Summary of the invention
The object of the utility model scheme is exactly to solve the problem, and propose new technology and solution, whether namely detect with the pressure sensor being placed in sidewalk, ground end at the whole story has pedestrian to pass through, as long as someone sets foot on sidewalk, just can be perceived, real-time unlatching or shutoff are embedded in the LED light on zebra stripes, expand detection protection domain, on this basis, because the present invention adopts solar powered, utilize light-operated switch controller, make whole device only in the work at overcast and rainy or night that visibility is not high, further save electric energy, the essential characteristic of the technical program is: a kind of solar energy intelligent zebra stripes device, it is by solar electric power supply system, pedestrian's sensing and detecting system, PLC control system, zebra stripes LED light system and phonetic warning system five part composition, direct current needed for whole device is provided by solar electric power supply system, solar electric power supply system is by lamp stand, solar panel, battery and power supervisor composition.Pedestrian's sensing and detecting system is made up of the identical pressure sensor assembly of two covers, and pressure sensor is installed on the position at zebra stripes end at the whole story, close road edge; Zebra stripes LED light system is made up of metal heat sink, transparent glass, LED lamp panel and waterproofing and airtight adhesive tape, and metal heat sink is fixed in the hole of road surface zebra stripes, and major part is in hole, and sub-fraction exposes road surface; Phonetic warning system is made up of Voice command chip 11 and loudspeaker 10.
What described technical scheme also had is characterized in that: solar panel is fixed on lamp stand, and lamp stand is arranged near zebra stripes; Send ruddiness by being embedded in zebra stripes LED light system, warning is vehicular traffic around, and by phonetic warning system, reminds pedestrian; Pedestrian's sensing and detecting system is made up of two cover pressure sensor modules, and pressure sensor module is installed on ground; Pressure sensor module has two pressure sensors to form, two pressure sensors be installed on respectively sidewalk near the position of highway and zebra stripes end the position near sidewalk; Control system is can according to the time difference of two sensor detection signal, determines the direction of travel of pedestrian and determines the device that pedestrian enters sidewalk or leave sidewalk.
The utility model is compared with conventional art scheme, and institute has advantage and remarkable result is:
1, to come in and go out detection scheme relative to traditional pedestrian, the sensor being embedded in ground can detect land pedestrian to a greater extent, prevents from causing detection leakage phenomenon because of No Through Route for Pedestrians; The sensor that is stressed responds, and the LED be embedded on zebra stripes triggers automatically, sends ruddiness to warn vehicular traffic, the occurrence probability of minimizing accident to greatest extent.
2, solar powered owing to adopting, device of the present invention is without the need to additional power supply, easy for installation.Adopt unique Controlling Technology that the LED working time is optimized, thus reach energy conservation, improve the object in LED lamp application life.
3, sensor is embedded in ground, and device appearance is succinct, without the need to installing Laser emission plate and dash receiver in Zebra crossing pedestrian entrance, has no effect to city look and feel.
Detailed description of the invention
Solar electric power supply system, be made up of lamp stand 6, solar panel 7, battery 8 and power supervisor 9, lamp stand 6 stands on zebra stripes near zone, installation site is not to block traffic, not affecting the appearance of the city and being easy to accept solar irradiation is principle, and solar panel 7, battery 8 and power supervisor 9 are fixed on lamp stand 6, by power supervisor 9, the electrical power storage that solar panel 7 is produced in battery 8, for device in night and overcast and rainy operation.
Pedestrian's sensing and detecting system, be made up of the identical pressure sensor assembly of two covers, pedestrian whether is had to be positioned on zebra stripes and the direction of travel of pedestrian for detecting, pressure sensor 1, 2 are installed on zebra stripes end at the whole story, near the position at road edge, guarantee the pedestrian on sidewalk, no matter in any direction step on zebra stripes, system all can sense, thus avoid pedestrian when entering into from zebra stripes side, the blind area of system monitoring, pressure sensor 1 in embodiment, 2 is distinguishing, when pedestrian tramples pressure sensor 1, when 2, the effect of self gravitation, the foil gauge of pressure sensor is deformed, thus therefore the resistance value of foil gauge also can change, when there being the signal of telecommunication by foil gauge, system can monitor the change of the signal of telecommunication, and then monitor the existence of pedestrian, in the present system, foil gauge circulates certain electric current, current value is invariable, when causing self resistance change after foil gauge compressive deformation, because current constant is constant, therefore magnitude of voltage also changes, so, the voltage signal that sensor exports and the gravity linear correlation of self bearing.
PLC control system, can detected pressures sensor export magnitude of voltage, its pressure born can be determined, in design process, with 10Kg weight for trigger condition, as long as body weight is placed in system on pressure sensor more than the object of 10Kg and all can detects, every sleeve pressure sensor assembly is made up of two panels pressure sensor, be installed near highway edge, pressure sensor 1 is fixed on sidewalk near highway edge, pressure sensor 1 is installed on highway edge, close to sidewalk, pedestrian in the process of walking, if first set foot on pressure sensor 1, and then set foot on pressure sensor 2, equally first PLC control system detects the signal of pressure sensor 1, then the signal of pressure sensor 2 is detected, PLC control system can according to acquisition pressure sensor signal order, determine that the direction of travel of this pedestrian is through zebra stripes and walks to road opposite, this signal is supplied to control system, need to light zebra stripes LED light 4 for determining whether, when the order of the pressure sensor signal of PLC control system acquisition is information pressure sensor 2 first being detected, when being then only the signal of pressure sensor 1, prove that this is that pedestrian walks out zebra stripes, walk to direction, sidewalk by road, to this signal, PLC control system can not light zebra stripes LED light 4, this walking direction ability that PLC control system possesses, pedestrian can be determined enter sidewalk or leave sidewalk, anti-locking system is by erroneous trigger.
PLC control system is powered by solar panel, there is A/D transformation function, for gathering pressure sensor 1, the information of 2, and process judgement is carried out to it, according to the neighbouring difference whether having traffic lights, PLC control system is divided into two kinds of duties: one, when there being traffic lights, system in the course of the work, first real-time traffic signal modulating signal is accepted, when the direction that vehicle travels is red light, pedestrian is now allowed to cross street, when pedestrian sets foot on zebra stripes, pressure sensor 1, 2 by the Signal transmissions that detects to control system, zebra stripes LED light is made to send ruddiness, sail to zebra stripes the Warning for vehicle come to note, PLC control system responds according to pressure sensor information, it can arrange according to highway width the transit time that pedestrian crosses zebra stripes, elaboration System Working Principle is carried out below for the transit time of 20 seconds, zebra stripes are set foot on when there being pedestrian, when walking to road opposite, the bright zebra stripes LED light 4 of system point also starts timing, until after estimating that transit time terminates, indicator lamp extinguishes, when indicator lamp is lighted, if there are other pedestrians to set foot on zebra stripes, and now the signal lamp of vehicle heading is still red light, the timing in 20 seconds of last time resets, PLC control system restarts timing, to guarantee that this pedestrian has enough transit times, when pedestrian walks in road process, vehicle heading signal lamp is green by red stain, when no entry, in order to ensure the safety of the pedestrian walked on zebra stripes, zebra stripes LED light 4 is still in illuminating state, although remind vehicle to note now allowing to pass through, due to there is pedestrian on road, should be noted and dodge, when vehicle heading is green light, forbid that pedestrian walks road, if now there is pedestrian to set foot on zebra stripes, PLC controls control system once detect, just phonetic warning system is started, they are two years old, work as pedestrian street, school doorway, when the roads such as access, community do not have traffic lights, PLC control system in the course of the work, only judge according to whether having pedestrian to stand on sidewalk, at respective road segment, sometimes only cross walk is provided with, but do not have corresponding traffic lights to indicate, pedestrian is when going across the road, whether need to observe has vehicle to pass through.Vehicular traffic also should be noted road ahead situation, once not have Timeliness coverage road ahead to have pedestrian, therefore tragedy will occur, for avoiding this type of accident, first whether the present invention monitor pedestrian and to be marched toward zebra stripes by sidewalk roadbed 3, if when pedestrian sets foot on the two panels pressure sensor in zebra stripes region, transducing signal is transported to PLC control system, PLC control system then lights rapidly zebra stripes LED light 4, eye-catching zebra stripes red light more effectively can remind vehicular traffic, note this section, zebra stripes LED light 4 can continue to light one period of regular time, the length of duration can be calculated by the maximum duration on sidewalk by PLC control system statistical analysis pedestrian, when there being many people to continue through zebra stripes, zebra stripes LED light 4 can be in the state that always glows, to the last a pedestrian leaves sidewalk, system is by automatic distinguishing zebra stripes LED light 4, to save electric energy, the work that whole system device moves in circles like this, need not manual operation.
Zebra stripes LED light system, be made up of metal heat sink 13, transparent glass 16, LED lamp panel 14 and waterproofing and airtight adhesive tape 17, metal heat sink 13 material is firm aluminium alloys, transparent glass 16 is the tempered glass that 6mm is thick, to ensure that inner LED still can normal luminous under impact repeatedly and weight, metal heat sink 13 is fixed in the hole of road surface zebra stripes, major part is in hole, sub-fraction exposes road surface, function is to make LED better dispel the heat, and power line 18 is drawn bottom metal heat sink 13; LED lamp panel 14 is arranged on metal heat sink 13, will be added with heat-conducting silicone grease between the two; LED lamp panel 14 is arranged the LED array 15 of some, each array has 48 red LED lamps (for 2 meters of wide sidewalk zebra stripes), when ensureing that LED lights, automobile sees obvious ruddiness outside the safe distance of regulation, waterproofing and airtight adhesive tape 17 is added on metal heat sink 13, coat certain waterproof insulation glue, fix transparent glass 16, after installing, entirety basset on Partial Height be less than 15mm, avoid the traveling of part to automobile of giving prominence to impact.
Phonetic warning system, be made up of Voice command chip 11 and loudspeaker 10, system before operation, according to actual needs, by the voice document recorded as " being red light now; no through traffic " etc., be installed in Voice command chip 11, in practical work process, control system is according to actual conditions, determine whether to need to play voice document, for warning pedestrian.
In the technical program, solar electric power supply system is by non-maintaining, valve controlled colloidal storage battery, solar panel and lamp stand composition, the major function that solar electric power supply system realizes provides electric energy for pedestrian triggers intelligent and safe zebra stripes device automatically, economize on electricity environmental protection, without the need to laying cable, pedestrian's sensing and detecting system is installed on highway edge, by the pressure sensor carried, whether detect has pedestrian to pass through, determine the direction of travel of pedestrian, be convenient to control system decision-making, PLC control system is the control core of package unit, receive the information that pedestrian's sensing and detecting system provides, corresponding judgement is made according to certain control strategy, and control the work of zebra stripes LED light system and phonetic warning system, zebra stripes LED light system and phonetic warning system are the output executing mechanisms of package unit, can require to realize the light on and off of LED and the start and stop of phonetic warning according to control system.
Adopt a kind of solar energy intelligent zebra stripes of the technical program device, not only solar powered saving electric energy, also can normally work at device at night overcast and rainy continuously, improve the efficiency of system, and when night, pedestrian set foot on zebra stripes, zebra stripes LED light will send obvious ruddiness, ensure that the safety of pedestrian, also reminded vehicle drivers to dodge pedestrian as early as possible when sight line is dim or visual angle is blocked simultaneously, reduce accident potential, this device impelled driver by brake and slow down give precedence to pedestrian leading, reduce the probability of people's car conflict, pedestrian has been guided to walk the consciousness of zebra stripes, there is good practical prospect and obvious social agency.