CN107355231B - A kind of light adjusting system and method for the outer extended segment of tunnel portal of highway - Google Patents
A kind of light adjusting system and method for the outer extended segment of tunnel portal of highway Download PDFInfo
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- CN107355231B CN107355231B CN201710517371.0A CN201710517371A CN107355231B CN 107355231 B CN107355231 B CN 107355231B CN 201710517371 A CN201710517371 A CN 201710517371A CN 107355231 B CN107355231 B CN 107355231B
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- illumination
- intensity
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- shading
- tunnel
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
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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
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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
- F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
- F21V1/10—Rotating shades
-
- 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
-
- 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
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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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
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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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
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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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
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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
Abstract
The invention discloses the light adjusting systems and method of extended segment outside a kind of tunnel portal of highway, shading tent includes support frame and the outer cover plate that is fixed on support frame, wherein, shading tent is divided into several sections along road direction, shading plate rack is equipped in each section, shading plate rack is fixed on the medial surface of outer cover plate, several anti-dazzling screens are successively connected with along road direction in shading plate rack, the driving device for driving each anti-dazzling screen rotation is fixed on shading plate rack, the first optical sensor for detecting intensity of illumination outside outer cover plate is provided on the outer wall of outer cover plate, the second optical sensor for detecting intensity of illumination at tunnel face is provided in tunnel face, the third optical sensor for intensity of illumination in detector segments is provided in section, the system and method can be adaptive realization tunnel extended segment in intensity of illumination Strong and weak transition, the flexibility of light modulation is higher, and construction and maintenance cost are low, and difficulty of construction is low.
Description
Technical field
The invention belongs to tunnel illumination technical field, it is related to light adjusting system and the side of a kind of outer extended segment of tunnel portal of highway
Method.
Background technique
China have become in the world vcehicular tunnel quantity at most, mileage longest, country with the fastest developing speed, vcehicular tunnel
While providing quick, convenient for people's trip, influence of the illumination of illumination especially entrance to traffic safety is increasingly
As focus concerned by people.Since vcehicular tunnel is a hemi-closure space, illumination exists very with general road lighting
Big difference, driver drives vehicle will receive the huge contrast of illumination brightness inside and outside tunnel and generate visual when entering and leaving tunnel
" white hole effect " or " black-hole effect ", this vision discomfort because caused by " white hole, black-hole effect " give traffic safety band
It influences, traffic accident can be caused when serious, cause Loss of Life and property.
In order to make driver have good optical transition in the driving conditions for entering and leaving tunnel, set in the illumination of tunnel traffic
In meter, designer can add the extended segment of certain length between tunnel face and ordinary road, and phase is arranged in the extended segment
The dimmer arrangement answered is to improve the powerful contrast of extended segment intensity of illumination outside tunnel.Currently, being directed to the control of extended segment light environment
Method processed mainly has: (1) dim light method, as patent No. ZL200710055263.2 discloses a kind of be arranged at tunnel portal of highway
Dim light canopy, method be tunnel portal of highway setting across both sides of highway dim light canopy, dim light canopy be made of transparent refractory slab and
Be sticked on the inside or outside of refractory slab dim light film, dim light film from the input end of canopy to outlet end by it is fully transparent gradually vary continuously to it is weak
It is transparent.This method solve the strong and weak transition of tunnel extended segment intensity of illumination, but its defect is the illumination power transition of extended segment
It cannot change with sunshine and adaptively adjust, lack the flexibility of light modulation；(2) light control method, such as patent No.
It is at tunnel both ends that ZL201310125219.X, which discloses a kind of highway tunnel illumination system and means of illumination, the method used,
Oral area position is arranged headlamp and shading tent, and in a large amount of liquid crystal light valve plate of shading tent disposed inboard, by control headlamp and
Liquid crystal light valve plate realizes shading tent outer end to the illumination transition of tunnel port section, and this method can be adaptive according to the intensity of natural light
The light environment of extended segment should be adjusted, but its deficiency is that a large amount of liquid crystal light valve plates of laying improve construction and maintenance cost, is also increased
The difficulty of construction and maintenance is added.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of outer extended segment of tunnel portal of highway is provided
Light adjusting system and method, the transition for realizing intensity of illumination power in tunnel extended segment which can be adaptive, are adjusted
The flexibility of light is higher, and construction and maintenance cost are low, and difficulty of construction is low.
In order to achieve the above objectives, the light adjusting system of the outer extended segment of tunnel portal of highway of the present invention include master controller,
The shading tent being set to outside tunnel face, wherein the shading tent is distributed along road direction；
The shading tent includes support frame and the outer cover plate that is fixed on support frame, wherein shading tent along road direction according to
It is secondary to be divided into several sections, shading plate rack is equipped in each section, shading plate rack is fixed on the medial surface of outer cover plate, shading
It is successively connected with several anti-dazzling screens along road direction in plate rack, is fixed on shading plate rack for driving each anti-dazzling screen
The driving device of rotation is provided with the first optical sensor for detecting intensity of illumination outside outer cover plate on the outer wall of outer cover plate,
It is provided with the second optical sensor for detecting intensity of illumination at tunnel face in tunnel face, is provided in section for detecting
The third optical sensor of intensity of illumination in section, wherein the output end of the first optical sensor, the second optical sensor it is defeated
The output end of outlet and third optical sensor is connected with the input terminal of master controller, the output end of master controller and each drive
The control terminal of dynamic device is connected.
Shading plate rack is fixed on the medial surface of outer cover plate by bolt or adhesive.
Driving device includes first pulley group, second pulley group, stepper motor, retarder, draught line and segment controller,
Wherein, first pulley group and second pulley group are individually fixed in the both ends of shading plate rack, and each anti-dazzling screen is located at first pulley
Between group and second pulley group, for the one ends wound of draught line in first pulley group, the other end of draught line sequentially passes through each screening
Then the side of mating plate lower part is then passed through and is fixed on the side on each anti-dazzling screen top further around first pulley group is crossed, finally bypass
It is connected after second pulley group with the output shaft of retarder, the control terminal of stepper motor is connected with the output end of segment controller
It connects, the output shaft of stepper motor is connected with the input shaft of retarder, and segment controller is connected with master controller.
Support frame as described above is gantry configuration, and support frame is by several reinforced concrete arched girder groups being sequentially distributed along road direction
At, wherein it is connected between two neighboring reinforced concrete arched girder by bridging arched girder.
The both ends of each anti-dazzling screen pass through movable axis and are movably connected on the medial surface of shading plate rack.
The outer cover plate is spliced by several light-transmitting plates and non-transparent plate, wherein nontransparent plate is located at the two of transparent panel
Side, andWherein, SiFor the area of light-transmitting plate above the i-th section, AiFor the area of plate non-transparent above the i-th section,α ∈ [0.5,0.7], N are the number of section, and t is the time that vehicle is passed through shading tent by desin speed.
The total length of shading tent is L=vt, wherein V is the design speed per hour of road where tunnel, and t is vehicle by design
Speed passes through the time of shading tent, and the length of each section is identical.
The light-dimming method of the outer extended segment of tunnel portal of highway of the present invention the following steps are included:
1) illumination intensity information outside the first optical sensor real-time detection outer cover plate, and by the intensity of illumination outside outer cover plate
Information is sent in master controller, the illumination intensity information at the second optical sensor real-time detection tunnel face, and by tunnel face
The illumination intensity information at place is sent in master controller, and master controller is according to outside the illumination intensity information and outer cover plate at tunnel face
Illumination intensity information between difference determine the setting value of intensity of illumination in each section；
2) each third optical sensor acquires the measured value of intensity of illumination in each section in real time, then by illumination in each section
The measured value of intensity is sent in master controller, and master controller calculates in each section the measured value of intensity of illumination and corresponding
Difference between setting value, when the difference in each section between the measured value of intensity of illumination and corresponding setting value be greater than etc.
When preset threshold, then control signal is generated, and the control signal is sent in respective segments controller, segment controller
It is worked according to the control signal controling stepping motor, stepper motor pulls draught line by retarder, and passes through draught line band
Each anti-dazzling screen rotation in dynamic corresponding shading plate rack, so that the measured value of intensity of illumination in each section be made to set with corresponding
Difference between definite value is less than or equal to preset threshold, completes the light modulation of the outer extended segment of tunnel portal of highway.
Further include: after segment controller is completed to the control of stepper motor, then generate feedback information, and by the feedback
Information is sent in master controller.
The invention has the following advantages:
For the light adjusting system and method for the outer extended segment of tunnel portal of highway of the present invention when specific operation, master controller is logical
The intensity of illumination that the first optical sensor, the second optical sensor and third optical sensor are detected respectively outside outer cover plate is crossed to believe
Breath, the illumination intensity information of tunnel face and the illumination intensity information in each section, further according to outer cover plate outside illumination intensity information
Difference between the illumination intensity information of tunnel face sets the setting value of intensity of illumination in each section, then according in each section
The measured value of intensity of illumination controls stepper motor work by segment controller in the setting value of intensity of illumination and each section, thus
Anti-dazzling screen rotation is driven by stepper motor, by adjusting the area of anti-dazzling screen horizontal direction, realizes illumination in tunnel extended segment
The transition of intensity power, structure is simple, easy to operate, can change the angle of rotation of adaptive adjustment anti-dazzling screen according to sunshine
Degree, light modulation flexibility is higher, and structure is simple, and construction cost and maintenance cost are low, and difficulty of construction is small.
Further, outer cover plate is made up of light-transmitting plate and non-transparent plate, and the preliminary of intensity of illumination in shading tent may be implemented
Adjustment, and the quantity of anti-dazzling screen is reduced, reduce construction cost.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is top view of the invention；
Fig. 3 is the sectional view of shading tent 1 in the present invention；
Fig. 4 is the structural schematic diagram of driving device 13 in the present invention；
Fig. 5 is control principle drawing of the invention.
Wherein, 1 it is shading tent, 2 be road, 3 be support frame, 4 be outer cover plate, 5 is that light-transmitting plate 5,6 is non-transparent plate, 7 is
Tunnel face, 8 be shading tent basis, 9 be ventilation hole, 10 be third optical sensor, 11 be the first optical sensor, 12 be second
Optical sensor, 13 be driving device, 14 be shading plate rack, 15 be anti-dazzling screen, 16 be first pulley group, 17 be draught line,
18 it is movable axis, 19 be segment controller, 20 be master controller, 21 be retarder, 22 is stepper motor.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the light adjusting system of the outer extended segment of tunnel portal of highway of the present invention includes
Master controller 20, the shading tent 1 being set to outside tunnel face 7, wherein the shading tent 1 is along 2 directional spreding of road；The shading
Canopy 1 includes support frame 3 and the outer cover plate 4 being fixed on support frame 3, wherein shading tent 1 is divided into several along 2 direction of road
Section is equipped with shading plate rack 14 in each section, and shading plate rack 14 is fixed on the medial surface of outer cover plate 4, anti-dazzling screen branch
Several anti-dazzling screens 15 are successively connected with along 2 direction of road in frame 14, are fixed on shading plate rack 14 for driving each screening
The driving device 13 that mating plate 15 rotates is provided with the first light for detecting the outer intensity of illumination of outer cover plate 4 on the outer wall of outer cover plate 4
According to sensor 11, it is provided with the second optical sensor 12 for detecting intensity of illumination at tunnel face 7 in tunnel face 7, in section
It is provided with the third optical sensor 10 for intensity of illumination in detector segments, wherein the output of the first optical sensor 11
End, the output end of the second optical sensor 12 and third optical sensor 10 output end with the input terminal phase of master controller 20
Connection, the output end of master controller 20 are connected with the control terminal of each driving device 13；Shading plate rack 14 is by bolt or glues
Mixture is fixed on the medial surface of outer cover plate 4.
Driving device 13 include first pulley group 16, second pulley group, stepper motor 22, retarder 21, draught line 17 and
Segment controller 19, wherein first pulley group 16 and second pulley group are individually fixed in the both ends of shading plate rack 14, and respectively hide
Between first pulley group 16 and second pulley group, the one ends wound of draught line 17 is led mating plate 15 in first pulley group 16
The other end of lead 17 sequentially passes through the side of each 15 lower part of anti-dazzling screen, further around first pulley group 16 is crossed, is then then passed through and solid
Due to the side on each 15 top of anti-dazzling screen, finally around being connected after second pulley group with the output shaft of retarder 21, stepping is electric
The control terminal of machine 22 is connected with the output end of segment controller 19, the output shaft of stepper motor 22 and the input shaft of retarder 21
It is connected, segment controller 19 is connected with master controller 20.
Support frame as described above 3 is gantry configuration, and support frame 3 is by several reinforced concrete arches being sequentially distributed along 2 direction of road
Beam composition, wherein be connected between two neighboring reinforced concrete arched girder by bridging arched girder；The both ends of each anti-dazzling screen 15 pass through work
Moving axis 18 is movably connected on the medial surface of shading plate rack 14.It is further to note that support frame 3 is fixed on shading tent base
On plinth 8.
The light-dimming method of the outer extended segment of tunnel portal of highway of the present invention the following steps are included:
1) illumination intensity information outside 11 real-time detection outer cover plate 4 of the first optical sensor, and by the illumination outside outer cover plate 4
Strength information is sent in master controller, the illumination intensity information at 12 real-time detection tunnel face 7 of the second optical sensor, and will
Illumination intensity information at tunnel face 7 is sent in master controller, master controller according at tunnel face 7 illumination intensity information with
The difference between illumination intensity information outside outer cover plate 4 determines the setting value of intensity of illumination in each section；
2) each third optical sensor 10 acquires the measured value of intensity of illumination in each section in real time, then by light in each section
Be sent in master controller 20 according to the measured value of intensity, master controller 20 calculate in each section the measured value of intensity of illumination with and its
Difference between corresponding setting value, when the difference in each section between the measured value of intensity of illumination and corresponding setting value
When more than or equal to preset threshold, then control signal is generated, and the control signal is sent in respective segments controller 19, area
Paragraph controller 19 works according to the control signal controling stepping motor 22, and stepper motor 22 pulls draught line by retarder 21
17, and drive each anti-dazzling screen 15 in corresponding shading plate rack 14 to rotate by draught line 17, to keep illumination in each section strong
Difference between the measured value of degree and corresponding setting value is less than or equal to preset threshold, completes to extend outside tunnel portal of highway 7
The light modulation of section.
Further include: after segment controller 19 completes the control to stepper motor 22, then feedback information is generated, and will be described
Feedback information is sent in master controller 20.
The outer cover plate 4 is spliced by several light-transmitting plates 5 and non-transparent plate 6, wherein nontransparent plate is located at transparent panel
Two sides, andWherein, SiFor the area of light-transmitting plate 5 above the i-th section, AiFor plate 6 non-transparent above the i-th section
Area,α ∈ [0.5,0.7], N are the number of section, and t is that vehicle presses desin speed across shading tent 1
Time.
The total length of shading tent 1 is L=vt, wherein V is the design speed per hour of road 2 where tunnel, and t is vehicle by setting
Meter speed degree passes through the time of shading tent 1, and the length of each section is identical.
Master controller 20 is connected by CAN bus with each segment controller 19, master controller 20 and tunnel intraoral illumination system
The controller of system is connected, to realize the light modulation and the linkage control of tunnel face 7 and tunnel intraoral illumination of tunnel extended segment, to protect
Card realizes the energy conservation of illumination under the premise of tunnel traffic safety and maintaining uniform illumination transition.
Above-described embodiment is more preferably embodiment of the invention, and all those skilled in the art of the present technique exist under this invention's idea
The technical solution replaced in prior art basis by simple components, is within the scope of protection of the invention.
Claims (7)
1. a kind of light-dimming method of the outer extended segment of tunnel portal of highway, which is characterized in that the tune based on extended segment outside tunnel portal of highway
The light adjusting system of photosystem, the outer extended segment of the tunnel portal of highway includes master controller (20), is set to the screening of tunnel face (7) outside
Light canopy (1), wherein the shading tent (1) is along road (2) directional spreding；
The shading tent (1) includes support frame (3) and the outer cover plate (4) being fixed on support frame (3), wherein shading tent (1) edge
Road (2) direction is divided into several sections, is equipped in each section shading plate rack (14), and shading plate rack (14) is fixed on
On the medial surface of outer cover plate (4), several anti-dazzling screens are successively connected with along road (2) direction in shading plate rack (14)
(15), the driving device (13) for driving each anti-dazzling screen (15) to rotate is fixed on shading plate rack (14), outer cover plate (4)
It is provided with the first optical sensor (11) for detecting outer cover plate (4) outer intensity of illumination on outer wall, is provided in tunnel face (7)
For detecting the second optical sensor (12) of intensity of illumination at tunnel face (7), it is provided in section in detector segments
The third optical sensor (10) of intensity of illumination, wherein output end, the second optical sensor of the first optical sensor (11)
(12) output end of output end and third optical sensor (10) is connected with the input terminal of master controller (20), master control
The output end of device (20) is connected with the control terminal of each driving device (13)；
Driving device (13) includes first pulley group (16), second pulley group, stepper motor (22), retarder (21), draught line
(17) and segment controller (19), wherein first pulley group (16) and second pulley group are individually fixed in shading plate rack (14)
Both ends, and each anti-dazzling screen (15) is located between first pulley group (16) and second pulley group, the one ends wound of draught line (17)
In on first pulley group (16), the other end of draught line (17) sequentially passes through the side of each anti-dazzling screen (15) lower part, further around crossing the
One pulley blocks (16) are then then passed through and are fixed on the side on each anti-dazzling screen (15) top, finally around after second pulley group with
The output shaft of retarder (21) is connected, and the control terminal of stepper motor (22) is connected with the output end of segment controller (19),
The output shaft of stepper motor (22) is connected with the input shaft of retarder (21), segment controller (19) and master controller (20) phase
Connection；
The following steps are included:
1) illumination intensity information of the first optical sensor (11) real-time detection outer cover plate (4) outside, and the light by outer cover plate (4) outside
It is sent in master controller according to strength information, the intensity of illumination letter at the second optical sensor (12) real-time detection tunnel face (7)
Breath, and the illumination intensity information at tunnel face (7) is sent in master controller, master controller is according to the light at tunnel face (7)
The setting value of intensity of illumination in each section is determined according to the difference between the illumination intensity information of strength information and outer cover plate (4) outside；
2) each third optical sensor (10) acquires the measured value of intensity of illumination in each section in real time, then by illumination in each section
The measured value of intensity is sent in master controller (20), master controller (20) calculate in each section the measured value of intensity of illumination with
Difference between its corresponding setting value, when the difference in each section between the measured value of intensity of illumination and corresponding setting value
When value is more than or equal to preset threshold, then control signal is generated, and the control signal is sent to respective segments controller (19)
In, segment controller (19) works according to the control signal controling stepping motor (22), and stepper motor (22) passes through retarder
(21) draught line (17) are pulled, and drives each anti-dazzling screen (15) in corresponding shading plate rack (14) to turn by draught line (17)
It is dynamic, so that the difference in each section between the measured value of intensity of illumination and corresponding setting value be made to be less than or equal to default threshold
Value completes the light modulation of tunnel portal of highway (7) outer extended segment.
2. the light-dimming method of the outer extended segment of tunnel portal of highway according to claim 1, which is characterized in that shading plate rack
(14) it is fixed on by bolt or adhesive on the medial surface of outer cover plate (4).
3. the light-dimming method of the outer extended segment of tunnel portal of highway according to claim 1, which is characterized in that support frame as described above
It (3) is gantry configuration, support frame (3) is made of several reinforced concrete arched girders being sequentially distributed along road (2) direction, wherein
It is connected between two neighboring reinforced concrete arched girder by bridging arched girder.
4. the light-dimming method of the outer extended segment of tunnel portal of highway according to claim 1, which is characterized in that each anti-dazzling screen (15)
Both ends pass through movable axis (18) and be movably connected on the medial surface of shading plate rack (14).
5. the light-dimming method of the outer extended segment of tunnel portal of highway according to claim 1, which is characterized in that the outer cover plate
(4) it being spliced by several light-transmitting plates (5) and non-transparent plate (6), wherein non-transparent plate (6) is located at the two sides of light-transmitting plate (5),
AndWherein, SiFor the area of light-transmitting plate (5) above the i-th section, AiFor the face of plate (6) non-transparent above the i-th section
Product,α ∈ [0.5,0.7], N are the number of section, and t is that vehicle presses desin speed across shading tent (1)
Time.
6. the light-dimming method of the outer extended segment of tunnel portal of highway according to claim 1, which is characterized in that shading tent (1)
Total length is L=vt, wherein v is the design speed per hour of road (2) where tunnel, and t is that vehicle presses desin speed across shading tent
(1) length of time, each section are identical.
7. the light-dimming method of the outer extended segment of tunnel portal of highway according to claim 1, which is characterized in that further include: work as area
After paragraph controller (19) is completed to the control of stepper motor (22), then feedback information is generated, and the feedback information is sent to
In master controller (20).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517371.0A CN107355231B (en) | 2017-06-29 | 2017-06-29 | A kind of light adjusting system and method for the outer extended segment of tunnel portal of highway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517371.0A CN107355231B (en) | 2017-06-29 | 2017-06-29 | A kind of light adjusting system and method for the outer extended segment of tunnel portal of highway |
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| CN107355231A CN107355231A (en) | 2017-11-17 |
| CN107355231B true CN107355231B (en) | 2019-08-27 |
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| CN201710517371.0A Active CN107355231B (en) | 2017-06-29 | 2017-06-29 | A kind of light adjusting system and method for the outer extended segment of tunnel portal of highway |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108035734A (en) * | 2018-01-04 | 2018-05-15 | 招商局重庆交通科研设计院有限公司 | The outer dim light canopy of Expressway Tunnel and dim light method |
| CN108363128B (en) * | 2018-04-17 | 2023-04-25 | 招商局重庆交通科研设计院有限公司 | Device and method for reducing light outside tunnel hole in snow area |
| CN109026147A (en) * | 2018-08-16 | 2018-12-18 | 龚典乐 | A kind of protection of Road Tunnel Safety and information interaction system |
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