CN212760281U - Camera camera lens self-cleaning device and camera - Google Patents

Abstract

The utility model provides a camera lens automatic cleaning device and a camera; the automatic cleaning device for the camera lens comprises a connecting frame, a winding shaft, an unwinding shaft and a first motor, wherein the connecting frame is used for being connected with a camera; the winding shaft and the unwinding shaft are respectively used for winding and unwinding the lens protective film, and the lens protective film is covered in front of the lens of the camera; the camera comprises a camera body and the camera lens automatic cleaning device; the automatic cleaning device for the camera lens and the camera can ensure that the camera lens is clean without manual cleaning and cleaning liquid, and are good in reliability and high in safety.

Description

Camera camera lens self-cleaning device and camera

Technical Field

The utility model relates to a camera accessory technical field especially relates to a camera lens self-cleaning device and camera.

Background

Cameras used for industrial robots such as painting and welding, and cameras used for vehicles and security protection are prone to cause lens contamination due to a large amount of dust and splashes in the working environment. If the cleaning is not performed in time, the captured image is blurred, and even the image cannot be captured normally.

At present, when the lens of these cameras is cleared up, the camera is generally dismantled by the manual work and is cleared up manually, which not only wastes time and energy, but also causes the camera to need to interrupt work for a long time, and is not beneficial to production or security protection.

For this reason, the invention patent (CN 104237256A) discloses a lens cleaning method and device for PH detection, which cleans the camera by injecting cleaning liquid and drying with warm air when the detection device on the camera determines that the lens is stained with more foreign matters and needs cleaning. Considering that the general waterproof performance of the existing camera is poor, the lens is cleaned by spraying cleaning liquid, fog is generated after water seepage is generated inside the lens, the water seepage and the fog generation inside the lens cannot be automatically cleaned, the service life of the camera is also prolonged, even an internal circuit is short-circuited, and the reliability and the safety cannot be effectively guaranteed.

SUMMERY OF THE UTILITY MODEL

In view of the weak point of the above-mentioned prior art, the utility model aims to provide a camera lens self-cleaning device and camera need not the manual work and washs and use the washing liquid can guarantee that the camera lens is clean, good reliability, security height.

In order to achieve the purpose, the utility model adopts the following technical proposal:

an automatic cleaning device for a camera lens comprises a connecting frame, a winding shaft, an unwinding shaft and a first motor, wherein the connecting frame is used for being connected with a camera;

the winding shaft and the unwinding shaft are respectively used for winding and unwinding the lens protective film, and the lens protective film is covered in front of the lens of the camera.

In some embodiments, the automatic cleaning device for a camera lens further includes a second motor for driving the unwinding shaft to rotate.

In other embodiments, the automatic cleaning device for camera lens further includes a damping ring disposed at a connection position of the unwinding shaft and the connecting frame.

The automatic cleaning device for the camera lens further comprises a film pressing piece used for pressing the lens protective film on the camera lens.

Furthermore, the film pressing piece is a frame matched with the lens, and the frame can be sleeved into the lens to tightly press the lens protective film.

The automatic cleaning device for the camera lens further comprises a driving device arranged on the connecting frame, and the driving device is used for driving the film pressing piece to move in the direction close to or far away from the camera lens.

In the automatic cleaning device for the camera lens, the driving device comprises at least one rack arranged on the connecting frame in a sliding manner, a gear meshed with the rack and a third motor used for driving the gear to rotate; one end of the rack is fixedly connected with the film pressing piece.

In the automatic cleaning device for the camera lens, the driving device further comprises at least one sliding groove arranged on the connecting frame, and the rack is arranged in the corresponding sliding groove in a sliding manner.

In some embodiments, the connecting bracket is detachable from the camera.

A camera comprises a camera body and the automatic cleaning device for the camera lens.

Has the advantages that:

the utility model provides a camera lens self-cleaning device and camera makes the camera lens protective film cover in front of the camera lens of camera through rolling axle and unreeling axle, prevents that the camera lens itself from polluting, after the camera lens protective film that keeps off in front of the camera lens of camera is polluted, moves clean camera lens protective film to in front of the camera lens by rolling axle and unreeling axle to the cleanness of camera lens field of vision has been guaranteed; compared with the prior art, the camera lens can be ensured to be clean without manual cleaning and cleaning liquid, and the camera lens is good in reliability and high in safety.

Drawings

Fig. 1 is a perspective view of the automatic cleaning device for camera lens provided by the present invention, in which the film pressing member is a pressing body.

Fig. 2 is a perspective view of the automatic cleaning device for camera lens according to the present invention, in which the film pressing member is a releasing body.

Fig. 3 is a schematic structural diagram of a driving device in the automatic cleaning device for camera lens provided by the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The following disclosure provides embodiments or examples for implementing different configurations of the present invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1 and 2, the present invention provides an automatic cleaning device for a camera lens, which includes a connecting frame 1 for connecting with a camera, a winding shaft 2 and an unwinding shaft 3 symmetrically disposed on the connecting frame 1, and a first motor 4 for driving the winding shaft 2 to rotate;

the winding shaft 2 and the unwinding shaft 3 are used for winding and unwinding the lens protection film 91 respectively, and cover the lens protection film in front of the lens 90 of the camera.

When the connecting frame is used, the connecting frame 1 is connected to a camera, the lens 90 is positioned between the winding shaft 2 and the unwinding shaft 3, the first motor 4 drives the winding shaft 2 to wind the lens protective film 91, the lens protective film 9 is blocked in front of the lens, and therefore the pollution of the lens can be avoided, when the lens protective film 91 blocked in front of the lens of the camera is polluted, the first motor 4 drives the winding shaft 2 to further wind the lens protective film 91, and the clean lens protective film 91 is moved to the front of the lens, and therefore the cleanness of the visual field of the lens is guaranteed; compared with the prior art, the camera lens can be ensured to be clean without manual cleaning and cleaning liquid, and the camera lens is good in reliability and high in safety.

In order to tension the lens protection film 91 and thus press it in front of the lens, in some embodiments, a damping ring is provided at the connection of the unwinding shaft 3 and the connecting frame 1. In other embodiments, as shown in fig. 1 and 2, a second motor 5 is provided for driving the unwinding shaft to rotate; the rotation speed of the second motor 5 can be adjusted to tension the lens protection film 91 during unwinding, or the second motor 5 can be rotated in the reverse direction to tension the lens protection film 91 after the winding shaft 2 is stopped.

In some embodiments, the automatic cleaning device for camera lens further comprises a film pressing member 6 for pressing the lens protection film 91 on the lens of the camera. The lens protection film 91 can be reliably pressed by the film pressing member 6, and dust, splashes and the like are prevented from being adhered to the lens glass when the lens protection film 91 leaves the lens.

Further, as shown in fig. 1 and 2, the film pressing member 6 is a frame adapted to the lens, and the frame can be sleeved into the lens to press the lens protection film 91. When the frame is sleeved in the lens, the edge of the lens protection film 91 in front of the lens can be pressed between the frame and the peripheral surface of the lens, so that the lens protection film 91 can be compressed, the lens protection film 91 in front of the lens can be ensured to be tight and flat, and the wrinkling of the lens protection film 91 is avoided. The shape of the frame is adapted to the specific shape of the lens, for example, if the lens is circular, the frame is a circular frame or a C-shaped frame; the lens is rectangular, and the frame is a rectangular frame or a U-shaped frame.

Further, the automatic cleaning device for the camera lens further comprises a driving device 7 arranged on the connecting frame, and the driving device 7 is used for driving the film pressing member 6 to move in a direction close to or far away from the lens. When the lens protection film 91 needs to be moved, the driving device 7 drives the film pressing member 6 to be away from the lens, so that the lens protection film 91 is loosened, and after the movement is completed, the film pressing member 6 is reset to press the lens protection film 91 again.

In some embodiments, see fig. 3, the driving means 7 comprise at least one rack 7.1 slidably arranged on the connecting frame 1, a gear 7.2 engaged with the rack 7.1, and a third motor 7.3 for driving the gear 7.2 to rotate; one end of the rack 7.1 is fixedly connected with the film pressing piece 6.

Further, the driving device 7 further comprises at least one sliding groove 7.4 arranged on the connecting frame 1, and the rack 7.1 is slidably arranged in the corresponding sliding groove 7.4. Through the cooperation of spout 7.4 and rack 7.1, can avoid rack 7.1 to rock to guarantee to press membrane piece 6 can embolia on the lens accurately when reseing.

Furthermore, two inner side walls of the sliding groove 7.4 are provided with guide protrusions 7.5 extending along the sliding direction of the rack 7.1, two sides of the rack 7.1 are provided with corresponding guide grooves 7.6, and the guide protrusions 7.5 extend into the corresponding guide grooves 7.6.

The structure of the driving device 7 is not limited thereto, and for example, the driving device 7 may further include at least one air cylinder, a hydraulic cylinder, or an electric telescopic rod.

In some embodiments, the connecting frame 1 is detachable from the camera. For example, the link 1 is connected to the camera by a screw, the link 1 is connected to the camera by a snap, the link 1 is connected to the camera by a magnet, and the like.

From the above, the automatic cleaning device for the camera lens has the following advantages:

1. the structure is simple, the manufacturing cost is low, the whole volume is small, the volume of the camera cannot be greatly increased, and the installation and the use are easy;

2. cleaning liquid does not need to be sprayed, so that the lens is more friendly to lenses which are easy to seep water, the lens can be effectively prevented from being fogged or short-circuited due to water inflow, the surrounding environment is more friendly, and the surrounding environment is prevented from being polluted;

3. the camera does not need manual cleaning, does not need to pause the work of the camera, saves manpower and material resources, and simultaneously ensures the continuous work of the camera.

The utility model also provides a camera, including camera body and foretell camera lens self-cleaning device.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-mentioned preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and the embodiments are substantially the same as the present invention.

Claims (10)

1. An automatic cleaning device for a camera lens is characterized by comprising a connecting frame, a winding shaft, an unwinding shaft and a first motor, wherein the connecting frame is used for being connected with a camera;

the winding shaft and the unwinding shaft are respectively used for winding and unwinding the lens protective film, and the lens protective film is covered in front of the lens of the camera.

2. The automatic cleaning device for the lens of the camera according to claim 1, further comprising a second motor for driving the unwinding shaft to rotate.

3. The automatic cleaning device for the lens of the camera according to claim 1, further comprising a damping ring provided at a junction of the unreeling shaft and the connecting stand.

4. The automatic cleaning device for the lens of the camera according to claim 1, further comprising a pressing member for pressing the lens protective film against the lens of the camera.

5. The automatic cleaning device for the lens of the camera according to claim 4, wherein the film pressing member is a frame adapted to the lens, and the frame can be sleeved into the lens to press the lens protecting film.

6. The automatic cleaning device for the lens of the camera according to claim 4, further comprising a driving device disposed on the connecting frame, wherein the driving device is used for driving the film pressing member to move in a direction approaching or moving away from the lens.

7. The automatic cleaning device for the lens of the camera according to claim 6, wherein the driving device comprises at least one rack slidably disposed on the connecting frame, a gear engaged with the rack, and a third motor for driving the gear to rotate; one end of the rack is fixedly connected with the film pressing piece.

8. The automatic cleaning device for the lens of the camera according to claim 7, wherein the driving device further comprises at least one sliding slot disposed on the connecting frame, and the rack is slidably disposed in the corresponding sliding slot.

9. The automatic camera lens cleaning device of claim 1, wherein the attachment bracket is detachable from the camera.

10. A camera comprising a camera body and the automatic camera lens cleaning device of any one of claims 1 to 9.

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