CN209926256U - Lighting device and car of integrated LiDAR system - Google Patents
Lighting device and car of integrated LiDAR system Download PDFInfo
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- CN209926256U CN209926256U CN201920875568.6U CN201920875568U CN209926256U CN 209926256 U CN209926256 U CN 209926256U CN 201920875568 U CN201920875568 U CN 201920875568U CN 209926256 U CN209926256 U CN 209926256U
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- 230000003287 optical effect Effects 0.000 claims abstract description 64
- 238000006243 chemical reaction Methods 0.000 claims abstract description 45
- 238000005286 illumination Methods 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 239000013307 optical fiber Substances 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 3
- 230000000149 penetrating effect Effects 0.000 claims 2
- 230000010354 integration Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 231100000040 eye damage Toxicity 0.000 description 1
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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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
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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
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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
- 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
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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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
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- 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
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Measurement Of Optical Distance (AREA)
Abstract
The utility model provides an integrated LIDAR system's lighting device and car relates to car illumination and detection technical field, has provided a brand-new integration scheme with car light and LiDAR. The integrated LiDAR system lighting fixture includes: laser instrument and light path module, the light path module includes: the laser device comprises a wavelength conversion device, an optical element, a light reflector and a main lens, wherein laser light with different wavelengths emitted by the laser device is incident to the wavelength conversion device, and first wavelength laser light is converted into illumination light through the wavelength conversion device and is emitted through the main lens; the second wavelength laser is reflected to the light reflector through the wavelength conversion device, reflected to the optical element through the reflector, converted by the optical element, and emitted through the main lens to serve as detection light. The lighting device of the integrated LiDAR system changes point laser into surface laser through an optical element, so that the blue light power is reduced, and the risk of high-power blue light is reduced.
Description
Technical Field
The utility model belongs to the technical field of automotive lighting and detection technique and specifically relates to a lighting device and car of integrated LiDAR system are related to.
Background
With the development of vehicles, the use of the vehicle lamp is gradually diversified, and besides the lighting function, some vehicle lamps also have the functions of laser detection and distance measurement of the vehicle.
In a vehicle lamp, two light sources are included, the wavelengths of light beams generated by the two light sources are different, wherein the first light source emits blue laser light, and the second light source emits infrared laser light. The blue light generated by the first light source is reflected to the wavelength conversion device, is converted into visible white light and then is directly emitted out through the lens, so that the blue light is used for illuminating the vehicle lamp; the infrared laser generated by the second light source is emitted out through the lens after being reflected for several times to be used as detection light for carrying out laser detection and distance measurement on the vehicle.
However, the blue laser emitted by the first light source is not completely converted into visible light in the wavelength conversion device, and a part of the blue laser remains, so that the blue laser is easy to damage human eyes or other articles after being emitted through the lens.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integrated LiDAR system's lighting device to solve the technical problem that the part blue light that exists directly jets out and easily leads to people's eye damage among the prior art.
The utility model provides an integrated LiDAR system's lighting device, include: laser instrument and light path module, the light path module includes: a wavelength conversion device, an optical element, a light reflecting mirror and a main lens,
laser light with different wavelengths emitted by the laser device is incident to the wavelength conversion device, the laser light emitted by the laser device comprises first wavelength laser light and second wavelength laser light, the first wavelength laser light is converted into light with different wavelengths through the wavelength conversion device to form illumination light, and the illumination light is emitted through the main lens; the second wavelength laser is reflected to the light ray reflector through the wavelength conversion device and reflected to the optical element through the reflector, the optical element is used for converting point laser into surface laser, and the second wavelength laser is emitted through the main lens after being converted by the optical element to serve as detection light.
In any of the above technical solutions, further, the optical element is a beam expander lens, a beam expander lens group, or a light homogenizing sheet.
In any of the above technical solutions, further, a narrow-band filter is disposed on the optical element to prevent the first wavelength laser light from being emitted from the optical element.
In any of the above technical solutions, further, the wavelength conversion device includes a fluorescent layer and a narrow-band reflection layer disposed on the fluorescent layer, the second wavelength laser is reflected by the narrow-band reflection layer, and the first wavelength laser penetrates through the narrow-band reflection layer and enters the fluorescent layer.
In any of the above technical solutions, further, the wavelength conversion device includes a fluorescent layer and a glass sheet disposed on the fluorescent layer, and the first wavelength laser light penetrates through the glass sheet to enter the fluorescent layer by adjusting a refractive index of the glass sheet so that the second wavelength laser light is reflected by the glass sheet.
In any of the above technical solutions, the optical device further includes a laser illumination mirror, and the different wavelengths of light converted by the wavelength conversion device are reflected by the laser illumination mirror and then emitted to the main lens.
In any of the above technical solutions, the optical fiber further includes an optical fiber, and the laser light with different wavelengths emitted by the laser device is coupled by the optical fiber and then emitted to the wavelength conversion device;
the laser comprises a first laser diode, a second laser diode and a driving system, wherein the driving system is respectively connected with the first laser diode and the second laser diode, the driving system drives the first laser diode to emit the first wavelength laser in a continuous driving mode, and the driving system drives the second laser diode to emit the second wavelength laser in a pulse driving mode or a continuous driving mode.
In any of the above technical solutions, further, the optical module further includes a heat sink, and the optical path module is mounted on the heat sink.
In the above technical solution, further, the mobile terminal further includes an infrared receiving system, where the infrared receiving system includes: the receiving device is positioned on one side of an emergent surface of the infrared receiving mirror structure, and the infrared receiving mirror structure comprises a lens or a lens group.
Compared with the prior art, integrated LiDAR system's lighting device have following advantage:
integrated LiDAR system's lighting device in the use, the laser instrument sends the laser of different wavelength, in the laser that the laser instrument sent, including first wavelength laser and second wavelength laser. The first wavelength laser light and the second wavelength laser light both enter the wavelength conversion device where they are converted to visible light and finally exit the main lens. The second wavelength laser beam is reflected by the wavelength conversion device, reflected again by the light beam reflection mirror to the optical element, converted into surface laser beam at the optical element, and emitted, thereby being used as detection light for laser detection and distance measurement.
If part of the first wavelength laser is remained and can not be converted into visible light by the wavelength conversion device, part of the remained first wavelength laser can not be emitted in the light path module, and the subsequent light path of part of the light is consistent with the second wavelength laser, namely the part of the light is reflected to the optical element by the light reflector and is emitted by the main lens after being changed into the area array light source at the optical element. When the optical element scatters the first wavelength laser into the surface light source, the first wavelength laser loses more power and evenly distributes the power to the surface light source, so that high-power light is prevented from being emitted, and the emitted light is prevented from damaging human eyes.
Compare with the car light among the prior art, the lighting device that this application provided has the illumination simultaneously and carries out laser detection and range finding's function, and can avoid the direct harm that jets out the production of blue light to the eyes.
Another object of the present invention is to provide a car, which solves the technical problem existing in the prior art that the direct emission of the blue light is likely to cause the damage to human eyes.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
an automobile comprising a body fitted with a lighting device incorporating a LiDAR system as described in the previous claims.
The advantages of the vehicle and the integrated LiDAR system lighting apparatus described above over the prior art are the same and are not described in detail herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a partial cross-sectional view of a lighting device of an integrated LiDAR system provided by an embodiment of the present invention;
FIG. 2 is a schematic optical path diagram of a first wavelength laser in a lighting device of an integrated LiDAR system provided by an embodiment of the present invention;
FIG. 3 is a schematic optical path diagram of a second wavelength laser in a lighting device of an integrated LiDAR system provided by an embodiment of the present invention;
FIG. 4 is a schematic diagram of the relative positions of a beam splitter and a wavelength conversion device in an illumination apparatus incorporating a LiDAR system according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a lighting device incorporating a LiDAR system according to an embodiment of the present invention.
In the figure:
1-a light reflector; 2-a fluorescent layer; 3-narrow band reflective layer;
4-an optical element; 5-a gripper; 6-a main lens;
7-a laser illumination mirror; 8, a main control board; 9-an infrared receiving mirror structure;
10-a heat sink; 11-a laser; 12-an optical fiber.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1-5, embodiments of the present invention provide a lighting device of an integrated LiDAR system, comprising: laser 11 and light path module, the light path module includes: wavelength conversion means, an optical element 4, a light ray mirror 1 and a main lens 6, wherein:
laser light with different wavelengths emitted by the laser 11 is incident to the wavelength conversion device, and the laser light emitted by the laser 11 includes first wavelength laser light and second wavelength laser light. The first wavelength laser light is converted into light of a different wavelength by the wavelength conversion device to form illumination light, which is emitted through the main lens 6. The second wavelength laser beam is reflected to the light beam reflecting mirror 1 via the wavelength conversion device and reflected to the optical element 4 via the reflecting mirror, the optical element 4 is used for converting the point laser beam into the surface laser beam, and the second wavelength laser beam is converted by the optical element 4 and then emitted via the main lens 6 as the detection light.
In a preferred embodiment of the present embodiment, the laser 11 includes a first laser diode, a second laser diode and a driving system, the first laser diode is used for emitting laser light with a first wavelength, the second laser diode is used for emitting laser light with a second wavelength, and the driving system is respectively connected to the first laser diode and the second laser diode. The driving system can drive the first laser diode in a continuous driving mode, and can drive the second laser diode in a pulse driving mode or a continuous driving mode.
The utility model discloses integrated LiDAR system's lighting device is in the use, and laser 11 sends the laser of different wavelength, in the laser that laser 11 sent, including first wavelength laser and second wavelength laser. Both the first wavelength laser light and the second wavelength laser light enter the wavelength conversion device where they are converted into visible light (white light) and finally emitted by the main lens 6. The second wavelength laser light is reflected at the wavelength conversion device, reflected again to the optical element 4 via the light reflection mirror 1, converted into surface laser light at the optical element 4, and emitted, thereby being used as probe light for laser detection and distance measurement.
If part of the first wavelength laser remains and cannot be converted into visible light by the wavelength conversion device, part of the remaining first wavelength laser cannot be emitted in the optical path module, and the subsequent optical path of part of the light is consistent with the second wavelength laser, i.e., the part of the light is reflected to the optical element 4 through the light reflector 1, and is emitted through the main lens 6 after being changed into a surface light source at the optical element 4. When the optical element 4 scatters the first wavelength laser light into the surface light source, the first wavelength laser light loses more power and equally distributes the power to the surface light source, so that high-power light is prevented from being emitted, and the emitted light is prevented from damaging human eyes.
Compare with the car light among the prior art, the lighting device that this application provided has the illumination simultaneously and carries out laser detection and range finding's function, and can avoid the direct harm that jets out the production of blue light to the eyes.
In a specific embodiment of this embodiment, the wavelength of the first wavelength laser is between 400nm and 480nm, which is a blue laser; the wavelength of the second wavelength laser is 770nm-1mm, namely the infrared laser.
In a preferred embodiment of this embodiment, the illumination device integrated with the LiDAR system further includes an optical fiber 12, the laser 11 and the optical path module are connected by the optical fiber 12, and the laser light with different wavelengths emitted by the laser 11 is coupled to the wavelength conversion device via the optical fiber 12. That is, the first wavelength laser light and the second wavelength laser light are emitted through the laser 11, coupled at the optical fiber 12, and then emitted to the wavelength conversion device. The first wavelength laser adopts a continuous working mode and is used for illumination; the second wavelength laser adopts a pulse or continuous working mode for detection. The size of the laser 11 can be designed in a small size, and since two kinds of laser are led out from the optical fiber 12, the light spots can be very uniform and can be controlled in any diameter, and the power of the first wavelength laser and the power of the second wavelength laser can be controlled. In addition, since the optical fiber 12 is connected between the optical path module and the laser 11, the distance between the optical path module and the laser 11 is increased, and the optical path module and the laser can be respectively installed at different positions, thereby facilitating the optimized layout of the interior of the vehicle lamp.
In the illumination device of the integrated LiDAR system provided by this embodiment, the optical element 4 is configured to convert the point laser into the surface laser, and specifically, the optical element 4 may adopt a beam expander lens, a beam expander lens group, or a light homogenizing sheet, and is configured to expand the point laser emitted by the optical fiber 12 into a surface light source with a fixed field angle. The beam expanding lens is a single lens and is used for point laser beam expanding; the beam expander lens group comprises a plurality of lenses which are matched with each other, so that the beam expanding effect is realized.
In a preferred embodiment of the present embodiment, the optical element 4 is provided with a narrow-band filter for preventing the first wavelength laser light from being emitted from the optical element 4. Specifically, the narrow band filter corresponds to the wavelength of the second wavelength laser light so that the second wavelength laser light can be emitted through the optical element 4 while the first wavelength laser light is reflected at the optical element 4. Part of the first wavelength laser light reflected by the optical element 4 returns to the wavelength conversion device and is converted again by the wavelength conversion device, so that the conversion rate of the first wavelength laser light can be improved.
The wavelength conversion device is used for converting the first wavelength laser light into a plurality of wavelength light to form visible light for illumination, and reflecting the second wavelength laser light to the light reflector 1, in a specific implementation manner of the embodiment, the wavelength conversion device comprises a fluorescent layer 2, and a narrow-band reflection layer 3 which is arranged on the fluorescent layer 2 and corresponds to the wavelength of the second wavelength laser light, and the second wavelength laser light is reflected to the light reflector 1 by the narrow-band reflection layer 3; the first wavelength laser penetrates the narrow-band reflection layer 3 to enter the fluorescent layer 2, and forms illumination white light (visible light) after being reflected by the fluorescent layer 2.
The narrow-band reflective layer 3 may be implemented by a mirror with infrared narrow-band filtering.
In another embodiment of this embodiment, the wavelength conversion device includes a fluorescent layer 2 and a glass plate disposed on the fluorescent layer 2, and the first wavelength laser light penetrates through the glass plate to enter the fluorescent layer 2 by adjusting the refractive index of the glass plate so that the second wavelength laser light is reflected by the glass plate.
In order to converge and guide the visible light reflected by the fluorescent layer 2 to the direction of the main lens 6, the illumination device integrated with the LiDAR system further comprises a laser illumination reflecting mirror 7, and the different wavelengths of light converted by the wavelength conversion device are reflected by the laser illumination reflecting mirror 7 and then emitted to the main lens 6. Specifically, one side of the laser illumination reflecting mirror 7 facing the main lens 6 is a concave side, and the white light converted by the wavelength conversion device is converged by the laser illumination reflecting mirror 7 and then emitted through the main lens 6.
As shown in fig. 2, the laser light emitted from the laser 11 enters the optical module through the optical fiber 12, the laser light a entering the optical module includes a first wavelength laser light and a second wavelength laser light, most of the first wavelength laser light a in the laser light a is converted into white light D by the fluorescent layer 2 and emitted at the wavelength conversion device, and the white light D is reflected by the laser illumination mirror 7 and emitted through the main lens 6. A small portion of the first wavelength laser light is not converted by the fluorescent layer 2, but is reflected from the wavelength conversion device to the light reflector 1, as shown by light C in the figure, and the light C is reflected by the light reflector 1 and then enters the optical element 4, and is changed into a surface light source at the optical element 4 and then exits through the main lens 6.
As shown in fig. 3, the laser beam emitted from the laser 11 enters the optical module through the optical fiber 12, the laser beam a entering the optical module includes the first wavelength laser beam and the second wavelength laser beam, and the second wavelength laser beam of the laser beam a is reflected by the narrow-band reflecting layer 3 at the wavelength converter as a light beam B1 in the figure, reflected again by the light beam reflector 1 to the optical element 4, converted into a surface laser beam B2 at the optical element 4, and then emitted through the main lens 6.
As shown in fig. 4, the second wavelength laser beam a1 of the laser beams incident on the optical module is reflected by the narrow-band reflection layer 3, separated from the other wavelength beams, and emitted as a second wavelength laser beam B1 beam; the light emitted into the optical module is separated from the light with other wavelengths in the first wavelength laser A2, penetrates through the narrow-band reflecting layer 3, enters the fluorescent layer 2, is converted into white light D by the fluorescent layer 2, and is emitted; the remaining part of the first wavelength laser light a2 is reflected by the fluorescent layer 2 to form the first wavelength laser light C, and then directed in the same direction as the second wavelength laser light B1.
In a preferred embodiment of this embodiment, the LiDAR system integrated lighting fixture further includes a heatsink 10, and the light path module is mounted to the heatsink 10. Specifically, the heat sink 10 includes a connecting plate and heat dissipating fins, the optical path module is mounted at the top of the connecting plate, the heat dissipating fins are mounted at the bottom of the connecting plate, and the heat dissipating fins are perpendicular to the connecting plate or form a certain included angle with the connecting plate, the heat dissipating fins are parallel to each other, and a heat dissipating channel is formed between adjacent heat dissipating fins to enhance the heat dissipating effect.
Further, the optical element 4 is fixed to the heat sink 10 by the clamper 5.
In the lighting device of the integrated LiDAR system provided by the embodiment, the lighting device further comprises an infrared receiving system, the infrared receiving system comprises an infrared receiving mirror structure 9, and the infrared receiving mirror structure 9 can be a single lens for receiving infrared laser light; or, the infrared receiving lens structure 9 can also be a lens group, the lens group contains a plurality of lenses, and the plurality of lenses are mutually matched, so as to complete the receiving and guiding function of the infrared laser.
As shown in fig. 1, the infrared receiver mirror structure 9 is fixed beside a heat sink 10.
The infrared receiving system further comprises a main control board 8 and a receiving device integrated on the main control board 8, wherein the receiving device is located on one side of the emergent surface of the infrared receiving mirror structure 9.
The receiving device is preferably an area array receiving device based on CMOS or CCD technology, and may also be a photodiode such as an APD (avalanche photo Diode). The second wavelength laser light emitted through the optical path module is received by the infrared receiving mirror structure 9 after being reflected by an object from the outside, and passes through the infrared receiving mirror structure 9 to be incident into the receiving device.
In the preferred embodiment provided in this embodiment, a Tof sensor (Time of flight Mass Spectrometer sensor) is integrated on the main control board 8.
In a specific embodiment of the present embodiment, a light blocking sheet is disposed beside the light reflector 1, and the light blocking sheet is used for adjusting the light pattern of the illumination light.
Example two
Another object of the embodiments of the present invention is to provide an automobile, which comprises an automobile body, wherein the automobile body is provided with an illumination device of the integrated LiDAR system provided by the embodiments.
The advantages of a car and the integrated LiDAR system lighting apparatus described above over the prior art are the same and are not described in detail herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. An illumination device incorporating a LiDAR system, comprising: laser instrument and light path module, the light path module includes: a wavelength conversion device, an optical element, a light reflecting mirror and a main lens,
laser light with different wavelengths emitted by the laser device is incident to the wavelength conversion device, the laser light emitted by the laser device comprises first wavelength laser light and second wavelength laser light, the first wavelength laser light is converted into light with different wavelengths through the wavelength conversion device to form illumination light, and the illumination light is emitted through the main lens; the second wavelength laser is reflected to the light ray reflector through the wavelength conversion device and reflected to the optical element through the reflector, the optical element is used for converting point laser into surface laser, and the second wavelength laser is emitted through the main lens after being converted by the optical element to serve as detection light.
2. The integrated LiDAR system illumination device of claim 1, wherein the optical element is a beam expander lens, a set of beam expander lenses, or a plenoptic sheet.
3. The integrated LiDAR system illumination device of claim 1 or 2, wherein a narrow band filter is disposed on the optical element to block the first wavelength laser light from exiting the optical element.
4. The integrated LiDAR system illumination device of claim 1, wherein the wavelength conversion device comprises a fluorescent layer and a narrow-band reflective layer disposed on the fluorescent layer, the second wavelength laser light being reflected by the narrow-band reflective layer, the first wavelength laser light penetrating through the narrow-band reflective layer into the fluorescent layer.
5. The integrated LiDAR system illumination device of claim 1, wherein the wavelength conversion device comprises a phosphor layer and a glass sheet disposed on the phosphor layer, the first wavelength laser light penetrating the glass sheet to enter the phosphor layer by adjusting an index of refraction of the glass sheet such that the second wavelength laser light is reflected by the glass sheet.
6. The illumination device of an integrated LiDAR system of claim 1, further comprising a laser illumination mirror, wherein the different wavelengths of light converted by the wavelength conversion device are directed toward the primary lens via reflection by the laser illumination mirror.
7. The integrated LiDAR system illumination device of claim 1, further comprising an optical fiber, wherein laser light of different wavelengths emitted by the laser is coupled via the optical fiber to the wavelength conversion device;
the laser comprises a first laser diode, a second laser diode and a driving system, wherein the driving system is respectively connected with the first laser diode and the second laser diode, the driving system drives the first laser diode to emit the first wavelength laser in a continuous driving mode, and the driving system drives the second laser diode to emit the second wavelength laser in a pulse driving mode or a continuous driving mode.
8. The integrated LiDAR system illumination device of claim 1, further comprising a heat sink, the light path module mounted on the heat sink.
9. The integrated LiDAR system lighting device of claim 1, further comprising an infrared receiving system comprising: the receiving device is positioned on one side of an emergent surface of the infrared receiving mirror structure, and the infrared receiving mirror structure comprises a lens or a lens group.
10. An automobile comprising a body that mounts a lighting assembly of the integrated LiDAR system of any of claims 1-9.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811368006 | 2018-11-16 | ||
| CN201811369172 | 2018-11-16 | ||
| CN2018113691720 | 2018-11-16 | ||
| CN2018113680069 | 2018-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209926256U true CN209926256U (en) | 2020-01-10 |
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Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920875568.6U Active CN209926256U (en) | 2018-11-16 | 2019-06-12 | Lighting device and car of integrated LiDAR system |
| CN201920876106.6U Active CN209926257U (en) | 2018-11-16 | 2019-06-12 | Lighting device and car of integrated LiDAR system |
| CN201910503965.5A Active CN110094692B (en) | 2018-11-16 | 2019-06-12 | Lighting device of integrated LiDAR system and car |
| CN201910504083.0A Active CN110118332B (en) | 2018-11-16 | 2019-06-12 | Lighting device of integrated LiDAR system and car |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920876106.6U Active CN209926257U (en) | 2018-11-16 | 2019-06-12 | Lighting device and car of integrated LiDAR system |
| CN201910503965.5A Active CN110094692B (en) | 2018-11-16 | 2019-06-12 | Lighting device of integrated LiDAR system and car |
| CN201910504083.0A Active CN110118332B (en) | 2018-11-16 | 2019-06-12 | Lighting device of integrated LiDAR system and car |
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| CN (4) | CN209926256U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110094692A (en) * | 2018-11-16 | 2019-08-06 | 华域视觉科技(上海)有限公司 | The lighting device and automobile of integrated LiDAR system |
| CN110094692B (en) * | 2018-11-16 | 2024-01-26 | 华域视觉科技(上海)有限公司 | Lighting device of integrated LiDAR system and car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110118332A (en) | 2019-08-13 |
| CN110118332B (en) | 2024-06-04 |
| CN209926257U (en) | 2020-01-10 |
| CN110094692B (en) | 2024-01-26 |
| CN110094692A (en) | 2019-08-06 |
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