CN102636243A - Highway axle load dynamic data acquisition system and processing method thereof - Google Patents
Highway axle load dynamic data acquisition system and processing method thereof Download PDFInfo
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- CN102636243A CN102636243A CN2012101417821A CN201210141782A CN102636243A CN 102636243 A CN102636243 A CN 102636243A CN 2012101417821 A CN2012101417821 A CN 2012101417821A CN 201210141782 A CN201210141782 A CN 201210141782A CN 102636243 A CN102636243 A CN 102636243A
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Abstract
The invention discloses a highway axle load dynamic data acquisition system and a processing method thereof; the system comprises a piezoelectric film sensor, a temperature sensor, a data acquisition device and a data receiving and processing device; the piezoelectric film sensor and the temperature sensor are arranged on a road surface; the data acquisition device is arranged on the road side; the piezoelectric film sensor and the temperature sensor are connected with the data acquisition device to transmit detected vehicle information and temperature signals to the data acquisition device; the data acquisition device is simultaneously connected with the data receiving and processing device; the signals are transmitted to the data receiving and processing device after pre-processing and analog-to-digital conversion; and the data acquisition device simultaneously receives calibration and time synchronization signals which are transmitted by the data receiving and processing device. According to the system, the highway axle load data can be acquired in all weathers in real time continuously and automatically.
Description
Technical field
The invention belongs to the traffic data collection field, particularly a kind of highway axle carries dynamic data collection system and disposal route thereof.
Background technology
It is a kind of of traffic conditions investigation that axle carries investigation, is in order to predict the destruction of driving road pavement in a certain period, scientifically to formulate the highway maintenance measure, reasonable distribution highway maintenance and transformation funds.At present along with the increasing of overloaded vehicle, consider that merely vehicle can not satisfy the needs of engineering design through quantity, overloaded vehicle is to the actual impact equivalent of the highway equivalent in the design.Therefore, accurately axle is carried out in the design highway section and carry investigation, obtain actual traffic load, the true reflection of ability highway pavement load situation is for highway engineering design provides reliable foundation.
At present traditional axle carries investigation method needs artificial the participation mostly; Promptly adopt portable vehicle weighing instrument and the weighing-appliance that utilizes transfinite measuring station and charge station; These three kinds of modes all need be controlled the speed of a motor vehicle; Promptly need vehicle just can detect the vehicle axle weight data in stationary state or the lower-speed state below the 5km/h, image data needs the manual entry system-computed, inefficiency and wasting time and energy.
Summary of the invention
The technical matters that the present invention solved is to provide a kind of and lays the highway axle simple, with low cost, that precision is high and carry dynamic data collection system and disposal route thereof.
The technical solution that realizes the object of the invention is: a kind of highway axle carries dynamic data collection system; Comprise piezoelectric film sensor, temperature sensor, data collector and Data Receiving and treating apparatus; Said piezoelectric film sensor and temperature sensor all are arranged on the road surface; Data collector is arranged on trackside; This piezoelectric film sensor is connected with data collector with temperature sensor, and detected information of vehicles and temperature signal are transferred to data collector, and this data collector is connected with treating apparatus with Data Receiving simultaneously; Signal is carried out being transferred to Data Receiving and treating apparatus after pre-service and the analog to digital conversion, and data collector receives the calibration and the time synchronizing signal of Data Receiving and treating apparatus transmission simultaneously.
A kind of disposal route of carrying dynamic data collection system based on the highway axle may further comprise the steps:
Step 1, piezoelectric film sensor detect the heavy and heavy signal of car load of the speed of a motor vehicle, axle of vehicular traffic, and temperature sensor detects the temperature signal on road surface, afterwards signal is transferred to data collector;
Step 2, data collector with signal amplify, filtering, impedance matching and analog to digital conversion, be transferred to Data Receiving and treating apparatus with hexadecimal form afterwards; Data collector receives calibration and the time synchronizing signal that Data Receiving and treating apparatus send simultaneously;
Step 3, Data Receiving and treating apparatus are resolved signal, and the sexadecimal signal resolution that receives is become the signal of string format, afterwards with signal storage in data memory module;
Step 4, client terminal carry out query statistic and output to the data in the memory module.
The present invention compared with prior art, its remarkable advantage: 1) this system can be uninterrupted, round-the-clock automatic time gather the highway axle and carry data; Axle tuple certificate when 2) this system can collection vehicle runs at high speed, vehicle need not Reduced Speed Now.
Below in conjunction with accompanying drawing the present invention is described in further detail.
Description of drawings
Fig. 1 is the system architecture synoptic diagram.
Fig. 2 forms synoptic diagram for data collector hardware.
Fig. 3 is that Data Receiving and treating apparatus are formed synoptic diagram.
Embodiment
In conjunction with Fig. 1; A kind of highway axle carries dynamic data collection system; Comprise piezoelectric film sensor, temperature sensor, data collector and Data Receiving and treating apparatus; Said piezoelectric film sensor and temperature sensor all are arranged on the road surface, and data collector is arranged on trackside, and this piezoelectric film sensor is connected with data collector with temperature sensor; Detected information of vehicles and temperature signal are transferred to data collector; This data collector is connected with treating apparatus with Data Receiving simultaneously, and signal is carried out being transferred to Data Receiving and treating apparatus after pre-service and the analog to digital conversion, and data collector receives the calibration and the time synchronizing signal of Data Receiving and treating apparatus transmission simultaneously.
Said piezoelectric film sensor is shaped as elongated strip; Per two sensors are one group and are laid on the track; These two sensors are parallel to each other and are perpendicular with the bearing of trend in track, and the distance between two sensors is 3-10m, specifically can adjust according to actual needs.
In conjunction with Fig. 2, data collector comprises solar-electricity source module, processor module, signal condition module, analog-to-digital conversion module, memory module and communication module; The solar-electricity source module is the power supply of whole data collection device, and the signal condition module is connected with sensor, the simulating signal of receiving sensor transmission; The signal condition module is connected with analog-to-digital conversion module simultaneously; With transferring to analog-to-digital conversion module after sensor signal amplification, filtering, the impedance matching, analog-to-digital conversion module is connected with processor module simultaneously, gives processor module with the digital data transmission after the conversion; This processor module is connected with communication module simultaneously; Through communication module output, processor module also is connected with memory module, and digitized sensor signal is stored to memory module with the data after handling.
Said solar-electricity source module comprises solar panel and accumulator; Wherein solar panel is arranged on the column, and accumulator is imbedded in the ground, and said column is hollow column; Set inside distribution cable, solar panel links to each other with accumulator through the distribution cable.
In conjunction with Fig. 3; Said Data Receiving and treating apparatus comprise data reception module, data parsing processing module, data memory module and client terminal; The signal that said data reception module reception data collector sends also is transferred to coupled data parsing processing module with this signal; Said data parsing processing module is carried out dissection process to data and is kept in the data memory module, and this data memory module is connected with client terminal, and client terminal carries out query statistic to data.
Be connected through wireless or wired mode between data collector and Data Receiving and the treating apparatus.The model of said piezoelectric film sensor is 3-384325-0-120.
A kind of disposal route of carrying dynamic data collection system based on the highway axle may further comprise the steps:
Step 1, piezoelectric film sensor detect the heavy and heavy signal of car load of the speed of a motor vehicle, axle of vehicular traffic, and temperature sensor detects the temperature signal on road surface, afterwards signal is transferred to data collector;
Step 2, data collector with signal amplify, filtering, impedance matching and analog to digital conversion, be transferred to Data Receiving and treating apparatus with hexadecimal form afterwards; Data collector receives calibration and the time synchronizing signal that Data Receiving and treating apparatus send simultaneously;
Step 3, Data Receiving and treating apparatus are resolved signal, and the sexadecimal signal resolution that receives is become the signal of string format, afterwards with signal storage in data memory module;
Step 4, client terminal carry out query statistic and output to the data in the memory module.
Below in conjunction with embodiment the present invention is done further detailed description:
Lay 2 pairs of piezoelectric film sensors respectively in certain 2 track, highway section, every pair of spacing is 5 meters, and places a temperature sensor.Specifically describe for example according to following process:
Step 1, piezoelectric film sensor detect the heavy and heavy signal of car load of the speed of a motor vehicle, axle of vehicular traffic, and temperature sensor detects the temperature signal on road surface, afterwards signal is transferred to data collector;
Step 2, data collector with signal amplify, filtering, impedance matching and analog to digital conversion, be transferred to Data Receiving and treating apparatus with hexadecimal form afterwards; Data collector receives calibration and the time synchronizing signal that Data Receiving and treating apparatus send simultaneously;
Step 3, Data Receiving and treating apparatus are resolved signal, and the sexadecimal signal resolution that receives is become the signal of string format, afterwards with signal storage in data memory module;
Step 4, client terminal carry out query statistic and output to the data in the memory module.
Data can be carried by uninterrupted, round-the-clock automatic time collection highway axle in this system; Axle tuple certificate when can collection vehicle running at high speed, vehicle need not Reduced Speed Now.
Claims (8)
1. a highway axle carries dynamic data collection system; It is characterized in that; Comprise piezoelectric film sensor, temperature sensor, data collector and Data Receiving and treating apparatus; Said piezoelectric film sensor and temperature sensor all are arranged on the road surface, and data collector is arranged on trackside, and this piezoelectric film sensor is connected with data collector with temperature sensor; Detected information of vehicles and temperature signal are transferred to data collector; This data collector is connected with treating apparatus with Data Receiving simultaneously, and signal is carried out being transferred to Data Receiving and treating apparatus after pre-service and the analog to digital conversion, and data collector receives the calibration and the time synchronizing signal of Data Receiving and treating apparatus transmission simultaneously.
2. highway axle according to claim 1 carries dynamic data collection system; It is characterized in that; Said piezoelectric film sensor is shaped as elongated strip; Per two sensors are one group and are laid on the track that these two sensors are parallel to each other and are perpendicular with the bearing of trend in track, and the distance between two sensors is 3-10m.
3. highway axle according to claim 1 carries dynamic data collection system, it is characterized in that, data collector comprises solar-electricity source module, processor module, signal condition module, analog-to-digital conversion module, memory module and communication module; The solar-electricity source module is the power supply of whole data collection device, and the signal condition module is connected with sensor, the simulating signal of receiving sensor transmission; The signal condition module is connected with analog-to-digital conversion module simultaneously; With transferring to analog-to-digital conversion module after sensor signal amplification, filtering, the impedance matching, analog-to-digital conversion module is connected with processor module simultaneously, gives processor module with the digital data transmission after the conversion; This processor module is connected with communication module simultaneously; Through communication module output, processor module also is connected with memory module, and digitized sensor signal is stored to memory module with the data after handling.
4. highway axle according to claim 3 carries dynamic data collection system; It is characterized in that said solar-electricity source module comprises solar panel and accumulator, wherein solar panel is arranged on the column; Accumulator is imbedded in the ground; Said column is hollow column, set inside distribution cable, and solar panel links to each other with accumulator through the distribution cable.
5. highway axle according to claim 1 carries dynamic data collection system; It is characterized in that; Said Data Receiving and treating apparatus comprise data reception module, data parsing processing module, data memory module and client terminal; The signal that said data reception module reception data collector sends also is transferred to coupled data parsing processing module with this signal; Said data parsing processing module is carried out dissection process to data and is kept in the data memory module, and this data memory module is connected with client terminal, and client terminal carries out query statistic to data.
6. highway axle according to claim 1 carries dynamic data collection system, it is characterized in that, is connected through wireless or wired mode between data collector and Data Receiving and the treating apparatus.
7. highway axle according to claim 1 carries dynamic data collection system, it is characterized in that, the model of said piezoelectric film sensor is 3-384325-0-120.
8. a disposal route of carrying dynamic data collection system based on the said highway axle of claim 1 is characterized in that, may further comprise the steps:
Step 1, piezoelectric film sensor detect the heavy and heavy signal of car load of the speed of a motor vehicle, axle of vehicular traffic, and temperature sensor detects the temperature signal on road surface, afterwards signal is transferred to data collector;
Step 2, data collector with signal amplify, filtering, impedance matching and analog to digital conversion, be transferred to Data Receiving and treating apparatus with hexadecimal form afterwards; Data collector receives calibration and the time synchronizing signal that Data Receiving and treating apparatus send simultaneously;
Step 3, Data Receiving and treating apparatus are resolved signal, and the sexadecimal signal resolution that receives is become the signal of string format, afterwards with signal storage in data memory module;
Step 4, client terminal carry out query statistic and output to the data in the memory module.
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| CN2012101417821A CN102636243A (en) | 2012-05-08 | 2012-05-08 | Highway axle load dynamic data acquisition system and processing method thereof |
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| CN2012101417821A CN102636243A (en) | 2012-05-08 | 2012-05-08 | Highway axle load dynamic data acquisition system and processing method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501929A (en) * | 2014-11-28 | 2015-04-08 | 国家电网公司 | Vehicle strain weighing system |
| CN106652481A (en) * | 2017-01-05 | 2017-05-10 | 武汉市政工程设计研究院有限责任公司 | Remote self-powered traffic flow automatic detection device, system and method |
| CN106644007A (en) * | 2016-08-30 | 2017-05-10 | 辉因科技(北京)有限公司 | Diagonal axis type dynamic weight measurement system and diagonal axis type dynamic weight measurement method |
| CN109297575A (en) * | 2018-09-27 | 2019-02-01 | 招商局重庆交通科研设计院有限公司 | A kind of vehicle dynamic weighing system of piezoelectric type |
| CN109341830A (en) * | 2018-11-06 | 2019-02-15 | 杭州钱江称重技术有限公司 | High-speed radio dynamic weighing sensing system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501929A (en) * | 2014-11-28 | 2015-04-08 | 国家电网公司 | Vehicle strain weighing system |
| CN104501929B (en) * | 2014-11-28 | 2018-08-28 | 国家电网公司 | Vehicle strains weighing system |
| CN106644007A (en) * | 2016-08-30 | 2017-05-10 | 辉因科技(北京)有限公司 | Diagonal axis type dynamic weight measurement system and diagonal axis type dynamic weight measurement method |
| CN106652481A (en) * | 2017-01-05 | 2017-05-10 | 武汉市政工程设计研究院有限责任公司 | Remote self-powered traffic flow automatic detection device, system and method |
| CN109297575A (en) * | 2018-09-27 | 2019-02-01 | 招商局重庆交通科研设计院有限公司 | A kind of vehicle dynamic weighing system of piezoelectric type |
| CN109341830A (en) * | 2018-11-06 | 2019-02-15 | 杭州钱江称重技术有限公司 | High-speed radio dynamic weighing sensing system |
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Application publication date: 20120815 |