CN102685990A - Dimmable tunnel LED (Light-Emitting Diode) illumination energy-saving control system and method - Google Patents

Dimmable tunnel LED (Light-Emitting Diode) illumination energy-saving control system and method Download PDF

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CN102685990A
CN102685990A CN2012101631242A CN201210163124A CN102685990A CN 102685990 A CN102685990 A CN 102685990A CN 2012101631242 A CN2012101631242 A CN 2012101631242A CN 201210163124 A CN201210163124 A CN 201210163124A CN 102685990 A CN102685990 A CN 102685990A
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tunnel
brightness
vehicle
led
lamp
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CN102685990B (en
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石庆生
周巍
刘大可
梁亚松
史大为
王文利
康家宇
宋平玉
刘晶
王莹
赵立松
周钰涵
林晓明
孙阅兵
丁宇
莫贺军
李印保
高昆
李长新
代吉祥
岳占辉
杨磊
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SHENYANG NEW GENERATION INFORMATION TECHNOLOGY Co Ltd
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SHENYANG NEW GENERATION INFORMATION TECHNOLOGY Co Ltd
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Abstract

The invention provides a dimmable tunnel LED (Light-Emitting Diode) illumination energy-saving control system and method, belonging to the technical field of illumination energy-saving control in a tunnel. The dimmable tunnel LED illumination energy-saving control system comprises an LED tunnel lamp, a PWM (Pulse Width Modulation) dimmable digital power source, a region PLC (Programmable Logic Controller), a main control PLC, a first infrared vehicle detector, a second infrared vehicle detector, a first illumination detector, a second illumination detector, a radar vehicle detector and an external PLC. The dimmable tunnel LED illumination energy-saving control method is carried out according to the following steps of: 1, collecting a vehicle flow signal; 2, carrying out frequency modulation and dimming; 3, defining a name; 4, adjusting an illumination parking vision distance; 5, judging whether a vehicle passes through a tunnel or not, and determining the light intensity of a tunnel entrance section; and 6, adjusting the light intensity coefficient of the LED tunnel lamp. The dimmable tunnel LED illumination energy-saving control system and method provided by the invention have the advantages that the functions of illumination on demand, long-distance monitoring and automation are realized, energy-saving efficiency is improved, a real-time operation electric energy consumption curve is monitored, unattended operation is realized and labor cost is reduced.

Description

A kind of tunable optical tunnel LED lighting energy saving control system and method
Technical field
The invention belongs to intraoral illumination energy-conserving control technology field, tunnel, particularly a kind of tunable optical tunnel LED lighting energy saving control system and method.
Background technology
Flourish along with highway construction especially expressway construction, the tunnel illumination mileage is more and more longer, and power consumption increases day by day, causes tunnel traffic safety and lighting energy saving problem outstanding day by day: 1, traffic safety.Vehicle is a bright-dark-bright process through the process in tunnel, and human eye tends to produce " black-hole effect " and " white hole effect ", very easily occurrence of traffic accident in the process of light and shade alternate; 2, lighting energy saving.Most of tunnels are distributed in the mountain area, and vehicle at night is current rare, and the control system of existing tunnel lamp electric power loop can not in time be made reply according to the vehicle flowrate change, makes the waste of energy phenomenon comparatively serious.On the other hand, high-pressure sodium lamp remains the lighting source in most of tunnels, and the time delay of high-pressure sodium lamp has determined high-pressure sodium lamp can't realize real-time light modulation, and simultaneously, high-pressure sodium lamp power consumption is big, and the life-span is short, and start-up time is long; And that the LED Tunnel Lamp has is energy-conservation, the life-span long, start remarkable advantages such as fast, can realize dimming function through PWM tunable optical digital power.
Summary of the invention
Deficiency to prior art exists the invention provides a kind of tunable optical tunnel LED lighting energy saving control system and method.
Technical scheme of the present invention is achieved in that a kind of tunable optical tunnel LED lighting energy saving control system, and this system comprises LED Tunnel Lamp, PWM tunable optical digital power, regional PLC controller, main control PLC controller, the first infrared ray vehicle checker, the second infrared ray vehicle checker, the first luminance detection device, the second luminance detection device, radar vehicle checker, outside PLC controller; Wherein the LED Tunnel Lamp is installed in inner top both sides, tunnel, and PWM tunable optical digital power is installed in LED Tunnel Lamp rear, and the PWM tunable optical digital power in each is interval is connected to the regional PLC controller that is used to adjust the running tunnel lamp brightness of controlling; All Ranges PLC controller is connected to the main control PLC controller that is used to control whole tunnel illumination system; The first infrared ray vehicle checker and the first luminance detection device are installed in both sides, road surface in the tunnel, and the first infrared ray vehicle checker and the first luminance detection device are connected to the main control PLC controller; Before the tunnel portal; An illumination stopping sight distance place; Above through vehicle, the radar vehicle checker is installed,, the second infrared ray vehicle checker is installed in a side through vehicle; Through another side of vehicle the second luminance detection device is being installed, radar vehicle checker, the second infrared ray vehicle checker and the second luminance detection device are connected to the outside PLC controller that is used to receive, transmit signal simultaneously; Said outside PLC controller is connected to the main control PLC controller.
The described first luminance detection device places entrance, changeover portion, interlude and the outlet section in tunnel respectively; The said first infrared ray vehicle checker places starting position and the end position of outlet section of entrance, changeover portion, interlude and the outlet section in tunnel respectively; And a plurality of first infrared ray vehicle checkers are set at interlude; 84 meters at interval of adjacent two infrared ray vehicle checkers, actual installation quantity is as the criterion with actual environment;
A kind of tunable optical tunnel LED lighting energy saving control method, carry out as follows:
Step 1, gather the vehicle flowrate signal, through be installed in top, tunnel face and two ends apart from the tunnel face before " D S+ D SS" radar vehicle checker and the second infrared ray vehicle checker of distance gather vehicle flowrate signal N, the second luminance detection device is gathered the brightness L outside the tunnel 20D wherein SBe an illumination stopping sight distance, D SSBe illumination stopping sight distance recruitment;
Step 2, the LED Tunnel Lamp is carried out the frequency modulation light modulation handle, according to " highway tunnel ventilation illumination Design standard ", entrance brightness L Th, changeover portion brightness L Tr, interlude brightness L InWith outlet section brightness L Ex: according to the rules, the luminance standard when setting the tunnel defines as follows:
Entrance brightness L Th=K*L 20, wherein K is an entrance brightness reduction coefficient, K=0.01～0.045
Changeover portion brightness L Tr=0.15*L Th
Interlude brightness L In=9.0 (cd/m 2)～1.5 (cd/m 2)
Outlet section brightness L Ex=5*L In
According to above-mentioned standard, above-mentioned each section brightness of definition LED Tunnel Lamp is L b, high-high brightness is L Max, make the LED Tunnel Lamp reach brightness L bNeeded virtual voltage V b, and reach high-high brightness L MaxThe voltage V of Shi Suoxu Max, have:
Figure BDA00001674907400021
Promptly
Figure BDA00001674907400022
When no car passes through in the tunnel; Each LED Tunnel Lamp illumination is reduced to 10% of high-high brightness in the tunnel; The power that is about to each Tunnel Lamp transfers to 10% of rated power, is 10%～100% of high-high brightness between the regulatory region of LED Tunnel Lamp brightness, and the adjustable range of the PWM tunable optical digital power corresponding with it is 1V～10V; The main control PLC controller sends the pressure regulation signal to PWM tunable optical digital power, handles thereby the LED Tunnel Lamp is carried out the frequency modulation light modulation;
The first infrared vehicle checker comprises Y in step 3, the tunnel 2Y N+1, tunnel portal section, changeover portion, interlude and exit length are respectively D 1, D 2, D 3And D 4, the first luminance detection device comprises L 2, L 3, L 4, L 5, be used to detect monochrome information in the tunnel: entrance actual measurement brightness is L S-th, changeover portion actual measurement brightness is L S-tr, interlude section actual measurement brightness is L S-in, outlet section actual measurement brightness is L S-ex, when tunnel portal section, changeover portion, interlude and outlet section reached normal brightness, the voltage that outputs to each section PWM brightness regulation section was V Th, V Tr, V InAnd V Ex, when each section brightness was not up to standard in the tunnel, the virtual voltage that outputs to each section PWM brightness regulation section was V S-th, V S-tr, V S-inAnd V S-ex
Step 4, adjustment illumination stopping sight distance are set D S=158 meters, because actual tunnel illumination LED lamp brightness regulation lags behind, for guaranteeing travel safety, the stopping sight distance that will throw light on increases D SS, D SS=V T-max* T SS, V wherein T-maxBe the speed of a motor vehicle upper limit, T SSFor the LED lighting brightness is regulated the time;
Have or not vehicle pass-through and confirm the brightness of tunnel portal section in step 5, the judgement tunnel;
Step 6, adjusting LED Tunnel Lamp luminance factor; Along with the lamp passing of service time, the light decay situation can take place in the LED Tunnel Lamp, when actual measurement brightness value and normal brightness value are not inconsistent in the tunnel; The main control PLC controller is according to value of feedback; Adjust each section LED Tunnel Lamp luminance factor, adjust the brightness of Tunnel Lamp, make it satisfy the requirement of standard tunnel brightness through the mode of regulating the given voltage of LED Tunnel Lamp.
Have or not vehicle pass-through in the described step 5 judgement tunnel and confirm the brightness of tunnel portal section, divide 3 kinds of situation:
1) when the two-way traffic one-way trip, when volume of traffic N>=1200, entrance brightness reduction coefficient K capping, promptly 0.045; When volume of traffic N≤350, entrance brightness reduction coefficient K takes off limit, and promptly 0.01; When the volume of traffic during at 350≤N≤1200, interpolate value is all got in entrance brightness reduction coefficient K and interlude brightness,
Figure BDA00001674907400031
Interlude brightness L In = N ( 1200 - 900 ) * ( 9.0 - 1.5 ) ;
2) no vehicle sails signal T into before tunnel portal WAfter time, look then no vehicle passes through in the tunnel.A low speed of picking up the car is through tunnel, T W=(D 1+ D 2+ D 3+ D 4+ D S+ D SS)/V T-min, V wherein T-minBe speed of a motor vehicle lower limit, D SS=V T-max* T SSNo vehicle sails signal T into before tunnel portal WIn time, then look this T WBe the stand-by period, the opening under each Tunnel Lamp all maintains the standard in the tunnel.
When 3) no vehicle passed through in the tunnel, the tunnel LED lamp was reduced to 10% of rated power.
Advantage of the present invention: realize illumination as required, avoided " black-hole effect " and " white hole effect ", increased substantially the tunnel traveling security; Detect the vehicle in passing tunnel in real time, the real realization has car " to turn on light ", and no car " is turned off the light ", reaches the tunnel illumination purpose of energy saving.
Description of drawings
Fig. 1 is a kind of tunable optical tunnel LED of the present invention lighting energy saving control system structured flowchart;
Fig. 2 is a kind of tunable optical tunnel LED of the present invention lighting energy saving control system tunnel illumination section pie graph;
Fig. 3 is a kind of tunable optical tunnel LED of the present invention lighting energy saving control system tunnel power-economizing method flow chart;
Among the figure: LI 1～LI N+1For LED Tunnel Lamp, QP are regional PLC controller, Y 2～Y N+1Be the first infrared ray vehicle checker, Y 1Be the second infrared ray vehicle checker, L 2～L 5Be the first luminance detection device, L 1Be the second luminance detection device, X 1For radar vehicle checker, WP are outside PLC controller.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the invention is described further:
As shown in Figure 1, this system comprises LED Tunnel Lamp LI 1～LI N+1, PWM tunable optical digital power, regional PLC controller QP, main control PLC controller, the first infrared ray vehicle checker Y 2～Y N+1, the second infrared ray vehicle checker Y 1, the first luminance detection device L 2～L 5, the second luminance detection device L 1, radar vehicle checker X 1, outside PLC controller WP: wherein the LED Tunnel Lamp is installed in inner top both sides, tunnel, is used for tunnel illumination; PWM tunable optical digital power is installed in the Tunnel Lamp rear, is used to adjust LED Tunnel Lamp power; PWM tunable optical digital power in each is interval is connected to the regional PLC controller that is used to adjust the running tunnel lamp brightness of controlling through holding wire; All Ranges PLC controller is connected to the main control PLC controller that is used to control whole tunnel illumination system through Ethernet optical fiber; The first infrared ray vehicle checker Y apart from about 1 meter of pavement-height, is installed in both sides, road surface in the tunnel 2～Y N+1And the first luminance detection device L 2～L 5, the first infrared ray vehicle checker Y 2～Y N+1And the first luminance detection device L 2～L 5Be connected to the main control PLC controller through holding wire; Radar vehicle checker X installs in gauged distance place before the tunnel portal above through vehicle 1,, the second infrared ray vehicle checker Y is installed in a side through vehicle 1, the second luminance detection device L is being installed through another side of vehicle 1, radar vehicle checker X 1Be connected to the outside PLC controller that is used to receive, transmit signal through the RS485 serial ports, the second infrared ray vehicle checker Y 1, the second luminance detection device L 1Be connected to the outside PLC controller WP that is used to receive, transmit signal through holding wire; Said outside PLC controller is connected to the main control PLC controller through Ethernet optical fiber;
As shown in Figure 2, the first luminance detection device L in the said tunnel 2～L 5Place entrance, changeover portion, interlude and the outlet section in tunnel respectively; The said first infrared ray vehicle checker Y 2～Y N+1Place starting position and the end position of outlet section of entrance, changeover portion, interlude and the outlet section in tunnel respectively; And a plurality of first infrared ray vehicle checkers are set at interlude; 84 meters at interval of adjacent two infrared ray vehicle checkers, actual installation quantity is as the criterion with actual environment;
A kind of tunable optical tunnel LED lighting energy saving control method, as shown in Figure 3, carry out as follows:
Step 1, through be installed in tunnel face top and two ends apart from the tunnel face before " D S+ D SS" the radar vehicle checker X of distance 1With the second infrared ray vehicle checker Y 1Gather vehicle flowrate signal N, the second luminance detection device L 1Gather the brightness L outside the tunnel 20D wherein SBe an illumination stopping sight distance, D SSBe illumination stopping sight distance recruitment;
Step 2, foundation " highway tunnel ventilation illumination Design standard ", entrance brightness L Th, changeover portion brightness L Tr, interlude brightness L InWith outlet section brightness L Ex: according to the rules, the luminance standard when setting the tunnel defines as follows:
Entrance brightness L Th=K*L 20, wherein K is an entrance brightness reduction coefficient, K=0.01～0.045
Changeover portion brightness L Tr=0.15*L Th
Interlude brightness L In=9.0 (cd/m 2)～1.5 (cd/m 2)
Outlet section brightness L Ex=5*L In
According to above-mentioned standard, above-mentioned each section brightness of definition LED lamp is L b, high-high brightness is L Max, make the LED Tunnel Lamp reach brightness L bNeeded virtual voltage V b, and reach high-high brightness L MaxThe voltage V of Shi Suoxu Max, have:
Figure BDA00001674907400041
Promptly When no car passes through in the tunnel; Each LED lamp illumination is reduced to 10% of high-high brightness in the tunnel, and the power that is about to each Tunnel Lamp transfers to 10% of rated power, so; It between the regulatory region of Tunnel Lamp brightness 10%～100% of high-high brightness; The adjustable range of the PWM tunable optical digital power corresponding with it is 1V～10V, and the main control PLC controller sends the pressure regulation signal to the tunable optical digital power, handles thereby the LED Tunnel Lamp is carried out the frequency modulation light modulation;
Step 3, definition tunnel portal section, changeover portion, interlude and exit length are respectively D 1, D 2, D 3And D 4, the first luminance detection device L 2, L 3, L 4, L 5Detect monochrome information in the tunnel: entrance actual measurement brightness L S-th, changeover portion actual measurement brightness L S-tr, interlude section actual measurement brightness L S-in, outlet section actual measurement brightness L S-ex, when tunnel portal section, changeover portion, interlude and outlet section reached normal brightness, the voltage that outputs to each section PWM brightness regulation section was V Th, V Tr, V InAnd V Ex, when each section brightness was not up to standard in the tunnel, the virtual voltage that outputs to each section PWM brightness regulation section was V S-th, V S-tr, V S-inAnd V S-ex
Step 4, radar vehicle checker X 1, the second infrared ray vehicle checker Y 1With the second luminance detection device L 1Be installed in " D before the hole respectively S+ D SS" top and the both sides of rice vehicle through locating, D SValue press shown in figure below:
Illumination stopping sight distance D sTable
Figure BDA00001674907400051
D is set SGet 158 meters of standard peaks, be used to detect information of vehicles and illuminance information outside the tunnel.D SS=V T-max* T SS, set V T-max=100Km/h, T SS=LED lighting brightness is regulated the time;
Have or not vehicle pass-through and confirm the brightness of tunnel portal section in step 5, the judgement tunnel;
1) when the two-way traffic one-way trip, when volume of traffic N>=1200, entrance brightness reduction coefficient K capping, promptly 0.045; When volume of traffic N≤350, entrance brightness reduction coefficient K takes off limit, and promptly 0.01; When the volume of traffic was worth therebetween, interpolate value was all got in entrance brightness reduction coefficient K and interlude brightness, Interlude brightness L In = N ( 1200 - 900 ) * ( 9.0 - 1.5 ) ;
2) as vehicle arrival X 1, Y 1During the vehicle checker place; Outside PLC controller is uploaded to the main control PLC controller with the signal that vehicle checker and luminance detection device collect; The main control PLC controller sends instruction to entrance and changeover portion zone PLC controller; Entrance zone PLC controller carries out pressure regulation by above-mentioned standard to the PMW tunable optical power supply of tunnel portal section and changeover portion to be handled, and makes the LED Tunnel Lamp of tunnel portal section and changeover portion adjust to normal brightness, and all the other each sections are kept intact;
3) according to above-mentioned dimmer design scheme, Y 2～Y 3Interval length overall equals entrance length D 1, Y 3～Y 4Interval length overall equals transition section length D 2, Y 2～Y 3Interval lighting standard is promptly pressed the entrance lighting standard and is calculated, Y 3～Y 4Interval lighting standard is promptly pressed the changeover portion lighting standard and is calculated; When the judgement of main control PLC controller obtains entrance luminance detection device L 2On the entrance intrinsic brilliance L that transmits S-thBelow standard punctual, promptly send instruction to Y to regional PLC controller 2～Y 3Interval PMW tunable optical power supply carries out pressure regulation to be handled, and makes Y 2～Y 3The running tunnel lamp satisfies the standard light illumination requirement; When the judgement of main control PLC controller obtains changeover portion luminance detection device L 3On the changeover portion intrinsic brilliance L that transmits S-trBelow standard punctual, promptly send instruction to Y to regional PLC controller 3～Y 4Interval PMW tunable optical power supply carries out pressure regulation to be handled, and makes Y 3～Y 4The running tunnel lamp satisfies the standard light illumination requirement;
4) as vehicle arrival Y 2During the vehicle checker place, tunnel Y 2～Y 3Interval and Y 3～Y 4Illumination condition is kept in the interval, according to design, and Y 4～Y nInterval infrared ray vehicle checker places the tunnel interlude, and wherein adjacent two infrared ray vehicle checkers are separated by 84 meters, D 1+ D 2<(n-4) 84<d 1+ D 2+ D 3, Y 4～Y 5The running tunnel lamp is opened by above-mentioned standard, and startup and adjustment process are consistent with above-mentioned 2,3 steps, and all the other each sections are kept intact;
5) as vehicle arrival Y 3During the vehicle checker place, Y 2～Y 3Interval, Y 3～Y 4Interval and Y 4～Y 5Illumination condition is kept in the interval, Y 5～Y 6The running tunnel lamp is opened by above-mentioned standard, and startup and adjustment process are consistent with above-mentioned 2,3 steps, and all the other each sections are kept intact;
6) as vehicle arrival Y 4During the vehicle checker place, Y 3～Y 4Interval, Y 4～Y 5Interval and Y 5～Y 6Illumination condition is kept in the interval, Y 2～Y 3Running tunnel lamp power is reduced to 10% of rated power, Y 6～Y 7The running tunnel lamp is opened by above-mentioned standard, and startup and adjustment process are consistent with above-mentioned 2,3 steps, and all the other each sections are kept intact;
7) as vehicle arrival Y N-2During the vehicle checker place, Y N-3～Y N-2Interval, Y N-2～Y N-1Interval and Y N-1～Y nIllumination condition is kept in the interval, Y N-4～Y N-3Running tunnel lamp power is reduced to 10% of rated power, according to design, and Y n～Y N+1Interval length overall equals exit length D 4, Y n～Y N+1Interval lighting standard is promptly pressed the outlet section lighting standard and is calculated, Y n～Y N+1The running tunnel lamp is opened by above-mentioned standard, and startup and adjustment process are consistent with above-mentioned 2,3 steps, and all the other each sections are kept intact;
8) no vehicle sails signal T into before tunnel portal WAfter time, look then no vehicle passes through in the tunnel.A low speed of picking up the car is through tunnel, T W=(D 1+ D 2+ D 3+ D 4+ D S+ D SS)/V T-min, V T-min=60Km/h, D are the tunnel physical length, D SS=V T-max* T SS
When 9) no vehicle passed through in the tunnel, the tunnel LED lamp was reduced to 10% of rated power;
Step 6, carrying out tunnel lighting control method when design, the quantity of each vehicle checker changes according to actual tunnel length in the tunnel, and the programming of main control PLC controller should be adjusted according to actual conditions.

Claims (4)

1. tunable optical tunnel LED lighting energy saving control system, it is characterized in that: this system comprises LED Tunnel Lamp, PWM tunable optical digital power, regional PLC controller, main control PLC controller, the first infrared ray vehicle checker, the second infrared ray vehicle checker, the first luminance detection device, the second luminance detection device, radar vehicle checker, outside PLC controller; Wherein the LED Tunnel Lamp is installed in inner top both sides, tunnel, and PWM tunable optical digital power is installed in LED Tunnel Lamp rear, and the PWM tunable optical digital power in each is interval is connected to the regional PLC controller that is used to adjust the running tunnel lamp brightness of controlling; All Ranges PLC controller is connected to the main control PLC controller that is used to control whole tunnel illumination system; The first infrared ray vehicle checker and the first luminance detection device are installed in both sides, road surface in the tunnel, and the first infrared ray vehicle checker and the first luminance detection device are connected to the main control PLC controller; Before the tunnel portal; An illumination stopping sight distance place; Above through vehicle, the radar vehicle checker is installed,, the second infrared ray vehicle checker is installed in a side through vehicle; Through another side of vehicle the second luminance detection device is being installed, radar vehicle checker, the second infrared ray vehicle checker and the second luminance detection device are connected to the outside PLC controller that is used to receive, transmit signal simultaneously; Said outside PLC controller is connected to the main control PLC controller.
2. tunable optical tunnel LED lighting energy saving control system according to claim 1, it is characterized in that: the described first luminance detection device places entrance, changeover portion, interlude and the outlet section in tunnel respectively; The said first infrared ray vehicle checker places starting position and the end position of outlet section of entrance, changeover portion, interlude and the outlet section in tunnel respectively, at least two first infrared ray vehicle checkers of interlude setting.
3. adopt the control method of the described tunable optical tunnel LED of claim 1 lighting energy saving control system, it is characterized in that: carry out as follows:
Step 1, gather the vehicle flowrate signal, through be installed in top, tunnel face and two ends apart from the tunnel face before " D S+ D SS" radar vehicle checker and the second infrared ray vehicle checker of distance gather vehicle flowrate signal N, the second luminance detection device is gathered the brightness L outside the tunnel 20D wherein SBe an illumination stopping sight distance, D SSBe illumination stopping sight distance recruitment;
Step 2, the LED Tunnel Lamp is carried out the frequency modulation light modulation handle; When no car passed through in the tunnel, each LED lamp illumination was reduced to 10% of high-high brightness in the tunnel, and the power that is about to each Tunnel Lamp transfers to 10% of rated power; It between the regulatory region of Tunnel Lamp brightness 10%～100% of high-high brightness; The adjustable range of the PWM tunable optical digital power corresponding with it is 1V～10V, and the main control PLC controller sends the pressure regulation signal to the tunable optical digital power, the LED Tunnel Lamp is carried out the frequency modulation light modulation handle;
The first infrared vehicle checker comprises Y in step 3, the tunnel 3Y N+1, tunnel portal section, changeover portion, interlude and exit length are respectively D1, D2, D3 and D4, and the first luminance detection device comprises L 2, L 3, L 4, L 5, be used to detect monochrome information in the tunnel: entrance actual measurement brightness is L S-th, changeover portion actual measurement brightness is L S-tr, interlude actual measurement brightness is L S-in, outlet section actual measurement brightness is L S-ex, when tunnel portal section, changeover portion, interlude and outlet section reached normal brightness, the voltage that outputs to each section PWM brightness regulation section was V Th, V Tr, V InAnd V Ex, when each section brightness was not up to standard in the tunnel, the virtual voltage that outputs to each section PWM brightness regulation section was V S-th, V S-tr, V S-inAnd V S-ex
Step 4, adjustment illumination stopping sight distance are set D S=158 meters, because actual tunnel illumination LED lamp brightness regulation lags behind, for guaranteeing travel safety, the stopping sight distance that will throw light on increases D SS, D SS=V T-max* T SS, V wherein T-maxBe the speed of a motor vehicle upper limit, T SSFor the LED lighting brightness is regulated the time;
Have or not vehicle pass-through and confirm the brightness of tunnel portal section in step 5, the judgement tunnel;
Step 6, adjusting LED Tunnel Lamp luminance factor; Along with the lamp passing of service time, the light decay situation can take place in Tunnel Lamp, when actual measurement brightness value and normal brightness value are not inconsistent in the tunnel; The main control PLC controller is according to value of feedback; Adjust each section LED Tunnel Lamp luminance factor, adjust the brightness of Tunnel Lamp, make it satisfy the requirement of standard tunnel brightness through the mode of regulating the given voltage of LED lamp.
4. the control method of tunable optical tunnel LED lighting energy saving control system according to claim 3 is characterized in that: have or not vehicle pass-through in the described step 5 judgement tunnel and confirm the brightness of tunnel portal section, divide 3 kinds of situation:
1) when the two-way traffic one-way trip, when volume of traffic N>=1200, entrance brightness reduction coefficient K capping, promptly 0.045; When volume of traffic N≤350, entrance brightness reduction coefficient K takes off limit, and promptly 0.01; When the volume of traffic was worth therebetween, interpolate value was all got in entrance brightness reduction coefficient K and interlude brightness,
Figure FDA00001674907300021
Interlude brightness L In = N ( 1200 - 900 ) * ( 9.0 - 15 ) ;
2) no vehicle sails signal T into before tunnel portal WAfter time, look then no vehicle passes through in the tunnel; A low speed of picking up the car is through tunnel, T W=(D 1+ D 2+ D 3+ D 4+ D S+ D SS)/V T-min, V wherein T-minBe speed of a motor vehicle lower limit, D SS=V T-max* T SSNo vehicle sails signal T into before tunnel portal WIn time, then look this T WBe the stand-by period, the opening under each Tunnel Lamp all maintains the standard in the tunnel;
When 3) no vehicle passed through in the tunnel, the tunnel LED lamp was reduced to 10% of rated power.
CN201210163124.2A 2012-05-23 2012-05-23 Dimmable tunnel LED (Light-Emitting Diode) illumination energy-saving control method Expired - Fee Related CN102685990B (en)

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CN103415113A (en) * 2013-08-13 2013-11-27 厦门格绿能光电股份有限公司 LED tunnel lamp system and brightness control method for LED tunnel lamps
CN104066243A (en) * 2014-06-13 2014-09-24 长安大学 Tunnel LED illumination control system and method
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CN104066243A (en) * 2014-06-13 2014-09-24 长安大学 Tunnel LED illumination control system and method
CN104066243B (en) * 2014-06-13 2015-09-09 长安大学 Tunnel led illumination control method
CN105101563A (en) * 2015-08-28 2015-11-25 张为坚 Tunnel safety driving lighting system and lighting control method for automobile
CN105101563B (en) * 2015-08-28 2017-09-19 南安市智德机械设备有限公司 A kind of automobile tunnel safety traffic illuminator and illumination control method
CN105188229A (en) * 2015-10-19 2015-12-23 福建船政交通职业学院 Adaptive segmentally controlled tunnel illumination control system and method
CN106488616A (en) * 2016-12-13 2017-03-08 合肥艾斯克光电科技有限责任公司 A kind of Lighting Control Assembly for tunnel LED lamp
CN106658844A (en) * 2016-12-19 2017-05-10 天津港联盟国际集装箱码头有限公司 Rubber-tired crane LED light source energy saving system
CN107062069A (en) * 2017-03-17 2017-08-18 长安大学 A kind of five sections of long tunnel divides illumination method to set up
CN109005613A (en) * 2017-06-07 2018-12-14 深圳市长运通半导体技术有限公司 tunnel illumination intelligent control method and system
CN107454721A (en) * 2017-07-10 2017-12-08 佛山职业技术学院 A kind of self-induction light modulation tunnel illuminating system and its dimming controlling method
CN107454721B (en) * 2017-07-10 2019-06-04 佛山职业技术学院 A kind of self-induction light modulation tunnel illuminating system and its dimming controlling method
CN107864541A (en) * 2017-11-29 2018-03-30 北京工业大学 Tunnel illumination intelligent dimming method
CN107896411A (en) * 2017-12-07 2018-04-10 深圳市中科智联科技有限公司 Tunnel illuminating system and its control method
CN107896411B (en) * 2017-12-07 2020-03-31 深圳市中科智联科技有限公司 Tunnel lighting system and control method thereof
CN109152168A (en) * 2018-08-17 2019-01-04 北海飞九天电子科技有限公司 One kind is based on sound time control unidirectional tunnel lamp control method and its control system
CN110167236A (en) * 2019-06-21 2019-08-23 长安大学 A kind of tunnel illumination control system and control method
CN110167236B (en) * 2019-06-21 2024-01-05 长安大学 Tunnel illumination control system and control method
CN110290626A (en) * 2019-07-16 2019-09-27 浙江省交通运输科学研究院 A kind of tunnel strengthening segment solar energy recurrence lighting power supply system
WO2021048845A1 (en) * 2019-09-11 2021-03-18 Bioled Eco Light Systems Ltd A smart controlled lighting system

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