CN114407834A - Unmanned vehicle-mounted camera cleaning system - Google Patents
Unmanned vehicle-mounted camera cleaning system Download PDFInfo
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- CN114407834A CN114407834A CN202210072595.6A CN202210072595A CN114407834A CN 114407834 A CN114407834 A CN 114407834A CN 202210072595 A CN202210072595 A CN 202210072595A CN 114407834 A CN114407834 A CN 114407834A
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- gas
- purging
- unmanned vehicle
- wall
- source device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/54—Cleaning windscreens, windows or optical devices using gas, e.g. hot air
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to the technical field of unmanned visual perception, in particular to an unmanned vehicle-mounted camera sweeping system, which comprises a gas purging device, a gas source device, a gas pipeline and a control system, wherein the gas purging device is installed on a vehicle window; the gas blowing device is provided with a gas channel, a gas inlet of the gas channel is connected with the gas source device through the gas pipeline, a gas outlet of the gas channel is arranged at two sides of the inner wall and the outer wall of the car window and used for blowing water drops and water mist attached to the inner wall and the outer wall of the car window, and the gas source device is electrically connected with the control system; the invention can effectively avoid the visual field interference on the camera sensor, improve the identification accuracy of the camera sensor and ensure the driving safety of the unmanned vehicle.
Description
Technical Field
The invention relates to the technical field of unmanned visual perception, in particular to an unmanned vehicle-mounted camera cleaning system.
Background
With the advancement of technology, unmanned vehicles have become an important direction for future development. The unmanned vehicle mainly collects surrounding environment information through the camera sensor, so that a route is automatically planned, and vehicle driving is controlled, wherein the camera sensor is equivalent to eyes of the vehicle, and is particularly important for determining a driving decision of the unmanned vehicle and ensuring safety of pedestrians, vehicles and the unmanned vehicle.
At present, in order to protect the camera sensor, the camera sensor is generally installed in a vehicle, but when the vehicle encounters a severe environment such as rainy days, water drops and water mist can adhere to a vehicle window, and the recognition accuracy of the camera sensor is affected at the moment. Therefore, often install wiper system on the door window outer wall for water droplet and water smoke on the clearance door window outer wall, but the wiper can shelter from the camera sensor field of vision when reciprocating swing, still can cause the influence to camera sensor discernment.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the unmanned vehicle-mounted camera cleaning system, which can effectively avoid the visual field interference on the camera sensor, improve the identification accuracy of the camera sensor and ensure the driving safety of the unmanned vehicle.
In order to solve the technical problems, the invention adopts the technical scheme that: the unmanned vehicle-mounted camera sweeping system comprises a gas purging device, a gas source device, a gas pipeline and a control system, wherein the gas purging device is installed on a vehicle window, the gas source device is used for providing a gas source for the gas purging device, and the control system is used for remote communication;
the gas purging device is provided with a gas channel, a gas inlet of the gas channel is connected with the gas source device through the gas pipeline, a gas outlet of the gas channel is arranged on two sides of the inner wall and the outer wall of the car window and used for purging water drops and water mist attached to the inner wall and the outer wall of the car window, and the gas source device is electrically connected with the control system.
Further, the gas purging device comprises an outer purging structure arranged on the outer wall of the car window and an inner purging structure arranged on the inner wall of the car window, the outer purging structure is communicated with the inner purging structure through the gas channel, the gas inlet of the gas channel is arranged on the inner purging structure, the gas outlet of the gas channel comprises a first gas hole and a second gas hole, the first gas hole is arranged on the outer purging structure, and the second gas hole is arranged on the inner purging structure.
Further, a first included angle is arranged between the first air hole and the car window, and a second included angle is arranged between the second air hole and the car window.
Further, the first included angle is equal to the second included angle.
Further, the first air hole and the second air hole are respectively a single row of holes or a plurality of rows of holes.
Further, the first air hole and the second air hole are respectively strip-shaped flat openings.
Further, the gas pipeline comprises a first connecting pipe, a second connecting pipe and a third connecting pipe which are sequentially communicated, the other end of the first connecting pipe is detachably connected with the gas source device, and the other end of the third connecting pipe is detachably connected with the gas purging device.
Further, the first connecting pipe and the third connecting pipe are respectively a right-angle elbow.
Furthermore, a regulating device for controlling the air quantity of the air source device is connected between the air source device and the control system.
Furthermore, sealing devices are respectively arranged at the joints of the gas pipeline, the gas purging device and the gas source device.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides an unmanned vehicle-mounted camera sweeping system which comprises a gas purging device, a gas source device, a gas pipeline and a control system, wherein the gas purging device is installed on a vehicle window; the gas blowing device is provided with a gas channel, a gas inlet of the gas channel is connected with the gas source device through the gas pipeline, a gas outlet of the gas channel is arranged at two sides of the inner wall and the outer wall of the car window and used for blowing water drops and water mist attached to the inner wall and the outer wall of the car window, and the gas source device is electrically connected with the control system;
when the windows at the front ends of the camera sensors are full of water drops and water mist due to thunderstorm weather or temperature difference in the driving process of the unmanned vehicle, the vehicle owners can be connected with the control system through remote communication, the control system receives instructions and starts the gas source device, the gas source device conveys gas into the gas purging device through the gas pipeline, the gas flows along the gas channel in the gas purging device and is blown out from the gas outlet of the gas channel, the gas outlet is arranged towards the windows and can blow out the gas from top to bottom, the water drops and the water mist attached to the windows can be blown off and dried quickly, and the identification visual field of the camera sensors cannot be shielded in the cleaning process;
the invention utilizes flowing gas as a power source of the unmanned vehicle-mounted camera sweeping system, avoids the interference of windshield wipers on a camera sensor when swinging, cleans water drops and water mist attached to vehicle windows through the flowing gas in the gas sweeping device, solves the interference of weather and temperature difference on the camera sensor, improves the running safety of the unmanned vehicle, and can also remotely monitor the vehicle through the control system, ensure the cleanness of the vehicle windows at the front ends of the camera sensors in real time, improve the identification accuracy of the camera sensors and improve the intelligence of the unmanned vehicle.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
fig. 3 is a schematic structural view of an internal purge structure according to the present invention.
Reference numerals: 1-a gas purging device; 101-an external purge structure; 102-an internal purge structure; 2-gas source device; 3-gas line; 301-a first connection tube; 302-a second connecting tube; 303-third connecting tube; 4-gas inlet of gas channel; 5-gas outlet of the gas channel; 6-a regulating device; 7-a cable; 8-vehicle window; 9-camera sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The invention is described below in one of its embodiments with reference to specific embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Examples
As shown in fig. 1-3, the unmanned vehicle-mounted camera sweeping system comprises a gas purging device 1 mounted on a vehicle window 8, a gas source device 2 for providing a gas source for the gas purging device 1, a gas pipeline 3 and a control system for remote communication;
the gas purging device 1 is provided with a gas channel, a gas inlet 4 of the gas channel is connected with the gas source device 2 through a gas pipeline 3, a gas outlet 5 of the gas channel is arranged on two sides of the inner wall and the outer wall of the vehicle window 8 and used for purging water drops and water mist attached to the inner wall and the outer wall of the vehicle window 8, and the gas source device 2 is electrically connected with the control system.
In the present embodiment, the air source device 2 uses a blower, is installed in a dry and ventilated cabin in the vehicle, and is used to provide a source of purge gas for the gas purging device 1, but it is needless to say that a device such as a compressor may be used instead of the blower; the gas purging device 1 is arranged on the vehicle window 8, a gas outlet of a gas passage in the gas purging device 1 faces the vehicle window 8, a blower in the cabin is connected with the gas purging device 1 on the vehicle window 8 by a gas passage pipeline, and gas provided by the blower is conveyed into the gas purging device 1, so that the gas can flow along the gas passage in the gas purging device 1, and the purpose of blowing away raindrops and water mist attached to the vehicle window 8 is achieved; the control system can remotely communicate with the mobile terminal device on one hand, and can control the starting of the air source device 2 on the other hand, so as to facilitate remote control and supervision, wherein the air source device 2 is electrically connected with the control system through a cable 7;
when the unmanned vehicle runs, when the window 8 at the front end of the camera sensor 9 is full of water drops and water mist due to thunderstorm weather or temperature difference, and the camera sensor 9 is difficult to identify, a vehicle owner can be connected with the control system through remote communication, the control system receives an instruction, the air source device 2 is started, the air source device 2 conveys air into the air purging device 1 through the air pipeline 3, the air flows along an air channel in the air purging device 1 and is blown out from the air outlet 5 of the air channel, the air outlet is arranged towards the window 8 and can blow out the air from top to bottom, or the air blowing direction is set according to use requirements, so that the water drops and the water mist attached to the window 8 can be blown away quickly, and the identification view field of the camera sensor 9 cannot be shielded in the blowing process;
the invention utilizes flowing gas as a power source of the unmanned vehicle-mounted camera sweeping system, avoids the interference on the camera sensor 9 when the windshield wiper swings, cleans up water drops and water mist attached to the vehicle window 8 through the flowing gas in the gas sweeping device 1, solves the interference of weather and temperature difference on the camera sensor 9, improves the running safety of the unmanned vehicle, and simultaneously can remotely monitor the vehicle through the control system, ensures that the vehicle window 8 at the front end of the camera sensor 9 is clean in real time, improves the identification accuracy of the camera sensor 9 and improves the intelligence of the unmanned vehicle.
In one embodiment, as shown in fig. 1 to 3, the gas purging device 1 includes an outer purging structure 101 mounted on the outer wall of the vehicle window 8, and an inner purging structure 102 mounted on the inner wall of the vehicle window 8, the outer purging structure 101 and the inner purging structure 102 are communicated through a gas passage, the gas inlet 4 of the gas passage is arranged on the inner purging structure 102, the gas outlet 5 of the gas passage includes a first gas hole and a second gas hole, the first gas hole is arranged on the outer purging structure 101, and the second gas hole is arranged on the inner purging structure 102.
It should be noted that, in this embodiment, the gas purging device 1 is composed of an outer purging structure 101 and an inner purging structure 102, and the air output through the first air hole cleans the outer wall of the vehicle window 8, and the air output through the second air hole cleans the inner wall of the vehicle window 8, so as to clean the inner wall and the outer wall of the vehicle window 8 at the same time, so that water drops and water mist attached to the inner wall and the outer wall of the vehicle window 8 can be cleaned, thereby further reducing the recognition interference on the camera sensor 9, and improving the road driving safety.
In one embodiment, as shown in fig. 1-3, a first angle is formed between the first air hole and the vehicle window 8, and a second angle is formed between the second air hole and the vehicle window 8.
It should be noted that, in order to avoid shielding the identification field of view of the camera sensor 9, therefore, the gas purging device 1 needs to be installed in the field of view blind area of the camera sensor 9, which results in that the gas outlet of the gas purging device 1 cannot be aligned to the window 8 at the front end of the camera sensor 9, and in order to ensure that the gas can clear away the attached water mist and water drops on the window 8 at the front end of the camera sensor 9, in this embodiment, a first included angle is set between the first gas hole and the window 8, a second included angle is set between the second gas hole and the window 8, so that the gas blown out by the gas purging device 1 can accurately clear away the attached water mist and water drops on the window 8 at the front end of the camera sensor 9.
In one embodiment, as shown in FIGS. 1-3, the first included angle is equal to the second included angle.
In the present embodiment, it is preferable that the first angle and the second angle are set to 60 degrees, so that on one hand, the camera sensor 9 is ensured to be not shielded, and on the other hand, sufficient amount of gas blown to the window 8 is ensured, thereby improving the cleanliness of the window 8.
In one embodiment, the first air hole and the second air hole are respectively a single row of holes or a plurality of rows of holes.
It should be noted that, in this embodiment, single row of hole and many rows of holes are used for guaranteeing that the gas output of gas purge device 1 is sufficient, improve clean dynamics, can avoid single gas pocket to block up the unable clear condition in back simultaneously, and the gas pocket in this embodiment can equidistant range, also can set up the interval according to specific use scene.
In one embodiment, the first air hole and the second air hole are arranged as strip-shaped flat openings, namely, strip-shaped rectangular air holes are similar to the air holes, so that the air covering area is increased, and the cleaning area is enlarged.
In one embodiment, as shown in fig. 1 to 3, the gas pipeline 3 includes a first connection pipe 301, a second connection pipe 302 and a third connection pipe 303 which are sequentially communicated, the other end of the first connection pipe 301 is detachably connected to the gas source device 2, and the other end of the third connection pipe 303 is detachably connected to the gas purging device 1.
It should be noted that, in this embodiment, the first connecting pipe 301, the second connecting pipe 302, and the third connecting pipe 303 are hermetically connected by a thread, where the first connecting pipe 301, the second connecting pipe 302, and the third connecting pipe 303 are arranged to extend a channel of the gas pipeline 3, and are detachably mounted, so that the gas source device 2 is conveniently communicated with the gas purging device 1; preferably, in this embodiment, the first connection pipe 301 and the third connection pipe 303 are respectively a right-angle elbow, which is convenient for installation.
In one embodiment, as shown in fig. 1-3, a regulating device 6 for controlling the air volume of the air source device 2 is connected between the air source device 2 and the control system.
It should be noted that, in this embodiment, the regulating device 6 is installed in a dry and ventilated cabin in the vehicle, and the regulating device 6 is configured to receive an instruction sent by the control system, and further control the rotation speed and the gas output of the gas source device 2, where the regulating device 6 is connected to the control system through a cable 7; preferably, the regulating device 6 is provided with 10-level regulating gears, so that the gas quantity can be regulated in multiple levels conveniently, and the gas outlet quantity can be regulated accurately.
In one embodiment, as shown in fig. 1-3, the joints of the gas pipeline 3, the gas purging device 1 and the gas source device 2 are respectively provided with a sealing device.
It should be noted that the sealing device is used to seal the connection between the gas inlet of the gas purging assembly and the gas pipeline 3, and the connection between the gas source device 2 and the gas pipeline 3, so as to prevent gas leakage.
The working principle is as follows:
when leading to adhering to water droplet or water smoke because of thunderstorm weather or the difference in temperature on the door window 8 of camera sensor 9 front end, control system starts regulation and control device 6, regulation and control device 6 starts air supply unit 2 according to the instruction received, air supply unit 2 passes through gas pipeline 3 with gas and carries to in the gaseous device 1 that sweeps, gaseous gas channel along in the gaseous device 1 that sweeps flows, blow off from gas channel's gas outlet 5, the gas outlet sets up towards door window 8, can blow off attached water droplet and water smoke on the door window 8 fast and blow-dry, and the discernment field of vision that the camera sensor 9 can not sheltered from in the process of sweeping.
In the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances. In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention or other related technical fields directly/indirectly shall be included in the protection scope of the present invention.
Claims (10)
1. The unmanned vehicle-mounted camera sweeping system is characterized by comprising a gas purging device, a gas source device, a gas pipeline and a control system, wherein the gas purging device is mounted on a vehicle window;
the gas purging device is provided with a gas channel, a gas inlet of the gas channel is connected with the gas source device through the gas pipeline, a gas outlet of the gas channel is arranged on two sides of the inner wall and the outer wall of the car window and used for purging water drops and water mist attached to the inner wall and the outer wall of the car window, and the gas source device is electrically connected with the control system.
2. The unmanned vehicle-mounted camera sweeping system according to claim 1, wherein the gas purging device comprises an outer purging structure mounted on an outer wall of a vehicle window and an inner purging structure mounted on an inner wall of the vehicle window, the outer purging structure and the inner purging structure are communicated through the gas passage, an air inlet of the gas passage is arranged on the inner purging structure, an air outlet of the gas passage comprises a first air hole and a second air hole, the first air hole is arranged on the outer purging structure, and the second air hole is arranged on the inner purging structure.
3. The unmanned vehicle-mounted camera sweeping system according to claim 2, wherein a first included angle is formed between the first air hole and the window, and a second included angle is formed between the second air hole and the window.
4. The unmanned vehicle-mounted camera sweeping system of claim 3, wherein the first included angle is equal to the second included angle.
5. The unmanned vehicle camera sweeping system of claim 2, wherein the first and second air vents are a single row of holes or a plurality of rows of holes, respectively.
6. The unmanned vehicle-mounted camera sweeping system of claim 2, wherein the first air hole and the second air hole are respectively a strip-shaped flat opening.
7. The unmanned vehicle-mounted camera sweeping system according to claim 1, wherein the gas pipeline comprises a first connecting pipe, a second connecting pipe and a third connecting pipe which are sequentially communicated, the other end of the first connecting pipe is detachably connected with the gas source device, and the other end of the third connecting pipe is detachably connected with the gas purging device.
8. The unmanned vehicle camera sweeping system of claim 7, wherein the first and third connecting tubes are each a right angle elbow.
9. The unmanned vehicle-mounted camera sweeping system according to any one of claims 1 to 8, wherein a regulating device for controlling the air volume of the air source device is connected between the air source device and the control system.
10. The unmanned vehicle-mounted camera sweeping system according to claim 9, wherein sealing devices are respectively provided at the joints of the gas pipeline, the gas purging device and the gas source device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210072595.6A CN114407834A (en) | 2022-01-21 | 2022-01-21 | Unmanned vehicle-mounted camera cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210072595.6A CN114407834A (en) | 2022-01-21 | 2022-01-21 | Unmanned vehicle-mounted camera cleaning system |
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| CN114407834A true CN114407834A (en) | 2022-04-29 |
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| CN202210072595.6A Pending CN114407834A (en) | 2022-01-21 | 2022-01-21 | Unmanned vehicle-mounted camera cleaning system |
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| US6413324B1 (en) * | 2000-05-04 | 2002-07-02 | Brian P Hanson | Wet weather vision improvement system and method for open cockpit racing and for other application |
| CN201923087U (en) * | 2010-12-23 | 2011-08-10 | 山东理工大学 | Automatic defogging device for automobile front windshield |
| CN107264472A (en) * | 2017-08-10 | 2017-10-20 | 苗辰晖 | A kind of jet-propelled Wiper system of shield glass |
| CN207045300U (en) * | 2017-08-10 | 2018-02-27 | 苗辰晖 | A kind of jet-propelled Wiper system of shield glass |
| CN108791204A (en) * | 2018-08-18 | 2018-11-13 | 符丽容 | A kind of automobile-used jet Rain-removing system |
| US20200216034A1 (en) * | 2019-01-08 | 2020-07-09 | Ford Global Technologies, Llc | Sensor-cleaning apparatus |
-
2022
- 2022-01-21 CN CN202210072595.6A patent/CN114407834A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6413324B1 (en) * | 2000-05-04 | 2002-07-02 | Brian P Hanson | Wet weather vision improvement system and method for open cockpit racing and for other application |
| CN201923087U (en) * | 2010-12-23 | 2011-08-10 | 山东理工大学 | Automatic defogging device for automobile front windshield |
| CN107264472A (en) * | 2017-08-10 | 2017-10-20 | 苗辰晖 | A kind of jet-propelled Wiper system of shield glass |
| CN207045300U (en) * | 2017-08-10 | 2018-02-27 | 苗辰晖 | A kind of jet-propelled Wiper system of shield glass |
| CN108791204A (en) * | 2018-08-18 | 2018-11-13 | 符丽容 | A kind of automobile-used jet Rain-removing system |
| US20200216034A1 (en) * | 2019-01-08 | 2020-07-09 | Ford Global Technologies, Llc | Sensor-cleaning apparatus |
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