KR20140074103A - Sun block device in vehicle and method thereof - Google Patents

Sun block device in vehicle and method thereof Download PDF

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Publication number
KR20140074103A
KR20140074103A KR1020120142323A KR20120142323A KR20140074103A KR 20140074103 A KR20140074103 A KR 20140074103A KR 1020120142323 A KR1020120142323 A KR 1020120142323A KR 20120142323 A KR20120142323 A KR 20120142323A KR 20140074103 A KR20140074103 A KR 20140074103A
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KR
South Korea
Prior art keywords
vehicle
sun
sunlight
driver
point
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Application number
KR1020120142323A
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Korean (ko)
Inventor
이승환
Original Assignee
현대자동차주식회사
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Application filed by 현대자동차주식회사 filed Critical 현대자동차주식회사
Priority to KR1020120142323A priority Critical patent/KR20140074103A/en
Publication of KR20140074103A publication Critical patent/KR20140074103A/en

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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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors
    • B60Y2400/301—Sensors for position or displacement
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B2027/0192—Supplementary details
    • G02B2027/0196—Supplementary details having transparent supporting structure for display mounting, e.g. to a window or a windshield

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Navigation (AREA)

Abstract

The solar light interception device includes a DSM unit for detecting a driver's posture on a vehicle, a GPS unit for receiving a GPS signal and calculating a position of the vehicle's radar position, a position of the sun using the radar position and time information of the vehicle, An altitude sensor for estimating an altitude at which the vehicle is located, an altitude sensor for estimating an altitude at which the vehicle is located, a horizontal sensor for measuring the altitude of the vehicle, A sunlight point calculation unit for calculating the position of a sunlight point through which sunlight passes through the windshield of the vehicle based on the horizontal state, and a display unit for displaying a shade image on the sunlight point.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sunlight blocking device,

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to a sunlight cutoff apparatus and method for a vehicle, and more particularly, to a sunlight cutoff apparatus and method for a vehicle that cuts off sunlight using a head up display .

Generally, window tinting is performed by attaching a certain concentration of tinting film to the left and right side glass and rear glass of the vehicle. The current vehicle tinting regulations regulate the visible light transmittance of windshields to be 70% or more for passenger cars and passenger cars. Therefore, it is practically impossible to attach a tinting film to the front glass of the vehicle. The windshield of the currently produced vehicle is only about the UV shielding within the regulation of the vehicle tinting law.

The most common case where the driver is having difficulty in securing visibility while driving is when the sun is shining directly on the driver's eyes when the sun goes up or down. When the sun is shining directly on the driver's eyes, the driver will feel blurred and uncomfortable due to sunlight that is much brighter than the accustomed brightness and is in a situation where it is difficult to see ahead.

The driver's seat and front passenger's seat are equipped with a sun visor to block sunlight coming through the windshield. The driver uses the sun visor to block the sunlight when the sun is shining in the snow while driving. There is a problem in that sun visors generated from the sun at low altitudes can not be effectively blocked even if sun visors are shielded through adjustment of the sun visor every time the sun visor is used.

An object of the present invention is to provide a solar-light interception device for a vehicle that can block sunlight shining through a driver's eye using a head-up display or a front display of a vehicle, and a method thereof.

A solar light blocking device according to an embodiment of the present invention includes a DSM unit for detecting a driver's posture on a vehicle, a GPS unit for receiving a GPS signal to calculate a position of the vehicle's radial position, An altitude sensor for estimating an altitude at which the vehicle is located, a horizontal sensor for measuring a horizontal state of the vehicle, a driver's posture, A sunlight point calculation unit for calculating a position of a sunlight point through which the sunlight passes through the windshield of the vehicle based on the sun position, the elevation of the sea, and the horizontal state, and a display .

The display unit may be a head-up display that reflects an image displayed on the screen to the entire windshield of the vehicle.

The display unit may be a transparent display mounted on the entire front glass of the vehicle.

The display unit may display the shade image in a circle having a size corresponding to the apparent diameter of the sun.

According to another aspect of the present invention, there is provided a solar light blocking method including detecting a driver's posture including a position of a driver's eye on a vehicle, detecting a direction state of the vehicle using a traveling direction and a horizontal state of the vehicle Wherein the position of the sun is calculated using the position and the time information of the vehicle, and the position of the sun on the basis of the driver's posture, the orientation of the vehicle, and the position of the sun, The method comprising the steps of: determining whether the sunlight is reflected on the driver's eye; when the sunlight is reflected on the driver's eye through the windshield of the vehicle, Calculating a position of a sunlight point as a point passing through the glass, and displaying a shade image at the sunlight point It includes.

Wherein the step of detecting the directional state of the vehicle comprises the steps of calculating a value at which the position of the vehicle's radar position is changed with time to estimate the traveling direction of the vehicle's front face, May be measured.

Wherein the position of the sun is calculated includes calculating the first position of the sun relative to the ground surface at an altitude of 0 m using the radar position and time information of the vehicle, To a second position relative to an elevation of the location of the location.

The step of correcting the first position of the sun to the second position with respect to the elevation of the elevation of the point where the vehicle is located comprises the step of extracting the elevation of the elevation of the point where the vehicle is located from the terrain information including the elevation according to the elevation, . ≪ / RTI >

The step of displaying the shade image at the solar point may include displaying the shade image at the solar point using a head up display reflecting the image displayed on the screen to the entire windshield of the vehicle have.

The step of displaying the shade image on the solar light point may include displaying the shade image on the solar light point using a transparent display mounted on the entire front glass of the vehicle.

The step of displaying the shade image at the solar point may include the step of displaying the shade image in a circle having a size corresponding to the apparent diameter of the sun.

It is possible to effectively block the sunlight shining by the driver's eyes while minimizing the blindness of the driver.

FIG. 1 is a block diagram briefly showing a sunlight cutoff apparatus for a vehicle according to an embodiment of the present invention.
FIG. 2 shows an example in which a shade image is displayed corresponding to a sunlight point by a sunlight blocking device of a vehicle according to an embodiment of the present invention.
3 is a flowchart illustrating a method for blocking sunlight of a vehicle according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art to which the present invention pertains. The present invention may be embodied in many different forms and is not limited to the embodiments described herein.

In addition, in the various embodiments, components having the same configuration are represented by the same reference symbols in the first embodiment. In the other embodiments, only components different from those in the first embodiment will be described .

In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

Throughout the specification, when a part is referred to as being "connected" to another part, it includes not only "directly connected" but also "electrically connected" with another part in between . Also, when an element is referred to as "comprising ", it means that it can include other elements as well, without departing from the other elements unless specifically stated otherwise.

FIG. 1 is a block diagram briefly showing a sunlight cutoff apparatus for a vehicle according to an embodiment of the present invention.

1, the solar-light-blocking device 100 includes a driver's status measuring unit 110, a global positioning system (GPS) unit 120, a sun position calculating unit 130, an altitude sensor 140, A horizontal sensor 150, a solar light point calculator 160, and a display unit 170.

The DSM unit 110 detects the driver's posture such as the driver's head, eye position, and gaze direction of the driver. The DSM unit 110 may be provided with a device for recognizing a user's face using a camera. An apparatus and method for recognizing a user's face by using a camera are well known and will not be described in detail.

The GPS unit 120 receives the GPS signal of the satellite and calculates the position of the vehicle's radar position. The GPS unit 120 periodically receives GPS signals and periodically calculates the position of the vehicle's radar position. The GPS unit 120 may be a separately provided GPS device or a navigation device. The GPS signal may include time information as well as radius information, and the GPS unit 120 may receive the GPS signal to acquire time information as well as the position of the radar position.

The sun position calculation unit 130 calculates the position of the sun relative to the surface of the earth at an altitude of 0 m using the position and time information of the radar position of the vehicle. The sun position calculation unit 130 may receive the position and time information of the vehicle's radar position from the GPS unit 120. [ The method of calculating the position of the sun using the latitude and longitude position and time information can be performed by a method of tracking a known constellation or a position of a planet, and such a method is known, and a detailed description thereof will be omitted.

The altitude sensor 140 can directly measure altitude at the location where the vehicle is located or estimate the altitude at which the vehicle is located. The altitude of the point where the vehicle is located can be estimated using the position and topographic information of the vehicle. The terrain information includes altitude information according to the position of the radar position, and altitude information corresponding to the radar position of the vehicle is extracted from the terrain information. That is, the altitude sensor 140 stores the terrain information including the altitude corresponding to the position of the latitude and longitude, receives the latitude and longitude position of the vehicle from the GPS unit 120, It is possible to estimate the elevation of the vehicle by extracting information.

The horizontal sensor 150 measures the horizontal state of the vehicle. That is, the horizontal sensor 150 measures the degree of tilting of the vehicle itself as the vehicle is positioned on a flat, uphill, downhill, or the like. The horizontal sensor 150 can measure the horizontal inclination of the vehicle by measuring the horizontal state of the vehicle in the front-back direction and the horizontal state of the vehicle in the lateral direction.

The solar light point calculating unit 160 periodically receives position information of the vehicle's radar position from the GPS unit 120 and calculates a value at which the position of the radar position of the vehicle changes with time, It is possible to estimate the traveling direction of the front surface. The solar light point calculation unit 160 can finally detect the direction of the vehicle using the traveling direction of the vehicle and the horizontal state information of the vehicle. The solar point calculation unit 160 calculates and calculates the first position of the sun relative to the ground surface at an altitude of 0 m to the second position of the sun relative to the altitude at which the vehicle is located, using the altitude information of the vehicle. The solar light point calculation unit 160 calculates a solar light path that directs the sunlight to the driver's eye based on the driver's posture information, the direction state information of the vehicle, and the second position of the sun, And calculates the position of the sunlight point SP which is a point passing through the glass.

The display unit 170 displays a dark shade image at the sun point SP. The apparent diameter of the sun is about 32 minutes. In response to the apparent diameter of the sun, the shade image can be displayed in a circle of several centimeters. The display unit 170 may be a head up display or a front display. The head-up display reflects the image displayed on the screen by the reflector to the vehicle's front glass and shows it to the driver. The display unit 170 may be a head-up display that reflects the image displayed on the screen to the entire windshield of the vehicle. The front display is a transparent display and can be mounted on the entire windshield of the vehicle.

FIG. 2 shows an example in which a shade image is displayed corresponding to a sunlight point by a sunlight blocking device of a vehicle according to an embodiment of the present invention.

Referring to FIGS. 1 and 2, sunlight is incident through the windshield of the driver. At this time, the solar cut-off device 100 calculates the sun point SP and displays the shade image corresponding to the sun point SP. As the shade image is displayed, sunlight is prevented from directly entering the driver's eyes.

The DSM unit 110, the GPS unit 120, the sun position calculation unit 130, the altitude sensor 140, and the horizontal sensor 150 collect data continuously or periodically while the vehicle is in operation, (160). The solar light point calculating unit 160 continuously or periodically calculates the position of the solar light spot SP and transmits the calculated position to the display unit 170. [ The display unit 170 displays the shade image at the position of the received solar point SP and keeps the shade image displayed until the position of the next sun point SP is transmitted. The position of the sunlight point SP on the windshield of the vehicle can be changed from time to time during the operation of the vehicle. The position of the sunlight point SP is continuously or periodically calculated as described above, By tracking the position, the shade image can be adaptively displayed corresponding to the solar point SP whose position is changed from time to time.

While the sun shielding device 100 has been described as displaying a shade image on the windshield of the vehicle, the solar shading device 100 can be applied not only to the front glass of a vehicle but also to a side glass or a rear glass . In addition, the solar cut-off device 100 may block sunlight from entering through the side or rear glass depending on the position of the sun, thereby enhancing the tanning effect of the vehicle.

3 is a flowchart illustrating a method for blocking sunlight of a vehicle according to an embodiment of the present invention.

Referring to FIG. 3, a driver's posture such as a driver's head, eye position, and gaze direction is detected (S110). The driver's posture can be detected using a face recognition device using a camera or the like.

The directional state of the vehicle is detected (S120). The directional state of the vehicle can be detected using the traveling direction and horizontal state of the vehicle. The traveling direction of the vehicle can be estimated by calculating a value at which the radar position of the vehicle, which is periodically calculated using the GPS signal, changes with time. The horizontal state of the vehicle can be measured using a horizontal sensor.

The sun position is calculated (S130). The first position of the sun relative to the ground surface at an altitude of 0 m is calculated using the position and time information of the sun's radar position of the vehicle. The first position of the sun is corrected to the second position of the sun relative to the elevation of the sea at the point where the vehicle is located. The altitude of the point where the vehicle is located can be estimated using the position and topographic information of the vehicle. The second position of the corrected sun becomes the sun position to be calculated.

(S140), it is determined whether or not the sunlight is directly applied to the eyes of the driver based on the driver's posture information, the direction information of the vehicle, and the position of the sun. That is, it is judged whether or not the sunlight is directly transmitted to the eyes of the driver through the windshield.

When the sunlight directly shines on the eyes of the driver, the position of the sunlight point SP is calculated (S150). A sunlight path through which the sunlight is directly reflected by the eyes of the driver is calculated and the position of the sunlight point SP at which the sunlight path passes through the windshield of the vehicle is calculated.

A dark shade image is displayed on the sunlight point SP (S160). The shade image can be displayed in a circle of several centimeters using a head-up display or a front display.

During the operation of the vehicle, the step S160 of displaying the shade image from the step S110 in which the driver's posture is detected is continuously or repeatedly performed during the running of the vehicle, so that the shade image SP corresponding to the sun point SP, Can be displayed adaptively.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are illustrative and explanatory only and are intended to be illustrative of the invention and are not to be construed as limiting the scope of the invention as defined by the appended claims. It is not. Therefore, those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100: Sun blocker
110: DSM department
120: GPS unit
130: sun position calculating section
140: altitude sensor
150: Horizontal sensor
160: sunlight point calculation unit
170:

Claims (11)

A DSM unit for detecting a driver's posture onboard the vehicle;
A GPS unit for receiving a GPS signal and calculating a position of the vehicle's radial position;
A sun position calculation unit for calculating the position of the sun using the position and time information of the radar position of the vehicle;
An altitude sensor for estimating an altitude at which the vehicle is located;
A horizontal sensor for measuring a horizontal state of the vehicle;
A sunlight point calculating unit for calculating a position of a sunlight point through which the sunlight passes through the windshield of the vehicle based on the driver's posture, the radar position, the sun position, the elevation of the sea, and the horizontal state; And
And a display unit for displaying a shade image at the sunlight point. The method according to claim 1,
Wherein the display unit is a head-up display that reflects an image displayed on a screen to the entire front glass of the vehicle. The method according to claim 1,
Wherein the display unit is a transparent display mounted on the entire front glass of the vehicle. The method according to claim 1,
Wherein the display unit displays the shade image in a circular shape having a size corresponding to the apparent diameter of the sun. Detecting a driver's posture including a position of a driver's eye on a vehicle;
Detecting a directional state of the vehicle using a traveling direction and a horizontal state of the vehicle;
Calculating a position of the sun using the radar position and time information of the vehicle;
Determining whether sunlight is present on the driver's eye through the windshield of the vehicle based on the driver's posture, the directional state of the vehicle, and the position of the sun;
When the sunlight is reflected on the eyes of the driver through the windshield of the vehicle, the position of the sunlight point at which the sunlight path of the sunlight passes through the windshield of the vehicle is calculated ; And
And displaying a shade image on the solar point. 6. The method of claim 5,
Wherein the step of detecting a direction state of the vehicle comprises:
Calculating a value at which a position of the vehicle's radar diameter is changed with time, thereby estimating the traveling direction of the front of the vehicle; And
And measuring the horizontal state using a horizontal sensor. 6. The method of claim 5,
Wherein the position of the sun is calculated,
Calculating a first position of the sun relative to an earth surface at an altitude of 0 m using the radar position and time information of the vehicle; And
Wherein the first position of the sun is corrected to a second position relative to an altitude at which the vehicle is located. 8. The method of claim 7,
Wherein the first position of the aspect is corrected to a second position relative to an altitude at which the vehicle is located,
And extracting elevation altitudes at points where the vehicle is located from terrain information including altitudes along the radar location. 6. The method of claim 5,
Wherein the step of displaying the shade image on the solar light point comprises:
And displaying the shade image on the sunlight point using a head-up display that reflects an image displayed on the screen to the entire windshield of the vehicle. 6. The method of claim 5,
Wherein the step of displaying the shade image on the solar light point comprises:
And displaying the shade image on the solar light point using a transparent display mounted on the entire front glass of the vehicle. 6. The method of claim 5,
Wherein the step of displaying the shade image on the solar light point comprises:
Wherein the shade image is displayed in a circle having a size corresponding to the apparent diameter of the sun.
KR1020120142323A 2012-12-07 2012-12-07 Sun block device in vehicle and method thereof KR20140074103A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120142323A KR20140074103A (en) 2012-12-07 2012-12-07 Sun block device in vehicle and method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120142323A KR20140074103A (en) 2012-12-07 2012-12-07 Sun block device in vehicle and method thereof

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KR20140074103A true KR20140074103A (en) 2014-06-17

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