阅读说明：本技术 一种汽车前风挡玻璃清洗系统及方法 (Automobile front windshield glass cleaning system and method ) 是由 张享 付文刚 于 2021-08-06 设计创作，主要内容包括：本发明提供一种汽车前风挡玻璃清洗系统及方法,所述系统包括行车记录仪、车身域控制器以及舒适域控制器；行车记录仪与舒适域控制器电连接,舒适域控制器与车身域控制器电连接；车身域控制器还分别与汽车的喷嘴电机和雨刮电机电连接；行车记录仪通过其摄像头获取汽车前风挡玻璃表面的图像信息,并传输至舒适域控制器；舒适域控制器根据行车记录仪提供的汽车前风挡玻璃表面的图像信息,判断汽车前风挡玻璃表面是否有异物；当舒适域控制器判断汽车前风挡玻璃的表面存在异物时,发送执行信号至车身域控制器,使车身域控制器控制喷嘴电机和雨刮电机工作；本发明提供的技术方案,能够实现智能化清洁前风挡玻璃,有效降低成本,提高汽车的科技感。(The invention provides a system and a method for cleaning a front windshield of an automobile, wherein the system comprises an automobile data recorder, an automobile body domain controller and a comfort domain controller; the automobile data recorder is electrically connected with the comfort domain controller, and the comfort domain controller is electrically connected with the automobile body domain controller; the vehicle body area controller is also electrically connected with a nozzle motor and a wiper motor of the automobile respectively; the automobile data recorder acquires image information of the surface of a front windshield of an automobile through a camera of the automobile data recorder and transmits the image information to the comfort domain controller; the comfort domain controller judges whether foreign matters exist on the surface of the automobile front windshield glass according to the image information of the surface of the automobile front windshield glass provided by the automobile data recorder; when the comfort domain controller judges that foreign matters exist on the surface of the front windshield of the automobile, an execution signal is sent to the automobile body domain controller, so that the automobile body domain controller controls a nozzle motor and a wiper motor to work; according to the technical scheme provided by the invention, the intelligent cleaning of the front windshield glass can be realized, the cost is effectively reduced, and the technological sense of the automobile is improved.)

1. The automobile front windshield glass cleaning system is characterized by comprising an automobile data recorder, an automobile body domain controller and a comfort domain controller; the automobile data recorder is electrically connected with the comfort domain controller, and the comfort domain controller is electrically connected with the automobile body domain controller; the vehicle body area controller is also electrically connected with a nozzle motor and a wiper motor of the automobile respectively; the automobile data recorder acquires image information of the surface of a front windshield of an automobile through a camera of the automobile data recorder and transmits the image information to the comfort domain controller; the comfort domain controller judges whether foreign matters exist on the surface of the automobile front windshield glass according to the image information of the surface of the automobile front windshield glass provided by the automobile data recorder; and when the comfort domain controller judges that foreign matters exist on the surface of the front windshield of the automobile, sending an execution signal to the automobile body domain controller to enable the automobile body domain controller to control the nozzle motor and the wiper motor to work.

2. The system for cleaning the front windshield glass of the automobile as recited in claim 1, further comprising a central gateway, wherein the automobile data recorder is in communication connection with the central gateway through Ethernet or USB; the central gateway is respectively in communication connection with the vehicle body domain controller and the comfort domain controller; and the comfort domain controller transmits the image information of the surface of the front windshield glass of the automobile to the comfort domain controller through the central gateway.

3. The system for cleaning a front windshield of an automobile according to claim 1, wherein the comfort domain controller judges whether the foreign matter on the surface of the front windshield of the automobile is water drops or dust according to the image information on the surface of the front windshield of the automobile provided by the automobile data recorder through a visual algorithm of the comfort domain controller.

4. The cleaning system for automobile front windshield glass according to claim 1, wherein the automobile data recorder is arranged at the upper end of the automobile front windshield glass positioned at the inner side of the automobile, and the range of the line of sight projected by the camera of the automobile data recorder at least comprises the upper area of the automobile front windshield glass.

5. The system of claim 1, wherein the comfort domain controller determines the presence of foreign objects on the surface of the windshield by image recognition; when the foreign matter is judged to be dust, the nozzle motor is controlled to start working through the vehicle body area controller, and then the wiper motor is controlled to work; and when the foreign matter is judged to be raindrops, the vehicle body area controller directly controls the wiper motor to start working.

6. The vehicle windshield washing system as recited in any one of claims 1 to 5, wherein the vehicle event recorder is further configured to record video information in front of the vehicle windshield when the vehicle is started.

7. A method for cleaning a front windshield of an automobile is characterized by comprising the following steps:

s1: when the automobile is in a starting state, an automobile data recorder in the automobile acquires image information of the surface of a front windshield of the automobile in real time through a camera of the automobile data recorder and transmits the image information to a comfort domain controller;

s2: the comfort domain controller judges whether foreign matters exist on the surface of the automobile front windshield glass according to the image information of the surface of the automobile front windshield glass provided by the automobile data recorder;

s3: and when the comfort domain controller judges that foreign matters exist on the surface of the front windshield of the automobile, sending an execution signal to the automobile body domain controller to enable the automobile body domain controller to control the nozzle motor and the wiper motor to start working.

8. The method for cleaning a front windshield of an automobile as recited in claim 7, wherein in the step S3, when the comfort zone controller determines that the foreign object is dust, the body zone controller controls the nozzle motor to start to operate first and then controls the wiper motor to operate; when the comfort domain controller judges that the foreign matter is raindrops, the vehicle body domain controller directly controls the wiper motor to start working; and when the comfort domain controller judges that no foreign object exists, directly returning to image recognition.

9. The method for cleaning a front windshield of an automobile as recited in claim 7, wherein in the step S2, the comfort domain controller identifies image information of the surface of the front windshield of the automobile provided by the driving recorder through a visual algorithm, and further determines that foreign objects exist on the surface of the front windshield of the automobile; and/or the presence of a gas in the gas,

in the step S3, the controlling the nozzle motor and the wiper motor to start operating by the body area controller includes: controlling the nozzle motor to perform spraying of the glass water, and controlling the wiper motor to perform a wiper scraping operation.

10. The method for cleaning the front windshield glass of the automobile as recited in claim 7, wherein the automobile data recorder records and stores video information in front of the front windshield glass of the automobile when the automobile is in a starting state; and/or the presence of a gas in the gas,

the automobile data recorder is connected with the comfort domain controller or a central gateway through an Ethernet or USB communication protocol, and the central gateway is respectively in communication connection with the automobile body domain controller and the comfort domain controller; and the comfort domain controller transmits the image information of the surface of the front windshield glass of the automobile to the comfort domain controller through the central gateway.

Technical Field

The invention belongs to the technical field of cleaning of automobile front windshield glass, and particularly relates to a system and a method for cleaning the automobile front windshield glass.

Background

The existing wiper system of the automobile is generally operated manually or automatically by adopting a rainfall sensor, and the intelligent level is relatively low; with the improvement of the current automobile intelligent level, the driving recorder almost becomes a standard part, the number of the vehicle sensors is increased exponentially, and the cost is gradually increased; how to raise the intelligence level of the automobile by reasonably utilizing the existing accessories of the automobile is a problem to be considered by automobile manufacturers.

Based on the technical problems existing in the intelligent development process of the automobile, no relevant solution is provided; there is therefore a pressing need to find effective solutions to the above problems.

Disclosure of Invention

The invention aims to provide a system and a method for cleaning a front windshield of an automobile aiming at overcoming the defects in the prior art and aims to solve the problem that the existing wiper system of the automobile cleans the front windshield.

The invention provides a cleaning system for a front windshield of an automobile, which comprises an automobile data recorder, an automobile body domain controller and a comfort domain controller, wherein the automobile body domain controller comprises a plurality of automobile body controllers; the automobile data recorder is electrically connected with the comfort domain controller, and the comfort domain controller is electrically connected with the automobile body domain controller; the vehicle body area controller is also electrically connected with a nozzle motor and a wiper motor of the automobile respectively; the automobile data recorder acquires image information of the surface of a front windshield of an automobile through a camera of the automobile data recorder and transmits the image information to the comfort domain controller; the comfort domain controller judges whether foreign matters exist on the surface of the automobile front windshield glass according to the image information of the surface of the automobile front windshield glass provided by the automobile data recorder; when the comfort domain controller judges that foreign matters exist on the surface of the front windshield of the automobile, an execution signal is sent to the automobile body domain controller, so that the automobile body domain controller controls the nozzle motor and the wiper motor to work.

Furthermore, the system also comprises a central gateway, and the automobile data recorder is in communication connection with the central gateway through Ethernet or USB; the central gateway is respectively in communication connection with the vehicle body domain controller and the comfort domain controller; the comfort domain controller transmits the image information of the surface of the front windshield of the automobile to the comfort domain controller through the central gateway.

Further, the comfort domain controller judges whether the foreign matters on the surface of the automobile front windshield glass are water drops or dust according to the image information on the surface of the automobile front windshield glass provided by the automobile data recorder through a visual algorithm.

Furthermore, the automobile data recorder is arranged at the upper end of the automobile front windshield glass positioned at the inner side of the automobile, and the range of the projection sight line of the camera of the automobile data recorder at least comprises the area above the automobile front windshield glass.

Further, the comfort domain controller judges that foreign matters exist on the surface of the front windshield of the automobile through image recognition; when the foreign matter is judged to be dust, the nozzle motor is controlled to start working through the vehicle body area controller, and then the wiper motor is controlled to work; when the foreign matter is judged to be raindrops, the vehicle body area controller directly controls the wiper motor to start working.

Furthermore, the automobile data recorder is also used for recording video information in front of the front windshield of the automobile when the automobile is started.

Correspondingly, the invention also provides a method for cleaning the front windshield glass of the automobile, which comprises the following steps:

s1: when the automobile is in a starting state, an automobile data recorder in the automobile acquires image information of the surface of a front windshield of the automobile in real time through a camera of the automobile data recorder and transmits the image information to a comfort domain controller;

s2: the comfort domain controller judges whether foreign matters exist on the surface of the automobile front windshield glass according to the image information of the surface of the automobile front windshield glass provided by the automobile data recorder;

s3: when the comfort domain controller judges that foreign matters exist on the surface of the front windshield of the automobile, an execution signal is sent to the automobile body domain controller, so that the automobile body domain controller controls the nozzle motor and the wiper motor to start working.

Further, in the step S3, when the comfort zone controller determines that the foreign object is dust, the vehicle body zone controller controls the nozzle motor to start working first, and then controls the wiper motor to work; when the comfort domain controller judges that the foreign matter is raindrops, the vehicle body domain controller directly controls the wiper motor to start working; and when the comfort domain controller judges that no foreign object exists, directly returning to the image recognition.

Further, in step S2, the comfort domain controller identifies the image information of the surface of the front windshield provided by the vehicle event data recorder through a visual algorithm, and further determines that a foreign object exists on the surface of the front windshield.

Further, in step S3, the controlling the nozzle motor and the wiper motor to start operating by the body area controller includes: controlling the nozzle motor to perform spraying of the glass water, and controlling the wiper motor to perform a wiper scraping operation.

Further, the automobile data recorder records and stores video information in front of the front windshield of the automobile when the automobile is in a starting state.

Furthermore, the automobile data recorder is connected with a comfort domain controller or a central gateway through an Ethernet or USB communication protocol, and the central gateway is respectively in communication connection with the automobile body domain controller and the comfort domain controller; the comfort domain controller transmits the image information of the surface of the front windshield of the automobile to the comfort domain controller through the central gateway.

According to the technical scheme provided by the invention, the existing automobile data recorder is utilized to carry out visual identification on the front windshield glass, so that the intelligent cleaning of the front windshield glass is realized, and the intelligent level of the front windshield glass of the automobile is effectively improved; this application scheme is rational in infrastructure, and intelligent level is higher, can effective reduce cost, improves the science and technology of car and feels.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The invention will be further explained with reference to the drawings, in which:

FIG. 1 is a schematic view of a system for cleaning a front windshield of an automobile according to the present invention;

FIG. 2 is a flow chart of a method for cleaning a front windshield of an automobile according to the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 2, the present invention provides a cleaning system for a front windshield of an automobile, which can be directly applied to an existing automobile; the system comprises a vehicle event data recorder, a vehicle body domain controller and a comfort domain controller; specifically, the automobile data recorder is electrically connected with a comfort domain controller, and the comfort domain controller is electrically connected with a vehicle body domain controller; the body area controller is also electrically connected with a nozzle motor and a wiper motor of the automobile respectively; specifically, the automobile data recorder obtains image information of the surface of a front windshield of an automobile through a camera of the automobile data recorder and transmits the image information to the comfort domain controller; judging whether foreign matters exist on the surface of the automobile front windshield glass or not by a comfort domain controller according to image information of the surface of the automobile front windshield glass provided by an automobile data recorder; when the comfort domain controller judges that foreign matters exist on the surface of the front windshield of the automobile, an execution signal is sent to the automobile body domain controller, so that the automobile body domain controller can control a nozzle motor and a wiper motor to work; the automobile front windshield glass cleaning system provided by the invention can adopt the camera of the automobile data recorder in the existing automobile to acquire the image of the automobile front windshield glass, and then identify the foreign matters on the front windshield glass by an image algorithm so as to judge whether the front windshield glass is required to be cleaned or not.

Preferably, in combination with the above schemes, as shown in fig. 1 to 2, the system for cleaning a front windshield of an automobile provided by the invention further comprises a central gateway, wherein the central gateway is used as a hub for transmitting vehicle-cleaning information, and can realize information transmission of the whole automobile; in the scheme of the application, the automobile data recorder is in communication connection with the central gateway through the Ethernet or the USB, so that information transmission is realized; further, the central gateway is respectively in communication connection with the vehicle body domain controller and the comfort domain controller; the comfort domain controller transmits the image information of the surface of the front windshield glass of the automobile to the comfort domain controller through the central gateway; specifically, the signal transmission mode of the automobile front windshield glass cleaning system provided by the invention comprises the following steps: the automobile data recorder transmits the camera data to the comfort domain controller in real time, the comfort domain controller sends an execution result to the automobile body domain controller after processing, and the automobile body domain controller controls the nozzle motor and the wiper motor to work; specifically, the automobile data recorder transmits through high-speed protocols such as Ethernet or USB, and the video is actually composed of one frame and one frame of photos, so that image information is formed and transmitted to the comfort domain controller.

Preferably, in combination with the above solutions, as shown in fig. 1 to 2, the comfort domain controller determines, according to the image information of the surface of the automotive windshield provided by the vehicle event data recorder, that the foreign matter on the surface of the automotive windshield is water drops or dust by using a visual algorithm thereof; specifically, the visual algorithm processes image gray scale, firstly identifies whether raindrops or dust exist or not through light permeability, and then identifies rainfall and dust size through area comparison of the front and the back; reference may also be made to existing recognition algorithms.

Preferably, with the above scheme, as shown in fig. 1 to 2, the vehicle event data recorder is disposed at the upper end of the front windshield of the vehicle inside the vehicle, and the range of the line of sight projected by the camera of the vehicle event data recorder at least covers the area above the front windshield of the vehicle, so as to perform image and video acquisition.

Preferably, in combination with the above solutions, as shown in fig. 1 to 2, the comfort zone controller determines that there is a foreign object on the surface of the front windshield of the automobile through image recognition; when the foreign matter is judged to be dust, the nozzle motor is controlled to start working through the vehicle body area controller, and then the wiper motor is controlled to work; when the foreign matter is judged to be raindrops, the vehicle body area controller directly controls the wiper motor to start working; specifically, the visual algorithm for identifying dust and raindrops is as follows: firstly, identifying interference images of a general object by an object identification algorithm, eliminating the images, and then identifying dust or raindrops; as shown in fig. 2, the controller flow logic comprises: judging whether the image has foreign matters or not, and returning to the recognition of the recognition image if the image does not have the foreign matters; if foreign matters exist, whether the foreign matters exist is judged, if the foreign matters exist, the water spraying motor works, and then the wiper works; if the detected water drops are not dust, judging whether water drops exist or not, and if not, returning to image recognition; if there is water drop, the wiper motor works.

Preferably, in combination with the above solutions, as shown in fig. 1 to 2, the automobile data recorder is further configured to record video information in front of a front windshield of the automobile when the automobile is started, that is, the automobile data recorder is in a normal video recording state in the automobile starting state and performs its own function.

Correspondingly, with the above scheme, as shown in fig. 1 to 2, the invention further provides a method for cleaning a front windshield of an automobile, which specifically comprises the following steps:

s1: when the automobile is in a starting state, an automobile data recorder in the automobile acquires image information of the surface of a front windshield of the automobile in real time through a camera of the automobile data recorder and transmits the image information to a comfort domain controller;

s2: the comfort domain controller judges whether foreign matters exist on the surface of the automobile front windshield glass according to the image information of the surface of the automobile front windshield glass provided by the automobile data recorder;

s3: when the comfort domain controller judges that foreign matters exist on the surface of the front windshield of the automobile, an execution signal is sent to the automobile body domain controller, so that the automobile body domain controller controls the nozzle motor and the wiper motor to start working.

The method for cleaning the front windshield glass of the automobile can adopt the camera of the automobile data recorder in the existing automobile to acquire the image of the front windshield glass of the automobile, and then identify foreign matters on the front windshield glass by an image algorithm so as to judge whether the front windshield glass is required to be cleaned or not.

Preferably, in combination with the above solutions, as shown in fig. 1 to 2, in the step S3, when the comfort zone controller determines that the foreign object is dust, the vehicle body zone controller controls the nozzle motor to start to operate first, and then controls the wiper motor to operate; when the comfort domain controller judges that the foreign matter is raindrops, the vehicle body domain controller directly controls the wiper motor to start working; and when the comfort domain controller judges that no foreign object exists, directly returning to the image recognition.

Preferably, in combination with the above solutions, as shown in fig. 1 to 2, in step S2, the comfort domain controller identifies the image information of the surface of the front windshield of the automobile provided by the automobile data recorder through a visual algorithm, and further determines that there is a foreign object on the surface of the front windshield of the automobile.

Preferably, in combination with the above scheme, as shown in fig. 1 to 2, the controlling of the nozzle motor and the wiper motor by the body area controller to start the operation in step S3 includes: controlling the nozzle motor to perform spraying of the glass water, and controlling the wiper motor to perform a wiper scraping operation.

Preferably, in combination with the above scheme, as shown in fig. 1 to 2, the automobile data recorder records and stores video information in front of a front windshield of the automobile when the automobile is in a starting state.

Preferably, in combination with the above solutions, as shown in fig. 1 to 2, the vehicle event data recorder is connected to the comfort domain controller or the central gateway through an ethernet or USB communication protocol, and the central gateway is in communication connection with the vehicle body domain controller and the comfort domain controller respectively; the comfort domain controller transmits the image information of the surface of the front windshield of the automobile to the comfort domain controller through the central gateway.

According to the technical scheme provided by the invention, the existing automobile data recorder is utilized to carry out visual identification on the front windshield glass, so that the intelligent cleaning of the front windshield glass is realized, and the intelligent level of the front windshield glass of the automobile is effectively improved; this application scheme is rational in infrastructure, and intelligent level is higher, can effective reduce cost, improves the science and technology of car and feels.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.