CN110682793A - Laser projection device for displaying navigation information - Google Patents

Laser projection device for displaying navigation information Download PDF

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Publication number
CN110682793A
CN110682793A CN201910980280.XA CN201910980280A CN110682793A CN 110682793 A CN110682793 A CN 110682793A CN 201910980280 A CN201910980280 A CN 201910980280A CN 110682793 A CN110682793 A CN 110682793A
Authority
CN
China
Prior art keywords
circuit board
fixed support
laser
driving circuit
control circuit
Prior art date
Application number
CN201910980280.XA
Other languages
Chinese (zh)
Inventor
童海滨
谢睿臻
尤贺
魏芷玥
杨仕琪
宋孟豪
闫相佩
胡锦程
Original Assignee
河南大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 河南大学 filed Critical 河南大学
Priority to CN201910980280.XA priority Critical patent/CN110682793A/en
Publication of CN110682793A publication Critical patent/CN110682793A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00Arrangement of adaptations of instruments
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/2006Lamp housings characterised by the light source
    • G03B21/2033LED or laser light sources
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/208Homogenising, shaping of the illumination light

Abstract

The invention discloses a laser projection device for displaying navigation information, which comprises a shell and a photosensitive sensor, wherein a first fixed support, a second fixed support and a third fixed support are respectively welded in the shell, the first fixed support, the second fixed support and the third fixed support are distributed from right to left, and the outer side of the first fixed support is positioned in the shell and is internally provided with a stepping motor, a monochromatic laser, a power driving circuit board and a control circuit board. This a laser projection arrangement for navigation information shows, monochromatic laser and check bar combined action produce specific pattern laser beam, correspond specific navigation information, go straight ahead, the place ahead turns left etc. the diameter enlarges behind the beam expander, subaerial at the plantago side certain limit through the lens projection again, provide audio-visual navigation information for the driver, can realize seeing the navigation information and see the effect that the way unites two into one, the device convenient operation, it is clear to show, the interference killing feature is strong, and the security of driving has been promoted.

Description

Laser projection device for displaying navigation information

Technical Field

The invention belongs to the technical field of vehicle devices, and particularly relates to a laser projection device for displaying navigation information.

Background

The vehicle-mounted navigation device provides great convenience for traffic traveling, and the positioning and navigation functions of the vehicle-mounted navigation device enable a driver to never get lost. At present, most of navigation information of vehicles is displayed on a screen of a center console in the vehicle, and when driving on an unfamiliar road section, the driver needs to constantly transfer sight to the center console to see the navigation information, so that the attention is dispersed, and the potential safety hazard is increased to a certain extent; some vehicles project navigation information on a front windshield, so that the sight is easily obstructed, and potential safety hazards are increased. The voice broadcast function of the navigation device can facilitate the driver to receive the navigation information, but sometimes the surrounding environment is noisy, and when the noise is more, useful information and useless information are mixed up, so that the driver cannot distinguish the information easily through hearing.

Disclosure of Invention

The invention aims to: through laser projection with navigation information on the road surface, so can realize seeing navigation information and see the way and unite two into one, convenient operation, demonstration are clear, the interference killing feature is strong, and has promoted the security of driving.

The technical scheme adopted by the invention is as follows: a laser projection device for displaying navigation information comprises a shell and a photosensitive sensor, wherein a first fixed support, a second fixed support and a third fixed support are welded in the shell respectively, and the first fixed support, the second fixed support and the third fixed support are distributed from right to left;

a stepping motor, a monochromatic laser, a power driving circuit board and a control circuit board are arranged in the shell and positioned on the outer side of the first fixing support, and the stepping motor, the monochromatic laser, the power driving circuit board and the control circuit board are distributed from top to bottom;

the outer side of the second fixed support is positioned in the shell and internally provided with a beam expander;

and the outer side of the third fixed support is positioned in the shell and is internally provided with a lens.

The output end of the stepping motor rotates to be provided with a rotating shaft, and one end of the rotating shaft, which is far away from the stepping motor, is sleeved with a turntable.

The turntable is circular and is composed of a plurality of lattices, and the lattices are plastic sheets.

The lattice columns are all fan-shaped, opaque parts are arranged in the lattice columns, and colorless transparent parts are arranged in the opaque parts, so that laser beams can only pass through the opaque parts after passing through the lattice columns.

The monochromatic laser is connected with the power driving circuit board and the control circuit board through cables, so that the power driving circuit board provides power input required by the monochromatic laser and the control circuit board provides control signals for switching color light.

The stepping motor is connected with the power driving circuit board and the control circuit board through cables, so that the power driving circuit board provides power input required by the stepping motor and the control circuit board provides control signals for controlling the rotation angle.

The photosensitive sensor is connected with the power driving circuit board and the control circuit board through cables, so that the power driving circuit board provides power input required by the photosensitive sensor, and the control circuit board receives feedback signals of the photosensitive sensor.

The power driving circuit board is connected with an external power supply through a lead so as to provide required power input.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. in the invention, the monochromatic laser and the lattice bar act together to generate a laser beam with a specific pattern, the laser beam corresponds to specific navigation information, such as a front straight line, a front left turn, a front right turn, a front traffic light and the like, the diameter of the laser beam is enlarged after passing through the beam expander, and the laser beam is projected on the ground in a certain range in front of the vehicle through the lens, so that intuitive navigation information is provided for a driver, and the effect of integrating navigation information and road watching can be realized.

2. According to the invention, the device is convenient to operate, clear in display and strong in anti-interference capability, and the driving safety is improved.

Drawings

FIG. 1 is a schematic view of the apparatus of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of a turntable according to the present invention;

FIG. 4 is a schematic view of a lattice bar of the present invention;

fig. 5 is a block diagram of the system architecture of the present invention.

The labels in the figure are: 1. a housing; 2. a first fixed bracket; 3. a stepping motor; 4. a monochromatic laser; 5. a turntable; 6. lattice columns; 601. an opaque portion; 602. a colorless transparent portion; 7. a beam expander; 8. a lens; 9. a power driving circuit board; 10. a control circuit board; 11. a photosensitive sensor; 12. a second fixed bracket; 13. and a third fixing bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Embodiment one, refer to fig. 1 and 2: a laser projection device for displaying navigation information comprises a shell 1 and a photosensitive sensor 11, wherein the shell 1 is arranged at the front end of a vehicle and positioned in the middle of two vehicle lamps, the photosensitive sensor 11 is arranged at the position of the vehicle body exposed to a light environment, a first fixed support 2, a second fixed support 12 and a third fixed support 13 are respectively welded in the shell 1, the first fixed support 2, the second fixed support 12 and the third fixed support 13 are distributed from right to left, the outer side of the first fixed support 2 is positioned in the shell 1 and is provided with a stepping motor 3, a monochromatic laser 4, a power driving circuit board 9 and a control circuit board 10, the stepping motor 3, the monochromatic laser 4, the power driving circuit board 9 and the control circuit board 10 are distributed from top to bottom, the outer side of the second fixed support 12 is positioned in the shell 1 and is provided with a beam expanding lens 7, the outer side of the third fixed support 13 is positioned in the shell 1 and is provided, the monochromatic laser 4 is used for generating laser, two colors of red and green are selectable, the contrast of the green light and the ambient light is large in the daytime, the green laser is used, the contrast of the red light and the ambient light is large at night, the red laser is used, the beam expander 7 is used for expanding the laser beam with the small diameter, the lens 8 is used for projecting the laser beam on the ground, the lens 8 is a concave lens with proper curvature, the parallel laser beam passes through the concave lens and then has a diverging effect, the laser beam can be projected on the ground, the control circuit board 10 provides control signals for all devices, meanwhile, the photosensitive sensor 11 signals and external signals are received, and the external signals are navigation prompt signals generated by vehicle-mounted navigation system software.

Example two, with reference to fig. 3, 4 and 5: the output end of the stepping motor 3 is rotatably provided with a rotating shaft, one end of the rotating shaft, which is far away from the stepping motor 3, is sleeved with a rotating disc 5, the rotating disc 5 is in a circular shape, the stepping motor 3 drives the rotating shaft to rotate, so that the rotating disc 5 rotates at different angles to switch different lattices 6, the rotating disc 5 is composed of a plurality of lattices 6, the lattices 6 are made of plastic sheets, the lattices 6 are in fan shapes, each lattice 6 is provided with different patterns corresponding to different navigation instruction display pictures, opaque parts 601 are arranged in the lattices 6, colorless transparent parts 602 are arranged in the opaque parts 601, so that laser beams can only pass through the opaque parts 601 after passing through the lattices 6, the monochromatic laser 4 is connected with the power driving circuit board 9 and the control circuit board 10 through cables, so that the power driving circuit board 9 provides power input required by the monochromatic laser 4 and the control circuit board 10 provides control signals for switching color light, the stepping motor 3 is connected with the power driving circuit board 9 and the control circuit board 10 through cables, so that the power driving circuit board 9 provides power input required by the stepping motor 3 and the control circuit board 10 provides control signals for controlling a rotation angle, the photosensitive sensor 11 is connected with the power driving circuit board 9 and the control circuit board 10 through cables, so that the power driving circuit board 9 provides power input required by the photosensitive sensor 11 and the control circuit board 10 receives feedback signals of the photosensitive sensor 11, the power driving circuit board 9 is connected with an external power supply through a wire so as to provide required power input, the photosensitive sensor 11 is used for detecting ambient light, the photosensitive sensor 11 is installed at a position where a vehicle body is exposed to a light environment, signals are transmitted to the control circuit board 10 in real time, and whether the environment is day or night can be judged through setting a threshold.

When in use, the control circuit board 10 receives a navigation signal of external vehicle-mounted navigation software in real time, and combines an ambient light signal of the photosensitive sensor 11 to form a control command to act on the monochromatic laser 4 and the stepping motor 3, the monochromatic laser 4 generates red laser or green laser according to the ambient light, the stepping motor 3 rotates a certain angle according to navigation information to enable the monochromatic laser 4 to be aligned with the corresponding lattice 6, so that the laser beam is modulated to have navigation information, such as laser beams with patterns of straight ahead, left turn ahead, right turn ahead, traffic lights and the like in the front, the diameter of the laser beams is enlarged by the beam expander 7 and the divergence effect of the lens 8, and the laser beams are finally projected on the ground in a certain range in front of the vehicle in real time, the effect of combining navigation information and route viewing can be achieved, operation is convenient, display is clear, anti-interference capability is strong, and driving safety is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. A laser projection device for navigation information display, comprising a housing (1) and a light-sensitive sensor (11), characterized in that: a first fixed support (2), a second fixed support (12) and a third fixed support (13) are respectively welded in the shell (1), and the first fixed support (2), the second fixed support (12) and the third fixed support (13) are distributed from right to left;
the outer side of the first fixing support (2) is positioned in the shell (1) and is internally provided with a stepping motor (3), a monochromatic laser (4), a power driving circuit board (9) and a control circuit board (10), and the stepping motor (3), the monochromatic laser (4), the power driving circuit board (9) and the control circuit board (10) are distributed from top to bottom;
the outer side of the second fixed support (12) is positioned in the shell (1) and is internally provided with a beam expander (7);
and a lens (8) is arranged in the shell (1) and positioned at the outer side of the third fixed support (13).
2. A laser projection device for navigational information display as set forth in claim 1, wherein: the output of step motor (3) rotates and is provided with the pivot, and step motor (3) was kept away from in the pivot one pot head is equipped with carousel (5).
3. A laser projection device for navigational information display as set forth in claim 2, wherein: the rotary table (5) is circular, the rotary table (5) is composed of a plurality of lattices (6), and the lattices (6) are plastic sheets.
4. A laser projection device for navigational information display as set forth in claim 3, wherein: the lattices (6) are fan-shaped, the non-transparent parts (601) are arranged in the lattices (6), and the non-transparent parts (602) are arranged in the non-transparent parts (601), so that the laser beam can only pass through the non-transparent parts (601) after passing through the lattices (6).
5. A laser projection device for navigational information display as set forth in claim 1, wherein: the monochromatic laser (4) is connected with the power driving circuit board (9) and the control circuit board (10) through cables, so that the power driving circuit board (9) provides power input required by the monochromatic laser (4) and the control circuit board (10) provides control signals for switching color light.
6. A laser projection device for navigational information display as set forth in claim 1, wherein: the stepping motor (3) is connected with the power driving circuit board (9) and the control circuit board (10) through cables, so that the power driving circuit board (9) provides power input required by the stepping motor (3) and the control circuit board (10) provides control signals for controlling the rotation angle.
7. A laser projection device for navigational information display as set forth in claim 1, wherein: the photosensitive sensor (11) is connected with the power driving circuit board (9) and the control circuit board (10) through cables, so that the power driving circuit board (9) provides power input required by the photosensitive sensor (11) and the control circuit board (10) receives feedback signals of the photosensitive sensor (11).
8. A laser projection device for navigational information display as set forth in claim 1, wherein: the power driving circuit board (9) is connected with an external power supply through a lead so as to provide required power input.
CN201910980280.XA 2019-10-15 2019-10-15 Laser projection device for displaying navigation information CN110682793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910980280.XA CN110682793A (en) 2019-10-15 2019-10-15 Laser projection device for displaying navigation information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910980280.XA CN110682793A (en) 2019-10-15 2019-10-15 Laser projection device for displaying navigation information

Publications (1)

Publication Number Publication Date
CN110682793A true CN110682793A (en) 2020-01-14

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ID=69112826

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Application Number Title Priority Date Filing Date
CN201910980280.XA CN110682793A (en) 2019-10-15 2019-10-15 Laser projection device for displaying navigation information

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10034381C2 (en) * 2000-07-14 2002-05-29 Audi Ag Information display device for vehicles
KR20100002027A (en) * 2008-06-26 2010-01-06 문재성 Navigator using lighting apparatus for vehicle
US20130261891A1 (en) * 2012-03-27 2013-10-03 Korea Institute Of Science And Technology Method and apparatus for projecting navigation information onto front of vehicle
CN104508430A (en) * 2012-08-10 2015-04-08 爱信艾达株式会社 Intersection guidance system, method and program
CN107406031A (en) * 2015-04-10 2017-11-28 日立麦克赛尔株式会社 Image projection apparatus
DE102016122856A1 (en) * 2016-11-28 2018-05-30 HELLA GmbH & Co. KGaA Illumination device for illuminating a vehicle environment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10034381C2 (en) * 2000-07-14 2002-05-29 Audi Ag Information display device for vehicles
KR20100002027A (en) * 2008-06-26 2010-01-06 문재성 Navigator using lighting apparatus for vehicle
US20130261891A1 (en) * 2012-03-27 2013-10-03 Korea Institute Of Science And Technology Method and apparatus for projecting navigation information onto front of vehicle
CN104508430A (en) * 2012-08-10 2015-04-08 爱信艾达株式会社 Intersection guidance system, method and program
CN107406031A (en) * 2015-04-10 2017-11-28 日立麦克赛尔株式会社 Image projection apparatus
DE102016122856A1 (en) * 2016-11-28 2018-05-30 HELLA GmbH & Co. KGaA Illumination device for illuminating a vehicle environment

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