CN107487161B - Intelligent vehicle sunshade curtain device - Google Patents
Intelligent vehicle sunshade curtain device Download PDFInfo
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- CN107487161B CN107487161B CN201710736670.3A CN201710736670A CN107487161B CN 107487161 B CN107487161 B CN 107487161B CN 201710736670 A CN201710736670 A CN 201710736670A CN 107487161 B CN107487161 B CN 107487161B
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- 210000003128 head Anatomy 0.000 claims abstract description 17
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- 238000005286 illumination Methods 0.000 claims description 7
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- 230000001815 facial effect Effects 0.000 claims description 4
- 230000036561 sun exposure Effects 0.000 claims 1
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- 238000010586 diagram Methods 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000004438 eyesight Effects 0.000 description 3
- 230000004313 glare Effects 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004297 night vision Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
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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
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/20—Accessories, e.g. wind deflectors, blinds
- B60J1/2011—Blinds; curtains or screens reducing heat or light intensity
- B60J1/2013—Roller blinds
- B60J1/2019—Roller blinds powered, e.g. by electric, hydraulic or pneumatic actuators
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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
- B60J3/02—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles adjustable in position
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Liquid Crystal (AREA)
Abstract
An intelligent vehicle sunshade device, comprising: the camera is used for acquiring a first light real-time image from a vehicle windshield, a second light real-time image from a vehicle door window and a passenger head image; the sunshade curtain control unit comprises a cross rod and a stepping motor, wherein a semitransparent sunshade curtain is wound on the cross rod, and the stepping motor adjusts the shielding range of the sunshade curtain; the embedded computer is installed in the A column or the B column of the windshield and connected with the camera and the sunshade curtain control unit, and the embedded computer calculates the movement direction and the distance of each sunshade curtain according to the vehicle state, the first light real-time image, the second light real-time image and the passenger head image, so that the shielding range reaches 1.5 centimeters above the nosetips of a driver and passengers, and the eyes are fully covered. The invention automatically adjusts the sunshade curtain according to the light intensity and the head position of the driver and passengers, avoids the potential safety hazard, and solves the problems that the mechanical sunshade board has limited light blocking range and can not adapt to the requirements of drivers.
Description
Technical Field
The invention relates to a sunshade device in a vehicle, in particular to an automatic device which can properly filter dazzling light and does not influence the visual field of a driver by combining a semitransparent sunshade curtain which automatically adjusts the head position of a passenger according to the intensity and the angle of the light emitted to the vehicle.
Background
The quality of a vehicle is improved by increasingly applying an IT technology, the maintenance of a good visual field of a driver in the driving process of the vehicle is an important guarantee for the safe driving of the vehicle, the existing vehicle uses a simple mechanical sun visor to obstruct sunlight or light irradiating to the eyes of the driver, and the direction and the angle of the sun visor are adjusted by freeing one hand of the driver, so that the attention is dispersed, and the operation error of the driver is caused; in an emergency, a driver cannot control the sun shield, eyes are stimulated by strong light, and road conditions cannot be distinguished, so that traffic accidents occur; in a word, the traditional sun visor has potential safety hazards and can influence traffic safety.
In order to solve the above problems, chinese patent document CN102848884A discloses an intelligent adjusting system for a sun visor of a vehicle, which includes: the light sensor, the strong light source positioning device, the eye positioning device and the sun shield are in signal connection with the controller and used for stretching and steering according to the instruction of the controller; and the controller adjusts the stretching amount and the steering amount of the sun shield in real time based on the eye position and the position of the strong light source, so that strong light is prevented from directly irradiating the eyes of the driver.
However, the above method only solves the glare incident from the front windshield, and does not solve the glare incident from the side of the driver and the passenger; the sun shield is stretched to naturally shield part of the visual field, so that adverse effects can be caused to the driving of a driver; the term "light intensity parameter" defined in the above method may be a set of values preset by the driver according to the sensitivity of the driver to the light intensity, and one of the values is used as a critical value, when the measured light intensity is greater than the light intensity parameter, the light is judged to be strong light, the parameter setting is too simple, and the problem of glaring to the vehicle light at night is not involved.
Disclosure of Invention
The invention provides an intelligent vehicle sunshade device which can solve the problem of strong light entering from a front windshield and can solve the problem of strong light entering from the side surfaces of a driver and passengers.
To solve the above problems, as one aspect of the present invention, there is provided an intelligent vehicular sun visor device including: the camera is used for acquiring a first light real-time image from a vehicle windshield, a second light real-time image from a vehicle door window and a passenger head image; the sunshade curtain control unit comprises a cross rod and a stepping motor, wherein a semitransparent sunshade curtain is wound on the cross rod, and the stepping motor adjusts the shielding range of the sunshade curtain; the embedded computer is installed in the column A or the column B of the windshield and connected with the camera and the sunshade curtain control unit, and the embedded computer calculates the movement direction and the distance of each sunshade curtain according to the vehicle state, the first light real-time image, the second light real-time image and the passenger head image, so that the shielding range reaches 1.5 centimeters above the nosetips of a driver and passengers to ensure the full coverage of the eyes.
Preferably, the cross bar is arranged in the roof, the cross bar is arranged above the front windshield glass and above the vehicle door glass respectively, gears are arranged on two sides of the cross bar, the gears are connected with the hydraulic telescopic guide rail, and the stepping motor drives the hydraulic telescopic guide rail to stretch and retract so as to adjust the front and back directions of the sun-shading and simultaneously pull the sun-shading curtain to unfold or roll up.
Preferably, intelligent vehicle sunshade screen device includes six cameras, is driver's camera group, copilot camera group, second row seat left side camera group and second row seat right side camera group respectively, every group the camera all includes camera outside the window and in the window, the camera is installed on the door in order to gather the light information that comes from the outside the window, the camera is installed on the ceiling in order to gather passenger positional information in the window.
Preferably, the camera of the driver camera group is installed at the center of the steering wheel to accurately collect the facial information of the driver.
Preferably, the embedded computer corrects the driver's face image that is not corrected by turning the steering wheel to a normalized corrected image.
Preferably, the embedded computer compares the images of other shadow positions in the vehicle with the images of the illumination outside the vehicle, so as to accurately calculate whether the eyes are illuminated by light and the illumination intensity, calculate the adjustment direction and the extension or contraction length of the sun-shading curtain according to the geometric principle, and realize the rapid shading of the light by controlling the stepping motor.
Preferably, the embedded computer comprises a daytime mode, and the daytime mode calculates the adjusting angle and the extending amplitude of the sun-shading curtain according to the sunlight intensity, the sunlight angle, the head positions of a driver and a passenger.
Preferably, the time interval between two adjustments of the shade in the daytime mode should be no less than a preset minimum time interval, for example 60 seconds.
Preferably, the embedded computer comprises a night mode, wherein the night mode analyzes the light of the opposite vehicle, predicts the influence on the visual field of the driver, adjusts the sunshade curtain 0.5 second before the light irradiates the driver, and retracts the sunshade immediately when the light of the opposite vehicle is predicted to leave the eye position of the driver.
According to the invention, the scroll type semitransparent sun-shading curtains are arranged above the front windshield and the door glass of the vehicle, the sun-shading curtains are automatically adjusted according to the intensity of light (sunlight and light opposite to the vehicle) and the head position of drivers and passengers, so that the light rays which are emitted to the drivers and passengers, especially the light rays emitted to the eyes of the drivers are shielded, the potential safety hazard caused by the influence on the driving action due to the dispersion of the attention of the drivers because the mechanical sun-shading board is manually operated is avoided, and the problems that the range of the light rays blocked by the mechanical sun-shading board is limited and the requirements of the drivers cannot be met are solved. Ensure that the driver can drive with concentration, reach and improve driving comfort level and guarantee vehicle safety purpose of going. The invention can also serve the passengers of the vehicle and is arranged in front of the copilot or above the rear vehicle window.
Drawings
FIG. 1 is a schematic diagram of the operation of a front windshield of an intelligent sunshade.
Fig. 2 is a schematic structural diagram of the intelligent sunshade curtain system.
Fig. 3 is a working schematic diagram of the left glass of the intelligent sun-shading curtain.
FIG. 4 is a schematic diagram of the intelligent hydraulic rod of the sunshade swinging back and forth.
FIG. 5 is a schematic diagram of the intelligent hydraulic rod extension and retraction of the sunshade.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
The invention integrates an embedded computer and an artificial intelligence vehicle auxiliary system, judges the head position of a driver by utilizing a computer vision technology, intelligently adjusts the sheltering direction and amplitude, effectively shelters light rays which are emitted to the eyes of the driver and comprise solar light rays and vehicle light rays emitted by driving at night, and does not obviously influence the visual field of the driver.
In one aspect of the present invention, there is provided an intelligent vehicle sunshade device, including:
the camera is used for acquiring a first light real-time image from a vehicle windshield, a second light real-time image from a vehicle door window and a passenger head image and providing real-time data for computer sunshade operation calculation; preferably, the camera adopts a high-definition micro-optical camera.
The sunshade curtain control unit comprises a cross rod and a stepping motor, wherein a semitransparent sunshade curtain is wound on the cross rod, and the stepping motor adjusts the shielding range of the sunshade curtain; the translucent sunshade has a function of one-way blocking external light.
The embedded computer is arranged in the column A or the column B of the windshield and connected with the camera and the sunshade screen control unit, and the embedded computer calculates the movement direction and the distance of each sunshade screen according to the state of the vehicle, the first light real-time image, the second light real-time image and the head image of the passenger, so that the shielding amplitude reaches 1.5 cm above the nosetips of the driver and the passenger to ensure the full coverage of the eyes, the light is effectively shielded, the sunshade screen blocks the light irradiating the eyes of the passenger, the normal eyesight of the passenger is maintained, and the safe driving of the vehicle is ensured. The vehicle-mounted storage battery provides electric energy for the embedded computer, and the embedded computer forms the control center of the invention.
The front windshield and the door glass are respectively provided with a sunshade curtain control unit, and the shading range is adjusted according to the first light real-time image, the second light real-time image and the passenger head image, so that the strong light of the front windshield can be shaded, and the strong light can be shaded and injected from the side surfaces of a driver and a passenger.
Due to the adoption of the technical scheme, the roller type semitransparent sun-shading curtains are arranged above the front windshield and the door glass of the vehicle, the sun-shading curtains are automatically adjusted according to the intensity of light (sunlight and opposite vehicle light) and the head positions of drivers and passengers, the light rays which are emitted to the drivers and passengers, particularly the light rays which are emitted to the eyes of the drivers and passengers are shielded, the potential safety hazard caused by the fact that the attention of the drivers is dispersed and the driving action is influenced because the mechanical sun-shading board is manually operated is avoided, and the problems that the range of the light rays blocked by the mechanical sun-shading board is limited and the requirements of the drivers cannot be met are solved. Ensure that the driver can drive with concentration, reach and improve driving comfort level and guarantee vehicle safety purpose of going. The invention can also serve the passengers of the vehicle and is arranged in front of the copilot or above the rear vehicle window.
In the illustrated embodiment, preferably, the cross bar is built in the vehicle roof, the cross bar is respectively mounted above the front windshield glass and the door glass, gears are mounted on two sides of the cross bar, the gears are connected with hydraulic telescopic guide rails, and the stepping motor drives the hydraulic telescopic guide rails to extend and retract so as to draw the sunshade screen to be unfolded or rolled up while adjusting the front and rear directions of the sunshade. As shown in FIG. 4, the hydraulic guide rail is normally retracted and hidden in the carport, and the stepping motor controls the guide rail to extend and retract, so that the sun-shading curtain is drawn to be unfolded or rolled up. As shown in fig. 5, the movement of the sunshade curtain is two-dimensional, i.e. the sunshade curtain can simultaneously extend and retract up and down and swing back and forth, so as to keep the best view of the driver and play the role of sunshade and light isolation.
Preferably, intelligent vehicle sunshade screen device includes six cameras, is driver's camera group, copilot camera group, second row seat left side camera group and second row seat right side camera group respectively, every group the camera all includes camera outside the window and in the window, the camera is installed on the door in order to gather the light information that comes from the outside the window, the camera is installed on the ceiling in order to gather passenger positional information in the window.
Preferably, the camera of the driver camera group is installed at the center of the steering wheel to accurately collect the facial information of the driver. In this way, it is ensured that a clear image of the driver's face can be acquired regardless of day or night.
Preferably, the embedded computer corrects the driver's face image that is not corrected by turning the steering wheel to a normalized corrected image. Preferably, the embedded computer compares the images of other shadow positions in the vehicle with the images of the illumination outside the vehicle, so as to accurately calculate whether the eyes are illuminated by light and the illumination intensity, calculate the adjustment direction and the extension or contraction length of the sun-shading curtain according to the geometric principle, and realize the rapid shading of the light by controlling the stepping motor. Because the sun-shading curtain is shot from the center of the steering wheel from bottom to top, the collected images are not affected by a driver wearing a cap, sunglasses, a mask and surrounding yarns, and are compared with other shadow position images in the automobile and illumination images outside the automobile, whether the eyes are irradiated by light rays or not and the irradiation intensity can be accurately calculated, the adjustment direction and the extension or contraction length of the sun-shading curtain are calculated according to the geometrical principle, and the purpose of quickly shading and blocking the light rays is realized by controlling the stepping motor.
Preferably, the embedded computer comprises a daytime mode, the daytime mode calculates the adjusting angle and the extending amplitude of the sun-shading curtain according to the sunlight intensity, the sunlight angle, the head positions of a driver and a passenger, and the motor is controlled to complete adjustment.
Preferably, the time interval between two adjustments of the shade in the daytime mode should be no less than a preset minimum time interval. For example, to avoid the repetitive oscillation adjustment, the time interval between the two adjustments in the daytime mode should be not less than the minimum time interval, and the value can be set to 60 seconds.
Preferably, the embedded computer includes a night mode in which the lights of the oncoming vehicle are analyzed to predict the effect on the driver's field of view, the shade is adjusted 0.5 seconds before the lights are directed to the driver, and the shade is retracted immediately when it is predicted that the lights of the oncoming vehicle are away from the driver's eye position (calculated, not actually directed).
The invention is not in conflict with the traditional mechanical sun visor of the vehicle, and is an auxiliary optional device which can be used or not used by a driver and passengers. The invention does not compete with the central rearview mirror mounted on the front windshield in position, the sun-shading curtain extends and contracts from the rear of the central rearview mirror, and the direction of the sun-shading curtain is adjusted to the limit of the central rearview mirror. The installation and the use of equipment such as ETC, a vehicle event data recorder and the like can not be influenced. The invention works independently with the side car window, no conflict is generated, and the sunshade curtain can be started when the car window is opened. Except the front sunshade curtain, the extension and contraction traction mechanisms of the rest sunshade curtains are hidden and installed in the car shed, and the interior decoration of the car cannot be influenced.
The sunshade curtains related to the invention work independently without mutual influence, except the front sunshade curtain of the driver and the front sunshade curtain of the copilot, other sunshade curtains can be started to be fully shielded during the running process, and the side car windows can be fully shielded. When the vehicle stops, all the sun-shading curtains can be started to completely shade the interior of the vehicle, and the sun-shading and cooling effects are achieved.
The invention has the following beneficial effects:
(1) the security system of thing networking and artificial intelligence has been fused, can improve the safety and the travelling comfort of taking the vehicle, avoids because of the danger that light is amazing and manually operation machinery light screen leads to.
(2) The computer control can be turned off, manual operation is used, the sun-shading range can be determined at will, and the sun-shading and cooling effects can be achieved even when the vehicle is parked.
(3) The sun-shading curtain is semitransparent, is coated with a high polymer material, blocks high-energy strong light, can allow more weak light to enter eyeballs at night, and really solves the problem that the strong light is blocked but the road surface is not blocked. The night vision device has a good night vision function, glare can be eliminated better, and vision of a driver is improved better.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An intelligent vehicle sunshade device, comprising:
the camera is used for acquiring a first light real-time image from a vehicle windshield, a second light real-time image from a vehicle door window and a passenger head image;
the sunshade curtain control unit comprises a cross rod and a stepping motor, wherein a semitransparent sunshade curtain is wound on the cross rod, and the stepping motor adjusts the shielding range of the sunshade curtain;
the embedded computer is arranged in the column A or the column B of the windshield and is connected with the camera and the sunshade curtain control unit, and the embedded computer calculates the movement direction and the distance of each sunshade curtain according to the vehicle state, the first light real-time image, the second light real-time image and the passenger head image, so that the shielding amplitude reaches 1.5 cm above the nosetips of a driver and passengers to ensure that the eyes are fully covered;
the intelligent vehicle sunshade device comprises six groups of cameras, namely a driver camera group, a copilot camera group, a second row of seat left side camera group and a second row of seat right side camera group, wherein each group of cameras comprises an outside-window camera and an inside-window camera, the outside-window camera is mounted on a vehicle door to collect light information from the outside, and the inside-window camera is mounted on a ceiling to collect passenger position information;
the embedded computer corrects the facial image of the driver which is not corrected due to the rotation of the steering wheel into a standardized correction image;
the embedded computer compares other shadow position images in the vehicle with the illumination images outside the vehicle, thereby accurately calculating whether the eyes are illuminated by light and the illumination intensity, calculating the adjustment direction and the extension or contraction length of the sun-shading curtain according to the geometric principle, and realizing the rapid shading of the light by controlling the stepping motor.
2. The intelligent vehicle sunshade device of claim 1, wherein said cross bar is built in the vehicle roof, said cross bar is installed above the front windshield and above the door glass, said cross bar is installed with gears on both sides, said gears are connected with hydraulic telescopic guide rails, the stepping motor drives said hydraulic telescopic guide rails to extend and retract to pull the sunshade to unfold or wind up while adjusting the sunshade front-back direction.
3. The intelligent vehicle shade apparatus of claim 1, wherein the camera of the driver camera group is centrally mounted on the steering wheel to accurately collect driver facial information.
4. The intelligent vehicle shade apparatus of claim 1, wherein the embedded computer includes a daytime mode that calculates shade adjustment angle and extension amplitude based on sunlight intensity, sun exposure angle, driver, and occupant head position.
5. The intelligent vehicle shade apparatus of claim 4, wherein no less than a preset minimum time interval between two adjustments of the shade in the daytime mode.
6. The intelligent vehicle shade apparatus of claim 1, wherein the embedded computer includes a night mode in which the oncoming vehicle light is analyzed to predict the impact on the driver's field of view, the shade is adjusted 0.5 seconds before the light is directed to the driver, and the shade is retracted immediately when the oncoming vehicle light is predicted to leave the driver's eye position.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710736670.3A CN107487161B (en) | 2017-08-24 | 2017-08-24 | Intelligent vehicle sunshade curtain device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710736670.3A CN107487161B (en) | 2017-08-24 | 2017-08-24 | Intelligent vehicle sunshade curtain device |
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| CN107487161A CN107487161A (en) | 2017-12-19 |
| CN107487161B true CN107487161B (en) | 2020-12-04 |
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| CN201710736670.3A Expired - Fee Related CN107487161B (en) | 2017-08-24 | 2017-08-24 | Intelligent vehicle sunshade curtain device |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10935818B2 (en) * | 2018-05-10 | 2021-03-02 | International Business Machines Corporation | Event-based, automated control of visual light transmission through vehicle window |
| CN108638810A (en) * | 2018-06-28 | 2018-10-12 | 李星辉 | A kind of front windshield of vehicle automatic sun shading device |
| CN112572110A (en) * | 2019-09-30 | 2021-03-30 | 北京车和家信息技术有限公司 | Sun shield control method and device and vehicle |
| CN111156634A (en) * | 2020-02-24 | 2020-05-15 | 北方工业大学 | Interactive photo-thermal environment control system and method |
| CN114763053A (en) * | 2021-07-24 | 2022-07-19 | 广州汽车集团股份有限公司 | Vehicle sun visor control method, system and device thereof, and storage medium |
| CN114030342A (en) * | 2021-12-01 | 2022-02-11 | 浙江亚太机电股份有限公司 | Automatic vehicle sun-shading system based on multi-sensor fusion |
| CN115593194A (en) * | 2022-09-14 | 2023-01-13 | 广州小鹏汽车科技有限公司（Cn） | Shading device adjusting method and system, vehicle and storage medium |
| CN116430786A (en) * | 2023-06-13 | 2023-07-14 | 一汽解放汽车有限公司 | Sunshade control method, device, controller, system and storage medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008114774A (en) * | 2006-11-07 | 2008-05-22 | Toyota Boshoku Corp | Sun visor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8308217B2 (en) * | 2008-09-08 | 2012-11-13 | Rameshbhai Kalabhai Patel | Automobile sun visor with electromechanical sun shade and methods of use thereof |
| KR20120072141A (en) * | 2010-12-23 | 2012-07-03 | 한국전자통신연구원 | Anti-dazzling apparatus and method for vehicle driver |
| CN102848884B (en) * | 2012-09-25 | 2016-05-25 | 浙江吉利汽车研究院有限公司杭州分公司 | Automotive sunshade panel intelligent regulating system |
| US10059175B2 (en) * | 2014-03-13 | 2018-08-28 | Ford Global Technologies, Llc | Autonomous vehicle with automatic window shade |
| CN106828046A (en) * | 2016-12-23 | 2017-06-13 | 北汽福田汽车股份有限公司 | Vehicle shade structures and vehicle |
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2017
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008114774A (en) * | 2006-11-07 | 2008-05-22 | Toyota Boshoku Corp | Sun visor |
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