CN112158168B

CN112158168B - Camera cleaning equipment, control method and vehicle

Info

Publication number: CN112158168B
Application number: CN202010948372.2A
Authority: CN
Inventors: 刘新宇; 徐晓辉; 吴爱文; 郝值; 赵子健
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2022-02-18
Anticipated expiration: 2040-09-10
Also published as: CN112158168A

Abstract

The invention discloses camera cleaning equipment, a control method and a vehicle, and belongs to the technical field of vehicle-mounted equipment, wherein the camera cleaning equipment comprises a shell, wherein the shell is provided with an inner cavity, and a visual field hole and a nozzle capable of spraying cleaning liquid and cleaning air are sequentially arranged on one side plate of the shell from top to bottom; the camera shooting structure is arranged in the inner cavity and comprises a fixing piece and at least two cameras which are arranged in the fixing piece; and the driving structure is configured to drive the fixing piece to rotate so that one camera is aligned with the visual field hole and the other camera is aligned with the nozzle. Compared with the prior art, the vehicle can adjust and clean the position of the camera before starting and in the running process, the vehicle is guaranteed to run safely, the cleaning process of the camera is carried out in the shell, the influence of the external environment is avoided, and the cleaning effect is improved.

Description

Camera cleaning equipment, control method and vehicle

Technical Field

The invention relates to the technical field of vehicle-mounted equipment, in particular to camera cleaning equipment, a control method and a vehicle.

Background

When the surface of the camera is stained, the capability of the camera for acquiring peripheral information can be seriously influenced, and the surface of a lens of the camera needs to be cleaned in order to ensure that the vehicle normally runs.

Although the existing camera cleaning structure can achieve the purpose of cleaning the camera, the camera cleaning needs a certain time, the safe driving of the automatic driving vehicle is affected, and the cleaning process is exposed in the external environment, so that the cleaning effect is poor.

Disclosure of Invention

The invention aims to provide camera cleaning equipment and a vehicle, and aims to solve the problems that in the prior art, when a camera is cleaned, the safe running of an automatic driving vehicle is influenced, and the cleaning process is exposed in an external environment, so that the cleaning effect is poor.

As the conception, the technical scheme adopted by the invention is as follows:

a camera cleaning apparatus, comprising:

the cleaning device comprises a shell, a cleaning liquid and a cleaning air, wherein the shell is provided with an inner cavity, and a visual field hole and a nozzle capable of spraying cleaning liquid and cleaning air are sequentially arranged on one side plate of the shell from top to bottom;

the camera shooting structure is arranged in the inner cavity and comprises a fixing piece and at least two cameras which are arranged in the fixing piece;

the driving structure is configured to drive the fixing piece to rotate, so that one camera is aligned with the view hole, and the other camera is aligned with the nozzle.

Further, the camera cleaning device further comprises a first wiping structure arranged in the inner cavity, the first wiping structure is located between the view hole and the nozzle, the first wiping structure abuts against one surface, facing the view hole, of the fixing piece, and the first wiping structure is configured to be capable of wiping the surface of the lens of the camera when the fixing piece rotates.

Furthermore, a drain hole is formed in a bottom plate of the shell, a first water baffle is arranged on the bottom plate of the shell, a cleaning cavity is formed by the first water baffle, the first wiping structure, the fixing piece and the shell in an enclosing mode, and the nozzle is located in the cleaning cavity.

Furthermore, in the axial direction of the fixing piece, a plurality of first water baffles are arranged on the bottom plate of the shell at intervals, the intervals between the first water baffles and the drain holes are unequal, and a backflow hole is formed in one first water baffle closest to the drain hole.

Further, the camera cleaning device further comprises a second wiping structure arranged in the inner cavity, the second wiping structure is located between the view hole and the first wiping structure and abuts against one surface, facing the view hole, of the fixing piece, and the second wiping structure is configured to be capable of wiping the surface of the lens of the camera when the fixing piece rotates.

Further, the mounting is the cylinder structure, the structural a plurality of mounting holes that have seted up of cylinder and extend along its axial and be used for the installation the camera, work as the camera install in corresponding when in the mounting hole, the camera lens protrusion in the mounting is towards the surface of one side of field of vision hole.

Further, actuating mechanism includes driving motor and pivot, the pivot wear to locate the mounting and connect in the mounting, the pivot connect in driving motor's output shaft.

In order to achieve the above object, the present invention further provides a control method of a camera cleaning apparatus, which is applicable to the camera cleaning apparatus in any one of the above solutions, wherein the camera structure includes two cameras, one of the cameras is aligned with the view hole, and the other camera is aligned with the nozzle, and the control method of the camera cleaning apparatus includes:

s11, judging whether the camera right facing the sight hole can shoot clearly, if so, executing S12; if not, go to S14;

s12, sending a signal for allowing the vehicle to run at a first preset speed, judging whether the camera facing the nozzle can clearly shoot, and if so, sending a signal for allowing the vehicle to run at a second preset speed, wherein the second preset speed is higher than the first preset speed; if not, go to S13;

s13, controlling the nozzle to clean the camera right opposite to the nozzle, judging whether the camera can clearly shoot or not after the cleaning is finished, if so, sending a signal for allowing the vehicle to run at a second preset speed, and if not, alarming and controlling the vehicle to stop moving;

s14, judging whether the camera right facing the nozzle can shoot clearly, if so, controlling the driving structure to drive the fixing piece to rotate, enabling the camera to rotate to be right facing the visual field hole, and returning to S12; if not, sending a signal for prohibiting the vehicle from starting, and executing S15;

s15, controlling the nozzle to clean the camera right opposite to the nozzle, judging whether the camera right opposite to the nozzle can shoot clearly after cleaning is finished, if so, controlling the driving structure to drive the fixing piece to rotate, enabling the camera capable of shooting clearly to be right opposite to the visual field hole, and returning to S12; if not, alarming.

Further, the control method of the camera cleaning device further includes: after the vehicle is started, judging whether a camera right opposite to the sight hole can clearly shoot or not in real time, if so, driving the vehicle at a second preset speed; if not, then control drive structure drives the mounting and rotates for just rotating to just being directed against the field of vision hole to the camera of nozzle, control nozzle is just right afterwards and is washd its camera.

In order to achieve the above object, the present invention further provides a vehicle including the camera washing device in any one of the above aspects.

The invention has the beneficial effects that:

according to the camera cleaning equipment, the control method and the vehicle, the at least two cameras are arranged, the cameras are all installed in the fixing piece, the fixing piece is driven to rotate through the driving structure to adjust the cameras right opposite to the visual field holes, and the cameras needing to be cleaned are cleaned through the nozzles.

Drawings

FIG. 1 is a disassembled schematic view of a camera cleaning apparatus provided by the present invention;

FIG. 2 is a schematic structural view of an upper housing provided by the present invention;

fig. 3 is a schematic structural diagram of a lower housing provided by the present invention.

In the figure:

11. an upper housing; 111. a field of view aperture; 112. a second water baffle; 113. a first support plate; 114. a first protrusion; 115. a second protrusion; 12. a lower housing; 121. a drain hole; 122. a first water baffle; 123. a second support plate; 124. supporting a step; 125. a wiring hole; 126. a third protrusion; 127. a fourth protrusion; 13. a second wiping structure; 14. a first wiping structure; 2. a nozzle; 3. a camera structure; 31. a fixing member; 311. mounting holes; 32. a camera; 41. a drive motor; 42. a rotating shaft; 43. a bearing; 5. a controller; 6. installing a shell; 7. a motor cover.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 to 3, the present embodiment provides a camera washing apparatus including a housing, an image pickup structure 3, and a driving structure. Wherein, the casing has the inner chamber, has field of vision hole 111 and the nozzle 2 that can spray washing liquid and clean air on one of them curb plate of casing from top to bottom set gradually. The camera structure 3 is disposed in the inner cavity, and the camera structure 3 includes a fixing member 31 and at least two cameras 32 installed in the fixing member 31. Specifically, in the present embodiment, two cameras 32 are provided, but in other embodiments, the number of cameras 32 may also be three or more according to actual needs. The driving structure can drive the fixing member 31 to rotate so that one of the cameras 32 is aligned with the view hole 111 and the other camera 32 is aligned with the nozzle 2.

It can be understood that, through setting up two at least cameras 32, and camera 32 all installs in mounting 31, rotate through drive structure drive mounting 31 and adjust just to the camera 2 of field of vision hole 111, and the abluent camera 32 of needs then washs through nozzle 2, compare prior art, make the vehicle can be before the start-up with the adjustment and the washing of the camera 32 position of carrying out after the start, guarantee that the vehicle is gone safely, and camera 32's cleaning process goes on in the casing, avoid external environment's influence, improve the cleaning performance.

Specifically, as shown in fig. 1, in the present embodiment, the housing includes an upper housing 11 and a lower housing 12, and the upper housing 11 and the lower housing 12 are connected to form the inner cavity. The visual field hole 111 is provided in the upper case 11, and the nozzle 2 is provided in the lower case 12. Further, in the present embodiment, the upper case 11 and the lower case 12 are connected by bolts and nuts, so that the upper case 11 and the lower case 12 are detachable, facilitating the mounting and dismounting of the image pickup structure 3.

As shown in fig. 1, in the present embodiment, the fixing member 31 is a cylindrical structure, and a plurality of mounting holes 311 extending along the axial direction of the cylindrical structure are formed in the cylindrical structure for mounting the camera head 32, and when the camera head 32 is mounted in the corresponding mounting hole 311, the lens of the camera head 32 protrudes from the surface of the fixing member 31 on the side facing the view hole 111.

Referring to fig. 1 again, the driving structure includes a driving motor 41 and a rotating shaft 42, the rotating shaft 42 penetrates through the fixing member 31 and is connected to the fixing member 31, and the rotating shaft 42 is connected to an output shaft of the driving motor 41, so that the driving motor 41 can drive the fixing member 31 to rotate through the rotating shaft 42. Specifically, the drive motor 41 is located outside the inner cavity, and the rotating shaft 42 is located inside the inner cavity. Note that, in order to avoid the connecting lines of the two cameras 32 from being entangled with each other, in the present embodiment, the driving motor 41 is rotated back and forth by an angle of 180 ° for each rotation.

In order to make the rotating shaft 42 rotate stably, two bearings 43 are provided on the rotating shaft 42 at an interval. Further, in the axial direction of the rotating shaft 42, two opposite side plates of the upper housing 11 are respectively provided with a first protrusion 114 and a second protrusion 115, the first protrusion 114 and the second protrusion 115 both have a first accommodating cavity, and the first protrusion 114 and the view hole 111 are disposed on the same side plate. A third protrusion 126 and a fourth protrusion 127 are respectively arranged on two opposite side plates of the lower shell 12, the third protrusion 126 and the fourth protrusion 127 are both provided with a second accommodating cavity, and the third protrusion 126 and the nozzle 2 are arranged on the same side plate. After the upper housing 11 and the lower housing 12 are connected, the first protrusion 114 and the third protrusion 126 are butted, the second protrusion 115 and the fourth protrusion 127 are butted, the accommodating cavity of the first protrusion 114 and the accommodating cavity of the third protrusion 126 jointly form a bearing cavity capable of accommodating one bearing 43, and the accommodating cavity of the second protrusion 115 and the accommodating cavity of the fourth protrusion 127 jointly form a bearing cavity capable of accommodating another bearing 43.

Further, the camera cleaning device further comprises a first wiping structure 14 arranged in the inner cavity, the first wiping structure 14 is located between the nozzle 2 and the view hole 111, the first wiping structure 14 abuts against one surface, facing the view hole 111, of the fixing member 31, and the first wiping structure 14 can wipe the lens surface of the camera 32 when the fixing member 31 rotates. It can be understood that, by providing the first wiping structure 14, not only the lens surface of the camera head 32 can be wiped when the fixing member 31 rotates, so as to improve the cleanliness of the camera head 32, but also the first wiping structure 14 abuts against the fixing member 31, so as to prevent the cleaning liquid splashed when the nozzle 2 sprays the cleaning liquid to the corresponding camera head 32 from entering the space above.

As shown in fig. 1 and 2, the first wiping structure 14 is a first strip of resilient adhesive. In order to fix the first adhesive tape, the lower housing 12 has a supporting step 124 and a second supporting plate 123, the second supporting plate 123 is disposed on the supporting step 124, a second engaging groove is formed between the second supporting plate 123 and the inner wall of the supporting step 124, a part of the first adhesive tape is engaged in the second engaging groove, and another part of the first adhesive tape is engaged with the second supporting plate 123 and interposed between the upper housing 11 and the lower housing 12. Specifically, as shown in fig. 2, the second support plate 123 includes a first portion, a second portion and a third portion, which are integrally disposed, and the third portion is located between the first portion and the second portion, wherein the first portion and the third portion are both strip-shaped plate-shaped structures, the third portion is disposed around the third protrusion 126 structure, and the third portion is an arc-shaped plate-shaped structure. Correspondingly, as shown in fig. 1, the first adhesive tape includes a fourth portion, a fifth portion and a sixth portion, which are integrally disposed, where the fourth portion and the sixth portion are both in an "L" structure, and the fifth portion is sandwiched between the third portion and the third protrusion 126.

As shown in fig. 2, the bottom plate of the housing is provided with a water discharge hole 121, a first water baffle 122 is arranged on the bottom plate of the housing, a cleaning cavity is defined between the first water baffle 122, the first wiping structure 14, the fixing member 31 and the housing, and the nozzle 2 is located in the cleaning cavity. The other side plate of the housing opposite to the side plate provided with the visual field hole 111 is provided with a wiring hole 125 through which a connection harness of the camera 32 passes. Specifically, in the present embodiment, the drain hole 121 and the first water guard 122 are provided on the bottom plate of the lower housing 12. The wiring hole 125 is provided on the other side plate of the lower case 12 opposite to the side plate on which the nozzle 2 is provided. The first wiping structure 14 and the first water guard plate 122 can block the splashed washing liquid. Further, in the embodiment, two first water baffles 122 are arranged on the bottom plate of the lower shell 12 at intervals along the axial direction of the fixing member 31, wherein a backflow hole is formed on one first water baffle 122 relatively close to the drainage hole 121, and of course, in other embodiments, the number of the first water baffles 122 may also be three or more according to actual needs. Through setting up a plurality of first breakwaters 122, can improve the effect that blocks to the washing liquid, avoid the washing liquid to lead to the circuit short circuit of camera 32. By providing the backflow hole, the cleaning liquid passing over the first water baffle 122 can flow back into the cleaning cavity conveniently.

Further, the camera cleaning device further comprises a second wiping structure 13 arranged in the inner cavity, the second wiping structure 13 is located between the view hole 111 and the first wiping structure 14 and abuts against one surface, facing the view hole 111, of the fixing member 31, and the second wiping structure 13 can wipe the lens surface of the camera 32 when the fixing member 31 rotates. It can be understood that, through the arrangement of the second wiping structure 13, not only the lens surface of the camera 32 can be wiped when the fixing member 31 rotates, so as to improve the cleanliness of the camera 32, but also a part of dust and rainwater entering the inner cavity from the view hole 111 can be blocked because the second wiping structure 13 abuts against the fixing member 31, so as to prevent the dust and the rainwater from entering the space below.

Specifically, as shown in fig. 1, the second wiping structure 13 is a second rubber strip with elasticity. In order to fix the second adhesive tape, the upper housing 11 has two first supporting plates 113 disposed oppositely, and a first engaging groove is formed between the two supporting plates 113 disposed oppositely, and the first adhesive tape is engaged with the first engaging groove. In addition, in order to avoid the first protrusion 114, two first support plates 113 are provided with avoiding holes.

As shown in fig. 3, two second water baffles 112 are arranged in the upper housing 11 along the axial direction of the fixing member 31. A second water stop 112 relatively close to the viewing hole 111 forms a viewing cavity with the upper housing 11, the fixing member 31 and the second wiping structure 13. By providing the second water blocking plate 112, dust and rainwater entering the visual field chamber through the visual field hole 111 can be blocked. Specifically, in the present embodiment, two second water baffles 112 and two first water baffles 122 are disposed in a one-to-one correspondence, and the first water baffles 122 and the second water baffles 112 each have an arc-shaped surface matched with the fixing member 31.

As shown in fig. 1, the camera washing device further includes a controller 5. The controller 5 is connected to the drive motor 41 and the camera head 32. Specifically, the camera cleaning device further comprises a mounting housing 6, the controller 5 is mounted in the mounting housing 6, and the mounting housing 6 is connected to the housing. The drive motor 41 is mounted on the mounting case 6. Further, in order to protect the driving motor 41, the camera washing device further includes a motor cover 7, and the motor cover 7 is connected to the mounting housing 6 and covers the driving motor 41.

The present embodiment further provides a control method of a camera cleaning apparatus, which is suitable for the camera cleaning apparatus, when one camera 32 of the two cameras 32 of the camera structure 3 is aligned with the view hole 111, the other camera 32 is aligned with the nozzle 2. Before the vehicle starts, the control method of the camera washing device comprises the following steps:

s11, judging whether the camera 32 facing the view hole 111 can shoot clearly, if so, executing S12; if not, go to S14;

s12, sending a signal for allowing the vehicle to run at a first preset speed, judging whether the camera 32 facing the nozzle 2 can shoot clearly, if so, sending a signal for allowing the vehicle to run at a second preset speed, wherein the second preset speed is greater than the first preset speed; if not, go to S13;

s13, controlling the nozzle 2 to clean the camera 32 facing the nozzle, judging whether the camera 32 can clearly shoot or not after the cleaning is finished, if so, sending a signal for allowing the vehicle to run at a second preset speed, and if not, giving an alarm to control the vehicle to stop moving;

s14, determining whether the camera 32 facing the nozzle 2 can shoot clearly, if yes, controlling the driving structure to rotate the camera 32 to face the view hole 111, and returning to S12; if not, sending a signal for prohibiting the vehicle from starting, and executing S15;

s15, controlling the nozzle 2 to clean the camera right opposite to the nozzle 2, judging whether the camera 32 right opposite to the nozzle 2 can shoot clearly after cleaning is finished, if so, controlling the driving structure to drive the fixing piece 31 to rotate, enabling the camera 32 capable of shooting clearly to be right opposite to the visual field hole 111, and returning to S12; if not, alarming.

For convenience of description, the two cameras 32 are defined as a first camera and a second camera, respectively, the first camera being directed toward the sight hole 111 and the second camera being directed toward the nozzle 2 before the vehicle is started. It can be understood that, before the vehicle starts, it is first determined whether the first camera can clearly shoot, if the first camera can clearly shoot, it is indicated that the first camera can normally operate, and at this time, a signal allowing the vehicle to run at a first preset speed is sent, that is, the vehicle can start at this time and run at the first preset speed. And still need to judge whether the second camera can clearly shoot, if the second camera can clearly shoot, explain that the second camera also can normally work, send the signal that allows the vehicle to travel with the second preset speed this moment, the second preset speed is greater than first preset speed, in this embodiment, the second preset speed is the speed when the vehicle normally travels, and first preset speed and second preset speed all can set up according to actual need. If the second camera can not clearly shoot, it indicates that the second camera needs to be cleaned, and at the moment, the control nozzle 2 firstly sprays cleaning liquid to the second camera and then sprays clean air to clean the second camera. Then, after the second camera is cleaned, judging whether the second camera can clearly shoot again, if so, indicating that the second camera is cleaned, and sending a signal for allowing the vehicle to run at a second preset speed; if not, the second camera cannot clearly shoot after the cleaning, at the moment, an alarm is given and the vehicle is controlled to stop moving so as to remind an operator that the second camera has a fault.

If before the vehicle starts, first camera can not clearly shoot, shows that first camera needs to wash. Whether the second camera can clearly shoot is judged afterwards, if the second camera can clearly shoot, then control drive structure drive mounting 31 and rotate for the second camera rotates to just to field of vision hole 111, and first camera is just to nozzle 2, returns to S12 afterwards, and the camera of judging whether can clearly shoot this moment then is the second camera. If the second camera cannot shoot clearly, a signal for forbidding the starting of the vehicle is sent, and the nozzle 2 is controlled to clean the second camera. After the washing is accomplished, judge whether the second camera can clearly shoot, if, then control drive structure and drive mounting 31 and rotate for the second camera is just to sight 111, and return to S12, and it can be understood that, the camera of judging whether can clearly shoot this moment then is the second camera. If wash the completion back, the second camera still can not clearly shoot, then reports to the police to remind the operating personnel, there is the trouble in the second camera.

Further, the control method of the camera cleaning device further comprises the following steps: after the vehicle is started, judging whether the camera 32 facing the sight hole 111 can shoot clearly in real time, and when the camera 32 can shoot clearly, driving the vehicle at a second preset speed; when the camera 32 can not shoot clearly, the control driving structure drives the fixing part 31 to rotate, so that the camera 32 facing the nozzle 2 rotates to face the visual field hole 111, and then the nozzle 2 is controlled to clean the camera 32 facing the nozzle. It can be understood that after the vehicle is started, whether the camera 32 facing the view hole 111 can clearly shoot or not is judged in real time, and when the camera 32 cannot clearly shoot, the position of the camera 32 is adjusted and the camera 32 is cleaned, so that the vehicle can safely run.

The embodiment also provides a vehicle comprising the camera cleaning equipment.

The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A camera cleaning apparatus, comprising:

the cleaning device comprises a shell, a cleaning liquid spraying device and a cleaning air spraying device, wherein the shell is provided with an inner cavity, and a visual field hole (111) and a nozzle (2) capable of spraying cleaning liquid and cleaning air are sequentially arranged on one side plate of the shell from top to bottom;

the camera shooting structure (3) is arranged in the inner cavity, and the camera shooting structure (3) comprises a fixing piece (31) and at least two cameras (32) which are arranged in the fixing piece (31);

the driving structure is configured to drive the fixing piece (31) to rotate, so that one camera (32) faces the view hole (111) and the other camera (32) faces the nozzle (2);

the camera cleaning device further comprises a first wiping structure (14) arranged in the inner cavity, the first wiping structure (14) is located between the view hole (111) and the nozzle (2), the first wiping structure (14) abuts against one surface, facing the view hole (111), of the fixing piece (31), and the first wiping structure (14) is configured to wipe the lens surface of the camera (32) when the fixing piece (31) rotates;

a drain hole (121) is formed in the bottom plate of the shell, a first water baffle (122) is arranged on the bottom plate of the shell, a cleaning cavity is formed by the first water baffle (122), the first wiping structure (14), the fixing piece (31) and the shell in an enclosing mode, and the nozzle (2) is located in the cleaning cavity.

2. The camera washing device according to claim 1, wherein a plurality of first water baffles (122) are arranged on a bottom plate of the housing at intervals along an axial direction of the fixing member (31), the plurality of first water baffles (122) have different distances from the drain hole (121), and a backflow hole is formed in the first water baffle (122) closest to the drain hole (121).

3. The camera washing device according to claim 1, further comprising a second wiping structure (13) disposed in the inner cavity, wherein the second wiping structure (13) is located between the view hole (111) and the first wiping structure (14) and abuts against a surface of the fixing member (31) facing the view hole (111), and the second wiping structure (13) is configured to wipe a lens surface of the camera (32) when the fixing member (31) rotates.

4. The camera washing device according to claim 1, wherein the fixing member (31) is a cylindrical structure, the cylindrical structure is provided with a plurality of mounting holes (311) extending along an axial direction of the cylindrical structure and used for mounting the camera (32), and when the camera (32) is mounted in the corresponding mounting hole (311), a lens of the camera (32) protrudes from a surface of a side of the fixing member (31) facing the view hole (111).

5. The camera washing device according to claim 1, wherein the driving structure comprises a driving motor (41) and a rotating shaft (42), the rotating shaft (42) is inserted into the fixing member (31) and connected to the fixing member (31), and the rotating shaft (42) is connected to an output shaft of the driving motor (41).

6. A control method for a camera washing device, which is applied to the camera washing device according to any one of claims 1 to 5, wherein the camera structure includes two cameras, one of which is aligned with the sight hole and the other is aligned with the nozzle, and the control method for the camera washing device includes:

7. The control method of the camera washing device according to claim 6, further comprising: after the vehicle is started, judging whether a camera right opposite to the sight hole can clearly shoot or not in real time, if so, driving the vehicle at a second preset speed; if not, then control drive structure drives the mounting and rotates for just rotating to just being directed against the field of vision hole to the camera of nozzle, control nozzle is just right afterwards and is washd its camera.

8. A vehicle, characterized by comprising the camera washing device according to any one of claims 1 to 5.