CN109723457A - Ambient lighting optimization method in vcehicular tunnel - Google Patents
Ambient lighting optimization method in vcehicular tunnel Download PDFInfo
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- CN109723457A CN109723457A CN201811573116.9A CN201811573116A CN109723457A CN 109723457 A CN109723457 A CN 109723457A CN 201811573116 A CN201811573116 A CN 201811573116A CN 109723457 A CN109723457 A CN 109723457A
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Abstract
Ambient lighting optimization method in a kind of vcehicular tunnel provided by the invention, comprising: the inside wall between tunnel entrance is coated with accumulation of energy reflective layer；The altitude curve of the accumulation of energy reflective layer is sine curve；The brightness of illumination in tunnel can be effectively supplemented under the premise of not increasing lighting power and illuminator, so as to which the energy consumption of entire tunnel illuminating system is effectively reduced, and good visual reference system can be set up, the visual environment in tunnel is enriched, driving fatigue can be effectively relieved.
Description
Technical field
The present invention relates to ambient lighting optimization methods in field of traffic more particularly to a kind of vcehicular tunnel.
Background technique
With the development that national communication is built, highway construction especially expressway construction is increasingly accelerated.With a varied topography
Mountainous region, vcehicular tunnel, which has, to be shortened highway mileage, improves traffic transportation efficiency, energy saving land used and keep ecological environment etc.
Advantage.Since the 21th century, the growth rate of vcehicular tunnel total kilometrage is 46.7%, much higher than the growth rate of highway itself
29%, show the importance of vcehicular tunnel especially highway extra-long tunnel, long tunnel built and runed in transportation business
Increasingly prominent.But as the scale of Tunnel Engineering is increasing, the operation electricity charge in tunnel and maintenance cost are also higher and higher.How
Tunnel illumination expense is reduced, highway tunnel illumination is made to realize that energy conservation operation has great importance.
The scale and quantity of highway tunnel illumination setting at present are increasing, and in addition to construction investment early period, vcehicular tunnel shines
Bright maintenance is also a part important in tunnel cost.With the long-term operation in tunnel, tunnel-side is by vehicle exhaust, particulate matter
Influence, usually there is tunnel environment pollution serious situation, thus attract the decline of original lighting quality.And part tunnel
Operation even more ignores traffic safety to reduce running cost, using turning off part lamps and lanterns or even the non-standard operations such as do not turn on light
To reduce tunnel illumination operation cost.Many reasons all decline tunnel illumination quality, bring great safety to tunnel driving
Hidden danger；On the other hand, environment lacks visual reference system in existing vcehicular tunnel, and visual environment is relatively simple, so that driving
The person of sailing is easy to produce visual fatigue, is unfavorable for traffic safety.
Therefore, in order to solve the above-mentioned technical problem, need to propose a kind of new solution.
Summary of the invention
In view of this, can not increase the object of the present invention is to provide ambient lighting optimization method in a kind of vcehicular tunnel
The brightness of illumination in tunnel can be effectively supplemented under the premise of adding lighting power and illuminator, it is whole so as to be effectively reduced
The energy consumption of a tunnel illuminating system, and good visual reference system can be set up, enrich the visual environment in tunnel, Neng Gouyou
Effect alleviates driving fatigue, promotes euphorosia sense of the driver in tunnel, avoids traffic safety hidden danger.
Ambient lighting optimization method in a kind of vcehicular tunnel provided by the invention, comprising:
Inside wall between tunnel entrance is coated with accumulation of energy reflective layer；
The altitude curve of the accumulation of energy reflective layer is sine curve.
Further, the altitude curve of the high diffusing reflection layer and accumulation of energy reflective layer is determined by following formula:
Wherein, YiFor the altitude curve of entrance and the accumulation of energy reflective layer of changeover portion, Y3Accumulation of energy for the interlude in tunnel is anti-
The altitude curve of photosphere, Y4For the accumulation of energy reflective layer altitude curve of the outlet end in tunnel, L is length of tunnel, and W is the road surface in tunnel
Width, EiMiddle i=1,2, as i=1, E1For the brightness of the entrance in tunnel, as i=2, E2For tunnel changeover portion it is bright
Degree, E3For the brightness of the interlude in tunnel, E4For the brightness of the outlet section in tunnel,For brightness contrast coefficient, θiFor entering for tunnel
The diffusing reflection rate of the accumulation of energy reflective layer of mouth section and changeover portion, i=1,2；θ3For the interlude in tunnel accumulation of energy reflective layer it is unrestrained anti-
Penetrate rate, θ4For the diffusing reflection rate of the accumulation of energy reflective layer of tunnel-side, H is the height in tunnel.
Further, the diffusing reflection rate of accumulation of energy reflectorized material is determined according to the following method:
Wherein, H is tunnel height, and B is the width in tunnel, and V sets for tunnel
Count speed, θiFor the diffusing reflection rate of the accumulation of energy reflective layer of the entrance and changeover portion in tunnel, i=1,2；θ3For the interlude in tunnel
Accumulation of energy reflective layer diffusing reflection rate, θ4For the diffusing reflection rate of the accumulation of energy reflective layer of tunnel-side；S is noctovision luminous flux, and P is
Photopic vision luminous flux；LθiFor the incident brightness of entrance and the accumulation of energy reflective layer of changeover portion tunnel-side, i=1,2；Lθ3For in
Between section tunnel-side accumulation of energy reflective layer reflecting brightness, Lθ4Reflection for the accumulation of energy reflective layer of outlet section section tunnel-side is bright
Degree；
Intermediate variableIt is calculated by following formula:
Wherein, Sλ(λ) is the spectral power distribution function of lamps and lanterns, V1(λ) is dark
Vision spectral luminous efficiency function, V (λ) are relative luminous efficiency function, and λ is the optical wavelength of the visible light of lamps and lanterns.
Further, further includes: in tunnel, headlamp is arranged in roof, and method for arranging is as follows:
In tunnel, three row's headlamps are arranged along length of tunnel extending direction in roof, wherein row's headlamp is set to tunnel top
On the center line of the length direction of wall, in addition two rows of headlamps are symmetrically respectively in the two sides of the headlamp positioned at center line, and two
The headlamp of side is staggered.
Further, the headlamp positioned at the two sides of length of tunnel direction center line is obliquely installed, and inclination angle betajAccording to
Following method determines:
Wherein, W is the width of roadway in tunnel；θjFor the reflective material of each section in tunnel of accumulation of energy
The diffusing reflection rate of material, YjFor the altitude curve of each section of accumulation of energy reflective layer in tunnel；J=1,2,3,4, respectively indicate entrance,
Changeover portion, interlude and outlet section.
Further, further include that the lateral wall of cable duct in tunnel is coated with the reflective index wire of accumulation of energy red and white, and
The spacing of the reflective index wire of accumulation of energy is 30-40m.
Beneficial effects of the present invention: by means of the invention it is possible under the premise of not increasing lighting power and illuminator
The brightness of illumination in tunnel can be effectively supplemented, so as to which the energy consumption of entire tunnel illuminating system is effectively reduced, and can
Good visual reference system is set up, the visual environment in tunnel is enriched, driving fatigue can be effectively relieved, promotes driver in tunnel
Euphorosia sense in road, avoids traffic safety hidden danger.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is tunnel-side reflection layer structure schematic diagram of the invention.
Fig. 2 is tunnel roof illuminant arrangement structural schematic diagram of the invention.
Specific embodiment
Further description is made to the present invention below in conjunction with Figure of description:
Ambient lighting optimization method in a kind of vcehicular tunnel provided by the invention, comprising:
Inside wall between tunnel entrance is coated with accumulation of energy reflective layer；
The altitude curve of the accumulation of energy reflective layer can not increase lighting power by the above method for sine curve
And brightness of illumination in tunnel can be effectively supplemented under the premise of illuminator, so as to which entire tunnel illumination is effectively reduced
The energy consumption of system, and good visual reference system can be set up, the visual environment in tunnel is enriched, driving can be effectively relieved
Fatigue promotes euphorosia sense of the driver in tunnel, avoids traffic safety hidden danger.
In the present embodiment, the altitude curve of the high diffusing reflection layer and accumulation of energy reflective layer is determined by following formula:
Wherein, YiFor the altitude curve of entrance and the accumulation of energy reflective layer of changeover portion, Y3Accumulation of energy for the interlude in tunnel is anti-
The altitude curve of photosphere, Y4For the accumulation of energy reflective layer altitude curve of the outlet end in tunnel, L is length of tunnel, and W is the road surface in tunnel
Width, EiMiddle i=1,2, as i=1, E1For the brightness of the entrance in tunnel, as i=2, E2For tunnel changeover portion it is bright
Degree, E3For the brightness of the interlude in tunnel, E4For the brightness of the outlet section in tunnel,For brightness contrast coefficient, θiFor entering for tunnel
The diffusing reflection rate of the accumulation of energy reflective layer of mouth section and changeover portion, i=1,2；θ3For the interlude in tunnel accumulation of energy reflective layer it is unrestrained anti-
Penetrate rate, θ4For the diffusing reflection rate of the accumulation of energy reflective layer of tunnel-side, H is the height in tunnel, can accurately really by the above method
The height for making the accumulation of energy reflective layer of different sections in tunnel, so as to provide secondary souce for tunnel illumination, further, it is possible to be
Driver provides comfortable visual reference system, it is ensured that traffic safety.
In the present embodiment, the diffusing reflection rate of accumulation of energy reflectorized material is determined according to the following method:
Wherein, H is tunnel height, and B is the width in tunnel, and V is tunnel
Design speed, θiFor the diffusing reflection rate of the accumulation of energy reflective layer of the entrance and changeover portion in tunnel, i=1,2；θ3For the centre in tunnel
The diffusing reflection rate of the accumulation of energy reflective layer of section, θ4For the diffusing reflection rate of the accumulation of energy reflective layer of tunnel-side；S is noctovision luminous flux, P
For photopic vision luminous flux；LθiFor the incident brightness of entrance and the accumulation of energy reflective layer of changeover portion tunnel-side, i=1,2；Lθ3For
The reflecting brightness of the accumulation of energy reflective layer of interlude tunnel-side, Lθ4Reflection for the accumulation of energy reflective layer of outlet section section tunnel-side is bright
Degree；
Intermediate variableIt is calculated by following formula:
Wherein, Sλ(λ) is the spectral power distribution function of lamps and lanterns, V1(λ) is dark
Vision spectral luminous efficiency function, V (λ) are relative luminous efficiency function, and λ is the optical wavelength of the visible light of lamps and lanterns；
By the above method, the diffusing reflection rate of the accumulation of energy reflecting coating of different sections in tunnel can be determined, accurately so as to protect
Card can obtain sufficient secondary reflection light in tunnel, and the brightness in tunnel is ensured under the conditions of energy-efficient, is further ensured that row
Sail safety.
In the present embodiment, further includes: in tunnel, headlamp is arranged in roof, and method for arranging is as follows:
In tunnel, three row's headlamps are arranged along length of tunnel extending direction in roof, wherein row's headlamp is set to tunnel top
On the center line of the length direction of wall, in addition two rows of headlamps are symmetrically respectively in the two sides of the headlamp positioned at center line, and two
The headlamp of side is staggered, and refers to that the headlamp of two sides is interlaced as shown in Fig. 2, being staggered, i.e. the illumination of a row
Lamp corresponds between the headlamp of another row, under the premise of guaranteeing brightness of illumination, can be effectively reduced lighting energy consumption, plays good
Good energy saving purpose.
In the present embodiment, the headlamp positioned at the two sides of length of tunnel direction center line is obliquely installed, and inclination angle beta is pressed
It is determined according to following method:
Wherein, W is the width of roadway in tunnel；θjFor the reflective material of each section in tunnel of accumulation of energy
The diffusing reflection rate of material, YjFor the altitude curve of each section of accumulation of energy reflective layer in tunnel；J=1,2,3,4, respectively indicate entrance,
Changeover portion, interlude and outlet section, that is to say, that in different sections, the tilt angle of the headlamp in tunnel is different,
The tilt angle of the headlamp for the two sides for being located at length of tunnel direction center line can accurately be arranged, ensure tunnel road
The illumination in face simultaneously, and can guarantee that tunnel-side can obtain sufficient light source and carry out secondary supplement, further ensure that tunnel
The harmony of interior brightness, being obliquely installed among the above, refers to inclination angle of the beam projecting direction of lamps and lanterns relative to vertical direction
Degree.
It further include that the lateral wall of the cable duct in tunnel is coated with the reflective guide of accumulation of energy red and white in the present embodiment
Line, and the spacing of the reflective index wire of accumulation of energy is 30-40m；By this structure, the reference of the vision in tunnel can be enriched, and
And in order to guarantee traffic safety, the side wall in tunnel can also be arranged spacing and keep reminding graticule, shown in as shown in the figure 1,
In, 1 is accumulation of energy reflecting coating, and 2 keep reminding graticule for spacing, and 3 be the reflective index wire of accumulation of energy.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (6)
1. ambient lighting optimization method in a kind of vcehicular tunnel, it is characterised in that: include:
Inside wall between tunnel entrance is coated with accumulation of energy reflective layer；
The altitude curve of the accumulation of energy reflective layer is sine curve.
2. ambient lighting optimization method in vcehicular tunnel according to claim 1, it is characterised in that: the high diffusing reflection layer and
The altitude curve of accumulation of energy reflective layer is determined by following formula:
Wherein, YiFor the altitude curve of entrance and the accumulation of energy reflective layer of changeover portion, Y3For the accumulation of energy reflective layer of the interlude in tunnel
Altitude curve, Y4For the accumulation of energy reflective layer altitude curve of the outlet end in tunnel, L is length of tunnel, and W is that the road surface in tunnel is wide
Degree, EiMiddle i=1,2, as i=1, E1For the brightness of the entrance in tunnel, as i=2, E2For the brightness of the changeover portion in tunnel,
E3For the brightness of the interlude in tunnel, E4For the brightness of the outlet section in tunnel,For brightness contrast coefficient, θiFor the entrance in tunnel
The diffusing reflection rate of the accumulation of energy reflective layer of section and changeover portion, i=1,2；θ3For the diffusing reflection of the accumulation of energy reflective layer of the interlude in tunnel
Rate, θ4For the diffusing reflection rate of the accumulation of energy reflective layer of tunnel-side, H is the height in tunnel.
3. ambient lighting optimization method in vcehicular tunnel according to claim 2, it is characterised in that: determine according to the following method
The diffusing reflection rate of accumulation of energy reflectorized material:
Wherein, H is tunnel height, and B is the width in tunnel, and V is Tunnel Design vehicle
Speed, θiFor the diffusing reflection rate of the accumulation of energy reflective layer of the entrance and changeover portion in tunnel, i=1,2；θ3For the storage of the interlude in tunnel
The diffusing reflection rate of energy reflective layer, θ4For the diffusing reflection rate of the accumulation of energy reflective layer of tunnel-side；S is noctovision luminous flux, and P is photopic vision
Feel luminous flux；LθiFor the incident brightness of entrance and the accumulation of energy reflective layer of changeover portion tunnel-side, i=1,2；Lθ3For interlude
The reflecting brightness of the accumulation of energy reflective layer of tunnel-side, Lθ4For the reflecting brightness of the accumulation of energy reflective layer of outlet section section tunnel-side；
Intermediate variableIt is calculated by following formula:
Wherein, Sλ(λ) is the spectral power distribution function of lamps and lanterns, V1(λ) is noctovision
Spectral luminous efficiency function, V (λ) are relative luminous efficiency function, and λ is the optical wavelength of the visible light of lamps and lanterns.
4. ambient lighting optimization method in vcehicular tunnel according to claim 3, it is characterised in that: further include: on tunnel top
Headlamp is arranged in wall, and method for arranging is as follows:
In tunnel, three row's headlamps are arranged along length of tunnel extending direction in roof, wherein row's headlamp is set to tunnel roof
On the center line of length direction, in addition two rows of headlamps are symmetrically respectively in the two sides of the headlamp positioned at center line, and two sides
Headlamp is staggered.
5. ambient lighting optimization method in vcehicular tunnel according to claim 4, it is characterised in that: be located at length of tunnel direction
The headlamp of the two sides of center line is obliquely installed, and inclination angle betajIt determines as follows:
Wherein, W is the width of roadway in tunnel；θjFor each section of accumulation of energy reflectorized material in tunnel
Diffusing reflection rate, YjFor the altitude curve of each section of accumulation of energy reflective layer in tunnel；J=1,2,3,4, respectively indicate entrance, transition
Section, interlude and outlet section.
6. ambient lighting optimization method in vcehicular tunnel according to claim 1, it is characterised in that: further include in tunnel
The lateral wall of cable duct is coated with the reflective index wire of accumulation of energy red and white, and the spacing of the reflective index wire of accumulation of energy is 30-40m.
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| CN201811573116.9A CN109723457B (en) | 2018-12-21 | 2018-12-21 | Method for optimizing ambient lighting in highway tunnel |
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| CN201811573116.9A CN109723457B (en) | 2018-12-21 | 2018-12-21 | Method for optimizing ambient lighting in highway tunnel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431150A (en) * | 2020-11-16 | 2021-03-02 | 安徽中益新材料科技有限公司 | Induction system of multifunctional profile band of extra-long tunnel |
| CN117793989A (en) * | 2024-02-28 | 2024-03-29 | 深圳永恒光智慧科技集团有限公司 | Intermediate vision-oriented LED street lamp arrangement method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001081737A (en) * | 1999-09-10 | 2001-03-27 | Three M Innovative Properties Co | Reflecting material and delineator structure |
| CN202442263U (en) * | 2012-02-14 | 2012-09-19 | 重庆交通大学 | Tunnel lighting distribution system with light reflection structure |
| CN102840519A (en) * | 2012-09-11 | 2012-12-26 | 深圳大学 | Multi-light position multi-dimensional tunnel lighting mode |
| CN103486460A (en) * | 2012-06-12 | 2014-01-01 | Lg伊诺特有限公司 | Lighting device |
| CN104819423A (en) * | 2014-02-05 | 2015-08-05 | Lg伊诺特有限公司 | Stereoscopic lighting device and vehicle lighting device using the same |
| CN104929003A (en) * | 2015-07-09 | 2015-09-23 | 武汉理工大学 | Tunnel group visual environment improving method |
| CN105065988A (en) * | 2015-08-10 | 2015-11-18 | 苏州速腾电子科技有限公司 | Diffuse reflection illuminating device |
| CN105588044A (en) * | 2016-03-09 | 2016-05-18 | 吕宁生 | Tunnel illumination device |
| 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 |
| CN108916725A (en) * | 2018-08-03 | 2018-11-30 | 重庆交通大学 | Lamps and lanterns layout method based on energy-efficient vcehicular tunnel equivalent illumination system |
-
2018
- 2018-12-21 CN CN201811573116.9A patent/CN109723457B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001081737A (en) * | 1999-09-10 | 2001-03-27 | Three M Innovative Properties Co | Reflecting material and delineator structure |
| CN202442263U (en) * | 2012-02-14 | 2012-09-19 | 重庆交通大学 | Tunnel lighting distribution system with light reflection structure |
| CN103486460A (en) * | 2012-06-12 | 2014-01-01 | Lg伊诺特有限公司 | Lighting device |
| CN102840519A (en) * | 2012-09-11 | 2012-12-26 | 深圳大学 | Multi-light position multi-dimensional tunnel lighting mode |
| CN104819423A (en) * | 2014-02-05 | 2015-08-05 | Lg伊诺特有限公司 | Stereoscopic lighting device and vehicle lighting device using the same |
| CN104929003A (en) * | 2015-07-09 | 2015-09-23 | 武汉理工大学 | Tunnel group visual environment improving method |
| CN105065988A (en) * | 2015-08-10 | 2015-11-18 | 苏州速腾电子科技有限公司 | Diffuse reflection illuminating device |
| CN105588044A (en) * | 2016-03-09 | 2016-05-18 | 吕宁生 | Tunnel illumination device |
| 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 |
| CN108916725A (en) * | 2018-08-03 | 2018-11-30 | 重庆交通大学 | Lamps and lanterns layout method based on energy-efficient vcehicular tunnel equivalent illumination system |
Non-Patent Citations (2)
| Title |
|---|
| 梁波等: "基于反光蓄光理念的辅助隧道节能照明理论与技术", 《现代隧道技术》 * |
| 蔡贤云等: "隧道照明墙面反射材料研究综述", 《灯与照明》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431150A (en) * | 2020-11-16 | 2021-03-02 | 安徽中益新材料科技有限公司 | Induction system of multifunctional profile band of extra-long tunnel |
| CN117793989A (en) * | 2024-02-28 | 2024-03-29 | 深圳永恒光智慧科技集团有限公司 | Intermediate vision-oriented LED street lamp arrangement method |
| CN117793989B (en) * | 2024-02-28 | 2024-05-03 | 深圳永恒光智慧科技集团有限公司 | Intermediate vision-oriented LED street lamp arrangement method |
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