CN104684224B - Illumination control system for road tunnel - Google Patents
Illumination control system for road tunnel Download PDFInfo
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- CN104684224B CN104684224B CN201510133868.3A CN201510133868A CN104684224B CN 104684224 B CN104684224 B CN 104684224B CN 201510133868 A CN201510133868 A CN 201510133868A CN 104684224 B CN104684224 B CN 104684224B
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Abstract
The invention provides an illumination control system for a road tunnel. The illumination control system comprises an illumination unit, a first detection unit, a second detection unit and an illumination control unit, wherein the first detection unit comprises a first environmental light sensor arranged at a tunnel inlet and a first processing unit connected with an output end of the first environmental light sensor; the second detection unit comprises a second environmental light sensor arranged at a tunnel outlet and a second processing unit connected with an output end of the second environmental light sensor; output ends of the first processing unit and the second processing unit are connected with the control unit; the control unit is used for outputting a control signal to the illumination unit; the illumination unit at least comprises an illumination lamp; the illumination lamps are arranged in sequence in a traveling direction of a tunnel and form a first illumination section, a middle illumination section and a second illumination section. Therefore, a black hole or dazzle light phenomenon appearing when a vehicle enters the tunnel or leaves from the tunnel can be effectively eliminated, a driver can be guaranteed to accurately adapt to an illumination environment of the tunnel and accurately observe a traveling environment, and the traffic accident rate of vehicle traveling in the tunnel is greatly reduced.
Description
Technical field
The present invention relates to a kind of Lighting Control Assembly, more particularly to a kind of road Tunnel Illumination Control System.
Background technology
With the development of highroad network, tunnel also becomes more and more, and the control of tunnel illumination is also more and more right
Highway driving causes safely material impact, the illuminating lamp in existing vcehicular tunnel to work by way of general lighting, i.e.,
All of illuminating lamp is all according to same mode of operation in tunnel, that is to say, that the operating brightness of all of illuminating lamp is suitable
(due to the difference of the individual and lighting control equipment of illuminating lamp, there is brightness, but luminance difference very little), but it is existing
With the presence of the serious potential safety hazard of working method：If the ambient light outside the tunnel of the inlet side in tunnel is more than in tunnel
Illumination intensity, then when vehicle has just enter in short time in tunnel or will enter in tunnel, tunnel be equivalent to one it is " black
Hole ", the environment that driver can not be observed in hole, if the ambient light outside the tunnel of the inlet side in tunnel is less than in tunnel
Illumination intensity, then when vehicle has just enter in the short time in tunnel or will enter in tunnel, driver occurs glare phenomenon,
The environment that equally can not be observed in tunnel, certainly, the outlet side in tunnel is also same phenomenon, in above-mentioned situation
Under, driving accident is often resulted in, and be also one of tunnel accident most important reason occurred frequently.
It is, therefore, desirable to provide a kind of new highway tunnel lighting lamp control system, can effectively eliminate vehicle and enter tunnel
Either roll " black hole " or glare phenomenon occurred during tunnel away from, ensure that driver can accurately adapt to the illumination ring in tunnel
Border, accurate observation environment greatly reduces the traffic accident incidence of tunnel driving.
The content of the invention
In view of this, it is an object of the invention to provide a kind of road Tunnel Illumination Control System, can effectively eliminate vehicle
" black hole " or the glare phenomenon occurred when either rolling tunnel away from into tunnel, ensure that driver can accurately adapt to tunnel
Lighting environment, accurate observation environment greatly reduces the traffic accident incidence of tunnel driving.
A kind of road Tunnel Illumination Control System that the present invention is provided, including lighting unit, the first detector unit, the second inspection
Survey unit and lighting control unit；First detector unit includes being arranged at the first environment optical sensor at tunnel portal
And the first processing units being connected with the first environment optical sensor output end, second detector unit include be arranged at
Second environment optical sensor at tunnel exit and the second processing list being connected with the second environment optical sensor output end
The output end of unit, the first processing units and second processing unit is connected with described control unit, and described control unit is to photograph
Bright unit output control signal；The lighting unit at least include illuminating lamp, the illuminating lamp along tunnel direction of traffic successively
Arrange and formed the first illumination stage, intermediate illumination section and the second illumination stage, the lighting brightness of first illumination stage is according to entering
Ambient light intensity at mouthful is gradually increased to set brightness of illumination or gradually decreases to set brightness, the photograph of second illumination stage
Bright lamp brightness is gradually reduced successively by setting brightness of illumination or is gradually increased to exit and set according to the ambient light intensity in exit
Determine brightness of illumination, the intermediate illumination section works according to the brightness of illumination of setting.
Further, the first processing units include the first preposing signal process circuit and the first preposing signal process circuit output end
First comparison circuit of connection and the first central processing circuit being connected with the first comparison circuit output end, the first preposition place
The input of reason circuit is connected with first environment optical sensor output end, output end and the control of first central processing circuit
Unit connects；The environmental light intensity angle value that first comparison circuit exports first environment optical sensor and the brightness of illumination for setting
Relatively, ambient light-setting brightness of illumination difference is determined, first process circuit is according to ambient light-setting brightness of illumination difference
With the contrast of illumination change grade truth table, determine the lighting brightness variation grades of the first illumination stage and transmit the variation grades
To control unit, control unit lights according to the illuminating lamp that lighting brightness variation grades control the first illumination stage.
Further, the second processing unit includes the second preposing signal process circuit and the second preposing signal process circuit output end
Second comparison circuit of connection and the second central processing circuit being connected with the second comparison circuit output end, the second preposition place
Reason circuit input be connected with second environment optical sensor output end, the output end of second central processing circuit with it is described
Control unit connects；The environmental light intensity angle value that second comparison circuit exports second environment optical sensor and the illumination for setting
Brightness ratio compared with, determine ambient light-setting brightness of illumination difference, the second processing circuit is according to ambient light-setting brightness of illumination
Difference and illumination change grade truth table are contrasted, and determine the lighting brightness variation grades of the second illumination stage and by the variation grades
Control unit is transferred to, control unit lights according to the illuminating lamp that lighting brightness variation grades control the second illumination stage.
Further, the control system also includes tunnel environment data obtaining module, the tunnel environment acquisition of information mould
Block is connected with control unit, and the tunnel environment data obtaining module is wirelessly connected with weather server and obtains and works as
Meteorologic parameter near front tunnel, the meteorologic parameter at least includes the air visibility parameter near tunnel.
Further, described control unit is wirelessly connected and carries out data interaction with traffic administration server.
Beneficial effects of the present invention：The road Tunnel Illumination Control System of the present invention, can effectively eliminate vehicle and enter tunnel
Road either rolls " black hole " or glare phenomenon occurred during tunnel away from, ensure that driver can accurately adapt to the illumination ring in tunnel
Border, accurate observation environment greatly reduces the traffic accident incidence of tunnel driving；And being capable of effectively save illumination use
Electricity, energy saving, beneficial to environmental protection；But also the illuminating position in tunnel is monitored beneficial to vehicle supervision department, and according to photograph
Bright situation and the incidence of traffic accident adjustment management strategy.
Description of the drawings
With reference to the accompanying drawings and examples the invention will be further described：
Fig. 1 is the structural principle block diagram of the present invention.
Fig. 2 is the tunnel illuminating lamp arrangement schematic diagram of the present invention.
Specific embodiment
Fig. 1 is the structural principle block diagram of the present invention, and Fig. 2 is the tunnel illuminating lamp arrangement schematic diagram of the present invention, is such as schemed
Shown, A represents that direction of traffic, a kind of road Tunnel Illumination Control System that the present invention is provided, including illumination are single in wherein Fig. 2
Unit, the first detector unit, the second detector unit and lighting control unit；First detector unit includes being arranged at tunnel 1
The first environment optical sensor 5 of porch and the first processing units being connected with the first environment optical sensor output end,
Second detector unit include be arranged at the exit of tunnel 1 second environment optical sensor 6 and with the second environment light
The second processing unit of sensor output connection, the output end and the control of the first processing units and second processing unit
Unit connection processed, described control unit is to lighting unit output control signal；The lighting unit at least includes illuminating lamp, described
Direction of traffic of the illuminating lamp along tunnel sets gradually and is formed the first illumination stage 2, the illumination stage 4 of intermediate illumination section 3 and second, described
The lighting brightness of the first illumination stage 2 is gradually increased to set brightness of illumination or is gradually reduced according to the ambient light intensity of porch
To setting brightness (i.e. the setting brightness of illumination of interlude), the ring of the lighting brightness of second illumination stage 4 according to exit
Border luminous intensity is gradually reduced successively or is gradually increased to exit setting brightness of illumination, the intermediate illumination by setting brightness of illumination
Section 3 works according to the setting brightness of illumination of interlude, wherein, in the case of daytime, the setting brightness of illumination of interlude is less than out
Mouthful place setting brightness of illumination, at night in the case of, exit setting brightness of illumination be less than interlude brightness of illumination, wherein,
The setting brightness of illumination in exit can be near or equal to ambient light intensity；The road Tunnel Illumination Control system of the present invention
System, can effectively eliminate " black hole " or the glare phenomenon occurred when vehicle either rolls tunnel away from into tunnel, ensure that department
Machine can accurately adapt to the lighting environment in tunnel, and accurate observation environment, the traffic accident for greatly reducing tunnel driving occurs
Rate；
Wherein, control unit can adopt existing single-chip microcomputer, it is, in general, that the length of the first illumination stage and the second illumination stage
Degree less than intermediate illumination section length, in particular for can be with the length compared with long tunnel, the first illumination stage and the second illumination stage
It is equal, it is also possible to, but it is set under normal circumstances equal and is set to the length for starting 40 to 70 meters from tunnel face i.e.
Can, for short tunnel, the first illumination stage and the second illumination stage can be with the equal lengths of intermediate illumination section, it might even be possible to do not have
Intermediate illumination section, that is to say, that the length of intermediate illumination section more than or equal to 0 all can, the brightness of illumination for setting be in the middle of tunnel shine
Bright section of illumination intensity under normal circumstances, due to the difference of tunnel environment, adjustment that can be artificial, the present invention preferentially adopts LED
, used as illuminating lamp, one side LED more power saving, service life is longer, energy saving for lamp, on the other hand, it is easy to which control is bright
The control of degree, control unit sends different brightness by controlling the size control LED of the driving current of illumination driving circuit
Light；
The ambient light that first environment optical sensor and second environment optical sensor are detected should be the ambient light outside tunnel,
And the position for avoiding tunnel illuminating lamp from being affected should be arranged at, detection and final control accuracy is improved.
In the present embodiment, the first processing units include that the first preposing signal process circuit and the first preposing signal process circuit are defeated
The first comparison circuit for going out end connection and the first central processing circuit being connected with the first comparison circuit output end, before described first
The input for putting process circuit is connected with first environment optical sensor output end, the output end of first central processing circuit with
Control unit connects；Wherein, the first preposing signal process circuit be available circuit, for ambient light signal is amplified, is filtered with
And analog-to-digital conversion process；First central processing circuit adopts existing single-chip microcomputer.
The environmental light intensity angle value that first comparison circuit exports first environment optical sensor and the brightness of illumination for setting
Relatively, ambient light-setting brightness of illumination difference is determined, first process circuit is according to ambient light-setting brightness of illumination difference
With the contrast of illumination change grade truth table, determine the lighting brightness variation grades of the first illumination stage and transmit the variation grades
To control unit, control unit lights according to the illuminating lamp that lighting brightness variation grades control the first illumination stage；Wherein environment
Light-setting brightness of illumination difference is bigger, then lighting brightness variation grades are more, such as, such as outside the entrance in tunnel
Ambient light is much larger than the setting brightness of illumination in tunnel, then brightness of illumination variation grades are also more, are not more certainly
Better, ordinary circumstance is divided into three to five grades, if too much, control is complicated, and control cost is higher, such as first shines
Bright section of illuminating lamp is 10, and brightness of illumination variation grades are Three Estate, then now by entrance to Way out first
The illuminating lamp of illumination stage is divided into three groups again, first group of lighting brightness closest to the environmental light brightness outside tunnel, if tunnel
More than the brightness of illumination for setting, then the brightness of first group to the 3rd group of illuminating lamp is sequentially reduced road external environment brightness, and the 3rd
The illuminating lamp of group is closest to the lighting brightness for setting, if the environmental light brightness outside tunnel is less than the brightness of illumination for setting,
The brightness of so first group to the 3rd group of illuminating lamp increases successively, and the brightness of first group of illuminating lamp is also closest to ambient light
Brightness, the brightness of the 3rd group of illuminating lamp close to setting brightness of illumination, lighting brightness variation grades once it is determined that, control
Unit exports corresponding control command according to the grade to illuminating lamp, and it is luminous according to instruction to control corresponding illuminating lamp, wherein,
The driving current grade corresponding with lighting brightness variation grades is prestored in control unit, that is to say, that once illumination is bright
Degree variation grades determine that control unit exports corresponding driving current control illuminating lamp work.
In the present embodiment, the second processing unit includes that the second preposing signal process circuit and the second preposing signal process circuit are defeated
The second comparison circuit for going out end connection and the second central processing circuit being connected with the second comparison circuit output end, before described second
The input for putting process circuit is connected with second environment optical sensor output end, the output end of second central processing circuit with
Described control unit connects；The environmental light intensity angle value that second comparison circuit exports second environment optical sensor and setting
Brightness of illumination compares, and determines ambient light-setting brightness of illumination difference, and the second processing circuit is according to ambient light-setting illumination
Luminance difference is contrasted with illumination change grade truth table, is determined the lighting brightness variation grades of the second illumination stage and is changed this
Grade is transferred to control unit, and control unit lights according to the illuminating lamp that lighting brightness variation grades control the second illumination stage,
Wherein, the second preposing signal process circuit is amplified to the signal of second environment light output, filters and analog-to-digital conversion process, second
The control mode of processing unit is identical with first processing units, is all the brightness of illumination according to the ambient light outside tunnel face with setting
Control LED sends the light of different brightness, wherein, the illumination change grade truth table of first processing units and second processing unit
It is to be set by actual experiment, can determines that not in this to go forth by existing laboratory facilities.
In the present embodiment, the control system also includes tunnel environment data obtaining module, and the tunnel environment information is obtained
Delivery block is connected with control unit, and the tunnel environment data obtaining module is wirelessly connected with weather server and obtains
The meteorologic parameter near current tunnel is taken, the meteorologic parameter at least includes the air visibility parameter near tunnel, by this
Structure is planted, when value of the current air low visibility in setting, control unit determines brightness of illumination variation grades, but controls
The driving current of unit control illumination driving circuit output is not the driving current corresponding with present lighting intensity variation grades,
But the corresponding driving current of the brightness of illumination variation grades bigger than present lighting intensity variation grades is exported, so as to ensure tunnel
Traffic safety near road, certainly, specific driving current size has the big of current environmental light brightness and air visibility
Little determination, such as determined by the table of comparisons for arranging in advance, and certainly, air visibility is also set with threshold value, and is stored in control
In unit, it is of course also possible to obtain other parameters, such as the parameter such as current temperature, humidity, complicated for weather environment
The meteorologic parameter of the again long tunnel in mountain area and tunnel, tunnel exit and entrance is often different, therefore, it can by with control
The display screen of unit connection is shown current meteorologic parameter, to point out driver, display screen to be arranged at the porch in tunnel.
In the present embodiment, described control unit is wirelessly connected and carries out data friendship with traffic administration server
Mutually, by this structure, though vehicle supervision department can be made to obtain the Lighting control situation in each tunnel, and to Lighting control
The statistics that has evidence is carried out with safe driving, so as to make optimum administrative decision, and also can be to the parameter of control unit
Reset, wherein, wireless mode preferably adopts mobile communication module, such as 3G, 4G module etc..
Finally illustrate, above example is only unrestricted to illustrate technical scheme, although with reference to compared with
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from the objective and scope of technical solution of the present invention, it all should cover at this
In the middle of the right of invention.
Claims (3)
1. a kind of road Tunnel Illumination Control System, it is characterised in that：Including lighting unit, the first detector unit, the second detection
Unit and lighting control unit；First detector unit include being arranged at first environment optical sensor at tunnel portal with
And the first processing units being connected with the first environment optical sensor output end, second detector unit include be arranged at tunnel
The second environment optical sensor in road exit and the second processing unit being connected with the second environment optical sensor output end,
The output end of the first processing units and second processing unit is connected with described control unit, and described control unit to illumination is single
First output control signal；The lighting unit at least includes illuminating lamp, and direction of traffic of the illuminating lamp along tunnel sets gradually
And the first illumination stage, intermediate illumination section and the second illumination stage are formed, the lighting brightness of first illumination stage is according to porch
Ambient light intensity be gradually increased to set the lighting brightness of the second illumination stage described in brightness of illumination according to the environment in exit
Luminous intensity gradually decreases to exit setting brightness of illumination by setting brightness of illumination successively, and the intermediate illumination section is according to setting
Brightness of illumination works；
Or the lighting brightness of first illumination stage according to the ambient light intensity of porch gradually decrease to setting illumination it is bright
Degree, the lighting brightness of second illumination stage is gradually increased to out according to the ambient light intensity in exit by brightness of illumination is set
Brightness of illumination is set at mouthful；
The first processing units include the first ratio that the first preposing signal process circuit and the first preposing signal process circuit output end connect
Compared with circuit and the first central processing circuit being connected with the first comparison circuit output end, the input of first preposing signal process circuit
End is connected with first environment optical sensor output end, and the output end of first central processing circuit is connected with control unit；Institute
State the environmental light intensity angle value that the first comparison circuit exports first environment optical sensor to compare with the brightness of illumination of setting, determine ring
Border light-setting brightness of illumination difference, first process circuit is according to ambient light-setting brightness of illumination difference and illumination change etc.
Level truth table contrast, determines the lighting brightness variation grades of the first illumination stage and the variation grades is transferred to into control unit,
Control unit lights according to the illuminating lamp that lighting brightness variation grades control the first illumination stage；
The second processing unit includes the second ratio that the second preposing signal process circuit and the second preposing signal process circuit output end connect
Compared with circuit and the second central processing circuit being connected with the second comparison circuit output end, the input of second preposing signal process circuit
End is connected with second environment optical sensor output end, and output end and the described control unit of second central processing circuit connect
Connect；The environmental light intensity angle value that second comparison circuit exports second environment optical sensor compares with the brightness of illumination of setting,
Determine ambient light-setting brightness of illumination difference, the second processing circuit is according to ambient light-setting brightness of illumination difference and illumination
Variation grades truth table is contrasted, and determines the lighting brightness variation grades of the second illumination stage and the variation grades are transferred to into control
Unit, control unit lights according to the illuminating lamp that lighting brightness variation grades control the second illumination stage.
2. road Tunnel Illumination Control System according to claim 1, it is characterised in that：The control system also includes tunnel
Environment information acquisition module, the tunnel environment data obtaining module is connected with control unit, the tunnel environment acquisition of information
Module is wirelessly connected and obtains the meteorologic parameter near current tunnel with weather server, and the meteorologic parameter is at least
Including the air visibility parameter near tunnel.
3. road Tunnel Illumination Control System according to claim 2, it is characterised in that：Described control unit passes through wireless parties
Formula is connected and carries out data interaction with traffic administration server.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510133868.3A CN104684224B (en) | 2015-03-25 | 2015-03-25 | Illumination control system for road tunnel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510133868.3A CN104684224B (en) | 2015-03-25 | 2015-03-25 | Illumination control system for road tunnel |
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| CN104684224A CN104684224A (en) | 2015-06-03 |
| CN104684224B true CN104684224B (en) | 2017-04-26 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086198A (en) * | 2017-11-20 | 2018-05-29 | 河北中岗通讯工程有限公司 | A kind of optical rail device and display methods for vcehicular tunnel |
| CN109842979A (en) * | 2017-11-29 | 2019-06-04 | 富泰华工业（深圳）有限公司 | Light regulating system and method |
| CN111753246B (en) * | 2020-06-28 | 2023-08-08 | 华南理工大学 | Method for eliminating tunnel exit glare phenomenon |
| CN113423164A (en) * | 2021-06-24 | 2021-09-21 | 山西省交通科技研发有限公司 | Tunnel lighting control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201700055U (en) * | 2010-06-04 | 2011-01-05 | 沈锦祥 | Tunnel lamp system with adjustable brightness |
| JP2012174663A (en) * | 2011-02-24 | 2012-09-10 | Optex Co Ltd | Light control illumination device and light control illumination system |
| CN202998566U (en) * | 2012-11-14 | 2013-06-12 | 广州保瓦电子科技有限公司 | Stepless voltage regulation energy saving lighting device and system capable of adapting to tunnel ambient light |
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Address after: No. 1, Fuxing Avenue, Shuang Fu new area, Jiangjin District, Chongqing Patentee after: chongqing jiaotong university Address before: 400074 Chongqing Nan'an District University Avenue, No. 66 Patentee before: chongqing jiaotong university |