CN111251977A - Projection type high-definition pixel headlight - Google Patents

Projection type high-definition pixel headlight Download PDF

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Publication number
CN111251977A
CN111251977A CN202010171640.4A CN202010171640A CN111251977A CN 111251977 A CN111251977 A CN 111251977A CN 202010171640 A CN202010171640 A CN 202010171640A CN 111251977 A CN111251977 A CN 111251977A
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CN
China
Prior art keywords
vehicle
projection
control circuit
circuit module
information
Prior art date
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Pending
Application number
CN202010171640.4A
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Chinese (zh)
Inventor
王猛
陈雷
李大航
刘奔
李运飞
姜维
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAIC Volkswagen Automotive Co Ltd
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SAIC Volkswagen Automotive Co Ltd
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Publication date
Application filed by SAIC Volkswagen Automotive Co Ltd filed Critical SAIC Volkswagen Automotive Co Ltd
Priority to CN202010171640.4A priority Critical patent/CN111251977A/en
Publication of CN111251977A publication Critical patent/CN111251977A/en
Pending legal-status Critical Current

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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
    • B60Q1/04—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 the devices being headlights
    • 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
    • B60Q1/04—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 the devices being headlights
    • B60Q1/06—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 the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/08—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 the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
    • 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
    • B60Q1/04—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 the devices being headlights
    • B60Q1/06—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 the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/08—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 the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
    • B60Q1/085—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 the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers
    • 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
    • B60Q1/04—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 the devices being headlights
    • B60Q1/06—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 the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/08—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 the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
    • B60Q1/12—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 the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to steering position
    • 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
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • 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
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/32—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating vehicle sides, e.g. clearance lights
    • 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
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
    • B60Q1/346—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction with automatic actuation
    • 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
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/48—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for parking purposes
    • B60Q1/486—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for parking purposes for indicating that vehicle is in a parked state
    • 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
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/48—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for parking purposes
    • B60Q1/488—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for parking purposes for indicating intention to park
    • 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
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/52—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating emergencies
    • 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
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/525—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking automatically indicating risk of collision between vehicles in traffic or with pedestrians, e.g. after risk assessment using the vehicle sensor data
    • 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
    • B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
    • B60Q2400/50—Projected symbol or information, e.g. onto the road or car body
    • 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 relates to the technical field of automobile light, in particular to a projection type high-definition pixel headlamp. The invention provides a projection type high-definition pixel headlamp, which comprises a projection headlamp module and a control circuit module, wherein the projection headlamp module comprises: and the control circuit module enters a corresponding working mode according to the received sensor information and the automobile state information and controls the projection headlamp module to project a corresponding identification symbol to the ground in front of the automobile. According to the projection type high-definition pixel headlamp provided by the invention, the identification symbols corresponding to road conditions are projected according to different working modes, so that relevant information or warning is provided for drivers, other vehicles and pedestrians, a man-machine interaction lighting effect is achieved, the scientific and technological feeling of automobiles is greatly improved, and the driving safety is improved.

Description

Projection type high-definition pixel headlight
Technical Field
The invention relates to the technical field of automobile light, in particular to a projection type high-definition pixel headlamp.
Background
The automobile headlamp not only has the function of illumination, but also plays a decisive role in the modeling of the automobile and has the function of illuminating the road surface, and along with the development of the automobile industry, the requirements of consumers on the modeling, the function and the technological sense of the automobile headlamp are higher and higher.
Fig. 1 is a schematic diagram showing a structure of a low beam module of a conventional headlamp, fig. 2 is a schematic diagram showing an operation principle of the low beam module of the conventional headlamp, and a specific structure of the conventional low beam module of the automotive headlamp is shown in fig. 1 and 2, light emitted from an LED light source 13 is reflected by a reflector 12, and is refracted by a lens 11 and then is emitted. Fig. 3 is a road surface effect diagram showing the lighting mode of the low beam module of the headlamp in the prior art, and the specific road surface lighting effect of the ordinary low beam module of the conventional automotive headlamp is shown in fig. 3, which is single and not aesthetic.
At present, the automobile headlamp in the prior art only has a lighting effect and is not applied to the human-computer interaction, and meanwhile, the lighting effect of the road surface is single. As a functional part, the function of the automobile headlamp is really important, but the function is single, the user experience value is not high, and the science and technology sense cannot be provided for consumers.
Disclosure of Invention
The invention aims to provide a projection type high-definition pixel headlamp, which solves the problem that the headlamp in the prior art is simple in function and lacks of human-computer interaction.
In order to achieve the above object, the present invention provides a projection high definition pixel headlight, which comprises a projection headlight module and a control circuit module:
and the control circuit module enters a corresponding working mode according to the received sensor information and the automobile state information and controls the projection headlamp module to project a corresponding identification symbol to the ground in front of the automobile.
In one embodiment, the projection headlight module includes a light source, a digital light processing circuit board, a digital micromirror device processing chip, and a projection lens:
the digital micromirror device processing chip consists of tiny lenses;
the digital optical processing circuit board controls the lens of the digital micromirror device processing chip according to the received instruction to form the reflection projection of different images;
the light emitted by the light source is projected to the digital micro-mirror device processing chip and is reflected by the digital micro-mirror device processing chip to be projected to the projection lens to form screen imaging of the identification symbol.
In an embodiment, the control circuit module comprises a vehicle control unit, a light control unit and a vehicle light control unit:
the whole vehicle control unit receives the sensor information and the vehicle state information, judges the working state of the vehicle, preprocesses the data and sends the data to the light control unit;
the light control unit receives the information of the whole vehicle control unit, judges that the whole vehicle control unit enters a corresponding working mode, calculates and processes to obtain a vehicle light control instruction corresponding to the vehicle light effect, and sends the vehicle light control instruction to the vehicle light control unit;
and the car lamp control unit receives and analyzes the car lamp control instruction of the car lamp control unit, and drives and controls the projection headlamp module to perform corresponding projection.
In one embodiment, the control circuit module detects the key unlocking information and enters a welcome mode, and the control circuit module controls the projection headlamp module to project a corresponding welcome symbol to the ground in front of the automobile.
In one embodiment, the control circuit module detects the information of the automatic driving mode, and enters the automatic driving mode, and the control circuit module controls the projection headlight module to project the corresponding vehicle width and the vehicle forward direction symbol to the ground in front of the vehicle.
In one embodiment, the control circuit module detects that the vehicle is in an idle state, detects that a pedestrian needs to cross the road in front, and enters a pedestrian courtesy mode, and the control circuit module controls the projection headlight module to project a corresponding zebra crossing symbol to the ground in front of the automobile.
In one embodiment, the control circuit module is in a pedestrian courtesy mode, and when the control circuit module detects that a passing vehicle passes through a lane beside the vehicle, the control circuit module controls the last zebra crossing of the zebra crossing symbols projected by the projection headlamp module to flicker.
In one embodiment, the control circuit module detects that there is a vehicle in front of the vehicle traveling in the same direction when the vehicle is traveling normally, and enters a vehicle distance warning mode, and the control circuit module controls the projection headlight module to project a corresponding vehicle safety distance warning line symbol to the ground in front of the vehicle.
In one embodiment, when the control circuit module detects the steering information and the turning angle information when the automobile normally runs, and the speed of the automobile reaches the system set speed range, the lane change reminding mode is entered, and the control circuit module controls the projection headlight module to project the corresponding driving path and direction symbol of the lane change of the automobile to the ground in front of the automobile.
In one embodiment, the control circuit module enters a danger warning mode when detecting that the vehicle is in a failure and in a stop state, and the control circuit module controls the projection headlamp module to project a corresponding triangular warning symbol to the ground in front of the vehicle.
In one embodiment, when the control circuit module detects that the road surface condition is complex or the warning sign related to the front road is on the road side indicator, the control circuit module enters a road condition reminding mode and controls the projection headlamp module to project the corresponding road condition warning sign to the ground in front of the automobile.
In one embodiment, the control circuit module enters an automatic parking mode when detecting that the automobile is automatically parked, and the control circuit module controls the projection headlight module to project the corresponding identifier for automatic parking and the symbol of the vehicle traveling direction to the ground in front of the automobile.
In an embodiment, when the control circuit module detects the key locking information, the control circuit module enters a locking prompt mode, and the control circuit module controls the projection headlamp module to project a corresponding shutdown symbol to the ground in front of the automobile.
In one embodiment, the control circuit module enters a vehicle state information display mode when detecting the key home key information, and controls the projection headlight module to project the corresponding vehicle state information symbol to the ground in front of the vehicle.
According to the projection type high-definition pixel headlamp provided by the invention, the identification symbols corresponding to road conditions are projected according to different working modes, so that relevant information or warning is provided for drivers, other vehicles and pedestrians, a man-machine interaction lighting effect is achieved, the scientific and technological feeling of automobiles is greatly improved, and the driving safety is improved.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings in which like reference numerals denote like features throughout the several views, wherein:
FIG. 1 is a schematic diagram of a low beam module of a headlamp in the prior art;
FIG. 2 is a schematic diagram of the operation of a low beam module of a headlamp of the prior art;
FIG. 3 is a road surface effect diagram illustrating a low beam module illumination mode of a prior art headlamp;
FIG. 4 is a schematic diagram of a projection headlamp module of a projection high definition pixel lamp according to an embodiment of the present invention;
FIG. 5 is a block diagram of a control system of a projection high definition pixel headlight according to an embodiment of the present invention;
FIG. 6 is a block diagram of a control system for welcome mode of a projector high definition pixel headlight according to an embodiment of the present invention;
FIG. 7 is a road effect diagram illustrating a welcome model of a projective high-definition pixel headlight according to an embodiment of the invention;
FIG. 8 discloses a block diagram of a control system for an automatic driving mode of a projective high-definition pixel headlight according to an embodiment of the present invention;
FIG. 9 is a road surface effect diagram of an automatic driving mode of a projective high-definition pixel headlight according to an embodiment of the present invention;
FIG. 10 is a block diagram of a control system for a courtesy mode of a projective high-definition pixel headlight according to an embodiment of the present invention;
FIG. 11 is a road surface effect diagram illustrating a pedestrian courtesy mode of the projective high-definition pixel headlight according to an embodiment of the invention;
FIG. 12 is a block diagram of a control system for a pitch warning mode of a projective high definition pixel headlight according to an embodiment of the present invention;
FIG. 13 is a road surface effect diagram illustrating a pitch warning mode of a projective high definition pixel headlight according to an embodiment of the present invention;
FIG. 14 is a block diagram of a control system for a lane change reminding mode of a projective high-definition pixel headlight according to an embodiment of the present invention;
FIG. 15 is a road surface effect diagram illustrating a lane change reminding mode of a projective high-definition pixel headlight according to an embodiment of the invention;
FIG. 16 is a block diagram of a system for controlling a hazard warning mode of a projective high definition pixel headlight according to an embodiment of the present invention;
FIG. 17 is a road surface effect diagram illustrating a hazard warning mode of a projective high definition pixel headlight according to an embodiment of the present invention;
FIG. 18 is a block diagram of a control system for a road condition reminding mode of a projection high-definition pixel headlight according to an embodiment of the invention;
FIG. 19 is a road effect diagram of a road condition reminding mode of the projection high definition pixel headlight according to an embodiment of the invention;
FIG. 20 is a block diagram of a control system for an automatic parking mode of a projective high definition pixel headlight according to an embodiment of the present invention;
FIG. 21 is a road effect diagram illustrating an auto park mode of a projective high definition pixel headlight according to an embodiment of the present invention;
FIG. 22 is a block diagram of a control system for a lock prompt mode of a projective high definition pixel headlight according to an embodiment of the present invention;
FIG. 23 is a road surface effect diagram illustrating a locking prompt mode of a projective high definition pixel headlight according to an embodiment of the present invention;
FIG. 24 is a block diagram of a control system for a vehicle status information display mode of a projective high-definition pixel headlight according to an embodiment of the present invention;
fig. 25 is a road surface effect diagram of a vehicle status information display mode of a projective high-definition pixel headlight according to an embodiment of the invention.
The meanings of the reference symbols in the figures are as follows:
11 a lens;
12 a mirror;
13LED light sources;
100 projection headlight module;
101 light source;
102 a digital light processing circuit board;
103 digital micro-mirror device processing chip;
104 a projection lens;
105, imaging a screen;
200 sensor groups;
201 rainfall light sensor;
202, a vehicle height sensor;
203 headlight switch;
204 a steering wheel;
205 a steering column;
206 vehicle speed;
207 a key;
208 a wiper;
209 a radar detector;
210 a multifunctional camera;
211 an automatic parking switch;
212Home switch
300 a whole vehicle control unit;
400 a light control unit;
500 a vehicle lamp control unit;
501 a signal receiver;
502 a signal processing module;
503 a central processing unit;
504 an LED driving unit;
505 high frequency switch sets;
506 a fault handling module;
507 feedback module.
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.
The invention relates to a realization mode of a projection type high-definition pixel full LED headlamp, which is suitable for a headlamp with an LED light source, overcomes the defects of a common dipped beam module in the prior art, and can realize the lighting effect of human-computer interaction.
The invention provides a novel projection type high-definition pixel full-LED headlamp, which comprises a projection headlamp module and a control circuit module, wherein the projection headlamp module comprises:
the control circuit module receives the sensor information and the automobile state information, so as to judge the current working mode and send a control instruction to the projection headlamp module;
and the projection headlight module receives the control instruction of the control circuit module and projects the identification symbol corresponding to the working mode to the ground in front of the automobile.
Furthermore, the projection type high-definition pixel full-LED headlamp further comprises a common low beam module, and the common low beam module is responsible for normal road lighting work.
Fig. 4 is a schematic diagram of a projection headlight module of a projection high definition pixel headlight according to an embodiment of the invention, and as shown in fig. 4, the projection headlight module 100 of the invention mainly includes:
a light source 101, a digital light processing circuit board 102, a digital micro-mirror device processing chip 103 and a projection lens 104.
The light source 101, which is an LED light source, emits light.
A Digital Light Processing (DLP) board 102, which uses optical semiconductors to generate Digital multiple Light source displays, in conjunction with a Digital micromirror device processing chip, can project a full Digital image onto a screen or other surface.
A Digital Micromirror Device (DMD) processing chip 103 connected to the Digital light processing circuit board 102, wherein the DMD is a semiconductor chip on which a matrix composed of micromirrors (precise, micro mirrors) is disposed, and each Micromirror controls a pixel in a projection image. The micro-mirrors can change angles rapidly under the control of digital driving information, and once corresponding information is received, the micro-mirrors tilt, so that the reflection direction of incident light changes.
In one embodiment, the DLP circuit board and the DMD processing chip are implemented as a Texas instruments DLP automotive chip.
The operation principle of the projection headlight module 100 is as follows:
light emitted by the light source 101 is projected to the digital micro-mirror device processing chip 103, the digital micro-mirror device processing chip 103 is composed of a plurality of tiny lenses, the digital light processing circuit board 102 outputs digital driving information to act on the digital micro-mirror device processing chip 103, and incident light is reflected by the tiny lenses of the digital micro-mirror device processing chip 103 and projected to the projection lens 104, so that a screen image 105 is formed finally.
Fig. 5 is a block diagram of a control system of a projection-type high-definition pixel headlight according to an embodiment of the invention, and the control circuit module shown in fig. 5 includes a vehicle control unit 300, a light control unit 400, and a vehicle light control unit 500.
The vehicle control unit 300 receives the sensor information and the vehicle state information, pre-processes the required information, and transmits the pre-processed information to the light control unit 400.
The vehicle control unit 300 senses changes in the surrounding environment and conditions by receiving sensor information.
The type of sensor information required to be received differs according to the operation mode.
In the embodiment shown in fig. 5, the sensor information includes information related to the rainfall light sensor 201, the vehicle height sensor 202, the radar detector 209, and the multifunctional camera 210 transmitted in real time.
The vehicle control unit 300 collects vehicle state information in real time, acquires information on the vehicle, and senses a demand sent by a user.
According to different working modes, the types of the information of the automobile states required to be collected are different.
In the embodiment shown in fig. 5, the car status information includes status information corresponding to the headlight switch 203, the steering wheel 204, the steering column 205, the vehicle speed 206, the key 207, the wiper 208, the automatic parking switch 211, and the key Home switch 212, and the like.
The vehicle control unit 300 collects the vehicle state information and transmits the vehicle state information to the light control unit 400.
In some embodiments, the information includes gear information of the headlight switch 203, steering angle information of the steering wheel 204, gear information of the steering column switch 205, vehicle speed 206 information, gear information of the key 207, status information of the wiper 208, and the like.
The vehicle control unit 300 preprocesses the collected sensor information, converts the corresponding information, and sends the information to the light control unit 400.
In some embodiments, the information includes a rainfall light sensor 201, a full vehicle height sensor 202, a radar detector 209, a multifunctional camera 210, and the like.
Taking the multifunctional camera 210 as an example, after the vehicle control unit 300 receives the information of the multifunctional camera 210, the received image information is preprocessed and converted into specific parameter information, such as the attribute, size, distance, angle, etc. of the obstacle detected by the camera, and the specific parameter information is sent to the light control unit 400.
After receiving the information of the vehicle control unit 300, the light control unit 400 determines the current working mode, performs calculation processing on the received information to obtain a corresponding light control instruction corresponding to the projection effect of the corresponding light, and sends the light control instruction to the light control unit 500.
Taking the multifunctional camera 210 as an example, the light control unit 400 receives information such as the attribute, size, distance, angle, etc. of an obstacle detected by the camera, and in combination with the received gear information, steering wheel angle information, and vehicle speed information of each switch sent by the vehicle control unit 300, calculates the current working mode through an internal algorithm, generates a light control command corresponding to a corresponding light effect, and determines which LEDs need to be turned off and which LEDs need to be turned on, and sends the calculated light control command to the light control unit 500.
The lamp control unit 500 receives and analyzes the lamp control command of the lamp control unit 400 according to the corresponding requirement, and sends a corresponding driving command to the projection headlight module 100 to drive and control the projection headlight module 100 to perform a corresponding projection action.
In the embodiment shown in fig. 5, the vehicle lamp control unit 500 includes a signal receiver 501, a signal processing module 502, a central processing unit 503, an LED driving unit 504, a high frequency switch group 505, a fault processing module 506, and a feedback module 507.
The signal receiver 501 is connected to the signal processing module 502, and receives the vehicle lamp control command of the light control unit 400 and sends the vehicle lamp control command to the signal processing module 502.
The signal processing module 502 is connected to the central processing unit 503, and converts the digital information sent by the signal receiver 501 into analog information and sends the analog information to the central processing unit 503.
The central processing unit 503 is connected to the LED driving unit 504, analyzes and processes the vehicle lamp control command sent by the signal processing module 502, and sends a driving instruction to the LED driving unit 504;
the LED driving unit 504 is connected to the high-frequency switch group 505, and controls the switching operation of the high-frequency switch group 505 in accordance with a driving command from the central processing unit 503.
The fault processing module 506 receives fault information of the signal processing module 502, the central processing unit 503 and the LED driving unit 504, detects an electrical fault of the modules, and feeds back the fault information to the light control unit 400 through the feedback module 507.
Taking two LEDs 01 and 02 in the projection headlight module 100 as an example, it is assumed that the car light control command generated by the calculation of the light control unit 400 is: LED01 is off and LED02 is on.
The lamp control command sent by the lamp control unit 400 to the lamp control unit 500 about the two LEDs is 01(0 represents that the LEDs are turned off, and 1 represents that the LEDs are turned on);
after receiving the vehicle lamp control command, the signal receiver 501 sends the information to the signal processing module 502;
the signal processing module 502 converts the digital information into analog information and sends the analog information to the central processing unit 503;
after receiving the analog information, the central processing unit 503 sends a driving instruction to the LED driving unit 504 through calculation processing;
the LED driving unit 504 controls the switching operation of the corresponding high frequency switch group 505 according to the instruction of the central processing unit 503, controls the projection headlight module 100, turns off the switch of the LED01, and turns on the switch of the LED 02.
The working mode and the application scene of the projection high-definition pixel headlamp of the invention are further explained below, so that how to realize the man-machine interaction function of the invention is better explained.
The following proposes a total of 10 working modes and corresponding application scenarios to meet different requirements.
1) A welcome mode.
When the key unlocks the vehicle, the projection type high-definition pixel headlamp is in a welcome mode, and interaction of the vehicle on a simple greeting of a driver is achieved.
Fig. 6 discloses a block diagram of a control system of a welcome mode of a projection high-definition pixel headlamp according to an embodiment of the invention, fig. 7 discloses a road effect diagram of the welcome mode of the projection high-definition pixel headlamp according to an embodiment of the invention, as shown in the control strategy and the road effect shown in fig. 6 and 7, a control circuit module detects key unlocking information, enters the welcome mode, and controls the projection headlamp module to project a corresponding welcome symbol to the ground in front of an automobile, which is specifically implemented as follows:
the entire vehicle control unit 300 receives unlocking information of the key 207;
the entire vehicle control unit 300 sends information to the light control unit 400;
the light control unit 400 judges that the vehicle light control unit enters a welcome mode, processes the welcome mode to obtain a vehicle light control instruction, and sends specific execution information to the vehicle light control unit 500;
the lamp control unit 500 controls the projection lamp module 100 to project welcome animation on the ground.
Optionally, the welcome animation may be selected by the user through the APP, or may be customized privately.
The information corresponding to the control circuit module in the welcome mode judgment comprises the following information:
sensor information: light information of the rainfall light sensor 201;
vehicle state information: key-related information of the key 207.
2) An automatic driving mode.
When the vehicle is in an automatic driving mode, the projection type high-definition pixel headlamp is in the automatic driving mode, and the vehicle width and the vehicle advancing direction are displayed in a projection mode on the ground for reminding pedestrians of paying attention to safety.
Fig. 8 is a block diagram of a control system of an automatic driving mode of a projection high-definition pixel headlight according to an embodiment of the invention, fig. 9 is a road effect diagram of an automatic driving mode of a projection high-definition pixel headlight according to an embodiment of the invention, and as shown in the control strategy and the road effect shown in fig. 8 and fig. 9, when the control circuit module detects information of the automatic driving mode, the control circuit module enters the automatic driving mode, and the control circuit module controls the projection headlight module to project a corresponding vehicle width and a corresponding vehicle heading direction symbol to the ground in front of the vehicle, which is specifically implemented as follows:
the whole vehicle control unit 300 receives the sensor information and the vehicle state information, and judges that the vehicle enters an automatic driving mode and is within a specified driving speed range;
the entire vehicle control unit 300 sends information to the light control unit 400;
the light control unit 400 judges that the automatic driving mode is entered, processes to obtain a light control instruction, and sends specific execution information to the light control unit 500;
the lamp control unit 500 controls the projection lamp module 100 to project the width and the heading direction information of the vehicle on the ground.
Wherein, the information that control circuit module is judging that autopilot mode corresponds includes the following:
sensor information: light information of the rainfall light sensor 201, height information of the entire vehicle height sensor 202, road condition information of the radar detector 209 and road condition information of the multifunctional camera 210;
vehicle state information: headlight switch information of the headlight switch 203, steering angle information of the steering wheel 204, steering information and switch information of the steering column 205, information related to the vehicle speed 206, information related to the key 207, and wiper 208 information.
3) A courtesy pedestrian mode.
When a pedestrian is encountered, the projection type high-definition pixel headlamp is in a mode of giving a gift to the pedestrian, the vehicle stops, and the zebra crossing is projected on the ground to allow the pedestrian to pass after the safety of the external environment is confirmed.
Furthermore, if the traffic lane is dangerous, for example, when a vehicle passes through the lane beside the vehicle, the last zebra crossing flashes quickly to remind pedestrians of paying attention and passing safely.
Fig. 10 is a block diagram of a system for controlling a courtesy pedestrian mode of a projection high-definition pixel headlamp according to an embodiment of the invention, fig. 11 is a road surface effect diagram of a courtesy pedestrian mode of a projection high-definition pixel headlamp according to an embodiment of the invention, and as shown in the control strategy and the road surface effect shown in fig. 10 and fig. 11, a control circuit module detects that a vehicle is in an idle state and detects that a pedestrian needs to cross a road in front of the vehicle, and enters the courtesy pedestrian mode, and the control circuit module controls a projection headlamp module to project a corresponding zebra crossing symbol to the ground in front of the vehicle, which is specifically implemented as follows:
the whole vehicle control unit 300 receives the sensor information and the vehicle state information, judges that the vehicle is in an idle state, and detects that a pedestrian needs to cross the road in front through the multifunctional camera 210;
the entire vehicle control unit 300 sends information to the light control unit 400;
the light control unit 400 judges that the mode of courtesy pedestrian is entered, processes to obtain a vehicle light control instruction, and sends specific execution information to the vehicle light control unit 500;
the car light control unit 500 controls the projection headlight module 100 to project a zebra crossing on the ground where the pedestrian passes through, so that the pedestrian passes through.
Furthermore, the vehicle control unit 300 detects that if the pedestrian is dangerous, for example, when the camera detects that there is a passing vehicle in the next lane, the last zebra crossing on the ground flickers to remind the pedestrian of passing safely.
Wherein, the control circuit module is judging the information that lets pedestrian's mode correspond and includes following:
sensor information: light information of the rainfall light sensor 201, height information of the entire vehicle height sensor 202, road condition information of the radar detector 209 and road condition information of the multifunctional camera 210;
vehicle state information: the information on the headlight switch 203 and the information on the vehicle speed 206.
4) And (5) a vehicle distance alarm mode.
When vehicles in front run in the same direction, the projection type high-definition pixel headlamp is in a vehicle distance alarming mode, and the headlamp can project a safety distance warning line on the ground.
Furthermore, when the distance between the two vehicles is less than the safe distance, the warning line can flash rapidly and alarm along the tail of the front vehicle.
Fig. 12 is a block diagram of a system for controlling a distance warning mode of a projection high-definition pixel headlamp according to an embodiment of the invention, fig. 13 is a road effect diagram of the distance warning mode of the projection high-definition pixel headlamp according to an embodiment of the invention, and as shown in the control strategy and the road effect shown in fig. 12 and fig. 13, a control circuit module detects that there is a vehicle traveling in the same direction in front of the vehicle when the vehicle is traveling normally, and enters the distance warning mode, and the control circuit module controls the projection headlamp module to project a corresponding vehicle safety distance warning line symbol to the ground in front of the vehicle, which is specifically implemented as follows:
when the vehicle normally runs, the multifunctional camera 210 detects that there is a vehicle running in the same direction in front;
the entire vehicle control unit 300 sends information to the light control unit 400;
the light control unit 400 judges that the vehicle distance alarm mode is entered, processes to obtain a vehicle light control instruction, and sends specific execution information to the vehicle light control unit 500;
the lamp control unit 500 controls the projection headlight module 100 to project a vehicle safety distance warning line on the ground.
Furthermore, the entire vehicle control unit 300 automatically calculates the safe vehicle distance according to the current vehicle speed, and if the current vehicle distance is smaller than the safe vehicle distance set by the system, the warning line can flash rapidly to give an alarm to remind the driver of paying attention.
Wherein, the information that control circuit module is judging that vehicle distance alarm mode corresponds includes the following:
sensor information: height information of the vehicle height sensor 202, road condition information of the radar detector 209 and road condition information of the multifunctional camera 210;
vehicle state information: the information on the headlight switch 203 and the information on the vehicle speed 206.
5) And a lane change reminding mode.
When the vehicle needs to change lanes, the projection high-definition pixel headlamp is in a lane change reminding mode, and a lane change path and direction are projected on the ground and used for reminding the vehicle on the lane beside to pay attention to avoiding.
Fig. 14 discloses a block diagram of a control system of a lane change reminding mode of a projection high-definition pixel headlamp according to an embodiment of the invention, fig. 15 discloses a road effect diagram of the lane change reminding mode of the projection high-definition pixel headlamp according to an embodiment of the invention, as shown in the control strategy and the road effect shown in fig. 14 and fig. 15, when a control circuit module detects steering information and steering column rotation angle information during normal driving of an automobile, and when the vehicle speed reaches a system set speed range, the control circuit module enters the lane change reminding mode, and the control circuit module controls the projection headlamp module to project a corresponding driving path and direction symbol of the lane change of the automobile to the ground in front of the automobile, which is specifically implemented as follows:
when the vehicle normally runs, the whole vehicle control unit 300 detects the steering information and the steering column angle information, and the vehicle speed reaches the set speed range of the system;
the entire vehicle control unit 300 sends information to the light control unit 400;
the light control unit 400 judges that the lane change reminding mode is entered, processes the lane change reminding mode to obtain a vehicle light control instruction, and sends specific execution information to the vehicle light control unit 500;
the car light control unit 500 controls the projection headlight module 100 to project the driving path and direction information of the lane change of the vehicle on the ground, so as to remind the driver of the lane beside to pay attention to the avoidance.
Wherein, the information that control circuit module is judging that lane change reminds the mode to correspond includes the following:
sensor information: light information of the rainfall light sensor 201;
vehicle state information: information on the opening and closing of headlight switch 203, information on the angle of rotation of steering wheel 204, information on the turning and opening of steering column 205, and information on vehicle speed 206.
6) Hazard warning mode.
When a vehicle breaks down, the projection type high-definition pixel headlamp is in a danger warning mode, and a danger warning mark is projected on the ground and used for warning other lane vehicles to avoid.
Fig. 16 is a block diagram of a system for controlling a hazard warning mode of a projection high-definition pixel headlamp according to an embodiment of the present invention, fig. 17 is a road surface effect diagram of a hazard warning mode of a projection high-definition pixel headlamp according to an embodiment of the present invention, and as shown in the control strategy and the road surface effect shown in fig. 16 and 17, when a control circuit module detects that an automobile has a fault and is in a stop state, the control circuit module enters the hazard warning mode, and the control circuit module controls a projection headlamp module to project a corresponding triangular warning symbol to a ground in front of the automobile, which is specifically implemented as follows:
when the vehicle malfunctions and is in a stopped state, the entire vehicle control unit 300 transmits information to the light control unit 400;
the light control unit 400 judges that the vehicle light enters the danger warning mode, processes the vehicle light control command to obtain a vehicle light control command, and sends specific execution information to the vehicle light control unit 500;
the car light control unit 500 controls the projection headlight module 100 to project a triangular warning sign on the ground for reminding pedestrians and passing vehicles to avoid.
Wherein, the information that the control circuit module is judging danger warning mode corresponds includes the following:
sensor information: light information of the rainfall light sensor 201;
vehicle state information: the headlight switch 203.
7) And (5) a road condition reminding mode.
When a vehicle runs, the camera can capture the content of the road condition indicator on the road and display the content on the road surface.
Fig. 18 is a block diagram of a control system of a road condition reminding mode of a projection high-definition pixel headlamp according to an embodiment of the invention, fig. 19 is a road effect diagram of a road condition reminding mode of a projection high-definition pixel headlamp according to an embodiment of the invention, and as shown in the control strategy and the road effect shown in fig. 18 and fig. 19, when a control circuit module detects that a road condition is complex or a warning sign related to a front road is on a road side indicator, the control circuit module enters the road condition reminding mode, and controls the projection headlamp module to project a corresponding road condition warning symbol to the ground in front of an automobile, which is specifically implemented as follows:
when the vehicle detects that the road surface condition is complex or a front road related warning sign is on the road side indicating plate, the whole vehicle control unit 300 sends information to the light control unit 400;
the light control unit 400 judges that the road condition reminding mode is entered, processes the road condition reminding mode to obtain a vehicle light control instruction, and sends specific execution information to the vehicle light control unit 500;
the car light control unit 500 controls the projection headlight module 100 to project a corresponding road condition warning sign on the ground, so as to remind the driver of safety and careful driving.
Wherein, the information that the control circuit module is judging that the road conditions reminds the mode and corresponds includes the following:
sensor information: light information of the rainfall light sensor 201 and road condition information of the multifunctional camera 210;
vehicle state information: the headlight switch 203.
8) An automatic parking mode.
When the vehicle is in an automatic parking mode, the projection type high-definition pixel headlamp is in the automatic parking mode, and the headlamp projects the mark of automatic parking and the traveling direction of the vehicle on the ground so as to remind pedestrians and nearby vehicles of avoiding.
Fig. 20 is a block diagram of a control system of an automatic parking mode of a projection high-definition pixel headlamp according to an embodiment of the present invention, fig. 21 is a road effect diagram of an automatic parking mode of a projection high-definition pixel headlamp according to an embodiment of the present invention, where, as shown in the control strategy and the road effect shown in fig. 20 and fig. 21, a control circuit module detects that an automobile enters the automatic parking mode when the automobile is automatically parked, and the control circuit module controls a projection headlamp module to project a corresponding identifier of automatic parking and a symbol of a vehicle traveling direction to a ground in front of the automobile, and the specific implementation manner is as follows:
the vehicle control unit 300 receives the sensor information and the vehicle state information and judges that the vehicle enters an automatic parking mode;
the entire vehicle control unit 300 sends information to the light control unit 400;
the light control unit 400 judges that the automatic parking mode is entered, processes the automatic parking mode to obtain a light control instruction, and sends specific execution information to the light control unit 500;
the car light control unit 500 controls the projection headlight module 100 to project the automatic parking sign and the vehicle traveling direction on the ground, so as to remind pedestrians and nearby vehicles of avoiding.
The information corresponding to the control circuit module in the judgment of the automatic parking mode comprises the following information:
sensor information: light information of the rainfall light sensor 201;
vehicle state information: the information on the switch of the headlight switch 203, the information on the road condition of the multifunction camera 210, and the information on the automatic parking of the automatic parking switch 211.
9) And a vehicle locking prompt mode.
When the vehicle is locked, the projection type high-definition pixel headlamp is in a vehicle locking prompt mode, and interaction of the vehicle on a simple greeting of a driver is realized.
Fig. 22 is a block diagram of a control system of a locking prompt mode of a projection high-definition pixel headlamp according to an embodiment of the present invention, fig. 23 is a road effect diagram of a locking prompt mode of a projection high-definition pixel headlamp according to an embodiment of the present invention, and as shown in the control strategy and the road effect shown in fig. 22 and fig. 23, when a control circuit module detects key locking information, the control circuit module enters the locking prompt mode, and the control circuit module controls the projection headlamp module to project a corresponding shutdown symbol to the ground in front of an automobile, which is specifically implemented as follows:
the entire vehicle control unit 300 receives locking information of the key 207;
the entire vehicle control unit 300 sends information to the light control unit 400;
the light control unit 400 judges that the vehicle locking prompt mode is entered, processes to obtain a vehicle light control instruction, and sends specific execution information to the vehicle light control unit 500;
the lamp control unit 500 controls the projection lamp module 100 to project the shutdown animation on the ground.
Optionally, the shutdown animation may be user-selected or may be customized.
Wherein, the information that control circuit module is judging that lock car suggestion mode corresponds includes the following:
sensor information: light information of the rainfall light sensor 201;
vehicle state information: information about the key 207.
10) Vehicle state information display mode.
After the home key of the vehicle key is pressed, the projection type high-definition pixel headlamp is in a vehicle state information display mode, and basic information of the vehicle state, such as the temperature and the electric quantity information in the vehicle, is displayed.
Fig. 24 is a block diagram of a control system of a vehicle status information display mode of a projection high-definition pixel headlamp according to an embodiment of the present invention, fig. 25 is a road effect diagram of a vehicle status information display mode of a projection high-definition pixel headlamp according to an embodiment of the present invention, and as shown in the control strategy and the road effect shown in fig. 24 and fig. 25, when the control circuit module detects key homepage key information, the control circuit module enters the vehicle status information display mode, and the control circuit module controls the projection headlamp module to project a corresponding vehicle status information symbol to a ground in front of a vehicle, which is implemented as follows:
the vehicle control unit 300 receives the information of the key home key switch 212;
the entire vehicle control unit 300 sends information to the light control unit 400;
the light control unit 400 judges that the vehicle state information display mode is entered, processes to obtain a vehicle light control instruction, and sends specific execution information to the vehicle light control unit 500;
the lamp control unit 500 controls the projection headlight module 100 to project the status information of the entire vehicle on the ground.
Wherein, the information that control circuit module is judging that vehicle state information display mode corresponds includes the following:
sensor information: light information of the rainfall light sensor 201;
vehicle state information: the switch information of the headlight switch 203 and the vehicle state display information of the key Home switch 212.
According to the projection type high-definition pixel headlamp provided by the invention, the identification symbols corresponding to road conditions are projected according to different working modes and application scenes, so that relevant information or warning is provided for drivers, other vehicles on the road and pedestrians, a man-machine interaction lighting effect is achieved, the scientific and technological sense of automobiles is greatly improved, and the driving safety is improved.
While, for purposes of simplicity of explanation, the methodologies are shown and described as a series of acts, it is to be understood and appreciated that the methodologies are not limited by the order of acts, as some acts may, in accordance with one or more embodiments, occur in different orders and/or concurrently with other acts from that shown and described herein or not shown and described herein, as would be understood by one skilled in the art.
As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements.
The embodiments described above are provided to enable persons skilled in the art to make or use the invention and that modifications or variations can be made to the embodiments described above by persons skilled in the art without departing from the inventive concept of the present invention, so that the scope of protection of the present invention is not limited by the embodiments described above but should be accorded the widest scope consistent with the innovative features set forth in the claims.

Claims (14)

1. The utility model provides a projection formula high definition pixel headlight which characterized in that, includes projection headlight module and control circuit module:
and the control circuit module enters a corresponding working mode according to the received sensor information and the automobile state information and controls the projection headlamp module to project a corresponding identification symbol to the ground in front of the automobile.
2. The projection type high definition pixel headlight of claim 1, wherein the projection headlight module comprises a light source, a digital light processing circuit board, a digital micromirror device processing chip and a projection lens:
the digital micromirror device processing chip consists of tiny lenses;
the digital optical processing circuit board controls the lens of the digital micromirror device processing chip according to the received control instruction to form the reflection projection of different images;
the light emitted by the light source is projected to the digital micro-mirror device processing chip and is reflected by the digital micro-mirror device processing chip to be projected to the projection lens to form screen imaging of the identification symbol.
3. The projection type high-definition pixel headlamp of claim 1, wherein the control circuit module comprises a vehicle control unit, a light control unit and a vehicle light control unit:
the whole vehicle control unit receives the sensor information and the vehicle state information, judges the working state of the vehicle, preprocesses the data and sends the data to the light control unit;
the light control unit receives the information of the whole vehicle control unit, judges that the whole vehicle control unit enters a corresponding working mode, calculates and processes to obtain a vehicle light control instruction corresponding to the vehicle light effect, and sends the vehicle light control instruction to the vehicle light control unit;
and the car lamp control unit receives and analyzes the car lamp control instruction of the car lamp control unit, and drives and controls the projection headlamp module to perform corresponding projection.
4. The projection type high definition pixel headlight of claim 1, wherein the control circuit module detects a key unlock message and enters a welcome mode, and the control circuit module controls the projection headlight module to project a corresponding welcome symbol to the ground in front of the vehicle.
5. The projective high-definition pixel headlight of claim 1, wherein the control circuit module detects the autopilot mode information and enters the autopilot mode, and the control circuit module controls the projection headlight module to project the corresponding vehicle width and the vehicle heading symbol to the ground in front of the vehicle.
6. The projection type high definition pixel headlight of claim 1, wherein the control circuit module detects that the vehicle is in an idle state and a pedestrian is in front of the vehicle, and enters a pedestrian courtesy mode, and the control circuit module controls the projection headlight module to project a corresponding zebra crossing symbol to the ground in front of the vehicle.
7. The projection type high definition pixel headlight of claim 6, wherein the control circuit module is in a pedestrian courtesy mode, and when passing vehicles are detected in a lane beside the control circuit module, the control circuit module controls the last zebra crossing of the zebra crossing symbols projected by the projection headlight module to flicker.
8. The projective high-definition pixel headlight of claim 1, wherein the control circuit module detects that there is a vehicle traveling in the same direction in front of the vehicle when the vehicle is traveling normally, and enters a vehicle distance warning mode, and the control circuit module controls the projection headlight module to project a corresponding vehicle safety distance warning line symbol to the ground in front of the vehicle.
9. The projection type high-definition pixel headlight as claimed in claim 1, wherein the control circuit module detects steering information and turning angle information when the vehicle is running normally, and when the vehicle speed reaches a system set speed range, the control circuit module enters a lane change reminding mode, and controls the projection headlight module to project a corresponding driving path and direction symbol of the lane change of the vehicle to the ground in front of the vehicle.
10. The projection-type high-definition pixel headlight as claimed in claim 1, wherein the control circuit module enters a hazard warning mode when detecting that the vehicle is in a failure state, and the control circuit module controls the projection headlight module to project a corresponding triangular warning symbol to the ground in front of the vehicle.
11. The projection type high-definition pixel headlamp of claim 1 wherein the control circuit module enters a road condition reminding mode when detecting that the road condition is complex or a warning sign related to a front road is on a road side indicator, and the control circuit module controls the projection headlamp module to project a corresponding road condition warning sign to the ground in front of the automobile.
12. The projective high-definition pixel headlight of claim 1, wherein the control circuit module detects that the car enters an automatic parking mode when the car is automatically parked, and the control circuit module controls the projection headlight module to project a corresponding sign of automatic parking and a sign of a vehicle traveling direction to a ground in front of the car.
13. The projection type high-definition pixel headlamp of claim 1 wherein the control circuit module enters a locking prompt mode when detecting the key locking information, and the control circuit module controls the projection headlamp module to project a corresponding shutdown symbol to the ground in front of the automobile.
14. The projection-type high-definition pixel headlamp of claim 1 wherein the control circuit module enters a vehicle status information display mode when detecting key home key information, and the control circuit module controls the projection headlamp module to project corresponding vehicle status information symbols onto the ground in front of the vehicle.
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CN111757571B (en) * 2020-07-10 2021-08-20 华人运通(上海)云计算科技有限公司 Car light control system and car thereof
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Application publication date: 20200609