CN115679856A - Method for detecting occurrence place of tunnel overtaking lane change behavior - Google Patents
Method for detecting occurrence place of tunnel overtaking lane change behavior Download PDFInfo
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- CN115679856A CN115679856A CN202211188016.0A CN202211188016A CN115679856A CN 115679856 A CN115679856 A CN 115679856A CN 202211188016 A CN202211188016 A CN 202211188016A CN 115679856 A CN115679856 A CN 115679856A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims abstract description 56
- 239000000843 powder Substances 0.000 claims abstract description 41
- 229910003668 SrAl Inorganic materials 0.000 claims abstract description 36
- 238000004020 luminiscence type Methods 0.000 claims abstract description 24
- 239000003822 epoxy resin Substances 0.000 claims abstract description 22
- 239000011268 mixed slurry Substances 0.000 claims abstract description 22
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 22
- 239000003292 glue Substances 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 239000004568 cement Substances 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 9
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 claims description 15
- 229910000018 strontium carbonate Inorganic materials 0.000 claims description 15
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 229910001940 europium oxide Inorganic materials 0.000 claims description 10
- AEBZCFFCDTZXHP-UHFFFAOYSA-N europium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Eu+3].[Eu+3] AEBZCFFCDTZXHP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 230000002238 attenuated effect Effects 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- 238000005286 illumination Methods 0.000 claims description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 7
- 239000012298 atmosphere Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000003746 solid phase reaction Methods 0.000 claims description 5
- 230000006399 behavior Effects 0.000 description 34
- 238000010438 heat treatment Methods 0.000 description 6
- 238000005424 photoluminescence Methods 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 5
- 206010039203 Road traffic accident Diseases 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000000103 photoluminescence spectrum Methods 0.000 description 1
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Abstract
The invention relates to a method for detecting the occurrence place of a tunnel overtaking lane change behavior, and belongs to the technical field of tunnel traffic safety detection. The invention mixes cement, epoxy resin A glue, epoxy resin B glue and SrAl 2 O 4 :Eu 2+ Uniformly mixing the fluorescent powder and the white coating to form mixed slurry; coating the mixed slurry on a road traffic marking in a tunnel by using a road marking machine to form a fluorescent marking; a plurality of optical signal detectors are equidistantly arranged at the top of the tunnel along the extending direction of the road line, are positioned right above the fluorescent marked line and carry out detection on the optical signal detectorsNumbering, namely performing grid division on the position range detected by the optical signal detector, wherein the optical signal detector is externally connected with a traffic control system; and detecting the stress luminescence condition of the fluorescent marked line through an optical signal detector, and judging the occurrence place of the tunnel overtaking lane change behavior. The invention not only can accurately detect the occurrence place of the tunnel overtaking lane change behavior, but also can provide clear road indication in the normal driving process of the vehicle.
Description
Technical Field
The invention relates to a method for detecting the occurrence place of a tunnel overtaking lane change behavior, and belongs to the technical field of tunnel traffic safety detection.
Background
Traffic accidents in tunnels account for a very large proportion in the current field of traffic accidents, and when traffic accidents occur in tunnels, large-scale paralysis of road traffic can be caused, so that traffic is seriously influenced. Traffic accidents in tunnels are often caused by illegal lane changes and overtaking of cars. Due to the fact that light rays are weak in the tunnel, the illegal snapshot camera is difficult to cover the tunnel completely, and the like, the tunnel is not suitable for installing intensive illegal snapshot equipment in the tunnel.
At present, a method for detecting the occurrence place of the tunnel overtaking lane change behavior does not exist.
Disclosure of Invention
The invention provides a method for detecting the occurrence place of a tunnel overtaking lane change behavior aiming at the blind spot of the detection of the occurrence place of the tunnel overtaking lane change behavior in the prior art 2 O 4 :Eu 2+ The fluorescent powder is SrAl in the fluorescent marking line when the overtaking lane change behavior of the automobile does not occur 2 O 4 :Eu 2+ The fluorescent powder absorbs the illumination of the tunnel street lamp and the vehicle lamp to emit green afterglow weak light, and clear road indication is provided in the normal running process of the vehicle; when the automobile has overtaking lane change behavior, srAl 2 O 4 :Eu 2+ The fluorescent powder generates green stress strong light and green afterglow under the action of compressive stress, and the optical signal detector detects and collects optical signals of the green stress strong light and the green afterglow with gradually attenuated light intensity, so that the occurrence place of the tunnel overtaking lane change behavior can be accurately detected.
A method for detecting the occurrence place of a tunnel overtaking lane change behavior comprises the following specific steps:
(1) Mixing cement, epoxy resin A glue, epoxy resin B glue and SrAl 2 O 4 :Eu 2+ Uniformly mixing the fluorescent powder and the white coating to form mixed slurry;
(2) Coating the mixed slurry obtained in the step (1) on a road traffic marking in a tunnel by using a road marking machine to form a fluorescent marking;
(3) The tunnel top is equidistantly provided with a plurality of optical signal detectors along the extension direction of a road line, the optical signal detectors are positioned right above the fluorescent marking line and are numbered, the position range detected by the optical signal detectors is subjected to grid division, and the optical signal detectors are externally connected with a traffic control system;
(4) Detecting the stress luminescence condition of the fluorescent marking through an optical signal detector, and judging the occurrence place of the tunnel overtaking lane change behavior; when the automobile does not overtake and change lanes, namely the automobile tires do not cross the fluorescent marked line, the fluorescent marked line absorbs illumination of the tunnel street lamp and the automobile lamp and emits green afterglow weak light, the fluorescent marked line is not stressed, and green stress strong light is not generated; when the automobile overtaking lane change behavior occurs, namely the automobile tire crosses the fluorescent marking, after the fluorescent marking is pressed on the automobile wheel, the SrAl 2 O 4 :Eu 2+ The fluorescent powder generates green stress strong light and green afterglow, the optical signal detector detects and collects the green stress strong light generated by the fluorescent marked line at the overtaking lane change behavior occurrence place and the optical signal of the green afterglow with gradually attenuated light intensity, and transmits the optical signal to the traffic control system, and the traffic control system positions the overtaking lane change behavior occurrence place according to the serial number of the optical signal detector and the grids divided by the detection position range of the optical signal detector.
In the mixed slurry, 15 to 17 parts of cement, 15 to 17 parts of epoxy resin A adhesive, 5 to 6 parts of epoxy resin B adhesive and SrAl 2 O 4 :Eu 2+ 3-5 parts of fluorescent powder and 8-10 parts of white paint.
The SrAl 2 O 4 :Eu 2+ The preparation method of the fluorescent powder comprises the following specific steps:
1) Uniformly mixing strontium carbonate, aluminum oxide and europium oxide to obtain a mixture;
2) Putting the mixture in a protective gas atmosphere, performing high-temperature solid-phase reaction at 1300-1350 ℃ for 5-7 h, and cooling to room temperature to obtain SrAl 2 O 4 :Eu 2+ And (3) fluorescent powder.
Preferably, the molar ratio of the strontium carbonate to the aluminum oxide is 1:2, and the molar amount of the europium oxide is 3 to 5 percent of the total molar amount of the strontium carbonate and the aluminum oxide.
SrAl of the invention 2 O 4 :Eu 2+ The excitation light source of the fluorescent powder is a natural light source or an artificial light source with the wavelength of 250-500 nm, green afterglow with the wavelength of 400-700nm is emitted, and the emission time of the green afterglow can reach more than eight hours; so that SrAl in the fluorescent marking line when the automobile does not overtake and change lanes 2 O 4 :Eu 2+ The fluorescent powder absorbs illumination of the tunnel street lamp and the car lamp to emit green afterglow weak light, and clear road indication is provided in the normal running process of the car;
SrAl 2 O 4 :Eu 2+ when the fluorescent powder is under compressive stress, green stress strong light with the wavelength of 400-700nm is emitted, and after the compressive stress is relieved, green afterglow with gradually attenuated light intensity is emitted; so when the automobile takes the overtaking lane-changing behavior, srAl 2 O 4 :Eu 2+ The fluorescent powder generates green stress strong light and green afterglow under the action of compressive stress, and the optical signal detector detects and collects optical signals of the green stress strong light and the green afterglow with gradually attenuated light intensity, so that the occurrence place of the tunnel overtaking lane change behavior can be accurately detected.
The invention has the beneficial effects that:
(1) SrAl is added into the coating of the road traffic marking 2 O 4 :Eu 2+ The fluorescent powder can not only accurately detect the occurrence place of the tunnel overtaking lane change behavior, but also provide clear road indication in the normal running process of the vehicle;
(2) The light signal in the tunnel with weak light rays cannot be influenced by the sunlight full-spectrum light source, the light source and the vehicle lamp used in the tunnel are fixed-wavelength light sources, and the green light (long afterglow and/or stress luminescence) emitted by the road marking line is easily separated from the artificial light source in the light signal collector, so that the accurate positioning of the occurrence place of the tunnel overtaking lane changing behavior is realized.
Drawings
FIG. 1 shows SrAl of example 1 2 O 4 :Eu 2+ XRD pattern of the phosphor;
FIG. 2 is a graph of photoluminescence and afterglow luminescence spectra of a cured mixed slurry of example 1;
FIG. 3 is an afterglow decay curve after curing of the mixed slurry of example 1;
FIG. 4 is a photograph of photoluminescence, afterglow luminescence and stress luminescence of a writing pressed after curing of the mixed paste of example 1;
FIG. 5 is a graph of afterglow luminescence from stress after a vehicle wheel crush in the fluorescent reticle of example 1;
FIG. 6 is a graph of afterglow luminescence of the fluorescent reticle of example 2 after being subjected to stress after rolling by a wheel;
FIG. 7 is a graph of afterglow luminescence of the fluorescent marked line after the fluorescent marked line is rolled by a wheel in example 3.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments, but the scope of the present invention is not limited to the description.
Example 1: a method for detecting the occurrence place of a tunnel overtaking lane change behavior comprises the following specific steps:
(1) Cement, commercially available epoxy resin A glue, commercially available epoxy resin B glue, srAl 2 O 4 :Eu 2+ Uniformly mixing the fluorescent powder and a commercially available white coating to form mixed slurry; wherein the mixed slurry comprises 15 parts of cement, 15 parts of commercial epoxy resin A glue (main glue), 5 parts of commercial epoxy resin B glue (hardening agent), and SrAl 2 O 4 :Eu 2+ 3 parts of fluorescent powder and 10 parts of white paint;
SrAl 2 O 4 :Eu 2+ the preparation method of the fluorescent powder comprises the following specific steps:
1) Uniformly mixing strontium carbonate, aluminum oxide and europium oxide to obtain a mixture; the molar ratio of strontium carbonate to alumina is 1:2, and the molar amount of europium oxide is 3% of the total molar amount of strontium carbonate and alumina;
2) Placing the mixture in a protective gas atmosphere, uniformly heating to 1300 ℃ at a heating rate of 5 ℃/min, carrying out high-temperature solid-phase reaction for 5h, and cooling to room temperature to obtain SrAl 2 O 4 :Eu 2+ Fluorescent powder;
SrAl 2 O 4 :Eu 2+ the XRD pattern of the phosphor is shown in figure 1, and as can be seen from figure 1, the prepared sample XRD is highly consistent with the standard PDF card (74-0794), which indicates that the prepared sample is pure phase;
the photoluminescence and afterglow photoluminescence spectra of the mixed slurry after curing are shown in FIG. 2, and as can be seen from FIG. 2, the long afterglow luminescence and photoluminescence both come from the same luminescence center and represent green emission of 400-700 nm;
the afterglow decay curve of the sample solidified by the mixed slurry is shown in figure 3, and the sample has green afterglow lasting for more than 8 hours as can be seen from figure 3; is made of SrAl 2 O 4 :Eu 2+ The carriers in the high-concentration shallow traps are transferred to a luminescence center through a conduction band at room temperature and then are generated by being compounded with holes;
the picture of the photoluminescence, afterglow luminescence and stress luminescence material object when the writing is pressed after the mixed slurry is solidified is shown in figure 4, and the photoluminescence, afterglow luminescence and stress luminescence are shown as bright green emission from figure 4;
(2) Coating the mixed slurry obtained in the step (1) on a road traffic marking in a tunnel by using a road marking machine to form a fluorescent marking;
the afterglow luminescence of the stress after the fluorescent marked line is rolled by the wheel is shown in figure 5, and the SrAl can be seen from figure 5 2 O 4 :Eu 2+ The fluorescent powder generates green stress hard light and green afterglow with emission wavelength of 400-700nm under the pressure stress of rolling of wheels; the light signal in the tunnel with weak light cannot be influenced by sunlight full-spectrum light sources, the light sources and the vehicle lamps used in the tunnel are fixed-wavelength light sources, and green light (long afterglow and/or stress luminescence) emitted by the road marking line is easily separated from an artificial light source in the light signal collector, so that the purpose of overtaking the tunnel is achievedAccurately positioning the place where the lane change behavior occurs;
(3) The tunnel top is equidistantly provided with a plurality of optical signal detectors along the extension direction of a road line, the optical signal detectors are positioned right above the fluorescent marked line and are numbered, the position range detected by the optical signal detectors is subjected to grid division, and the optical signal detectors are externally connected with a traffic control system;
(4) Detecting the stress luminescence condition of the fluorescent marking through an optical signal detector, and judging the occurrence place of the tunnel overtaking lane change behavior; when the automobile does not overtake and change lanes, namely the automobile tires do not cross the fluorescent marked line, the fluorescent marked line absorbs the illumination of the tunnel street lamp and the automobile lamp to emit green afterglow weak light, the fluorescent marked line is not stressed by pressure stress, and green stress strong light is not generated; when the automobile overtaking lane change behavior occurs, namely the automobile tire crosses the fluorescent marking, after the fluorescent marking is pressed on the automobile wheel, the SrAl 2 O 4 :Eu 2+ The fluorescent powder generates green stress strong light and green afterglow, the optical signal detector detects and collects the green stress strong light generated by the fluorescent marked line at the overtaking lane change behavior occurrence place and the optical signal of the green afterglow with gradually attenuated light intensity, and transmits the optical signal to the traffic control system, and the traffic control system positions the overtaking lane change behavior occurrence place according to the serial number of the optical signal detector and the grids divided by the detection position range of the optical signal detector.
Example 2: a method for detecting the occurrence place of a tunnel overtaking lane change behavior comprises the following specific steps:
(1) Cement, commercially available epoxy resin A glue, commercially available epoxy resin B glue, srAl 2 O 4 :Eu 2+ Uniformly mixing the fluorescent powder and a commercially available white coating to form mixed slurry; wherein the mixed slurry comprises 16 parts of cement, 16 parts of a commercially available epoxy resin A adhesive (main adhesive), 6 parts of a commercially available epoxy resin B adhesive (hardening agent), and SrAl 2 O 4 :Eu 2+ 4 parts of fluorescent powder and 9 parts of white paint;
SrAl 2 O 4 :Eu 2+ the preparation method of the fluorescent powder comprises the following specific steps:
1) Uniformly mixing strontium carbonate, aluminum oxide and europium oxide to obtain a mixture; the molar ratio of the strontium carbonate to the alumina is 1:2, and the molar amount of the europium oxide is 4 percent of the total molar amount of the strontium carbonate and the alumina;
2) Placing the mixture in a protective gas atmosphere, uniformly heating to 1325 ℃ at a heating rate of 5 ℃/min, carrying out high-temperature solid-phase reaction for 6h, and cooling to room temperature to obtain SrAl 2 O 4 :Eu 2+ Fluorescent powder;
this example SrAl 2 O 4 :Eu 2+ The excitation light source of the fluorescent powder is a natural light source or an artificial light source with the wavelength of 250-500 nm, green afterglow with the wavelength of 400-700nm is emitted, and the emission time of the green afterglow can reach more than eight hours; srAl 2 O 4 :Eu 2+ When the fluorescent powder is under compressive stress, green stress strong light with the wavelength of 400-700nm is emitted, and after the compressive stress is relieved, green afterglow with gradually attenuated light intensity is emitted;
(2) Coating the mixed slurry obtained in the step (1) on a road traffic marking in a tunnel by using a road marking machine to form a fluorescent marking;
the afterglow luminescence graph of stress after the fluorescent marked line is rolled by wheels is shown in figure 6, and SrAl can be seen from figure 6 2 O 4 :Eu 2+ The fluorescent powder generates green stress hard light and green afterglow with emission wavelength of 400-700nm under the pressure stress of rolling of wheels; the light signal in the tunnel with weak light cannot be influenced by the full-spectrum light source such as sunlight, the light source and the car light used in the tunnel are fixed-wavelength light sources, and green light (long afterglow and/or stress luminescence) emitted by road marking lines is easily separated from an artificial light source in a light signal collector, so that the accurate positioning of the occurrence place of the tunnel overtaking and lane changing behaviors is realized;
(3) The tunnel top is equidistantly provided with a plurality of optical signal detectors along the extension direction of a road line, the optical signal detectors are positioned right above the fluorescent marked line and are numbered, the position range detected by the optical signal detectors is subjected to grid division, and the optical signal detectors are externally connected with a traffic control system;
(4) The stress luminescence condition of the fluorescent marking is detected by an optical signal detector, and the place where the tunnel overtaking lane changing behavior occurs is judgedPoint; when the automobile does not overtake and change lanes, namely the automobile tires do not cross the fluorescent marked line, the fluorescent marked line absorbs the illumination of the tunnel street lamp and the automobile lamp to emit green afterglow weak light, the fluorescent marked line is not stressed by pressure stress, and green stress strong light is not generated; when the automobile overtaking lane change behavior occurs, namely the automobile tire crosses the fluorescent marking, after the fluorescent marking is pressed on the automobile wheel, the SrAl 2 O 4 :Eu 2+ The fluorescent powder generates green stress strong light and green afterglow, the optical signal detector detects and collects the green stress strong light generated by the fluorescent marked line at the overtaking lane change behavior occurrence place and the optical signal of the green afterglow with gradually attenuated light intensity, and transmits the optical signal to the traffic control system, and the traffic control system positions the overtaking lane change behavior occurrence place according to the serial number of the optical signal detector and the grids divided by the detection position range of the optical signal detector.
Example 3: a method for detecting the occurrence place of a tunnel overtaking lane change behavior comprises the following specific steps:
(1) Cement, commercially available epoxy resin A glue, commercially available epoxy resin B glue, srAl 2 O 4 :Eu 2+ Uniformly mixing the fluorescent powder and a commercially available white coating to form mixed slurry; wherein the mixed slurry comprises 17 parts of cement, 17 parts of a commercially available epoxy resin A adhesive (main adhesive), 7 parts of a commercially available epoxy resin B adhesive (hardening agent), and SrAl 2 O 4 :Eu 2+ 5 parts of fluorescent powder and 10 parts of white paint;
SrAl 2 O 4 :Eu 2+ the preparation method of the fluorescent powder comprises the following specific steps:
1) Uniformly mixing strontium carbonate, aluminum oxide and europium oxide to obtain a mixture; the molar ratio of strontium carbonate to alumina is 1:2, and the molar amount of europium oxide is 5% of the total molar amount of strontium carbonate and alumina;
2) Placing the mixture in a protective gas atmosphere, uniformly heating to 1350 ℃ at a heating rate of 5 ℃/min, carrying out high-temperature solid-phase reaction for 7h, and cooling to room temperature to obtain SrAl 2 O 4 :Eu 2+ Fluorescent powder;
this example SrAl 2 O 4 :Eu 2+ The excitation light source of the fluorescent powder is natural with the wavelength of 250-500 nmThe light source or the artificial light source emits green afterglow with the wavelength of 400-700nm, and the emission time of the green afterglow can reach more than eight hours; srAl 2 O 4 :Eu 2+ When the fluorescent powder is under compressive stress, green stress strong light with the wavelength of 400-700nm is emitted, and after the compressive stress is relieved, green afterglow with gradually attenuated light intensity is emitted;
(2) Coating the mixed slurry obtained in the step (1) on a road traffic marking in a tunnel by using a road marking machine to form a fluorescent marking;
the afterglow luminescence graph of stress after the fluorescent marked line is rolled by wheels is shown in figure 7, and SrAl can be seen from figure 7 2 O 4 :Eu 2+ The fluorescent powder generates green stress hard light and green afterglow with emission wavelength of 400-700nm under the pressure stress of rolling of wheels; the light signal in the tunnel with weak light cannot be influenced by sunlight full-spectrum light sources, light sources and vehicle lamps used in the tunnel are fixed-wavelength light sources, green light (long afterglow and/or stress luminescence) emitted by road marking lines is easily separated from an artificial light source in a light signal collector, and the accurate positioning of the occurrence place of the tunnel overtaking lane changing behavior is realized;
(3) The tunnel top is equidistantly provided with a plurality of optical signal detectors along the extension direction of a road line, the optical signal detectors are positioned right above the fluorescent marking line and are numbered, the position range detected by the optical signal detectors is subjected to grid division, and the optical signal detectors are externally connected with a traffic control system;
(4) Detecting the stress luminescence condition of the fluorescent marking through an optical signal detector, and judging the occurrence place of the tunnel overtaking lane change behavior; when the automobile does not overtake and change lanes, namely the automobile tires do not cross the fluorescent marked line, the fluorescent marked line absorbs the illumination of the tunnel street lamp and the automobile lamp to emit green afterglow weak light, the fluorescent marked line is not stressed by pressure stress, and green stress strong light is not generated; when the automobile overtaking lane change behavior occurs, namely the automobile tire crosses the fluorescent marking, after the fluorescent marking is pressed on the automobile wheel, the SrAl 2 O 4 :Eu 2+ The fluorescent powder generates green stress strong light and green afterglow, and the optical signal detector detects and collects the green light generated by the fluorescent marked line at the place where the overtaking lane-changing action occursAnd the traffic control system positions the occurrence place of the overtaking lane-changing behavior according to the serial number of the optical signal detector and the grids divided by the detection position range of the optical signal detector.
While the present invention has been described in detail with reference to the specific embodiments thereof, the present invention is not limited to the embodiments described above, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (4)
1. A method for detecting the occurrence place of a tunnel overtaking lane change behavior is characterized by comprising the following specific steps:
(1) Mixing cement, epoxy resin A glue, epoxy resin B glue and SrAl 2 O 4 :Eu 2+ Uniformly mixing the fluorescent powder and the white coating to form mixed slurry;
(2) Coating the mixed slurry obtained in the step (1) on a road traffic marking in a tunnel by using a road marking machine to form a fluorescent marking;
(3) The tunnel top is equidistantly provided with a plurality of optical signal detectors along the extension direction of a road line, the optical signal detectors are positioned right above the fluorescent marking line and are numbered, the position range detected by the optical signal detectors is subjected to grid division, and the optical signal detectors are externally connected with a traffic control system;
(4) Detecting the stress luminescence condition of the fluorescent marking through an optical signal detector, and judging the occurrence place of the tunnel overtaking lane changing behavior; when the automobile does not overtake and change lanes, namely the automobile tires do not cross the fluorescent marked line, the fluorescent marked line absorbs illumination of the tunnel street lamp and the automobile lamp and emits green afterglow weak light, the fluorescent marked line is not stressed, and green stress strong light is not generated; when the automobile overtaking lane change behavior occurs, namely the automobile tire crosses the fluorescent marking, after the fluorescent marking is pressed on the automobile wheel, the SrAl 2 O 4 :Eu 2+ The fluorescent powder generates green stress strong light and green afterglow, and the optical signal detector detects and collects the generation of the fluorescent marked line at the occurrence place of the overtaking lane-changing behaviorThe green stress strong light and the green afterglow optical signals with gradually attenuated light intensity are transmitted to a traffic control system, and the traffic control system positions the occurrence place of the overtaking lane-changing behavior according to the serial number of the optical signal detector and the grids divided by the detection position range of the optical signal detector.
2. The method for detecting the occurrence place of the tunnel overtaking lane change behavior according to claim 1, characterized in that: in the mixed slurry, 15-17 parts of cement, 15-17 parts of epoxy resin A adhesive, 5-6 parts of epoxy resin B adhesive and SrAl 2 O 4 :Eu 2+ 3-5 parts of fluorescent powder and 8-10 parts of white paint.
3. The method for detecting the occurrence place of the tunnel overtaking lane change behavior according to claim 1, characterized in that:
SrAl 2 O 4 :Eu 2+ the preparation method of the fluorescent powder comprises the following specific steps:
1) Uniformly mixing strontium carbonate, aluminum oxide and europium oxide to obtain a mixture;
2) Putting the mixture in a protective gas atmosphere, performing high-temperature solid-phase reaction at 1300-1350 ℃ for 5-7 h, and cooling to room temperature to obtain SrAl 2 O 4 :Eu 2+ And (3) fluorescent powder.
4. The method for detecting the occurrence place of the tunnel overtaking lane change behavior according to claim 3, characterized in that: the mol ratio of strontium carbonate to alumina is 1:2, and the mol amount of europium oxide is 3-5% of the total mol amount of strontium carbonate and alumina.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2091825C1 (en) * | 1995-08-09 | 1997-09-27 | Сергей Александрович Филин | Light-reflecting marking line |
| US20070048084A1 (en) * | 2005-08-26 | 2007-03-01 | Jung Edward K | Modifiable display marker |
| JP2010037813A (en) * | 2008-08-05 | 2010-02-18 | Maruken Co Ltd | Paving member having luminous function and elastic pavement using the paving member |
| CN204928831U (en) * | 2015-09-30 | 2015-12-30 | 重庆平伟光电科技有限公司 | Car networking systems based on on -vehicle LED and visible light communication |
| US9437109B1 (en) * | 2014-06-24 | 2016-09-06 | Joseph V. Stafford | Emergency safety marker system |
| CN206090373U (en) * | 2016-02-23 | 2017-04-12 | 浙江建腾建设有限公司 | Keep apart stone ball |
| CN106699018A (en) * | 2017-02-16 | 2017-05-24 | 南京高佳路桥工程有限公司 | Fluorescent bitumen, preparation method thereof and pavement applying fluorescent bitumen |
| RU2634024C1 (en) * | 2016-10-10 | 2017-10-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский Мордовский государственный университет им. Н.П. Огарёва" | Method for producing luminophore with long afterglow |
| CN107739211A (en) * | 2017-11-02 | 2018-02-27 | 杭州显庆科技有限公司 | A kind of yellow green mechanoluminescence ceramic material and preparation method thereof |
| CN110437828A (en) * | 2019-08-19 | 2019-11-12 | 昆明理工大学 | A kind of green long afterglow luminescent material and preparation method thereof |
| CN110645973A (en) * | 2019-09-24 | 2020-01-03 | 森思泰克河北科技有限公司 | Vehicle positioning method |
| CN111253820A (en) * | 2020-04-17 | 2020-06-09 | 贾超 | Self-luminous wear-resistant road marking paint and preparation and construction method thereof |
-
2022
- 2022-09-28 CN CN202211188016.0A patent/CN115679856A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2091825C1 (en) * | 1995-08-09 | 1997-09-27 | Сергей Александрович Филин | Light-reflecting marking line |
| US20070048084A1 (en) * | 2005-08-26 | 2007-03-01 | Jung Edward K | Modifiable display marker |
| JP2010037813A (en) * | 2008-08-05 | 2010-02-18 | Maruken Co Ltd | Paving member having luminous function and elastic pavement using the paving member |
| US9437109B1 (en) * | 2014-06-24 | 2016-09-06 | Joseph V. Stafford | Emergency safety marker system |
| CN204928831U (en) * | 2015-09-30 | 2015-12-30 | 重庆平伟光电科技有限公司 | Car networking systems based on on -vehicle LED and visible light communication |
| CN206090373U (en) * | 2016-02-23 | 2017-04-12 | 浙江建腾建设有限公司 | Keep apart stone ball |
| RU2634024C1 (en) * | 2016-10-10 | 2017-10-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский Мордовский государственный университет им. Н.П. Огарёва" | Method for producing luminophore with long afterglow |
| CN106699018A (en) * | 2017-02-16 | 2017-05-24 | 南京高佳路桥工程有限公司 | Fluorescent bitumen, preparation method thereof and pavement applying fluorescent bitumen |
| CN107739211A (en) * | 2017-11-02 | 2018-02-27 | 杭州显庆科技有限公司 | A kind of yellow green mechanoluminescence ceramic material and preparation method thereof |
| CN110437828A (en) * | 2019-08-19 | 2019-11-12 | 昆明理工大学 | A kind of green long afterglow luminescent material and preparation method thereof |
| CN110645973A (en) * | 2019-09-24 | 2020-01-03 | 森思泰克河北科技有限公司 | Vehicle positioning method |
| CN111253820A (en) * | 2020-04-17 | 2020-06-09 | 贾超 | Self-luminous wear-resistant road marking paint and preparation and construction method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 周文斌;毛启楠;陈志安;季振国;: "背景光辐照下SrAl_2O_4:(Eu~(2+), Dy~(3+))的力致发光性能的实验研究", 传感技术学报, no. 08, 15 August 2017 (2017-08-15) * |
| 林文岩;陈君珍;: "蓄能型自发光交通安全标识路用性能影响因素分析", 公路交通科技(应用技术版), no. 03, 15 March 2016 (2016-03-15) * |
| 王丽;王晓东;黄国勇;吴建德;范玉刚;: "基于LED光源隧道照明调光系统的研究与设计", 自动化仪表, no. 12, 20 December 2012 (2012-12-20) * |
| 肖延胜;: "中国"领跑"发光材料科学路上追梦人――记武汉大学量子物质能量转换协同创新中心高级研究员涂东", 海峡科技与产业, no. 01, 15 January 2019 (2019-01-15) * |
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