CN103245760B - System and method for quickly finding influence of automotive vehicles on atmospheric environment by using RFID (Radio Frequency Identification) technology - Google Patents
System and method for quickly finding influence of automotive vehicles on atmospheric environment by using RFID (Radio Frequency Identification) technology Download PDFInfo
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Abstract
The invention relates to a system and a method for quickly finding influence of automotive vehicles on the atmospheric environment by using an RFID (Radio Frequency Identification) technology. The system is composed of a data processing module, a sampling control module, a PM2.5 processing module, a wind speed and direction sensor, a vehicle road occupying time processing module, an atmosphere sampling module and an RFID read-write terminal. In a certain sampling period, PM2.5 in the atmosphere, the wind speed, the wind direction and automotive entrance and exit conditions in a detected area are sampled, the sampling results are integrated and analyzed, a relation curve of an automotive operating state and the atmosphere pollution degree is displayed in a diagram or a table, an alarm is given out when the air pollution exceeds a preset pollution index level threshold, and at the same time various current factor values are modelled. By adopting the scheme of the system and the method, the actual influence of the automotive exhaust, the wind direction and the wind speed on the atmospheric environment pollution degree can be described quantitatively, so as to facilitate a decision maker to take targeted measures to treat the pollution.
Description
Technical field
The invention belongs to technical field of environmental science, be specifically related to a kind of RFID technique that utilizes and find the system and method for motor vehicle to atmosphere environment impact fast.
Background technology
Along with rapid economic development, city size constantly expands, and population constantly gathers to city, and the waste gas that production, life, trip process produce rolls up, and causes the air pollution in city to aggravate.How to determine that the actual influence degree of various pollution source to atmospheric environment is the foundation that decision maker takes corresponding measure.Cause the factor of atmospheric environment severe contamination to be many-sided, people are cause the principal element of atmospheric pollution severe overweight to be built consensus to the tail gas that motor vehicle produces.
Obtaining the actual levels of pollution of tail gas to atmospheric environment of vehicular emission, with regard to needing, the travel conditions of motor vehicle being detected in real time.Existing motor vehicle detecting technology many employings loop vehicle detector (feel with being also called, mostly be embedded type detection system).Ring coil detector is traditional traffic detector, is a kind of checkout equipment that consumption is maximum in the world at present.But this method coil is in installation or must destroy road surface when safeguarding, shorten Road Service Life, work progress also can cause traffic congestion, especially in the crossroad having signal to control, when vehicle launch or braking, coil damage may be more serious.And although the video detection technology being applied to technical field of transportation in the last few years can overcome the deficiency of some ring coil detector, but because the impact by weather and environment is larger, when On The Deterioration of Visibility Over, the accuracy detected in real time effectively can not be ensured.
Patent documentation CN " 102095830A " discloses one " the motor-vehicle tail-gas remote sensing monitoring device based on RFID ", and this device discloses a kind of motor-vehicle tail-gas remote sensing monitoring device comprising control center and at least a set of remote sensing monitoring line component based on active RFID light source launching assembly.This technical scheme applies RFID detection technique, can reflect the emission behaviour of motor-vehicle tail-gas in real time, the discharge capacity of the tail gas of remote detection motor vehicle own when motor vehicle normally travels.But do not carry out real time correlation with the current state of atmospheric pollution, we cannot get information about the tail gas of the current operational process generation of automobile to the degree of atmospheric environment actual influence, cannot accurately by effectively supervising Vehicular behavior the degree of the actual pollution of air.
Summary of the invention
To be solved by this invention be analysis and investigation car running process produce tail gas to the degree of atmospheric environment actual influence, propose and utilize a kind of RFID technique to find the system of motor vehicle to atmosphere environment impact fast.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
Utilize RFID technique to find the system of motor vehicle to atmosphere environment impact fast, comprising:
RFID read-write terminal, is arranged at the entrance and exit place in tested section, detects in real time to the carrying out of sailing vehicle and outgoing vehicles into, reads the electronic labeling information be arranged on vehicle;
Atmospheric sampling module, is arranged at described tested section place, gathers the atmospheric samples in described tested road section scope;
Vehicle takies road time-triggered protocol module, receives the electronic labeling information that described RFID read-write terminal sends, and obtains it by described tested section time t used for the vehicle with same electronic labeling information
ci, wherein i represents it is the i-th chassis by this region, for integer and i>=1, and obtains all vehicles by described tested section in sampling period T and takies road T.T. t
c=Σ t
ci;
PM2.5 processing module, receives the once atmospheric samples that arrives of described atmospheric sampling module acquires every sampling period T, obtains PM2.5 content QP in described atmospheric samples
j;
Wind speed wind direction sensor, obtains once current wind speed F every sampling period T
swith current wind direction F
x;
Sampling control module, controls described vehicle and takies road time-triggered protocol module, described PM2.5 processing module and described wind speed wind direction sensor and start simultaneously;
Data processing module, receive described vehicle take road time-triggered protocol module send vehicle take road T.T. t
c, and the PM2.5 content QP that described PM2.5 processing module sends
j, the current wind speed F that sends of described wind speed wind direction sensor
swith current wind direction F
x; Obtain described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve also exports.
Described electronic labeling information at least comprises license plate number further, information reads the moment.
Described data processing module comprises further:
Data Integration unit, receive described vehicle take road time-triggered protocol module send vehicle take road T.T. t
c, and the PM2.5 content QP that described PM2.5 processing module sends
j, the current wind speed F that sends of described wind speed wind direction sensor
swith current wind direction F
x; Obtain described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve;
Data display unit, receives described Data Integration unit and sends described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve also shows.
Described data processing module also comprises further:
Storage unit, stores PM2.5 content alarm threshold value;
Comparing unit, the PM2.5 content QP that more described PM2.5 sampling processing module sends
jwith described PM2.5 content alarm threshold value;
Alarm unit, receives the comparative result of described comparing unit, as described PM2.5 content QP
jexceed described PM2.5 content alarm threshold value alarm.
Utilize RFID technique to find the method for motor vehicle to atmosphere environment impact fast further, comprise the steps:
S1:RFID read-write terminal, in real time to sailing vehicle into and outgoing vehicles detects, reads the electronic labeling information be arranged on vehicle; Atmospheric samples in tested road section scope described in atmospheric sampling module acquires;
S2: sampling control module control vehicle takies road time-triggered protocol module and described PM2.5 processing module and wind speed wind direction sensor and starts simultaneously;
Described vehicle takies road time-triggered protocol module and receives the number plate information that described RFID read-write terminal sends, and the vehicle for same electronic tag obtains it by described tested section time t used
ci, wherein i represents it is the i-th chassis by this region, for integer and i>=1, and obtains all vehicles by described tested section in sampling period T and takies road T.T. t
c=Σ t
ci;
Described PM2.5 processing module, receives the once atmospheric samples that arrives of described atmospheric sampling module acquires every sampling period T, obtains PM2.5 content QP in described atmospheric samples
j;
Wind speed wind direction sensor, obtains once current wind speed F every sampling period T
swith current wind direction F
x;
S3: data processing module, receive described vehicle take road time-triggered protocol module send vehicle take road T.T. t
c, and the PM2.5 content QP that described PM2.5 processing module sends
j, the current wind speed F that sends of described wind speed wind direction sensor
swith current wind direction F
x; Obtain described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve also exports.
Also comprise in described step S3 further:
Data Integration unit receive described vehicle take road time-triggered protocol module send vehicle take road T.T. t
c, and the PM2.5 content QP that described PM2.5 processing module sends
j, described wind speed wind direction sensor, the current wind speed F of transmission
swith current wind direction F
x;obtain described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve;
Data display unit, the described vehicle receiving the transmission of described Data Integration unit takies road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve also shows.
Described step S3 also comprises further:
The PM2.5 content QP that comparing unit more described PM2.5 sampling processing module sends
jwith described PM2.5 content alarm threshold value;
Alarm unit receives the comparative result of described comparing unit, as described PM2.5 content QP
jexceed described PM2.5 content alarm threshold value alarm.
Further in described step S2, sampling period T=60s.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) RFID technique that utilizes of the present invention finds the system and method for motor vehicle to atmosphere environment impact fast, the vehicle fleet size passed through at current crossing can be detected accurately in conjunction with RFID technique, by reading the information of electronic tag for vehicles, can detect that in certain a period of time, each vehicle takies the T.T. of road accurately.And utilize RFID technique not to be subject to boisterous impact, accuracy can increase substantially.The present invention can detect the content of PM2.5 in air in real time in addition, calculate current wind speed and direction, the vehicle fleet size that current time travels on the peripheral path of monitoring point and holding time can also be detected accurately, and output relation curve map is analyzed to these, thus tail gas when quantitatively can show that motor vehicle runs, wind speed, wind direction is to atmosphere environment impact degree, improving decision maker for urban traffic environment takes corresponding measure to offer precise data foundation, and then can accurately by effectively supervising Vehicular behavior air-polluting degree.
(2) RFID technique that utilizes of the present invention finds the system and method for motor vehicle to atmosphere environment impact fast, uses sampling control module be synchronized the atmospheric sampling cycle and take the road time by whole automobiles in this region, improves the precision of data; Shorten the interval of sample time, existing atmospheric pollution checkout equipment is only monitored several times for one day, and the present invention just monitors once for one minute, improves the real-time of detection simultaneously.
(3) RFID technique that utilizes of the present invention finds the system and method for motor vehicle to atmosphere environment impact fast, there is the function of warning simultaneously, when after the PM2.5 content overproof a certain regional atmospheric being detected, can give the alarm, be convenient to security personnel's Timeliness coverage and pollute and take control measures.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein,
Fig. 1 is that the RFID technique that utilizes of the present invention finds the theory diagram of motor vehicle to the system of atmosphere environment impact fast;
Fig. 2 is that the RFID technique that utilizes of the present invention finds motor vehicle to the system of atmosphere environment impact fast at single file crossing place RFID read-write terminal setting position schematic diagram;
Fig. 3 be of the present invention utilize RFID technique to find fast motor vehicle locates RFID read-write terminal setting position schematic diagram at the parting of the ways to the system of atmosphere environment impact;
Fig. 4 is that the RFID technique that utilizes of the present invention finds the structured flowchart of motor vehicle to the data processing module of the system of atmosphere environment impact fast;
Fig. 5 is that the RFID technique that utilizes of the present invention finds the operation method process flow diagram of motor vehicle to the system of atmosphere environment impact fast;
Fig. 6 a be of the present invention utilize RFID technique to find fast the vehicle of motor vehicle to the system of atmosphere environment impact takies road T.T. t
c, PM2.5 content QP
j, current wind speed F
swith current wind direction F
xtime history plot;
Fig. 6 b be of the present invention utilize RFID technique to find fast the vehicle of motor vehicle to the system of atmosphere environment impact takies road T.T. t
c, PM2.5 content QP
j, current wind speed F
swith current wind direction F
xtime history plot.
In figure, Reference numeral is expressed as: 1-data processing module, 2-sampling control module, 31-PM2.5 processing module, 32-wind speed wind direction sensor, 4-vehicle takies road time-triggered protocol module, 5-atmospheric sampling module, 6-RFID read-write terminal, 101-storage unit, 102-comparing unit, 103-alarm unit, 104-Data Integration unit, 105-data display unit.
Embodiment
The present embodiment provides a kind of RFID technique that utilizes to find the system of motor vehicle to atmosphere environment impact fast, its theory diagram as shown in Figure 1, comprise RFID read-write terminal 6, be arranged at the entrance and exit place in tested section, in real time the carrying out of sailing vehicle and outgoing vehicles into is detected, read the electronic labeling information be arranged on vehicle.
Atmospheric sampling module 5, is arranged at described tested section place, gathers the atmospheric samples in described tested road section scope.
Vehicle takies road time-triggered protocol module 4, receives the electronic labeling information that described RFID read-write terminal 6 sends, and obtains it by described tested section time t used for the vehicle with same electronic labeling information
ci, wherein i represents it is the i-th chassis by this region, and i is integer and i>=1, obtains all vehicles by described tested section in sampling period T and takies road T.T. t
c=Σ t
ci.
PM2.5 processing module 31, receives the once atmospheric samples that collects of described atmospheric sampling module 5 every sampling period T, obtains PM2.5 content QP in described atmospheric samples
j.
Wind speed wind direction sensor 32, obtains once current wind speed F every sampling period T
swith current wind direction F
x;
Sampling control module 2, controls described vehicle and takies road time-triggered protocol module 4, described PM2.5 processing module 31 and described wind speed wind direction sensor 32 and start simultaneously.
Data processing module 1, receive described vehicle take road time-triggered protocol module 4 send vehicle take road T.T. t
c, and the PM2.5 content QP that described PM2.5 processing module 31 sends
j, the current wind speed F that sends of described wind speed wind direction sensor 32
swith current wind direction F
x; Obtain described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve also exports.
Below each main functional modules is described.
Described RFID read-write terminal 6, comprises transmitting antenna, receiving antenna and chip, reads the information of the electronic tag arranged onboard.The groundwork flow process of RFID read-write terminal 6 is: RFID read-write terminal 6 sends the radiofrequency signal of certain frequency by emitting antenna, produces induction current when electronic tag enters emitting antenna perform region, and electronic tag obtains energy and is activated; Self information is sent by the transmitting antenna in card by electronic tag, and the self information of electronic tag comprises self coded message and current time information in the present embodiment; The receiving antenna of RFID read-write terminal 6 receives the information of sending from electronic tag.The chip of RFID read-write terminal 6 carries out relevant treatment to the information of the electronic tag received, and obtains the time of vehicle by described RFID read-write terminal 6 perform region of the electronic tag of a certain numbering.This time is sails time T into
ror roll time T away from
c, according to sailing time T into
rwith roll time T away from
cobtain for the vehicle of the same electronic tag time t used through described tested section
ci=T
c-T
r.
The position of described RFID read-write terminal 6 on road is arranged as shown in Figures 2 and 3.Tested section shown in Fig. 2 is the section of single file, arranges two RFID read-write terminals 6, is arranged at vehicle inflow point and the vehicle exit in tested section respectively, by two RFID read-write terminals 6 in real time to sailing vehicle into and outgoing vehicles detects.System equipment in Fig. 2 and Fig. 3 is and comprises the equipment that vehicle takies road time-triggered protocol module 4 and data processing module 1.Shown in Fig. 3 is crossroad, then need to arrange four RFID read-write terminals 6, and the transverse and longitudinal both direction namely travelled at vehicle respectively arranges a RFID read-write terminal 6, in real time to sailing vehicle into and outgoing vehicles detects; In like manner, other special intersections can install the RFID read-write terminal of varying number according to actual conditions.
Atmospheric sampling module 5 is arranged at tested section place, and wind speed wind direction sensor 32 can be arranged at the adjacent position of described atmospheric sampling module 5.RFID read-write terminal 6 can be arranged on the track of atmospheric sampling module 5 periphery.Compared with traditional traffic information collection technology, RFID radio-frequency (RF) identification is a kind of contactless automatic identification technology, and it automatically identifies destination object by radiofrequency signal and obtains related data, and the work that identifies, without the need to manual intervention, can work in various rugged surroundings.
Vehicle takies road time-triggered protocol module 4, receives the electronic labeling information that described RFID read-write terminal 6 sends, and obtains it by described tested section time t used for the vehicle with same electronic labeling information
ci, wherein i is integer and i>=1, and obtains all vehicles by described tested section in sampling period T and take road T.T. t
c=Σ t
ci;
Preferably can T=60s be set.
Atmospheric sampling and data processing need atmospheric sampling module 5 and PM2.5 processing module 31 jointly to complete.Described atmospheric sampling module 5 gathers the PM2.5 sample in described tested road section scope particularly.
PM2.5 processing module 31, receives the once atmospheric samples that collects of described atmospheric sampling module 5 every sampling period T, obtains PM2.5 content QP in described atmospheric samples
j.
Wind speed wind direction sensor 32, obtains once current wind speed F every sampling period T
swith current wind direction F
x.
Sampling control module 2, controls that described vehicle takies road time-triggered protocol module 4, described PM2.5 processing module 31, described wind speed wind direction sensor 32 start simultaneously.
Data processing module 1, receive described vehicle take road time-triggered protocol module 4 send vehicle take road T.T. t
c, and the PM2.5 content QP that described PM2.5 processing module 31 sends
j, the current wind speed F that sends of described wind speed wind direction sensor 32
swith current wind direction F
x; Obtain described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve also exports.
As shown in Figure 4, described data processing module 1 specifically comprises:
Data Integration unit 104, receive described vehicle take road time-triggered protocol module 4 send vehicle take road T.T. t
c, and the PM2.5 content QP that described PM2.5 processing module 31 sends
j, the current wind speed F that sends of described wind speed wind direction sensor 32
swith current wind direction F
x; Obtain described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve;
Data display unit 105, receives described Data Integration unit 104 and sends described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve also shows.
Storage unit 101, stores PM2.5 content alarm threshold value; Comparing unit 102, the PM2.5 content QP that more described PM2.5 sampling processing module 31 sends
jwith described PM2.5 content alarm threshold value; Alarm unit 103, receives the comparative result of described comparing unit 102, as described PM2.5 content QP
jexceed described PM2.5 content alarm threshold value alarm.
Fig. 5 gives a kind of operation method that the present invention is based on said system, comprises the steps:
S1:RFID read-write terminal 6 in real time to sailing vehicle into and outgoing vehicles detects, reads the electronic labeling information be arranged on vehicle; Atmospheric sampling module 5 gathers the atmospheric samples in described tested road section scope;
S2: sampling control module 2 controls vehicle and takies road time-triggered protocol module 4 and described PM2.5 processing module 31 and wind speed wind direction sensor 32 to start simultaneously;
Described vehicle takies road time-triggered protocol module 4 and receives the information that described RFID read-write terminal 6 sends, and the vehicle for same electronic tag obtains it by described tested section time t used
ci, wherein i represents it is the i-th chassis by this region, and i is integer and i>=1, and obtains all vehicles by described tested section in sampling period T and take road T.T. t
c=Σ t
ci;
Described PM2.5 processing module 31, receives the once atmospheric samples that collects of described atmospheric sampling module 5 every sampling period T, obtains PM2.5 content QP in described atmospheric samples
j;
Wind speed wind direction sensor 32, obtains once current wind speed F every sampling period T
swith current wind direction F
x;
S3: data processing module 1, receive described vehicle take road time-triggered protocol module 4 send vehicle take road T.T. t
c, and the PM2.5 content QP that described PM2.5 processing module 31 sends
j, the current wind speed F that sends of described wind speed wind direction sensor 32
swith current wind direction F
x; Obtain described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve also exports.
Described step S3 also comprises:
Data Integration unit 104 receive described vehicle take road time-triggered protocol module 4 send vehicle take road T.T. t
c, and the PM2.5 content QP that described PM2.5 processing module 31 sends
j, the current wind speed F that sends of described wind speed wind direction sensor 32
swith current wind direction F
x;obtain described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve; Data display unit 105, receives that described Data Integration unit 104 sends and shows.
Described vehicle takies road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve as shown in figure 6 a and 6b.Fig. 6 a and Fig. 6 b is the curve map that in ten sampling periods, Data Integration unit 104 obtains.Wherein corresponding concrete data (the wherein t as shown in the table of Fig. 6 a
cunit is min, QP
junit is microgram/cubic meter, and wind direction arranges that north is 1, northeast is 1.5, east is 2, the southeast is 2.5, south is 3, southwest is 3.5, west is 4, northwest is 4.5, and wind speed unit is m/s):
Described curve map can see that, in the five to the eight sample period time, when vehicle takies road time showed increased, and sulfur dioxide content in air remains unchanged substantially.So can judge that motor-vehicle tail-gas is not the source of causing atmospheric pollution herein, now related management personnel need the pollution source of atmospheric pollution may be caused to investigate to other.Simultaneously this place wind speed scale is lower, belongs to light air rank, and the degree polluted by wind-force diffusion can not be very large, administers in time to this ground contamination, just can the aggravation of effective contamination containment degree.
Composition graphs 6b is analyzed, and the corresponding concrete data of Fig. 6 b are as shown in the table:
Described curve map can see that, in the five to the eight sample period time, when vehicle takies road time showed increased, sulfur dioxide content in air is also grown simultaneously, and amplification large percentage.So can judge that motor-vehicle tail-gas is the source of causing atmospheric pollution herein.Consider in conjunction with wind speed and direction, now wind direction is by north simultaneously, and wind speed scale is higher, belongs to strong gale grade, and pollution comparatively fast can be propagated by wind-force.Now need security personnel to hurry to the scene, evacuate vehicle, reduce the pollution level of pollution source.Precautions for Pollution should be taked in advance the direction security personnel by north of this surveyed area simultaneously.
The present invention can detect the content of PM2.5 in air in real time, calculate current wind speed and direction, vehicle occupation number amount on current time road can also be detected accurately, and output relation curve map is analyzed to these, thus when quantitatively can show that motor vehicle runs tail gas, wind speed, wind direction to atmosphere environment impact degree, improving decision maker for urban traffic environment takes corresponding measure to offer precise data foundation, and then can accurately by effectively supervising Vehicular behavior air-polluting degree.
As the preferred scheme of the present embodiment, can also warning function be comprised, also comprise in described step S3:
Comparing unit 102, the PM2.5 content QP that more described PM2.5 sampling processing module 31 sends
jwith described PM2.5 content alarm threshold value; Alarm unit 103, receives the comparative result of described comparing unit 102, as described PM2.5 content QP
jexceed described PM2.5 content alarm threshold value alarm.
The standard of domestic current is the air quality index that the PM2.5 of 75 micrograms/cubic meter concentration is corresponding is 100, is namely not up to standard higher than 75.It is 75 micrograms/cubic meter that the present invention preferably arranges PM2.5 pollution index threshold value.
Adopt the above embodiment of the present invention can show that described vehicle takies road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve also shows, can obtain whether the pollution of this area caused by the tail gas of motor vehicle emission intuitively according to all curves, if very little according to the content impact of time on the PM2.5 monitoring discovery vehicle of above-mentioned data being taken to road, then decision maker can go to search other possible pollution sources, and finally formulates the scheme of pollution administration according to pollution cause.。Simultaneously according to current wind speed F
swith current wind direction F
x, can estimate, by contaminated region, can reminding decision-making person to take preventive measures.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (8)
1. utilize RFID technique to find the system of motor vehicle to atmosphere environment impact fast, it is characterized in that, comprising:
RFID read-write terminal (6), is arranged at the entrance and exit place in tested section, in real time to sailing vehicle into and outgoing vehicles detects, reads the electronic labeling information be arranged on vehicle;
Atmospheric sampling module (5), is arranged at described tested section place, gathers the atmospheric samples in described tested road section scope;
Vehicle takies road time-triggered protocol module (4), receives the electronic labeling information that described RFID read-write terminal (6) sends, and obtains it by described tested section time t used for the vehicle with same electronic labeling information
ci, wherein i represents it is the i-th chassis by this region, for integer and i>=1, and obtains all vehicles by described tested section in sampling period T and takies road T.T. t
c=∑ t
ci;
PM2.5 processing module (31), receives the once atmospheric samples that collects of described atmospheric sampling module (5) every sampling period T, obtains PM2.5 content QP in described atmospheric samples
j;
Wind speed wind direction sensor (32), obtains once current wind speed F every sampling period T
swith current wind direction F
x;
Sampling control module (2), controls described vehicle and takies road time-triggered protocol module (4), described PM2.5 processing module (31) and described wind speed wind direction sensor (32) and start simultaneously;
Data processing module (1), receives described vehicle and takies the vehicle that road time-triggered protocol module (4) sends and take road T.T. t
c, and the PM2.5 content QP that described PM2.5 processing module (31) sends
j, the current wind speed F that sends of described wind speed wind direction sensor (32)
swith current wind direction F
x; Obtain described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve also exports.
2. the RFID technique that utilizes according to claim 1 finds the system of motor vehicle to atmosphere environment impact fast, it is characterized in that, described electronic labeling information at least comprises license plate number, information reads the moment.
3. the RFID technique that utilizes according to claim 1 and 2 finds the system of motor vehicle to atmosphere environment impact fast, and it is characterized in that, described data processing module (1) comprising:
Data Integration unit (104), receives described vehicle and takies the vehicle that road time-triggered protocol module (4) sends and take road T.T. t
c, and the PM2.5 content QP that described PM2.5 processing module (31) sends
j, the current wind speed F that sends of described wind speed wind direction sensor (32)
swith current wind direction F
x; Obtain described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve;
Data display unit (105), receives described Data Integration unit (104) and sends described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve also shows.
4. the RFID technique that utilizes according to claim 3 finds the system of motor vehicle to atmosphere environment impact fast, and it is characterized in that, described data processing module (1) also comprises:
Storage unit (101), stores PM2.5 content alarm threshold value;
Comparing unit (102), the PM2.5 content QP that more described PM2.5 processing module (31) sends
jwith described PM2.5 content alarm threshold value;
Alarm unit (103), receives the comparative result of described comparing unit (102), as described PM2.5 content QP
jexceed described PM2.5 content alarm threshold value alarm.
5. utilize RFID technique to find the method for motor vehicle to atmosphere environment impact fast, it is characterized in that, comprise the steps:
S1:RFID read-write terminal (6) in real time to sailing vehicle into and outgoing vehicles detects, reads the electronic labeling information be arranged on vehicle; Atmospheric sampling module (5) gathers the atmospheric samples in tested road section scope;
S2: sampling control module (2) control vehicle takies road time-triggered protocol module (4) and starts with PM2.5 processing module (31) and wind speed wind direction sensor (32) simultaneously;
Described vehicle takies road time-triggered protocol module (4) and receives the number plate information that described RFID read-write terminal (6) sends, and the vehicle for same electronic tag obtains it by described tested section time t used
ci, wherein i represents it is the i-th chassis by this region, for integer and i>=1, and obtains all vehicles by described tested section in sampling period T and takies road T.T. t
c=∑ t
ci;
Described PM2.5 processing module (31), receives the once atmospheric samples that collects of described atmospheric sampling module (5) every sampling period T, obtains PM2.5 content QP in described atmospheric samples
j;
Wind speed wind direction sensor (32), obtains once current wind speed F every sampling period T
swith current wind direction F
x;
S3: data processing module (1), receives described vehicle and takies the vehicle that road time-triggered protocol module (4) sends and take road T.T. t
c, and the PM2.5 content QP that described PM2.5 processing module (31) sends
j, the current wind speed F that sends of described wind speed wind direction sensor (32)
swith current wind direction F
x; Obtain described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve also exports.
6. the RFID technique that utilizes according to claim 5 finds the method for motor vehicle to atmosphere environment impact fast, it is characterized in that, also comprises in described step S3:
Data Integration unit (104) receives described vehicle and takies the vehicle that road time-triggered protocol module (4) sends and take road T.T. t
c, and the PM2.5 content QP that described PM2.5 processing module (31) sends
j, the current wind speed F that sends of described wind speed wind direction sensor (32)
swith current wind direction F
x; Obtain described vehicle and take road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve;
Data display unit (105), receives the described vehicle that described Data Integration unit (104) sends and takies road T.T. t
ctime dependent curve, PM2.5 content QP
jtime dependent curve, current wind speed F
swith current wind direction F
xtime dependent curve also shows.
7. the RFID technique that utilizes according to claim 6 finds the method for motor vehicle to atmosphere environment impact fast, and it is characterized in that, described step S3 also comprises:
The PM2.5 content QP that the more described PM2.5 processing module (31) of comparing unit (102) sends
jwith PM2.5 content alarm threshold value;
Alarm unit (103) receives the comparative result of described comparing unit (102), as described PM2.5 content QP
jexceed described PM2.5 content alarm threshold value alarm.
8. find the method for motor vehicle to atmosphere environment impact fast according to the arbitrary described RFID technique that utilizes of claim 5-7, it is characterized in that, in described step S2, sampling period T=60s.
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