WO2021169439A1 - Système de phare de véhicule à radar à ondes millimétriques - Google Patents

Système de phare de véhicule à radar à ondes millimétriques Download PDF

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Publication number
WO2021169439A1
WO2021169439A1 PCT/CN2020/131022 CN2020131022W WO2021169439A1 WO 2021169439 A1 WO2021169439 A1 WO 2021169439A1 CN 2020131022 W CN2020131022 W CN 2020131022W WO 2021169439 A1 WO2021169439 A1 WO 2021169439A1
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WO
WIPO (PCT)
Prior art keywords
millimeter wave
module
wave radar
reflector
vehicle
Prior art date
Application number
PCT/CN2020/131022
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English (en)
Chinese (zh)
Inventor
黄承光
薛乐山
Original Assignee
南京深视光点科技有限公司
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Publication of WO2021169439A1 publication Critical patent/WO2021169439A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/282—Transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/35—Details of non-pulse systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a vehicle lamp system with millimeter wave radar that shares a light source module and a reflector of a vehicle lamp.
  • the on-board radar can detect the location, distance and speed of objects outside the vehicle, and higher-level people can identify the type of objects or based on radar signals. Carrying out imaging, so that drivers can obtain more driving information for reference.
  • the current vehicle radar technology includes infrared radar, ultrasonic radar, LiDAR, camera and millimeter wave radar.
  • millimeter wave radar does not Affected by the weather and environment, the detection distance is relatively long, so it is a better choice for vehicle radar.
  • the existing vehicle-mounted radar is often used to assist the application of vehicle ranging.
  • the vehicle-mounted radar is often installed in the position of the bumper.
  • This method requires additional installation holes in the bumper, which has greater safety for the bumper structure.
  • in-vehicle radars generally can only use PCB microstrip antennas (microstrip antennas) to directly send and receive radio waves, but cannot use parabolic antennas with high directivity to increase the gain. Therefore, the radar’s
  • the angle and resolution are not easy to improve.
  • the lack of antenna aperture limits the maximum distance that the radar can detect.
  • US8803728B2 "Millimeter wave radar-equipped” headlamp", which discloses a headlamp equipped with a millimeter wave radar, which is mainly composed of a lighting device unit, a frame and a millimeter wave radar, and the lighting device unit may include a projection lens, a light source, and a millimeter wave radar.
  • the reflector and a hood the projection lens is used to transmit the light generated by the light source out of the car lamp, the light source is used to generate an illuminating light source, and the reflector is used to reflect the light generated by the light Reflected to the outside of the car lights, the hood is used to block part of the reflected light from the reflector.
  • the millimeter wave radar may include an antenna module, a millimeter waveguide tube, a millimeter wave reflector, and a control module.
  • the antenna module is used to receive millimeter waves
  • the millimeter waveguide tube is used to transmit millimeter waves
  • the millimeter wave mirror can reflect the millimeter waves generated by the millimeter waveguide tube to the outside of the projection lens.
  • the control module is used to control the antenna module; accordingly, this U.S. patent proposes an invention in which a millimeter wave radar is installed in the headlight of a vehicle; there are other references as follows:
  • the headlamp equipped with millimeter-wave radar proposed in US Patent No. US8803728B2 has a very narrow detection range of millimeter-wave radar. If the detection range of millimeter-wave radar is to be increased, the number of millimeter-wave radars must be increased.
  • vehicle-mounted millimeter-wave radars generally use phase control arrays to form a base line to control the beam direction of the transmitting end.
  • the directivity gain of a single antenna is usually low, and it is not possible to form a complete antenna.
  • the directional beam there may be a problem of mutual interference between different emission sources between vehicles.
  • the receiving end can only reduce the interference to a certain extent even with a more complex algorithm, so it is limited. With a high signal-to-noise ratio, it is easy to cause confusion between signals that detect multiple targets within the viewing angle.
  • the detectable distance range is limited due to beam dispersion.
  • the inventors have conducted research and improvement on millimeter wave radars and vehicle lighting fixtures based on years of experience in related industries; therefore, the main purpose of the present invention is to provide a millimeter wave radar installed in vehicle lighting. Lamps, and share the light source module and reflector of the vehicle lighting lamps and lanterns system with millimeter wave radar.
  • a vehicle lamp system with millimeter wave radar of the present invention is characterized by comprising: a lamp housing, one end of which is assembled with a lampshade, and the other end is assembled with a reflector, the lampshade and the An accommodating space is formed between the reflectors; an optical module is assembled in the accommodating space, and an illuminating light generated by the optical module is reflected to the lampshade via the reflector; and a millimeter wave radar module is assembled in the accommodating space.
  • a reflector, and the millimeter wave radar module and the optical module are arranged in relative positions, and the millimeter wave radar module is driven to transmit and receive at least one millimeter wave signal; a beam filtering module is arranged on the millimeter wave radar module and the optical module In between, the beam filtering module can reflect the millimeter wave signal and allow the illumination light to penetrate; and a control module is assembled inside the lamp housing, the control module is coupled to the millimeter wave radar module, and the control module Drive the millimeter-wave radar module to act, and analyze the received millimeter-wave signal to generate line-of-vehicle information.
  • the beam filtering module is transparent, and a wave reflection unit is arranged on the surface of the beam filtering module.
  • the wave reflection unit is made of a conductive metal structure, and the conductive metal structure is arranged in an array arrangement or a woven mesh arrangement.
  • the gap of the conductive metal structure of the wave reflection unit is less than 1 millimeter.
  • the millimeter wave radar module includes a focal plane antenna array.
  • the focal plane antenna array is arranged on the reflector in a phase array.
  • the lamp housing is formed with a second accommodating space, and the control module group is arranged in the second accommodating space.
  • control module is coupled to the host computer of the trip computer, and the control module transmits the driving information to the host computer of the trip computer for display.
  • a wireless transmission module is coupled to the control module, and the wireless transmission module is used to transmit the driving information.
  • the millimeter wave radar module of the present invention has at least one focal plane antenna array, and the focal plane antenna array can transmit and receive a millimeter wave signal, so that the vehicle lamp system can perform radar detection through the millimeter wave signal to generate a Driving information is provided for the driver’s reference. Furthermore, the millimeter wave radar module and the optical module of the present invention share a reflector and a vehicle power system to realize the miniaturization of the vehicle lamp system. In addition, the millimeter wave radar module Through the reflection of the mirror and the beam filter module, the millimeter wave signal can be focused in the specified direction, thereby increasing the detection range of the millimeter wave radar module, and the millimeter wave signal can be detected to a longer distance after energy focusing .
  • the present invention also provides a vehicle lamp system with millimeter wave radar, which is characterized by comprising: a lamp housing, one end of which is assembled with a lampshade and the other end is assembled with a reflector.
  • the lampshade and the reflector are formed between There is an accommodating space; an optical integrated circuit group is arranged in the accommodating space, the optical integrated circuit integrates at least one optical module and at least one millimeter wave radar module, the optical integrated circuit group is arranged on the reflector, the optical integration
  • the circuit is used to emit an illuminating light and a millimeter wave signal to the reflector; and a control module is assembled inside the lamp housing, the control module is coupled to the optical integrated circuit, and the control module drives the optical integrated circuit to act , And analyze the received millimeter wave signal to generate a row of vehicle information.
  • Figure 1 is a schematic diagram (1) of the composition of the present invention.
  • Figure 2 is a schematic diagram (2) of the composition of the present invention.
  • Figure 3 is a schematic diagram of the composition of the present invention (3).
  • Figure 4 is a schematic diagram (four) of the composition of the present invention.
  • Figure 5 is a schematic diagram (1) of the implementation of the present invention.
  • Figure 6 is a schematic diagram (2) of the implementation of the present invention.
  • Figure 7 is a schematic diagram (3) of the implementation of the present invention.
  • Figure 8 is a schematic diagram of the implementation of the present invention (4).
  • Figure 9 is a schematic diagram (5) of the implementation of the present invention.
  • Fig. 10 is another embodiment (1) of the present invention.
  • Figure 11 is another embodiment (2) of the present invention.
  • FIG. 1 shows a schematic diagram (1) of the composition of the present invention.
  • the vehicle lamp system 10 of the present invention is assembled on a vehicle carrier 20. Simultaneously emit illuminating light and millimeter waves (Millimeter Wave, mmWave).
  • the millimeter wave is also called Extremely High Frequency (EHF). It refers to electromagnetic waves with a wavelength from 1mm to 10mm and a frequency range from 30GHz to 300GHz. In the radio frequency spectrum, millimeter waves are located in the range of microwave and infrared waves.
  • EHF Extremely High Frequency
  • the vehicle lighting system 10 is additionally coupled to a vehicle power system 201 of the vehicle vehicle 20 and a vehicle computer mainframe 202.
  • the vehicle The power system 201 can supply the power required for the operation of the vehicle lighting system 10, and the driving computer mainframe 202 can receive a millimeter wave radar information transmitted by the vehicle lighting system 10, and display it on the driving computer mainframe 202 for the driver to view Radar information to obtain information such as the distance and speed of the vehicle ahead.
  • FIG. 2 shown in the figures are the schematic composition diagrams (2) to (3) of the present invention.
  • One end of the shell 101 is provided with a lampshade 102, and the other end is provided with a reflector 103, and an accommodating space 1011 is formed between the lampshade 102 and the reflector 103.
  • the reflector 103 is arranged at the relative position of the lampshade 102
  • the reflector 103 is made of a metal conductor material, which can reflect light and millimeter wave signals to the lampshade 102, so that the light and millimeter wave signals are reflected to the outside of the lampshade 102 through the reflector 103 for the vehicle carrier 20 (in this figure) (Not shown) for lighting purposes
  • the accommodating space 1011 is additionally provided with an optical module 104 and a beam filter module 105, wherein the optical module 104 can generate an illuminating light after being driven, and illuminate the illuminating light on
  • the reflector 103 forms a reflective light source.
  • the optical module 104 can be one or a combination of a light-emitting diode, an incandescent lamp, a xenon lamp, or a laser lamp module, but any optical component that can be used for illumination can be used.
  • the beam filtering module 105 is arranged between the reflector 103 and the optical module 104.
  • the beam filter module 105 is made of light-transmitting material, so that visible light can freely pass through the beam filter module 105. It can be made of glass material, transparent ceramic, acrylic and other transparent non-conductor materials, which can be implemented. Furthermore, the beam filtering module 105 is additionally equipped with a wave reflection unit 1051.
  • the wave reflection unit 1051 is a conductor metal structure of less than 1 mm, which can be a conductor wire array or a conductor mesh, which penetrates conductors with a spacing of less than 1 mm. Line, so that the wave reflection unit 1051 can completely reflect electromagnetic waves, and at the same time can provide light to penetrate past.
  • the surface assembly of the reflector 103 is provided with a millimeter wave radar module 106, wherein the millimeter wave radar module 106 is composed of a focal plane antenna array, and the focal plane antenna includes at least one microwave transmitting unit and At least one microwave receiving unit, the millimeter wave radar module 106 focuses the energy of electromagnetic waves in a specific direction through a reflector 103 made of a metal conductor, so as to achieve accurate detection of distant objects.
  • the millimeter wave radar module 106 has a higher Directivity gain, for objects in a specific direction, can concentrate more radio frequency power for detection, and also greatly improve the signal-to-noise ratio of the radar, so it can detect farther objects.
  • the millimeter wave radar module 106 integrates multiple sets of focal planes.
  • the antenna arrays microwave transmitting unit and microwave receiving unit
  • the microwave transmitting unit and microwave receiving unit are arranged at multiple different positions on the focal plane, and can pass through the reflecting surface of the same set of mirrors 103 to detect targets in multiple directions at the same time, and each microwave transmitting unit and The microwave receiving unit can independently switch or modulate the transmission power, which can minimize the electromagnetic interference to the target space and avoid the misjudgment of other radar systems.
  • the focal plane antenna array can also be a phase array Arranged on the mirror 103, the focal plane array can concentrate the angular resolution of the beam.
  • the future vehicle lighting may use multiple groups of LEDs to form an array as the mainstream
  • multiple vehicle lighting systems 10 can be used. Form a specific array distribution in space, and set the signal source of the transceiver (focal plane antenna) in the focal plane array to be synchronized, so a certain element (focal plane antenna) of the focal plane array on each mirror 103, and other reflections Corresponding elements with the same beam direction of the focal plane array on the mirror can then form a phase array.
  • the phase array can refine the angular resolution originally provided by the focal plane array in each beam, where
  • Each beam of the phase array of this embodiment can provide independent viewing angles of 5-10 degrees, while the phase array can provide angular resolution of ⁇ 1 degree.
  • the fusion of the two (through digital beam synthesis) can achieve wide-view images and high-resolution images. Resolution adaptable imaging radar.
  • FIG. 4 is a schematic diagram (four) of the composition of the present invention.
  • the vehicle power system 201 the trip computer host 202 and the millimeter wave radar module 106
  • it can be a central processing unit (CPU), a digital signal processor (DSP), a microcomputer Processor (Micro Processing Unit, MPU), a microcontroller (Micro Control Unit, MCU), a graphics processor (Graphic Processing Unit, GPU), or a field programmable logic array (Field Programmable Gate Array, FPGA)
  • the control module 107 can be assembled inside the lamp housing 101, so that the control module 107 can be hidden inside the lamp housing 101, thereby avoiding the light source illumination path of the optical module 104 and the millimeter wave radar module 106
  • the millimeter wave signal transmitting and receiving path of the millimeter wave signal wherein the control module 107 can control the action of the millimeter wave radar module 106, and analyze the reflected
  • FIG. 5 shows a schematic diagram (1) of the implementation of the present invention.
  • the beam filter module 105 After passing through the beam filter module 105, it is reflected by the reflector 103 and irradiated outside the lampshade 102 to complete the light irradiation path.
  • the optical module 104 is a light emitting diode, the optical module 104 can be reflected by the reflector 103.
  • the reflective surface of the reflector 103 can be formed with a diffuse reflection structure, so that after the illumination light L1 is reflected by the reflector 103, the illuminating light L1 irradiated can be more uniform and soft;
  • the control module 107 drives the millimeter wave radar module 106
  • the millimeter wave radar module 106 transmits a millimeter wave signal L2 through the focal plane antenna array, and transmits the millimeter wave signal L2 to the beam filter module 105 .
  • FIG. 6 is a schematic diagram (2) of the implementation of the present invention.
  • the beam filter module 105 will further reflect the millimeter wave signal L2 .
  • the millimeter wave signal L2 is reflected to the reflector 103, and under the reflection of the reflector 103, the millimeter wave signal L2 is further reflected to the outside of the lampshade 102, wherein, through the reflection effect of the reflector 103 and the beam filter module 105,
  • the millimeter wave signal L2 can be further focused so that the millimeter wave signal L2 can be focused in multiple designated directions to increase the detection range of the millimeter wave radar module 106.
  • After the millimeter wave signal L2 is reflected by the mirror 103 and the beam filtering module 105, It can concentrate more radio frequency power for detection, which also greatly improves the signal-to-noise ratio of the radar to detect objects farther away.
  • FIGS 7 to 8 are schematic diagrams (3) to (4) of the implementation of the present invention.
  • the vehicle vehicle 20 emits millimeters to another vehicle vehicle 20' on the path ahead.
  • Wave signal L2 When the millimeter wave signal L2 is reflected from another vehicle vehicle 20' back to the vehicle vehicle 20, the focal plane antenna array of the millimeter wave radar module 106 can receive the reflected millimeter wave signal L2, the millimeter wave radar module 106 The millimeter wave signal L2 can be further transmitted to the control module 107, so that the control module 107 analyzes the received millimeter wave signal L2 to generate driving information, where the driving information may include the speed of the preceding vehicle, the distance of the preceding vehicle, or the preceding vehicle Location and other information.
  • FIG. 9 is a schematic diagram (5) of the implementation of the present invention, and please refer to FIG.
  • the trip computer host 202 is provided for the driver to view the trip information D through the trip computer host 202.
  • FIG. 10 shows another embodiment (1) of the present invention.
  • an accommodating space 1011' is formed between the lamp housing 101' and the lampshade 102'.
  • a reflector 103' is set at the bottom of the accommodating space 1011' and the lampshade 102' at an opposite position.
  • an accommodating space 1011' is formed between the lampshade 102' and the reflector 103', and the reflector 103' can reflect light to the lampshade 102', so that the light is reflected by the reflector 103' and then irradiated to the lampshade 102 'Externally, the vehicle carrier 20 (not shown in this figure) is used for lighting purposes.
  • the accommodating space 1011' is also provided with an optical integrated circuit 104', and the optical integrated circuit 104' integrates an optical module and A millimeter-wave radar module, the millimeter-wave radar module includes at least one focal plane antenna array, and the lamp housing 101' is further formed with a second accommodating space 1012', and a control module 107' can be accommodated in the second accommodating space 1012'
  • the accommodating space 1012', and the control module 107' is coupled to the optical integrated circuit 104', so that the control module 107' can control the light action and millimeter wave signal action of the optical integrated circuit 104'.
  • the optical module Integrating with the millimeter wave radar module in the optical integrated circuit 104', the vehicle lamp system 10' can also complete the lighting and millimeter wave radar detection without a beam filtering module, which can greatly reduce the production of the vehicle lamp system 10' volume of.
  • the transmission module 108 can be wirelessly connected to the trip computer host 202, so that the control module 107 can transmit the trip information to the trip computer host 202 through wireless transmission, thereby reducing the line between the vehicle lighting system 10 and the trip computer host 202
  • the layout can be a Bluetooth transmission module, a wi-fi transmission module, a zigbee module or a 2.4G transmission module, but it is not limited to this.
  • the vehicle lamp system with millimeter wave radar of the present invention mainly installs a vehicle lamp system on a vehicle carrier, wherein the vehicle lamp system mainly has an optical module and at least one millimeter wave Radar module, the millimeter wave radar module includes at least one focal plane antenna array, the focal plane antenna array can transmit and receive a millimeter wave signal, so that the vehicle lighting system through the millimeter wave signal for radar detection to generate a row of cars Information for the driver’s reference. Furthermore, the millimeter-wave radar module and the optical module of the present invention share a reflector and a vehicle power system to realize the miniaturization of the vehicle lamp system, and the millimeter-wave radar module is transparent.
  • the millimeter wave signal can be focused in a specified direction, thereby increasing the detection range of the millimeter wave radar module, and the millimeter wave signal can be detected to a longer distance after energy focusing; Accordingly, after the present invention is implemented, it can indeed achieve the purpose of providing a millimeter-wave radar equipped with a vehicle lighting fixture and sharing the light source module and reflector of the vehicle lighting fixture. .

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

L'invention concerne un système de phare de véhicule (10) à radar à ondes millimétriques, le système étant agencé sur un support de véhicule (20). Le système de phare de véhicule (10) est essentiellement muni d'un module optique (104) et d'au moins un module radar à ondes millimétriques (106), le module radar à ondes millimétriques (106) étant apte à émettre et à recevoir un signal d'onde millimétrique, et à permettre au système de phare de véhicule (10) de réaliser une détection par radar au moyen du signal d'onde millimétrique afin de générer des informations de conduite pour qu'un conducteur s'y réfère ; en outre, le module radar à ondes millimétriques (106) partage un réflecteur (103) et un système d'alimentation de véhicule (201) avec le module optique (104), de telle sorte que la taille du système de phare de véhicule (10) soit rendue minimale, et la plage de détection du module radar à ondes millimétriques (106) puisse être augmentée, sans augmenter le nombre de modules radar à ondes millimétriques (106).
PCT/CN2020/131022 2020-02-27 2020-11-24 Système de phare de véhicule à radar à ondes millimétriques WO2021169439A1 (fr)

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Application Number Priority Date Filing Date Title
CN202010125062.0A CN113310025A (zh) 2020-02-27 2020-02-27 具有毫米波雷达的车用灯具系统
CN202010125062.0 2020-02-27

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Citations (7)

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Publication number Priority date Publication date Assignee Title
US20040012973A1 (en) * 2002-07-16 2004-01-22 Visteon Global Technologies, Inc. Vehicle lamp and vehicle illumination and data transmission system incorporating same
US20080158897A1 (en) * 2006-12-07 2008-07-03 Koito Manufacturing Co., Ltd. Vehicular lamp
US20080180965A1 (en) * 2007-01-31 2008-07-31 Koito Manufacturing Co., Ltd. Vehicular Lamp
EP2141048A1 (fr) * 2008-07-01 2010-01-06 Koito Manufacturing Co., Ltd Lampe de véhicule
US20110279304A1 (en) * 2010-05-11 2011-11-17 Electronic Navigation Research Institute, Independent Administrative Institution Millimeter wave radar-equipped headlamp
CN110715261A (zh) * 2018-07-11 2020-01-21 株式会社小糸制作所 车辆用灯具及车辆系统
CN211822190U (zh) * 2020-02-27 2020-10-30 南京深视光点科技有限公司 具有毫米波雷达的车用灯具系统

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040012973A1 (en) * 2002-07-16 2004-01-22 Visteon Global Technologies, Inc. Vehicle lamp and vehicle illumination and data transmission system incorporating same
US20080158897A1 (en) * 2006-12-07 2008-07-03 Koito Manufacturing Co., Ltd. Vehicular lamp
US20080180965A1 (en) * 2007-01-31 2008-07-31 Koito Manufacturing Co., Ltd. Vehicular Lamp
EP2141048A1 (fr) * 2008-07-01 2010-01-06 Koito Manufacturing Co., Ltd Lampe de véhicule
US20110279304A1 (en) * 2010-05-11 2011-11-17 Electronic Navigation Research Institute, Independent Administrative Institution Millimeter wave radar-equipped headlamp
CN110715261A (zh) * 2018-07-11 2020-01-21 株式会社小糸制作所 车辆用灯具及车辆系统
CN211822190U (zh) * 2020-02-27 2020-10-30 南京深视光点科技有限公司 具有毫米波雷达的车用灯具系统

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