CN113859100A - Visual field auxiliary system of vehicle, control method of visual field auxiliary system and vehicle - Google Patents
Visual field auxiliary system of vehicle, control method of visual field auxiliary system and vehicle Download PDFInfo
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- CN113859100A CN113859100A CN202010623375.9A CN202010623375A CN113859100A CN 113859100 A CN113859100 A CN 113859100A CN 202010623375 A CN202010623375 A CN 202010623375A CN 113859100 A CN113859100 A CN 113859100A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
- B60J3/06—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles using polarising effect
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention provides a visual field auxiliary system and method for a vehicle and the vehicle, wherein the system comprises: the acquisition module is used for acquiring speed information of vehicle running, distance information of the vehicle and other objects, and illumination information comprising illumination intensity in a driver view field range and environment illumination intensity of the vehicle; the control module is communicated with the acquisition module and used for judging whether the speed information, the distance information and the illumination information meet preset conditions or not and generating a control signal when the speed information, the distance information and the illumination information meet the preset conditions; the execution module comprises a light filtering mechanism and a light compensation mechanism, wherein the light filtering mechanism filters strong light in the field of vision of the driver according to the control signal; the light compensation mechanism compensates for ambient lighting of the vehicle. According to the visual field auxiliary system and method for the vehicle and the vehicle, the situation that a driver cannot see the environment around the vehicle clearly due to strong light can be avoided, and the driving safety is improved.
Description
Technical Field
The present invention relates to the field of vehicles, and more particularly to field of view assistance for vehicles.
Background
Vehicles may encounter many different situations during travel, such as two vehicles meeting. If the road that two cars meet is narrow, then the two car clearances at the meeting place are very close, at this moment, the driver often is difficult to grasp the distance between two cars, especially get into the rear-view mirror field of vision at the car tail of the other side, the brake light is stronger, can make the driver to the sensitivity of other light weaken, make the driver's sight unclear, see the outline of both sides car clearly, bring inconvenience for the driver to the two car clearances and the judgement to the surrounding environment, probably lead to the car afterbody to appear scraping when the meeting is about to finish, or other dangers. This situation is more likely to occur when the vehicle is meeting in dark or underground garages, etc. The existing visual field auxiliary systems shoot at places which cannot be seen by drivers so as to avoid adverse effects caused by blind areas of sight lines, and no good solution is provided for the situation of encountering strong light.
Therefore, the prior art has the problems that the sight of a driver is not clear when the driver encounters strong light during the running process of the vehicle, and the surrounding environment cannot be seen clearly.
Disclosure of Invention
The present invention has been made in view of the above problems. The invention provides a visual field assisting system of a vehicle, a control method thereof and the vehicle, which aim to solve at least one of the problems.
According to a first aspect of the present invention, there is provided a vision assistance system for a vehicle, the system comprising:
the acquisition module is used for acquiring the running speed information of the vehicle, the distance information of the vehicle and other objects and illumination information comprising the illumination intensity in the visual field range of the driver and the ambient illumination intensity of the vehicle;
the control module is communicated with the acquisition module and used for judging whether the speed information, the distance information and the illumination information meet preset conditions or not and generating a control signal when the speed information, the distance information and the illumination information meet the preset conditions;
the execution module comprises a light filtering mechanism and a light compensation mechanism, wherein the light filtering mechanism is arranged on a left window of the vehicle, is communicated with the control module and is used for filtering strong light in the field of view of a driver according to the control signal; the light compensation mechanism is arranged on a rearview mirror of the vehicle, is communicated with the control module and is used for compensating the ambient illumination intensity of the vehicle.
According to a second aspect of the present invention, there is provided a visual field assistance method for a vehicle, the method
Acquiring speed information of the vehicle, distance information of the vehicle and other objects, and illumination information including illumination intensity in a driver view field range and ambient illumination intensity of the vehicle;
judging whether the speed information, the distance information and the illumination information meet preset conditions or not, and generating a control signal when the speed information, the distance information and the illumination information meet the preset conditions;
and filtering strong light in the field of vision of the driver according to the control signal and compensating the ambient light intensity of the vehicle.
According to a third aspect of the present invention, there is provided a vehicle comprising: the visual field aid system for a vehicle according to the first aspect.
According to the visual field auxiliary system and method for the vehicle and the vehicle, strong light in the visual field range of a driver is filtered, so that the situation that the driver cannot see the environment around the vehicle clearly due to the strong light is avoided; in addition, the illumination of the environment is compensated, so that the driver can be assisted to clearly know the surrounding environment, and the driving safety is improved.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail embodiments of the present invention with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings, like reference numbers generally represent like parts or steps.
FIG. 1 is a schematic view of a vehicle vision assistance system according to an embodiment of the present invention;
FIG. 2 is an example of an acquisition module according to an embodiment of the invention;
FIG. 3 is an example of a rearview mirror according to an embodiment of the invention;
FIG. 4 is a schematic flow chart diagram of a method of assisting a field of view of a vehicle in accordance with an embodiment of the present invention;
FIG. 5 is an example of a method of assisting a field of view of a vehicle according to an embodiment of the present invention;
fig. 6 is a schematic block diagram of a vehicle according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, exemplary embodiments according to the present invention will be described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely a subset of embodiments of the invention and not all embodiments of the invention, with the understanding that the invention is not limited to the example embodiments described herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the invention described herein without inventive step, shall fall within the scope of protection of the invention.
In the vehicle driving process, when meeting such as two vehicles meeting, the driver is often difficult to grasp the distance between the two vehicles, especially enters the field of vision of a rearview mirror at the tail of the opposite vehicle, the light of a brake lamp is strong, the sensitivity of the driver to other light is weakened, the profiles of the two vehicles can not be clearly seen by the driver, the judgment of the two vehicle clearances is inconvenient for the driver, the distance is difficult to judge even if the head of the driver stretches out of a window, and the scraping of the tail of the vehicle is likely to occur when the meeting is about to end. This effect is even stronger when the vehicles meet in dark or underground garages and the like. The light control among the current vision auxiliary system mainly relates to far and near light switch when the road meeting to and light scintillation reminder system etc. when the vehicle is close to, lacks the auxiliary light illumination of vehicle both sides, and current vision auxiliary system more makes a video recording etc. to the place that can not see, does not have the shielding to the highlight, does not have the help to the traveling of above-mentioned operating mode.
In view of the above, embodiments of the present invention provide a field of view assistance system for a vehicle. Referring now to FIG. 1, FIG. 1 illustrates a schematic view of a vehicle vision assistance system, according to an embodiment of the present invention. As shown in fig. 1, a visual field aid system 100 for a vehicle, the system 100 comprising:
the acquisition module 110 is configured to acquire speed information of the vehicle, distance information between the vehicle and another object, and illumination information including illumination intensity within a driver's field of view and ambient illumination intensity of the vehicle;
a control module 120, in communication with the acquisition module 110, configured to determine whether the speed information, the distance information, and the illumination information satisfy preset conditions, and generate a control signal when the speed information, the distance information, and the illumination information satisfy the preset conditions;
an execution module 130, including a light filtering mechanism 131 and a light compensating mechanism 132, wherein the light filtering mechanism 131 is disposed on a left window of the vehicle and is in communication with the control module 120, and is configured to filter glare in a driver's field of view according to the control signal; the light compensation mechanism 132 is disposed on a rear view mirror of the vehicle and is in communication with the control module 120 for compensating for ambient lighting of the vehicle.
According to the visual field auxiliary system of the vehicle, whether the vehicle is in a meeting environment with poor illumination conditions at present is comprehensively judged by detecting the vehicle speed, the distance between the vehicle and other objects (such as vehicles), the illumination intensity in the visual field range of a driver and the ambient illumination in the driving process of the vehicle, if the vehicle is determined to be in the environment with poor illumination conditions, the ambient illumination of the vehicle is not strong, and the situation that the driver cannot see the two vehicles is possibly caused when the light emitted by the opposite vehicle (such as the light of a brake lamp) is strong, at the moment, the strong light can be filtered through the light filtering mechanism, so that the driver is prevented from being interfered by the strong light and the distance between the two vehicles cannot be judged; and the light compensation mechanism is used for compensating the ambient illumination of the vehicle, so that a clearer visual field is provided for a driver, the driver is assisted to clearly see the surrounding vehicle and other objects, and the driving safety is improved.
Referring to fig. 2, fig. 2 shows an example of an acquisition module according to an embodiment of the invention. As shown in fig. 2, the acquisition module 110 may include:
the speed collector is used for collecting the speed information;
the distance collector is arranged on the side surface of the vehicle and used for collecting the distance information;
and the illumination collectors are arranged on the front side and the rear side of the vehicle rearview mirror and are used for collecting the illumination information.
Optionally, the speed harvester may include a speed sensor.
In some embodiments, the speed sensor may be provided separately from the vehicle, or may be used directly with an existing speed sensor in the vehicle.
In some embodiments, the speed sensor sends the collected speed information to the control module.
Optionally, the distance collector may comprise at least one distance sensor.
In some embodiments, at least some of the at least one distance sensors transmit the collected distance signals to the control module.
In some embodiments, the distance sensor may be disposed at a side of the vehicle.
In some embodiments, the distance sensor may be disposed on the left and/or right side of the vehicle.
In some embodiments, the distance sensors may be evenly distributed on the left and/or right side of the vehicle.
In some embodiments, distance sensors may be provided at the front, middle, and rear of the left side of the vehicle, respectively.
In some embodiments, distance sensors may be provided at the front, middle, and rear of the right side of the vehicle, respectively.
The distance sensor is arranged at the front part of the left side of the vehicle and used for detecting the distance between the front part of the left side of the vehicle and other vehicles (or articles), the distance sensor is arranged at the middle part of the left side of the vehicle and used for detecting the distance between the middle part of the left side of the vehicle and other vehicles (or articles), and the distance sensor is arranged at the rear part of the left side of the vehicle and used for detecting the distance between the rear part of the left side of the vehicle and other vehicles (or articles).
As in the left side, the distance sensors provided at the front, middle, and rear portions of the right side of the vehicle detect the distances between the front, middle, and rear portions of the right side of the vehicle and other vehicles (or articles), respectively.
Optionally, referring again to fig. 2 and 3, fig. 3 shows an example of a rearview mirror in accordance with an embodiment of the invention. As shown in fig. 2 and 3, the light collector includes a first light intensity sensor 1, and a second light intensity sensor 2.
In some embodiments, the first light intensity sensor may be disposed on a left side rear view mirror of the vehicle. Further, the first light intensity sensor may be disposed at a rear side of the left side rear view mirror, i.e., at a lens side of the left side rear view mirror, for collecting an illumination intensity of a visual field of a driver.
In some embodiments, the first light intensity sensor transmits the collected light intensity of the driver's field of view to the control module.
In some embodiments, the second light intensity sensor may be disposed on a left side rear view mirror of the vehicle. Further, the second light intensity sensor may be disposed at a front side of the left side rear view mirror, that is, a side of the left side rear view mirror facing the driving direction, for collecting the ambient light intensity of the vehicle.
In some embodiments, the second light intensity sensor transmits the collected ambient light intensity of the vehicle to the control module.
According to the embodiment of the present invention, the control module 120 may be implemented by software, hardware, firmware or a combination thereof, and may use at least one of a Circuit, a single or multiple Application Specific Integrated Circuits (ASICs), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a Central Processing Unit (CPU), a PLC, a microcontroller, and a microprocessor.
In some embodiments, the control module 120 may include a communication interface. Further, the communication interface may be an interface of any communication protocol.
The control module 120 may transmit data with any module in the system through a communication interface and a certain communication protocol. It should be understood that the system according to the embodiment of the present invention is not limited by a communication interface, and whether the system is an interface of a currently known communication protocol or an interface of a communication protocol developed in the future may be used in the system according to the embodiment of the present invention to implement a function of communicating with the outside through a network, which is not limited herein.
In some embodiments, the control module 120 communicates with the acquisition module 110 and the execution module 130 in a wired or wireless manner.
Optionally, the preset condition includes a first preset condition, and the system further includes:
and the speed switch is connected with the control module, and when the control module judges that the speed information meets a first preset condition, the control module controls the speed switch to be switched on, wherein the first preset condition comprises that the running speed of the vehicle is less than a speed threshold value.
Optionally, the preset condition includes a second preset condition, and the system further includes:
and the distance switch is connected with the control module, and when the control module judges that the distance information meets a second preset condition, the control module controls the distance switch to be switched on, wherein the second preset condition comprises that the distance between the vehicle and other objects is less than a distance threshold value.
Optionally, the preset condition includes a third preset condition, and the system further includes:
the illumination switch, with control module connects, works as control module judges when illumination information satisfies the third preset condition, control module control the illumination switch switches on, wherein, the third preset condition includes ambient light intensity is less than the ambient light threshold value just illumination intensity in the driver field of vision scope is greater than or equal to the highlight threshold value.
In some embodiments, the control module generates a control signal when the speed switch, the distance switch, and the illumination switch are all on.
In some embodiments, the speed switch, the distance switch, and the illumination switch are all controllable switches.
It should be understood that the speed threshold, the distance threshold, the ambient light threshold, or the strong light threshold may be set as desired, and are not limited herein.
According to an embodiment of the present invention, the light filtering mechanism 131 in the execution module 130 may include a polarizer.
The light filtering mechanism does not influence the normal use of the rearview mirror when the execution module does not work, and the light can be acutely filtered by the polaroid on the light path reflected to the eyes of a driver through the rearview mirror when the execution module works. A light compensating mechanism (e.g., a compensating lamp) shown in fig. 3 is installed at an end of the rear view mirror away from the vehicle lamp, and the light of the compensating lamp can irradiate the area on the side of the vehicle body behind the B-pillar and the side of the vehicle facing the vehicle, which is easily scratched by the vehicle.
When meeting two cars, can filter the brake light of the other side's vehicle through this polaroid for the highlight that the brake light sent attenuates by a wide margin, thereby avoids the highlight to driver's sight influence, makes the driver can see the profile of vehicle clearly, conveniently judges the distance between two cars, reduces the emergence of accident.
Optionally, the light compensation mechanism comprises a light intensity adjustment device for adjusting a compensation illumination intensity for compensating for the ambient illumination of the vehicle.
In some embodiments, the light intensity adjusting device may be divided into a plurality of adjustment levels, each level corresponding to a different compensating illumination intensity.
In some embodiments, the light intensity adjustment device may comprise a continuous compensation illumination intensity adjustment range, such that the ambient illumination intensity may be adjusted over a continuous range.
It should be understood that the different compensation illumination intensities corresponding to the adjustment levels and the adjustment ranges of the compensation illumination intensities can be set as required, and are not limited herein.
Optionally, the system further comprises: and the manual control device is used for manually controlling the light filtering mechanism to filter strong light in the field of vision of a driver and/or manually controlling the light compensation mechanism to compensate the ambient illumination of the vehicle.
In some embodiments, when the collected speed information, distance information, and illumination information do not satisfy preset conditions, the driver may control the light filtering mechanism and the light compensating mechanism according to his own judgment, so as to avoid the influence of strong light on the driver's view under other conditions.
In some embodiments, the collected speed information, distance information, and illumination information do not satisfy a preset condition, and may be at least one of the following:
the speed at which the vehicle is traveling is greater than or equal to the speed threshold;
the distance between the vehicle and other objects is greater than or equal to the distance threshold;
the ambient light intensity is greater than or equal to an ambient light threshold;
the illumination intensity in the driver's field of view is less than the glare threshold.
According to the visual field replication system of the vehicle, when the system is started, the acquisition module and the control module start to work. When the control module CAN acquire the current working condition information through the acquisition module and the CAN bus, the control module judges whether the current working condition meets the system execution condition or not and outputs a signal to the execution module. The control module receives the speed information through the CAN bus, compares the speed information with a set speed threshold value, and controls the speed switch to be switched off when the speed information is greater than or equal to the speed threshold value, namely the speed is overhigh; when the speed information is smaller than the speed threshold value, namely the speed information meets the system starting condition, the speed switch is controlled to be closed; the control module also receives the distance information, compares the distance information with a set distance threshold value, and controls the distance switch to be closed when the distance information is smaller than the distance threshold value, namely the distance is closer; when the distance information is greater than or equal to the distance threshold value, namely the distance is far, the control switch is switched off. When the control module receives the light intensity information, the control module respectively receives the ambient light intensity information and the strong light information, and controls to close the light intensity switch when strong light appears; when the strong light disappears, the light intensity switch is controlled to be switched off.
When the three switches are closed, the control module sends an execution signal to the execution module to enable the execution module to start working, namely the execution module positions the polaroid in place and turns on the compensation light source, so that auxiliary lighting under the working condition is realized.
When the execution module acquires the execution signal sent by the control module, the light ray filtering mechanism is controlled to be located at a preset position (namely, reset), and meanwhile, the light compensation mechanism is opened. The light ray filtering mechanism mainly comprises at least one polaroid, and when the brake lamp light of the other vehicle passes through the polaroid after being reflected by the rearview mirror in the process of meeting the two vehicles, the illumination intensity is greatly attenuated. Because the polaroid also weakens the ambient light passing through, the vehicle-mounted light source device is also provided with an ambient light compensation mechanism, the light compensation mechanism can comprise a light source for emitting polarized light, and the emitted polarized light can penetrate through the polaroid, so that a driver can clearly see the vehicle body outlines of the vehicles of both sides, the surrounding environment and the like. The control module controls the execution module accurately, can accurately start the visual field auxiliary system under the condition that the working condition is met, and is convenient for a user to use.
Referring to fig. 4, fig. 4 is a schematic flow chart illustrating a visual field assistance method for a vehicle according to an embodiment of the present invention. As shown in fig. 4, a method 400 for assisting a field of view of a vehicle includes:
step S410, acquiring speed information of the vehicle, distance information of the vehicle and other objects, and illumination information including illumination intensity in a driver view field range and environment illumination intensity of the vehicle;
step S420, judging whether the speed information, the distance information and the illumination information meet preset conditions or not, and generating a control signal when the speed information, the distance information and the illumination information meet the preset conditions;
and step S430, filtering the strong light in the field of vision of the driver according to the control signal and compensating the ambient light intensity of the vehicle.
Optionally, in step S420, the speed information, the distance information, and the illumination information satisfying the preset condition may include:
the speed that the vehicle went is less than the speed threshold value, the distance of vehicle and other objects is less than the distance threshold value, and ambient light intensity is less than ambient light threshold value and the illumination intensity in the driver field of vision scope is greater than or equal to the highlight threshold value.
In some embodiments, when the speed information, the distance information, and the illumination information satisfy a preset condition, generating the control signal may include:
when the running speed of the vehicle is less than a speed threshold value, controlling a speed switch to be conducted;
when the distance between the vehicle and other objects is smaller than a distance threshold value, controlling a distance switch to be conducted;
when the ambient illumination intensity is smaller than an ambient illumination threshold and the illumination intensity in the field of view of the driver is greater than or equal to an intense light threshold, controlling an illumination switch to be switched on;
when the speed switch, the distance switch and the illumination switch are all switched on, the control module generates a control signal.
In some embodiments, the speed switch, the distance switch, and the illumination switch are all controllable switches.
It should be understood that the speed threshold, the distance threshold, the ambient light threshold, or the strong light threshold may be set as desired, and are not limited herein.
Optionally, in step S430, the compensating for the ambient light intensity of the vehicle may include: and compensating the ambient illumination intensity of the vehicle according to different compensation illumination intensities corresponding to different grades, or compensating the ambient illumination intensity of the vehicle within a preset range.
Optionally, the method 400 further comprises:
when the speed information, the distance information and the illumination information do not meet preset conditions, manually controlling to filter strong light in a driver's visual field range, or manually controlling to compensate for ambient illumination intensity of the vehicle.
In one embodiment, in conjunction with fig. 5, fig. 5 illustrates an example of a vehicle vision assistance method according to an embodiment of the present invention. A vehicle visual field assisting method according to an embodiment of the present invention is described as an example, and as shown in fig. 5, the vehicle visual field assisting method includes:
firstly, a driver starts a visual field auxiliary system of a vehicle;
then, the control module receives the speed information, the distance information and the illumination information transmitted by the acquisition module and the CAN bus, and respectively judges whether the speed, the distance and the light intensity meet the preset conditions of the system:
the control module receives a speed signal from the CAN bus, analyzes whether the speed accords with the speed condition for starting the system or not, if the speed is too high, the automobile is obviously in a normal running state and does not accord with the working condition of slow intersection, and only when the speed is low, the intersection of two automobiles CAN occur, so that when the current running speed of the automobile is less than the threshold value, the speed condition is met. Judging whether the current speed meets the speed condition, if so, judging the speed condition to be true, and if not, judging the speed condition to be false;
the distance sensor transmits the distance information to the control module, the control module judges whether the distance between the two vehicles at present meets the system starting condition, and if the distance is too close, the two vehicles are likely to be scratched. Three distance sensors distributed at the front, middle and rear of the vehicle send three information data to the control module, where the minimum of the three data can be taken as the distance between two vehicles. If the distance between the two vehicles is less than or equal to the set distance threshold, the meeting condition is met, the distance condition is 'true', if the distance between the two vehicles is greater than the set distance threshold, the meeting condition is not met, and the distance condition is 'false';
the light intensity inductor transmits light intensity information to the control module, and when the environment is bright, the influence of brake lamp light of the opposite vehicle on the visual field of a driver is not large. Therefore, when the ambient light intensity is less than the ambient light threshold and the light intensity in the driver's field of view is greater than or equal to the glare threshold, i.e., the environment is weak and the brake light is strong, glare may affect the driver's field of view. Therefore, if the ambient light intensity is less than the ambient light threshold and the light intensity within the driver's field of view is greater than or equal to the glare threshold, then the light intensity condition is "true", otherwise the light intensity condition is "false";
then, judging whether the three conditions are all true, if so, judging that the control module transmits an execution signal to the execution module at the moment, and if not, transmitting an interrupt signal to the execution module;
then, after the execution module receives the execution signal sent by the control module, the polaroid in the light filtering mechanism filters the brake light, so that the light intensity seen by a driver is reduced, the light of the brake light can not be completely filtered according to the polarization principle, the illumination intensity can be greatly weakened when the brake light penetrates through the light filtering polaroid, and the light reflected by the vehicle body and irradiated by the original environment natural light is basically weakened while the strong light of the brake light is weakened. In this case, the light intensity of the vehicle contour to be observed is compensated for simultaneously when filtering the light. The rear-view mirror department sets up the compensating lamp and regards as light compensation mechanism, makes its irradiant place can see more clearly through the polaroid, and it is more convenient that the driver can be when judging the clearance between two cars like this.
According to an embodiment of the present invention, there is also provided a vehicle, referring to fig. 6, fig. 6 shows a schematic block diagram of a vehicle according to an embodiment of the present invention, the vehicle 600 including: a vision assistance system 610 for a vehicle according to an embodiment of the invention.
In summary, according to the field of view assistance system and method for a vehicle and the vehicle of the present invention, the strong light in the field of view of the driver is filtered to avoid that the driver cannot see the environment around the vehicle due to the strong light; in addition, the illumination of the environment is compensated, so that the driver can be assisted to clearly know the surrounding environment, and the driving safety is improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the specific embodiment of the present invention or the description thereof, and the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the protection scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A vision assistance system for a vehicle, the system comprising:
the acquisition module is used for acquiring the running speed information of the vehicle, the distance information of the vehicle and other objects and illumination information comprising the illumination intensity in the visual field range of the driver and the ambient illumination intensity of the vehicle;
the control module is communicated with the acquisition module and used for judging whether the speed information, the distance information and the illumination information meet preset conditions or not and generating a control signal when the speed information, the distance information and the illumination information meet the preset conditions;
the execution module comprises a light filtering mechanism and a light compensation mechanism, wherein the light filtering mechanism is arranged on a left window of the vehicle, is communicated with the control module and is used for filtering strong light in the field of view of a driver according to the control signal; the light compensation mechanism is arranged on a rearview mirror of the vehicle, is communicated with the control module and is used for compensating the ambient illumination intensity of the vehicle.
2. The system of claim 1, wherein the light compensation mechanism comprises a light intensity adjustment device for adjusting a compensation illumination intensity that compensates for ambient illumination of the vehicle.
3. The system of claim 1, further comprising: and the manual control device is used for manually controlling the light filtering mechanism to filter strong light in the field of vision of a driver and/or manually controlling the light compensation mechanism to compensate the ambient illumination of the vehicle.
4. The system of any one of claims 1-3, wherein the acquisition module comprises:
the speed collector is used for collecting the speed information;
the distance collector is arranged on the side surface of the vehicle and used for collecting the distance information;
and the illumination collectors are arranged on the front side and the rear side of the vehicle rearview mirror and are used for collecting the illumination information.
5. The system according to any one of claims 1-3, wherein the preset condition comprises a first preset condition, the system further comprising:
and the speed switch is connected with the control module, and when the control module judges that the speed information meets a first preset condition, the control module controls the speed switch to be switched on, wherein the first preset condition comprises that the running speed of the vehicle is less than a speed threshold value.
6. The system according to any one of claims 1-3, wherein the preset condition comprises a second preset condition, the system further comprising:
and the distance switch is connected with the control module, and when the control module judges that the distance information meets a second preset condition, the control module controls the distance switch to be switched on, wherein the second preset condition comprises that the distance between the vehicle and other objects is less than a distance threshold value.
7. The system according to any one of claims 1-3, wherein the preset condition comprises a third preset condition, the system further comprising:
the illumination switch, with control module connects, works as control module judges when illumination information satisfies the third preset condition, control module control the illumination switch switches on, wherein, the third preset condition includes ambient light intensity is less than the ambient light threshold value just illumination intensity in the driver field of vision scope is greater than or equal to the highlight threshold value.
8. A vehicle, characterized by comprising: the system of any one of claims 1-7.
9. A vehicle sight assisting method, characterized by comprising:
acquiring speed information of the vehicle, distance information of the vehicle and other objects, and illumination information including illumination intensity in a driver view field range and ambient illumination intensity of the vehicle;
judging whether the speed information, the distance information and the illumination information meet preset conditions or not, and generating a control signal when the speed information, the distance information and the illumination information meet the preset conditions;
and filtering strong light in the field of vision of the driver according to the control signal and compensating the ambient light intensity of the vehicle.
10. The method of claim 9, further comprising:
when the speed information, the distance information and the illumination information do not meet preset conditions, manually controlling to filter strong light in a driver's visual field range, or manually controlling to compensate for ambient illumination intensity of the vehicle.
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| WO2012156779A1 (en) * | 2011-05-16 | 2012-11-22 | Tofas Turk Otomobil Fabrikasi Anonim Sirketi | A window darkening system and method for vehicles |
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