WO2021134845A1 - 照明探测模组 - Google Patents

照明探测模组 Download PDF

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Publication number
WO2021134845A1
WO2021134845A1 PCT/CN2020/072955 CN2020072955W WO2021134845A1 WO 2021134845 A1 WO2021134845 A1 WO 2021134845A1 CN 2020072955 W CN2020072955 W CN 2020072955W WO 2021134845 A1 WO2021134845 A1 WO 2021134845A1
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WO
WIPO (PCT)
Prior art keywords
light
illumination
detection
fluorescent
module according
Prior art date
Application number
PCT/CN2020/072955
Other languages
English (en)
French (fr)
Inventor
戈斌
张韬
朱明华
郭田忠
Original Assignee
华域视觉科技(上海)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华域视觉科技(上海)有限公司 filed Critical 华域视觉科技(上海)有限公司
Priority to US16/763,019 priority Critical patent/US11398867B2/en
Publication of WO2021134845A1 publication Critical patent/WO2021134845A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/70—Prevention of harmful light leakage
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • 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
    • B60Q1/0017—Devices integrating an element dedicated to another function
    • B60Q1/0023—Devices integrating an element dedicated to another function the element being a sensor, e.g. distance sensor, camera
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
    • F21S41/13—Ultraviolet light; Infrared light
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/16—Laser light sources
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/176—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/10—Protection of lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/87—Organic material, e.g. filled polymer composites; Thermo-conductive additives or coatings therefor
    • 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

Definitions

  • the invention relates to the field of assisted driving of automobiles, in particular to an illumination detection module.
  • position detection devices such as lidar are usually installed on the roof or bumper of the vehicle.
  • lidar There are also plans to install lidar directly into the lights.
  • these plans have certain problems: installation on the roof will cause The appearance of the vehicle is not beautiful, and the close blind area near the vehicle is large; when installed in the bumper position, more wiring harnesses will be added near the engine compartment, and an additional cleaning system is required; the lidar is installed directly inside the car lights, It will cause the car lights to be bulky, and the heating of the equipment will bring additional heat dissipation burden to the car lights.
  • an illumination detection module is provided.
  • An illumination detection module includes:
  • the light source assembly is used to emit light for illumination and light for detection
  • An optical transmission component one end of which is connected to the light source assembly, and is used to transmit the illumination light and the detection light;
  • the lighting assembly is connected to the other end of the light transmission component, and is used to receive the illumination light transmitted by the light transmission component to provide illumination;
  • the optical detection and measurement component is connected to the other end of the optical transmission component, and is used to emit the detection light transmitted by the optical transmission component outwards, thereby detecting the position parameters of surrounding objects.
  • the lighting assembly includes:
  • the fluorescent component is arranged at the rear end of the mounting housing, and the fluorescent component is located on the optical path of the illumination light output by the light transmission component, and is used to emit visible light under the excitation of the illumination light;
  • a light-condensing unit arranged on one side of the fluorescent component, used for converging visible light to form an illuminating light beam and transmitting the illuminating light beam in the cavity;
  • the lens unit is arranged at the front end of the mounting housing, and is used to make the illumination beam form a light beam that is emitted outward at a certain angle.
  • the fluorescent component includes:
  • a radiator which is fixed to the rear end of the mounting housing
  • the fluorescent sheet is fixed on the heat sink and located on the optical path of the illumination light, the fluorescent sheet can receive and reflect the illumination light, and the surface of the fluorescent sheet faces the light collecting unit.
  • it further includes a light detection board, which is provided on the optical path of the illumination light reflected by the fluorescent sheet, and is used to detect the energy of the illumination light reflected by the fluorescent sheet.
  • the surface of the fluorescent sheet is covered with a sapphire sheet, and a heat dissipation glue is filled between the fluorescent sheet and the heat sink.
  • the fluorescent component includes:
  • the fluorescent sheet is located on the optical path of the illumination light; the fluorescent sheet can receive the illumination light and transmit the illumination light.
  • a sapphire layer is provided on both sides of the fluorescent sheet.
  • the optical detection and measurement assembly includes a transmitting module and a receiving module, and the transmitting module is connected to the other end of the optical transmission component for transmitting the detection of the optical transmission component.
  • the light is emitted outward, and the receiving module is used to receive the reflected light of the detection light.
  • the emitting module is arranged on the side of the lighting assembly, and the lens unit is provided with a uniform light area, and the uniform light area is used to transmit the detection device emitted by the transmitting module.
  • the light is homogenized into a beam with uniform light intensity distribution and a specific emission angle.
  • the uniform light zone is provided on a side edge of the lens unit or is provided around the lens unit.
  • the transmitting module is fixed to the inner wall of the mounting housing, and the transmitting module is separated from the illumination beam by a partition.
  • the emitting module includes an infrared laser or an infrared laser chip, and the infrared laser or infrared laser chip is fixed to the inner wall of the mounting housing through a fixing seat, and the fixing seat is provided with a space for separating The transmitting module and the partition of the illuminating light beam.
  • the light source assembly includes an illumination light source for emitting illumination light and a detection light source for emitting detection light.
  • the driver of the illumination light source can be modulated to generate a LiFi signal, and the LiFi signal is emitted by the illumination light source and can be received by the LiFi processing device.
  • control module further includes a control module, a LiFi processing device and a display system provided on other vehicles
  • the control module includes an input terminal and a control terminal, and the input terminal is used for connecting with the light detection and measurement component
  • the control terminal is connected to the driver of the illumination light source, and is used to control the illumination light source to emit the illumination light and the position parameter that can be received by the LiFi processing device through the driver.
  • LiFi signal the LiFi processing device can receive the LiFi signal and display the position parameter through the display system connected to the LiFi processing device.
  • the light transmission component includes an illumination guide fiber and a detection guide fiber
  • the illumination guide fiber is used to transmit the illumination light to the illumination assembly
  • the detection guide fiber is used to transmit the The detection light is transmitted to the light detection and measurement assembly.
  • Fig. 1 is a schematic structural diagram of an illumination detection module provided according to an embodiment
  • FIG. 2 is an exploded view of the lighting component and the light detection and measurement component in the lighting detection module of FIG. 1;
  • FIG. 3 is an internal structure diagram of the illumination component and the light detection and measurement component in the illumination detection module of FIG. 1;
  • FIG. 4 is a schematic diagram of illuminating light irradiating the fluorescent component in the lighting assembly in FIG. 3;
  • Fig. 5 is a schematic diagram of a fluorescent component provided in accordance with another embodiment and a light for illumination coordination
  • FIG. 6 is a schematic diagram of the transmission module and the lens unit in the illumination detection module of FIG. 1 being arranged in cooperation.
  • Optical transmission components 210, illuminating transmission fiber, 220, detection transmission fiber,
  • transmitter module 511, infrared laser, 512, fixed seat, 5121, partition,
  • the illumination light described herein refers to the light used for illumination emitted by the light source assembly.
  • the illumination light may specifically be laser light used to excite the fluorescent component to make the fluorescent component emit visible fluorescence, or It may be visible light directly used for illumination, such as white light.
  • an illumination detection module which includes a light source assembly 100, a light transmission component 200, an illumination component, and a light detection and measurement component.
  • the light source assembly 100 is used for emitting light for illumination and light for detection.
  • One end of the light transmission component 200 is connected to the light source assembly 100 for transmitting illumination light and detection light, and the lighting component is connected to the other end of the light transmission component 200 for receiving the illumination light transmitted by the light transmission component 200 to provide illumination.
  • the optical detection and measurement assembly is connected to the other end of the optical transmission component 200, and is used to emit the detection light transmitted by the optical transmission component 200 outward, so as to detect the position parameters of the object.
  • the light source assembly 100 is independent of the lighting component and the light detection and measurement component, and is connected to the lighting component and the light detection and measurement component through the light transmission component 200, so that the generated lighting light and detection light can pass through the light
  • the transmission component 200 is directly transmitted to the lighting assembly and the light detection and measurement assembly for providing illumination and detecting the position of the object, respectively.
  • the light source assembly 100 Since the light source assembly 100 is independent of the lighting components and light detection and measurement components, the light source assembly 100, which occupies a large volume and generates a large amount of heat, can be separated from other functional components, and the light source assembly 100 can be flexibly arranged in a place with good heat dissipation and ventilation conditions. This can quickly dissipate heat, such as inside the engine compartment of the vehicle, in the cockpit, etc., thereby helping to extend the service life of the entire equipment. In addition, because the light source assembly 100 is set independently, the light source assembly 100 can be placed in a location that is easy for personnel to reach during installation, which is not only convenient for installation, but also facilitates maintenance and replacement, and facilitates subsequent maintenance;
  • the larger light source assembly 100 is installed independently, and the light detection and measurement components are small in size and can be arranged adjacent to the lighting components, this facilitates the miniaturization of the entire module design.
  • the light detection and measurement components are combined with the lighting components. No extra space will be taken up after integration;
  • the light detection and measurement assembly can be integrated with the lighting assembly and arranged in the lamp installation position, which is beneficial to expand the detection angle and range and reduce the detection blind area;
  • the connection between the components, the light detection and measurement components and the light source assembly 100 is simple, does not require a large number of connecting wire harnesses, has a simple structure, saves installation space, and facilitates subsequent maintenance and repair.
  • the combination of light detection and measurement components and lighting components can be fixed inside the car lights to be protected without affecting the overall appearance of the vehicle. It is installed inside the car lights and will not be contaminated with dust.
  • the cleaning system can be shared with the car lights without additional configuration. .
  • the lighting assembly includes a mounting housing 310, a fluorescent member, a light concentrating unit 330 and a lens unit 340.
  • the mounting housing 310 forms a cavity penetrating back and forth.
  • the fluorescent member is arranged at the rear end of the mounting housing 310, and the fluorescent member is located on the optical path of the illumination light output by the light transmission member 200, and is used to emit visible light under the excitation of the illumination light.
  • the condensing unit 330 is arranged on one side of the fluorescent component, and is used to converge the visible light to form an illuminating beam and transmit the illuminating beam in the cavity.
  • the lens unit 340 is provided at the front end of the mounting housing 310 and is used to adjust the illumination beam so that it is emitted outward at a certain angle.
  • the condensing unit 330 may specifically select a reflector.
  • the illumination light is used as the excitation light.
  • a high-energy blue laser can be selected as the illumination light.
  • the illumination light (such as blue laser) transmitted to the illumination assembly through the light transmission component 200 can pass through the device.
  • the fluorescent component can undergo energy level transitions and emit visible fluorescence under the excitation of the illumination light.
  • the visible light is condensed by the condensing unit 330 to form a visible light beam and then passes through the lens unit 340 to the outside. Launch provides lighting.
  • the condensing unit 330 and the lens unit 340 converge the fluorescent light to form a visible light beam and adjust the visible light beam.
  • the mounting housing 310 provides a transmission space for the visible light beam; the visible fluorescent light emitted by the fluorescent component has a high brightness, and when needed In the case of the same lighting intensity, the energy consumption is less than the traditional lighting method, which saves the cost; and because the fluorescent components of different colors will emit different colors of light after being excited, the fluorescent components of different colors can be set according to the actual color requirements. Therefore, the light of the desired color can be excited, eliminating the need for pre-modulating the light source or replacing the light source assembly 100 of different types. It is more adaptable to different lighting requirements and makes the entire illumination detection module The structure is simplified and it is more convenient to use.
  • the fluorescent component includes a heat sink 321a and a fluorescent sheet 322a.
  • the radiator 321a is fixed to the rear end of the mounting housing 310.
  • the fluorescent sheet 322a is fixed to the heat sink 321a and is located on the optical path of the illumination light.
  • the fluorescent sheet 322a can receive and reflect the illumination light, and the surface of the fluorescent sheet 322a faces the condensing unit 330.
  • the illumination light 401a (such as a blue laser) transmitted by the light transmission component 200 can be emitted through a laser head 400a provided at the rear end of the mounting housing 310.
  • the laser head 400a contains optical components for distributing the illumination light
  • the light type is preliminarily shaped; the fluorescent sheet 322a is excited by the illumination light 401a irradiated on its surface to excite visible fluorescence, and the fluorescent light is directly condensed by the focusing unit 330 to form a visible light beam.
  • the illumination light 401a irradiated to the surface of the fluorescent sheet 322a can be simultaneously Reflected by the fluorescent sheet 322a; the radiator 321a provides installation space for the fluorescent sheet 322a, and at the same time can dissipate the heat generated during fluorescent emission in time to prevent excessive heat from damaging the entire device.
  • the fluorescent sheet 322a is attached to the surface of the heat sink 321a through the heat dissipation glue 323a, which can further improve the heat dissipation effect; and after the fluorescent sheet 322a is attached to the heat sink 321a, a fixing plate can be arranged around the fluorescent sheet 322a. Gold 326a to prevent the fluorescent sheet 322a from falling off.
  • the angle between the surface of the fluorescent sheet 322a and the illumination light 401a output by the light transmission member 200 is an acute angle, which can facilitate the direct reflection of the illumination light 401a outward.
  • the arrangement form of this embodiment can directly reflect the illumination light 401a, and the surface of the fluorescent sheet 322a faces the condensing unit 330, which is conducive to concentrating the fluorescence; the fluorescent sheet 322a is directly attached to the heat sink 321a to facilitate the timely dissipation of heat to ensure Fluorescence conversion efficiency.
  • it further includes a light detection plate 325a, which is provided on the optical path of the illumination light 401a reflected by the fluorescent sheet 322a, and is used to detect the energy of the illumination light 401a reflected by the fluorescent sheet 322a.
  • the illumination light 401a (such as blue laser) used as the excitation light usually has high energy.
  • the reflected illumination light 401a has a high energy, it will cause damage to human eyes, especially when the fluorescent sheet 322a fails.
  • the back lighting light 401a will be completely reflected by the fluorescent sheet 322a, and once it enters the human eye, it will directly cause blindness.
  • the light detection plate 325a can detect the energy of the illumination light 401a reflected by the fluorescent sheet 322a.
  • the light source assembly 100 can be turned off or the luminous power can be reduced to protect human eyes.
  • the light detection board 325a can be directly connected to the vehicle control component, and the energy value detected by the light detection board 325a can be directly It is fed back to the vehicle control component, and the vehicle control component determines that the detected energy value exceeds the internally set energy threshold automatically shuts down the light source assembly 100 or reduces the luminous power.
  • the surface of the fluorescent sheet 322a is covered with a sapphire sheet 324a, which can increase the light transmittance.
  • a sapphire sheet 324a which can increase the light transmittance.
  • the illumination light 401a as excitation light it is beneficial for the illumination light 401a as excitation light to pass through and contact with the fluorescent sheet 322a, and on the other hand, it is beneficial for the fluorescent sheet.
  • the fluorescence generated by 322a passes through and is directed to the light collecting unit 330.
  • the fluorescent member includes a fluorescent sheet 322b located on the optical path of the illumination light; the fluorescent sheet 322b can receive the illumination light and transmit the illumination light.
  • the illumination light 401b (such as a blue laser) transmitted by the light transmission member 200 can be emitted by the laser head 400b, and the fluorescent sheet 322b is excited by the illumination light 401b projected on its surface to emit fluorescence, and the illumination light 401b can directly pass through the fluorescent sheet 322b, so that the arrangement method of this embodiment can directly transmit the illumination light 401b, and the arrangement structure is simple.
  • the surface of the fluorescent sheet 322b is at right angles to the illumination light 401b output from the light transmission member 200, and the surface of the fluorescent sheet 322b is at right angles to the illumination light 401b output from the light transmission member 200, which is conducive to exhaustion. It is possible to receive more illumination light 401b as excitation light, and the excess illumination light 401b can directly pass through the fluorescent sheet 322b and be emitted outward.
  • a sapphire layer 324b is provided on both sides of the fluorescent sheet 322b.
  • the sapphire layer 324b is used for heat dissipation and can increase the transmittance of fluorescence.
  • the sapphire layer 324b is directly attached to the fluorescent sheet 322b, so that the heat generated when the fluorescent sheet 322b emits fluorescence can be dissipated in time to prevent excessive heat from damaging the entire device; at the same time, the sapphire layer 324b can increase the light transmittance.
  • the illumination light 401b as excitation light it is advantageous for the illumination light 401b as excitation light to pass through and contact with the fluorescent sheet 322b, and on the other hand, it is advantageous for the fluorescence generated by the fluorescent sheet 322b to pass through and radiate to the light condensing unit 330.
  • the lighting assembly may be a reflective condenser lens arranged on the optical path of the illumination light output by the light transmission component 200.
  • the visible light is directly selected as the illumination light, and the visible light is collected from the reflection. After passing through the optical lens, it is directly emitted outward to provide illumination, which is not limited by the present invention.
  • the optical detection and measurement assembly includes a transmitting module 510 and a receiving module 520.
  • the transmitting module 510 is connected to the other end of the optical transmission component 200 for transmitting the detection light transmitted by the optical transmission component 200. Transmit outward, and the receiving module 520 is used to receive the reflected light of the detection light.
  • the detection light emitted from the transmitting module 510 can be reflected by the surface of the object when it encounters the object. After the reflected light is received by the receiving module 520, it can be determined according to the incident angle of the received reflected light that the object is relative to the light detection and The position of the measuring component can be calculated based on the time interval between receiving the reflected light and emitting the detection light to obtain the distance between the object and the light detection and measurement component.
  • the above description is the method of using the principle of light reflection to detect the orientation of surrounding objects.
  • the orientation of surrounding objects can also be detected by detecting other parameters of the optical feedback for detection, which are all protected by the present invention. range.
  • the emitting module 510 is arranged on the side of the lighting assembly, and the lens unit 340 is provided with a homogenizing area 341 for homogenizing the detection light emitted by the emitting module 510 into a beam of uniform light intensity distribution. And launch at a specific launch angle.
  • the uniform light area 341 may be a microstructure separately processed on the surface of the lens unit 340.
  • the detection light such as an infrared laser
  • the microstructure can perform optical shaping on the detection light, so that the lens
  • the light passing through the unit 340 forms an area array laser surface with uniform light intensity distribution and a specific field of view, so as to achieve the purpose of adjusting the optical path of the detection light.
  • the emission module 510 can be arranged on one side of the lighting assembly or around the lighting assembly. Since the emission module 510 and the lighting assembly use the same lens unit 340 for light adjustment, the use of one lens unit 340 is compatible with lighting and detection functions. It can save the cost of component manufacturing, and the structure is more compact after the combination.
  • the uniform light region 341 is provided on a side edge of the lens unit 340 or is provided around the lens unit 340.
  • the transmitting module 510 is also arranged close to the side of the lens unit 340 or around the lens unit 340, which facilitates the miniaturization and intensive design of the entire device.
  • the transmitting module 510 is fixed to the inner wall of the mounting housing 310, and the transmitting module 510 is separated from the illumination beam by a partition.
  • the partition provided separates the emission module 510 and the illumination beam, and the detection light emitted by the emission module 510 and the illumination beam do not interfere with each other, thereby preventing mutual interference of optical signals and reducing the use effect.
  • the transmitting module 510 includes one or more infrared lasers 511, the infrared laser 511 is fixed to the inner wall of the mounting housing 310 through a fixing seat 512, and the fixing seat 512 is provided with a device for separating the transmitting module 510 from The partition 5121 of the illuminating beam.
  • a plurality of infrared lasers 511 are respectively fixed on the fixing base 512, and then the fixing base 512 is inserted into the mounting housing 310 from the rear end of the mounting housing 310, and the front end of the infrared laser 511 faces the lens unit 340.
  • the infrared laser emitted by the infrared laser 511 passes through the lens unit 340 after homogenization adjustment in the homogenization zone 341 and is uniformly emitted; the partition 5121 separates the infrared laser 511 from the illumination beam, thereby reducing the infrared laser
  • the probability of interference between the infrared laser emitted by 511 and the illumination beam is conducive to improving the use effect.
  • the infrared laser 511 can be used in conjunction with the receiving module 520 such as an infrared receiver.
  • the receiving module 520 is arranged on the side of the mounting housing 310. With this arrangement, the receiving module 520 is adjacent to the lighting assembly, which facilitates the miniaturization and intensive design of the entire device.
  • the infrared laser 511 emits infrared lasers to realize infrared array detection, and the infrared receiver performs detection by receiving the reflected light of the infrared array laser, which constitutes a flash LiDAR (flood-light array lidar), and the emitted infrared laser can be light.
  • Pulse can also be continuous wave. When transmitting light pulses, the pulse width of the pulse can be specially modulated, which can ensure that the devices do not interfere with each other when multiple infrared lasers 511 are running at the same time.
  • the infrared laser emitted by the infrared laser 511 can have a variety of wavelengths, preferably 905nm, 940nm or 1550nm. After testing, 905nm and 940nm are used.
  • the infrared laser of this wavelength is located in the weak part of the energy distribution of each wavelength of the sunlight, which can increase the signal-to-noise of the system.
  • the advantage of using 1550nm is not only that it is located in the weaker part of the solar wavelength energy distribution, but also that it is safer for the human eye, which can further increase the power output of the transmitter and achieve a longer detection range.
  • the optical detection and measurement components can also adopt other radar technology solutions, such as MEMS scanning lidar, mechanical galvanometer scanning lidar, OPA optical phased array lidar, etc., which are not limited here. .
  • the light source assembly 100 includes an illumination light source for emitting illumination light and a detection light source for emitting detection light.
  • the light source assembly 100 may also be provided with a heat dissipation device 110, such as an air-cooled radiator or a water-cooled radiator, so as to dissipate heat from the light source assembly 100 in an air-cooled or water-cooled manner.
  • the illumination detection model of the present invention can be directly installed in front of the car to assist driving. However, if the vehicle in front can also know in advance and take timely measures before the collision, it will further reduce the probability of traffic accidents, but there is no way to forward the hazard information.
  • Car transmission when the level of autonomous driving is high, the current car networking that relies on 5G or WiFi is suitable for data interaction in the transmission area, but cannot achieve high-speed private information transmission between specific vehicles, for example, it cannot be between moving vehicles Promptly transmit information about danger calls for help, road conditions, etc. Therefore, in some embodiments, the driver of the illumination light source can be modulated to generate a LiFi signal, and the LiFi signal is emitted by the illumination light source and can be received by the LiFi processing device (visible light receiver).
  • the driving signal can be input to the driver of the illuminating light source through the vehicle console, and the driver of the illuminating light source is modulated to generate a LiFi signal.
  • the LiFi signal is emitted by the illuminating light source and can be installed at the rear of the preceding vehicle.
  • the visible light receiver receives the LiFi signal. After the current car receives the LiFi signal, it can make subsequent decisions based on different signal content.
  • the signal content can be a warning message that is too close, or it can be private information.
  • the driver of the lighting light source can be modulated to generate LiFi signals, and the LiFi function is integrated into the lighting function, and warning information can be sent to the preceding vehicle according to specific needs, thereby providing a way to transmit warning information.
  • the vehicle's data can be sent to vehicles that can be illuminated by the lighting detection module, such as dangerous distress information, entertainment information sharing, road condition information, etc., to achieve private information between the two vehicles Shared transmission, therefore, the significance of using LiFi transmission lies in private information sharing.
  • the vehicle can be used as a mobile data base station to share real-time information such as road conditions, location, weather, and emergency conditions with nearby vehicles. Using LiFi to transmit V2V or V2X information has better privacy than other methods and is not easy to be stolen.
  • the lighting detection module further integrates the communication function, increases the overall functionality and value, and is more conducive to catering to consumer needs and market promotion.
  • the distance parameter between the vehicle and the vehicle detected by the light detection and measurement component can be directly fed back to the vehicle to assist driving, but in the use environment with a lower level of automatic driving, when a potential rear-end collision occurs In this situation, the driver does not have a good way to accurately know the distance information between the vehicle and a specific vehicle. Therefore, in some embodiments, it also includes a control module, a LiFi processing device and a display system installed on other vehicles.
  • the control module includes an input terminal and a control terminal. The input terminal is connected with the light detection and measurement component for receiving position parameters.
  • the control terminal is connected to the driver of the lighting light source, which is used to control the lighting light source to emit lighting light and the LiFi signal containing the position parameter that can be received by the LiFi processing device.
  • the LiFi processing device can receive the LiFi signal and pass the position parameter to the LiFi
  • the display system connected to the processing device is displayed.
  • the light detection and measurement component detects the position parameter of the vehicle ahead and transmits it to the control module.
  • the control module transmits the position parameter information to the driver of the lighting light source.
  • the driver of the lighting light source modulates to generate a LiFi signal.
  • the LiFi signal is sent by the lighting light source and can be transmitted.
  • Received by the LiFi processing device installed at the rear of the vehicle in front the LiFi processing device can directly display the position parameters (vehicle distance, relative speed, etc.) in the signal through a display system (such as a display screen) located at the rear of the vehicle in front, which is convenient for the vehicle The driver accurately knows the distance information from the vehicle in front.
  • a display system such as a display screen
  • the driver of the vehicle provides a good way to know the distance information with the vehicle in front, especially when there are many vehicles near the vehicle, the driver of the vehicle can understand the distance between the vehicle and the vehicle in real time.
  • necessary measures such as slowing down and changing lanes or adjusting the driving direction can be taken in time to avoid vehicles that are closer to avoid accidents, which further reduces the probability of accidents.
  • the light transmission component 200 includes an illumination guide fiber 210 and a detection guide fiber 220.
  • the illumination guide fiber 210 is used to transmit the illumination light to the lighting assembly
  • the detection guide fiber 220 is used to transmit the detection light. Transmitted to the optical detection and measurement component.
  • the two ends of the illuminating conductive fiber 210 can be coupled to the illuminating component and the illuminating light source in the light source assembly 100, respectively, to transmit the illumination light; the two ends of the detecting conductive fiber 220 can be connected to the light detection and measurement component, and the light source respectively.
  • the detection light source in the component 100 is coupled to transmit the detection light.
  • the optical transmission component 200 only includes one optical fiber, and multiple optical fibers arranged side by side in the optical fiber can be used to transmit illumination light and detection light respectively, which is not limited here.

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Abstract

照明探测模组，包括：光源总成(100)，用于发出照明用光及探测用光；光传输部件(200)，一端与光源总成(100)连接，用于传输照明用光及探测用光；照明组件，与光传输部件(200)的另一端相连接，用于接收光传输部件(200)传输的照明用光以提供照明；光探测与测量组件，与光传输部件(200)的另一端相连接，用于将光传输部件(200)传输的探测用光向外发射，从而探测得出周围物体的位置参数。

Description

照明探测模组 技术领域
本发明涉及汽车辅助驾驶领域，特别是涉及照明探测模组。
背景技术
随着智能时代的来临，智能驾驶技术得到了日益深入的研究。为了辅助驾驶，需要在车辆上安装位置探测装置用于探测得知车辆与周边物体之间的位置关系，例如激光雷达。位置探测装置大多将探测到的物体与车辆本身之间的距离参数直接反馈至本车以辅助驾驶，从而避免碰撞事故的发生。
实际安装时，位置探测装置如激光雷达通常安装在车辆车顶或保险杠位置，也有将激光雷达直接安装到车灯内部的方案，但是这些方案均有一定的问题：安装于车顶，会造成车辆外观的不美观，并且车辆附近的近距离盲区较大；安装在保险杠位置，在发动机舱附近会额外增加较多线束，并且需要额外配置清洗***；将激光雷达直接安装在车灯内部，会造成车灯体积的庞大，并且设备工作发热会为车灯带来额外的散热负担。
发明内容
根据本申请的各种实施例，提供一种照明探测模组。
一种照明探测模组，包括：
光源总成，用于发出照明用光及探测用光；
光传输部件，一端与所述光源总成连接，用于传输所述照明用光及所述探测用光；
照明组件，与所述光传输部件的另一端相连接，用于接收所述光传输部件传输的所述照明用光以提供照明；及
光探测与测量组件，与所述光传输部件的另一端相连接，用于将所述光传输部件传输的所述探测用光向外发射，从而探测得出周围物体的位置参数。
在其中一个实施例中，所述照明组件包括：
安装壳体，形成前后贯通的空腔；
荧光部件，设于所述安装壳体后端，且所述荧光部件位于所述光传输部件输出的照明用光的光路上，用于在所述照明用光的激发下发射出可见光；
聚光单元，设于所述荧光部件一侧，用于汇聚可见光形成照明光束并使所述照明光束在所述空腔内传输；
透镜单元，设于所述安装壳体前端，用于使所述照明光束形成以一定角度向外发射的光线。
在其中一个实施例中，所述荧光部件包括：
散热器，固定于所述安装壳体后端；
荧光片，固定于所述散热器且位于所述照明用光的光路上，所述荧光片可接收并反射所述照明用光，所述荧光片的表面朝向所述聚光单元。
在其中一个实施例中，还包括光检测板，设于被所述荧光片反射的所述照明用光的光路上，用于检测被所述荧光片反射的所述照明用光的能量。
在其中一个实施例中，所述荧光片表面覆盖蓝宝石片，且所述荧光片与所述散热器之间填充有散热胶。
在其中一个实施例中，所述荧光部件包括：
荧光片，位于所述照明用光的光路上；所述荧光片可接收所述照明用光并使所述照明用光透过。
在其中一个实施例中，所述荧光片两侧设有蓝宝石层。
在其中一个实施例中，所述光探测与测量组件包括发射模块和接收模块，所述发射模块与所述光传输部件的另一端相连接，用于将所述光传输部件传输的所述探测用光向外发射，所述接收模块用于接收所述探测用光的反射光。
在其中一个实施例中，所述发射模块设于所述照明组件侧边，且所述透镜单元上设有匀光区，所述匀光区用于将所述发射模块发射的所述探测用光匀化成光强分布均匀并具有特定的发射角的光束。
在其中一个实施例中，所述匀光区设于所述透镜单元一侧边缘或环绕所述透镜单元设置。
在其中一个实施例中，所述发射模块固定于所述安装壳体内壁，且所述发射模块通过隔断与所述照明光束隔开。
在其中一个实施例中，所述发射模块包括红外激光器或红外激光芯片，所述红外激光器或红外激光芯片通过固定座固定于所述安装壳体内壁，所述固定座上设有用于隔开所述发射模块与所述照明光束的隔板。
在其中一个实施例中，所述光源总成包括用于发出照明用光的照明光源及用于发出探测用光的探测光源。
在其中一个实施例中，所述照明光源的驱动器可调制生成LiFi信号，所述LiFi信号通过所述照明光源发出且可被LiFi处理装置接收。
在其中一个实施例中，还包括控制模块、设于其他车辆上的LiFi处理装置及显示***，所述控制模块包括输入端和控制端，所述输入端与所述光探测与测量组件连接用于接收位置参数，所述控制端与所述照明光源的驱动器连接，用于通过所述驱动器控制所述照明光源发出所述照明用光及可被LiFi处理装置接收的载有位置参数的所述LiFi信号，所述LiFi处理装置可接收 所述LiFi信号并将位置参数通过与所述LiFi处理装置连接的所述显示***中显示出来。
在其中一个实施例中，所述光传输部件包括照明传导光纤和探测传导光纤，所述照明传导光纤用于将所述照明用光传输至所述照明组件，所述探测传导光纤用于将所述探测用光传输至所述光探测与测量组件。
本发明的一个或多个实施例的细节在下面的附图和描述中提出。本发明的其它特征、目的和优点将从说明书、附图以及权利要求书变得明显。
附图说明
为了更好地描述和说明这里公开的发明的实施例和/或示例，可以参考一幅或多幅附图。用于描述附图的附加细节或示例不应当被认为是对所公开的发明、目前描述的实施例和/或示例以及目前理解的这些发明的最佳模式中的任何一者的范围的限制。
图1为根据一实施例提供的照明探测模组结构示意图；
图2为图1的照明探测模组中的照明组件及光探测与测量组件的***图；
图3为图1的照明探测模组中的照明组件及光探测与测量组件的内部结构图；
图4为照明用光照射到图3中的照明组件内的荧光部件的示意图；
图5为根据另一实施例提供的荧光部件与照明用光配合的示意图；
图6为图1的照明探测模组中的发射模块与透镜单元配合设置的示意图。
图中，100、光源总成，110、散热装置，
200、光传输部件，210、照明传导光纤，220、探测传导光纤，
310、安装壳体，330、聚光单元，340、透镜单元，341、匀光区，
321a、散热器，322a、荧光片，323a、散热胶，324a、蓝宝石片，325a、光检测板，326a、固定钣金，400a、激光头，401a、照明用光，
322b、荧光片，324b、蓝宝石层，400b、激光头，401b、照明用光，
510、发射模块，511、红外激光器，512、固定座，5121、隔板，
520、接收模块。
具体实施方式
下面结合附图对本发明作进一步说明。
为了便于理解本发明，下面将参照相关附图对本发明进行更全面的描述。附图中给出了本发明的较佳实施例。但是，本发明可以以许多不同的形式来实现，并不限于本文所描述的实施例。本领域普通技术人员将认识到，在不背离由随附的权利要求所限定的本发明的范围的情况下，可以对本文所描述的各种实施例作出变化和改进。此外，为了清楚和简洁起见，可能省略对熟知的功能和构造的描述。
应当理解的是，当元件被称为“固定于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件；当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。
本文所描述的照明用光是指光源总成所发出的用于照明的光线，在不同的实施例中，照明用光具体可以是用于激发荧光部件使荧光部件发射出可见 荧光的激光，也可以是直接用于照明的可见光例如白光。
如图1所示，本发明一实施例中，提供一种照明探测模组，包括光源总成100、光传输部件200、照明组件和光探测与测量组件。光源总成100用于发出照明用光及探测用光。光传输部件200一端与光源总成100连接，用于传输照明用光及探测用光，照明组件与光传输部件200的另一端相连接，用于接收光传输部件200传输的照明用光以提供照明。光探测与测量组件与光传输部件200的另一端相连接，用于将光传输部件200传输的探测用光向外发射，从而探测得出物体的位置参数。
上述实施例中，光源总成100独立于照明组件及光探测与测量组件，并通过光传输部件200与照明组件及光探测与测量组件连接，可将产生的照明用光及探测用光通过光传输部件200直接传输至照明组件及光探测与测量组件，分别用于提供照明和探测物***置。
由于光源总成100独立于照明组件和光探测与测量组件，可将占据体积以及发热量较为巨大的光源总成100与其他功能组件分开，将光源总成100灵活布置于散热通风条件较好的地方即可快速散热，例如车辆的发动机舱内部、驾驶舱内等位置，从而有利于延长设备整体的使用寿命。并且，由于光源总成100独立设置，在安装时可以将光源总成100设于人员容易触及的位置，不仅安装方便，同时也利于维修与更换，为后续的维护提供便利；
由于体积较大的光源总成100被独立安装，而光探测与测量组件的体积较小、可以邻近照明组件布置，从而有利于模组整体的小型化设计，将光探测与测量组件与照明组件集成一体后不会占用多余的空间；
由于体积较大的光源总成100被独立设置且散热问题得到了解决，因此光探测与测量组件可与照明组件集成布置于车灯安装位，有利于扩大探测角 度和范围和缩小探测盲区；照明组件、光探测与测量组件与光源总成100的连接方式简单，不需要布置大量的连接线束，结构简洁、节约了安装空间，方便了后期维护和检修。
光探测与测量组件与照明组件结合后可固定于车灯内部被保护起来，不影响车辆的整体外观，设在车灯内部也不会沾染灰尘，可以与车灯共用清洗***，不需要额外配置。
参考图2和图3，在一些实施例中，照明组件包括安装壳体310、荧光部件、聚光单元330和透镜单元340。安装壳体310形成前后贯通的空腔。荧光部件设于安装壳体310后端，且荧光部件位于光传输部件200输出的照明用光的光路上，用于在照明用光的激发下发射出可见光。聚光单元330设于荧光部件一侧，用于汇聚可见光形成照明光束并使照明光束在空腔内传输。透镜单元340设于安装壳体310前端，用于调节照明光束从而使其以一定角度向外发射。
聚光单元330具体可以选择反射镜。本实施例中以照明用光作为激发光，例如照明用光可选用高能量的蓝色激光，具体的，经光传输部件200传输至照明组件的照明用光(如蓝色激光)可通过设于安装壳体310后端的激光头发出，荧光部件在照明用光的激发下可发生能级跃迁并发出可见的荧光，可见光经聚光单元330汇聚形成可见光束后从透镜单元340穿过向外发射提供照明。
本实施例中，聚光单元330和透镜单元340汇聚荧光形成可见光束并对可见光束进行调节，安装壳体310为可见光束提供了传输的空间；荧光部件发出的可见荧光照明亮度高，在需要同等照明强度的情况下，能耗比传统的照明方式少，节省了成本；且由于不同颜色的荧光部件被激发后会发射不同 颜色的光，因此可根据实际发光颜色需求设置不同颜色的荧光部件，从而可以被激发出所需颜色的光，省去了对光源预先进行调制处理或更换不同种类的光源总成100的麻烦，对不同发光需求的适应性更强，也使整个照明探测模组的结构简单化，使用更方便。
参考图3和图4，在一些实施例中，荧光部件包括散热器321a和荧光片322a。散热器321a固定于安装壳体310后端。荧光片322a固定于散热器321a且位于照明用光的光路上，荧光片322a可接收并反射照明用光，荧光片322a的表面朝向聚光单元330。
具体的，光传输部件200所传输的照明用光401a(如蓝色激光)可通过设于安装壳体310后端的激光头400a发出，激光头400a内部包含有光学组件，用于将照明用光光型做初步整形；荧光片322a被照射到其表面的照明用光401a激发出可见的荧光，荧光直接被聚光单元330汇聚形成可见光束，照射到荧光片322a表面的照明用光401a可同时被荧光片322a反射；散热器321a为荧光片322a提供了安装空间，同时可将荧光发射时产生的热量及时发散出去，避免热量过高损坏整个设备。
在一个或多个实施例中，荧光片322a通过散热胶323a贴附于散热器321a表面，可进一步提升散热效果；且荧光片322a贴附于散热器321a后可在荧光片322a周围设置固定钣金326a以防止荧光片322a脱落。
在一个或多个实施例中，荧光片322a的表面与光传输部件200输出的照明用光401a的夹角为锐角，可方便将照明用光401a直接向外反射出去。
采用本实施例的设置形式可直接反射照明用光401a，荧光片322a的表面朝向聚光单元330，有利于汇聚荧光；荧光片322a直接与散热器321a贴合，方便热量及时发散出去，以保证荧光转换效率。
在一个或多个实施例中，还包括光检测板325a，设于被荧光片322a反射的照明用光401a的光路上，用于检测被荧光片322a反射的照明用光401a的能量。这是因为作为激发光的照明用光401a(比如蓝色激光)通常具有较高的能量，当被反射的照明用光401a能量较高时会对人眼造成损伤，特别是当荧光片322a失效后照明用光401a会被荧光片322a全部反射出去，一旦射入人眼会直接导致失明，而利用光检测板325a可检测被荧光片322a反射的照明用光401a的能量，当检测到的光的能量较大时可关闭光源总成100或降低发光功率以保护人眼安全，具体使用时，可将光检测板325a直接与车辆控制部件相连接，光检测板325a检测到的能量值可直接反馈至车辆控制部件，车辆控制部件判断检测到的能量值超过内部设置的能量阈值时自动关闭光源总成100或调低发光功率。
进一步的，荧光片322a表面覆盖蓝宝石片324a，蓝宝石片324a可以增加光线透过率，一方面有利于作为激发光的照明用光401a透过并与荧光片322a接触，另一方面有利于荧光片322a产生的荧光透过并射向聚光单元330。
参考图5，在一些实施例中，荧光部件包括荧光片322b，位于照明用光的光路上；荧光片322b可接收照明用光并使照明用光透过。
具体的，光传输部件200所传输的照明用光401b(如蓝色激光)可通过激光头400b发出，荧光片322b被射到其表面的照明用光401b激发后发射出荧光，且照明用光401b可直接穿过荧光片322b，从而采用本实施例的设置方式可直接透射照明用光401b，设置结构简单。在一个或多个实施例中，荧光片322b的表面与光传输部件200输出的照明用光401b成直角，荧光片322b的表面与光传输部件200输出的照明用光401b成直角，有利于尽可能多的接收作为激发光的照明用光401b，多余的照明用光401b可直接穿过荧光片322b 向外发射。
荧光片322b两侧设有蓝宝石层324b，蓝宝石层324b用于散热且可增加荧光的透过率。具体的，蓝宝石层324b直接与荧光片322b贴合，可将荧光片322b发射荧光时产生的热量及时发散出去，避免热量过高损坏整个设备；同时，蓝宝石层324b可以增加光线透过率，一方面有利于作为激发光的照明用光401b透过并与荧光片322b接触，另一方面有利于荧光片322b产生的荧光透过并射向聚光单元330。
可以理解的是，在其他的一些实施例中，照明组件可以是设于光传输部件200输出的照明用光的光路上的反射聚光透镜，此时照明用光直接选用可见光，可见光从反射聚光透镜中穿过后直接向外发射提供照明，本发明对此不作限制。
参考图3，在一些实施例中，光探测与测量组件包括发射模块510和接收模块520，发射模块510与光传输部件200的另一端相连接，用于将光传输部件200传输的探测用光向外发射，接收模块520用于接收探测用光的反射光。
具体的，发射模块510向外发射的探测用光遇到物体时可被物体表面反射，反射光被接收模块520接收后，根据接收到的反射光的入射角度可判断出物体相对于光探测与测量组件的方位，根据接收反射光与发射探测用光之间的时间间隔可计算得出物体与光探测与测量组件之间的距离。以上描述的是利用光反射原理探测得到周围物体方位的方法，当然，在其他一些实施例中，还可通过检测探测用光反馈的其他参数探测得知周围物体的方位，皆在本发明的保护范围。
参考图3，在一些实施例中，发射模块510设于照明组件侧边，且透镜 单元340上设有匀光区341用于使发射模块510发射的探测用光匀化成光强分布均匀的光束并以特定的发射角发射出去。具体的，匀光区341可以是在透镜单元340表面单独加工的微结构，探测用光(如红外激光)进入透镜单元340时，该微结构可对探测用光进行光型整形，使从透镜单元340穿出的光线形成光强分布均匀并带有特定视场角的面阵激光面，从而达到对探测用光的光路进行调节的目的。发射模块510可设于照明组件一侧侧边或设于照明组件周围，由于发射模块510与照明组件采用同一个透镜单元340进行光线的调节，从而利用一个透镜单元340可兼容照明和探测功能，可节省元件制造成本，结构组合后更加紧凑。
在一些实施例中，匀光区341设于透镜单元340一侧边缘或环绕透镜单元340设置。采用该设置后，发射模块510也靠近透镜单元340侧边或环绕透镜单元340设置，有利于设备整体的小型化和集约化设计。
参考图3，在一些实施例中，发射模块510固定于安装壳体310内壁，且发射模块510通过隔断与照明光束隔开。本实施例，设置的隔断隔开了发射模块510与照明光束，发射模块510发射的探测用光与照明光束相互不干涉，从而可防止光信号的相互干扰降低使用效果。
参考图3，在一些实施例中，发射模块510包括一个或多个红外激光器511，红外激光器511通过固定座512固定于安装壳体310内壁，固定座512上设有用于隔开发射模块510与照明光束的隔板5121。如图6所示，多个红外激光器511分别固定于固定座512上，再将固定座512从安装壳体310后端置入安装壳体310内，红外激光器511的前端朝向透镜单元340上的匀光区341，红外激光器511发射的红外激光经匀光区341匀光调节后从透镜单元340穿过并均匀发射出；隔板5121隔开了红外激光器511与照明光束，从 而降低了红外激光器511发射的红外激光与照明光束相互干涉的概率，有利于提升使用效果。
红外激光器511可与接收模块520例如红外接收器配合使用。在一个或多个实施例中，接收模块520设于安装壳体310一侧，采用该设置后，接收模块520与照明组件邻近，有利于设备整体的小型化和集约化设计。红外激光器511发射红外激光可以实现红外面阵探测，红外接收器通过接收红外面阵激光的反射光进行探测工作，即组成flash LiDAR(泛光面阵式激光雷达)，发射的红外激光可以是光脉冲，也可以是连续波。发射光脉冲时,可对于脉冲的脉宽进行特殊的调制，可保证在多台红外激光器511同时运行的情况下设备之间不互相干扰。
红外激光器511发射的红外激光波长可有多种，优选905nm、940nm或1550nm，经试验，采用905nm和940nm，这个波长的红外激光位于太阳光各波长能量分布的薄弱部分，可以增加***的信噪比；采用1550nm的优势不仅在于其位于太阳光波长能量分布更弱的部分，更在于其对于人眼更加安全，可以进一步提升发射端的功率输出，达到更远的探测距离。
可以理解的是，在其他一些实施例中，光探测与测量组件还可采用其他雷达技术方案例如MEMS扫描激光雷达、机械振镜扫描激光雷达、OPA光学相控阵激光雷达等，此处不作限制。
在一些实施例中，光源总成100包括用于发出照明用光的照明光源及用于发出探测用光的探测光源。在光源总成100上还可以设置散热装置110，例如风冷散热器或水冷散热器，从而采用风冷或水冷的方式为光源总成100散热。
当前车辆上安装的一些位置探测装置如雷达等大多将探测到的物体与安 装雷达车辆本身之间的距离参数直接反馈至本车以辅助驾驶，避免碰撞事故的发生，因此本发明的照明探测模组可直接安装于车头前方用于辅助驾驶，然而在碰撞事故发生之前如果前方的车辆也能提前知晓并及时采取措施，会进一步降低交通事故发生的概率，但是目前还没有途径将危险信息向前车发送；此外，当自动驾驶级别较高时，目前依赖于5G或WiFi的车联网适合发面积的数据交互，但是无法实现特定车辆之间的高速私密信息传输，例如无法在行驶的车辆之间及时传递危险求救信息、路况信息等等。因此，在一些实施例中，照明光源的驱动器可调制生成LiFi信号，LiFi信号通过照明光源发出且可被LiFi处理装置(可见光接收器)接收。
具体的，当车辆与前车的距离较近时，可通过车辆控制台向照明光源的驱动器输入驱动信号，照明光源的驱动器调制生成LiFi信号，LiFi信号通过照明光源发出并可被前车尾部安装的可见光接收器接收，当前车接收到LiFi信号后，可根据不同的信号内容进行后续决策，信号内容可以是距离过近的警告信息，也可以是私密信息。本实施例中，照明光源的驱动器可调制生成LiFi信号，在照明功能中融合了LiFi功能，根据具体需要可向前车发送警告信息，从而提供了一条传递警告信息的途径、前车了解情况后可以及时采取措施以避免事故发生；本车的数据可以发送到照明探测模组所能够照射到的车辆，如危险求救信息、娱乐信息共享、路况信息等等，实现了两车之间私密信息的共享传输，因此采用LiFi传输的意义还在于私密信息共享，可将车辆作为移动的数据基站向附近的车辆共享路况、位置、天气、紧急状况等实时信息。采用LiFi的方式传递V2V或V2X信息，较之其他手段拥有更好的私密性，不易被窃取隐私。
本实施例使照明探测模组进一步整合了通讯的功能，增加了整体的功能 性和价值，更有利于迎合消费者需求和市场推广。
在车辆的自动驾驶中，光探测与测量组件探测到的车辆与本车之间的距离参数可直接反馈至本车以辅助驾驶，但是在自动驾驶级别较低的使用环境下，当发生潜在追尾情况时，驾驶员并没有很好的途径准确得知本车与某特定车辆之间的距离信息。因此，在一些实施例中，还包括控制模块、设于其他车辆上的LiFi处理装置及显示***，控制模块包括输入端和控制端，输入端与光探测与测量组件连接用于接收位置参数，控制端与照明光源的驱动器连接，用于通过驱动器控制照明光源发出照明用光及可被LiFi处理装置接收的载有位置参数的LiFi信号，LiFi处理装置可接收LiFi信号并将位置参数通过与LiFi处理装置连接的显示***显示出来。
具体的，光探测与测量组件探测到前方车辆的位置参数传输至控制模块，控制模块将位置参数信息传输至照明光源的驱动器，照明光源的驱动器调制生成LiFi信号，LiFi信号通过照明光源发出并可被前车尾部安装的LiFi处理装置接收，LiFi处理装置将信号中的位置参数(车距、相对车速等)通过设于前车尾部的显示***(如显示屏)可直接显示出来，方便本车驾驶员准确得知与前车之间的距离信息。本实施例中，为本车驾驶员得知与前车之间的距离信息提供了很好的途径，尤其是在本车附近的车辆较多时，本车驾驶员可实时了解与各个车辆之间的距离信息，当发生潜在追尾情况时，可以视情况及时采取必要的措施如减速变道或调节驾驶方向等避开距离较近的车辆以避免事故发生，进一步降低了事故发生的概率。
参考图2，在一些实施例中，光传输部件200包括照明传导光纤210和探测传导光纤220，照明传导光纤210用于将照明用光传输至照明组件，探测传导光纤220用于将探测用光传输至光探测与测量组件。具体的，照明传 导光纤210两端可分别与照明组件、光源总成100中的照明光源相耦合，用于传输照明用光；探测传导光纤220两端可分别与光探测与测量组件、光源总成100中的探测光源相耦合，用于传输探测用光。在其他一些实施例中，光传输部件200只包括一根光纤，利用光纤中并列设置的多根光导纤维可分别用于传输照明用光及探测用光，此处不作限制。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (16)

  1. 一种照明探测模组，包括：
    光源总成，用于发出照明用光及探测用光；
    光传输部件，一端与所述光源总成连接，用于传输所述照明用光及所述探测用光；
    照明组件，与所述光传输部件的另一端相连接，用于接收所述光传输部件传输的所述照明用光以提供照明；及
    光探测与测量组件，与所述光传输部件的另一端相连接，用于将所述光传输部件传输的所述探测用光向外发射，从而探测得出周围物体的位置参数。
  2. 根据权利要求1所述的照明探测模组，其特征在于，所述照明组件包括：
    安装壳体，形成前后贯通的空腔；
    荧光部件，设于所述安装壳体后端，且所述荧光部件位于所述光传输部件输出的照明用光的光路上，用于在所述照明用光的激发下发射出可见光；
    聚光单元，设于所述荧光部件一侧，用于汇聚可见光形成照明光束并使所述照明光束在所述空腔内传输；
    透镜单元，设于所述安装壳体前端，用于使所述照明光束形成以一定角度向外发射的光线。
  3. 根据权利要求2所述的照明探测模组，其特征在于，所述荧光部件包括：
    散热器，固定于所述安装壳体后端；
    荧光片，固定于所述散热器且位于所述照明用光的光路上，所述荧光片可接收并反射所述照明用光，所述荧光片的表面朝向所述聚光单元。
  4. 根据权利要求3所述的照明探测模组，其特征在于，还包括光检测板，设于被所述荧光片反射的所述照明用光的光路上，用于检测被所述荧光片反射的所述照明用光的能量。
  5. 根据权利要求3所述的照明探测模组，其特征在于，所述荧光片表面覆盖蓝宝石片，且所述荧光片与所述散热器之间填充有散热胶。
  6. 根据权利要求2所述的照明探测模组，其特征在于，所述荧光部件包括：
    荧光片，位于所述照明用光的光路上；所述荧光片可接收所述照明用光并使所述照明用光透过。
  7. 根据权利要求6所述的照明探测模组，其特征在于，所述荧光片两侧设有蓝宝石层。
  8. 根据权利要求2所述的照明探测模组，其特征在于，所述光探测与测量组件包括发射模块和接收模块，所述发射模块与所述光传输部件的另一端相连接，用于将所述光传输部件传输的所述探测用光向外发射，所述接收模块用于接收所述探测用光的反射光。
  9. 根据权利要求8所述的照明探测模组，其特征在于，所述发射模块设于所述照明组件侧边，且所述透镜单元上设有匀光区，所述匀光区用于将所述发射模块发射的所述探测用光匀化成光强分布均匀并具有特定的发射角的光束。
  10. 根据权利要求9所述的照明探测模组，其特征在于，所述匀光区设于所述透镜单元一侧边缘或环绕所述透镜单元设置。
  11. 根据权利要求8所述的照明探测模组，其特征在于，所述发射模块固定于所述安装壳体内壁，且所述发射模块通过隔断与所述照明光束隔开。
  12. 根据权利要求11所述的照明探测模组，其特征在于，所述发射模块包括红外激光器或红外激光芯片，所述红外激光器或红外激光芯片通过固定座固定于所述安装壳体内壁，所述固定座上设有用于隔开所述发射模块与所述照明光束的隔板。
  13. 根据权利要求1所述的照明探测模组，其特征在于，所述光源总成包括用于发出照明用光的照明光源及用于发出探测用光的探测光源。
  14. 根据权利要求1所述的照明探测模组，其特征在于，所述照明光源的驱动器可调制生成LiFi信号，所述LiFi信号通过所述照明光源发出且可被LiFi处理装置接收。
  15. 根据权利要求14所述的照明探测模组，其特征在于，还包括控制模块、设于其他车辆上的LiFi处理装置及显示***，所述控制模块包括输入端和控制端，所述输入端与所述光探测与测量组件连接用于接收位置参数，所述控制端与所述照明光源的驱动器连接，用于通过所述驱动器控制所述照明光源发出所述照明用光及可被LiFi处理装置接收的载有位置参数的所述LiFi信号，所述LiFi处理装置可接收所述LiFi信号并将位置参数通过与所述LiFi处理装置连接的所述显示***中显示出来。
  16. 根据权利要求1所述的照明探测模组，其特征在于，所述光传输部件包括照明传导光纤和探测传导光纤，所述照明传导光纤用于将所述照明用光传输至所述照明组件，所述探测传导光纤用于将所述探测用光传输至所述光探测与测量组件。
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106043104A (zh) * 2016-07-20 2016-10-26 上海小糸车灯有限公司 一种基于LiFi和DLP的汽车照明***及其车辆照明信号装置
CN108307646A (zh) * 2015-04-17 2018-07-20 株式会社小糸制作所 车辆用灯具以及发光装置
CN207778308U (zh) * 2018-01-22 2018-08-28 长城汽车股份有限公司 光源模块和车辆
JP2019061935A (ja) * 2017-09-28 2019-04-18 市光工業株式会社 車両用前照灯
CN110094692A (zh) * 2018-11-16 2019-08-06 华域视觉科技(上海)有限公司 集成LiDAR***的照明装置及汽车

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202074384U (zh) * 2011-04-19 2011-12-14 真丰企业有限公司 兼具有行车灯功能的刹车灯
LU92044B1 (en) * 2012-07-17 2014-01-20 Iee Sarl Driver assistance system comprising an optical detector with active scene illumination
CN103903478A (zh) * 2012-12-29 2014-07-02 富泰华工业（深圳）有限公司 行车预警***
CN104730229B (zh) * 2015-03-27 2016-08-31 广州万孚生物技术股份有限公司 电子检测装置
CN204786017U (zh) * 2015-07-14 2015-11-18 中国科学院重庆绿色智能技术研究院 一种导光照明自适应激光前照灯
CN106059666A (zh) * 2016-07-20 2016-10-26 上海小糸车灯有限公司 基于LiFi的汽车行驶数据交互***及其车辆信号照明装置
CN206193791U (zh) * 2016-08-31 2017-05-24 山东新华医疗器械股份有限公司 审计追踪辅助装置
CN106725336B (zh) * 2017-01-05 2023-10-10 北京响臻科技有限公司 一种基于交叉偏振的便携式皮肤拍照装置
CN108445468B (zh) * 2018-04-03 2019-11-05 上海禾赛光电科技有限公司 一种分布式激光雷达
CN209341136U (zh) * 2018-07-27 2019-09-03 华域视觉科技(上海)有限公司 一种汽车大灯及其激光辅助远光模组和激光安全检测装置
CN211160789U (zh) * 2019-03-28 2020-08-04 湖北采花茶业有限公司 动态茶叶精选***

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108307646A (zh) * 2015-04-17 2018-07-20 株式会社小糸制作所 车辆用灯具以及发光装置
CN106043104A (zh) * 2016-07-20 2016-10-26 上海小糸车灯有限公司 一种基于LiFi和DLP的汽车照明***及其车辆照明信号装置
JP2019061935A (ja) * 2017-09-28 2019-04-18 市光工業株式会社 車両用前照灯
CN207778308U (zh) * 2018-01-22 2018-08-28 长城汽车股份有限公司 光源模块和车辆
CN110094692A (zh) * 2018-11-16 2019-08-06 华域视觉科技(上海)有限公司 集成LiDAR***的照明装置及汽车

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