CN115254752A - Stain cleaning system of vehicle-mounted camera and using method thereof - Google Patents
Stain cleaning system of vehicle-mounted camera and using method thereof Download PDFInfo
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- CN115254752A CN115254752A CN202210954324.3A CN202210954324A CN115254752A CN 115254752 A CN115254752 A CN 115254752A CN 202210954324 A CN202210954324 A CN 202210954324A CN 115254752 A CN115254752 A CN 115254752A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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Abstract
The invention relates to the technical field of vehicle-mounted equipment, in particular to a stain cleaning system of a vehicle-mounted camera and a using method of the stain cleaning system. The controller is arranged in the vehicle metal plate and is respectively electrically connected with the first motor and the connecting part, the first motor is provided with a first connecting rod, and the first connecting rod and the connecting part are connected through a plurality of second connecting rods; the connecting portion with spout and be connected through the connecting pipe between the clean portion, first motor rotates, drive connecting portion with spout clean portion and rise or descend. The cleaning modes are classified through the controller, and the time of single cleaning work is controlled within the range of 50-200 ms, so that the influence of the cleaning work on the image acquisition of the camera is reduced, and the judgment accuracy of the camera in auxiliary driving and automatic driving is improved; sufficient consideration is given to the convenience of replacement of the cleaning sponge; the convenience of maintenance of the cleaning system is improved; the area of the cleaning part is only 1/4 of that of the camera window, the same cleaning effect is achieved, and the maintenance cost is saved.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted equipment, in particular to a stain cleaning system of a vehicle-mounted camera and a using method of the stain cleaning system.
Background
With the development of current automotive electronics, assistant driving and automatic driving systems become mature day by day, and more cameras are carried by the whole automobile. Except that the spot on the inside accessible windshield wiper clean windshield of front portion camera installation in the front windshield, other such as look around and look around the camera all install on the outside automobile body of vehicle, these cameras all can gather the peripheral road condition of vehicle in real time in the car is gone, and the direct relation is gone in the demonstration and the early warning of real-time road conditions, if the camera has shelters from and can directly influence driving safety.
Foreign matters such as dust, water mist and silt are difficult to avoid to be attached to the camera in the driving process of an automobile, and although the surface of the camera is usually provided with an oil-dredging layer, the oil-dredging layer cannot fundamentally solve the cleaning problem of the surface of the camera. In addition, due to the external arrangement of the camera, the severe environments such as heavy rain, muddy water and haze make it more difficult to maintain a clean state, so that the antifouling and antifogging functions of the vehicle-mounted camera become more important.
The automatic cleaning method for camera lens which has been applied for patent but is not implemented at present is to wash and remove foreign matters from the lens by using a high-pressure spray head, and then dry the surface of the lens. This method is less time efficient, requiring a few seconds for first rinsing with water and second drying. In the process, the image acquisition of the camera is influenced, and the real-time performance and the accuracy of the image acquisition cannot be guaranteed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the stain cleaning system of the vehicle-mounted camera and the using method thereof are good in timeliness, the image acquisition of the camera cannot be influenced, and the real-time performance and accuracy of the image acquisition are guaranteed.
The technical scheme adopted by the invention for solving the technical problems is as follows: a spot cleaning system of a vehicle-mounted camera is used for cleaning spots of the camera in a vehicle, a baffle is arranged above a window of the camera and comprises a controller, a first motor and a spraying cleaning part, the controller is mounted in a vehicle metal plate, the controller is respectively electrically connected with the first motor and a connecting part, a first connecting rod is mounted on the first motor, and the first connecting rod is connected with the connecting part through a plurality of second connecting rods; the connecting portion with spout and be connected through the connecting pipe between the clean portion, first motor rotates, drive connecting portion with spout clean portion and rise or descend.
Further, connecting portion include second motor and small-size water pump, small-size water pump is connected with vehicle glass water storage tank, is connected between second motor and the connecting pipe outer wall to it is rotatory to spout clean portion through the drive connecting pipe drive rotation, and the end of intaking of connecting pipe is connected with small-size water pump, and the play water end of connecting pipe is connected with spouting clean portion.
Further, spout clean portion and include hydrojet portion and clean portion, be connected through the mode of magnetism between hydrojet portion and the clean portion.
Furthermore, the radius R1 of the cleaning part is 1/2 of the radius R2 of the window of the camera.
Furthermore, the connecting pipe is a hollow Z-shaped connecting pipe.
Furthermore, the controller is electrically connected with the first motor, the second motor and the small water pump respectively.
Furthermore, a plurality of water outlet holes are formed in the surface of the water outlet end of the water spraying part in an upward mode and are attached to the cleaning part.
Furthermore, a bayonet used for limiting is arranged at the contact part of the water spraying part and the cleaning part.
Further, the cleaning part is a circular cleaning sponge.
A use method of a stain cleaning system of a vehicle-mounted camera comprises the following steps:
step 1: when vehicle system judges that it needs to be clean, the baffle of the window top of camera is opened, controller control first motor clockwise rotation, with clean portion, the hydrojet portion, second motor and small-size water pump are transferred to preset the position rapidly, when presetting the position and being the axle center of second motor and camera center level alignment, the vertical distance of second motor and small-size water pump upper end and head rod, preset the position and pass through controller internal program control, the number of pulses that the controller needs to export is as follows:
wherein L is a vertical distance; r is the radius of the first connecting rod; k is the number of lines of one turn of the first motor;
step 2: the controller controls the small water pump to pump water from the glass water tank, and the water pumping amount at one time is different according to different preset stain amount identification values; the preset mark value of the stain amount is divided into 3 values which are respectively rainwater, light muddy water and heavy muddy water; when the controller judges that the current rainwater is rain water, the controller does not control the small water pump to pump the glass water from the glass water tank, and only performs wiping operation;
and step 3: turning on a second motor to rotate clockwise for a plurality of milliseconds, and then rotating anticlockwise for a plurality of milliseconds, wherein the specific time is determined according to a preset stain quantity value; under the condition of rainwater, the second motor rotates clockwise and anticlockwise for 25ms respectively; under the condition of slight muddy water, the second motor respectively rotates clockwise and anticlockwise for 50ms; under the condition of heavy muddy water, the second motor respectively rotates clockwise and anticlockwise for 100ms;
and 4, step 4: when the vehicle system judges that cleaning is not needed, the controller controls the second motor to stop working, and controls the first motor to rotate anticlockwise to rapidly retract the cleaning part, the water spraying part, the second motor and the small water pump and close the baffle plate, so that the cleaning operation of the camera is finished.
The invention has the beneficial effects that the defects in the background technology are solved, 1, the cleaning mode is classified through the controller, and the time of single cleaning work is controlled within the range of 50-200 ms, so that the influence of the cleaning work on the image acquisition of the camera is reduced, and the judgment accuracy of the camera in auxiliary driving and automatic driving is improved;
2. the present invention also gives sufficient consideration to the convenience of replacement of the cleaning sponge. The driver can enter a camera consumable replacement mode through the operation of the central control screen, and easily replace the cleaning parts connected in a magnetic suction mode, so that the convenience of maintenance of the cleaning system is improved;
3. the area of the cleaning part is only 1/4 of that of the camera window, namely the same cleaning effect is achieved with 1/4 of consumable cost, and the maintenance cost of the cleaning system is greatly saved.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a system state connection diagram of the invention in a non-cleaning state;
FIG. 2 is a cleaning state system state connection diagram of the present invention;
FIG. 3 is a diagram showing the relative position of the cleaning unit and the camera of the present invention at time T1;
FIG. 4 is a diagram showing the relative position of the cleaning unit and the camera at time T2;
FIG. 5 is a schematic view of a camera head of the present invention;
in the figure: 1. the automatic cleaning device comprises a controller, 2, a first motor, 3, a second motor, 4, a small water pump, 5, a first connecting rod, 6, a second connecting rod, 7, a connecting pipe, 8, a water spraying part, 9, a cleaning part, 10, a camera and 11, and a baffle.
Detailed Description
The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The baffle 11 is arranged above the window of the camera 10, and the camera 10 is generally mounted on the fender accessories at two sides of the vehicle, so that dirt such as rainwater or muddy water is easy to adhere to the fender accessories. The controller 1 can discriminate whether the camera 10 is attached with rainwater or muddy water according to the sensitivity of the feedback of the camera 10 and a foreign matter inspection algorithm for a returned image.
As shown in fig. 1 to 5, the spot cleaning system of the vehicle-mounted camera has the following advantages: the vehicle-mounted camera and the vehicle with the ADAS function are used for cleaning stains on a camera 10 in the vehicle and comprise a controller 1, a first motor 2 and a spraying cleaning part, wherein the controller 1 is installed inside a vehicle metal plate, the controller 1 is respectively electrically connected with the first motor 2 and a connecting part, a first connecting rod 5 is installed on the first motor 2, and the first connecting rod 5 is connected with the connecting part through three second connecting rods 6; the connecting part is connected with the spraying cleaning part through a connecting pipe 7, and the first motor 2 drives the connecting part and the spraying cleaning part to ascend or descend through positive rotation or reverse rotation.
Connecting pipe 7 is hollow Z shape connecting pipe, and connecting portion include second motor 3 and small-size water pump 4, small-size water pump 4 is connected with vehicle glass water storage tank, is connected between second motor 3 and the 7 outer walls of connecting pipe to drive through drive connecting pipe 7 and rotate and spout that clean portion is rotatory (corotation and reversal promptly), the end of intaking of connecting pipe 7 is connected with small-size water pump 4, and controller 1 is through controlling small-size water pump 4 and from vehicle glass water storage tank internal extraction glass water, and according to the size of the program control volume of drawing water of predetermineeing.
The water outlet end of the connecting pipe 7 is connected with the water spraying part 8, glass water can be conveyed to the water spraying part 8 from the inside of the connecting pipe 7, a plurality of water outlets are formed in the surface of the water outlet end of the water spraying part 8 in an ascending mode, the water outlets are distributed on the surface of a shower head similar to a shower head of a user and are directly attached to the cleaning part 9, and the cleaning part 9 is guaranteed to be evenly sprayed with water.
Spout clean portion and include water spray portion 8 and clean portion 9, be connected through the mode of magnetism between water spray portion 8 and the clean portion 9, water spray portion 8 is equipped with the bayonet socket for spacing with the contact site of clean portion 9.
The cleaning part 9 is a circular cleaning sponge, and the radius R1 of the cleaning part 9 is 1/2 of the radius R2 of the window of the camera 10; in operation, as shown in fig. 3, at time T1, the relative positional relationship between the cleaning unit 9 and the camera 10; as shown in fig. 4, at time T2, the relative positional relationship between the cleaning unit 9 and the camera 10 is established.
The controller 1 is electrically connected with the first motor 2, the second motor 3 and the small water pump 4 respectively.
A use method of a stain cleaning system of a vehicle-mounted camera comprises the following steps:
step 1: when a vehicle system judges that cleaning is needed, a stain cleaning system of the vehicle-mounted camera is located at an initial position as shown in fig. 1, a baffle 11 above a window of a camera 10 is opened, the controller 1 controls the first motor 2 to rotate clockwise, the cleaning part 9, the water spraying part 8, the second motor 3 and the small water pump 4 are rapidly lowered to a preset position (as shown in fig. 2), when the preset position is that the axis of the second motor 3 is horizontally aligned with the center of the camera 10, the vertical distance between the upper ends of the second motor 3 and the small water pump 4 and the first connecting rod 5 is controlled by an internal program of the controller 1, and the pulse number formula which needs to be output by the controller is as follows:
wherein L is a vertical distance; r is the radius of the first connecting rod 5; k is the number of lines of one turn of the first motor 2;
step 2: the controller 1 controls the small water pump 4 to pump water from the glass water tank, and the water pumping amount at one time is different according to different preset stain amount identification values; the preset mark value of the stain amount is divided into 3 values which are respectively rainwater, light muddy water and heavy muddy water; when the controller judges that the current rainwater is rain water, the controller 1 does not control the small water pump 4 to pump the glass water from the glass water tank, and only performs wiping operation;
and step 3: when the second motor 3 works, the cleaning part 9 performs circular motion by taking 1/2 of the radius of the camera 10 as the center of a circle when wiping the camera 10, the second motor 3 rotates clockwise for a plurality of milliseconds, and then rotates anticlockwise for a plurality of milliseconds, and the specific time is determined according to the preset stain quantity value; in case of rain, the second motor 3 rotates clockwise and counter-clockwise for 25ms, respectively; under the condition of slight muddy water, the second motor 3 respectively rotates clockwise and anticlockwise for 50ms; under the condition of heavy muddy water, the second motor 3 respectively rotates clockwise and anticlockwise for 100ms;
and 4, step 4: when the vehicle system judges that cleaning is not needed, the controller 1 controls the second motor 3 to stop working, and simultaneously controls the first motor 2 to rotate anticlockwise to rapidly lift the cleaning part 9, the water spraying part 8, the second motor 3 and the small-sized water pump 4 to the initial positions shown in fig. 1, and closes the baffle plate 11, so that the cleaning operation of the camera 10 is finished.
In addition, sufficient consideration is given to the convenience of replacement of the cleaning portion 9. The driver can enter a camera consumable replacement mode through the operation of the central control screen. At this time, the controller 1 controls the first motor 2 to lower the second motor 3 and the small water pump 4 together with the cleaning part 9 and the water spraying part 8, and the driver can easily replace the cleaning part 9 connected by the magnetic attraction mode.
While particular embodiments of the present invention have been described in the foregoing specification, various modifications and alterations to the previously described embodiments will become apparent to those skilled in the art from this description without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a spot cleaning system of on-vehicle camera for camera (10) carry out the spot cleanness in to the vehicle, the window top of camera (10) is equipped with baffle (11), its characterized in that: the cleaning device comprises a controller (1), a first motor (2) and a spraying cleaning part, wherein the controller (1) is installed inside a vehicle metal plate, the controller (1) is respectively electrically connected with the first motor (2) and a connecting part, a first connecting rod (5) is installed on the first motor (2), and the first connecting rod (5) is connected with the connecting part through a plurality of second connecting rods (6); the connecting part is connected with the spraying cleaning part through a connecting pipe (7), and the first motor (2) rotates to drive the connecting part and the spraying cleaning part to ascend or descend.
2. The stain cleaning system for the vehicle-mounted camera according to claim 1, characterized in that: connecting portion include second motor (3) and small-size water pump (4), small-size water pump (4) are connected with vehicle glass water storage tank, are connected between second motor (3) and connecting pipe (7) outer wall to it is rotatory to spout clean portion to drive to rotate through drive connecting pipe (7), the end of intaking of connecting pipe (7) is connected with small-size water pump (4), the play water end of connecting pipe (7) with spout clean portion and be connected.
3. The stain cleaning system for the vehicle-mounted camera according to claim 1, characterized in that: spout clean portion including hydrojet portion (8) and clean portion (9), be connected through the mode of magnetism between hydrojet portion (8) and clean portion (9).
4. The stain cleaning system for the vehicle-mounted camera according to claim 3, characterized in that: the radius R1 of the cleaning part (9) is 1/2 of the radius R2 of the window of the camera (10).
5. The stain cleaning system for the vehicle-mounted camera according to claim 2, characterized in that: the connecting pipe (7) is a hollow Z-shaped connecting pipe.
6. The stain cleaning system for the vehicle-mounted camera according to claim 2, characterized in that: the controller (1) is electrically connected with the first motor (2), the second motor (3) and the small water pump (4) respectively.
7. The stain cleaning system for the vehicle-mounted camera according to claim 3, characterized in that: the surface of the water outlet end of the water spraying part (8) is provided with a plurality of water outlet holes in an upward mode and is attached to the cleaning part (9).
8. The stain cleaning system for the vehicle-mounted camera according to claim 3, characterized in that: the contact part of the water spraying part (8) and the cleaning part (9) is provided with a bayonet for limiting.
9. The stain cleaning system for the vehicle-mounted camera according to claim 4, characterized in that: the cleaning part (9) is a round cleaning sponge.
10. A method for using the stain cleaning system of the vehicle-mounted camera according to any one of claims 1 to 9, wherein: the method comprises the following steps:
step 1: when the vehicle system judges that cleaning is needed, a baffle (11) above a window of a camera (10) is opened, a controller (1) controls a first motor (2) to rotate clockwise, a cleaning part (9), a water spraying part (8), a second motor (3) and a small water pump (4) are rapidly placed to a preset position, when the preset position is that the axis of the second motor (3) is horizontally aligned with the center of the camera (10), the upper ends of the second motor (3) and the small water pump (4) are vertically distant from a first connecting rod (5), the preset position is controlled by an internal program of the controller (1), and the pulse number formula which needs to be output by the controller is as follows:
wherein L is a vertical distance; r is the radius of the first connecting rod (5); k is the number of lines of one turn of the first motor (2);
step 2: the controller (1) controls the small water pump (4) to pump water from the glass water tank, and the water pumping amount at a time is different according to different preset stain amount identification values;
and 3, step 3: the second motor (3) is started to rotate clockwise for a plurality of milliseconds and then rotate anticlockwise for a plurality of milliseconds, and the specific time is determined according to the preset stain value;
and 4, step 4: when the vehicle system judges that cleaning is not needed, the controller (1) controls the second motor (3) to stop working, and simultaneously controls the first motor (2) to rotate anticlockwise so as to rapidly retract the cleaning part (9), the water spraying part (8), the second motor (3) and the small water pump (4) and close the baffle (11), until the cleaning operation of the camera (10) is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210954324.3A CN115254752A (en) | 2022-08-10 | 2022-08-10 | Stain cleaning system of vehicle-mounted camera and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210954324.3A CN115254752A (en) | 2022-08-10 | 2022-08-10 | Stain cleaning system of vehicle-mounted camera and using method thereof |
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| CN115254752A true CN115254752A (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210954324.3A Pending CN115254752A (en) | 2022-08-10 | 2022-08-10 | Stain cleaning system of vehicle-mounted camera and using method thereof |
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| WO2012166856A2 (en) * | 2011-06-02 | 2012-12-06 | 3M Innovative Properties Company | Substrate cleaning method and substrate cleaning device |
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| CN209334382U (en) * | 2018-09-04 | 2019-09-03 | 岭东核电有限公司 | A kind of inner wall of the pipe clearing apparatus |
| CN212034198U (en) * | 2020-05-09 | 2020-11-27 | 邓州市晟龙环保设备销售有限公司 | A intelligent transportation monitoring devices for municipal administration environmental protection |
| JP2021137927A (en) * | 2020-03-06 | 2021-09-16 | 株式会社荏原製作所 | Polishing device and processing system |
-
2022
- 2022-08-10 CN CN202210954324.3A patent/CN115254752A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2598091Y (en) * | 2003-01-06 | 2004-01-07 | 柏盈实业股份有限公司 | Integrated device for cleaning and repairing CD |
| CN1862775A (en) * | 2005-05-13 | 2006-11-15 | 中芯国际集成电路制造(上海)有限公司 | Method for cleaning semiconductor wafer |
| WO2012166856A2 (en) * | 2011-06-02 | 2012-12-06 | 3M Innovative Properties Company | Substrate cleaning method and substrate cleaning device |
| CN209334382U (en) * | 2018-09-04 | 2019-09-03 | 岭东核电有限公司 | A kind of inner wall of the pipe clearing apparatus |
| CN109277370A (en) * | 2018-11-22 | 2019-01-29 | 湖州师范学院 | A kind of intelligence electronic remote monitoring device |
| JP2021137927A (en) * | 2020-03-06 | 2021-09-16 | 株式会社荏原製作所 | Polishing device and processing system |
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