CN107856642B - Automobile auxiliary driving system camera defogging device - Google Patents
Automobile auxiliary driving system camera defogging device Download PDFInfo
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- CN107856642B CN107856642B CN201711069930.2A CN201711069930A CN107856642B CN 107856642 B CN107856642 B CN 107856642B CN 201711069930 A CN201711069930 A CN 201711069930A CN 107856642 B CN107856642 B CN 107856642B
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- heater
- defogging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
- F24H3/0429—For vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
- F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
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Abstract
The embodiment of the invention discloses a defogging device for a camera of an automobile driving assistance system. The device includes: the camera comprises a shell, a camera, a fan, a heater and a control circuit, wherein the camera, the fan, the heater and the control circuit are respectively arranged in the shell; the shell comprises an adhering part which is used for fixing the shell on the front windshield of the automobile; the air hood is formed by a groove arranged on one side of the shell, which is provided with the sticking part, and the front windshield, and the air outlet is positioned on one side of the air hood; an air inlet is arranged in the groove, the fan is arranged close to the air inlet, and the heater is arranged between the fan and the air inlet; a camera for shooting images outside the front windshield extends to the groove from the inside of the shell; and the control circuit is respectively connected with the fan and the heater to control the on or off of the fan and the heater so as to start or close the defogging function of the camera. By adopting the technical scheme, the fog on the auxiliary driving camera can be conveniently and quickly eliminated while the image imaging effect is ensured, and the driving experience of a driver is enhanced.
Description
Technical Field
The embodiment of the invention relates to the technical field of vehicle-mounted devices, in particular to a defogging device for a camera of an automobile auxiliary driving system.
Background
The auxiliary driving camera of the automobile can ensure the legal rights and interests of a driver of the automobile in the driving process by recording the video information in the driving process of the automobile, supervise the driving behavior of the driver, record the scenery along the driving process and the like, and is popular with the automobile owner.
Usually, the assistant driving camera can be installed on the front windshield of an automobile, and due to the influence of environmental factors, when the front windshield of a cab is fogged, the normal work of the assistant driving camera can be influenced. In the prior art, a warm air defogging system or a manual spraying maintenance antifogging coating carried by an automobile is usually adopted to defogge an assistant driving camera.
However, when the camera is mounted near the corner or a shield is provided around the corner, as shown in fig. 1, the camera of the vehicle assistant driving system has a groove, and a cavity area with a small opening and a large inner cavity is formed after the camera is adhered to the front windshield of the vehicle, so that the airflow circulation is not smooth, and the defogging time is greatly prolonged; the maintenance antifogging coating is difficult to determine the effective time because of different use environments, and meanwhile, in order to ensure the image imaging effect, the maintenance antifogging coating needs to be frequently sprayed, so that the practical use is not convenient enough.
Disclosure of Invention
The embodiment of the invention provides a defogging device for a camera of an automobile assistant driving system, which aims to conveniently and quickly eliminate fog on the camera of the assistant driving system and ensure the normal work of the camera of the assistant driving system.
In a first aspect, an embodiment of the present invention provides a defogging device for a camera of a system for assisting driving of an automobile, where the device includes:
the camera of the automobile driving assistance system is mounted in the middle of the shell, the shell is bonded with an automobile windshield through a foot pad, an air cover is formed in front of the camera, a warm air supply opening is formed in the shell on the bottom surface of the air cover, a circulating airflow air outlet is formed in the outer edge of the bottom surface of the air cover, and the warm air supply opening faces the direction of the camera;
the control circuit, the fan, the heater, control circuit, fan, heater all set up the inside of casing, the heater with the fan links to each other, and sets up warm braw supply air outlet position department, control circuit with camera signal connection, and with fan and heater control connection.
Furthermore, the defogging device for the camera of the automobile driving assistance system further comprises a control switch, wherein the control switch is connected to the outer side of the shell and is connected with the control circuit.
Further, the fan is a silent fan.
In a second aspect, an embodiment of the present invention provides a defogging device for a camera of an automobile driving assistance system, where the device includes: the camera comprises a shell, a camera, a fan, a heater and a control circuit, wherein the camera, the fan, the heater and the control circuit are respectively arranged in the shell;
the shell comprises an adhering part, and the adhering part is used for fixing the shell on a front windshield of an automobile;
a groove is formed in one side, on which the sticking part is arranged, of the shell, the groove and the front windshield form an air hood, and an air outlet is located in one side of the air hood;
an air inlet is formed in the groove, the fan is arranged close to the air inlet, and the heater is arranged between the fan and the air inlet;
the camera extends to the groove from the inside of the shell and is used for shooting images outside the front windshield;
the control circuit is respectively connected with the fan and the heater and used for controlling the opening or closing of the fan and the heater so as to start or close the defogging function of the camera.
In a third aspect, an embodiment of the present invention further provides a defogging method for a camera of an automobile driving assistance system, where the method includes:
the method comprises the steps of obtaining a first real-time image outside a front windshield, wherein the first real-time image is shot by a camera in a defogging device of a camera of the automobile assistant driving system according to any embodiment of the invention;
and if the first real-time image is determined not to meet the preset definition condition, starting a fan and a heater in a defogging device of the camera of the automobile assistant driving system to start a defogging function of the camera.
In a fourth aspect, an embodiment of the present invention further provides an apparatus for assisting driving of an automobile, including a memory, a processor, and a computer program stored in the memory and operable on the processor, where the processor implements a defogging method for a camera of an automobile driving assisting system according to any embodiment of the present invention when executing the program.
In a fifth aspect, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements a defogging method for a camera of an assistant driving system of an automobile according to any embodiment of the present invention.
The embodiment of the invention provides a defogging device for a camera of an automobile auxiliary driving system, which is formed by arranging a shell, and arranging the camera, a fan, a heater and a control circuit in the shell, wherein the device comprises the shell, the camera, the fan, the heater and the control circuit which are respectively arranged in the shell; the shell comprises an adhering part, and the adhering part is adopted to fix the shell on a front windshield of an automobile; a groove is arranged on one side of the shell, which is provided with the sticking part, the groove and the front windshield form an air hood, and the air outlet is positioned on one side of the air hood; an air inlet is arranged in the groove, the fan is arranged close to the air inlet, and the heater is arranged between the fan and the air inlet; a camera is arranged in the shell and extends into the groove for shooting images outside the front windshield; the control circuit is connected with the fan and the heater to control the fan and the heater to be turned on or off so as to start or turn off the defogging function of the camera. By adopting the technical scheme, the technical problem that the demisting time is long or the demisting operation is too frequent is solved, so that the mist on the auxiliary driving camera can be conveniently and quickly eliminated while the image forming effect is ensured, the normal work of the auxiliary driving system camera is ensured, and the driving experience of a driver is enhanced.
The invention installs a warm air defogging device consisting of a control circuit, a fan and a heater at the position of the camera device of the driving assistance system, and performs targeted defogging on the camera and the automobile windshield area opposite to the camera. The defogging device starts and can manually open and close, and simultaneously when opening the assistant driving system, the system can carry out analysis to the formation of image effect, opens automatically as required and closes the defogging function. According to the invention, the air hood structure is designed in the demisting area, so that demisting hot air is fully circulated between the camera and the automobile windshield, and a better demisting effect is achieved. The arrangement of the fan ensures that the device can automatically supply air without depending on an air supply system of an automobile; the heater is arranged, so that the device can heat the airflow blown out by the fan without depending on a heating system of an automobile.
Drawings
Fig. 1 is a schematic view of an installation position of a defogging device for a camera of an automobile driving assistance system according to an embodiment of the invention;
fig. 2 is a schematic plan view of a defogging device for a camera of an automobile driving assistance system according to a first embodiment of the invention;
fig. 3 is a schematic three-dimensional structure diagram of a defogging device for a camera of an automobile driving assistance system according to a first embodiment of the invention;
FIG. 4 is a schematic flow chart illustrating a defogging method for a camera of an assistant driving system of an automobile according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a defogging system for a camera of an automobile driving assistance system according to a third embodiment of the invention;
fig. 6 is a schematic hardware structure diagram of an automobile driving assistance device in a fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The embodiment of the invention provides a defogging device for a camera of an automobile driving assistance system, which comprises the following components as shown in fig. 2 and 3: the automobile auxiliary driving system comprises a shell 1, wherein a camera 11 of an automobile auxiliary driving system is installed in the middle of the shell 1, the shell 1 and an automobile windshield 10 are bonded through a foot pad 2, an air hood 3 is formed in front of the camera 11, a warm air supply opening 4 is formed in the shell 1 on the bottom surface of the air hood 3, a circulating airflow air outlet 5 is formed in the outer edge of the bottom surface of the air hood 3, and the warm air supply opening 4 faces the direction of the camera; the control circuit 6, the fan 7, the heater 8, the control circuit 6, the fan 7, the heater 8 all sets up the inside of casing 1, the heater 8 with the fan 7 links to each other, and sets up warm braw supply-air outlet 4 position department, the control circuit 6 with camera 11 signal connection, and with fan 7 and heater 8 control connection. Preferably, the fan 7 is a silent fan.
In one aspect of the embodiment of the present invention, the defogging device for the camera of the driving assistance system of the automobile further includes a control switch 9, and the control switch 9 is connected to the outer side of the housing 1 and is connected to the control circuit 6.
The invention installs a warm air defogging device consisting of a control circuit, a fan and a heater at the position of the camera device of the driving assistance system, and performs targeted defogging on the camera and the automobile windshield area opposite to the camera. The defogging device starts and can manually open and close, and simultaneously when opening the assistant driving system, the system can carry out analysis to the formation of image effect, opens automatically as required and closes the defogging function. According to the invention, the air hood structure is designed in the demisting area, so that demisting hot air is fully circulated between the camera and the automobile windshield, and a better demisting effect is achieved. The arrangement of the fan ensures that the device can automatically supply air without depending on an air supply system of an automobile, and the noise of the device is further reduced by selecting a silent fan; the heater is arranged, so that the device can heat the airflow blown out by the fan without depending on a heating system of an automobile.
Example one
The embodiment of the invention provides a defogging device for a camera of an automobile driving assistance system, which is shown in fig. 2 and 3. The device includes: the device comprises a shell 1, a camera 11, a fan 7, a heater 8 and a control circuit 6, wherein the camera 11, the fan 7, the heater 8 and the control circuit 6 are respectively arranged in the shell;
the housing 1 comprises an adhering part 2 (namely, the foot pad of the previous embodiment), and the adhering part 2 is used for fixing the housing 1 on a front windshield 10 (namely, a windshield of the car of the previous embodiment) of the car;
a groove is formed in one side of the housing 1, on which the adhering portion 2 is disposed, and forms an air hood 3 together with the front windshield 10, and an air outlet 5 (i.e., the air outlet in the foregoing embodiment) is located on one side of the air hood 3;
an air inlet 4 (i.e., the warm air supply outlet in the foregoing embodiment) is disposed in the groove, the fan 7 is disposed close to the air inlet 4, and the heater 8 is disposed between the fan 7 and the air inlet 4;
the camera 11 extends from the inside of the shell 1 to the groove and is used for shooting images outside the front windshield 10;
the control circuit 6 is respectively connected to the fan 7 and the heater 8, and is configured to control the fan 7 and the heater 8 to be turned on or off, so as to start or turn off a camera defogging function.
The working principle of the defogging device for the camera of the automobile driving assistance system is as follows: when the control circuit 6 controls the fan 7 and the heater 8 to be turned on, the heater 8 converts cold air generated by the fan 7 into warm air, the warm air enters the air hood 3 formed by the groove between the shell 1 and the front windshield 10 through the air inlet 4, and the warm air circulates in the air hood 3 to flow through the lens position of the camera 11 and then enters the automobile cab through the air outlet 5. Because the volume of the air hood 3 is small, warm air can rapidly flow through the surface of the lens of the camera 11 and the windshield area opposite to the lens of the camera 11, and mist on the lens and the windshield area can be rapidly taken away, so that a picture shot by the camera 11 is clear enough. When the control circuit 6 controls the fan 7 and the heater 8 to be turned off, no warm air is generated in the air hood 3, and the defogging function is realized on the surface of the lens of the camera 11 and the windshield area opposite to the lens of the camera 11.
It should be noted that the air inlet 4 is arranged toward the camera 11, so as to ensure that the warm air can rapidly reach the lens surface of the camera 11 and the windshield area opposite to the lens of the camera 11, thereby achieving the effect of rapid defogging. In addition, the specific control mode of the control circuit 6 is not limited at all, and can be realized through physical operation; the camera 11 can also be used for shooting the image definition outside the front windshield to generate digital signals to control the opening or closing of the fan 7 and the heater 8; it is also possible to transmit a trigger signal via the terminal to cause the control circuit 6 to generate a switch control instruction or the like.
Adopt the above-mentioned technical scheme of this embodiment, solved the longer or too frequent technical problem of defogging operation of defogging time, make the fog on the camera is driven in the supplementary driving of elimination that can convenient and fast when guaranteeing the image effect of formation of image, guarantee the normal work of the system camera of driving in a supplementary way, reinforcing driver's driving experience.
On the basis of the above embodiments, further, the control circuit 6 is connected to the camera 11;
the control circuit 6 is specifically configured to: acquiring a real-time image outside the front windshield 10, which is shot by the camera 11; and if the real-time image is determined not to meet the preset definition condition, the fan 7 and the heater 8 are started to start the defogging function of the camera.
The control circuit 6 analyzes the imaging effect of the real-time image outside the front windshield 10 shot by the camera 11, and when the definition of the real-time image is smaller than a preset threshold value, the fan 7 and the heater 8 are automatically started to start the defogging function of the camera; when the definition of the real-time image is greater than or equal to the preset threshold value, the fan 7 and the heater 8 are automatically turned off, and the defogging function of the camera is turned off. The preset threshold value can be an empirical value and is set by a designer; the preset threshold value can also be adjusted manually according to the requirements of the driver.
On the basis of each embodiment, the defogging device for the camera of the automobile driving assistance system further comprises: a control switch 9 disposed outside the housing 1;
the control switch 9 is connected with the control circuit 6 and used for sending a corresponding switch control instruction to the control circuit 6 according to the physical operation of a user;
the control circuit 6 is specifically configured to: and correspondingly turning on or off the fan 7 and the heater 8 according to the received switch control command.
Further, whether the real-time image outside the front windshield 10 collected by the camera 11 is clear enough can be manually identified by the driver. If the real-time image is not clear enough, the fan 7 and the heater 8 are started through the control circuit 6 to realize the defogging function of the camera. The control switch 9 connected with the control circuit 6 is arranged outside the casing 1, and is used for sending a switch control instruction to the control circuit 6 according to physical operation on the control switch 9 so as to control the on or off of the fan 7 and the heater 8 and manually control the on or off of the defogging function of the camera. It should be noted that the specific type of the control switch 9 is not limited at all, and may be a touch key switch, a toggle switch, or a boat-shaped switch.
It should be noted that, a signal receiver may also be disposed inside the defogging device for the camera of the driving assistance system of the automobile, the signal receiver is connected to the control switch 9, a signal generator corresponding to the signal receiver is physically separated from the signal receiver, a driver may generate a trigger signal by manually triggering the signal generator, and after the signal receiver receives the trigger signal, the control circuit 6 generates a corresponding switch control command to control the on or off of the fan 7 and the heater 8. The trigger signal may be an electromagnetic wave or an acoustic wave.
On the basis of the above embodiments, further, the air inlet 4 is disposed on the bottom surface of the groove.
In addition to the above embodiments, the fan 7 is a silent fan.
Wherein, through setting up the silence fan, reduced the noise of car driver assistance system camera defogging device.
Example two
Fig. 4 is a schematic flow chart of a defogging method for a camera of an assistant driving system of an automobile according to a second embodiment of the present invention, where the method is applicable to a situation that defogging is required for a defogging process when the camera of the assistant driving system of the automobile is fogged during driving of the automobile, the method can be executed by the defogging system for the camera of the assistant driving system of the automobile, and the device is implemented by software and/or hardware and can be generally configured on the camera device of the assistant driving system of the automobile. The method shown in fig. 4 specifically includes the following steps:
s310, acquiring a first real-time image outside a front windshield, which is shot by a camera in a defogging device of a camera of an automobile driving assistance system configured in a vehicle;
the defogging device for the camera of the automobile assistant driving system can be the defogging device for the camera of the automobile assistant driving system provided by any embodiment of the invention.
And S320, if the first real-time image is determined not to meet the preset definition condition, starting a fan and a heater in a defogging device of the camera of the automobile assistant driving system to start a defogging function of the camera.
Illustratively, an edge gray scale rate of change of the first real-time image is obtained. When the change rate is smaller than a certain fixed threshold value, the image is not clear enough, namely the preset definition condition is not met, a fan and a heater in a defogging device of a camera of an automobile auxiliary driving system need to be started to start a defogging function of the camera, fog on the surface of the lens of the camera is eliminated, and a real-time image acquired by a subsequent camera is ensured to be normal; when the change rate is greater than or equal to a certain fixed threshold value, the image is clear enough, namely the preset definition condition is met, the fan and the heater in the defogging device of the camera of the automobile assistant driving system do not need to be started, and at the moment, the control circuit can control the fan and the heater to be in the closed state or be switched from the open state to the closed state, so that the resources are saved. It should be noted that the fixed threshold may be preset by a developer according to experience, or may be adjusted by a driver according to needs.
Illustratively, the adjacent pixel gray variance values of the first live image are obtained. When the variance value is smaller than a certain fixed threshold value, the image is not clear enough, namely the preset definition condition is not met, a fan and a heater in a defogging device of a camera of an automobile auxiliary driving system need to be started to start a defogging function of the camera, fog on the surface of the lens of the camera is eliminated, and a real-time image acquired by a subsequent camera is ensured to be normal; when the variance value is greater than or equal to a certain fixed threshold value, the image is clear enough, namely the preset definition condition is met, the fan and the heater in the defogging device of the camera of the automobile assistant driving system do not need to be started, and at the moment, the control circuit can control the fan and the heater to be in the closed state or be switched from the open state to the closed state, so that the resources are saved. It should be noted that the fixed threshold may be preset by a developer according to experience, or may be adjusted by a driver according to needs.
According to the technical scheme of the embodiment of the invention, a first real-time image outside a front windshield, which is shot by a camera in a defogging device of a camera of an automobile assistant driving system configured in a vehicle, is obtained; and under the condition that the first real-time image does not meet the preset definition condition, a fan and a heater in the defogging device of the camera of the automobile assistant driving system are started to start the defogging function of the camera. By adopting the technical scheme, the technical problem that the demisting time is long or the demisting operation is too frequent is solved, so that the mist on the auxiliary driving camera can be conveniently and quickly eliminated while the image forming effect is ensured, the normal work of the auxiliary driving system camera is ensured, and the driving experience of a driver is enhanced.
Further, before acquiring a first real-time image outside a front windshield, which is captured by a camera in a defogging device of a vehicle driving assistance system camera arranged in a vehicle, the method further comprises the following steps: and focusing the camera.
In this step, in order to eliminate the influence of insufficient definition of the real-time image shot by the camera due to unreasonable focal length setting, before the real-time image outside the front windshield is shot by the camera, the camera needs to be focused.
Further, after the fan and the heater in the defogging device for the camera of the driving assistance system of the automobile are turned on, the method further comprises the following steps:
acquiring a second real-time image outside the front windshield, which is shot by the camera;
and if the second real-time image is determined to meet the preset definition condition, closing a fan and a heater in the defogging device of the camera of the automobile assistant driving system so as to close the defogging function of the camera.
In this step, after the fan and the heater of the camera defogging device of the automobile assistant driving system are turned on and the camera defogging function is turned on, the situation that when the camera does not need to be defogged needs to be continuously detected, and under the situation that the real-time image shot by the camera is sufficiently clear, the fan and the heater of the camera defogging device of the automobile assistant driving system are turned off to adjust the camera defogging function from on to off.
Exemplarily, the camera can be further adopted to obtain a real-time image outside the front windshield in a set time interval, the definition of the real-time image is analyzed, the defogging function of the automatic control camera is turned on or turned off, the technical problem that the defogging time is long or the defogging operation is too frequent is solved, the fog on the auxiliary driving camera can be conveniently and quickly eliminated while the image imaging effect of the image is ensured, the normal work of the auxiliary driving system camera is ensured, and the driving experience of a driver is enhanced.
EXAMPLE III
Fig. 5 is a schematic structural diagram of a defogging system for a camera of an assistant driving system of an automobile in a third embodiment of the present invention, where the third embodiment is applicable to a situation that a defogging process is required for a defogging of a camera of an assistant driving system during driving of an automobile, and the system includes: a first acquisition module 410 and a defog control module 420.
The image acquisition module 410 is used for acquiring a first real-time image outside a front windshield, which is shot by a camera in a defogging device of a camera of an automobile driving assistance system configured in a vehicle;
the defogging device for the camera of the automobile assistant driving system can be the defogging device for the camera of the automobile assistant driving system in any embodiment of the invention.
And the defogging control module 420 is used for turning on a fan and a heater in the defogging device of the camera of the automobile assistant driving system to start a defogging function of the camera under the condition that the first real-time image is determined not to meet the preset definition condition.
According to the technical scheme of the embodiment of the invention, a first real-time image outside a front windshield, which is shot by a camera in a defogging device of a camera of an automobile auxiliary driving system configured in a vehicle, is obtained through a first obtaining module; and under the condition that the first real-time image does not meet the preset definition condition, the defogging control module starts a fan and a heater in the defogging device of the camera of the automobile assistant driving system so as to start the defogging function of the camera. By adopting the technical scheme, the technical problem that the demisting time is long or the demisting operation is too frequent is solved, so that the mist on the auxiliary driving camera can be conveniently and quickly eliminated while the image forming effect is ensured, the normal work of the auxiliary driving system camera is ensured, and the driving experience of a driver is enhanced.
On the basis of the above embodiments, the system further includes: and the focusing module is used for focusing the camera.
On the basis of the foregoing embodiments, the image obtaining module 410 is further configured to obtain a second real-time image outside the front windshield, which is captured by the camera;
on the basis of the foregoing embodiments, the defogging control module 420 is further configured to turn off the fan and the heater in the defogging device for the camera of the vehicle assistant driving system to turn off the defogging function of the camera under the condition that it is determined that the second real-time image meets the preset definition condition.
The defogging system for the camera of the automobile assistant driving system can execute the defogging method for the camera of the automobile assistant driving system provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of executing the defogging method for the camera of the automobile assistant driving system.
Example four
As shown in fig. 6, a schematic diagram of a hardware structure of an automobile driving assistance device according to a fourth embodiment of the present invention is provided, where the automobile driving assistance device includes:
a camera 510 for taking a real-time image outside the front windshield;
a fan 520 and a heater 530 for implementing a defogging function of the camera;
one or more processors 540, one processor 540 being illustrated in FIG. 6;
a memory 550;
the camera 510, the fan 520, the heater 530, the processor 540 and the memory 550 of the driving assistance device may be connected by a bus or other means, and fig. 6 illustrates the connection by the bus as an example.
The memory 550 may be used as a non-transitory computer-readable storage medium for storing software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to a defogging method for a camera of a driving assistance system of a vehicle (e.g., the image acquisition module 410 and the defogging control module 420 shown in fig. 5) in an embodiment of the present application. The processor 540 executes various functional applications and data processing of the server by executing the software programs, instructions and modules stored in the memory 550, so as to implement the defogging method for the camera of the driving assistance system of the automobile according to the embodiment of the method.
The memory 550 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function; the storage data area can store image data and the like collected by a camera in the defogging device of the camera of the automobile driving assistance system. Further, the memory 550 may include high speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, memory 550 may optionally include memory located remotely from processor 540, which may be connected to a terminal device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
EXAMPLE five
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a camera defogging system of an automobile assistant driving system, implements a defogging method for a camera of an automobile assistant driving system, the method including: the method comprises the steps of obtaining a first real-time image outside a front windshield, wherein the first real-time image is shot by a camera in a defogging device of a camera of the automobile assistant driving system according to any embodiment of the invention; and if the first real-time image is determined not to meet the preset definition condition, starting a fan and a heater in a defogging device of the camera of the automobile assistant driving system to start a defogging function of the camera.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods according to the embodiments of the present invention.
The embodiment of the invention also comprises the following steps:
a1, a defogging device for a camera of an automobile driving assistance system, wherein the device comprises:
the camera of the automobile driving assistance system is mounted in the middle of the shell, the shell is bonded with an automobile windshield through a foot pad, an air cover is formed in front of the camera, a warm air supply opening is formed in the shell on the bottom surface of the air cover, a circulating airflow air outlet is formed in the outer edge of the bottom surface of the air cover, and the warm air supply opening faces the direction of the camera;
the control circuit, the fan, the heater, control circuit, fan, heater all set up the inside of casing, the heater with the fan links to each other, and sets up warm braw supply air outlet position department, control circuit with camera signal connection, and with fan and heater control connection.
A2, the defogging device for the camera of the assistant driving system for the automobile as recited in A1, wherein the defogging device for the camera of the assistant driving system for the automobile further comprises a control switch, and the control switch is connected with the outer side of the shell and the control circuit.
A3, the defogging device for the camera of the assistant driving system for the automobile as recited in A1, wherein the fan is a mute fan.
B4, a car driver assistance system camera defogging device, wherein, the device includes: the camera comprises a shell, a camera, a fan, a heater and a control circuit, wherein the camera, the fan, the heater and the control circuit are respectively arranged in the shell;
the shell comprises an adhering part, and the adhering part is used for fixing the shell on a front windshield of an automobile;
a groove is formed in one side, on which the sticking part is arranged, of the shell, the groove and the front windshield form an air hood, and an air outlet is located in one side of the air hood;
an air inlet is formed in the groove, the fan is arranged close to the air inlet, and the heater is arranged between the fan and the air inlet;
the camera extends to the groove from the inside of the shell and is used for shooting images outside the front windshield;
the control circuit is respectively connected with the fan and the heater and used for controlling the opening or closing of the fan and the heater so as to start or close the defogging function of the camera.
B5, the defogging device of B4, wherein the control circuit is connected with the camera;
the control circuit is specifically configured to: acquiring a real-time image outside the front windshield, which is shot by the camera; and if the real-time image is determined not to meet the preset definition condition, starting the fan and the heater to start a defogging function of the camera.
B6, the defogging device of B4 or B5, further comprising: a control switch disposed outside the housing;
the control switch is connected with the control circuit and used for sending a corresponding switch control instruction to the control circuit according to the physical operation of a user;
the control circuit is specifically configured to: and correspondingly turning on or off the fan and the heater according to the received switch control command.
B7, the defogging device of B4 or B5, the air inlet is arranged on the bottom surface of the groove.
B8, the defogging device of B4 or B5, wherein the fan is a silent fan.
C9, a defogging method for a camera of an automobile driving assistance system, comprising:
acquiring a first real-time image outside a front windshield, which is shot by a camera in a defogging device of a camera of an automobile assistant driving system such as the automobile assistant driving system B5-B7 arranged in a vehicle;
and if the first real-time image is determined not to meet the preset definition condition, starting a fan and a heater in a defogging device of the camera of the automobile assistant driving system to start a defogging function of the camera.
C10, before acquiring the first real-time image outside the front windshield captured by the camera of the defogging device of the vehicle driving assistance system camera according to the method of C9, further comprising: and focusing the camera.
C11, the method according to C9, after the fan and the heater in the defogging device of the camera of the automobile driving assistance system are turned on, further comprising:
acquiring a second real-time image outside the front windshield, which is shot by the camera;
and if the second real-time image is determined to meet the preset definition condition, closing a fan and a heater in the defogging device of the camera of the automobile assistant driving system so as to close the defogging function of the camera.
D12, an apparatus for driver assistance in a vehicle, comprising a camera, a fan, a heater, a memory, a processor and a computer program stored on the memory and executable on the processor, the processor when executing the program implementing the method as claimed in any one of C9-C11.
E13, a computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of C9-C11.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (11)
1. The utility model provides a car driver assistance system camera defogging device which characterized in that includes:
the camera of the automobile driving assistance system is mounted in the middle of the shell, the shell is bonded with an automobile front windshield through a foot pad, an air cover is formed in front of the camera, a warm air supply opening is formed in the shell on the bottom surface of the air cover, a circulating airflow air outlet is formed in the outer edge of the bottom surface of the air cover, and the warm air supply opening faces the direction of the camera;
the control circuit, the fan and the heater are arranged in the shell, the heater is connected with the fan and arranged at the position of the warm air supply outlet, and the control circuit is in signal connection with the camera and is in control connection with the fan and the heater;
and the control switch is connected to the outer side of the shell and connected with the control circuit.
2. The defogging device for a camera of an assistant driving system of a vehicle as recited in claim 1, wherein said fan is a mute fan.
3. The utility model provides a car driver assistance system camera defogging device which characterized in that includes: the camera comprises a shell, a camera, a fan, a heater and a control circuit, wherein the camera, the fan, the heater and the control circuit are respectively arranged in the shell;
the shell comprises an adhering part, and the adhering part is used for fixing the shell on a front windshield of an automobile;
a groove is formed in one side, on which the sticking part is arranged, of the shell, the groove and the front windshield form an air hood, and an air outlet is located in one side of the air hood;
an air inlet is formed in the groove, the fan is arranged close to the air inlet, and the heater is arranged between the fan and the air inlet;
the camera extends to the groove from the inside of the shell and is used for shooting images outside the front windshield;
the control circuit is respectively connected with the fan and the heater and is used for controlling the fan and the heater to be turned on or off so as to start or turn off a defogging function of the camera;
the control circuit is specifically configured to: acquiring a real-time image outside the front windshield, which is shot by the camera; and if the real-time image is determined not to meet the preset definition condition, starting the fan and the heater to start a defogging function of the camera.
4. A defogging device as recited in claim 3 further comprising: a control switch disposed outside the housing;
the control switch is connected with the control circuit and used for sending a corresponding switch control instruction to the control circuit according to the physical operation of a user;
the control circuit is specifically configured to: and correspondingly turning on or off the fan and the heater according to the received switch control command.
5. A defogging device as recited in claim 3 wherein said air inlet is disposed on a bottom surface of said recess.
6. A defogging device as recited in claim 3 wherein said fan is a quiet fan.
7. A defogging method for a camera of an automobile driving assistance system is characterized by comprising the following steps:
acquiring a first real-time image outside a front windshield shot by a camera in a defogging device of a camera of an automobile assistant driving system according to any one of claims 3 to 6, which is arranged in a vehicle;
and if the first real-time image is determined not to meet the preset definition condition, starting a fan and a heater in a defogging device of the camera of the automobile assistant driving system to start a defogging function of the camera.
8. The method of claim 7, further comprising, prior to obtaining a first real-time image outside a front windshield captured by a camera in a vehicle-assisted driving system camera defogging device disposed in the vehicle: and focusing the camera.
9. The method of claim 7, further comprising, after turning on a fan in the defogging device and the heater,:
acquiring a second real-time image outside the front windshield, which is shot by the camera;
and if the second real-time image is determined to meet the preset definition condition, closing a fan and a heater in the defogging device of the camera of the automobile assistant driving system so as to close the defogging function of the camera.
10. A driving assistance device for a vehicle comprising a camera, a fan, a heater, a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method according to any one of claims 7-9 when executing the program.
11. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 7-9.
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| CN2017100601793 | 2017-01-24 |
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| CN110406346B (en) * | 2018-04-26 | 2022-05-06 | 上海博泰悦臻网络技术服务有限公司 | Air conditioner control method and system based on image acquisition and vehicle |
| JP7081338B2 (en) * | 2018-06-29 | 2022-06-07 | スズキ株式会社 | In-vehicle camera |
| CN110784624B (en) * | 2018-07-27 | 2021-08-31 | 浙江宇视科技有限公司 | Demisting control method and device |
| JP7180305B2 (en) * | 2018-11-19 | 2022-11-30 | トヨタ自動車株式会社 | window glass heating device |
| CN109591764A (en) * | 2018-12-29 | 2019-04-09 | 江西与德电子技术有限公司 | A kind of vehicle window automatic defrosting method, apparatus, vehicle-mounted monitoring equipment and storage medium |
| JP2020117070A (en) * | 2019-01-23 | 2020-08-06 | 本田技研工業株式会社 | Control device for movable body |
| CN111762106B (en) * | 2019-04-01 | 2022-02-22 | 长城汽车股份有限公司 | Vehicle camera defrosting device and defrosting method |
| CN110032023B (en) * | 2019-04-17 | 2021-08-31 | 奇瑞汽车股份有限公司 | Data acquisition device of intelligent automobile and intelligent automobile |
| CN111746468A (en) * | 2020-06-28 | 2020-10-09 | 中国第一汽车股份有限公司 | Defogging method, system, device, equipment and vehicle for front-view camera |
| JP7363712B2 (en) * | 2020-08-07 | 2023-10-18 | トヨタ自動車株式会社 | heater control device |
| CN112208469B (en) * | 2020-09-24 | 2022-06-17 | 浙江零跑科技股份有限公司 | Automobile driver sight management system |
| CN112235882B (en) * | 2020-09-25 | 2022-09-06 | 深圳星标科技股份有限公司 | Method and device for removing ice and snow of visual navigation aid equipment, computer equipment and storage medium |
| CN112954208A (en) * | 2021-02-05 | 2021-06-11 | 隽美经纬电路有限公司 | Vehicle-mounted camera heater and control method thereof |
| CN112918431B (en) * | 2021-03-30 | 2022-05-03 | 东风汽车集团股份有限公司 | Control method of automatic automobile defogging control system |
| CN113415257B (en) * | 2021-07-02 | 2023-04-18 | 广东汇天航空航天科技有限公司 | Dust removal and demisting treatment method and system for sensor |
| CN114740920B (en) * | 2022-03-22 | 2024-04-09 | 上海欧菲智能车联科技有限公司 | Heating control circuit, heating control method and related device |
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| US7440025B2 (en) * | 2005-11-15 | 2008-10-21 | Yi-Jen Cheng | Defogging device for a surveillance camera |
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| CN204217036U (en) * | 2014-11-14 | 2015-03-18 | 天津市嘉杰电子有限公司 | A kind of demister for camera |
| CN205344836U (en) * | 2015-12-30 | 2016-06-29 | 上海卡豹汽车科技有限公司 | Shield glass defogging system |
| CN106131412B (en) * | 2016-07-12 | 2019-04-30 | 浙江宇视科技有限公司 | A kind of image processing method, system and electronic equipment |
| CN106218587B (en) * | 2016-07-25 | 2019-07-05 | 青岛海信移动通信技术股份有限公司 | A kind of method and apparatus for opening defrosting function |
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