embodiment shown in fig. 10-13, the base 10, the lens holder 30 and the lens guide 70 can be made of engineering plastic with self-lubrication, wear resistance and good mechanical properties to reduce the wear of the parts of the photographing apparatus when the lens holder rotates.

In some embodiments, the photographing apparatus for a vehicle 1 further includes a second compressed gas nozzle (not shown) that can inject compressed gas toward the transparent lens 40 from the outside of the transparent lens 40. Therefore, the compressed air jetted by the second compressed air nozzle can be used for blowing away the dirt on the outer surface of the transparent lens, and the imaging of the camera is further facilitated to be clear.

In some embodiments, the photographing apparatus for a vehicle 1 further includes a third compressed gas nozzle (not shown) that can inject compressed gas toward the lens from the inside of the lens. Accordingly, the mist inside the imaging apparatus can be removed by the compressed gas discharged from the third compressed gas nozzle, and the image sharpness can be further improved. In the embodiment shown in fig. 6 and 7, the third compressed gas nozzle may not be provided, and the first compressed gas nozzle 504 may drive the vane 505 to rotate and simultaneously perform a defogging function.

In some specific embodiments, the photographing apparatus for vehicles 1 further includes a heating assembly (not shown) for heating the compressed gas in the third compressed gas nozzle to defrost, thereby preventing the transparent lens surface from being frosted.

In some embodiments, the photographing apparatus for vehicles 1 further includes a cleaning liquid nozzle (not shown) that can spray cleaning liquid toward the transparent lens 40 from the outside of the transparent lens 40. Therefore, the cleaning solution can be used for removing stains on the outer surface of the transparent lens, so that the camera can image more clearly.

In some embodiments, the camera device 1 for vehicles further comprises a wiper assembly (not shown) that cooperates with the cleaning solution device to remove stains from the surface of the transparent lens 40. It can be understood that the wiper assembly can enable the cleaning solution to be evenly smeared on the surface of the transparent lens, and the wiper assembly can be smeared on the surface of the transparent lens in a reciprocating mode, so that the cleaning effect of the cleaning solution is improved.

A photographing apparatus for a vehicle according to one specific example of the present application is described below with reference to fig. 1 to 5 and fig. 8 and 9.

As shown in fig. 1, 2 and 4, a photographing device 1 for a vehicle includes a base 10, a camera 20, a lens holder 30, a transparent lens 40 and a driving assembly 50. As shown in fig. 2, the base 10 includes a cylindrical member 101 extending in a front-rear direction (front-rear direction shown in fig. 2), the cylindrical member 101 having a chamber 1011,

the rear end of the chamber 1011 of the cylindrical member 101 is open, and a cover plate 102 is provided at the rear end of the cylindrical member 101 to cover the rear end of the chamber 1011.

The front end of the cavity 1011 of the cylindrical member 101 is opened, the lens holder 30 is mounted on the front end of the cylindrical member 101, a through hole penetrating the lens holder 30 in the front-rear direction is provided in the lens holder 30, the transparent lens 40 is mounted on the through hole and faces the camera 20 in the front-rear direction, and the lens holder 30 and the transparent lens 40 block the front end of the cavity 1011.

As shown in fig. 2, the photographing device 1 for a vehicle includes an annular retainer ring 60, the annular retainer ring 60 is mounted at the front end of the cylindrical member 101, the annular retainer ring 60 is located at the front side of the lens holder 30, and the edge of the lens holder 30 is sandwiched between the annular retainer ring 60 and the front end of the cylindrical member 101. as shown in fig. 8 and 9, the annular retainer ring 60 is provided with a water guide groove 601 having a certain width in the radial direction of the retainer ring 60 and a certain depth in the front-rear direction, the water guide grooves 601 are plural, and the water guide grooves 601 are uniformly distributed along the circumferential direction of the retainer ring 60 at intervals.

As shown in fig. 4, the driving assembly 50 includes a motor 501, a gear 502 and a gear ring 503, the front end of the motor 501 is mounted on the rear end surface of the cover plate 102, the output shaft of the motor 501 extends forward into the cavity 1011, the gear 502 and the gear ring 503 are both located in the cavity 1011, the gear 502 is connected with the front end of the output shaft, the gear ring 503 extends along the circumference of the lens holder 30 and is arranged on the rear side surface of the lens holder 30, and the gear 502 is engaged with the gear ring 503.

A photographing apparatus for a vehicle according to another embodiment of the present application is described below with reference to fig. 6 to 9.

As shown in fig. 6 and 7, the photographing device 1 for a vehicle includes a base 10, a camera 20, a lens holder 30, a transparent lens 40, a blade 505, and a first compressed gas nozzle 504.

As shown in fig. 7, the vane 505 is located in the cavity 1011, the vanes 505 are distributed along the circumferential direction of the lens holder 30 and are disposed on the rear side surface of the lens holder 30, the first compressed gas nozzle 504 penetrates the cover plate 102 and is connected to the cover plate 102, the front end of the first compressed gas nozzle 504 is located in the cavity 1011, the rear end of the first compressed gas nozzle 504 extends out of the cavity 1011, that is, the rear end of the first compressed gas nozzle 504 is located outside the base 10 so as to be connected to an external ventilation device, and the front end of the first compressed gas nozzle 504 has an injection port which is open toward the vane 505.

Other structures and operations of the photographing apparatus for a vehicle shown in fig. 6 and 7 may be the same as those of the embodiment shown in fig. 1 to 5, and will not be described in detail herein.

A photographing apparatus 1 for a vehicle according to still another embodiment of the present application is described below with reference to fig. 10 to 13.

As shown in fig. 10 to 13, the photographing device 1 for a vehicle includes a base 10, a camera 20, a lens holder 30, a transparent lens 40, and a lens guide 70. As shown in fig. 10 and 11, the transparent lens 40 is a cylindrical structural member extending in the left-right direction (left-right direction shown in fig. 10), the right end of the transparent lens 40 is open, the guide holder 70 is mounted on the right end of the transparent lens 40 to shield the right end opening, the left end of the transparent lens 40 is open, and the lens holder 30 is mounted on the left end of the transparent lens 40 to shield the left end opening. The base 10 is disposed in the transparent lens 40, the right end of the base 10 is connected to the guide holder 70, and the camera 20 is mounted on the base 10.

As shown in fig. 11, the photographing device 1 for a vehicle includes a motor 501, the motor 501 is disposed in the transparent lens 40, the motor 501 is mounted on the base 10, and an output shaft of the motor 501 is connected to the lens holder 30.

As shown in fig. 11 and 13, the lens holder 30 is provided with a first annular groove 301, the first annular groove 301 extends along the circumferential direction of the lens holder 30, the first annular groove 301 is opened to the right, and the left end of the transparent lens 40 is inserted into the first annular groove 301.

As shown in fig. 11 and 13, the guide seat 70 is provided with a second annular groove 701, the second annular groove 701 extends along the circumferential direction of the guide seat 70, the second annular groove 701 is opened to the left, and the right end of the transparent lens 40 is adapted to be inserted into the second annular groove 701.

In the description of the present application, it is to be understood that the terms "front", "back", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above-described embodiments should not be construed as limiting the scope of the present application. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (15)

1. A camera device for a vehicle, comprising:

a base seat is arranged on the base seat,

a camera mounted on the base;

a lens mount mounted on the chassis and rotatable relative to the chassis;

a transparent lens mounted on the lens mount and arranged opposite the camera;

the driving assembly is connected with the lens seat to drive the lens seat to rotate relative to the base.

2. The photographing apparatus for a vehicle of claim 1, wherein the base includes a cylinder having a chamber, a first end of the cylinder being open-set to open the first end of the chamber, and a cover plate provided at a second end of the cylinder to cover the second end of the chamber, the camera being mounted on the cover plate and located in the chamber, the lens holder being mounted at the first end of the cylinder to cover the first end of the chamber together with the transparent lens.

3. The camera device for a vehicle of claim 2, further comprising a retainer ring disposed at the first end of the barrel, a portion of the lens holder being sandwiched between the retainer ring and the first end of the barrel.

4. The photographing device for a vehicle of claim 3, the retainer ring being provided with a water guide groove having a length extending in a circumferential direction of the retainer ring, a width extending in a radial direction of the retainer ring, and a depth extending in an axial direction of the retainer ring.

5. The photographing device for a vehicle according to claim 4, wherein the water guide groove is plural, and the plural water guide grooves are arranged at intervals along a circumferential direction of the retainer ring.

6. A camera arrangement for a vehicle according to any one of claims 2 to 5, wherein the drive assembly includes a motor mounted on the cover plate and located outside the chamber, a gear provided in the chamber and connected to an output shaft of the motor, and a ring gear mounted on the lens holder and provided in the chamber, the ring gear being in mesh with the gear.

7. The camera device for the vehicle according to any one of claims 2 to 5, wherein the driving assembly includes a first compressed gas nozzle and a plurality of blades mounted on the lens holder, the first compressed gas nozzle and the blades being provided in the chamber, the first compressed gas nozzle being capable of spraying compressed gas onto the blades to drive the blades to rotate.

8. A camera apparatus for a vehicle according to claim 1, said transparent lens being generally cylindrical, said lens holder being provided with a first annular groove in which a first end of said transparent lens fits, said base being provided within said transparent lens.

9. The photographing apparatus for a vehicle of claim 8, further comprising a guide holder connected with the base and disposed opposite to the lens holder, the guide holder being provided with a second annular groove in which a second end of the transparent lens is fitted.

10. A camera arrangement for a vehicle according to claim 9, the lens holder and the guide mount each being generally cylindrical, the drive assembly including a motor, an output shaft of the motor being connected to the lens holder.

11. The photographing device for the vehicle according to any one of claims 1 to 5 and 8 to 10, further comprising a second compressed gas nozzle that can inject compressed gas toward the transparent lens from an outside of the transparent lens.

12. The photographing device for the vehicle according to any one of claims 1 to 5 and 8 to 10, further comprising a third compressed gas nozzle that can inject compressed gas toward the lens from an inside of the lens.

13. The photographing apparatus for a vehicle of claim 12, further comprising a heating assembly for heating the compressed gas inside the third compressed gas nozzle to defrost.

14. The photographing device for a vehicle according to any one of claims 1 to 5 and 8 to 10, further comprising a cleaning liquid nozzle that can spray cleaning liquid toward the transparent lens from an outside of the transparent lens.

15. The camera device for a vehicle of claim 14, further comprising a wiper assembly that cooperates with said cleaning fluid device to remove stains from the surface of said transparent lens.

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