CN108980776A - A kind of automobile-used light source of New LED - Google Patents
A kind of automobile-used light source of New LED Download PDFInfo
- Publication number
- CN108980776A CN108980776A CN201810755000.0A CN201810755000A CN108980776A CN 108980776 A CN108980776 A CN 108980776A CN 201810755000 A CN201810755000 A CN 201810755000A CN 108980776 A CN108980776 A CN 108980776A
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- Prior art keywords
- radiator
- light source
- automobile
- wiring board
- led
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
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- 230000000694 effects Effects 0.000 abstract description 13
- 230000017525 heat dissipation Effects 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 7
- 241001465382 Physalis alkekengi Species 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 5
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- 241000196324 Embryophyta Species 0.000 description 2
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Classifications
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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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
-
- 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
- F21S43/50—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
-
- 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
- F21S45/48—Passive cooling, e.g. using fins, thermal conductive elements or openings with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device
-
- 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
- F21S45/50—Waterproofing
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
- F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- 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
- F21W2103/00—Exterior vehicle lighting devices for signalling purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention discloses a kind of automobile-used light sources of New LED, belong to LED light source technical field.It includes LED light source module and the wire harness assembly with LED light source module electric connection, the LED light source module includes lampshade, wiring board and radiator, the lampshade is connected by heat conduction adhesive on the light-emitting surface of assist side, the radiator is connected by heat conduction adhesive on the shady face of assist side, is consolidated with diode, multiple LED chips, multiple resistance, multiple triodes and multiple capacitors by Reflow Soldering on the wiring board.The configuration of the present invention is simple, compact, installation step is simple, and electronic component and radiator be not in the same side on wiring board.Heat conduction adhesive, good heat dissipation effect are coated between assist side and radiator.Modularity design, moulding is small, when different automobile types tail portion, lamps and lanterns change, can directly be continued to use by other vehicles, reduces lamps and lanterns R & D Cost, meets actual use needs.
Description
Technical field
The invention belongs to LED light source technical fields, and in particular to a kind of automobile-used light source of New LED.
Background technique
The car light of bulb source, by moulding, space, wanting of lighting appearance, service life, automotive energy-saving emission-reducing etc.
It asks, gradually replaced LED light source.LED light source is with reference color temperature adjustable space is big, energy consumption is small, small in size, heatproof
Good, longevity of service the characteristic of property.With the development of photovoltaic industry in recent years, the cost of LED light source is lower and lower.
Main engine plants can consider the light fitting shape of automobile, lamp deflection is in sleeve configuration, lamps and lanterns when Car design at present
Moulding, energy consumption and later period a possibility that continuing to use, all become the major consideration whether main engine plants use the design.Cause
This, lamp factory develops small-power, high photosynthetic efficiency, small moulding, and the LED light source module for the advantages that capable of being continued to use by other vehicles has very much
It is necessary.
LED is a kind of diode that can be shone, it can only unilateal conduction, the light intensity of output is with the electric current that passes through at just
Than.The input of high current will lead to the bigger light decay of LED, most directly be exactly to influence LED if not hastening to shed heat
Brightness and service life, or even damage.It can be seen that the luminous intensity of LED influenced by heat it is bigger.Therefore LED
In the design of light source module, to meet the feature that energy consumption is small, small in size, the requirement to its radiator is with regard to relatively high.
(application number: CN201520145541.3, authorization are public for Chinese utility model patent " a kind of automobile LED Rear Fog Lamp "
Announcement number: CN20446011U), disclosing a kind of automobile LED Rear Fog Lamp, includes lens, lamp housing, reflector, substrate, route
Plate, at least one LED chip, constant-current supply chip and thermal component.Its LED is driven by constant-current supply chip, valence
Lattice are expensive.Thermal component is separate structure, and multiple radiator needs are individually fixed on radiating bottom plate.There is muti-piece on wiring board
Substrate needs to install fixation respectively, cause between LED and substrate and lens containing accumulated error it is serious, positioning accuracy is poor.
LED heat dissipation passes sequentially through substrate, wiring board, radiating bottom plate and radiator carry out, substrate, wiring board, radiating bottom plate, radiator
In conjunction with the non-conductor air for containing heat at gap, it is poor to will lead to LED heat dissipation effect.For the patent in the presence of structure is complicated, cost is high
Expensive, erroneous for installation, the problem of heat dissipation effect difference is not easy to high-volume and promotes.
Summary of the invention
The present invention involves great expense, erroneous for installation, heat dissipation effect is poor to solve existing LED light source in the presence of structure is complicated
The problem of, and a kind of automobile-used light source of New LED is provided.
To achieve the above object, the present invention adopts the following technical solutions: a kind of automobile-used light source of New LED, it includes LED light
Source module and the wire harness assembly being electrically connected with LED light source module, the LED light source module include lampshade, wiring board and dissipate
Hot device, the lampshade are connected by heat conduction adhesive on the light-emitting surface of assist side, and the radiator is connected by heat conduction adhesive
Connect on the shady face of assist side, on the wiring board by Reflow Soldering be consolidated with diode, multiple LED chips, multiple resistance,
Multiple triodes and multiple capacitors.
Preferably, the wire harness assembly includes harness and sheath, and what one end of the harness opened up on radiator dissipates
The terminals of hot device wiring sheath hole and wiring board are electrically connected, and the other end end of harness is plugged with sheath.
Preferably, it is set with sealing ring on radiator surrounding outer wall, in the radiator wiring sheath hole inner canister of radiator
Equipped with sealant.
Preferably, the wire harness assembly includes plug connector, on the terminals of the plug connector welding assist side.
Preferably, the wiring board is aluminum substrate.
Preferably, the radiator is a kind of cold extrusion shaped commercial-purity aluminium component, the array on the radiating surface of radiator
Distribution is consolidated with multiple thermal columns, and one is made in radiator and multiple thermal columns.
Preferably, it is provided with Argyle on the transparent surface of the lampshade, is provided with snoot on the shady face of lampshade,
And snoot number and position it is corresponding with LED chip number and position on wiring board.
The beneficial effects of the present invention are:
The configuration of the present invention is simple, compact, installation step is simple, and electronic component is with radiator not same on wiring board
Side.Heat conduction adhesive, good heat dissipation effect are coated between assist side and radiator.Modularity design, moulding is small, when different vehicles
It when type tail portion lamps and lanterns change, can directly be continued to use by other vehicles, reduce lamps and lanterns R & D Cost, meet actual use need
It wants.
Detailed description of the invention
Fig. 1 is equipped with the LED light source module structural schematic diagram of harness, sheath；
Fig. 2 is equipped with the LED light source module structural schematic diagram of plug connector；
Fig. 3 is the structural schematic diagram of wiring board；
Fig. 4 is the structural schematic diagram that the wiring board of plug connector is added on the basis of Fig. 3；
Fig. 5 is the structural schematic diagram for offering the radiator in radiator wiring sheath hole；
Fig. 6 is the overlooking structure diagram of Fig. 5；
Fig. 7 is the structural schematic diagram for not offering the radiator in radiator wiring sheath hole；
Fig. 8 is the structural schematic diagram of the transparent surface of lampshade；
Fig. 9 is the structural schematic diagram of the shady face of lampshade.
Specific embodiment
What needs to be explained here is that the noun of locality is left and right, upper and lower, initial and end etc. is using view shown in FIG. 1 as base
Certainly adopted, it should be understood that the use of the noun of locality should not limit the requested protection scope of the application.
Present invention will be further explained below with reference to the attached drawings and examples.
A kind of automobile-used light source of New LED, it includes LED light source module and the harness with LED light source module electric connection
Component, the LED light source module include lampshade 1, wiring board 2 and radiator 5, and the lampshade 1 is connected to by heat conduction adhesive 3
On the light-emitting surface of wiring board 2, the radiator 5 is connected by heat conduction adhesive 3 on the shady face of assist side 2, the route
Diode 241, multiple LED chips 201, multiple resistance 211, multiple triodes 221 and multiple are consolidated with by Reflow Soldering on plate 2
Capacitor 231.
The automobile-used light source of LED of the present invention, lampshade 1, wiring board 2 and radiator 5 are attached by heat conduction adhesive to each other,
It is for fixing simultaneously, heat conduction adhesive also functions to the effect for reinforcing thermal conductivity between wiring board 2 and radiator 5.Route
Plate 2 is monolithic construction.In installation process, 5 surface coated with thermally conductive adhesive 3 of radiator, with install wiring board 2, lampshade 1 to dissipate
On hot device 5, lampshade 1, wiring board 2 and radiator 5 are compressed, after the solidification of heat conduction adhesive 3, complete lampshade 1,2 and of wiring board
The installation of 5 three of radiator.
Considered based on volume and manufacturing cost, traditional constant-current supply chip drives are changed to triode 221 on wiring board 2
Continuous current driving, compared with custom circuit structure, the stability of circuit is good, and the electric current of output is stablized, hardly by external world's load and
The influence of environment, it is small in size, it is at low cost.
It should be noted that diode 241, LED chip 201, resistance 211, triode 221 and capacitor 231 on wiring board 2
Particular number and be electrically connected form, those skilled in the art readily can understand and grasp, and according to specific type
It number requires etc. to be selected, and claimed is the automobile-used light source of LED, and individually wiring board 2 is not that the present invention wants
The technical solution content of protection is sought, therefore the physical circuit aufbauprinciple etc. of wiring board 2 is not illustrated.
As shown in Figure 1 and Figure 5, on that basis of the above technical scheme, the wire harness assembly includes harness 7 and sheath 8, described
The terminals that one end of harness 7 passes through the radiator wiring sheath hole 53 and wiring board 2 that open up on radiator 5 are electrically connected, line
The other end end of beam 7 is plugged with sheath 8.It is connected so set, harness 7 passes through radiator 5 with wiring board 2, as route
The input/output terminal of plate 2.When in use, the outer lampshade of automobile lamp and shell need first to be connected and sealed, and then send out this
The bright automobile-used light source of LED is installed in the sealing bar of automobile lamp, is fixed on the shell of automobile lamp by two screws, i.e., complete
At the installation of automobile lamp.
As shown in Figure 1, on that basis of the above technical scheme, being set with sealing ring 4 on 5 surrounding outer wall of radiator, dissipating
53 inner canister of radiator wiring sheath hole of hot device 5 is equipped with sealant 6.So set, enhancing leakproofness, meets actual use need
It wants.
In addition to above-mentioned harness 7 cooperation sheath 8 lead form other than, wire harness assembly can also use following form, as Fig. 2,
Shown in Fig. 4 and Fig. 7, on that basis of the above technical scheme, the wire harness assembly includes plug connector 9, and the plug connector 9 welds online
On the terminals of road plate 2.So set, not using the route leading-out form of harness 7, sheath 8.But it is welded in assist side 2
Connector 9 is connected total sheath of automobile lamp by connector 9, passes through total sheath lead line of automobile lamp.While for
The considerations of heat and manufacturing cost, does not use sealing ring 4, sealant 6.Heat is carried out by AUTODESK CFD calorimetric analysis software
The automobile-used light source of LED can be directly fixed on two screws in vapour by amount simulation if the space of automobile lamp heat adjustment is larger
Car light has enclosure interior, realizes that sealing effect is realized in the sealed connection of automobile lamp by outer lampshade and shell.
As shown in Figure 3 and Figure 4, on that basis of the above technical scheme, the wiring board 2 is aluminum substrate.So set, thermally conductive
Good conductivity, stable working performance meet actual use needs
As shown in Fig. 5, Fig. 6 and Fig. 7, on that basis of the above technical scheme, the radiator 5 is a kind of cold extrusion shaped work
Industry fine aluminium component, array distribution is consolidated with multiple thermal columns 55, and radiator 5 and multiple heat dissipations on the radiating surface of radiator 5
One is made in column 55.So set, traditional cast aluminium material thermal coefficient is 96W/m.k, thermal column is separated with radiator body
Structure is because there are air between the two, therefore thermal coefficient is less than 96W/m.k.Meanwhile adding for aluminium is generally entailed during cast aluminium
Heat, casting, need to consume a large amount of energy, and very big noise can be given out in manufacturing process.And pass through advanced industry
The radiator of fine aluminium (Al content > 99%) cold extruding formation process manufacture, thermal coefficient 226W/m.k.Good heat dissipation effect and
Production cost is low, the production technology feature of environmental protection, assembly technology operability, and radiator 5 selects fine aluminium cold extrusion integral forming process,
The thermal column 55 of array arrangement is in cold extrusion radiator 5 while to obtain.When arrangement thermal column, AUTODESK can be passed through
CFD calorimetric analysis software analysis mode heat dissipation effect, selects the height of optimal arrangement and thermal column, obtains optimal heat dissipation effect
Fruit.The minimum thickness of the single thermal column of thermal column 55 of array arrangement can accomplish 0.6mm, and shape is unrestricted, with circle
Column type or blade type are common shape.
As shown in Figure 8 and Figure 9, on that basis of the above technical scheme, diamond shape flower is provided on the transparent surface of the lampshade 1
Line is provided with snoot 12, and LED chip on the number of snoot 12 and position and wiring board 2 on the shady face of lampshade 1
201 numbers and position are corresponding.So set, snoot 12 enhances the aggregation of light issued to LED chip, diamond shape on lampshade 1
Decorative pattern helps optics diffusion effect, improves light efficiency, meets actual use needs.
The automobile-used light source of LED of the present invention, when work, heat transfer mode is LED chip 201 and driving electricity on wiring board 2
Road relative electronic components give off heat, and are transmitted on aluminum substrate 251 by Reflow Soldering solder joint heat, then by heat conduction adhesive 3
It conducts heat on radiator 5, radiator 5 is by the thermal column 55 of array arrangement by the air of heat heat radiation to periphery
In, to guarantee the luminous intensity and stability of LED chip, it is conducive to extend the service life of electronic component.
Power of the present invention is small, and light efficiency is high, simple installation, can be continued to use simultaneously by other vehicles, save design and manufacture expense.Its
Fixing seal structure is single, and the fixation of lamps and lanterns, the stability of sealing structure can be improved.The driving of triode continuous current, production
It is at low cost.Quote the radiator of extrusion forming technology, radiating bottom plate and radiator separate structure in more existing radiator, sheet
5 volume of radiator in invention is smaller while heat dissipation effect is more preferable, and is attached fixation using heat conduction adhesive, more mentions
Heat-conducting effect is risen.
Limiting the scope of the invention, those skilled in the art should understand that, in technical solution of the present invention
On the basis of, the various modifications or variations that can be made by those skilled in the art with little creative work still of the invention
Within protection scope.
Claims (7)
1. a kind of automobile-used light source of New LED, it includes LED light source module and the harness group with LED light source module electric connection
Part, it is characterised in that: the LED light source module includes lampshade, wiring board and radiator, and the lampshade is connected by heat conduction adhesive
It connects on the light-emitting surface of assist side, the radiator is connected by heat conduction adhesive on the shady face of assist side, the route
Diode, multiple LED chips, multiple resistance, multiple triodes and multiple capacitors are consolidated with by Reflow Soldering on plate.
2. the automobile-used light source of a kind of New LED according to claim 1, it is characterised in that: the wire harness assembly includes harness
And sheath, the terminals that one end of the harness passes through the radiator wiring sheath hole and wiring board that open up on radiator electrically connect
It connects, the other end end of harness is plugged with sheath.
3. the automobile-used light source of a kind of New LED according to claim 2, it is characterised in that: covered on radiator surrounding outer wall
Equipped with sealing ring, sealant is housed in the radiator wiring sheath hole inner canister of radiator.
4. the automobile-used light source of a kind of New LED according to claim 1, it is characterised in that: the wire harness assembly includes grafting
Part, the plug connector weld on the terminals of assist side.
5. the automobile-used light source of a kind of New LED according to claim 3 or 4, it is characterised in that: the wiring board is aluminium base
Plate.
6. the automobile-used light source of a kind of New LED according to claim 5, it is characterised in that: the radiator is a kind of cold-extruded
Molded commercial-purity aluminium component, array distribution is consolidated with multiple thermal columns on the radiating surface of radiator, and radiator with it is multiple
One is made in thermal column.
7. the automobile-used light source of a kind of New LED according to claim 6, it is characterised in that: set on the transparent surface of the lampshade
It is equipped with Argyle, snoot, and LED core on the number of snoot and position and wiring board are provided on the shady face of lampshade
Piece number and position are corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810755000.0A CN108980776A (en) | 2018-07-11 | 2018-07-11 | A kind of automobile-used light source of New LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810755000.0A CN108980776A (en) | 2018-07-11 | 2018-07-11 | A kind of automobile-used light source of New LED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108980776A true CN108980776A (en) | 2018-12-11 |
Family
ID=64537700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810755000.0A Pending CN108980776A (en) | 2018-07-11 | 2018-07-11 | A kind of automobile-used light source of New LED |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108980776A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623311A (en) * | 2019-02-27 | 2020-09-04 | 罗姆股份有限公司 | LED lighting device |
| CN113513735A (en) * | 2021-09-14 | 2021-10-19 | 深圳市海邻科信息技术有限公司 | Lamp and vehicle |
| CN113531485A (en) * | 2021-09-16 | 2021-10-22 | 深圳市海邻科信息技术有限公司 | Lamp housing, lamp and vehicle |
| CN114080525A (en) * | 2019-06-28 | 2022-02-22 | 法雷奥照明公司 | Light module having an imager with damping and heating attachments |
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|---|---|---|---|---|
| CN111623311A (en) * | 2019-02-27 | 2020-09-04 | 罗姆股份有限公司 | LED lighting device |
| CN114080525A (en) * | 2019-06-28 | 2022-02-22 | 法雷奥照明公司 | Light module having an imager with damping and heating attachments |
| CN113513735A (en) * | 2021-09-14 | 2021-10-19 | 深圳市海邻科信息技术有限公司 | Lamp and vehicle |
| CN113531485A (en) * | 2021-09-16 | 2021-10-22 | 深圳市海邻科信息技术有限公司 | Lamp housing, lamp and vehicle |
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