CN102722993A - Highway severe weather monitoring system based on wireless sensing network - Google Patents
Highway severe weather monitoring system based on wireless sensing network Download PDFInfo
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- CN102722993A CN102722993A CN2012101774513A CN201210177451A CN102722993A CN 102722993 A CN102722993 A CN 102722993A CN 2012101774513 A CN2012101774513 A CN 2012101774513A CN 201210177451 A CN201210177451 A CN 201210177451A CN 102722993 A CN102722993 A CN 102722993A
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Abstract
The invention provides a highway severe weather monitoring system based on a wireless sensing network. The highway severe weather monitoring system comprises a plurality of environment monitoring devices and vehicle mounted devices, wherein the environment monitoring devices are placed on a highway according to a certain distance, and the vehicle mounted devices are configured in each automobile; the environment monitoring devices are used for transmitting monitored highway severe weather status information to the vehicle mounted devices by a wireless sensing network protocol; and the vehicle mounted devices are used for reporting an accurate position of the received information to automobile drivers through maps of GPS vehicle mounted navigators for drivers to master the weather status of a road section. By using the monitoring system provided by the invention, the severe weathers of the highway can be monitored in real time and the information is informed to the drivers in advance, so that the drivers can intuitively master the weather status of the road section so as to prevent traffic accidents.
Description
Technical field
The present invention relates to a kind of information monitoring system, more particularly, relate to a kind of based on radio sensing network, the information monitoring system that the inclement weather on the highway is monitored in real time.
Background technology
Along with the highway coverage of China is more and more wider, the traffic problems that caused by severe weather conditions (" group's mist ", icy on road, high temperature etc.) also emerge in an endless stream.Especially, " group's mist ", icy on road, high temperature can be rated as weather conditions the most dangerous on the highway.
" group's mist " also is mist in essence, is the influence that receives some areas micro climate environment, and tens of rice is in up to a hundred meters subrange in " group's mist ", and the fog of appearance is " dense ", mist that visibility is lower more.Because itself is not to mate very much with large-scale atmospheric environment, " group's mist " can not only usually appear in foggy weather, under the good situation of weather conditions, might come across remote mountain area or rural area.Because " group's mist " prediction is difficult, regionality is very strong, vehicle is difficult to obtain in advance notice or caution, often causes to sail into to have little time in " group's mist " zone to slow down at all, usually leads to major traffic accidents.
The safety that also very influences highway icy on road, it has prediction difficulty, regional very strong characteristics equally, and vehicle is difficult to obtain in advance notice or caution, usually leads to major traffic accidents.
For the high temperature highway section, pavement temperature can add that vehicle on expressway runs at high speed up to 30 to 40 degree, and the temperature of friction cause vehicles tire tread is paramount not low, if the high temperature that goes is for a long time very easily blown out, causes the generation of traffic hazard.
Retrieval through to prior art is found; The Chinese patent name is called " a kind of dense fog ice and snow weather anti-many cars shunt into one another system "; Notification number is CN 201941764U; This patent proposes the anti-many cars of a kind of dense fog ice and snow weather system that shunts into one another, and this system includes the proximity-warning device that is installed on the automobile, communication network and communication network facility.This system can be under dense fog low visibility or the abominable road conditions of ice and snow, after traffic hazard takes place, to other vehicles issue accident informations, prevent many cars accident that shunts into one another through the wireless network communication base station.The deficiency of this system is: can't monitor in real time severe weather conditions (" group's mist ", icy on road, high temperature etc.), and can only after traffic hazard takes place, could issue early warning information to vehicle; This communication base station relies on the paying network in addition.
Retrieval through to prior art is found; The Chinese patent name is called " highway climate monitoring and warning system "; Publication number is CN 1412576A, and this patent proposes a kind of climate monitoring and warning system, and this system comprises several sensing devices, central monitor, several acoustic-optic alarms.This system can influence sight line, in the time of possibly causing the weather of driving accident to occur, through sound and light alarm the driver reminded dense fog or rain, snow etc. occurring.The deficiency of this system is: can't monitor severe weather conditions such as icy on road, high temperature; Very high to the sensor performance requirement, and power consumption is big; Can only understand the information in current highway section, can't let the driver grasp more road section information in advance, can't carry out adequate preparation; Therefore in addition because this equipment does not contain car-mounted device, when relatively poor and automobile driving speed was very fast when environmental aspect, the efficient reduction of sound and light alarm caused the driver can't in time obtain information warning.
In a word, highway weather monitoring system in the past exists such or such deficiency, and some aspect is needed badly and improved or improve.
Summary of the invention
The present invention is directed to the technical matters that exists in the above-mentioned prior art; A kind of highway bad weather watch system based on radio sensing network is provided; High to solve existing highway weather monitoring system cost, power consumption is high, can't carry out comprehensive monitoring to " group's mist ", icy on road, high temperature etc.; Can't obtain more highway section weather conditions information in advance, and rely on problems such as paying network.
For achieving the above object, the technical scheme that the present invention adopted is following:
A kind of highway bad weather watch system based on radio sensing network comprises car-mounted device and environment monitoring device.Through on highway, arranging a plurality of environment monitoring devices by suitable distance; And in each automobile the configuration car-mounted device; Environment monitoring device is given said car-mounted device with the highway severe weather conditions information that monitors through the radio sensing network protocol transmission; Realize the boisterous real-time monitoring of highway; And, make the driver can intuitively grasp the weather conditions in highway section through map and audio alert unit prior notice driver in the car-mounted device, prevent traffic accident.
Said radio sensing network agreement adopts the ZigBee agreement of low cost, low-power consumption, MANET.
Said car-mounted device comprises GPS automatic navigator, radio sensing network node, audio alert unit, power supply.The GPS automatic navigator is used for automobile position is carried out the status, has contained the residing position of environment monitoring device in its map.
Said radio sensing network node is integrated microcontroller and rf receiver and transmitter.Microcontroller is used to realize the control of total system, and it is connected with GPS automatic navigator, audio alert unit, power supply.Rf receiver and transmitter is used for communicating with environment monitoring device, receives severe weather conditions information.After the audio alert unit is used to receive severe weather conditions information, the driver is carried out voice suggestion.Power supply is used for total system is supplied power.
Said environment monitoring device comprises solar energy photovoltaic panel, accumulator, super-charge super-discharge protected location, radio sensing network node, relevant sensor assembly (comprising temperature, humidity).Solar energy photovoltaic panel is used for converting sun power to electric energy, and with power storage in accumulator, for the entire environment monitoring device is supplied power.Accumulator is used to store the electric energy of solar photovoltaic panel conversion, so that be the power supply of entire environment monitoring device.The super-charge super-discharge protected location is used to control charging and discharging of accumulator, and when battery tension surpassed high threshold, the disconnection solar energy photovoltaic panel was connected with accumulator.When battery tension is lower than a certain threshold value, get into dormant state through the software control sensor.Said sensor assembly is used to measure weather conditions.
Said radio sensing network node is integrated microcontroller, rf receiver and transmitter, analog-to-digital conversion module.Microcontroller is used to realize the control of entire environment monitoring device, and it connects with solar energy photovoltaic panel, accumulator, super-charge super-discharge protected location, relevant sensor assembly (comprising temperature, humidity).Rf receiver and transmitter is used for communicating by letter with other environment monitoring device and car-mounted device.Analog-to-digital conversion module is used to monitor the voltage of accumulator, so that carry out the judgement of super-charge super-discharge.Analog-to-digital conversion module also is used to monitor the output voltage of solar energy photovoltaic panel, to carry out asking for of illuminance, so that carry out boisterous auxiliary judgment.
Said sensor assembly (comprising temperature, humidity) adopts the SHT series digit Temperature Humidity Sensor of Sensirion company, and scope and precision can be matched as required.
With respect to prior art, the invention has the beneficial effects as follows:
1, can monitor highway severe weather conditions such as " group's mist ", icy on road, high temperature in real time.
2, can the position, highway section of severe weather conditions occur through the demonstration of car-mounted device map, and be attended by the audio alert prompting, make the driver can grasp more highway section weather conditions information in advance.
3, adopt the communication protocol ZigBee of low-power consumption, low cost, MANET, greatly reduce system power dissipation, and do not rely on the paying network.
4, environment monitoring device adopts solar poweredly, and himself have characteristics such as simple in structure, easy to use, low-power consumption, low cost, so environment monitoring device has very strong flying power and practicality.
Description of drawings
Fig. 1 is an embodiment of the invention Organization Chart;
Fig. 2 is an environment monitoring device structured flowchart in the embodiment of the invention;
Fig. 3 is a car-mounted device structured flowchart in the embodiment of the invention;
Fig. 4 is audio alert element circuit figure of the present invention;
Fig. 5 is sensor CC figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment technical scheme of the present invention is described:
Fig. 1 is a kind of embodiment Organization Chart of highway bad weather watch system that the present invention is based on radio sensing network.It comprises environment monitoring device 1, car-mounted device 2.Through on highway, arranging a plurality of environment monitoring devices 1 by suitable distance; And in each automobile the configuration car-mounted device 2; Realize the boisterous real-time monitoring of highway; And, make the driver can intuitively grasp the weather conditions in highway section through map and audio alert unit prior notice driver in the car-mounted device 2, prevent traffic accident.
Car-mounted device 2 is used for vehicle location, and receives the information that comes from environment monitoring device 1 through radio sensing network agreement ZigBee.The position of having contained each environment monitoring device 1 in the map of car-mounted device 2, car-mounted device 2 shows accurate location with the severe weather conditions that receives through map, and is attended by the audio alert prompting.
Fig. 2 is the environment monitoring device structured flowchart that the present invention is based on the highway bad weather watch system of radio sensing network.It comprises solar energy photovoltaic panel 3, accumulator 4, super-charge super-discharge holding circuit 5, radio sensing network node 6, digital temperature-humidity sensor 10.
Solar energy photovoltaic panel 3 is used for converting sun power to electric energy, and with power storage in accumulator 4, for entire environment monitoring device 1 is supplied power.
Accumulator 4 is used to store the electric energy of solar photovoltaic panel 3 conversions, so that be 1 power supply of entire environment monitoring device.
Super-charge super-discharge holding circuit 5 preferentially adopts relay, is used to control the charging of accumulator 4.When accumulator 4 voltages surpass high threshold, break off being connected of solar energy photovoltaic panel 3 and accumulator 4 through relay.When accumulator 4 voltages are lower than a certain threshold value, get into dormant state in addition, reduce system power dissipation through software control digital temperature-humidity sensor 10.
The CC2430 chip based on home control network communication protocol ZigBee of radio sensing network node 6 preferred Texas Instruments, it is integrated microcontroller 7, rf receiver and transmitter 8, analog-to-digital conversion module 9.
Rf receiver and transmitter 8 is used for when monitoring severe weather conditions, communicating by letter with other environment monitoring device 1 and car-mounted device 2.
Analog-to-digital conversion module 9 is used to monitor the voltage of accumulator 4, so that carry out the judgement of super-charge super-discharge.Analog-to-digital conversion module 9 also is used to monitor the output voltage of solar energy photovoltaic panel 3, to carry out asking for of illuminance, so that carry out boisterous auxiliary judgment.
Digital temperature-humidity sensor 10 adopts the SHT series digit Temperature Humidity Sensor of Sensirion company, preferred SHT10 chip.This digital transducer moisture measurement scope: 0～100%RH; Temperature measurement range :-40～+ 123.8 ℃; Moisture measurement precision: ± 4.5%RH; Temperature measurement accuracy: ± 0.5 ℃.Be used for " haze " monitoring, the icing monitoring in ground, high temperature monitoring with at least one digital temperature-humidity sensor 10 of ground configuration aloft respectively.The circuit connection diagram of this digital temperature-humidity sensor 10 is as shown in Figure 5.
Said " haze " monitoring is provided with suitable temperature threshold, humidity threshold value according to actual environment, and when the temperature and the humidity of monitoring reaches threshold value, and illuminance is promptly judged to monitor " haze " when also reaching threshold value.
Said ground freezes and monitors, and the output that is placed on the digital temperature-humidity sensor 10 on ground according to monitoring is judged.The humidity threshold value is provided with according to actual environment, and temperature threshold is set to 0 ℃.When the sensor information that obtains reaches threshold value, think that promptly monitoring ground freezes.
Said high temperature monitoring adopts digital temperature-humidity sensor 10 to carry out temperature monitoring.
When environment monitoring device 1 monitors severe weather conditions, just information is broadcasted, so that other environment monitoring device 1 can receive this information with car-mounted device 2.
Fig. 3 is the car-mounted device structured flowchart that the present invention is based on the highway bad weather watch system of radio sensing network.It comprises GPS automatic navigator 11, radio sensing network node 6, audio alert unit 12, power supply 13.
GPS automatic navigator 11 is used for automobile position is carried out the status, has contained environment monitoring device 1 residing position in its map.
The CC2430 chip based on home control network communication protocol ZigBee of radio sensing network node 6 preferred Texas Instruments, it is integrated microcontroller 7 and rf receiver and transmitter 8.
Rf receiver and transmitter 8 is used for communicating with environment monitoring device 1, receives severe weather conditions information.
The ISD4004 chip of audio alert unit 12 preferred Hua Bang companies after this chip is used to receive severe weather conditions information, carries out voice suggestion to the driver.The circuit connection diagram of this audio alert unit 12 is as shown in Figure 4.
Car-mounted device 2 is used to carry out vehicle location, and receives the information that comes from environment monitoring device 1.Car-mounted device 2 shows accurate location with the severe weather conditions that receives through map, and is attended by the audio alert prompting.
The foregoing description is interpreted as only being used to the present invention is described and is not used in restriction protection scope of the present invention.After the content of having read the present invention's record, those skilled in the art can do various changes or modification to the present invention, and these equivalences change and modify and fall into claim of the present invention institute restricted portion equally.
Claims (9)
1. highway bad weather watch system based on radio sensing network; It is characterized in that; Said system is included in a plurality of environment monitoring devices of arranging according to certain distance on the highway and the car-mounted device that in each automobile, disposes; Said environment monitoring device is given said car-mounted device with the highway severe weather conditions information that monitors through the radio sensing network protocol transmission; Said car-mounted device reports to the definite position of this information of driver with the information that receives through the map of GPS automatic navigator, to grasp the weather conditions in highway section.
2. the highway bad weather watch system based on radio sensing network according to claim 1 is characterized in that, said radio sensing network agreement adopts the ZigBee agreement of low cost, low-power consumption, MANET.
3. the highway bad weather watch system based on radio sensing network according to claim 1; It is characterized in that; Said car-mounted device is to be made up of GPS automatic navigator, radio sensing network node, audio alert unit and power supply; Said radio sensing network node receives information, through the map display message on the GPS automatic navigator, and carries out voice suggestion through the audio alert unit.
4. the highway bad weather watch system based on radio sensing network according to claim 3; It is characterized in that; Said radio sensing network node is integrated microcontroller and rf receiver and transmitter; Said microcontroller is connected with GPS automatic navigator, audio alert unit, power supply, is used to realize the control of whole car-mounted device; Said rf receiver and transmitter is used for communicating with environment monitoring device, receives severe weather conditions information.
5. the highway bad weather watch system based on radio sensing network according to claim 1; It is characterized in that said environment monitoring device is made up of solar energy photovoltaic panel, accumulator, super-charge super-discharge protected location, radio sensing network node, sensor assembly; Wherein, said solar energy photovoltaic panel is used for converting sun power to electric energy, and with power storage in accumulator, for the entire environment monitoring device is supplied power; Said super-charge super-discharge holding circuit is used to control charging and discharging of accumulator, and said sensor assembly is used to measure weather conditions.
6. the highway bad weather watch system based on radio sensing network according to claim 5 is characterized in that, said super-charge super-discharge holding circuit adopts relay control charging and discharging of accumulator.
7. the highway bad weather watch system based on radio sensing network according to claim 5 is characterized in that said sensor assembly is the digital temperature-humidity sensor module.
8. the highway bad weather watch system based on radio sensing network according to claim 7; It is characterized in that; Said monitoring system contains two Temperature Humidity Sensors at least; Be respectively applied for the humiture that detects aerial and ground, to judge that " group's mist ", ground freeze, the inclement weather of high temperature.
9. the highway bad weather watch system based on radio sensing network according to claim 5 is characterized in that, said radio sensing network node is integrated microcontroller, rf receiver and transmitter and analog-to-digital conversion module; Said microcontroller is used to realize the control of entire environment monitoring device, and it is connected with solar energy photovoltaic panel, accumulator, overcharge protection circuit, sensor assembly; Said rf receiver and transmitter is used for when monitoring severe weather conditions, communicating by letter with other environment monitoring device and car-mounted device; Said analog-to-digital conversion module is used to monitor the voltage of accumulator, so that carry out the judgement of super-charge super-discharge, also is used to monitor the output voltage of solar energy photovoltaic panel, to carry out asking for of illuminance, so that carry out boisterous auxiliary judgment.
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| CN103267541A (en) * | 2013-04-27 | 2013-08-28 | 宋涛 | Temperature-and-humidity induction alarm device for high-speed roads and high-speed bridges |
| CN103730018A (en) * | 2012-10-11 | 2014-04-16 | 龙伟 | Road disaster real-time early warning system |
| CN105336205A (en) * | 2015-10-26 | 2016-02-17 | 苏州市职业大学 | Road rainy-foggy day alarming system |
| CN105741576A (en) * | 2016-03-25 | 2016-07-06 | 同济大学 | Rainfall-considered bituminous pavement icing early-warning system and method |
| CN105741697A (en) * | 2016-04-26 | 2016-07-06 | 江苏理工学院 | Intelligent traffic sign board |
| CN109493628A (en) * | 2018-12-04 | 2019-03-19 | 四川理工学院 | A kind of clandestine network system for highway condition monitoring |
| CN109764913A (en) * | 2019-02-22 | 2019-05-17 | 昆明大蚯蚓科技有限公司 | Pavement conditions detection device and method |
| CN109842638A (en) * | 2017-11-24 | 2019-06-04 | 卓望数码技术（深圳）有限公司 | A kind of method and system for realizing mobile communication base station monitoring environment |
| CN110499732A (en) * | 2018-05-18 | 2019-11-26 | 郑州宇通重工有限公司 | It is a kind of prevention keep a public place clean vehicle low temperature icing control method and control system |
| CN110530417A (en) * | 2019-02-22 | 2019-12-03 | 昆明大蚯蚓科技有限公司 | Detecting and controlling system and method, detection control apparatus |
| CN110866593A (en) * | 2019-11-05 | 2020-03-06 | 西南交通大学 | Highway severe weather identification method based on artificial intelligence |
| CN111882903A (en) * | 2020-07-14 | 2020-11-03 | 福建工程学院 | Vehicle-mounted terminal real-time weather early warning method based on block chain |
| CN112286092A (en) * | 2020-10-14 | 2021-01-29 | 南通大学 | Expressway network environment monitoring and weather forecast information transceiver |
| CN114954233A (en) * | 2022-06-08 | 2022-08-30 | 中国第一汽车股份有限公司 | System and device for carrying out automatic early warning of vehicle based on weather and position detection and vehicle |
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Cited By (16)
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| CN103730018A (en) * | 2012-10-11 | 2014-04-16 | 龙伟 | Road disaster real-time early warning system |
| CN102968904A (en) * | 2012-12-18 | 2013-03-13 | 江南大学 | Expressway agglomerate fog pre-warning system |
| CN103267541A (en) * | 2013-04-27 | 2013-08-28 | 宋涛 | Temperature-and-humidity induction alarm device for high-speed roads and high-speed bridges |
| CN105336205A (en) * | 2015-10-26 | 2016-02-17 | 苏州市职业大学 | Road rainy-foggy day alarming system |
| CN105741576A (en) * | 2016-03-25 | 2016-07-06 | 同济大学 | Rainfall-considered bituminous pavement icing early-warning system and method |
| CN105741697A (en) * | 2016-04-26 | 2016-07-06 | 江苏理工学院 | Intelligent traffic sign board |
| CN109842638A (en) * | 2017-11-24 | 2019-06-04 | 卓望数码技术（深圳）有限公司 | A kind of method and system for realizing mobile communication base station monitoring environment |
| CN110499732A (en) * | 2018-05-18 | 2019-11-26 | 郑州宇通重工有限公司 | It is a kind of prevention keep a public place clean vehicle low temperature icing control method and control system |
| CN109493628A (en) * | 2018-12-04 | 2019-03-19 | 四川理工学院 | A kind of clandestine network system for highway condition monitoring |
| CN109764913A (en) * | 2019-02-22 | 2019-05-17 | 昆明大蚯蚓科技有限公司 | Pavement conditions detection device and method |
| CN110530417A (en) * | 2019-02-22 | 2019-12-03 | 昆明大蚯蚓科技有限公司 | Detecting and controlling system and method, detection control apparatus |
| CN110866593A (en) * | 2019-11-05 | 2020-03-06 | 西南交通大学 | Highway severe weather identification method based on artificial intelligence |
| CN110866593B (en) * | 2019-11-05 | 2022-09-23 | 西南交通大学 | Highway severe weather identification method based on artificial intelligence |
| CN111882903A (en) * | 2020-07-14 | 2020-11-03 | 福建工程学院 | Vehicle-mounted terminal real-time weather early warning method based on block chain |
| CN112286092A (en) * | 2020-10-14 | 2021-01-29 | 南通大学 | Expressway network environment monitoring and weather forecast information transceiver |
| CN114954233A (en) * | 2022-06-08 | 2022-08-30 | 中国第一汽车股份有限公司 | System and device for carrying out automatic early warning of vehicle based on weather and position detection and vehicle |
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