CN108036250A - A kind of light environment simulator of train - Google Patents
A kind of light environment simulator of train Download PDFInfo
- Publication number
- CN108036250A CN108036250A CN201711429253.0A CN201711429253A CN108036250A CN 108036250 A CN108036250 A CN 108036250A CN 201711429253 A CN201711429253 A CN 201711429253A CN 108036250 A CN108036250 A CN 108036250A
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- China
- Prior art keywords
- illumination lamp
- lampshade
- light environment
- train
- illumination
- 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
- 238000005286 illumination Methods 0.000 claims abstract description 110
- 239000011521 glass Substances 0.000 claims description 20
- 238000001228 spectrum Methods 0.000 claims description 12
- 238000002474 experimental method Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 206010052128 Glare Diseases 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 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
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/08—Lighting devices intended for fixed installation with a standard
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
-
- 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
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
-
- 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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
Abstract
The invention discloses a kind of light environment simulator of train, including vertically disposed illumination lamp support (1), the right side of the illumination lamp support (1) is continuously provided with multiple hollow lampshade holding tanks (10) successively, the right openings of each lampshade holding tank (10), each lampshade holding tank (10) is interior to be placed with a hollow illumination lamp lampshade (2)；The right openings of each illumination lamp lampshade (2), each illumination lamp lampshade (2) is interior to be provided with an illumination lamp (4)；Positive the right of the illumination lamp support (1) is used to place the train (5) for needing to provide sunlight light environment.A kind of light environment simulator of train disclosed by the invention, it can provide global illumination intensity relatively uniform sunlight light environment for the outer surface of train body, so as to allow user reliably to carry out illumination performance experiment to train, be conducive to widely apply, be of great practical significance.
Description
Technical field
The present invention relates to train experimental technique field, more particularly to a kind of light environment simulator of train.
Background technology
At present, illumination ageing experiment is a kind of natural environment that sunlight is simulated using artificial light sources, and then verification plastics,
Test method of the high molecular materials such as rubber, coating to natural environment resistivity；Equipment and materials is by prolonged artificial
The failure phenomenons such as discoloration, corrugation, cracking occur after light source irradiation, can by analyzing the failure conditions of experimental condition and material
With the against weather grade of assessment material.In order to examine air-conditioning in the case of summer solar exposure air conditioner refrigerating performance and car paint,
The aging conditions of rubber packing material, it is necessary to the different in the process of moving sunlight light environment of simulation test train to train
Influence, such as need influence of the sunlight irradiation environment to train among simulation one day under different time sections.
For example, at summer, strong solar exposure can allow the temperature of car body to raise, while sunlight passes through the irradiation of window
Substantial amounts of heat can be brought.With reference to very high temperature, most harsh requirement is brought to the refrigeration performance of train air-conditioning at this time.Pass through
The sunlight of the various intensities of illumination of simulation earth surface and irradiating angle is provided in laboratory, for examining extreme operating condition Train empty
The refrigeration performance and reliable long-term working of tune.Wherein, it is desirable to which light environment need to reach the extreme value 1120W/ of earth surface illumination
㎡, meets uniform illumination degree ± 10%, meanwhile, spectrum is consistent with solar spectrum (including infrared ray, visible ray, ultraviolet).
Existing illumination instrument, mainly provides light environment for small-sized product, can not be suitable for train body etc.
Large product, the outer surface not simply failed to as train body provide global illumination intensity relatively uniform sunlight light environment.
Therefore, at present there is an urgent need to develop a kind of device is gone out, it can provide global illumination for the outer surface of train body
The relatively uniform sunlight light environment of intensity.
The content of the invention
In view of this, the object of the present invention is to provide a kind of light environment simulator of train, it can be train car
The outer surface of body provides global illumination intensity relatively uniform sunlight light environment, so as to allow user reliably to train
Illumination performance experiment is carried out, is conducive to widely apply, is of great practical significance.
For this reason, the present invention provides a kind of light environment simulator of train, including vertically disposed illumination lamp support,
The right side of the illumination lamp support is continuously provided with multiple hollow lampshade holding tanks successively, the right side of each lampshade holding tank
Side opening, is each placed with a hollow illumination lamp lampshade in the lampshade holding tank；
The right openings of each illumination lamp lampshade, are each provided with an illumination lamp in the illumination lamp lampshade；
Positive the right of the illumination lamp support is used to place the train for needing to provide sunlight light environment.
Wherein, the illumination lamp support is the frame that a right side wall is gradually curved from the bottom up.
Wherein, the illumination lamp is solar spectrum lamp.
Wherein, there is recessed reflective surface in the illumination lamp lampshade.
Wherein, the front and rear sides of each illumination lamp lampshade pass through a rotation axis and illumination overhead lighting batten respectively
Lower end is hinged, and the upper end of each illumination overhead lighting batten is fixed on the corresponding lampshade holding tank inside top face；
Vertical join line between described two rotation axis passes through the focal position of the reflective surface；
Each the position between the rotation axis and the illumination lamp lampshade is additionally provided with a dial.
Wherein, covering is provided with one block of transparent filter glass at the right openings of each illumination lamp lampshade.
Wherein, it is arranged in parallel between two filter glasses of arbitrary neighborhood or is located along the same line.
Wherein, it is sealed connection between the right openings of each illumination lamp lampshade and the filter glass.
Wherein, the filter glass is only to allow the glass that light passes through in default solar spectrum wave-length coverage.
Wherein, the default solar spectrum wave-length coverage is 0.2 micron~3.0 microns.
Technical solution provided by the invention is as it can be seen that compared with prior art, the present invention provides a kind of train more than
Light environment simulator, it can provide global illumination intensity relatively uniform sunlight light for the outer surface of train body
According to environment, so as to allow user reliably to carry out illumination performance experiment to train, be conducive to widely apply, have great
Production practices meaning.
In addition, for the light environment simulator of train provided by the invention, it can be provided one day for train simulation
Sunlight light environment under different time sections in the middle, preferably meets the needs of carrying out illumination performance experiment to train.
Brief description of the drawings
Fig. 1 is a kind of light environment simulator of train provided by the invention in the structural representation along after laterally splitting
Schematic diagram；
Fig. 2 be a kind of train provided by the invention light environment simulator when being fitted without illumination lamp, along horizontal stroke
To the structure schematic diagram after splitting；
Fig. 3 is a kind of embodiment of light environment simulator and the position of a train of a kind of train provided by the invention
Relation schematic diagram；
Fig. 4 is the interior light set of a lampshade holding tank in a kind of light environment simulator of train provided by the invention
The structure diagram of illuminator lampshade；
Fig. 5 be a kind of train provided by the invention light environment simulator in any one illumination lamp lampshade solid
Structure diagram；
Fig. 6 is the illumination lamp lampshade in a kind of light environment simulator of train provided by the invention at right openings
Front view during observation；
In figure, 1 is illumination lamp support, and 2 be illumination lamp lampshade, and 3 be filter glass, and 4 be illumination lamp, and 5 be train, and 6 be rotation
Shaft, 7 be illumination overhead lighting batten, and 8 be dial, and 9 be reflective surface, and 10 be lampshade holding tank.
Embodiment
In order to make those skilled in the art more fully understand the present invention program, below in conjunction with the accompanying drawings with embodiment to this
Invention is described in further detail.
Referring to Fig. 1 to Fig. 6, the present invention provides a kind of light environment simulator of train, is mainly used for as train car
The outer surface of body provides the sunlight light environment of global illumination even intensity, it includes vertically disposed illumination lamp support 1, institute
The right side for stating illumination lamp support 1 is continuously provided with multiple hollow lampshade holding tanks 10 successively, each lampshade holding tank 10
Right openings, be placed with a hollow illumination lamp lampshade 2 in each lampshade holding tank 10；
The right openings of each illumination lamp lampshade 2, are each provided with an illumination lamp 4 in the illumination lamp lampshade 2；
Positive the right of the illumination lamp support 1 is used to place the train 5 for needing to provide sunlight light environment.
In the present invention, the illumination lamp support 1 is the frame that a right side wall is gradually curved from the bottom up.Therefore, may be used
To ensure the intensity of illumination of the side of train body and top surface.
In the present invention, the illumination lamp 4 is preferably solar spectrum lamp.With recessed anti-in the illumination lamp lampshade 2
Smooth surface 9, recessed crooked radian verify the final shaping by repeatedly research and development, to ensure the maximum reflecting rate of light, improve light
Source utilization rate and ensure light ray parallel export.
In specific implementation, to the right, wherein left and right side is slightly longer and upper following, mainly considers for the opening of the illumination lamp 4
To ensure the uniform illumination degree of car body surface to greatest extent, since train length is more than height, so the uniformity in terms of height
More difficult satisfaction, if using short side in terms of height, can increase illumination lamp quantity and the uniformity is also not easily adjusted, Suo Youlie
The long side of lamp is used in terms of height；Shape comparison rule in terms of train length, upper below is also not easy to produce using relatively short
The problem of raw uniformity, can meet experiment demand well with reference to actual conditions using rectangular opening mode.
In the specific implementation of the present invention, covered at the right openings of each illumination lamp lampshade 2 and be provided with one piece thoroughly
Bright filter glass 3.
It should be noted that in the present invention, selected filter glass 3 has the function that high temperature resistant and filters, and passes through
Long-time service does not interfere with intensity of illumination, itself property determines can be with long-time service specific implementations, two of arbitrary neighborhood
It is arranged in parallel between the filter glass 3 or is located along the same line, and the filter glass 3 is pre- only to allow
If solar spectrum wave-length coverage in the glass that passes through of light, therefore, pass through the filter glass 3 so that other veiling glares were able to
Filter, by the screening of optical filtering band, ensure to be irradiated to the light of Train surface closest to real sunlight.
In specific implementation, the default solar spectrum wave-length coverage can be 0.2 micron~3.0 microns, each described
It is sealed connection between the right openings of illumination lamp lampshade 2 and the filter glass 3.
It should be noted that for the present invention, different distance can be tested by the ionization meter to single illumination lamp
Intensity of illumination changes, fluorescent tube itself spectral measurement and the spectral measurement by transparent glass, and coating film on glass optical filtering effect is altered in steps
Fruit so that closest with natural spectrum.Illumination lamp layout type is developed, improves illumination lamp efficiency to greatest extent.
For the present invention, it disclosure satisfy that train illumination the intensity of illumination and uniformly of roof, headstock, vehicle body and vehicle window
Degree, by array layout, meets the comprehensive requirement of car body surface.
Therefore, understood based on above scheme, for the present invention, it is according to the spy that sunlight illumination experiment is carried out to train
Point, accurately arranges the position of each illumination lamp, and is further ensured that the illumination of the irradiation face of illumination lamp by finely tuning rotation axis
Intensity, base oneself upon it is energy-efficient on the basis of, better met the irradiation intensity of train body outer surface.
Shown in Figure 4, in the present invention, in specific implementation, the front and rear sides of each illumination lamp lampshade 2 lead to respectively
Cross a rotation axis 6 and the lower end of an illumination overhead lighting batten 7 is hinged, the upper end of each illumination overhead lighting batten 7 is fixed on pair
On the 10 inside top face of the lampshade holding tank answered.
In specific implementation, each the position between the rotation axis 6 and the illumination lamp lampshade 2 is additionally provided with a scale
Disk 8, for knowing the rotation angle size of illumination lamp lampshade 2.
It should be noted that in the present invention, the setting of the rotation axis be not merely for fixed-illumination lamp lampshade 2,
Also for the angle of more preferable adjustment illumination lamp lampshade 2, it is located at the both sides of illumination lamp lampshade 2, and described two rotations
Vertical join line between axis 6 passes through the focal position of reflective surface 9, in debugging process, when particularly illumination lamp is a fairly large number of
Wait, critically important effect can be played, by the position rotating of rotation axis, can be solved due to 1 foozle of illumination lamp support
The non-uniform problem of intensity of illumination caused by and.
It should be noted that for the present invention, it can meet the intensity of illumination requirement of unit area on train, and to light
It is controlled according to intensity, and then can meets the Spreading requirements of the intensity of illumination of whole Train surface so that on whole train
Illumination Relative distribution has the higher uniformity than more uniform.
It should be noted that uniform illumination degree refers to the ratio between illumination minimal illumination and average illumination on regulation surface.For
The present invention, it can easily realize any adjusting of car body surface intensity of illumination 500W/ ㎡ to 1120W/ ㎡, and can meet
Evenness is within 10%.
In conclusion compared with prior art, the light environment simulator of this train provided by the invention can be with
There is provided global illumination intensity relatively uniform sunlight light environment for the outer surface of train body, so as to make user reliable
Ground carries out illumination performance experiment to train, is conducive to widely apply, is of great practical significance.
In addition, for the light environment simulator of train provided by the invention, it can be provided one day for train simulation
Sunlight light environment under different time sections in the middle, preferably meets the needs of carrying out illumination performance experiment to train.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. the light environment simulator of a kind of train, it is characterised in that described including vertically disposed illumination lamp support (1)
The right side of illumination lamp support (1) is continuously provided with multiple hollow lampshade holding tanks (10) successively, each lampshade holding tank
(10) right openings, each lampshade holding tank (10) is interior to be placed with a hollow illumination lamp lampshade (2)；
The right openings of each illumination lamp lampshade (2), each illumination lamp lampshade (2) is interior to be provided with an illumination lamp
(4)；
Positive the right of the illumination lamp support (1) is used to place the train (5) for needing to provide sunlight light environment.
2. light environment simulator as claimed in claim 1, it is characterised in that the illumination lamp support (1) is a right side
The frame that side wall is gradually curved from the bottom up.
3. light environment simulator as claimed in claim 1, it is characterised in that the illumination lamp (4) is solar spectrum lamp.
4. light environment simulator as claimed in claim 1, it is characterised in that under having in the illumination lamp lampshade (2)
Recessed reflective surface (9).
5. light environment simulator as claimed in claim 4, it is characterised in that before each illumination lamp lampshade (2)
Both sides are hinged by the lower end of a rotation axis (6) and an illumination overhead lighting batten (7) respectively afterwards, each illumination overhead lighting batten
(7) upper end is fixed on corresponding lampshade holding tank (10) the inside top face；
Vertical join line between described two rotation axis (6) passes through the focal position of the reflective surface (9)；
Each the position between the rotation axis (6) and the illumination lamp lampshade (2) is additionally provided with a dial 8.
6. the light environment simulator as any one of claim 1 to 5, it is characterised in that each illumination lamp
Covering is provided with one piece of transparent filter glass (3) at the right openings of lampshade (2).
7. light environment simulator as claimed in claim 6, it is characterised in that two filter glasses of arbitrary neighborhood
(3) it is arranged in parallel between or is located along the same line.
8. light environment simulator as claimed in claim 6, it is characterised in that the right side of each illumination lamp lampshade (2)
It is sealed connection between side opening and the filter glass (3).
9. light environment simulator as claimed in claim 6, it is characterised in that the filter glass (3) is pre- only to allow
If solar spectrum wave-length coverage in the glass that passes through of light.
10. light environment simulator as claimed in claim 9, it is characterised in that the default solar spectrum wavelength model
Enclose for 0.2 micron~3.0 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711429253.0A CN108036250A (en) | 2017-12-26 | 2017-12-26 | A kind of light environment simulator of train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711429253.0A CN108036250A (en) | 2017-12-26 | 2017-12-26 | A kind of light environment simulator of train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108036250A true CN108036250A (en) | 2018-05-15 |
Family
ID=62101316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711429253.0A Pending CN108036250A (en) | 2017-12-26 | 2017-12-26 | A kind of light environment simulator of train |
Country Status (1)
| Country | Link |
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| CN (1) | CN108036250A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003028785A (en) * | 2001-07-13 | 2003-01-29 | Nisshinbo Ind Inc | Pseudo sunlight irradiation device |
| JP2012078333A (en) * | 2010-09-07 | 2012-04-19 | Peccell Technologies Inc | Environmental test apparatus |
| CN102980088A (en) * | 2011-09-05 | 2013-03-20 | 北京卫星环境工程研究所 | Large-scale indoor solar illumination simulation system |
| CN204345464U (en) * | 2015-01-22 | 2015-05-20 | 重庆交通大学 | Highway tunnel illumination environment simulator |
| TW201537095A (en) * | 2014-03-26 | 2015-10-01 | All Real Technology Co Ltd | Sunlight simulator |
| CN206207162U (en) * | 2016-10-10 | 2017-05-31 | 深圳纯英达业集团有限公司惠州分公司 | Light filling lamp bracket and light compensating lamp |
| CN206469200U (en) * | 2017-01-13 | 2017-09-05 | 惠安县海水货水产有限公司 | A kind of LED daylight lamp built in driving power supply |
| CN206771087U (en) * | 2017-03-02 | 2017-12-19 | 重庆交通大学 | Spliced tunnel illumination simulated test facility |
| CN208011512U (en) * | 2017-12-26 | 2018-10-26 | 天津航天瑞莱科技有限公司 | A kind of light environment simulator of train |
-
2017
- 2017-12-26 CN CN201711429253.0A patent/CN108036250A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003028785A (en) * | 2001-07-13 | 2003-01-29 | Nisshinbo Ind Inc | Pseudo sunlight irradiation device |
| JP2012078333A (en) * | 2010-09-07 | 2012-04-19 | Peccell Technologies Inc | Environmental test apparatus |
| CN102980088A (en) * | 2011-09-05 | 2013-03-20 | 北京卫星环境工程研究所 | Large-scale indoor solar illumination simulation system |
| TW201537095A (en) * | 2014-03-26 | 2015-10-01 | All Real Technology Co Ltd | Sunlight simulator |
| CN204345464U (en) * | 2015-01-22 | 2015-05-20 | 重庆交通大学 | Highway tunnel illumination environment simulator |
| CN206207162U (en) * | 2016-10-10 | 2017-05-31 | 深圳纯英达业集团有限公司惠州分公司 | Light filling lamp bracket and light compensating lamp |
| CN206469200U (en) * | 2017-01-13 | 2017-09-05 | 惠安县海水货水产有限公司 | A kind of LED daylight lamp built in driving power supply |
| CN206771087U (en) * | 2017-03-02 | 2017-12-19 | 重庆交通大学 | Spliced tunnel illumination simulated test facility |
| CN208011512U (en) * | 2017-12-26 | 2018-10-26 | 天津航天瑞莱科技有限公司 | A kind of light environment simulator of train |
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Application publication date: 20180515 |