CN107051924A - A kind of vehicle-mounted camera decontamination method and device - Google Patents

Abstract

The invention discloses a decontamination method and device for a vehicle-mounted camera. The method includes: detecting whether there is stain on the surface of the vehicle-mounted camera; if there is stain, controlling a decontamination module arranged on the surface of the vehicle-mounted camera to wipe the surface of the vehicle-mounted camera. The invention improves the clarity displayed by the vehicle-mounted camera module, and is convenient for drivers to clearly understand the situation behind the vehicle.

Description

A method and device for decontaminating a vehicle-mounted camera

technical field

The invention relates to the field of vehicle equipment, in particular to a method and device for decontaminating a vehicle camera.

Background technique

Vehicles are equipped with a reversing display system or a rear-view driving recorder, and when the vehicle is in the process of reversing or driving recording, the video provided by the camera is displayed on the display module.

When the vehicle is driving for a long time or encounters bad weather, there will be stains on the camera, and it is often impossible to clearly display the current road condition information. Existing vehicles are usually equipped with a reversing display system. When the vehicle is in the reversing state, the reversing display system is turned on, and the road condition information in the direction of the vehicle is displayed through the display unit. Especially in rainy days, there are water droplets on the camera of the reversing display system. , and then cannot clearly display the current road condition information, which brings great inconvenience to the driver's reversing.

Contents of the invention

In view of this, the object of the present invention is to propose a method and device for decontaminating a vehicle-mounted camera, so as to improve the clarity of the display of the vehicle-mounted camera module and facilitate the driver to clearly understand the situation behind the vehicle.

To achieve the above object, the present invention adopts the following technical solutions:

In a first aspect, an embodiment of the present invention provides a method for decontaminating a vehicle-mounted camera, including:

Detect whether there is stain on the surface of the car camera;

If there is stain, then control the decontamination module arranged on the surface of the vehicle camera to wipe the surface of the vehicle camera.

In a second aspect, an embodiment of the present invention provides a vehicle-mounted camera decontamination device, comprising:

The stain detection module is used to detect whether there is stain on the surface of the vehicle camera;

The control module, if there is stain, controls the decontamination module arranged on the surface of the vehicle camera to wipe the surface of the vehicle camera.

The beneficial effects of the present invention are: a method and device for decontaminating a vehicle-mounted camera provided by the present invention can ensure the clarity of the image transmitted by the camera, provide clear road condition information for the driver, and provide clear video for the analysis of traffic accidents. And images provide reliable evidence for the analysis and judgment of traffic accidents, so that users' property and personal safety are fully guaranteed.

Description of drawings

Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that those of ordinary skill in the art will be more aware of the above-mentioned and other features and advantages of the present invention. In the accompanying drawings:

Fig. 1 is a schematic flow chart of a vehicle-mounted camera decontamination method provided by Embodiment 1 of the present invention;

2 is a schematic flow diagram of a vehicle-mounted camera decontamination method provided by Embodiment 2 of the present invention;

3 is a schematic flow diagram of a vehicle-mounted camera decontamination method provided by Embodiment 3 of the present invention;

Fig. 4 (a) is a schematic diagram of the wiping process of a semicircular wiping sheet for a vehicle-mounted camera provided by Embodiment 3 of the present invention;

Fig. 4 (b) is a schematic diagram of the wiping process of a semicircular wiping sheet for a vehicle-mounted camera provided by Embodiment 3 of the present invention;

Fig. 4 (c) is a schematic diagram of the wiping process of a semicircular wiping sheet for a vehicle-mounted camera provided by Embodiment 3 of the present invention;

Fig. 5 is a structural block diagram of a vehicle-mounted camera decontamination device provided by Embodiment 4 of the present invention.

detailed description

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

Embodiment one

FIG. 1 is a schematic flowchart of a method for decontaminating a vehicle-mounted camera provided by Embodiment 1 of the present invention. The method is applicable to the decontamination of the camera and the rearview mirror, and the method can be executed by a vehicle-mounted camera decontamination device. The vehicle-mounted camera decontamination device can be realized by means of software and/or hardware. As shown in Figure 1, the method includes:

Step 110, detecting whether there is stain on the surface of the vehicle-mounted camera.

The on-board camera can present the function of video and images in real time, which can not only provide users with road condition information, but also provide reliable evidence for the analysis and judgment of traffic accidents. The car camera is not only the second eye of the driver, but also the most powerful assistant of the traffic police.

For the car camera installed on the outside of the vehicle, it is easy to be polluted by the external environment and there are stains. The stains generally include: water, dust, and oil stains. Through the detection of stains, it can be judged whether the car camera is clean. Whether a clear image can be collected is very important for the acquisition of information around the vehicle.

There are many ways to detect stains. By analyzing the physical or chemical properties of stains, stains can be detected, or by collecting multiple images for comparison and analysis to determine whether there are stains.

Step 120, if there is stain, control the decontamination module arranged on the surface of the vehicle camera to wipe the surface of the vehicle camera.

When the preset conditions for the presence of stains are met, it is determined that there are stains, and the processor sends a control command to the decontamination module on the surface of the vehicle camera, and the decontamination module wipes the surface of the vehicle camera. The wiping method can be top-down or bottom-down And up, from left to right, from right to left or open and close.

The decontamination module can be made of any decontamination material and its shape is not limited.

Preferably, there is a drainage tube in the decontamination module. During the wiping process of the decontamination module, the valve can be automatically opened to release the corresponding decontamination liquid; for different stains, the decontamination substances released are different, and the decontamination substances include: water , alcohol, detergent and other cleaning liquids.

The vehicle-mounted camera decontamination method provided by Embodiment 1 of the present invention detects the surface stains of the vehicle-mounted camera and performs decontamination treatment, which can ensure the clarity of the image transmitted by the camera, provide clear road condition information for the driver, and provide traffic protection. The accident analysis provides clear video and images, provides reliable evidence for the analysis and judgment of traffic accidents, and fully guarantees the user's property and personal safety.

Embodiment two

FIG. 2 is a schematic flowchart of a method for decontaminating a vehicle-mounted camera provided by Embodiment 2 of the present invention. On the basis of the above-mentioned embodiments, specific optimization is carried out to detect whether there are stains on the surface of the vehicle-mounted camera, and the method includes:

Step 210: Detect the temperature value and/or humidity value on the surface of the vehicle-mounted camera through the temperature sensor and/or the humidity sensor.

The temperature and humidity values on the surface of the vehicle camera are obtained by detecting the temperature sensor, the humidity sensor or both at the same time. The temperature and humidity sensors are set on and near the surface of the camera to detect the temperature and humidity values on the surface of the camera. The temperature and humidity sensors include one or more.

Step 220: Compare the detected temperature value and/or humidity value with the preset water droplet temperature range and/or water droplet humidity range, and determine whether there is stain on the surface of the vehicle-mounted camera according to the comparison result.

The preset temperature range of the water droplet is a possible temperature range of the water droplet determined according to the temperature of the water droplet in different environments, and the temperature range of the water droplet changes constantly with different ambient temperatures.

The preset humidity range of water droplets is the possible humidity range of water droplets determined according to factors such as different environmental humidity and wind force. The humidity range of water droplets changes continuously with the environment humidity and wind force.

Optionally, the temperature values collected by the camera surface temperature sensor are averaged, and the average value of the temperature is compared with the preset water droplet temperature range. When the average value of the collected temperature is within the preset water droplet temperature range, then Determine that there is stain on the surface of the vehicle camera, otherwise, judge that there is no stain on the surface of the vehicle camera in this detection mode; or, average the humidity values collected by the humidity sensor on the surface of the camera, and compare the average humidity with the preset water droplet humidity range Comparison, when the average value of the collected humidity is within the preset water drop humidity range, it is judged that there is stain on the surface of the vehicle camera, otherwise, in this detection mode, it is judged that there is no stain on the surface of the vehicle camera; or, when the above collected temperature and When the average values of the humidity all meet the conditions, it is determined that there is stain on the surface of the vehicle camera, otherwise, it is determined that there is no stain on the surface of the vehicle camera in this detection mode.

Step 230, if there is stain, control the decontamination module arranged on the surface of the vehicle camera to wipe the surface of the vehicle camera.

For example, on a rainy day, water droplets are easily splashed on the vehicle-mounted camera, and the current road condition information cannot be clearly displayed. The decontamination method provided by the present invention can effectively detect whether there are water droplets on the camera through the temperature and humidity sensor, and carry out the decontamination of the water droplets. Timely processing ensures the clarity of the camera, facilitates users to distinguish road condition information in a timely manner, avoids the inconvenience caused by bad weather, improves user experience, and ensures the user's property and personal safety.

The embodiment of the present invention provides a decontamination method for a vehicle-mounted camera. The temperature and humidity sensor is used to judge whether there is stain on the surface of the camera, and to deal with the stain in time to ensure the clarity of the image transmitted by the camera and provide clear road condition information for the driver.

Embodiment three

FIG. 3 is a schematic flowchart of a method for decontaminating a vehicle-mounted camera provided by Embodiment 3 of the present invention. On the basis of the foregoing embodiments, when the decontamination module includes a first semicircular wiper sheet and a second semicircular wiper sheet, the vehicle-mounted camera decontamination method is specifically described, and the method includes:

Step 310, detecting whether there is stain on the surface of the vehicle-mounted camera.

Step 320, if there are stains, the first semicircular wiper sheet and the second semicircular wiper sheet are combined into a circular wiper sheet and the combined circular wiper sheet is split into a first semicircular wiper sheet and a second semicircular wiper sheet. Wipe the surface of the car camera during the process of two semicircular wiping sheets.

The wiping process of two semicircular wiping sheets, as shown in Figure 4(a), Figure 4(b) and Figure 4(c), Figure 4(a) to Figure 4(b) to Figure 4(c) The process is a wiping process in which two semicircular wipers are combined into a circular wiper. On the contrary, the process of Fig. 4 (c) to Fig. 4 (b) to Fig. 4 (a) is that the circular wiper is split into two The wiping process of a semicircular wiper.

The fixed point of the semicircular wiping sheet can be selected arbitrarily, and the size of the diameter can be selected according to specific needs.

The embodiment of the present invention provides a method for decontaminating a vehicle-mounted camera, and provides a method for wiping a semicircular wiping sheet, which can effectively wipe the camera and has a beautiful appearance, and can be used as a camera when the camera is not in use cover to keep the camera clean, the semicircular wiping sheet saves space and can achieve a better decontamination effect.

Further, step 320 can be replaced by the following steps:

If there is stain, the decontamination module arranged on the surface of the vehicle camera is controlled to move from the first side to the second side of the surface of the vehicle camera, wherein the first side is set opposite to the second side.

The decontamination module can be a sliding block similar to the wiper structure of the front windshield of the vehicle, which can realize the decontamination function by sliding from one side to the other. The decontamination module can be any geometric figure, such as: square, rectangle ,diamond.

The above-mentioned decontamination module can be set according to the weather environment. For example, in a rainy day, the camera is likely to be splashed with water droplets, and a certain frequency is set according to the time interval of splashing water droplets, so that the decontamination module can perform decontamination treatment.

Embodiment four

Fig. 5 is a structural block diagram of a vehicle-mounted camera decontamination device provided by Embodiment 4 of the present invention. As shown in Figure 5, the device includes:

The stain detection module 510 is used to detect whether there is stain on the surface of the vehicle camera;

The control module 520, if there is stain, controls the decontamination module arranged on the surface of the vehicle camera to wipe the surface of the vehicle camera.

Further, the stain detection module 510 includes:

The temperature and humidity detection sub-module is used to detect the temperature value and/or humidity value on the surface of the vehicle camera through a temperature sensor and/or a humidity sensor;

The stain judging sub-module is used to compare the detected temperature value and/or humidity value with the preset water droplet temperature range and/or water droplet humidity range, and determine whether there is stain on the surface of the vehicle camera according to the comparison result.

Further, the decontamination module includes a first semicircular wiping sheet and a second semicircular wiping sheet;

Correspondingly, the control module 520 is used for:

If there is a stain, the first semicircular wiping sheet and the second semicircular wiping sheet are combined into a circular wiping sheet and the combined circular wiping sheet is split into the first semicircular wiping sheet and the first semicircular wiping sheet. During the process of the second semicircular wiping sheet, the surface of the vehicle-mounted camera is wiped.

Further, the control module 520 is used for:

If there is dirt, control the decontamination module arranged on the surface of the vehicle camera to move from the first side to the second side of the surface of the vehicle camera, wherein the first side is opposite to the second side.

A vehicle-mounted camera decontamination device provided in this embodiment belongs to the same inventive concept as a vehicle-mounted camera decontamination method provided in any embodiment of the present invention, and can perform a vehicle-mounted camera decontamination provided in any embodiment of the present invention The method has corresponding functions and beneficial effects. For technical details not described in detail in this embodiment, refer to a method for decontaminating a vehicle-mounted camera provided in any embodiment of the present invention.

Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention, and the present invention The scope is determined by the scope of the appended claims.

Claims (8)

1. a kind of vehicle-mounted camera decontamination method, it is characterised in that including：

Detect that vehicle-mounted pick-up head surface whether there is spot；

If there is spot, the decontamination module that control is arranged on the vehicle-mounted pick-up head surface is entered to the vehicle-mounted pick-up head surface Row wiping is handled.

2. according to the method described in claim 1, it is characterised in that detection vehicle-mounted pick-up head surface whether there is spot, including：

The temperature value and/or humidity value of the vehicle-mounted pick-up head surface are detected by temperature sensor and/or humidity sensor；

The temperature value detected and/or humidity value are compared with default water droplet temperature scope and/or water droplet humidity range, And determine that the vehicle-mounted pick-up head surface whether there is spot according to comparative result.

3. according to the method described in claim 1, it is characterised in that the decontamination module includes the first semicircle wiper blade and the Two semicircle wiper blades；

If there is spot, the decontamination module that control is arranged on the vehicle-mounted pick-up head surface is entered to the vehicle-mounted pick-up head surface Row wiping is handled, including：

If there is spot, circular wiper blade is pieced together with the described second semicircle wiper blade in the described first semicircle wiper blade And by the circular wiper blade of split split into the first semicircle wiper blade and the second semicircle wiper blade during to described Vehicle-mounted pick-up head surface carries out wiping processing.

4. according to the method described in claim 1, it is characterised in that if there is spot, control is arranged on the vehicle-mounted pick-up The decontamination module of head surface carries out wiping processing to the vehicle-mounted pick-up head surface, including：

If there is spot, control is arranged on the decontamination module of the vehicle-mounted pick-up head surface from the vehicle-mounted pick-up head surface First side is moved to the second side, wherein first side is oppositely arranged with second side.

5. a kind of vehicle-mounted camera decontamination plant, it is characterised in that including：

Spot detection module, for detecting that vehicle-mounted pick-up head surface whether there is spot；

Control module, if there is spot, control is arranged on the decontamination module of the vehicle-mounted pick-up head surface and vehicle-mounted taken the photograph to described As head surface carries out wiping processing.

6. device according to claim 5, it is characterised in that the spot detection module includes：

Temperature and Humidity submodule, for detecting the vehicle-mounted pick-up head surface by temperature sensor and/or humidity sensor Temperature value and/or humidity value；

Spot judging submodule, for by the temperature value detected and/or humidity value and default water droplet temperature scope and/or water Drop humidity range is compared, and determines that the vehicle-mounted pick-up head surface whether there is spot according to comparative result.

7. device according to claim 5, it is characterised in that the decontamination module includes the first semicircle wiper blade and the Two semicircle wiper blades；

Correspondingly, the control module is used for：

If there is spot, circular wiper blade is pieced together with the described second semicircle wiper blade in the described first semicircle wiper blade And by the circular wiper blade of split split into the first semicircle wiper blade and the second semicircle wiper blade during to described Vehicle-mounted pick-up head surface carries out wiping processing.

8. device according to claim 5, it is characterised in that the control module is used for：

If there is spot, control is arranged on the decontamination module of the vehicle-mounted pick-up head surface from the vehicle-mounted pick-up head surface First side is moved to the second side, wherein first side is oppositely arranged with second side.