CN109539171A - A kind of adjustable automobile LED headlamp - Google Patents
A kind of adjustable automobile LED headlamp Download PDFInfo
- Publication number
- CN109539171A CN109539171A CN201910026519.XA CN201910026519A CN109539171A CN 109539171 A CN109539171 A CN 109539171A CN 201910026519 A CN201910026519 A CN 201910026519A CN 109539171 A CN109539171 A CN 109539171A
- Authority
- CN
- China
- Prior art keywords
- light
- wall
- inner cavity
- baffle
- surge drum
- 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
Links
- 210000000080 chela (arthropods) Anatomy 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 239000013307 optical fiber Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 239000007767 bonding agent Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000003086 colorant Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/63—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/076—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle by electrical means including means to transmit the movements, e.g. shafts or joints
-
- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
- F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
- F21S41/692—Shields, i.e. screens not creating an image meant to be projected
-
- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention provides a kind of adjustable automobile LED headlamp, it is related to auto parts field, adjustable automobile LED headlamp, including pincerlike shell, inner cavity is offered in the middle part of the pincer shell, it is described pincer shell inside and be located at inner cavity at the top of be connected with cloche, the inner cavity is internally provided with baffle compatible with inner cavity internal diameter, and reflecting coating is equipped at the top of baffle, the bottom of the baffle is connected with link block, the link block through its internal rivet with the inner wall of inner cavity by being flexibly connected, the bottom of the link block is arranged with lantern ring, adjustable automobile LED headlamp, the rotation of motor drive roll bar, extend light-transmissive film from the rotating cylinder in surge drum simultaneously in the outer wall winding of roll bar, the light-transmissive film of different colours is covered on baffle, the light of different colours can be launched, improve vapour The comfort that vehicle uses, convenient for users to individual character selection, and the color of light can be changed at any time, practicability is more preferably.
Description
Technical field
The present invention relates to technical field of automobile accessories, specially a kind of adjustable automobile LED headlamp.
Background technique
Headlight for vehicles, also referred to as car headlamp, automobile LED daytime running lights are not only related to a vehicle as the eyes of automobile
Main external image is more closely connected with the safe driving under the conditions of driving at night or bad weather, and using and maintaining for car light is
It can not ignore, existing car headlamp inconvenience adjusts the color of car light at any time, is not able to satisfy the individual needs of user, makes
With inconvenience.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of adjustable automobile LED headlamp, vehicle front lighting is solved
The problem of lamp inconvenience adjusts the color of car light at any time, is not able to satisfy user's individual needs.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: being shone before a kind of adjustable automobile LED
Lamp, including pincerlike shell offer inner cavity in the middle part of the pincer shell, the inside of the pincer shell and the top for being located at inner cavity
Portion is connected with cloche, and the inner cavity is internally provided with baffle compatible with inner cavity internal diameter, and the top of baffle is equipped with instead
Light coating, the bottom of the baffle are connected with link block, and the link block passes through the inner wall through its internal rivet and inner cavity
It is flexibly connected, the bottom of the link block is arranged with lantern ring, and the side wall of the lantern ring is connected with electric telescopic rod, described electronic to stretch
The inner wall of contracting bar one end and inner cavity far from lantern ring is clamped, and the inner wall bottom of the inner cavity is connected with light-source box, the light-source box
Bottom extend to the bottom of pincerlike shell, and light-source box bottom is bolted and is equipped with sealing plate, and the light-source box is located at
The side of inner cavity is connected with optical fiber, and the optical fiber is connected with condenser far from one end of light-source box, and the condenser is horizontal
It is installed on the inner wall of inner cavity and towards baffle, the top side of the baffle is connected with surge drum, and the inside of the surge drum is solid
Surely there is axis, the outer cover of the axis is equipped with rotating cylinder, and the outer wall of the axis is arranged with torsional spring, and the both ends difference of torsional spring
It is connect with the outer wall of the inner wall of rotating cylinder and axis, the outer wall winding of the rotating cylinder is provided with light-transmissive film, the light-transmissive film
One end is connect with rotating cylinder, and the other end of the light-transmissive film extends to the outer wall of surge drum and is connected with roll bar, the roll bar
One end is connected with connecting plate, and the other end of the roll bar is connected with motor, and the motor and connecting plate are mounted on baffle
Top and side far from surge drum, the inner wall riveting of the inner cavity have a controller, the motor and electric telescopic rod are logical
It crosses conducting wire and controller is electrically connected.
Preferably, the inside of the pincerlike shell is bonded with reflector, and reflector is close to the side outer wall light of cloche
It is sliding.
Preferably, the sealing plate is bonded with rubber frame close to the side of light-source box, the side wall of the light-source box offer with
The compatible caulking groove of rubber frame.
Preferably, the side wall of the baffle offers card slot compatible with surge drum, and infuses between card slot and surge drum
There is bonding agent.
Preferably, the side wall of the rotating cylinder is connected with side lever, and the side lever is inserted into surge drum far from one end of rotating cylinder
Inner wall be slidably connected with it, the inner wall of the surge drum offers circular groove compatible with side lever.
(3) beneficial effect
The present invention provides a kind of adjustable automobile LED headlamps.Have it is following the utility model has the advantages that
1, adjustable automobile LED headlamp, motor drive the rotation of roll bar, keep light-transmissive film same in the outer wall winding of roll bar
When extend from the rotating cylinder in surge drum, the light-transmissive film of different colours is covered on baffle, can launch different colours
Light improves the comfort that uses of automobile, convenient for users to individual character selection, and the color of light, practicability can be changed at any time
More preferably.
2, adjustable automobile LED headlamp, light-source box inside generation light pass to condenser amplification by optical fiber and penetrate
To baffle, electric telescopic rod controls the inclination of baffle, is high beam state when baffle tilts, and the light of sending is penetrated in parallel by baffle
Out, light is more concentrated, and brightness is larger, can be irradiated to far very high object, and light impinges upon other than focus when baffle level,
The light of sending comes out in divergent state, can find the object in nearby larger range, easy to adjust simple, is less prone to larger
Light-source box is placed in the outside of pincerlike shell by failure, convenient to safeguard to the light source inside light-source box, is operated more convenient.
Detailed description of the invention
Fig. 1 is schematic diagram of internal structure of the invention；
Fig. 2 is the schematic internal view of surge drum of the present invention；
Fig. 3 is the top view of light-transmissive film of the present invention.
In figure: 1 pincerlike shell, 2 inner cavities, 3 cloches, 4 baffles, 5 link blocks, 6 lantern rings, 7 electric telescopic rods, 8 light-source box,
9 optical fiber, 10 condensers, 11 reflectors, 12 sealing plates, 13 rubber frames, 14 surge drums, 15 axis, 16 rotating cylinders, 17 light-transmissive films, 18
Side lever, 19 roll bars, 20 connecting plates, 21 motors, 22 controllers.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of adjustable automobile LED headlamp, as shown in Figure 1-3, include pincerlike shell 1, pincers
The middle part of shape shell 1 offers inner cavity 2, and the inside of pincerlike shell 1 and the top for being located at inner cavity 2 are connected with cloche 3, pincerlike outer
The inside of shell 1 is bonded with reflector 11, and reflector 11 is smooth close to the side outer wall of cloche 3, and the setting of reflector 11 mentions
The high utilization rate of light, inner cavity 2 is internally provided with baffle 4 compatible with 2 internal diameter of inner cavity, and the top of baffle 4 is equipped with
Reflecting coating, the bottom of baffle 4 are connected with link block 5, and link block 5 is living by the inner wall through its internal rivet and inner cavity 2
Dynamic connection, the bottom of link block 5 are arranged with lantern ring 6, and the side wall of lantern ring 6 is connected with electric telescopic rod 7, and electric telescopic rod 7 is separate
One end of lantern ring 6 and the inner wall of inner cavity 2 are clamped, and are high beam state when baffle 4 tilts, and the light of sending is penetrated in parallel by baffle 4
Out, light is more concentrated, and brightness is larger, can be irradiated to far very high object, when baffle 4 is horizontal light impinge upon focus with
Outside, the light of sending comes out in divergent state, can find the object in nearby larger range, and the inner wall bottom of inner cavity 2 is connected with
Light-source box 8, light-source box 8 are internally provided with the light sources such as light bulb, and the bottom of light-source box 8 extends to the bottom of pincerlike shell 1, and light
Case 8 bottom in source, which is bolted, is equipped with sealing plate 12, and sealing plate 12 is bonded with rubber frame 13, light source close to the side of light-source box 8
The side wall of case 8 offers caulking groove compatible with rubber frame 13, and the setting of rubber frame 13 increases light-source box 8 and connect with sealing plate 12
Compactness, the side that light-source box 8 is located inside inner cavity 2 is connected with optical fiber 9, and optical fiber 9 is connected with poly- far from one end of light-source box 8
Light device 10, condenser 10 are horizontally installed to the inner wall of inner cavity 2 and towards baffles 4, and the top side of baffle 4 is connected with surge drum
14, the side wall of baffle 4 offers card slot compatible with surge drum 14, and is marked with bonding agent between card slot and surge drum 14, makes
Surge drum 14 is fixed more stable, and the inside of surge drum 14 is fixed with axis 15, and the outer cover of axis 15 is equipped with rotating cylinder 16,
The outer wall of axis 15 is arranged with torsional spring, and the both ends of torsional spring are connect with the inner wall of rotating cylinder 16 with the outer wall of axis 15 respectively, rotation
The outer wall winding of rotating cylinder 16 is provided with light-transmissive film 17, and light-transmissive film 17 is formed by connecting by multistage film, size and 4 phase of baffle of every section of film
Adaptation, and the color of every section of film is different, one end of light-transmissive film 17 is connect with rotating cylinder 16, and the side wall of rotating cylinder 16 is connected with side
The inner wall of bar 18, one end insertion surge drum 14 of the side lever 18 far from rotating cylinder 16 is slidably connected with it, and the inner wall of surge drum 14 is opened
Equipped with circular groove compatible with side lever 18, the setting of side lever 18 keeps the movement of rotating cylinder 16 more stable, light-transmissive film 17 it is another
End extends to the outer wall of surge drum 14 and is connected with roll bar 19, and one end of roll bar 19 is connected with connecting plate 20, roll bar 19
The other end is connected with motor 21, and motor 21 and connecting plate 20 are mounted on the top of baffle 4 and the side far from surge drum 14, interior
The inner wall riveting of chamber 2 has controller 22, and motor 21 and electric telescopic rod 7 are electrically connected by conducting wire and controller 22, control
The model US-52 of device 22, working power AC220V50Hz, controller 22 are connect with the middle control of automobile.
Working principle: generating the bright optical fiber 9 that passes through and pass to the amplification directive baffle 4 of condenser 10 inside light-source box 8, electronic
Telescopic rod 7 controls the inclination of the baffle 4 at link block 5 and its top, is high beam state when baffle 4 tilts, and the light of sending passes through
Baffle 4 projects in parallel, and light is more concentrated, and brightness is larger, can be irradiated to far very high object, and baffle 4 is close when horizontal
Light lamp state, light impinge upon other than focus, and the light of sending comes out in divergent state, can find the object in nearby larger range
Body, motor 21 drive roll bar 19 to rotate on connecting plate 20, make light-transmissive film 17 in the outer wall winding of roll bar 19 simultaneously from surge drum
Rotating cylinder 16 in 14 extends, and the setting of side lever 18 keeps the rotation of rotating cylinder 16 more stable, the light-transmissive film 17 of different colours
It is covered on baffle 4, the light of different colours can be launched.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of adjustable automobile LED headlamp, including pincerlike shell (1), inner cavity is offered in the middle part of the pincer shell (1)
(2), the inside of the pincerlike shell (1) and it is located at the top of inner cavity (2) and is connected with cloche (3), it is characterised in that: in described
Chamber (2) is internally provided with baffle (4) compatible with inner cavity (2) internal diameter, and the top of baffle (4) is equipped with reflecting coating, institute
The bottom for stating baffle (4) is connected with link block (5), and the link block (5) passes through through the interior of its internal rivet and inner cavity (2)
Wall is flexibly connected, and the bottom of the link block (5) is arranged with lantern ring (6), and the side wall of the lantern ring (6) is connected with electric telescopic rod
(7), the inner wall of one end and inner cavity (2) far from lantern ring (6) of the electric telescopic rod (7) is clamped, the inner wall bottom of the inner cavity (2)
Portion is connected with light-source box (8), and the bottom of the light-source box (8) extends to the bottom of pincerlike shell (1), and light-source box (8) bottom
It is bolted and is equipped with sealing plate (12), the light-source box (8) is located at the internal side in inner cavity (2) and is connected with optical fiber (9), institute
It states optical fiber (9) to be connected with condenser (10) far from the one end of light-source box (8), the condenser (10) is horizontally installed to inner cavity (2)
Inner wall and towards baffle (4), the top side of the baffle (4) is connected with surge drum (14), the surge drum (14) it is interior
Portion is fixed with axis (15), and the outer cover of the axis (15) is equipped with rotating cylinder (16), and the outer wall of the axis (15) is arranged with
Torsional spring, and the both ends of torsional spring are connect with the inner wall of rotating cylinder (16) with the outer wall of axis (15) respectively, the rotating cylinder (16)
Outer wall winding is provided with light-transmissive film (17), and one end of the light-transmissive film (17) is connect with rotating cylinder (16), the light-transmissive film (17)
The other end extend to the outer wall of surge drum (14) and be connected with roll bar (19), one end of the roll bar (19) is connected with company
The other end of fishplate bar (20), the roll bar (19) is connected with motor (21), and the motor (21) and connecting plate (20) are mounted on
The inner wall riveting of the side of the top of baffle (4) and separate surge drum (14), the inner cavity (2) has controller (22), the horse
It is electrically connected up to (21) and electric telescopic rod (7) by conducting wire and controller (22).
2. a kind of adjustable automobile LED headlamp according to claim 1, it is characterised in that: the pincer shell (1)
Inside is bonded with reflector (11), and side outer wall of the reflector (11) close to cloche (3) is smooth.
3. a kind of adjustable automobile LED headlamp according to claim 1, it is characterised in that: the sealing plate (12) is close
The side of light-source box (8) is bonded with rubber frame (13), and the side wall of the light-source box (8) offers compatible with rubber frame (13)
Caulking groove.
4. a kind of adjustable automobile LED headlamp according to claim 1, it is characterised in that: the side wall of the baffle (4)
Offer with surge drum (14) compatible card slot, and be marked with bonding agent between card slot and surge drum (14).
5. a kind of adjustable automobile LED headlamp according to claim 1, it is characterised in that: the rotating cylinder (16)
Side wall is connected with side lever (18), and the inner wall of one end insertion surge drum (14) of the side lever (18) far from rotating cylinder (16) is slided with it
Dynamic connection, the inner wall of the surge drum (14) offer and side lever (18) compatible circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910026519.XA CN109539171A (en) | 2019-01-11 | 2019-01-11 | A kind of adjustable automobile LED headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910026519.XA CN109539171A (en) | 2019-01-11 | 2019-01-11 | A kind of adjustable automobile LED headlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109539171A true CN109539171A (en) | 2019-03-29 |
Family
ID=65835128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910026519.XA Pending CN109539171A (en) | 2019-01-11 | 2019-01-11 | A kind of adjustable automobile LED headlamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109539171A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941818A (en) * | 2022-07-25 | 2022-08-26 | 南京艾轩科技有限公司 | LED flat lamp |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205227118U (en) * | 2015-10-28 | 2016-05-11 | 重庆雷嘉光电科技有限公司 | Far and near light lighting system of vehicle headlamps |
| CN205332094U (en) * | 2015-10-28 | 2016-06-22 | 重庆雷嘉光电科技有限公司 | Far and near fiber lamp auto -change over device of car |
| CN207471188U (en) * | 2017-11-21 | 2018-06-08 | 贵州航天风华实业有限公司 | Color-changed LED fluorescent tube |
-
2019
- 2019-01-11 CN CN201910026519.XA patent/CN109539171A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205227118U (en) * | 2015-10-28 | 2016-05-11 | 重庆雷嘉光电科技有限公司 | Far and near light lighting system of vehicle headlamps |
| CN205332094U (en) * | 2015-10-28 | 2016-06-22 | 重庆雷嘉光电科技有限公司 | Far and near fiber lamp auto -change over device of car |
| CN207471188U (en) * | 2017-11-21 | 2018-06-08 | 贵州航天风华实业有限公司 | Color-changed LED fluorescent tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941818A (en) * | 2022-07-25 | 2022-08-26 | 南京艾轩科技有限公司 | LED flat lamp |
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