CN111645637B - Intelligent cleaning system for rear camera of automobile - Google Patents

Intelligent cleaning system for rear camera of automobile Download PDF

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Publication number
CN111645637B
CN111645637B CN202010780378.3A CN202010780378A CN111645637B CN 111645637 B CN111645637 B CN 111645637B CN 202010780378 A CN202010780378 A CN 202010780378A CN 111645637 B CN111645637 B CN 111645637B
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China
Prior art keywords
automobile
rear camera
cleaning
telescopic rod
working position
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CN202010780378.3A
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CN111645637A (en
Inventor
李英
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Jixi Zhixu Intelligent Technology Development Co., Ltd
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Jixi Zhixu Intelligent Technology Development Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Studio Devices (AREA)

Abstract

The invention discloses an intelligent cleaning system for a rear camera of an automobile, which relates to the field of artificial intelligence, and is characterized in that 2 rear cameras of the automobile are installed, when one rear camera needs to be cleaned, the rear camera meeting the use requirement is switched to be used through short-time switching operation, and then the rear camera of the automobile needing to be cleaned is cleaned, so that the condition that an automobile owner waits for the cleaning time of the rear camera of the automobile is avoided, the cleaning operation cannot occur in a backing picture, the interference on the backing process cannot be caused, and the safety is higher.

Description

Intelligent cleaning system for rear camera of automobile
Technical Field
The invention relates to the field of artificial intelligence, in particular to an intelligent cleaning system for a rear camera of an automobile.
Background
The automobile is an important vehicle in people's life at present, and in order to make backing more safe, backing images become the standard of more and more automobile types. However, the car owner with the car backing image function always encounters the situation of blurred images in rainy days. The splashed rainwater covers the camera with soil on the ground, so that the picture is not clear.
In order to solve the above problems, there are some solutions in the prior art:
first, some automatic mechanism are used to clean the camera to current scheme, use after cleaning, but above-mentioned scheme has following problem, and the camera is in the state of cleaning during cleaning, and the sight is longer, can't continue to use, and the user need wait to clean and just can continue to use to back a car after accomplishing, leads to backing a car and need wait longer clean time, and these clean operations probably appear in the picture of backing a car when carrying out, cause the influence to the process of backing a car, have certain potential safety hazard.
Second, current scheme uses the water spray sanitizer to clean, but there is water stain in the clear rear surface of sanitizer, and the camera lens is fuzzy because there is stain and water stain, the stain can be washed, water stain needs to be dried, scheme among the prior art cleans and does not dry the operation, it is unclear that only washing is not dried and the water stain leads to the picture equally, and this a series of operations all need consume certain time, need wait for when leading to the car owner to back a car, and these clean operations probably appear in the picture of backing a car when carrying out, cause the influence to the process of backing a car, certain potential safety hazard has.
Disclosure of Invention
In order to solve the problems, the invention provides an intelligent cleaning system for a rear camera of an automobile, which is characterized in that 2 rear cameras of the automobile are installed, when one rear camera needs to be cleaned, the rear camera meeting the use requirement is switched to be used through short-time switching operation, and then the rear camera of the automobile needing to be cleaned is cleaned, so that the condition that an automobile owner waits for the cleaning time of the rear camera of the automobile is avoided, the cleaning operation cannot occur in a backing picture, the interference on the backing process cannot be caused, and the safety is higher.
In order to achieve the above object, the present invention provides an intelligent cleaning system for a rear camera of an automobile, the system includes 2 rear cameras of the automobile, one of the rear cameras of the automobile is located at a storage position inside the automobile, and the other rear camera of the automobile is located at a working position at the tail of the automobile, the system further includes:
a switching unit, a cleaning unit and a control unit; the control unit is used for generating a cleaning instruction based on an operation instruction sent by an automobile central control, sending the cleaning instruction to the switching unit and the cleaning unit, switching the positions of 2 automobile rear cameras based on the cleaning instruction when the cleaning unit is in a non-cleaning state, switching the automobile rear cameras located at the storage positions to working positions, and switching the automobile rear cameras at the working positions to the storage positions; after the switching unit completes the position switching of the 2 automobile rear cameras, the cleaning unit enters a cleaning state based on a cleaning instruction and cleans the automobile rear cameras at the storage positions, cleaning completion information is fed back to the control unit after cleaning is completed, the control unit enters a non-cleaning state, cleaning completion information is fed back to the automobile central control unit after the cleaning completion information is received, and the automobile central control unit displays that cleaning is completed.
The principle of the invention is that 2 automobile rear cameras which are backup to each other are provided, one automobile rear camera is positioned at a storage position in an automobile, the other automobile rear camera is positioned at a working position at the tail part of the automobile, when one automobile rear camera needs to be cleaned, the automobile rear camera meeting the use requirement is switched to the working position, the automobile rear camera needing to be cleaned is switched to the storage position, the problem that the traditional camera is fixed at a certain position and only can be cleaned by a corresponding mechanism, the cleaning time needs to be waited by a user, and the automobile rear camera meeting the use requirement can be used after the cleaning is finished is solved, the system does not need to wait because a new automobile rear camera meeting the use requirement can be used after the switching, and the automobile rear camera at the storage position is cleaned during the cleaning in the system, so the corresponding cleaning mechanism and the cleaning process can not appear in a picture which is displayed in the automobile central control, the car backing device does not interfere with the car backing process, and has higher safety and humanized design.
When the user needs to clean, if the user finds that the picture is unclear or has sundries through the picture displayed by the central control, the user can send a corresponding cleaning instruction through the central control, such as a button or a click on a cleaning button.
Preferably, the system further comprises a detection unit, wherein the detection unit is used for detecting whether sundries exist on the surface of the automobile rear camera at the working position, when the sundries exist on the surface of the automobile rear camera, an automatic cleaning instruction is generated and sent to the control unit, the control unit automatically starts the switching unit to complete the position switching of the 2 automobile rear cameras, and the cleaning unit is started to clean the automobile rear camera at the storage position after the switching.
Wherein, above-mentioned scheme can realize automated inspection self-cleaning's function promptly, do not need the user to judge whether need wash, also do not need the user to send corresponding washing instruction, detecting element can detect whether have debris on the car rear camera surface of work position department, when detecting out car rear camera surface and have debris, then accomplish the position switch of 2 car rear cameras, open clean unit after the switch and clean the car rear camera of storage bit, automated inspection and automatic switch-over and automatic cleaning have been realized, intelligent realization a series of operations, avoid user operation, better intelligence and hommization.
Preferably, the detection unit includes: the device comprises an image analysis module and a protection module; the image analysis module is used for analyzing a judgment image acquired by the rear camera of the automobile at the working position and judging whether impurities exist on the surface of the rear camera of the automobile at the working position; the protection module protects the rear camera of the working position automobile when the rear camera of the working position automobile does not work; the protection module is still used for when the rear-mounted camera of the car of the work position starts work, and the rear-mounted camera of the car utilizes the reference icon in the protection module to gather and judges that the image transmission reaches image analysis module, accomplishes and judges behind the image acquisition, and the protection module is packed up to the outside of the rear-mounted camera field of vision of the car of the work position, and the rear-mounted camera of the car of the work position carries out work.
The image analysis module analyzes an image acquired by the automobile rear camera at the working position by using an image analysis technology, and judges whether impurities exist on the surface of the automobile rear camera at the working position or not based on an analysis result, and the protection module can protect the automobile rear camera at the working position when the automobile rear camera does not work, so that the automobile rear camera is prevented from being damaged or polluted by impurities or stains, frequent cleaning is avoided, and the automobile rear camera is energy-saving and environment-friendly.
Preferably, the image analysis module analyzes the judgment image acquired by the rear camera of the working position automobile, and the specific analysis process comprises the following steps:
the image analysis module compares the acquired judgment image with a standard image;
judging whether sundries exist on the surface of the automobile rear camera at the working position or not based on the comparison result;
the standard image is an image obtained by shooting the reference icon of the protection module when no sundries are on the surface of the rear camera of the automobile at the working position.
The image comparison technology is utilized to compare the difference between the standard image and the judgment image, if foreign matters exist in the difference between the standard image and the judgment image, or the resolution ratio of the standard image and the judgment image is different due to water stain, and the like, the comparison between the standard image and the judgment image can be used for well judging whether foreign matters exist on the surface of the automobile rear camera at the working position, and then accurate operation basis is provided for subsequent cleaning operation.
Preferably, in order to protect the rear camera of the automobile by the protection module, provide a reference icon for the rear camera of the automobile to shoot to obtain a judgment image, and avoid the occurrence of the protection module in the visual field range of the rear camera of the automobile at a working position to interfere with the image collected by the rear camera of the automobile, the invention further improves and designs the protection module, wherein the protection module comprises:
the device comprises a preset rotating motor, a preset rotating shaft, a preset telescopic rod, a protective cover and a preset controller; the visor back is printed with the reference icon, and first through-hole has been seted up to car work position top, predetermines to rotate the motor and fix in the car, predetermines axis of rotation one end and predetermines the output shaft that rotates the motor, predetermines the axis of rotation other end and is connected with the one end of predetermineeing the telescopic link, predetermine the other end of telescopic link pass behind the first through-hole with visor upper end fixed connection, predetermine the controller and be used for predetermineeing and rotate the motor and predetermine the telescopic link and control.
Wherein, the theory of operation of protection module does: it is used for driving to predetermine the telescopic link and rotates to predetermine the rotation motor, and then adjusts the visor for the visor is protecting and avoiding appearing switching in rear camera field of vision scope rear camera, can be so that the rear camera of being convenient for when extending through predetermineeing the flexible of telescopic link judges the shooting of image, withdraws after the shooting is accomplished. When the protection is needed, the protective cover is located outside the rear camera of the automobile at the working position to protect the lens, when the rear camera of the automobile at the working position needs to be used, the protective cover is opened to avoid interference in the visual field range of the rear camera, and the back of the protective cover is printed with a reference icon, so that the rear camera of the automobile at the working position can shoot and judge whether the surface of an image has impurities or not.
When the rear camera of the working position automobile is started to work, the preset controller controls the preset telescopic rod to extend to a third preset length, then the rear camera of the working position automobile shoots an image on the back surface of the protective cover to obtain a judgment image, then the preset controller starts the preset rotating motor to rotate for a half circle, and then the preset controller controls the preset telescopic rod to shorten to the initial length, so that the protective cover is positioned outside the visual field range of the rear camera of the working position automobile; then when the work of the rear camera of the automobile at the working position is finished and the rear camera of the automobile at the working position enters a non-working state, the preset controller starts the preset rotating motor to rotate for a half circle, so that the protective cover is positioned outside the rear camera of the automobile at the working position to protect the lens.
Preferably, the cleaning of the rear camera of the automobile at the storage position comprises the following steps: and washing and drying the lens of the automobile rear camera at the storage position.
Wherein, current camera of putting is clean only to wash or clean, do not dry, need wait for longer time because of the stoving, but the camera has water stain after washing to remain if not dry then can lead to the picture that the rear camera of car shot unclear, this system can dry, it is clear that the picture is shot to the rear camera after the guarantee is clean, and stoving in this system is gone on at the storage position, can not disturb the rear camera of workstation, and the user also need not wait for the stoving time of response, the picture that utilizes the workstation to shoot shows of backing a car.
Preferably, the tail part of the automobile is provided with a first cavity, the storage position is located in the first cavity, the tail part of the automobile is provided with a first notch, and the working position is located at the first notch; the switching unit includes:
the device comprises a first controller, a mounting base, a first rotating motor, a first rotating shaft and a connecting rod; the first controller is used for controlling the first rotating motor based on the instruction of the control unit, the mounting base is mounted in the automobile, the first rotating motor is mounted on the mounting base, the lower end of the first rotating shaft is connected with an output shaft of the first rotating motor, the upper end of the first rotating shaft is fixedly connected with the lower surface of the middle part of the connecting rod, one automobile rear camera is mounted at one end of the connecting rod, the other automobile rear camera is mounted at the other end of the connecting rod, when 2 automobile rear cameras need to perform position switching operation, the control unit controls the output shaft of the first rotating motor to rotate for half a circle through the first controller, when the last position switching operation of the output shaft of the first rotating motor is a forward rotation half circle, the position switching operation is a reverse rotation half circle, when the last position switching operation of the output shaft of the first rotating motor is a reverse rotation half circle, the position switching operation is a positive rotation half-turn, and the two ends of the connecting rod respectively correspond to the working position and the storage position when the position switching operation is finished each time.
Wherein, the operating principle of the switching unit is as follows: when needs switch over, first rotation motor is used for driving first axis of rotation and rotates, and then drives the connecting rod and rotate, and then realizes the switching of car rear camera position on work position and the storage bit, rotates half a circle and next pivoted direction at every turn and last pivoted opposite direction, and the purpose of design like this avoids rotating many circles in succession and leads to the circuit winding. The switching unit only rotates half a turn at every turn, and can rotate back next time for the whole moving range of rearmounted camera is little, and avoids simultaneously rotating the circle all the time and leads to the circuit winding together.
Preferably, the cleaning unit includes:
the device comprises a first storage box, a second storage box, an air heater, a first air pipe, an air distribution valve, a plurality of second air pipes, a plurality of first air nozzles, a water pump, a first water pipe, a first nozzle, a cleaning cover, a disc, a first telescopic rod, a second telescopic rod, a third telescopic rod, an electric cleaning brush, a collecting barrel, a drain pipe and a second controller;
one end of a first telescopic rod is fixedly connected with a fixed object, the other end of the first telescopic rod is fixedly connected with the outer surface of the rear end of a cleaning cover, the front end of the cleaning cover is an open end, one end of a third telescopic rod is fixedly connected with the inner wall of the rear end of the cleaning cover, the other end of the third telescopic rod is connected with the fixed end of an electric cleaning brush, and the cleaning end of the electric cleaning brush extends towards the open end of the cleaning cover; one end of a second telescopic rod is fixedly connected with the inner wall of one side of the cleaning cover, the other end of the second telescopic rod extends towards the middle part in the cleaning cover and is fixedly connected with the side face of the disc, a water spraying hole is formed in the middle part of the disc, a plurality of exhaust holes are formed in the disc and are uniformly distributed around the water spraying hole, one end of a first air pipe is connected with an air outlet of the air heater, the other end of the first air pipe is connected with one ends of a plurality of second air pipes through air distribution valves, the second air pipes are in one-to-one correspondence with first air nozzles, the other ends of the second air pipes are connected with air inlets corresponding to the first air nozzles, the first air nozzles are in one-to-one correspondence with the exhaust holes, the first air; one end of a first water pipe extends into the first storage tank and is connected with the water pump, cleaning water is stored in the first storage tank, the other end of the first water pipe is connected with a first nozzle, the first nozzle is installed in a water spraying hole, and the first nozzle is used for spraying water to the rear camera of the automobile on the storage position; the lower surface of the cleaning cover is of a net structure, the lower surface of the cleaning cover is communicated with the upper end of the collecting barrel, one end of the drain pipe is communicated with the bottom of the collecting barrel, and the other end of the drain pipe extends into the second storage box; the second controller is used for receiving a control instruction of the control unit and controlling the air heater, the water pump, the first telescopic rod, the second telescopic rod, the third telescopic rod and the electric cleaning brush based on the control instruction.
Wherein, the cleaning principle of the cleaning unit in the invention is as follows: when the automobile rear camera needs to be cleaned, the first telescopic rod extends to enable the automobile rear camera to be located in the cleaning cover, cleaning water can be prevented from splashing everywhere in the cleaning cover, the collector is used for collecting the cleaned water, the hot air generated by the hot air blower can be used for drying, the electric cleaning brush can be used for cleaning the surface of the lens of the automobile rear camera, the disc and the second telescopic rod are designed in the cleaning device, the position of the disc can be adjusted through the second telescopic rod, the cleaning brush is prevented from being blocked, and when the drying and the water spraying are needed, the electric cleaning brush is retracted, the disc is moved out to be dried and the water spraying is carried out.
Preferably, the cleaning process of the cleaning unit for the rear camera of the automobile at the storage position comprises the following steps:
the second controller receives a cleaning instruction sent by the control unit, and controls the first telescopic rod to extend to a first preset length, so that the rear camera of the automobile penetrates through the opening end to be located in the cleaning cover;
the second controller controls the second telescopic rod to extend to a second preset length, so that the disc corresponds to the rear camera of the automobile;
the second controller starts the water pump to enable the first nozzle to spray water to the rear camera of the automobile for the first time;
after the first water spraying is finished, the water pump is turned off, the second controller controls the second telescopic rod to be shortened to the initial length, and controls the third telescopic rod to be extended to a third preset length, so that the cleaning end of the electric cleaning brush is in contact with the rear camera of the automobile;
the second controller starts the electric cleaning brush to clean the rear camera of the automobile, closes the electric cleaning brush after cleaning is finished, and controls the third telescopic rod to shorten to the initial length;
the second controller controls the second telescopic rod to extend to a second preset length, so that the disc corresponds to the rear camera of the automobile;
the second controller starts the water pump to enable the first nozzle to spray water to the rear camera of the automobile for the second time;
after the second water spraying is finished, the water pump is closed, and the hot air blower is started by the second controller, so that the first air nozzle can air-dry the rear camera of the automobile;
after the air drying is finished, the air heater is turned off, and the second controller controls the second telescopic rod to be shortened to the initial length.
The operation of primary water spraying, cleaning, secondary water spraying and drying is completed through the cleaning process, so that the cleaned automobile rear camera is clean and has no water stain, and the automatic cleaning of the automobile rear camera is realized.
One or more technical schemes provided by the invention at least have the following technical effects or advantages:
this system is through installing 2 rear-mounted cameras of car, when a rear-mounted camera need clean, through the switching operation of short time, switch out the rear-mounted camera of car that accords with the operation requirement and use, then carry out clear rear-mounted camera of car to the needs after the switching and clean, avoided the car owner to wait for the clean time of rear-mounted camera of car, and wash the operation and can not appear in the picture of backing a car, can not cause the interference to the process of backing a car, the security is higher.
The system can realize the automatic detection and automatic cleaning functions, does not need a user to judge whether cleaning is needed or not, does not need the user to send a corresponding cleaning instruction, realizes automatic detection, automatic switching and automatic cleaning, realizes a series of intelligent operations, avoids user operation, and is better intelligent and humanized.
The protection module in the system can protect the automobile rear camera at the working position when the automobile rear camera does not work, so that the automobile rear camera is prevented from being damaged or polluted by impurities or stains, frequent cleaning is avoided, and the system is energy-saving and environment-friendly.
The protection module in the system can protect the automobile rear camera, and can provide a reference icon for the automobile rear camera to shoot to obtain a judgment image, and avoid the phenomenon that the protection module interferes with a picture acquired by the automobile rear camera in the visual field range of the automobile rear camera at a working position.
The cleaning unit in the system can be used for drying, the clear picture shot by the rear camera after cleaning is guaranteed, the drying in the system is carried out at the storage position, the interference on the rear camera of the working position is avoided, the user does not need to wait for the response drying time, and the picture shot by the working position is used for displaying the image for backing.
The switching unit in the system not only can realize the position switching of the automobile rear camera on the working position and the storage position, but also only rotates a half circle at each time and can rotate back next time, so that the overall moving range of the rear camera is small, and the phenomenon that the circuit is wound together due to the fact that the circuit is rotated all the time is avoided.
The cleaning unit in the system can well clean the rear camera, and the cleaned automobile rear camera is clean and free of water stain, so that the automatic cleaning of the automobile rear camera is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention;
FIG. 1 is a schematic diagram of the intelligent cleaning system for the rear camera of the automobile;
FIG. 2 is a schematic structural diagram of a rear camera of a working position automobile shooting a reference icon image on the back of a protective cover;
FIG. 3 is a schematic structural view of a rear camera of an automobile at a working position when the rear camera is not opened;
FIG. 4 is a schematic view of the rear camera of the vehicle at the working position after being turned on
FIG. 5 is a schematic diagram of a switching unit according to the present invention;
FIG. 6 is a schematic view showing the structure of a cleaning unit according to the present invention;
FIG. 7 is a schematic view of the construction of a disk according to the present invention;
wherein, 1-a first through hole, 2-a preset rotating motor, 3-a preset rotating shaft, 4-a preset telescopic rod, 5-a car shell, 6-a protective cover, 7-a preset controller, 8-a reference icon, 9-a working position car rear camera, 10-a first controller, 11-a mounting base, 12-a first rotating motor, 13-a first rotating shaft, 14-a connecting rod, 15-a storage position car rear camera, 16-a first storage box, 17-a second storage box, 18-a hot air blower, 19-a first air pipe, 20-a gas separating valve, 21-a second air pipe, 22-a first air nozzle, 23-a water pump, 24-a first water pipe, 25-a first nozzle, 26-a cleaning cover and 27-a disc, 28-a first telescopic rod, 29-a fixed object, 30-a second telescopic rod, 31-a third telescopic rod, 32-an electric cleaning brush, 33-a collecting barrel, 34-a drain pipe, 35-a water spray hole and 36-an exhaust hole.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflicting with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Example one
Referring to fig. 1, an embodiment of the present invention provides an intelligent cleaning system for a rear camera of an automobile, where the system includes 2 rear cameras of the automobile, one of the rear cameras of the automobile is located in a storage location inside the automobile, and the other rear camera of the automobile is located in a working location at the tail of the automobile, and the system further includes:
a switching unit, a cleaning unit and a control unit; the control unit is used for generating a cleaning instruction based on an operation instruction sent by an automobile central control, sending the cleaning instruction to the switching unit and the cleaning unit, switching the positions of 2 automobile rear cameras based on the cleaning instruction when the cleaning unit is in a non-cleaning state, switching the automobile rear cameras located at the storage positions to working positions, and switching the automobile rear cameras at the working positions to the storage positions; after the switching unit completes the position switching of the 2 automobile rear cameras, the cleaning unit enters a cleaning state based on a cleaning instruction and cleans the automobile rear cameras at the storage positions, cleaning completion information is fed back to the control unit after cleaning is completed, the control unit enters a non-cleaning state, cleaning completion information is fed back to the automobile central control unit after the cleaning completion information is received, and the automobile central control unit displays that cleaning is completed.
Example two
On the basis of the first embodiment, the system in the embodiment further comprises a detection unit, wherein the detection unit is used for detecting whether sundries exist on the surface of the automobile rear camera at the working position, such as dirt and water stain, when the dirt and the water stain appear on the surface of the automobile rear camera, a shot picture is large in obstacles or unclear, cleaning is needed, when the sundries exist on the surface of the automobile rear camera, an automatic cleaning instruction is generated and sent to the control unit, the control unit automatically starts the switching unit to complete position switching of the 2 automobile rear cameras, and the cleaning unit is started after the switching to clean the automobile rear cameras at the storage positions.
Wherein, in this embodiment, the detection unit includes: the device comprises an image analysis module and a protection module; the image analysis module is used for analyzing a judgment image acquired by the rear camera of the automobile at the working position, such as an image recognition technology, an image analysis technology or an image comparison technology and the like, and judging whether impurities exist on the surface of the rear camera of the automobile at the working position; when the working position automobile rear camera does not work, the protection module protects the working position automobile rear camera to prevent the camera from being damaged or dirt from falling on the lens of the camera; the protection module is still used for when the rear-mounted camera of the car of the work position starts work, and the rear-mounted camera of the car utilizes the reference icon in the protection module to gather and judges that the image transmission reaches image analysis module, accomplishes and judges behind the image acquisition, and the protection module is packed up to the outside of the rear-mounted camera field of vision of the car of the work position, and the rear-mounted camera of the car of the work position carries out work. The reference icon can be a preset pattern printed on the protection module, and whether sundries exist on the surface of the rear camera can be judged by collecting the marked image and comparing the marked image with the judgment image.
Wherein, in this embodiment, image analysis module carries out the analysis to the judgement image that the rear-mounted camera of work position car was gathered, and specific analytic process includes:
the image analysis module compares the acquired judgment image with a standard image;
judging whether sundries exist on the surface of the automobile rear camera at the working position or not based on the comparison result;
the standard image is an image obtained by shooting the reference icon of the protection module when no sundries are on the surface of the rear camera of the automobile at the working position.
In this embodiment, the image analysis module may also be implemented by an image analysis module based on deep learning, for example, a training sample is first collected, for example, a large number of images collected by a rear camera of an automobile with stain and water stain conditions are obtained, a training set is obtained, the image analysis module is trained by using the training set to obtain the trained image analysis module, and the trained image analysis module has corresponding analysis and recognition capabilities, and can recognize images collected by the rear camera of the automobile with stain and water stain conditions.
EXAMPLE III
Referring to fig. 2 to 4, on the basis of the second embodiment, the protection module in this embodiment includes:
the device comprises a preset rotating motor 2, a preset rotating shaft 3, a preset telescopic rod 4, a protective cover 6 and a preset controller 7; the visor back is printed on reference icon 8, and first through-hole 1 has been seted up to car work position top, predetermines to rotate the motor and fix in the car, predetermines axis of rotation one end and predetermines the output shaft that rotates the motor, predetermines the axis of rotation other end and is connected with the one end of predetermineeing the telescopic link, predetermine the other end of telescopic link and pass behind the first through-hole with visor upper end fixed connection, predetermine the controller and be used for predetermineeing and rotate the motor and predetermine the telescopic link and control.
FIG. 2 is a schematic structural diagram of a rear camera of a working position automobile shooting a reference icon image on the back of a protective cover, 5 is an automobile shell, and 9 is the rear camera of the working position automobile;
FIG. 3 is a schematic structural view of a rear camera of an automobile at a working position when the rear camera is not opened;
FIG. 4 is a schematic structural diagram of the rear camera of the automobile at the working position after being started to work;
the size of the protective cover is matched with the size of a lens of the rear camera of the automobile, and the preset rotating motor, the preset telescopic rod and the preset controller are all provided with a special power supply or are powered by the automobile power supply.
In the embodiment, when the rear camera of the working position automobile is not opened, the protective cover is positioned outside the rear camera of the working position automobile to protect the lens, when the rear camera of the working position automobile is opened to work, the preset controller controls the preset telescopic rod to extend to a third preset length, then the rear camera of the working position automobile shoots an image on the back of the protective cover to obtain a judgment image, then the preset controller starts the preset rotating motor to rotate for a half circle, and then the preset controller controls the preset telescopic rod to shorten to the initial length, so that the protective cover is positioned outside the visual field range of the rear camera of the working position automobile; then when the work of the rear camera of the automobile at the working position is finished and the rear camera of the automobile at the working position enters a non-working state, the preset controller starts the preset rotating motor to rotate for a half circle, so that the protective cover is positioned outside the rear camera of the automobile at the working position to protect the lens.
Example four
On the basis of the first embodiment, the cleaning of the rear camera of the automobile at the storage position in the embodiment includes: and washing and drying the lens of the automobile rear camera at the storage position. The water washing can wash away the spot, and the stoving can get rid of the image clarity that remains water stain guarantee and gather.
In this embodiment, the vehicle tail is provided with a first cavity, the storage bit is located in the first cavity, the vehicle tail is provided with a first notch, and the working position is located at the first notch; referring to fig. 5, the switching unit includes:
a first controller 10, a mounting base 11, a first rotating motor 12, a first rotating shaft 13, and a connecting rod 14; the first controller is used for controlling the first rotating motor based on the instruction of the control unit, the mounting base is mounted in the automobile, the first rotating motor is mounted on the mounting base, the lower end of the first rotating shaft is connected with an output shaft of the first rotating motor, the upper end of the first rotating shaft is fixedly connected with the lower surface of the middle part of the connecting rod, one automobile rear camera is mounted at one end of the connecting rod, the other automobile rear camera is mounted at the other end of the connecting rod, when 2 automobile rear cameras need to perform position switching operation, the control unit controls the output shaft of the first rotating motor to rotate for half a circle through the first controller, when the last position switching operation of the output shaft of the first rotating motor is a forward rotation half circle, the position switching operation is a reverse rotation half circle, when the last position switching operation of the output shaft of the first rotating motor is a reverse rotation half circle, the position switching operation is a positive rotation half-turn, and the two ends of the connecting rod respectively correspond to the working position and the storage position when the position switching operation is finished each time.
Wherein 15 is a storage position automobile rear camera.
The first controller 10 and the first rotating electric machine 12 may be provided with separate power sources or may be used together with the vehicle.
The first cavity can be located in a trunk of the automobile, and the size of the first notch is matched with that of the rear camera of the automobile.
In order to save weight and space, related equipment in the system can adopt small-size fine equipment as much as possible.
EXAMPLE five
Referring to fig. 6 to 7, on the basis of the first embodiment, the cleaning unit in the present embodiment includes:
the device comprises a first storage box 16, a second storage box 17, a hot air blower 18, a first air pipe 19, an air distribution valve 20, a plurality of second air pipes 21, a plurality of first air nozzles 22, a water pump 23, a first water pipe 24, a first nozzle 25, a cleaning cover 26, a disc 27, a first telescopic rod 28, a second telescopic rod 30, a third telescopic rod 31, an electric cleaning brush 32, a collecting barrel 33, a water discharge pipe 34 and a second controller;
one end of the first telescopic rod is fixedly connected with the fixed object 29, the other end of the first telescopic rod is fixedly connected with the outer surface of the rear end of the cleaning cover, the front end of the cleaning cover is an open end, one end of the third telescopic rod is fixedly connected with the inner wall of the rear end of the cleaning cover, the other end of the third telescopic rod is connected with the fixed end of the electric cleaning brush, and the cleaning end of the electric cleaning brush extends towards the open end of the cleaning cover; one end of a second telescopic rod is fixedly connected with the inner wall of one side of the cleaning cover, the other end of the second telescopic rod extends towards the middle part in the cleaning cover and is fixedly connected with the side face of the disc, a water spraying hole 35 is formed in the middle part of the disc, a plurality of exhaust holes 36 are formed in the disc and are uniformly distributed around the water spraying hole, one end of a first air pipe is connected with an air outlet of the air heater, the other end of the first air pipe is connected with one ends of a plurality of second air pipes through air distribution valves, the second air pipes are in one-to-one correspondence with first air nozzles, the other ends of the second air pipes are connected with air inlets corresponding to the first air nozzles, the first air nozzles are in one-to-one correspondence with the exhaust holes, the first air; one end of a first water pipe extends into the first storage tank and is connected with the water pump, cleaning water is stored in the first storage tank, the other end of the first water pipe is connected with a first nozzle, the first nozzle is installed in a water spraying hole, and the first nozzle is used for spraying water to the rear camera of the automobile on the storage position; the lower surface of the cleaning cover is of a net structure, the lower surface of the cleaning cover is communicated with the upper end of the collecting barrel, one end of the drain pipe is communicated with the bottom of the collecting barrel, and the other end of the drain pipe extends into the second storage box; the second controller is used for receiving a control instruction of the control unit and controlling the air heater, the water pump, the first telescopic rod, the second telescopic rod, the third telescopic rod and the electric cleaning brush based on the control instruction.
The number of the second air pipes and the number of the first air nozzles can be adjusted according to actual requirements. The telescopic links in this embodiment are all electric telescopic links.
Wherein, the electric cleaning brush is a soft hair electric cleaning brush, and avoids scratching the surface of the rear camera of the automobile.
Wherein, the second storage tank can be used for collecting the cleaned sewage and regularly discharging and cleaning the sewage.
Wherein, in this embodiment, the cleaning unit is to the washing process of the car rear camera of memory position including:
the second controller receives a cleaning instruction sent by the control unit, and controls the first telescopic rod to extend to a first preset length, so that the rear camera of the automobile penetrates through the opening end to be located in the cleaning cover;
the second controller controls the second telescopic rod to extend to a second preset length, so that the disc corresponds to the rear camera of the automobile;
the second controller starts the water pump to enable the first nozzle to spray water to the rear camera of the automobile for the first time;
after the first water spraying is finished, the water pump is turned off, the second controller controls the second telescopic rod to be shortened to the initial length, and controls the third telescopic rod to be extended to a third preset length, so that the cleaning end of the electric cleaning brush is in contact with the rear camera of the automobile;
the second controller starts the electric cleaning brush to clean the rear camera of the automobile, closes the electric cleaning brush after cleaning is finished, and controls the third telescopic rod to shorten to the initial length;
the second controller controls the second telescopic rod to extend to a second preset length, so that the disc corresponds to the rear camera of the automobile;
the second controller starts the water pump to enable the first nozzle to spray water to the rear camera of the automobile for the second time;
after the second water spraying is finished, the water pump is closed, and the hot air blower is started by the second controller, so that the first air nozzle can air-dry the rear camera of the automobile;
after the air drying is finished, the air heater is turned off, and the second controller controls the second telescopic rod to be shortened to the initial length.
Wherein, in this embodiment, the length that the telescopic link is elongated and the length of time that the water pump was opened and the length of time that the air heater was opened all can adjust according to the demand of reality.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (7)

1. The utility model provides a clean system of car rear camera intelligence, a serial communication port, the system includes 2 car rear cameras, and one of them car rear camera is located the inside storage position of car, and another car rear camera is located the work position of car afterbody, the system still includes:
a switching unit, a cleaning unit and a control unit; the control unit is used for generating a cleaning instruction based on an operation instruction sent by an automobile central control, sending the cleaning instruction to the switching unit and the cleaning unit, switching the positions of 2 automobile rear cameras based on the cleaning instruction when the cleaning unit is in a non-cleaning state, switching the automobile rear cameras located at the storage positions to working positions, and switching the automobile rear cameras at the working positions to the storage positions; after the switching unit completes the position switching of 2 automobile rear cameras, the cleaning unit enters a cleaning state based on a cleaning instruction and cleans the automobile rear cameras at storage positions, cleaning completion information is fed back to the control unit after cleaning is completed, the control unit enters a non-cleaning state, cleaning completion information is fed back to an automobile central control after the control unit receives the cleaning completion information, and the automobile central control displays that cleaning is completed;
the system also comprises a detection unit, wherein the detection unit is used for detecting whether sundries exist on the surface of the automobile rear camera at the working position, when the sundries exist on the surface of the automobile rear camera, an automatic cleaning instruction is generated and sent to the control unit, the control unit automatically starts the switching unit to complete the position switching of 2 automobile rear cameras, and the cleaning unit is started to clean the automobile rear camera at the storage position after the switching;
the detection unit includes: the device comprises an image analysis module and a protection module; the image analysis module is used for analyzing a judgment image acquired by the rear camera of the automobile at the working position and judging whether impurities exist on the surface of the rear camera of the automobile at the working position; the protection module protects the rear camera of the working position automobile when the rear camera of the working position automobile does not work; the protection module is also used for collecting and judging images by the automobile rear camera through the reference icons in the protection module and transmitting the images to the image analysis module when the automobile rear camera at the working position is started to work, after the judgment images are collected, the protection module is folded to be out of the visual field range of the automobile rear camera at the working position, and the automobile rear camera at the working position works;
the protection module includes:
the device comprises a preset rotating motor, a preset rotating shaft, a preset telescopic rod, a protective cover and a preset controller; the visor back is printed with the reference icon, and first through-hole has been seted up to car work position top, predetermines to rotate the motor and fix in the car, predetermines axis of rotation one end and predetermines the output shaft that rotates the motor, predetermines the axis of rotation other end and is connected with the one end of predetermineeing the telescopic link, predetermine the other end of telescopic link pass behind the first through-hole with visor upper end fixed connection, predetermine the controller and be used for predetermineeing and rotate the motor and predetermine the telescopic link and control.
2. The intelligent cleaning system for the automobile rear camera according to claim 1, wherein the image analysis module analyzes the judgment image acquired by the automobile rear camera at the working position, and the specific analysis process comprises the following steps:
the image analysis module compares the acquired judgment image with a standard image;
judging whether sundries exist on the surface of the automobile rear camera at the working position or not based on the comparison result;
the standard image is an image obtained by shooting the reference icon of the protection module when no sundries are on the surface of the rear camera of the automobile at the working position.
3. The intelligent cleaning system for the rear camera of the automobile as claimed in claim 1, wherein when the working position automobile rear camera is not opened, the protective cover is located outside the working position automobile rear camera to protect the lens, when the working position automobile rear camera is opened to work, the preset controller controls the preset telescopic rod to extend to a third preset length, then the working position automobile rear camera takes an image of the back surface of the protective cover to obtain a judgment image, then the preset controller starts the preset rotating motor to rotate for a half turn, and then the preset controller controls the preset telescopic rod to shorten to the initial length, so that the protective cover is located outside the visual field range of the working position automobile rear camera; then when the work of the rear camera of the automobile at the working position is finished and the rear camera of the automobile at the working position enters a non-working state, the preset controller starts the preset rotating motor to rotate for a half circle, so that the protective cover is positioned outside the rear camera of the automobile at the working position to protect the lens.
4. The intelligent cleaning system for the rear camera of the automobile as claimed in claim 1, wherein the cleaning of the rear camera of the automobile at the storage position comprises: and washing and drying the lens of the automobile rear camera at the storage position.
5. The intelligent cleaning system for the rear camera of the automobile according to claim 1, wherein a first cavity is formed in the tail of the automobile, the storage position is located in the first cavity, a first notch is formed in the tail of the automobile, and the working position is located at the first notch; the switching unit includes:
the device comprises a first controller, a mounting base, a first rotating motor, a first rotating shaft and a connecting rod; the first controller is used for controlling the first rotating motor based on the instruction of the control unit, the mounting base is mounted in the automobile, the first rotating motor is mounted on the mounting base, the lower end of the first rotating shaft is connected with an output shaft of the first rotating motor, the upper end of the first rotating shaft is fixedly connected with the lower surface of the middle part of the connecting rod, one automobile rear camera is mounted at one end of the connecting rod, the other automobile rear camera is mounted at the other end of the connecting rod, when 2 automobile rear cameras need to perform position switching operation, the control unit controls the output shaft of the first rotating motor to rotate for half a circle through the first controller, when the last position switching operation of the output shaft of the first rotating motor is a forward rotation half circle, the position switching operation is a reverse rotation half circle, when the last position switching operation of the output shaft of the first rotating motor is a reverse rotation half circle, the position switching operation is a positive rotation half-turn, and the two ends of the connecting rod respectively correspond to the working position and the storage position when the position switching operation is finished each time.
6. The intelligent cleaning system for the rear camera of the automobile as claimed in any one of claims 1 to 5, wherein the cleaning unit comprises:
the device comprises a first storage box, a second storage box, an air heater, a first air pipe, an air distribution valve, a plurality of second air pipes, a plurality of first air nozzles, a water pump, a first water pipe, a first nozzle, a cleaning cover, a disc, a first telescopic rod, a second telescopic rod, a third telescopic rod, an electric cleaning brush, a collecting barrel, a drain pipe and a second controller;
one end of a first telescopic rod is fixedly connected with a fixed object, the other end of the first telescopic rod is fixedly connected with the outer surface of the rear end of a cleaning cover, the front end of the cleaning cover is an open end, one end of a third telescopic rod is fixedly connected with the inner wall of the rear end of the cleaning cover, the other end of the third telescopic rod is connected with the fixed end of an electric cleaning brush, and the cleaning end of the electric cleaning brush extends towards the open end of the cleaning cover; one end of a second telescopic rod is fixedly connected with the inner wall of one side of the cleaning cover, the other end of the second telescopic rod extends towards the middle part in the cleaning cover and is fixedly connected with the side face of the disc, a water spraying hole is formed in the middle part of the disc, a plurality of exhaust holes are formed in the disc and are uniformly distributed around the water spraying hole, one end of a first air pipe is connected with an air outlet of the air heater, the other end of the first air pipe is connected with one ends of a plurality of second air pipes through air distribution valves, the second air pipes are in one-to-one correspondence with first air nozzles, the other ends of the second air pipes are connected with air inlets corresponding to the first air nozzles, the first air nozzles are in one-to-one correspondence with the exhaust holes, the first air; one end of a first water pipe extends into the first storage tank and is connected with the water pump, cleaning water is stored in the first storage tank, the other end of the first water pipe is connected with a first nozzle, the first nozzle is installed in a water spraying hole, and the first nozzle is used for spraying water to the rear camera of the automobile on the storage position; the lower surface of the cleaning cover is of a net structure, the lower surface of the cleaning cover is communicated with the upper end of the collecting barrel, one end of the drain pipe is communicated with the bottom of the collecting barrel, and the other end of the drain pipe extends into the second storage box; the second controller is used for receiving a control instruction of the control unit and controlling the air heater, the water pump, the first telescopic rod, the second telescopic rod, the third telescopic rod and the electric cleaning brush based on the control instruction.
7. The intelligent cleaning system for the rear camera of the automobile as claimed in claim 6, wherein the cleaning process of the cleaning unit for the rear camera of the automobile at the storage position comprises the following steps:
the second controller receives a cleaning instruction sent by the control unit, and controls the first telescopic rod to extend to a first preset length, so that the rear camera of the automobile penetrates through the opening end to be located in the cleaning cover;
the second controller controls the second telescopic rod to extend to a second preset length, so that the disc corresponds to the rear camera of the automobile;
the second controller starts the water pump to enable the first nozzle to spray water to the rear camera of the automobile for the first time;
after the first water spraying is finished, the water pump is turned off, the second controller controls the second telescopic rod to be shortened to the initial length, and controls the third telescopic rod to be extended to a third preset length, so that the cleaning end of the electric cleaning brush is in contact with the rear camera of the automobile;
the second controller starts the electric cleaning brush to clean the rear camera of the automobile, closes the electric cleaning brush after cleaning is finished, and controls the third telescopic rod to shorten to the initial length;
the second controller controls the second telescopic rod to extend to a second preset length, so that the disc corresponds to the rear camera of the automobile;
the second controller starts the water pump to enable the first nozzle to spray water to the rear camera of the automobile for the second time;
after the second water spraying is finished, the water pump is closed, and the hot air blower is started by the second controller, so that the first air nozzle can air-dry the rear camera of the automobile;
after the air drying is finished, the air heater is turned off, and the second controller controls the second telescopic rod to be shortened to the initial length.
CN202010780378.3A 2020-08-06 2020-08-06 Intelligent cleaning system for rear camera of automobile Active CN111645637B (en)

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