Self-cleaning systems and vehicles

Abstract

This application relates to a self-cleaning system and vehicle. The self-cleaning system includes a controller and multiple sets of scraper assemblies, which are respectively installed in the vehicle to clean the vehicle's exterior surfaces. The controller is electrically connected to the vehicle's door assemblies and the scraper assemblies. When the door assemblies are not closed, the controller can control the scraper assemblies to be in a locked state; when the door assemblies are closed, the controller can control the scraper assemblies to be in an unlocked state. The self-cleaning system and vehicle provided by this application solve the problem of high vehicle operating costs caused by the need for frequent car washes in existing vehicles.

Description

Technical Field

[0001] This application relates to the field of vehicle cleaning device technology, and in particular to a self-cleaning system and vehicle. Background Technology

[0002] Vehicle use is often affected by factors such as weather and road conditions, which can cause vehicles to become dusty or dirty. For car owners who have high requirements for the appearance and driving comfort of their vehicles, it is necessary to wash the car frequently to keep it clean and new at all times. This is especially important for vehicles with panoramic windows, as keeping all light-transmitting areas of the vehicle bright and clean at all times is crucial for the driving experience.

[0003] However, car washing cannot be done anytime and anywhere; you need to drive your car to a car wash and sometimes have to wait in line. Therefore, the time and effort costs of car washing are relatively high. In addition, each car wash costs tens to hundreds of yuan. Overall, frequent car washes will significantly increase the cost of vehicle use. Utility Model Content

[0004] Therefore, it is necessary to provide a self-cleaning system and vehicle to solve the problem of high vehicle operating costs caused by the need for frequent car washes in existing vehicles.

[0005] The self-cleaning system provided in this application includes a controller and multiple sets of scraper assemblies. The multiple sets of scraper assemblies are installed on the vehicle to clean the exterior surface of the vehicle. The controller is electrically connected to the vehicle door assembly and the scraper assembly respectively. When the door assembly is not closed, the controller can control the scraper assembly to be in a locked state. When the door assembly is closed, the controller can control the scraper assembly to enter an unlocked state.

[0006] In one embodiment, each set of brush components is installed in a different area on the vehicle surface, and the controller can control each set of brush components to operate independently, or the controller can control multiple sets of brush components to operate synchronously.

[0007] In one embodiment, the scraper assembly includes a first scraper group disposed at the junction of the vehicle top and side to clean surface areas of the vehicle top and side.

[0008] In one embodiment, the first brush assembly includes a plurality of brush arms, which are defined as a first arm, a second arm, a third arm, and a fourth arm, respectively. The first and second arms are located on the front side of the vehicle and are positioned opposite each other along the width direction of the vehicle. The third and fourth arms are located on the rear side of the vehicle and are positioned opposite each other along the width direction of the vehicle.

[0009] In one embodiment, the areas of the movable coverage areas of the first arm, the second arm, the third arm, and the fourth arm are all equal. The ratio A of the overlapping area of ​​the movable coverage areas of two adjacent brush arms to the area of ​​the movable coverage area of ​​one of the brush arms satisfies 1%≤A≤20%, and the ratio B of the overlapping area of ​​the movable coverage areas of two opposite brush arms to the area of ​​the movable coverage area of ​​one of the brush arms satisfies 60%≤B≤90%.

[0010] In one embodiment, the brush assembly further includes a third brush group disposed at the rear of the vehicle to clean the rear surface area of ​​the vehicle.

[0011] In one embodiment, each set of brush assemblies includes multiple brush arms, each brush arm being electrically connected to a controller. The controller can control each brush arm to operate independently, or the controller can control multiple brush arms to operate synchronously.

[0012] In one embodiment, each scraper arm includes a motor, a linkage mechanism, a scraper blade, and a washing device. A controller is electrically connected to the motor and the washing device respectively. The linkage mechanism is connected to the output end of the motor. The scraper blade is located at the end of the linkage mechanism away from the motor. The controller can control the motor to rotate and drive the scraper blade to rotate reciprocally through the linkage mechanism. The controller can control the washing device to spray cleaning liquid toward the corresponding area of ​​the vehicle so that the scraper blade can absorb and clean the stains on the surface of the vehicle through the cleaning liquid.

[0013] In one embodiment, the washing device includes a first storage tank, a second storage tank, a solenoid valve, a pump, and a delivery pipeline. The first storage tank is used to store water, and the second storage tank is used to store detergent. The scraper is provided with a delivery channel and a plurality of nozzles spaced apart along its own length. The delivery channel is connected to each nozzle. The first and second storage tanks are respectively connected to the delivery channel through the delivery pipeline so that water or detergent can be sprayed out through each nozzle. The solenoid valve and the pump are respectively disposed in the delivery pipeline. The controller is electrically connected to the solenoid valve and the pump so that the pump can be connected to the first or second storage tank through the solenoid valve.

[0014] This application also provides a vehicle that includes the self-cleaning system described in any of the above embodiments.

[0015] Compared with existing technologies, the self-cleaning system and vehicle provided in this application have several significant advantages. The self-cleaning system design effectively solves many pain points of traditional car washing, bringing car owners a brand-new vehicle cleaning experience. In terms of cost savings, this self-cleaning system eliminates the need for car owners to rely on external car wash services, saving on washing costs. Furthermore, car owners can clean their vehicles during fragmented time such as when parking and resting, without having to set aside time for a car wash, greatly reducing time and effort costs. In terms of ease of use, the self-cleaning system can be operated from inside the car, activating the self-cleaning function through simple controls such as switches, without requiring the car owner to get out and clean manually. In addition, the self-cleaning process does not rely on external locations; whether temporarily parked in a residential parking lot, downstairs at an office, or on the roadside, as long as the vehicle is safely parked, cleaning can be performed anytime, anywhere, truly realizing car washing anytime, anywhere.

[0016] Compared to existing technologies, current vehicle cleaning devices are typically independent of the door status control system, posing a risk of accidental triggering. This solution, however, integrates door status monitoring and cleaning control functions to establish a safety interlock mechanism. For example, traditional automatic car wash devices may accidentally activate during passenger boarding and alighting, while this solution forcibly locks the brush assembly when the door is opened, completely eliminating such safety hazards.

[0017] Through the above technical solution, this application achieves coordinated control of autonomous cleaning and safety protection of vehicle exterior surfaces, effectively reducing the frequency and cost of manual car washing. Simultaneously, by linking the door status with the cleaning system, it avoids liquid splashing or mechanical interference caused by malfunctions of the cleaning device when the door is not closed, thus improving the operational reliability of the self-cleaning system. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A three-dimensional view of the assembly structure of a self-cleaning system and a vehicle body structure according to an embodiment provided in this application;

[0020] Figure 2 A schematic diagram of the assembly structure of a self-cleaning system and a vehicle body structure according to an embodiment of this application;

[0021] Figure 3 A schematic diagram of the structure of a scraper arm according to an embodiment provided in this application. Figure 1 ;

[0022] Figure 4 A schematic diagram of the structure of a scraper arm according to an embodiment provided in this application. Figure 2 ;

[0023] Figure 5 A partial structural schematic diagram of a scraper arm according to an embodiment provided in this application.

[0024] Reference numerals: 100, First scraper assembly; 110, First arm; 120, Second arm; 130, Third arm; 140, Fourth arm; 200, Second scraper assembly; 210, Fifth arm; 220, Sixth arm; 230, Seventh arm; 240, Eighth arm; 300, Scraper arm; 310, Linkage mechanism; 311, Spring; 320, Scraper blade; 330, Washing device; 331, Infusion line; 410, Drive shaft; 420, Decorative cover; 430, Nut; 440, Housing; 500, Vehicle body structure. Detailed Implementation

[0025] Please see Figures 1-5 This application provides a self-cleaning system, which includes a controller (not shown) and multiple sets of scraper assemblies. These scraper assemblies are distributed on the exterior surface of the vehicle to clean it. The controller is electrically connected to both the vehicle's door assemblies and the scraper assemblies. When the door assemblies are not closed (including either the door or the window), the controller can lock the scraper assemblies. In this locked state, the scraper assemblies cannot operate. This ensures the safety of the scraper assemblies, preventing damage from interference by the door or window during operation, and also prevents liquid from entering the vehicle's passenger compartment and contaminating the interior. When the door assemblies are closed (including both the door and window being fully closed), the controller can unlock the scraper assemblies. It's important to note that this unlocked state does not mean the scraper assemblies can be directly started; rather, they enter a standby state for easy activation. Furthermore, activating the scraper assemblies requires a separate start command from the driver or passenger.

[0026] The controller refers to the electronic control unit that receives signals and outputs control commands. It can be implemented using the vehicle's existing ECU or a separately configured microprocessor, and is used to process door status signals and generate start / stop commands for the brush assembly. Multiple brush assemblies refer to cleaning actuators distributed across different exterior surfaces of the vehicle, covering the roof, sides, and front and rear windshield areas. Door assemblies are devices that include door (and window) opening / closing detection functions, and can be implemented using Hall effect sensors or contact switches, used to send door position signals to the controller. The locked state is the control mode in which the brush assembly is prohibited from performing cleaning actions, which can be achieved by disconnecting the motor power supply or activating the mechanical locking mechanism. The unlocked state is the control mode in which the brush assembly is allowed to perform cleaning actions, which can be achieved by restoring the motor power supply or releasing the mechanical locking mechanism.

[0027] Specifically, when the vehicle is parked or in motion, the controller continuously receives status signals from the door components. If any door is detected as not fully closed, the controller immediately sends a locking command to all brush assemblies, at which point the power supply to the brush assembly motors is cut off. Once all doors are confirmed closed, the controller unlocks, and the occupants activate the cleaning function. The brush assemblies move along a preset trajectory to remove surface dirt, while the washing unit 330 sprays cleaning liquid to assist in the cleaning process. This workflow, achieved through the coordinated operation of hardware circuitry and software programs, ensures that the cleaning operation is performed only under safe conditions.

[0028] The vehicle's self-cleaning system boasts numerous significant advantages, effectively addressing many pain points of traditional car washes and providing car owners with a completely new vehicle cleaning experience. In terms of cost savings, the self-cleaning system eliminates the need for external car wash services, saving owners the expense. Furthermore, owners can clean their vehicles during short breaks or while parked, without having to dedicate time to a car wash, significantly reducing time and effort. Regarding ease of use, the self-cleaning system can be operated from inside the vehicle, activated with simple controls like a switch, eliminating the need for owners to get out and manually clean. Additionally, the self-cleaning process doesn't rely on external locations; whether temporarily parked in a residential parking lot, outside an office building, or on the street, as long as the vehicle is safely parked, it can be cleaned anytime, anywhere, truly enabling car washing anytime, anywhere.

[0029] Compared to existing technologies, current vehicle cleaning devices are typically independent of the door status control system, posing a risk of accidental triggering. This solution, however, integrates door status monitoring and cleaning control functions to establish a safety interlock mechanism. For example, traditional automatic car wash devices may accidentally activate during passenger boarding and alighting, while this solution forcibly locks the brush assembly when the door is opened, completely eliminating such safety hazards.

[0030] Through the above technical solution, this application achieves coordinated control of autonomous cleaning and safety protection of vehicle exterior surfaces, effectively reducing the frequency and cost of manual car washing. Simultaneously, by linking the door status with the cleaning system, it avoids liquid splashing or mechanical interference caused by malfunctions of the cleaning device when the door is not closed, thus improving the operational reliability of the self-cleaning system.

[0031] In one embodiment, such as Figure 1 and Figure 2 As shown, each set of scraper components is set in different areas of the vehicle surface to facilitate the scraper components to clean different areas of the surface. The controller can control each set of scraper components to operate independently.

[0032] Specifically, the vehicle surface is divided into multiple cleaning zones, such as the windshield, roof, left and right side windows, and rear windshield, with each zone corresponding to a set of scraper components. When stains are detected in a localized area, the controller activates only the scraper components for that area for targeted cleaning; when the entire vehicle requires thorough cleaning, the controller activates all scraper components simultaneously. The operating mode is automatically determined based on environmental data from sensors, such as using a camera to identify the distribution of stains or using a rain sensor to determine the cleaning requirement level.

[0033] Compared with existing technologies, this solution, through zoned deployment and independent control mechanisms, can reduce energy consumption during localized pollution, improve operational efficiency during comprehensive cleaning, and avoid the creation of cleaning blind spots.

[0034] However, this is not the only embodiment. In other embodiments, the controller can also control multiple sets of scraper components to operate synchronously to improve cleaning efficiency.

[0035] In one embodiment, such as Figure 1 and Figure 2 As shown, each set of scraper components includes multiple scraper arms 300, each of which is electrically connected to a controller. The controller can control each scraper arm 300 to operate independently, or it can also control multiple scraper arms 300 to operate synchronously.

[0036] Specifically, when there are localized stains on the vehicle surface, the controller can activate only a single scraper arm 300 in the corresponding area for cleaning, avoiding energy waste. When there is a large area of ​​contamination on the vehicle surface, the controller can simultaneously activate multiple scraper arms 300 to move synchronously along a preset trajectory, improving cleaning efficiency. The independent or synchronous control mode of the scraper arms 300 can be automatically switched according to the real-time detected level of contamination, for example, by generating a control strategy after identifying the distribution of stains through an onboard camera.

[0037] In one embodiment, such as Figure 3 and Figure 4As shown, each scraper arm 300 includes a motor (not shown), a linkage mechanism 310, a scraper blade 320, and a washing device 330. A controller is electrically connected to both the motor and the washing device 330. The linkage mechanism 310 is connected to the output end of the motor. The scraper blade 320 is located at the end of the linkage mechanism 310 furthest from the motor. The controller can control the rotation of the motor (including its speed and direction of rotation) to drive the scraper blade 320 to reciprocate through the linkage mechanism 310. Preferably, the motor is a permanent magnet DC motor. In other embodiments, the motor can also be a wound DC motor, a stepper motor, or a brushless motor. Furthermore, the motor is connected to the linkage mechanism 310 via a reducer (not shown). The linkage mechanism 310 is a mechanical device connecting the motor and the scraper blade 320, consisting of multiple links, rocker arms, and joints. It converts the rotational motion of the motor into the oscillating motion of the scraper blade 320. The design of the linkage mechanism 310 determines the oscillation trajectory and coverage area of ​​the scraper blade 320, ensuring that the downward oscillation of the scraper blade 320 can clean both sides of the vehicle body, and the lateral oscillation of the scraper blade 320 can cover and clean the roof. The scraper blade 320 is made of rubber or high-density EVA foam. The scraper blade 320 adheres to the exterior metallic paint and exterior glass surfaces of the vehicle for scraping. The pressure setting of the scraper arm 300 can be adjusted to avoid damage to the paint or glass surfaces due to excessive pressure.

[0038] It is important to note that, such as Figure 4 As shown, a spring 311 can be installed inside the linkage mechanism 310. The core function of this spring 311 is to maintain a constant and appropriate pressure on the scraper 320, allowing the scraper 320 to closely adhere to the surface area of ​​the vehicle. Furthermore, as... Figure 5 As shown, the connection between the linkage structure and the motor output end includes a drive shaft 410, a decorative cover 420, a nut 430, and a housing 440. The drive shaft 410 is fixedly connected to the linkage mechanism 310 through the nut 430. The decorative cover 420 is placed on the surface of the nut 430, and the housing 440 is sleeved on the outer periphery of the drive shaft 410.

[0039] Furthermore, the controller can control the washing device 330 to spray cleaning liquid (including but not limited to water and detergent) toward the corresponding area of ​​the vehicle, so that the scraper 320 can absorb and clean the stains on the vehicle surface through the cleaning liquid.

[0040] In one embodiment, such as Figure 3 and Figure 4As shown, the washing device 330 includes a first storage tank (not shown), a second storage tank (not shown), a solenoid valve (not shown), a pump (not shown), and a delivery line 331. The first storage tank stores water, and the second storage tank stores detergent. The scraper 320 has a delivery channel and multiple nozzles (not shown) spaced apart along its length. The delivery channel connects to each nozzle. The first and second storage tanks are connected to the delivery channel via the delivery line 331, allowing water or detergent to be sprayed through the nozzles. Note that nozzles can also be installed at the nozzles to increase the spraying force. The solenoid valve and the pump are respectively located in the delivery line 331. The controller is electrically connected to the solenoid valve and the pump, allowing the pump to connect to either the first or second storage tank via the solenoid valve. In other words, the type of cleaning liquid sprayed from the nozzles of the scraper 320 depends on whether the solenoid valve is connected to the first or second storage tank.

[0041] Specifically, when the controller detects that the door is closed and initiates the cleaning program, the motor drives the linkage mechanism 310 to make the scraper 320 reciprocate along a preset trajectory. Simultaneously, the washing device 330 selects either water or detergent based on the type of stain. After the liquid pump starts, the solenoid valve switches to the corresponding liquid reservoir (including the first and second reservoirs). Liquid enters the liquid delivery channel of the scraper 320 through the delivery line 331 and is evenly sprayed onto the vehicle surface from the nozzles. During its oscillation, the scraper 320 spreads the liquid and absorbs the stains, achieving cleaning through the dual action of mechanical scraping and liquid dissolution. For example, in cases of light dust, only water rinsing is needed, while in cases of heavy oil stains, the detergent mode is switched to improve cleaning efficiency.

[0042] Compared with existing technologies, this solution integrates the infusion channel into the scraper 320, which synchronizes the liquid spraying and scraping motion, resulting in more precise coverage. At the same time, it has separate storage tanks and controls the switching of media through solenoid valves, which can adapt to different cleaning needs and reduce resource consumption.

[0043] In some specific implementations, the nozzle spacing can be set to 10mm-15mm, and each scraper 320 can be equipped with 6-8 nozzles. The volume of the first liquid storage tank can be 3-5 times that of the second liquid storage tank to accommodate the needs of different cleaning stages. The solenoid valve can adopt a three-way structure to automatically cut off the liquid backflow when the machine is stopped.

[0044] It should be noted that the working process of the 300 scraper arm is as follows:

[0045] First, start the self-cleaning system by turning on the main switch. The main switch sends a start signal to the controller. If the doors or windows are not fully closed, the vehicle will indicate that the self-cleaning system cannot be started.

[0046] Then, the controller starts the washing device 330 and sprays cleaning liquid toward the vehicle body surface;

[0047] Subsequently, the motor drives the scraper 320 to swing through the reducer and linkage mechanism 310 in sequence, and the scraper 320 draws an arc-shaped trajectory on the vehicle body and roof.

[0048] Furthermore, in one embodiment, the infusion line 331 passes through the linkage mechanism 310 so that the linkage mechanism 310 can fix the infusion line 331.

[0049] Specifically, in one embodiment, such as Figure 1 and Figure 2 As shown, the brush assembly includes a first brush group 100, a second brush group 200, a third brush group (not shown), and a fourth brush group (not shown). The first brush group 100 is located at the junction of the vehicle's top and sides to clean the surface areas of the vehicle's top and sides. The vehicle's top surface area includes the sunroof and other areas of the roof, with a particular focus on cleaning the sunroof comprehensively. The vehicle's side surface area mainly includes the side window glass, but can also cover the surfaces of the A-pillar, B-pillar, C-pillar, and D-pillar, and even the door surface area below the side windows. The second brush group 200 is a spare component of the first brush group 100 and may or may not be included. The third brush group is located at the rear of the vehicle to clean the rear surface area, which includes the rear windows and other areas of the tailgate. The fourth brush group is located at the front of the vehicle to clean the front surface area of ​​the vehicle, which mainly refers to the surface of the windshield.

[0050] Specifically, the first brush assembly 100 is mounted on an extension of the roof rack rail or sunroof frame, and its movement trajectory is programmed to simultaneously cover the roof and doors. When the system is activated, the brush arm 300 maintains contact between the brush blade 320 and the vehicle body throughout its movement. Compared to existing technologies, this solution optimizes the installation position and movement trajectory of the brush assembly, extending the cleaning range to areas that are difficult to reach with traditional devices.

[0051] The third brush assembly initiates the cleaning action. The 300-degree range of motion of the brush arm has been optimized to ensure that components such as the rear license plate and reversing radar are not obstructed, while avoiding interference with other structures of the vehicle.

[0052] Furthermore, in one embodiment, such as Figure 1 and Figure 2As shown, the first brush assembly 100 includes multiple brush arms 300, defined as a first arm 110, a second arm 120, a third arm 130, and a fourth arm 140. The first arm 110 and the second arm 120 are located on the front side of the vehicle and are positioned opposite each other along the width direction of the vehicle. The third arm 130 and the fourth arm 140 are located on the rear side of the vehicle and are positioned opposite each other along the width direction of the vehicle. The third arm 130 and the first arm 110 are located on the same side of the roof edge, and the fourth arm 140 and the second arm 120 are also located on the same side of the roof edge. The pivot point of the first arm 110 is located at the junction of the vehicle's top and side. Specifically, the pivot point of the first arm 110 can be located at the end near the third arm 130 or at the end near the vehicle's windshield. Similarly, the pivot point of the third arm 130 is located at the connection between the top and side of the vehicle. Specifically, the pivot point of the third arm 130 can be located at the end near the first arm 110 or at the end near the rear windshield of the vehicle. The pivot point of the second arm 120 is located at the connection between the top and side of the vehicle. Specifically, the pivot point of the second arm 120 can be located at the end near the fourth arm 140 or at the end near the front windshield of the vehicle. Similarly, the pivot point of the fourth arm 140 is located at the connection between the top and side of the vehicle. Specifically, the pivot point of the fourth arm 140 can be located at the end near the second arm 120 or at the end near the rear windshield of the vehicle.

[0053] It should be noted that the cleaning process of the brush arm 300 of the first brush assembly 100 on the vehicle surface is as follows: Cleaning the vehicle side downwards: Specifically, the solenoid valve connects to the first liquid reservoir so that the spray nozzles spray water towards the vehicle body, and the brush arm 300 swings downwards on the vehicle side surface. Then, the solenoid valve connects to the second liquid reservoir, and detergent is sprayed onto the vehicle body, while the brush arm 300 swings downwards on the vehicle side surface. Finally, the solenoid valve connects to the first liquid reservoir, and clean water is sprayed onto the vehicle body, while the brush arm 300 swings downwards on the vehicle side surface. Cleaning the roof laterally: Specifically, the solenoid valve connects to the first liquid reservoir, and clean water is sprayed onto the roof, while the brush arm 300 swings laterally on the roof. Then, the solenoid valve connects to the second liquid reservoir, and detergent is sprayed onto the roof, while the brush arm 300 swings laterally on the roof. Finally, the solenoid valve connects to the first liquid reservoir, and clean water is sprayed onto the roof, while the brush arm 300 swings laterally on the roof.

[0054] In terms of cleaning effectiveness, the first scraper assembly 100 employs a three-step cleaning process: "scraping after spraying water, scraping after spraying detergent, and scraping after spraying water again." First, water is used to initially moisten and soften the dirt; then, detergent is used to specifically remove stubborn stains; finally, water is used to thoroughly clean away any remaining detergent and dirt. This scientifically sound cleaning process effectively ensures cleaning results. Furthermore, the scraper arm 300 is meticulously designed to ensure that the swivel trajectory and coverage area of ​​the scraper blade 320 completely cover both sides and the roof of the vehicle. Simultaneously, the washing device 330 works in conjunction with the scraper blade 320, allowing the cleaning liquid to be precisely sprayed onto the areas requiring cleaning. This enables the scraper blade 320 to function more effectively with the assistance of the cleaning liquid, improving cleaning efficiency.

[0055] Compared with existing technologies, this solution uses a symmetrical layout of front and rear scraper arms 300 to effectively clean all areas of the vehicle's exterior surface. In particular, for large light-transmitting components such as panoramic glass roofs or continuous taillights, the coordinated work of multiple scraper arms 300 can avoid localized stains caused by blind spots in cleaning.

[0056] However, this is not the only embodiment. In other embodiments, the first brush assembly 100 may also include two brush arms 300.

[0057] Furthermore, in one embodiment, the areas of the movable coverage areas of the first arm 110, the second arm 120, the third arm 130, and the fourth arm 140 are all equal. The ratio A of the overlapping area of ​​the movable coverage areas of adjacent brush arms 300 to the movable coverage area of ​​one of the brush arms 300 satisfies 1%≤A≤20%. Preferably, A is equal to 5%. Specifically, A can also be 1%, 10%, 15%, or 20%.

[0058] The ratio B of the overlapping area of ​​the moving coverage area of ​​the relative brush arm 300 and the moving coverage area of ​​one of the brush arms 300 satisfies 60%≤B≤90%, preferably, B equals 80%, and specifically, B can also be 60%, 70% or 90%.

[0059] Obviously, the first arm 110 and the third arm 130 are adjacent scraper arms 300, and the second arm 120 and the fourth arm 140 are adjacent scraper arms 300. Correspondingly, the first arm 110 and the second arm 120 are opposite scraper arms 300, and the third arm 130 and the fourth arm 140 are opposite scraper arms 300.

[0060] Specifically, when the door is closed, the controller unlocks the brush assembly and initiates the cleaning program. The four brush arms 300 move with equal coverage areas, and adjacent brush arms 300 partially overlap in the vehicle's width direction. For example, the overlap ratio of the coverage areas of the first arm 110 and the second arm 120 on the front side is controlled at approximately 80%, and the overlap ratio of the coverage areas of the third arm 130 and the fourth arm 140 on the rear side is controlled at approximately 80%. Simultaneously, the overlap ratio of the coverage areas of the first arm 110 on the front side and the third arm 130 on the rear side in the vehicle's length direction is controlled at approximately 5%, and the overlap ratio of the second arm 120 and the fourth arm 140 is controlled at approximately 5%. By precisely controlling the overlap ratio of adjacent and relative brush arms 300, cleaning blind spots are avoided, and energy waste caused by repeated cleaning is reduced.

[0061] Compared with existing technologies, this solution limits the coverage area ratio of adjacent and relative brush arms 300, so that the cleaning range can completely cover the vehicle surface without wasting resources due to excessive overlap, and at the same time solves the problem of inconsistent cleaning in the front and rear areas of the vehicle.

[0062] It should be noted that the first arm 110 and the second arm 120 are configured to operate at intervals to prevent interference between them. Similarly, the third arm 130 and the fourth arm 140 are configured to operate at intervals to prevent interference between them. Correspondingly, the first arm 110 and the third arm 130 are configured to operate synchronously, and the second arm 120 and the fourth arm 140 are configured to operate synchronously.

[0063] In one embodiment, such as Figure 1 and Figure 2 As shown, the second brush assembly 200 includes multiple brush arms 300, defined as the fifth arm 210, the sixth arm 220, the seventh arm 230, and the eighth arm 240. The fifth arm 210 is a spare brush arm 300 belonging to the first arm 110, the sixth arm 220 is a spare brush arm 300 belonging to the second arm 120, the seventh arm 230 is a spare brush arm 300 belonging to the third arm 130, and the eighth arm 240 is a spare brush arm 300 belonging to the fourth arm 140. The seventh arm 230 and the fifth arm 210 are located on the same side of the vehicle, and the eighth arm 240 and the sixth arm 220 are located on the same side of the vehicle.

[0064] However, this is not the only embodiment. In other embodiments, the second brush assembly 200 may also include two brush arms 300.

[0065] In one embodiment, the third brush group may include one brush arm 300 or two brush arms 300. When the third brush group includes only one brush arm 300, the rotation fulcrum of the brush arm 300 is located in the lower middle area of ​​the rear windshield. When the third brush group includes two brush arms 300, the two brush arms 300 are arranged opposite each other along the left and right sides of the rear windshield.

[0066] Similarly, the fourth wiper assembly may include one or two wiper arms 300. When the fourth wiper assembly includes only one wiper arm 300, the pivot point of the wiper arm 300 is located in the lower middle area of ​​the windshield. When the fourth wiper assembly includes two wiper arms 300, the two wiper arms 300 are arranged opposite each other along the left and right sides of the windshield.

[0067] This application also provides a vehicle that includes the self-cleaning system described in any of the above embodiments. It should be noted that multiple scraper assemblies are respectively mounted on the vehicle's body structure 500.

[0068] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0069] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the scope of protection of this application should be determined by the appended claims.

[0070] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0071] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0072] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0073] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0074] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0075] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

Claims

1. A self-cleaning system, characterized in that, The device includes a controller and multiple sets of scraper assemblies, which are respectively installed on the vehicle to clean the exterior surface of the vehicle. The controller is electrically connected to the vehicle door assembly and the scraper assembly. When the door assembly is not closed, the controller can control the scraper assembly to be in a locked state. When the door assembly is closed, the controller can control the scraper assembly to enter an unlocked state.

2. The self-cleaning system according to claim 1, characterized in that, Each set of the scraper components is installed in a different area on the vehicle surface. The controller can control each set of the scraper components to operate independently, or the controller can control multiple sets of the scraper components to operate synchronously.

3. The self-cleaning system according to claim 1 or 2, characterized in that, The scraper assembly includes a first scraper group (100) disposed at the junction of the top and side of the vehicle to clean the surface areas of the top and side of the vehicle.

4. The self-cleaning system according to claim 3, characterized in that, The first brush assembly (100) includes a plurality of brush arms (300), which are defined as a first arm (110), a second arm (120), a third arm (130), and a fourth arm (140), respectively. The first arm (110) and the second arm (120) are located on the front side of the vehicle and are arranged opposite to each other along the width direction of the vehicle. The third arm (130) and the fourth arm (140) are located on the rear side of the vehicle and are arranged opposite to each other along the width direction of the vehicle.

5. The self-cleaning system according to claim 4, characterized in that, The areas of the movable coverage areas of the first arm (110), the second arm (120), the third arm (130), and the fourth arm (140) are all equal. The ratio A of the overlapping area of ​​the movable coverage areas of two adjacent brush arms (300) and the movable coverage area of ​​one of the brush arms (300) satisfies 1%≤A≤20%. The ratio B of the overlapping area of ​​the movable coverage areas of two opposite brush arms (300) and the movable coverage area of ​​one of the brush arms (300) satisfies 60%≤B≤90%.

6. The self-cleaning system according to claim 1 or 2, characterized in that, The scraper assembly also includes a third scraper group disposed at the rear of the vehicle to clean the rear surface area of ​​the vehicle.

7. The self-cleaning system according to claim 1, characterized in that, Each set of the scraper assembly includes multiple scraper arms (300), each of the scraper arms (300) being electrically connected to the controller. The controller is capable of controlling each of the scraper arms (300) to operate independently, or the controller is capable of controlling multiple scraper arms (300) to operate synchronously.

8. The self-cleaning system according to claim 7, characterized in that, Each of the aforementioned scraper arms (300) includes a motor, a linkage mechanism (310), a scraper blade (320), and a washing device (330). The controller is electrically connected to the motor and the washing device (330) respectively. The linkage mechanism (310) is connected to the output end of the motor. The scraper blade (320) is located at the end of the linkage mechanism (310) away from the motor. The controller can control the motor to rotate and drive the scraper blade (320) to reciprocate through the linkage mechanism (310). The controller can control the washing device (330) to spray cleaning liquid toward the corresponding area of ​​the vehicle so that the scraper blade (320) can absorb and clean the stains on the surface of the vehicle through the cleaning liquid.

9. The self-cleaning system according to claim 8, characterized in that, The washing device (330) includes a first liquid storage tank, a second liquid storage tank, a solenoid valve, a liquid pump, and a delivery pipeline (331). The first liquid storage tank is used to store water, and the second liquid storage tank is used to store detergent. The scraper (320) is provided with a delivery channel and a plurality of spray holes arranged at intervals along its own length. The delivery channel is connected to each of the spray holes. The first liquid storage tank and the second liquid storage tank can be connected to the delivery channel through the delivery pipeline (331) so that water or detergent can be sprayed out through each of the spray holes. The solenoid valve and the liquid pump are respectively provided in the delivery pipeline (331). The controller is electrically connected to the solenoid valve and the liquid pump so that the liquid pump can be connected to the first liquid storage tank or the second liquid storage tank through the solenoid valve.

10. A vehicle, characterized in that, Includes the self-cleaning system as described in any one of claims 1-9.

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