Intelligent cleaning system for automobile sensing system

Abstract

The utility model relates to the technical field of vehicle-mounted cleaning devices, in particular to an intelligent cleaning system for an automobile sensing system, which comprises a plurality of sprayers arranged at preset positions of an automobile and facing an installation area of the automobile sensing system; the first end of the waterway structure is connected to the water tank, the second end of the waterway structure is connected to the nozzle, and the waterway structure is used for providing a solution with preset pressure for the nozzle; the first end of the gas circuit structure is connected to a high-pressure gas source, and the second end is connected to the nozzle. The plurality of nozzles connected with the water path structure and the gas path structure are arranged, the valves are arranged in the water path structure and the gas path structure, the vehicle-mounted controller can control on-off states of the valves, water in the water tank is pumped by the water pump, and water can be sprayed to a preset sensor mounting area through the nozzles. And then the high-pressure air source purges the air flow in the area through the nozzle to clean stains in the sensor mounting area, so that the accuracy of radar detection is improved, and the driving safety is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle-mounted cleaning device technical field, specifically to the intelligent cleaning system for automobile perception system. BACKGROUND

[0002] With the continuous development of automobile electronic technology, the automobile perception system is more and more widely used in vehicles. The automobile perception system usually includes radar system, camera and ultrasonic sensor, and these radar system, camera and the like are mainly used to assist the driver to judge the distance of the front obstacle, and improve the driving safety.

[0003] However, in the use process, the automobile perception system is easy to be polluted by dust, soil and the like, which affects its detection effect, especially the influence on the visual system includes: shielding sight, image quality decline, misleading algorithm, reducing the reliability of the system, the influence on the radar system includes: signal interference, false echo and signal attenuation.

[0004] Therefore, the driver needs regular manual cleaning to maintain the normal operation of the automobile perception system, and the period of the manual cleaning of the driver is related to the idle time, which not only is time-consuming and laborious, but also affects the driving safety. Based on the above, people hope to obtain an intelligent cleaning system for automobile perception system. SUMMARY

[0005] In view of the technical problems existing in the prior art vehicle-mounted cleaning device, the utility model provides an intelligent cleaning system for automobile perception system, comprising:

[0006] A plurality of spray heads arranged at predetermined positions of the vehicle, each of the spray heads is directed to the installation area of the automobile perception system;

[0007] A waterway structure connected to the water tank at the first end and to the spray heads at the second end for providing the spray heads with a predetermined pressure solution;

[0008] A gasway structure connected to the high-pressure gas source at the first end and to the spray heads at the second end for providing the spray heads with a predetermined pressure gas;

[0009] A controller;

[0010] Wherein, the first valve is arranged in the waterway structure, the second valve is arranged in the gasway structure, and the controller is electrically connected with the first valve and the second valve for controlling the conduction state of the first valve and the second valve, so that the spray heads spray the predetermined pressure solution or the predetermined pressure gas to the installation area of the automobile perception system.

[0011] Preferably, the waterway structure comprises a water pump and a water conveying pipeline connecting the outlet of the water pump to the inlet of the spray head.

[0012] Preferably, the gas path structure comprises a gas conveying pipe connecting the outlet of the high-pressure gas source to the inlet of the spray head.

[0013] Preferably, a spray head connecting pipe is connected to the outlet of the water conveying pipe and the outlet of the gas conveying pipe, the first valve is arranged to the water conveying pipe, the second valve is arranged to the gas conveying pipe, and the water conveying pipe is communicated with the spray head connecting pipe or the gas conveying pipe is communicated with the spray head connecting pipe by controlling the opening and closing of the first valve or the second valve.

[0014] Preferably, a plurality of the spray heads are connected to the spray head connecting pipe through a third valve.

[0015] Preferably, the water conveying pipe comprises a water conveying main pipe and a plurality of water conveying branch pipes connected to the water conveying main pipe, and the water outlet end of each water conveying branch pipe is connected to a corresponding spray head.

[0016] Preferably, the first valve is arranged to each water conveying branch pipe.

[0017] Preferably, the gas conveying pipe comprises a gas conveying main pipe and a plurality of gas conveying branch pipes connected to the gas conveying main pipe, and the gas outlet end of each gas conveying branch pipe is connected to a corresponding spray head.

[0018] Preferably, the second valve is arranged to each gas conveying branch pipe.

[0019] Preferably, the high-pressure gas source comprises a high-pressure gas generator and a pressure gas storage tank arranged at the output end of the high-pressure gas generator, the pressure gas storage tank is connected to the gas path structure, the pressure gas storage tank is used for storing compressed gas with a predetermined pressure, and the high-pressure gas generator is used for inputting compressed gas into the pressure gas storage tank.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] The utility model discloses a plurality of spray heads connected to the water path structure and the gas path structure, and the water path structure and the gas path structure are all provided with valves, the on-off state of the valve can be controlled by the vehicle-mounted controller, the water in the water tank can be pumped by the water pump and sprayed to the predetermined sensor installation area by the spray head, and the sensor installation area is cleaned by the high-pressure gas source through the spray head, so that the labor intensity of the driver in cleaning the radar is reduced, the radar can be cleaned at any time, the accuracy of radar detection is improved, and the driving safety is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures can be represented by a like numeral. For purposes of clarity, not every component can be called out in every drawing. There is now being described by way of example various embodiments of aspects of the present application with reference to the accompanying drawings in which:

[0023] Figure 1 is a schematic diagram of the principle of the intelligent cleaning system for the automobile sensing system shown in the first embodiment of the present application;

[0024] Figure 2 is a structural schematic diagram of the intelligent cleaning system for the automobile sensing system shown in the first embodiment of the present application;

[0025] Figure 3 is a schematic diagram of the principle of the intelligent cleaning system for the automobile sensing system shown in the second embodiment of the present application;

[0026] Figure 4 is a structural schematic diagram of the intelligent cleaning system for the automobile sensing system shown in the second embodiment of the present application. DETAILED DESCRIPTION

[0027] In order to better understand the technical content of the present application, specific embodiments are described below in conjunction with the accompanying drawings.

[0028] In combination with Figures 1 to 4 shown, the present application proposes an intelligent cleaning system for an automobile sensing system, comprising a plurality of spray heads 300, a waterway structure, an airway structure, and a controller.

[0029] In order to clean the radar installation area, camera installation area, ultrasonic sensor installation area, etc. of the automobile sensing system, the system comprises a plurality of spray heads 300, and each spray head is arranged at a predetermined position of the vehicle, and the spray direction of the spray head 300 is towards the installation area of the automobile sensing system, and the spray head 300 is provided with a solution for cleaning or flushing by the waterway structure and the airway structure, and high-pressure gas for drying the area.

[0030] Specifically, the pollution signal of the sensing system surface can be obtained through the vehicle auxiliary driving system, such as camera stain or sensor pollution alarm signal, and after the vehicle controller receives the signal that the sensing system surface is polluted, the controller waterway structure and airway structure are sequentially turned on, first, the spray head 300 sprays high-pressure water column or water mist to the pollution area, and then the cleaning area is blown by high-pressure air flow, so that the moisture is dried or blown away.

[0031] In an optional embodiment, the spray head 300 can be fixedly arranged at a mounting area corresponding to the sensor, for example, at a fixed position outside the housing, or can be designed to be hidden by a telescopic mechanism, which is retracted into the housing of the vehicle when water or air is not needed to be sprayed, and is extended out of the housing when water or air is needed to be sprayed.

[0032] Further, the water path structure has a first end connected to the water tank 110 and a second end connected to the spray head 300, for providing the spray head 300 with the solution at the predetermined pressure; and the gas path structure has a first end connected to the high-pressure gas source and a second end connected to the spray head 300, for providing the spray head 300 with the gas at the predetermined pressure.

[0033] The water path structure includes a water pump 120 and a water delivery pipe 130 connecting the outlet of the water pump 120 to the inlet of the spray head 300. The gas path structure includes a gas delivery pipe 230 connecting the outlet of the high-pressure gas source to the inlet of the spray head 300.

[0034] In an optional embodiment, the output end of the water pump 120 is connected with a water pressure control device 121, for example, a pressure stabilizing valve, to ensure that the water pressure output by the water pump 120 to the water delivery pipe 130 is stable and within the predetermined pressure range.

[0035] Optionally, the water pump includes a gear pump.

[0036] In an optional embodiment, the high-pressure gas source includes a high-pressure gas generator 210 and a pressure gas storage tank 220 at the output end of the high-pressure gas generator 210, the pressure gas storage tank 220 being connected to the gas path structure, the pressure gas storage tank being used to store the compressed gas at the predetermined pressure, and the high-pressure gas generator 210 being used to input the compressed gas to the pressure gas storage tank.

[0037] Optionally, the high-pressure gas generator 210 includes a scroll compressor.

[0038] Further, a gas pressure control device 221, for example, a gas pressure stabilizing valve, is arranged at the output end of the pressure gas storage tank 220, to ensure that the gas pressure output by the pressure gas storage tank 220 to the gas delivery pipe 230 is stable and within the predetermined pressure range.

[0039] The first valve 410 is arranged in the water path structure, the second valve 420 is arranged in the gas path structure, and the controller is electrically connected to the first valve 410 and the second valve 420, for controlling the conduction state of the first valve 410 and the second valve 420, so that the spray head 300 sprays the solution at the predetermined pressure or the gas at the predetermined pressure to the mounting area of the vehicle sensing system.

[0040] Optionally, the first valve 410 and the second valve 420 can be controlled by the controller to be conducted for a predetermined time length, for example, 5-10 seconds.

[0041] Specifically, when the vehicle auxiliary driving system finds that the sensor is contaminated, the first valve 410 can be opened by the controller, the water pump 120 draws the solution in the water tank 110 to the spray head 300 through the water delivery pipeline 130, and the surface of the sensor installation area is cleaned by using high-speed water flow, for example, after flushing for 5s, the first valve 410 is closed, and then the second valve 420 is opened, the high-pressure gas source delivers high-pressure gas to the spray head 300 through the gas delivery pipeline 230, and the surface of the sensor installation area is blown by the high-pressure gas, for example, for 5s of blowing, so that the moisture is blown away and the surface is kept dry.

[0042] In this way, by setting the water path, the gas path, and the valve structure controlled by the controller, the spray head can clean the sensor surface by using water flow and gas flow in a timely manner according to the degree of contamination on the sensor surface, so that the sensor can work under ideal conditions to realize the function of automobile perception, especially to maintain the accuracy of camera and radar detection, and to ensure driving safety.

[0043] {Example 1}

[0044] The gas path and water path structure of the cleaning system is shown in Figure 1 and Figure 2 The outlet of the water delivery pipeline 130 and the outlet of the gas delivery pipeline 230 are connected with a spray head connecting pipeline 500, the first valve 410 is arranged to the water delivery pipeline 130, and the second valve 420 is arranged to the gas delivery pipeline 230, wherein the first valve 410 and the second valve 420 constitute a valve group 400.

[0045] By controlling the on-off of the first valve 410 or the second valve 420, the water delivery pipeline 130 is communicated with the spray head connecting pipeline 500 or the gas delivery pipeline 230 is communicated with the spray head connecting pipeline 500.

[0046] Further, a plurality of spray heads 300 are connected to the spray head connecting pipeline 500 through a third valve 430.

[0047] In this embodiment, when it is necessary to clean the installation area of a certain sensor, the third valve 430 corresponding to the spray head 300 at the corresponding position is opened, and the first valve 410 is also opened. The water pump 120 draws water from the water tank 110, and the water is drawn into the spray head connecting pipeline 500 through the water delivery pipeline 130, and then enters the spray head 300 through the third valve 430 to be sprayed out. After spraying water for a predetermined time, the water pump 120 and the first valve 410 are closed, the high-pressure gas generator 210 is opened, the pressure gas tank 220 is charged and pressurized, and when the pressure in the pressure gas tank 220 reaches a preset value, the high-pressure gas in the pressure gas tank 220 is pumped into the spray head connecting pipeline 500 through the gas delivery pipeline 230, and then sprayed out through the spray head 300 to clean the cleaning area.

[0048] {Example 2}

[0049] combined Figure 3 and Figure 4 As shown in the figure, the water supply pipeline 130 includes a water supply main pipeline 131 and a plurality of water supply branch pipelines 132 connected to the water supply main pipeline 131, and the water outlet end of each water supply branch pipeline 132 is connected with a corresponding spray head 300. Wherein, each water supply branch pipeline 132 is provided with a first valve 410.

[0050] Further, the gas supply pipeline 230 includes a gas supply main pipeline 231 and a plurality of gas supply branch pipelines 232 connected to the gas supply main pipeline 231, and the gas outlet end of each gas supply branch pipeline 232 is connected with a corresponding spray head 300. Wherein, each gas supply branch pipeline 232 is provided with a second valve 420.

[0051] In the embodiment 1, there is a lot of water remaining in the spray head connecting pipeline 500, when water / gas exchange, the gas needs to push the water out of the spray head connecting pipeline 500, therefore, when the capacity of the pressure gas storage tank 220 is small, it cannot form a good airflow sweeping effect, in the present embodiment, the spray head connecting pipeline 500 is not contained, the water supply branch pipeline 132 and the gas supply branch pipeline 232 are directly communicated with the corresponding spray head 300, when it is needed to clean a certain sensor area, the first valve 410 on the water supply branch pipeline 132 of the corresponding spray head 300 of the area is opened, the water pump 120 pumps water from the water tank 110, and the water is transported to the corresponding water supply branch pipeline 132 through the water supply main pipeline 131, and is sprayed out by the spray head 300, then the first valve 410 is closed, the second valve 420 is opened, the high-pressure gas generator 210 is opened, the pressure gas storage tank 220 is filled with gas to increase the pressure, until the pressure in the pressure gas storage tank 220 reaches a preset value, the high-pressure gas in the pressure gas storage tank 220 is used to pump gas into the gas supply main pipeline 231 through the gas supply pipeline 230, and then the gas is sprayed out by the spray head 300 through the gas supply branch pipeline 232 to clean the cleaning area.

[0052] Although the present application has been disclosed with reference to the preferred embodiments, it is not intended to limit the present application. Those skilled in the art can make various modifications and improvements without departing from the spirit and scope of the present application. Therefore, the protection scope of the present application shall be subject to the definition of the claims.

Claims

1. An intelligent washing system for automotive perception system, characterized in that, The application relates to a vehicle cleaning system comprising: a plurality of spray heads (300) arranged at predetermined positions of the vehicle, each of the spray heads (300) facing an installation area of an automotive sensing system; a water path structure having a first end connected to a water tank (110) and a second end connected to the spray heads (300) for supplying the spray heads (300) with a solution at a predetermined pressure; a gas path structure having a first end connected to a high-pressure gas source and a second end connected to the spray heads (300) for supplying the spray heads (300) with a gas at a predetermined pressure; a controller; wherein the water path structure is provided with a first valve (410), the gas path structure is provided with a second valve (420), and the controller is electrically connected to the first valve (410) and the second valve (420) for controlling the on-off state of the first valve (410) and the second valve (420) to make the spray heads (300) spray the solution at the predetermined pressure or the gas at the predetermined pressure to the installation area of the automotive sensing system.

2. The intelligent washing system for automotive perception system as claimed in claim 1 wherein, The water path structure comprises a water pump (120) and a water delivery pipe (130) connecting the outlet of the water pump (120) to the inlet of the spray heads (300).

3. The intelligent washing system for automotive perception system as claimed in claim 2, wherein, The gas path structure comprises a gas delivery pipe (230) connecting the outlet of the high-pressure gas source to the inlet of the spray heads (300).

4. The intelligent washing system for automotive perception system as claimed in claim 3, wherein, The outlet of the water delivery pipe (130) and the outlet of the gas delivery pipe (230) are connected to a spray head connecting pipe (500), the first valve (410) is arranged on the water delivery pipe (130), the second valve (420) is arranged on the gas delivery pipe (230), and the water delivery pipe (130) is connected to the spray head connecting pipe (500) or the gas delivery pipe (230) is connected to the spray head connecting pipe (500) by controlling the on-off state of the first valve (410) or the second valve (420).

5. The intelligent washing system for automotive perception system as claimed in claim 4, wherein, The plurality of spray heads (300) are connected to the spray head connecting pipe (500) through a third valve (430).

6. The intelligent washing system for automotive perception system as claimed in claim 3, wherein, The water delivery pipe (130) comprises a water delivery main pipe (131) and a plurality of water delivery branch pipes (132) connected to the water delivery main pipe (131), and the water outlet end of each water delivery branch pipe (132) is connected to a corresponding spray head (300).

7. The intelligent washing system for automotive perception system as claimed in claim 6 wherein, The first valve (410) is arranged on each water delivery branch pipe (132).

8. The intelligent washing system for automotive perception system as claimed in claim 3, wherein, The gas delivery pipe (230) comprises a gas delivery main pipe (231) and a plurality of gas delivery branch pipes (232) connected to the gas delivery main pipe (231), and the gas outlet end of each gas delivery branch pipe (232) is connected to a corresponding spray head (300).

9. The intelligent washing system for automotive perception system as claimed in claim 8, wherein, The second valve (420) is arranged on each gas delivery branch pipe (232).

10. The intelligent washing system for automotive perception system as claimed in claim 1 wherein, The high-pressure gas source comprises a high-pressure gas generator (210) and a pressure gas storage tank (220) arranged at the output end of the high-pressure gas generator (210), the pressure gas storage tank (220) is connected to the gas path structure, the pressure gas storage tank is used for storing compressed gas at a predetermined pressure, and the high-pressure gas generator (210) is used for inputting compressed gas into the pressure gas storage tank.

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