Wipers for cameras, cameras

By setting a high-speed rotating lens in front of the camera lens and combining it with an anti-fog film, a waterproof film and motor speed control, the problem of photographic imaging in extreme weather conditions is solved, effectively preventing foreign objects from affecting imaging, reducing energy consumption and extending equipment life.

CN113305123BActive Publication Date: 2025-09-30卢晟
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Patent Information

Application Number
CN202110597854.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-05-31
Publication Date
2025-09-30
Estimated Expiration
2041-05-31

AI Technical Summary

Technical Problem

Foreign objects such as raindrops, snowflakes and blowing sand in extreme weather affect photographic imaging, and existing technologies have failed to effectively solve this problem.

Method used

A high-speed rotating lens is set in front of the camera lens, and centrifugal force is used to rotate falling raindrops, snowflakes or blowing sand out of the lens range. Anti-fog and waterproof films are used to reduce the surface tension of the lens. Combined with motor speed control and air vent design, foreign objects are prevented from affecting the imaging.

Benefits of technology

It effectively prevents raindrops, snowflakes or blowing sand from affecting the shooting effect, reduces the generation of fog and water vapor on the lens surface, saves power, extends the life of the device, and prevents foreign objects from splashing.

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Abstract

The present invention relates to the technical field of photographic equipment, and more particularly to a windshield wiper for a camera and a camera. The windshield wiper for a camera includes a mounting box, a rotary drive mechanism and a lens clamping mechanism disposed on the mounting box, and a rotating lens mounted on the lens clamping mechanism. The rotary drive mechanism includes a motor disposed on the mounting box, a first gear disposed on the motor output shaft, a second gear connected to the first gear via a transmission structure, and a rotating wheel coaxial with the second gear. The lens clamping mechanism includes a fixed frame and a plurality of auxiliary fixed wheels disposed on the fixed frame. The rotating lens is clamped between the rotating wheel and each of the auxiliary fixed wheels. The centrifugal force generated by the high-speed rotation of the lens drives raindrops, snowflakes, or blowing sand that fall on the lens out of the lens range, thereby preventing the camera from imaging being affected by raindrops, snowflakes, or blowing sand.
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Description

Technical Field

[0001] The present invention relates to the technical field of photographic equipment, and in particular to a windshield wiper for a camera and the camera. Background Art

[0002] Extreme weather conditions such as rain, snow, and blowing sand affect photographic imaging due to low light levels and the resulting falling raindrops, snowflakes, and dust particles. While recent advances in photography and image recognition have largely resolved the issue of low light levels, the problem of raindrops, snowflakes, and dust dripping onto the camera lens, affecting the field of view or the captured image, remains a challenge. Summary of the Invention

[0003] In order to solve the above technical problems, the present application aims to propose a wiper and a camera for a camera, in which a high-speed rotating lens is arranged in front of the camera lens. The centrifugal force generated by the high-speed rotation of the lens is used to rotate raindrops, snowflakes or blowing sand that fall on the lens out of the lens range, so that the imaging of the camera is not affected by raindrops, snowflakes or blowing sand.

[0004] The technical solutions of the present invention are as follows:

[0005] One aspect of the present invention provides a wiper for a camera, comprising a mounting box, a rotating drive mechanism and a lens clamping mechanism placed on the mounting box, and a rotating lens mounted on the lens clamping mechanism; the rotating drive mechanism comprises a first gear placed in the mounting box for transmission connection with a motor output shaft, a second gear connected to the first gear via a transmission structure, and a rotating wheel coaxial with the second gear; the lens clamping mechanism comprises a fixed frame and a plurality of auxiliary fixed wheels placed on the fixed frame; the rotating lens is clamped between the rotating wheel and each of the auxiliary fixed wheels, and the side edges of the rotating wheel and the side edges of each of the auxiliary fixed wheels are respectively connected to the side edges of the rotating lens.

[0006] Furthermore, the rotating lens includes a lens body, and an anti-fog film is provided on the inner mirror surface of the lens body.

[0007] Furthermore, the outer mirror surface of the lens body is covered with a waterproof film.

[0008] Furthermore, the sides of the auxiliary fixing wheel and the rotating wheel are both provided with accommodating grooves; the side of the rotating lens is placed in the accommodating groove and is frictionally connected to the bottom of the accommodating groove.

[0009] Furthermore, an elastic pad is provided at the bottom of each accommodating groove; and the side edge of the rotating lens is pressed against the elastic pad.

[0010] Furthermore, the rotation drive mechanism also includes a swing arm, a shock-absorbing spring arm and a drive shaft; the second gear and the rotating wheel are both arranged on the drive shaft; one end of the swing arm is sleeved on the drive shaft, and the other end of the swing arm is sleeved on the mounting column of the mounting box; one end of the shock-absorbing spring arm is fixedly connected to the mounting box, and the other end of the shock-absorbing spring arm is fixedly connected to the corresponding swing arm; the angle between the axis of the drive shaft and the plane where the axis of the output shaft of the motor is located and the plane where the center line of the swing arm is located is greater than 100°.

[0011] Furthermore, it also includes a motor placed in the installation box and a speed controller electrically connected to the motor.

[0012] Furthermore, it also includes a power supply for supplying power to the motor.

[0013] Furthermore, the fixed frame is provided with a lens accommodating ring for accommodating the rotating lens, and a rotating wheel rim for accommodating the rotating wheel, and the lens accommodating ring is connected to the rotating wheel rim; each of the auxiliary fixed wheels is arranged along the circumference of the lens accommodating ring; the rotating wheel rim cover of the fixed frame is provided on a port of the mounting box; the rotating wheel is placed in the rotating wheel rim and is transmission-connected to the rotating lens placed in the lens accommodating ring.

[0014] Furthermore, a ventilation hole for communicating air inside and outside the installation box is provided on the lower side wall of the installation box.

[0015] Furthermore, the fixed frame includes a lower frame and a cover plate covering the lower frame; each of the auxiliary fixed wheels is installed between the lower frame and the cover plate; the lower frame is also provided with a water guide groove for allowing water vapor at the auxiliary fixed wheel to flow out of the fixed frame.

[0016] Furthermore, there are four auxiliary fixing wheels, and the auxiliary fixing wheels are symmetrically distributed on the fixing frame.

[0017] Furthermore, the transmission ratio between the first gear and the second gear is (16-20): (9-13); the transmission ratio between the rotating wheel and the rotating lens is (66-70): (125-129).

[0018] Furthermore, the transmission ratio between the first gear and the second gear is 18:11; the transmission ratio between the rotating wheel and the lens rotation is 68:127.

[0019] Furthermore, the transmission structure is a belt or a transmission chain.

[0020] Another aspect of the present invention provides a camera, comprising any one of the wipers for a camera as described above.

[0021] Compared with the prior art, the wiper for a camera and the camera provided by the present invention have the following beneficial effects:

[0022] 1. A windshield wiper for a camera according to the present invention comprises a mounting box, a rotary drive mechanism and a lens holding mechanism disposed on the mounting box, and a rotating lens mounted on the lens holding mechanism; the rotary drive mechanism comprises a first gear disposed within the mounting box and connected to a motor output shaft, a second gear connected to the first gear via a transmission structure, and a rotating wheel coaxial with the second gear; the lens holding mechanism comprises a fixed frame and a plurality of auxiliary fixing wheels disposed on the fixed frame; the rotating lens is clamped between the rotating wheel and the auxiliary fixing wheels, with side edges of the rotary wheel and the auxiliary fixing wheels respectively contacting side edges of the rotating lens; the rotary drive mechanism enables the rotating lens to rotate at high speed, and when foreign matter such as raindrops falls onto the outer surface of the rotating lens, it is subjected to centrifugal force and rotates out of the range of the rotating lens, thereby preventing raindrops, snowflakes, or blowing sand from affecting photography.

[0023] 2. The present invention provides a windshield wiper for a camera, comprising a rotating lens and a lens body, an anti-fog film disposed on the inner surface of the lens body, and a waterproof film disposed on the outer surface of the lens body. The anti-fog film on the inner surface reduces the likelihood of fogging on the inner surface of the lens, thereby affecting the camera's image quality, thereby, to a certain extent, preventing the camera from affecting the image quality. To further eliminate the impact of the rotating lens on the image quality and enhance the waterproof effect, a waterproof film is disposed on the outer surface of the lens body. This waterproof film not only reduces the surface tension of the lens, thereby enhancing the protection against raindrops and snowflakes clinging to the lens, but also reduces the required lens rotation speed while achieving the same waterproof and snowproof effect. The reduced rotation speed reduces the heat generated by air friction, lowering the temperature in the space between the lens and the camera lens, further reducing the likelihood of water vapor in the air in this space atomizing onto the lens surface, effectively preventing the rotating lens from affecting the image quality.

[0024] 3. The windshield wiper for a camera provided by the present invention also includes a motor housed within the mounting box and a speed controller electrically connected to the motor. The speed controller adjusts the speed of the motor's output shaft, thereby controlling the rotational speed of the rotating mirror. In heavy rain, snow, and dust, the rotating mirror can be rotated at a higher speed to prevent foreign matter from getting caught on the rotating mirror and achieve better photographic results. In lighter rain, snow, and dust, a lower speed can be used, saving power and minimizing wear on components such as the motor.

[0025] 4. The windshield wiper provided by the present invention for a camera utilizes a design in which a ventilation hole is provided on the lower side wall of the mounting box to communicate with the air inside and outside the mounting box. Heat generated by the motor, rotating wheel, etc. can be promptly exchanged with the outside air, preventing the temperature inside the waterproof membrane from being too high, which would affect the service life of the motor, etc.

[0026] 5. The windshield wiper for a camera provided by the present invention comprises a fixed frame comprising a lower frame and a cover plate covering the lower frame; each of the auxiliary fixing wheels is mounted between the lower frame and the cover plate; the lower frame is further provided with a water guide groove for allowing water vapor from the auxiliary fixing wheels to flow out of the fixed frame; foreign matter such as water vapor swirled out of the rotating lens can be discharged out of the fixed frame along the water guide groove, thereby preventing foreign matter from accumulating in the fixed frame. Moreover, the cover plate covering the lower frame makes the water guide groove present a relatively sealed tubular state, so that foreign matter does not splash around when it flows out, but flows out at a predetermined outlet, effectively preventing foreign matter from splashing onto the front of the camera or the photographer, etc., causing trouble to the photographer. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings described herein are used to provide a further understanding of the present invention, constitute a part of this application, and do not constitute a limitation of the present invention.

[0028] Figure 1 A front view (front view) of a wiper for a camera according to the present invention is shown;

[0029] Figure 2 A schematic diagram showing the assembly of a rotating lens and a fixed frame of a wiper for a camera according to the present invention is shown;

[0030] Figure 3 A schematic structural diagram (sectional view) showing an auxiliary fixing wheel for a windshield wiper of a camera according to the present invention is shown;

[0031] Figure 4 A schematic diagram showing the internal structure of the wiper for a camera of the present invention (a front view of the wiper for a camera with the cover removed);

[0032] Figure 5 A schematic structural diagram showing a rotary drive mechanism of a wiper for a camera according to the present invention (a rear view of the wiper for a camera with the mounting box cover removed);

[0033] Figure 6 A schematic structural diagram of a rotary drive mechanism for a wiper of a camera according to the present invention is shown;

[0034] Figure 7 A front view showing a rotating lens of a wiper for a camera according to the present invention;

[0035] Figure 8 A schematic diagram showing the structure of a rotating lens of a wiper for a camera according to the present invention ( Figure 7 AA cross-sectional view);

[0036] Description of reference numerals:

[0037] 1-rotating lens, 111-inner lens, 112-inner antireflection layer, 113-outer antireflection layer, 12-antifog film, 13-waterproof film;

[0038] 2-mounting box, 201-mounting column, 202-vent hole, 203-mounting box cover, 204-shock absorber arm mounting hole;

[0039] 3-rotation drive mechanism, 301-motor, 302-first gear, 303-second gear, 304-drive shaft, 311-rotating wheel, 321-swing arm, 322-shock-absorbing spring arm, 3211-mounting hole;

[0040] 4 - lens clamping mechanism, 401 - fixed frame, 402 - lower frame, 403 - cover plate, 404 - water guide groove, 411 - auxiliary fixed wheel, 412 - first accommodating groove, 413 - first elastic pad; 421 - lens accommodating ring, 422 - rotating wheel ring;

[0041] 501-speed controller, 502-power supply. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments and the accompanying drawings. Here, the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but are not intended to limit the present invention.

[0043] It should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, the accompanying drawings only show structures and / or processing steps closely related to the solutions according to the present invention, while other details that are not closely related to the present invention are omitted.

[0044] It should be emphasized that the term "include / comprises" when used herein refers to the existence of features, elements, steps or components, but does not exclude the existence or addition of one or more other features, elements, steps or components.

[0045] It should also be noted here that, unless there is any conflict, the embodiments and features in the embodiments of this application can be combined with each other.

[0046] Figures 1 to 6The present invention is a schematic structural diagram of a windshield wiper for a camera. This invention addresses the problem that when existing cameras and other cameras are used in inclement weather, foreign objects such as rain, snow, and blowing sand easily fall onto the lens of the camera, thereby affecting the shooting effect. The windshield wiper for a camera provided by this invention, when in use, covers the lens with a rotating lens. The rotating lens rotates at high speed to rotate foreign objects out of the lens's field of view, effectively preventing foreign objects from affecting the shooting image.

[0047] like Figures 1 to 6 As shown, the wiper for a camera provided in this embodiment includes a mounting box 2, a rotating drive mechanism 3 and a lens clamping mechanism 4 placed on the mounting box 2, and a rotating lens 1 mounted on the lens clamping mechanism 4; the rotating drive mechanism includes a first gear 302 placed in the mounting box 2 for transmission connection with the output shaft of a motor 301, a first gear 302 provided on the output shaft of the motor, a second gear 303 connected to the first gear 302 through a transmission structure, and a rotating wheel 311 coaxial with the second gear 303; the first gear is sleeved on the output shaft of the motor 301; the lens clamping mechanism includes a fixed frame 401 and a plurality of auxiliary fixing wheels 411 placed on the fixed frame; the rotating lens is clamped between the rotating wheel and each of the auxiliary fixing wheels, and the side edges of the rotating wheel and the side edges of each of the auxiliary fixing wheels are respectively connected to the side edges of the rotating lens.

[0048] The wiper for a camera provided by the present invention comprises a mounting box, a rotary drive mechanism and a lens clamping mechanism placed on the mounting box, and a rotating lens mounted on the lens clamping mechanism; the rotary drive mechanism comprises a first gear placed in the mounting box for transmission connection with a motor output shaft, a second gear connected to the first gear via a transmission structure, and a rotating wheel coaxial with the second gear; the lens clamping mechanism comprises a fixed frame and a plurality of auxiliary fixing wheels placed on the fixed frame; the rotating lens is clamped between the rotating wheel and each of the auxiliary fixing wheels, and the side edges of the rotating wheel and the side edges of each of the auxiliary fixing wheels are respectively connected to the side edges of the rotating lens; the rotary drive mechanism enables the rotating lens to rotate at high speed, and when foreign matter such as raindrops falls onto the outer surface of the rotating lens, it is subjected to the action of centrifugal force and will rotate out of the range of the rotating lens, thereby preventing raindrops, snowflakes or blowing sand from affecting shooting.

[0049] The transmission structure in this embodiment is a belt, but a transmission chain can also be selected as the transmission structure. Using a transmission chain, a belt, etc. to realize transmission between gears is a prior art and will not be described in detail here.

[0050] like Figures 1 to 2 、 Figures 4 and 5 and Figures 7 and 8As shown, the rotating lens in this embodiment includes a lens body, an inner mirror surface of the lens body 1 is provided with an anti-fog film 12. The outer mirror surface of the lens body is covered with a waterproof film 13.

[0051] The present invention provides a windshield wiper for a camera, comprising a rotating lens and a lens body, an anti-fog film disposed on the inner surface of the lens body, and a waterproof film disposed on the outer surface of the lens body. The anti-fog film on the inner surface reduces the likelihood of fogging on the inner surface of the lens, thereby affecting the camera's image quality, thereby preventing, to a certain extent, the camera's image quality from being affected. To further eliminate the impact of the rotating lens on imaging and enhance the waterproofing effect, a waterproof film is disposed on the outer surface of the lens body. This waterproof film not only reduces the surface tension of the lens, thereby enhancing the ability to prevent raindrops or snowflakes from accumulating on the lens, but also allows the wiper, equipped with the waterproof film on the outer surface of the lens, to operate at a lower rotational speed than conventional wipers, while maintaining the desired waterproof and snowproof properties. This reduced rotational speed reduces the heat generated between the lens and the camera lens, further preventing fog from accumulating on the lens surface. Furthermore, the reduced rotational speed reduces the energy consumed by the wiper, reducing wear and tear on the wiper, effectively reducing energy consumption and extending its lifespan.

[0052] The surface contact angle of the waterproof film of the present invention is greater than 110°; the surface contact angle of the anti-fog film is less than 10°.

[0053] like Figures 6 and 7 As shown, in this embodiment, the waterproof film is in the form of a film covering the outer mirror surface of the lens body; this complete coverage method can eliminate the waterproof blind spots on the surface of the lens body, achieving a comprehensive and effective waterproof effect. The anti-fog film is in the form of a film covering the inner mirror surface of the lens.

[0054] The anti-fog film described in the present invention comprises silicon dioxide and titanium. Using silicon dioxide and titanium to form a film material, which is then applied to an object's surface to reduce the contact angle of the object's surface, is known in the art. Those skilled in the art can adjust the film material ratio and whether to add other materials based on actual needs, and this will not be discussed in detail here. The waterproof film is primarily composed of an organic solvent. Using organic solvents to form a film material and then forming a waterproof film on an object's surface is known in the art and will not be discussed in detail here.

[0055] As shown in FIG7 , the lens body in this embodiment includes an inner lens 111 and an inner antireflection layer 112 covering the inner surface of the inner lens 111; the anti-fog film 12 is in a film-like shape and covers the inner antireflection layer 112. The lens body also includes an outer antireflection layer 113 covering the outer surface of the inner lens 111; the waterproof film is in a film-like shape and covers the outer antireflection layer.

[0056] Both the inner and outer antireflection layers of the present invention can reduce reflected light to increase light transmittance through the lens, minimizing the lens's impact on camera imaging. In this embodiment, the inner and outer antireflection layers are disposed on the inner and outer surfaces of the inner lens, respectively, to achieve optimal light transmission. Alternatively, the inner antireflection layer can be disposed only on the inner surface of the inner lens, or only on the outer surface of the inner lens. These choices are made by those skilled in the art based on practical needs and will not be elaborated upon here.

[0057] like Figure 3 As shown, in this embodiment, the sides of the auxiliary fixing wheel 411 and the rotating wheel 311 are both provided with a receiving groove; the side of the rotating lens is placed in the receiving groove and is frictionally connected to the bottom of the receiving groove. The receiving groove on the auxiliary fixing wheel is a first receiving groove 412, and the receiving groove on the rotating wheel is a second receiving groove (not shown in the figure). The width of the first receiving groove and the second receiving groove are both greater than the thickness of the rotating lens. The bottom of each receiving groove is provided with an elastic pad; the side of the rotating lens is pressed against the elastic pad. The annular first elastic pad 413 is mounted on the side of the auxiliary fixing wheel and is in close contact with the bottom of the first receiving groove; the annular second elastic pad (not shown in the figure) is mounted on the side of the rotating wheel and is in close contact with the bottom of the second receiving groove.

[0058] like Figures 5 and 6 As shown, the rotary drive mechanism 3 in this embodiment also includes a swing arm 321, a shock-absorbing spring arm 322 and a drive shaft 304; the second gear 303 and the rotating wheel 311 are both arranged on the drive shaft; one end of the swing arm is sleeved on the drive shaft, and the other end of the swing arm is sleeved on the mounting column 201 of the mounting box; one end of the shock-absorbing spring arm is fixedly connected to the mounting box, and the other end of the shock-absorbing spring arm is correspondingly connected to the swing arm; the angle between the plane where the axis of the drive shaft and the axis of the output shaft of the motor are located and the plane where the center line of the swing arm is located is greater than 100°. In this embodiment, the spring end of the shock-absorbing spring arm is welded to the swing arm. Of course, those skilled in the art can also choose other ways to connect the spring end of the shock-absorbing spring arm to the swing arm, which will not be described in detail here.

[0059] like Figures 5 and 6As shown, in this embodiment, both ends of the swing arm are provided with through holes (not shown in the figure), and the apertures of the two through holes match the outer diameter of the drive shaft 304 and the outer diameter of the mounting column respectively; the mounting column 201 in this embodiment is a threaded column screwed on the mounting box. Of course, the mounting column can also be a cylinder integrally provided with the mounting box. The shock-absorbing spring arm is fixedly connected to the middle part of the swing arm. The second gear and the rotating wheel are respectively provided at the upper and lower parts of the drive shaft, and the connection between the swing arm and the drive shaft is disposed between the second gear and the rotating wheel. The shock-absorbing spring arm passes through the shock-absorbing arm mounting hole 204 on the upper part of the mounting box and is fixedly connected to the middle part of the swing arm.

[0060] like Figure 5 As shown, this embodiment also includes a motor 301 placed in the mounting box and a speed controller 501 electrically connected to the motor 301. The speed controller includes a speed input module and a control module, the speed control module being electrically connected to the control module, which in turn is electrically connected to the motor. A power supply 502 is also included to power the motor. In this embodiment, the motor is a continuously variable speed motor, and the power supply is a five-pin power supply.

[0061] The windshield wiper for a camera provided by the present invention also includes a motor housed within the mounting box and a speed controller electrically connected to the motor. The speed controller adjusts the speed of the motor's output shaft, thereby controlling the speed of the rotating lens. When heavy rain, snow, and dust are present, the rotating lens can be rotated at a higher speed to prevent foreign matter from getting caught on the rotating lens and achieve better photographic results. When light rain, snow, and dust are present, a lower speed can be used, saving power and reducing wear on components such as the motor.

[0062] like Figures 1 to 2 and Figures 4 to 6 As shown, in this embodiment, the fixed frame is provided with a lens accommodating ring 421 for accommodating the rotating lens, and a rotating wheel rim 422 for accommodating the rotating wheel, the lens accommodating ring being connected to the rotating wheel rim. Each auxiliary fixed wheel 411 is arranged circumferentially along the lens accommodating ring. The rotating wheel rim 422 of the fixed frame is covered on a port of the mounting box. The motor, the first gear, the transmission structure, the second gear, the swing arm, the shock-absorbing spring arm, and the drive shaft are all located within the mounting box. The rotating wheel is located within the rotating wheel rim and is in transmission connection with the rotating lens located within the lens accommodating ring. There are four auxiliary fixed wheels, symmetrically distributed on the fixed frame. The fixed frame cover is located on the upper port of the mounting box, and the lower port of the mounting box is covered with a mounting box cover 203.

[0063] like Figure 6 As shown, in this embodiment, a ventilation hole 202 for communicating the air inside and outside the installation box is provided on the lower side wall of the installation box.

[0064] The wiper for a camera provided by the present invention adopts a design in which a ventilation hole is provided on the lower side wall of the installation box to connect the air inside and outside the installation box; the heat generated by the motor, rotating wheel, etc. can be exchanged with the external air in time to prevent the temperature inside the waterproof membrane from being too high, which will affect the service life of the motor, etc.

[0065] like Figures 1 to 2 and Figure 4 As shown, the fixed frame in this embodiment includes a lower frame 402 and a cover plate 403 mounted on the lower frame 402. Each auxiliary fixing wheel 411 is mounted between the lower frame and the cover plate. The lower frame is also provided with a water guide 404 to allow moisture from the auxiliary fixing wheels to escape to the exterior of the fixed frame. The water guide 404 is arranged along the contours of the lens receiving ring and each auxiliary fixing wheel. A water outlet hole connected to the water guide 404 is provided at the bottom of the lower frame to facilitate moisture from escaping the fixed frame. The rotating wheel rim 422 is mounted on the lower frame, which is mounted on the mounting box.

[0066] The wiper for a camera provided by the present invention adopts the fixed frame including a lower frame and a cover plate covering the lower frame; each of the auxiliary fixing wheels is installed between the lower frame and the cover plate; the lower frame is also provided with a water guide groove designed to allow water vapor at the auxiliary fixing wheels to flow out of the fixed frame; foreign matter such as water vapor rotated out of the rotating lens can be left out of the fixed frame along the water guide groove, preventing foreign matter from accumulating in the fixed frame, and the cover plate covering the lower frame makes the water guide groove present a relatively sealed tubular state, so that foreign matter will not splash everywhere when flowing out, but will flow out at a set outlet, effectively preventing foreign matter from splashing onto the front of the camera or the photographer's body and causing trouble to the photographer.

[0067] In this embodiment, the transmission ratio between the first gear and the second gear is (16-20):(9-13); the transmission ratio between the rotating wheel and the rotating mirror is (66-70):(125-129). That is, the transmission ratio between the first gear and the second gear can be 16:9, 16:13, 20:9, 20:13, or any value within the aforementioned ratio range. Preferably, the transmission ratio between the first gear and the second gear is 18:11. The transmission ratio between the rotating wheel and the rotating mirror can be 66:125, 66:129, 70:125, 70:129, or any value within the aforementioned ratio range. Preferably, the transmission ratio between the rotating wheel and the rotating mirror is 68:127. When the transmission ratio between the first gear and the second gear is 18:11 and the transmission ratio between the rotating wheel and the rotating mirror is 68:127, the wiper can be used in most inclement weather conditions and reduces losses to the motor and other components.

[0068] In another embodiment of the present invention, a camera is provided, comprising the aforementioned wiper for use with the camera. The inner mirror surface of the rotating lens of the wiper for use in photographing is positioned toward the photographing lens; the lens is larger than the photographing lens so that light entering the photographing lens is not blocked by the wiper. In this embodiment, the diameter of the rotating lens is 127 mm.

[0069] It should also be noted that the exemplary embodiments described herein describe methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the steps described above. In other words, the steps may be performed in the order described in the embodiments, or in a different order, or several steps may be performed simultaneously.

[0070] In the present invention, features described and / or illustrated for one embodiment may be used in the same or similar manner in one or more other embodiments, and / or combined with or replace features of other embodiments.

[0071] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A windshield wiper for a camera, characterized in that: The cam is mounted on a drive mechanism and a plurality of auxiliary fixing wheels, each of which is mounted on a drive mechanism and a plurality of auxiliary fixing wheels, and the cam is mounted on a plurality of auxiliary fixing wheels. The cam is mounted on a plurality of auxiliary fixing wheels and a plurality of auxiliary fixing wheels are mounted on the cam. The cam is mounted on a plurality of auxiliary fixing wheels and a plurality of auxiliary fixing wheels are mounted on the cam. The cam is mounted on a plurality of auxiliary fixing wheels and a plurality of auxiliary fixing wheels are mounted on the cam. A water guide groove is also provided for the water vapor at the auxiliary fixing wheel to flow out to the outside of the fixing frame; the water guide groove is arranged along the lens accommodating ring and the contour of each auxiliary fixing wheel, and a water outlet hole connected to the water guide groove is provided at the bottom end of the lower frame; the rotation drive mechanism also includes a swing arm, a shock-absorbing spring arm and a drive shaft; the second gear and the rotating wheel are both arranged on the drive shaft; one end of the swing arm is sleeved on the drive shaft, and the other end of the swing arm is sleeved on the mounting column of the mounting box; one end of the shock-absorbing spring arm is fixedly connected to the mounting box, and the other end of the shock-absorbing spring arm is fixedly connected to the corresponding swing arm; the angle between the axis of the drive shaft and the plane where the axis of the output shaft of the motor is located and the plane where the center line of the swing arm is located is greater than 100°.

2. The windshield wiper for a camera according to claim 1, characterized in that: The rotating lens comprises a lens body, an inner mirror surface of the lens body is provided with an anti-fog film; and an outer mirror surface of the lens body is covered with a waterproof film.

3. The wiper for a camera according to claim 1, characterized in that: The sides of the auxiliary fixed wheel and the rotating wheel are both provided with accommodating grooves; the sides of the rotating lens are placed in the accommodating grooves and are frictionally connected to the bottoms of the accommodating grooves; the bottoms of the accommodating grooves are each provided with an elastic pad; the sides of the rotating lens are press-fitted with the elastic pads.

4. The windshield wiper for a camera according to claim 1, wherein: It also includes a motor placed in the installation box and a speed controller electrically connected to the motor.

5. The wiper for a camera according to claim 1, characterized in that: The fixed frame is provided with a lens accommodating ring for accommodating the rotating lens, and a rotating wheel rim for accommodating the rotating wheel, and the lens accommodating ring is communicated with the rotating wheel rim; each of the auxiliary fixed wheels is arranged along the circumference of the lens accommodating ring; the rotating wheel rim cover of the fixed frame is provided on a port of the mounting box; the rotating wheel is placed in the rotating wheel rim and is transmission-connected to the rotating lens placed on the lens accommodating ring.

6. The windshield wiper for a camera according to any one of claims 1 to 3, characterized in that: The transmission ratio between the first gear and the second gear is (16-20): (9-13); the transmission ratio between the rotating wheel and the rotating lens is (66-70): (125-129).

7. The windshield wiper for a camera according to any one of claims 1 to 3, characterized in that: The transmission ratio between the first gear and the second gear is 18:11; the transmission ratio between the rotating wheel and the rotating lens is 68:

127.

8. A camera, characterized in that: The wiper for a camera comprises the wiper according to any one of claims 1 to 7.