CN216490769U

CN216490769U - Camera and vehicle event data recorder with self-cleaning camera lens

Info

Publication number: CN216490769U
Application number: CN202220115842.1U
Authority: CN
Inventors: 宋燕梅
Original assignee: Shenzhen Huazheng Feiyang Electronic Technology Co ltd
Current assignee: Shenzhen Huazheng Feiyang Electronic Technology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-05-10
Anticipated expiration: 2032-01-17

Abstract

The camera with the self-cleaning lens comprises a camera body, an image sensor and a lens, wherein the image sensor is arranged in the camera body; the lens comprises optical glass and a nano coating, wherein the nano coating is coated on the optical glass and is arranged on one side of the optical glass, which is far away from the image sensor; the nano coating is formed by coating nano particles on the surface of the optical glass. This camera that has self-cleaning camera lens of vehicle event data recorder. Through forming the nanometer coating in optical glass's one side of keeping away from image sensor, the surface of nanometer coating is smooth, can reduce the absorption of tiny particle and drop of water to take away the tiny particle who adsorbs in nanometer coating surface through the drop of water, therefore have self-cleaning function.

Description

Camera and vehicle event data recorder with self-cleaning camera lens

Technical Field

The application relates to the field of cameras, in particular to a camera with a self-cleaning lens and an automobile data recorder.

Background

In outdoor environments, there are many tiny particles, such as dust, which is a particulate suspended in air. The fine particulate matter originates from industrial emissions, combustion fumes, soil dust, etc. When these tiny particles because the influence of earth gravity can stop on the camera, let the drop of water stop on the camera through the rainy day for a long time to block the camera and get the sight spot, make the camera find a view and take place great difference.

For the automobile data recorder, an automobile owner mainly observes the environment outside the automobile through the image captured by the camera, and evidence retrieval after an accident occurs to the automobile also depends on the image captured by the camera, so that if the view finding of the camera is greatly different, the function of the automobile data recorder is greatly influenced.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a camera and vehicle event data recorder with self-cleaning lens to the problem that tiny particle matter stops on the camera for the camera is looked a view and is taken a view and take place great difference.

A camera with a self-cleaning lens comprises a camera body, an image sensor and a lens, wherein the image sensor is installed in the camera body, the lens is installed on the camera body and is arranged corresponding to the image sensor, and light rays penetrate through the lens and are captured by the image sensor, so that the image sensor forms an image;

the lens comprises optical glass and a nano coating, wherein the nano coating is coated on the optical glass and is arranged on one side of the optical glass, which is far away from the image sensor; the nano coating is formed by coating nano particles on the surface of the optical glass.

In one embodiment, the nanocoating has a higher light transmittance than the optical glass.

In one embodiment, the nano coating is formed by coating a hydrophobic material on the optical glass.

In one embodiment, the nano-coating is formed by coating nano-silica on the optical glass.

In one embodiment, the surface of the optical glass close to the image sensor is also formed with a nano coating.

In one embodiment, the camera body comprises a shell and a lens support, a cavity is arranged in the shell, the lens support is arranged in the cavity and fixedly connected to the shell, and the image sensor is fixed on the lens support.

In one embodiment, the camera body further comprises a lens buckle, and the lens buckle is fixedly connected to the shell so as to fix the camera with the self-cleaning lens at a preset position through the lens buckle.

In one embodiment, through holes are formed in the shell and the lens buckle, and cables connected with the camera with the self-cleaning lens penetrate through the through holes.

According to the camera of self-cleaning camera lens of embodiment according to this application, through forming the nanometer coating in optical glass's one side of keeping away from image sensor, the surface of nanometer coating is smooth, can reduce the absorption of tiny particulate matter and drop of water to take away the tiny particulate matter that adsorbs on nanometer coating surface through the drop of water, therefore have self-cleaning function.

The second aspect of the application provides an automobile data recorder, including record appearance body and camera, camera fixed connection in the record appearance body, the camera be above-mentioned arbitrary one the camera with self-cleaning camera lens.

In one embodiment, the camera is provided in plurality, and the plurality of cameras have different imaging visual angles.

Because the automobile data recorder comprises the camera with the self-cleaning lens, the camera with the self-cleaning lens has the beneficial effects, and the automobile data recorder also has the advantages.

Drawings

FIG. 1 is a schematic view of tiny particles and water drops attached to a surface of a common lens;

fig. 2 is a schematic structural diagram of a camera with a self-cleaning lens according to an embodiment of the present application;

fig. 3 is a schematic cross-sectional view illustrating a lens of a camera with a self-cleaning lens according to an embodiment of the present application;

FIG. 4 is a schematic view of the attachment of fine particles and water droplets to a lens according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a vehicle event data recorder according to an embodiment of the present application.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, which schematically illustrates a schematic view of tiny particles and water drops attached to a surface of a common lens, a lens surface 810 of a common lens 800 is generally made of glass or epoxy, and there are many tiny particles in air, and when the tiny particles 820 contact the lens surface 810, some of the tiny particles will stay on the lens surface 810. When the tiny particles 820 stay on the lens surface 810, the lens surface 810 generates an included angle a, when the included angle a is larger than 30 degrees, the water drops 830 and other stains are easily adsorbed near the tiny particles 820, and a large block of stains is generated under the action of water, so that the view finding of the camera is influenced.

Referring to fig. 2 to 4, in the camera 10 with the self-cleaning lens according to the embodiments of the present disclosure, even if the micro particles are adsorbed in the outdoor environment. The included angle a generated on the surface of the nano coating 134 is also smaller than 10 degrees, when water drops are attached to the surface of a micro particle object, the micro particle object is easily taken away under the action of the self gravity of water, the large-area attachment formed on the surface of the lens is avoided, and self-cleaning is realized.

Referring to fig. 2 and 3, the camera 10 with the self-cleaning lens includes a camera body 110, an image sensor 120 and a lens 130, wherein the image sensor 120 is installed in the camera body 110, the lens 130 is installed on the camera body 110 and is disposed corresponding to the image sensor 120, and light passes through the lens 130 and is captured by the image sensor 120, so that the image sensor 120 forms an image. The lens 130 includes an optical glass 132 and a nano-coating 134, wherein the nano-coating 134 is coated on the optical glass 132 and is disposed on a side of the optical glass 132 away from the image sensor 120.

The nano coating 134 is formed by coating nano particles on the surface of the optical glass 132, and the nano particles are nano-scale materials, and the nano particles can be arranged more closely, so that compared with the optical glass 132, the surface of the nano coating 134 can be smoother, i.e. the surface has shallower concave-convex, and the adsorption force of micro particles and water drops can be reduced. Referring to fig. 4, even if the fine particles and the water drops are adsorbed on the surface of the nano coating 134, the contact area between the fine particles and the nano coating 134 is smaller, and the included angle with the surface of the nano coating 134 is smaller, when the water drops contact with the fine particles, the water drops are under the action of self gravity, the gravity center is lowered, the fine particles are more easily driven to be separated from adsorption, and the adsorption force between the fine particles and the nano coating 134 is reduced, therefore, under the dual actions of lowering the gravity center of the water drops and reducing the adsorption force of the nano coating 134, the fine particles are more easily separated from adsorption from the surface of the nano coating 134, and self-cleaning is realized.

It is understood that the nanocoating 134 has a predetermined light transmittance, for example, a light transmittance higher than that of the optical glass 132, so that light can pass through the nanocoating 134 and the optical glass 132 to be captured by the image sensor 120.

In some embodiments, nanocoating 134 is formed by coating optical glass 132 with a hydrophobic material. Therefore, the adsorption force of the water drops on the nano coating 134 can be further reduced, and the water drops can drive the micro particles to be separated and adsorbed. In a particular embodiment, the nanocoating 134 is formed from nanosilica coated on the optical glass 132.

In one or more embodiments, the surface of the optical glass 132 close to the image sensor 120 is also formed with the nano-coating 134, which can reduce the adsorption of fine particles inside the lens.

Specifically, when the nano coating 134 is formed, the surface of the optical glass 132 is first cleaned by ultrasonic waves, so as to remove the micro particles and other stains on the surface of the optical glass 132. After the optical glass 132 is dried at a high temperature, the total plasma equipment is deeply cleaned, and the surface is activated to facilitate the subsequent coating. Then, the nano material can be coated on the surface of the optical glass 132. After the coating is completed, the optical glass 132 with the surface coated with the nano-coating 134 is placed in a high temperature environment of 90 ℃ to be baked for 30 minutes, so that the nano-coating 134 and the optical glass 132 are completely fused. And then, cleaning with deionized water.

Referring to fig. 2, the camera body 110 includes a housing 112 and a lens holder 114, a cavity is disposed in the housing 112, the lens holder 114 is disposed in the cavity and is fixedly connected to the housing 112, and the image sensor 120 is fixed on the lens holder 114.

In some embodiments, the camera body 110 further includes a lens clip 116, and the lens clip 116 is fixedly connected to the housing 112 to fix the camera at a predetermined position through the lens clip 116. For example, when the camera is a part of a drive recorder, the camera is fixed to a predetermined position of the drive recorder.

The housing 112 and the lens mount 116 may be provided with a through hole 110a, and a cable connected to the camera passes through the through hole 110a to connect the camera to the main circuit.

According to the camera 10 with the self-cleaning lens in the embodiment of the application, the nano coating 134 is formed on the side of the optical glass 132 far away from the image sensor 120, the surface of the nano coating 134 is smooth, the adsorption of micro particles and water drops can be reduced, and the micro particles adsorbed on the surface of the nano coating 134 are taken away by the water drops, so that the camera has the self-cleaning function.

Referring to fig. 5, the present application further provides an automobile data recorder 20, where the automobile data recorder 20 includes a recorder body 210 and a camera 220, the camera 220 is fixedly connected to the recorder body 210, and the camera 220 is the camera 10 with the self-cleaning lens according to any one of the embodiments.

In one or more embodiments, the number of the cameras 220 is multiple, and the multiple cameras 220 have different imaging viewing angles, so as to monitor the road condition in different directions. In a specific embodiment, two cameras may be provided, and the imaging view angles of the two cameras 220 are opposite.

Recorder body 210 includes casing 212 and main control board, and the main control board sets up in casing 212, and camera 220 is connected to the main control board, is provided with control circuit on the main control board, and control circuit controls camera 220's work. It will be appreciated that a memory is also included and the control circuitry stores the images captured by the camera 220 in the memory.

The recorder body 210 may further include a display screen 214, and the control circuit divides the image captured by the camera 220 into two paths, one path is sent to the memory for storage, and the other path is sent to the display screen 214 for display. It is understood that when there are multiple cameras 220, the display screen 214 may be displayed in multiple regions, each region corresponding to an image imaged by one of the cameras 220.

Since the automobile data recorder 20 includes the camera 220 with the self-cleaning lens, the camera 220 with the self-cleaning lens has the beneficial effects, and the automobile data recorder 20 also has the beneficial effects.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A camera with a self-cleaning lens is characterized by comprising a camera body, an image sensor and a lens, wherein the image sensor is arranged in the camera body, the lens is arranged on the camera body and is arranged corresponding to the image sensor, and light rays pass through the lens and are captured by the image sensor, so that the image sensor forms an image;

2. The camera head with the self-cleaning lens as claimed in claim 1, wherein the nano coating layer has a light transmittance higher than that of the optical glass.

3. The camera with the self-cleaning lens as claimed in claim 1, wherein the nano coating is formed by coating a hydrophobic material on the optical glass.

4. The camera head with the self-cleaning lens as claimed in claim 1 or 3, wherein the nano coating layer is formed by coating nano silica on the optical glass.

5. The camera head with the self-cleaning lens as claimed in claim 1, wherein a nano-coating layer is also formed on the surface of the optical glass close to the image sensor.

6. The camera with the self-cleaning lens as claimed in claim 1, wherein the camera body comprises a housing and a lens holder, a cavity is formed in the housing, the lens holder is disposed in the cavity and fixedly connected to the housing, and the image sensor is fixed on the lens holder.

7. The camera with the self-cleaning lens as claimed in claim 6, wherein the camera body further comprises a lens buckle, and the lens buckle is fixedly connected to the housing so as to fix the camera with the self-cleaning lens at a preset position through the lens buckle.

8. The camera with the self-cleaning lens as claimed in claim 7, wherein through holes are provided on the housing and the lens catch, and a cable connecting the camera with the self-cleaning lens passes through the through holes.

9. An automobile data recorder is characterized by comprising a recorder body and a camera, wherein the camera is fixedly connected to the recorder body, and the camera is the camera with the self-cleaning lens as claimed in any one of claims 1 to 8.

10. The automobile data recorder according to claim 9, wherein the plurality of cameras are provided, and the plurality of cameras have different imaging view angles.