CN112963772A - Tunnel relieving illumination method - Google Patents
Tunnel relieving illumination method Download PDFInfo
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- CN112963772A CN112963772A CN202110187952.9A CN202110187952A CN112963772A CN 112963772 A CN112963772 A CN 112963772A CN 202110187952 A CN202110187952 A CN 202110187952A CN 112963772 A CN112963772 A CN 112963772A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005286 illumination Methods 0.000 title claims abstract description 21
- 238000004146 energy storage Methods 0.000 claims abstract description 30
- 230000005284 excitation Effects 0.000 claims abstract description 26
- 238000003384 imaging method Methods 0.000 claims abstract description 25
- 239000011248 coating agent Substances 0.000 claims abstract description 22
- 238000000576 coating method Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000003973 paint Substances 0.000 claims abstract description 17
- 239000010410 layer Substances 0.000 claims abstract description 10
- 230000007704 transition Effects 0.000 claims abstract description 10
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 239000011247 coating layer Substances 0.000 claims abstract description 7
- 230000001678 irradiating effect Effects 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- FNWBQFMGIFLWII-UHFFFAOYSA-N strontium aluminate Chemical class [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Sr+2].[Sr+2] FNWBQFMGIFLWII-UHFFFAOYSA-N 0.000 claims description 3
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 230000004313 glare Effects 0.000 description 4
- 206010000369 Accident Diseases 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 241000283153 Cetacea Species 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- 239000011232 storage material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000036626 alertness Effects 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
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Images
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
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
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- 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
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
- F21V9/32—Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
- G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
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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
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/101—Outdoor lighting of tunnels or the like, e.g. under bridges
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- 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 provides a tunnel relieving illumination method, wherein a tunnel comprises tunnel arch walls positioned at two sides and a tunnel arc top positioned at the top, and the tunnel relieving illumination method comprises the following steps: dividing the tunnel into driving transition sections positioned at two ends of an entrance and an exit and a normal driving section connecting the two driving transition sections; spraying a photoinduced energy storage luminous coating within 3.5 meters of the height of the tunnel arch wall from the ground to form a coating layer; installing an LED energy excitation lamp in a spraying area of the photoinduced energy storage luminous paint, wherein the LED energy excitation lamp is used for irradiating the paint layer; and installing an LED water wave lamp and an LED imaging lamp at the arc top of the tunnel in the normal driving section, wherein the LED water wave lamp and the LED imaging lamp are matched to project a picture to the arc top of the tunnel. The tunnel relieving illumination method provided by the invention can relieve the driving fatigue of drivers and passengers in the tunnel and improve the driving safety.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of tunnel lighting, in particular to a tunnel relieving lighting method.
[ background of the invention ]
The tunnel is a road section with the largest safety risk in road operation, and the primary aim of the tunnel lighting system is to create a good visual environment for drivers and passengers, so that the drivers and passengers can safely and comfortably approach and pass through the tunnel at a certain operation speed.
In the related technology, the tunnel lighting system is still in a stage of meeting the brightness requirement of a driver and passengers on lamplight and the visual cognition requirement of static obstacles, and the comfort requirement of the driver and passengers on the lamplight is not considered, so that the driver and passengers are easy to have visual fatigue or fear psychology when driving in a tunnel, and great potential safety hazards exist; meanwhile, the tunnel lighting system needs to operate for a long time, huge energy consumption is generated, and management cost of pipeline operation is increased.
Therefore, there is a need to provide a new tunnel-soothing illumination method to solve the above problems.
[ summary of the invention ]
The invention aims to overcome the technical problems and provide a tunnel relieving lighting method which can relieve the driving fatigue of drivers and passengers and reduce the energy consumption.
In order to achieve the above object, the present invention provides a tunnel soft lighting method, wherein a tunnel comprises tunnel arch walls at two sides and a tunnel arc roof at the top, the tunnel soft lighting method comprises:
dividing the tunnel into driving transition sections positioned at two ends of an entrance and an exit and a normal driving section connecting the two driving transition sections;
spraying a photoinduced energy storage luminous coating within 3.5 meters of the height of the tunnel arch wall from the ground to form a coating layer;
installing an LED energy excitation lamp in a spraying area of the photoinduced energy storage luminous paint, wherein the LED energy excitation lamp is used for irradiating the paint layer;
and installing an LED water wave lamp and an LED imaging lamp at the arc top of the tunnel in the normal driving section, wherein the LED water wave lamp and the LED imaging lamp are matched to project a picture to the arc top of the tunnel.
Preferably, the installation height of the LED energy excitation lamps is 3.5 meters, and the interval between two adjacent LED energy excitation lamps is 1 meter.
Preferably, the interval between two adjacent LED water wave lamps is 4.5 meters; the interval between two adjacent LED imaging lamps is 100 meters.
Preferably, the composition of the photo-induced energy storage luminescent coating comprises: styrene-acrylic emulsion, strontium aluminate series luminescent powder, fire retardant and waterproof agent.
Compared with the prior art, in the tunnel relieving illumination method provided by the invention, the light enhancement of the energy storage luminous paint in the tunnel ensures that the vision of the whole driving section is clear, and a clear safety indication wide band mark is formed on the wall surfaces at two sides, so that drivers and passengers can safely drive at proper brightness; the LED water texture projection lamp and the LED imaging lamp present different scenes in a top arc, so that drivers and passengers fully feel close to nature, visual and psychological pleasure is brought, driving risk factors generated under low illumination and glare in tunnel driving are reduced, and fatigue states and fear psychology of the drivers and passengers are eliminated; the photo-induced energy storage luminous coating has high light receiving performance and high conversion performance and is assisted with LED energy to excite the lamp. On the premise of meeting the national traffic safety illumination standard, the power of the lighting lamp is greatly reduced, so that the purposes of energy conservation and emission reduction are achieved; the photo-induced energy storage luminescent coating has a long-acting light-extending function. Under the condition of emergency power failure or fire accident, the escape device can effectively play the role of evacuation and emergency escape, and reduce the huge loss caused by accidents.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a cross-sectional view of a tunnel configured in accordance with the tunnel comfort lighting method provided by the present invention;
fig. 2 is a graph showing an afterglow decay curve of a photo-induced energy storage luminescent coating after the photo-induced energy storage luminescent coating is irradiated by the LED energy excitation lamp and a common LED lamp in the related art respectively;
FIG. 3(a) is an effect diagram of the LED moire pattern lamp and the LED imaging lamp when both are turned on; FIG. 3(b) is an effect diagram when the LED water wave lamp is turned off and the LED imaging lamp is turned on; FIG. 3(c) is an effect diagram of the LED moire pattern lamp and the LED imaging lamp when both are turned off.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a method for illuminating a tunnel, where the tunnel 200 includes tunnel arch walls 210 at two sides and a tunnel arc roof 220 at the top, and the method for illuminating the tunnel includes:
dividing the tunnel into driving transition sections positioned at two ends of an entrance and an exit and a normal driving section connecting the two driving transition sections;
spraying a photoinduced energy storage luminous coating within 3.5 meters of the height of the tunnel arch wall from the ground to form a coating layer;
installing an LED energy excitation lamp in a spraying area of the photoinduced energy storage luminous paint, wherein the LED energy excitation lamp is used for irradiating the paint layer;
and installing an LED water wave lamp and an LED imaging lamp at the arc top of the tunnel in the normal driving section, wherein the LED water wave lamp and the LED imaging lamp are matched to project a picture to the arc top of the tunnel.
The section of the tunnel 200 is generally in an arched shape, the coating layer 10 is arranged in the tunnel arch wall at a height of 3.5 meters from the ground, the coating layer 10 can emit light, the illumination in the tunnel is increased, the visual field is clear, the 'black hole' or 'blind light' and 'glare' in the tunnel are eliminated, a clear safety width band mark is formed on the tunnel arch walls 210 on the two sides, and drivers and passengers can conveniently judge the trend and the width of a road ahead. In addition, the photoinduced energy storage luminous coating has a long-acting light-extending function, can effectively play a role in evacuation and emergency escape under the condition of emergency power failure or fire accident, and reduces huge loss caused by accidents. The spraying process of the paint layer 10 is performed by using the conventional techniques in the art, and the present invention is not limited thereto.
Further, the composition of the photo-induced energy storage luminous paint comprises: styrene-acrylic emulsion, strontium aluminate series luminescent powder, fire retardant and waterproof agent.
Referring to table 1, table 1 shows the physical and chemical properties of the photo-induced energy storage luminescent coating. As can be seen from Table 1, the photo-induced energy storage luminescent coating has excellent performance in all aspects, can meet the use conditions in tunnels, and meets the corresponding national standards. Meanwhile, the photoinduced energy storage luminous coating has high light receiving performance and high conversion performance, and can greatly reduce the power of the lighting lamp on the premise of meeting the standard of national traffic safety illumination so as to achieve the purposes of energy conservation and emission reduction.
TABLE 1 physical and chemical Properties of the photo-induced energy storage luminescent coating
The LED energy excitation lamp adopted by the invention is a purple light lamp with the safe wavelength of 395nm-450nm disclosed in CN 109340657A. Further, the photoluminescent energy storage material is coated on a substrate plate 1 × 1m, the thickness of the coating is 1mm, 10w of a common LED lamp and 10w of the LED energy excitation lamp are respectively used for irradiating for 5min, and then the illuminance is measured, and the measurement result is shown in fig. 2, where fig. 2 is an afterglow attenuation curve of the photoluminescent energy storage material. Wherein the curve I is an afterglow attenuation curve of the photoluminescent energy storage luminescent coating after the LED energy excitation lamp irradiates; and the curve II is an afterglow attenuation curve of the energy storage luminous paint after the common LED irradiates. As can be seen from fig. 2, after the LED energy excitation lamp is excited, the illuminance of the photo-induced energy storage luminescent coating is higher than that of a common LED; the illumination intensity of the energy storage luminous coating decays relatively quickly within 10 minutes, and the illumination intensity decays smoothly after 10 minutes. It can be understood that under the condition of reaching the same illuminance, the irradiation time of the LED energy excitation lamp can be shortened, and simultaneously the LED energy excitation lamp is set to the intermittent operation, and when the LED energy excitation lamp stops working, the afterglow of the photoluminescent energy storage coating still can meet the illuminance requirement in the tunnel, thereby achieving the purpose of energy saving.
Preferably, in the tunnel 200, the installation height of the LED energy excitation lamps 20 is 3.5, so that the LED energy excitation lamps 20 are located on the top of the paint layer 10, and the interval between two adjacent LED energy excitation lamps 20 is 1 meter. The arch wall 210 is arc-shaped, and the LED energy excitation lamp 20 is arranged at the top of the paint layer 10, so that light rays emitted by the LED energy excitation lamp 20 can irradiate on the paint layer 10 from top to bottom and completely cover the paint layer 10, and a light covering blind area cannot be generated due to the influence of the LED energy excitation lamp 20 on a shell or a mounting bracket. Simultaneously, adjacent two the installation interval control of LED energy arouses lamp 20 is 1 meter for adjacent two the light that LED energy arouses lamp 20 to send can superpose each other, guarantees receive on the dope layer 10 the luminous intensity of LED energy arouses lamp 20, reaches better excitation effect.
Preferably, the interval between two adjacent LED water wave lamps 30 is 4.5 meters. The interval between two adjacent LED imaging lamps 40 is 100 meters. The LED watermark lamps 30 and the LED imaging lamps 40 cooperate to project images to the tunnel arc roof 220. For example: the LED water wave lamp 30 can project blue water wave shapes to the tunnel arc top 220, and the LED imaging lamp 40 can project dynamic whale shapes to the tunnel arc top 220 to form dynamic pictures of whale swimming in the sea; or, the LED watermark lamp 30 may project a green lawn shape to the tunnel arc top 220, and the LED imaging lamp 40 may project a dynamic fawn shape to form a dynamic image of the fawn jumping on the lawn. The LED water wave lamp 30 and the projection picture of the LED imaging lamp 40 can be selected according to actual needs, different scenes are presented on the tunnel arc top 220, drivers and passengers can fully feel close to nature, visual and psychological pleasure is brought, driving risk factors generated under low illumination and glare in tunnel driving are reduced, fatigue states and fear psychology of drivers and passengers are eliminated, and the projection picture of the LED water wave lamp 30 and the projection picture of the LED imaging lamp 40 can be selected according to actual needs. In addition, the projection picture can also be pictures for promoting slogans, warning slogans and the like to remind drivers and passengers to improve the driving alertness, and the driving safety can also be improved.
Example one
In this embodiment, the tunnel comfort lighting method provided by the present invention is implemented at 700 meters in the middle section of the "all (uniform) fragrance (grira) high-speed six (water-coiling) weiwei (ning) section high-speed huang house-based tunnel", wherein the tunnel includes a driving transition section at an entrance of 50 meters, a normal driving section of 600 meters and a driving transition section at an exit of 50 meters. According to the tunnel relieving illumination method provided by the invention, a coating layer, an LED energy excitation lamp, an LED water wave lamp and an LED imaging lamp are arranged.
FIG. 3(a) is an effect diagram of the LED moire pattern lamp and the LED imaging lamp when both are turned on; FIG. 3(b) is an effect diagram when the LED water wave lamp is turned off and the LED imaging lamp is turned on; FIG. 3(c) is an effect diagram of the LED moire pattern lamp and the LED imaging lamp when both are turned off.
Referring to table 2, table 2 is a comprehensive energy consumption comparison table for tunnel lighting in this embodiment, and it can be seen from table 2 that the energy consumption of the relieving lighting method provided by the present invention is saved by 33% compared with the energy-saving LED lamp lighting in the related art when the average illumination meets the related national requirements for tunnel driving.
TABLE 2 comprehensive energy consumption comparison for tunnel lighting
Compared with the prior art, in the tunnel relieving illumination method provided by the invention, the light enhancement of the energy storage luminous paint in the tunnel ensures that the vision of the whole driving section is clear, and a clear safety indication wide band mark is formed on the wall surfaces at two sides, so that drivers and passengers can safely drive at proper brightness; the LED water texture projection lamp and the LED imaging lamp present different scenes in a top arc, so that drivers and passengers fully feel close to nature, visual and psychological pleasure is brought, driving risk factors generated under low illumination and glare in tunnel driving are reduced, and fatigue states and fear psychology of the drivers and passengers are eliminated; the photo-induced energy storage luminous coating has high light receiving performance and high conversion performance and is assisted with LED energy to excite the lamp. On the premise of meeting the national traffic safety illumination standard, the power of the lighting lamp is greatly reduced, so that the purposes of energy conservation and emission reduction are achieved; the photo-induced energy storage luminescent coating has a long-acting light-extending function. Under the condition of emergency power failure or fire accident, the escape device can effectively play the role of evacuation and emergency escape, and reduce the huge loss caused by accidents.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (4)
1. A tunnel relieving illumination method is characterized in that a tunnel comprises tunnel arch walls at two sides and a tunnel arc top at the top, and the tunnel relieving illumination method comprises the following steps:
dividing the tunnel into driving transition sections positioned at two ends of an entrance and an exit and a normal driving section connecting the two driving transition sections;
spraying a photoinduced energy storage luminous coating within 3.5 meters of the height of the tunnel arch wall from the ground to form a coating layer;
installing an LED energy excitation lamp in a spraying area of the photoinduced energy storage luminous paint, wherein the LED energy excitation lamp is used for irradiating the paint layer;
and installing an LED water wave lamp and an LED imaging lamp at the arc top of the tunnel in the normal driving section, wherein the LED water wave lamp and the LED imaging lamp are matched to project a picture to the arc top of the tunnel.
2. The method of claim 1, wherein the LED energy-activated lamps are installed at a height of 3.5 m and are spaced apart by 1 m.
3. The method of claim 1, wherein the spacing between two adjacent LED water wave lamps is 4.5 meters; the interval between two adjacent LED imaging lamps is 100 meters.
4. The method of tunnel soothing lighting according to claim 1, wherein the composition of the photo-storage luminescent coating comprises: styrene-acrylic emulsion, strontium aluminate series luminescent powder, fire retardant and waterproof agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110187952.9A CN112963772A (en) | 2021-02-18 | 2021-02-18 | Tunnel relieving illumination method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110187952.9A CN112963772A (en) | 2021-02-18 | 2021-02-18 | Tunnel relieving illumination method |
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| CN112963772A true CN112963772A (en) | 2021-06-15 |
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| CN202110187952.9A Pending CN112963772A (en) | 2021-02-18 | 2021-02-18 | Tunnel relieving illumination method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351138A (en) * | 2016-11-02 | 2017-01-25 | 安徽中益新材料科技有限公司 | Highway tunnel green lighting method effectively utilizing light energy |
| CN206908899U (en) * | 2017-04-27 | 2018-01-19 | 贵州省公路工程集团有限公司 | A kind of medium tunnel segmented illumination control system |
| CN108677645A (en) * | 2018-08-21 | 2018-10-19 | 贵州省材料产业技术研究院 | A kind of energy-efficient energy-accumulating luminous road surface and its construction method |
| CN109340657A (en) * | 2018-10-23 | 2019-02-15 | 贵州西能电光科技发展有限公司 | The purple light lamps and lanterns that a kind of safe wavelength is 395nm-450nm |
| CN209540616U (en) * | 2019-01-16 | 2019-10-25 | 中交第一公路勘察设计研究院有限公司 | A kind of lighting system suitable in Super Long Tunnel |
| CN210319593U (en) * | 2019-08-09 | 2020-04-14 | 中交国通智能科技有限公司 | Tunnel lighting system |
| CN210662676U (en) * | 2019-07-12 | 2020-06-02 | 河北工业大学 | Tunnel landscape lighting device |
-
2021
- 2021-02-18 CN CN202110187952.9A patent/CN112963772A/en active Pending
Patent Citations (7)
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|---|---|---|---|---|
| CN106351138A (en) * | 2016-11-02 | 2017-01-25 | 安徽中益新材料科技有限公司 | Highway tunnel green lighting method effectively utilizing light energy |
| CN206908899U (en) * | 2017-04-27 | 2018-01-19 | 贵州省公路工程集团有限公司 | A kind of medium tunnel segmented illumination control system |
| CN108677645A (en) * | 2018-08-21 | 2018-10-19 | 贵州省材料产业技术研究院 | A kind of energy-efficient energy-accumulating luminous road surface and its construction method |
| CN109340657A (en) * | 2018-10-23 | 2019-02-15 | 贵州西能电光科技发展有限公司 | The purple light lamps and lanterns that a kind of safe wavelength is 395nm-450nm |
| CN209540616U (en) * | 2019-01-16 | 2019-10-25 | 中交第一公路勘察设计研究院有限公司 | A kind of lighting system suitable in Super Long Tunnel |
| CN210662676U (en) * | 2019-07-12 | 2020-06-02 | 河北工业大学 | Tunnel landscape lighting device |
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| Title |
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| 张亦洋 等: "《高速公路隧道微光同速警示导引照明设计与应用》", 《绿色交通》 * |
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