CN103235089B - System rapidly detecting influence of motor vehicle to atmospheric PM2.5, and operation method thereof - Google Patents

System rapidly detecting influence of motor vehicle to atmospheric PM2.5, and operation method thereof Download PDF

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CN103235089B
CN103235089B CN201310133875.4A CN201310133875A CN103235089B CN 103235089 B CN103235089 B CN 103235089B CN 201310133875 A CN201310133875 A CN 201310133875A CN 103235089 B CN103235089 B CN 103235089B
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vehicle
content
road
module
processing module
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CN103235089A (en
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李颖宏
李正熙
张永忠
张福生
邹平
田红芳
张海波
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North China University of Technology
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North China University of Technology
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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Abstract

The invention relates to a system rapidly detecting the influence of motor vehicle to atmospheric PM2.5, and an operation method thereof. The system is composed of a data processing module, a PM2.5 processing module, a vehicle road occupation time processing module, a PM2.5 sampling module, and a vehicle sensor module. Monitoring and sampling analysis are carried out upon vehicle operation state through the vehicle sensor module and the vehicle road occupation time processing module; Atmospheric pollution degree is sampled and analyzed through the PM2.5 sampling module and the PM2.5 processing module; a relationship curve of the vehicle operation state and the atmospheric pollution degree is displayed in a form of a chart or a table by the data processing module, and alarming is carried out when a state exceeding a preset pollution index level is detected. With the system and method provided by the invention, the influence degree of PM2.5 in exhaust gas emitted during motor vehicle operation upon a current atmosphere actual PM2.5 content value can be quantitatively obtained. Therefore, a real cause of exceeded atmospheric PM2.5 content can be obtained by a decision maker, and atmospheric PM2.5 content exceeding can be controlled and treated with targeted measures.

Description

Quick discovery motor vehicle is on the system of the impact of air PM2.5 and operation method thereof
Technical field
The invention belongs to technical field of environmental science, be specifically related to a kind of quick discovery motor vehicle to the system of the impact of air PM2.5 and operation method thereof.
Background technology
PM2.5 refers to that in air, diameter is less than or equal to the particle of 2.5 microns, and also referred to as entering lung particle, although PM2.5 is the component that in earth atmosphere composition, content is little, it has important impact to air quality and visibility etc.Compared with thicker Atmospheric particulates, PM2.5 particle diameter is little, is rich in a large amount of poisonous and harmful substances and residence time is in an atmosphere long, fed distance is far away, thus larger on the impact of health and atmosphere quality.Weather scientist and medical expert think, the harm of the haze weather caused by fine particle to health is even larger than sandstorm.The particle that particle diameter is more than 10 microns, outside the nose that can be blocked in people; The particle of particle diameter between 2.5 microns to 10 microns, can enter the upper respiratory tract, but part excretes by sputum etc., also can be stopped by the fine hair of nasal cavity in addition, relatively little to human health damage; The physiological structure of human body determines PM2.5 without any filtration, obstruction ability.Research shows, the fine particle of less than 2 μm enters to be deep into bronchiole and alveolar, directly affects the ventilatory function of lung, makes body easily be in anaerobic condition.And this fine particle is once enter alveolar, be adsorbed on alveolar and be difficult to drop, this absorption is irreversible.
PM2.5 is all listed in air quality standard by the Japan, Thailand, India etc. in Main Developed Countries and Asia in the world at present, and China also comes to realise this problem, and sets about listing PM2.5 in ambient air quality index.Motor-vehicle tail-gas is the cause causing PM2.5 value to exceed standard, and builds consensus.The impact how quantitative analysis motor-vehicle tail-gas exceeds standard on PM2.5 parameter is the focus that people pay close attention to.
Existing patent documentation CN201010122694.8 discloses a kind of vehicle exhaust and detects in real time and arithmetic unit, and this device comprises Tail gas measuring device, data acquisition node and is connected display for showing exhaust emissions index in real time with data acquisition node by electronic circuit.Carry out analysis & control by Tail gas measuring center according to individuality, thus the total release index in setting-up time section can be obtained.Although this technical scheme can obtain automobile pollution discharge capacity accurately, the actual levels of pollution of PM2.5 in motor vehicle running status and air is not carried out real time correlation.And both at home and abroad just in atmospheric surveillance, whether pay close attention in air containing PM2.5 and quantity, the monitor value that in same tail gas of not discharging in current location with motor vehicle and air, present period contains PM2.5 carries out real time correlation, cannot describe the impact that motor-vehicle tail-gas changes PM2.5 value quantitatively.
Summary of the invention
To be solved by this invention be analysis and investigation car running process produce tail gas to the degree of the actual influence of air PM2.5, propose a kind of quick discovery motor vehicle to the system of the impact of air PM2.5 and operation method thereof.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
Quick discovery motor vehicle, on a system for the impact of air PM2.5, comprising:
Vehicle sensors module, is arranged at vehicle inflow point and the vehicle exit in tested section, in real time to sailing vehicle into and outgoing vehicles detects;
PM2.5 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, per interval T sreceive once described vehicle sensors module detect sail the signal of vehicle and the signal of outgoing vehicles into, obtain at time T sin on described tested section the quantity of vehicle and vehicle take road time t ci, wherein i is integer and 1≤i≤N, and obtains at sampling period T=N*T sinterior vehicle takies road T.T. t c = Σ i = 1 N t ci ;
PM2.5 processing module, takies road time-triggered protocol module with described vehicle and opens simultaneously, receives the once atmospheric samples that collects of described PM2.5 sampling module, obtain PM2.5 content Q in described atmospheric samples every sampling period T j;
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 Q that described PM2.5 processing module sends j; Obtain and take road T.T. t at described vehicle cand PM2.5 content Q jbetween funtcional relationship and export.
Further described vehicle take road time-triggered protocol module according to described in sail vehicle into the signal acquisition of signal and outgoing vehicles sail the quantity N of vehicle into rwith the quantity N of outgoing vehicles c; Described vehicle takies road time t ci=T s× (N r-N c), described time T sfor 1s.
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 Q that described PM2.5 processing module sends j, obtain described vehicle and take road T.T. t cand PM2.5 content Q jbetween funtcional relationship;
Data display unit, receives the funtcional relationship of described Data Integration unit transmission and shows with the form schemed or show.
Described data processing module also comprises further:
Storage unit, stores PM2.5 content alarm threshold value;
Comparing unit, the PM2.5 content Q that more described PM2.5 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 Q jexceed described PM2.5 content alarm threshold value alarm.
Further based on above-mentioned quick discovery motor vehicle on an operation method for the system of the impact of air PM2.5, comprise the steps:
S1: vehicle sensors module is in real time to sailing vehicle into and outgoing vehicles detects; PM2.5 sampling module, is arranged at described tested section place, gathers the atmospheric samples in described tested road section scope;
S2: vehicle takies the per interval T of road time-triggered protocol module sreceive once described vehicle sensors module detect sail the signal of vehicle and the signal of outgoing vehicles into, obtain at time T sin on described tested section the quantity of vehicle and vehicle take road time t ci, wherein i is integer and 1≤i≤N, and obtains at sampling period T=N*T sinterior vehicle takies road T.T. t c = Σ i = 1 N t ci ;
PM2.5 processing module, takies road time-triggered protocol module with described vehicle and opens simultaneously, receives the once atmospheric samples that collects of described PM2.5 sampling module, obtain PM2.5 content Q in described atmospheric samples every sampling period T j;
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 Q that described PM2.5 processing module sends j; Obtain and take road T.T. t at described vehicle cand PM2.5 content Q jbetween funtcional relationship and export.
Described in described step S2, vehicle takies road time t further ci=T s× (N r-N c), wherein said N rfor sailing the quantity of vehicle into, N cfor the quantity of outgoing vehicles.
Also comprise in described step S3 further: Data Integration unit takies road T.T. t according to described vehicle cand described PM2.5 content Q j, obtain and take road T.T. t at described vehicle cand PM2.5 content Q jbetween funtcional relationship be sent to data display unit, described data display unit shows with the form schemed or show.
Described step S3 also comprises further: the PM2.5 content Q sent by the more described PM2.5 processing module of comparing unit jwith the PM2.5 content alarm threshold value stored in storage unit, as described PM2.5 content Q jexceed described PM2.5 content alarm threshold value alarm unit to report to the police.
Further in described step S2, N=60, T s=1s.。
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) quick discovery motor vehicle of the present invention is on the system of the impact of air PM2.5 and operation method thereof, the degree of atmospheric pollution can not only be detected in real time, be specially the content of PM2.5 in air, can also detect that in certain a period of time, vehicle takies the T.T. of road accurately, and output relation curve map is analyzed to these two contents, thus the tail gas produced when quantitatively can show that motor vehicle runs is to the actual influence degree of atmospheric environment, improves decision maker for urban traffic environment and take corresponding measure to offer precise data foundation.
(2) quick discovery motor vehicle of the present invention is on the system of the impact of air PM2.5 and operation method thereof, 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.
(3) quick discovery motor vehicle of the present invention is on the system of the impact of air PM2.5 and operation method thereof, can by the vehicle detected, the funtcional relationship taken between road T.T. and PM2.5 content shows by data display unit, more intuitively.
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 quick discovery motor vehicle of the present invention is on the theory diagram of the system of the impact of air PM2.5;
Fig. 2 is that described quick discovery motor vehicle of the present invention is on the crossing place vehicle sensors setting position schematic diagram of the system of the impact of air PM2.5 at one-way traffic;
Fig. 3 is that described quick discovery motor vehicle of the present invention is on the crossing place vehicle sensors setting position schematic diagram of the system of the impact of air PM2.5 at two way;
Fig. 4 is that quick discovery motor vehicle of the present invention is on the operation method process flow diagram of the system of the impact of air PM2.5.
In figure, Reference numeral is expressed as: 1-data processing module, 3-PM2.5 processing module, 4-vehicle takies road time-triggered protocol module, 5-PM2.5 sampling module, 6-vehicle sensors module, 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 quick discovery motor vehicle on the system of the impact of air PM2.5, its theory diagram as shown in Figure 1, comprises data processing module 1, PM2.5 processing module 3, vehicle takies road time-triggered protocol module 4, PM2.5 sampling module 5 and vehicle sensors module 6.
Described vehicle sensors module 6, is arranged at vehicle inflow point and the vehicle exit in tested section, in real time to sailing vehicle into and outgoing vehicles detects.
PM2.5 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, per interval T sreceive once described vehicle sensors module 6 detect sail the signal of vehicle and the signal of outgoing vehicles into, obtain at time T sin on described tested section the quantity of vehicle and vehicle take road time t ci, wherein i is integer and 1≤i≤N, and obtains at sampling period T=N*T sinterior vehicle takies road T.T. t c = Σ i = 1 N t ci .
PM2.5 processing module 3, takies the work of reason time-triggered protocol module 4 synchronous averaging with described vehicle, receives the once atmospheric samples that collects of described PM2.5 sampling module 5, obtain PM2.5 content Q in described atmospheric samples every sampling period T j.
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 Q that described PM2.5 processing module 3 sends j; Obtain and take road T.T. t at described vehicle cand PM2.5 content Q jbetween funtcional relationship and export.
Below each main functional modules is described.
The position of described vehicle sensors module 6 on road is arranged as shown in Figures 2 and 3.Tested section shown in Fig. 2 is the section of one-way traffic, it arranges two vehicle sensors modules 6, be arranged at vehicle inflow point and the vehicle exit in tested section respectively, by two vehicle sensors modules 6 in real time to sailing vehicle into and outgoing vehicles detects.Described vehicle sensors module 6 wherein can adopt embedded-type sensor.And the 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 the section of two way, then need to arrange four vehicle sensors modules, and the both direction namely travelled at vehicle all arranges two vehicle sensors modules 6, in real time to sailing vehicle into and outgoing vehicles detects; In like manner, if detected section is a certain region of vicinity, crossroad, then just need to arrange eight vehicle sensors modules 6 for a crossroad.For detecting the vehicle that eight directions travel.Other special intersections can install the vehicle sensors module of varying number according to actual conditions, and occur all in pairs.
Described vehicle takies road time-triggered protocol module 4, per interval T swhat receive once that described vehicle sensors module 6 detects sails the signal of vehicle and the signal of outgoing vehicles into, and vehicle takies road time-triggered protocol module 4 and each is arranged on vehicle and sails the vehicle fleet size that the vehicle sensors module on direction detects into and sum up the quantity Nr obtaining sailing into vehicle in this embodiment; Each is arranged on vehicle to roll the vehicle fleet size that the vehicle sensors module on direction detects away from and sum up the quantity N obtaining sailing into vehicle c.
By calculating at time T sin on described tested section the quantity of vehicle and vehicle take road time t ci, t ci=T s* (N r-N c), wherein i is integer and 1≤i≤N, and obtains at sampling period T=N*T sinterior vehicle takies road T.T.
Preferably can T be set s=1s, T=60s, N=60.
Described 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 Q that described PM2.5 processing module 3 sends j; Obtain and take road T.T. t at described vehicle cand PM2.5 content Q jbetween funtcional relationship and export.
As shown in Figure 1, described data processing module 1 specifically comprises: described 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 Q that described PM2.5 processing module 3 sends j, obtain and take road T.T. t at described vehicle cand PM2.5 content Q jbetween funtcional relationship; Data display unit 105, receives the funtcional relationship of described Data Integration unit 104 transmission and shows with the form schemed or show.
Storage unit 101, stores PM2.5 content alarm threshold value; Comparing unit 102, the PM2.5 content Q that more described PM2.5 processing module 3 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 Q jexceed described PM2.5 content alarm threshold value alarm.
Fig. 4 gives a kind of operation method of said system of the present invention, comprises the steps:
S1: vehicle sensors module 6 is in real time to sailing vehicle into and outgoing vehicles detects; PM2.5 sampling module 5, is arranged at described tested section place, gathers the atmospheric samples in described tested road section scope;
S2: vehicle takies the per interval T of road time-triggered protocol module 4 sreceive once described vehicle sensors module 6 detect sail the signal of vehicle and the signal of outgoing vehicles into, obtain at time T sin on described tested section the quantity of vehicle and vehicle take road time t ci, wherein i is integer and 1≤i≤N, and obtains at sampling period T=N*T sinterior vehicle takies road T.T. be sent to data processing module 1;
PM2.5 processing module 3, itself and vehicle take road time-triggered protocol module 4 and start simultaneously, just the two has the different sampling periods, described PM2.5 processing module 3 receives the once atmospheric samples that collects of described PM2.5 sampling module 5 every sampling period T, obtains PM2.5 content Q in described atmospheric samples jbe sent to described data processing module 1;
S3: data processing mould 1, receive described vehicle take road time-triggered protocol module 4 send vehicle take road T.T. t c, and the PM2.5 content Q that described PM2.5 processing module 3 sends j; Obtain and take road T.T. t at described vehicle cand PM2.5 content Q jbetween funtcional relationship and export.
Described step S3 also comprises: Data Integration unit 104 takies road T.T. t according to described vehicle cand described PM2.5 content Q j, obtain and take road T.T. t at described vehicle cand PM2.5 content Q jbetween funtcional relationship be sent to data display unit 105, described data display unit 105 shows with the form schemed or show.
Meanwhile, the present invention is also provided with warning function, also comprises in described step S3: the PM2.5 content Q sent by the more described PM2.5 processing module 3 of comparing unit 102 jwith the PM2.5 content alarm threshold value stored in storage unit 101, as described PM2.5 content Q jexceed described PM2.5 content alarm threshold value alarm unit 103 to report to the police.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 pollution index threshold value.
The PM2.5 content of a certain monitoring point periphery and vehicle take the relation of the time of road to adopt the above embodiment of the present invention to draw, whether the pollution source that can obtain this area are intuitively the tail gas of motor vehicle emission.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.
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 (9)

1. find that motor vehicle is on a system for the impact of air PM2.5, is characterized in that, comprising fast:
Vehicle sensors module (6), is arranged at vehicle inflow point and the vehicle exit in tested section, in real time to sailing vehicle into and outgoing vehicles detects;
PM2.5 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), per interval T sreceive once described vehicle sensors module (6) detect sail the signal of vehicle and the signal of outgoing vehicles into, obtain at time T sin on described tested section the quantity of vehicle and vehicle take road time t ci, wherein i is integer and 1≤i≤N, and obtains at sampling period T=N*T sinterior vehicle takies road T.T. t c = Σ i = 1 N t ci ;
PM2.5 processing module (3), take road time-triggered protocol module with described vehicle to open simultaneously, receive the once atmospheric samples that collects of described PM2.5 sampling module (5) every sampling period T, obtain PM2.5 content Q in described atmospheric samples j;
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 Q that described PM2.5 processing module (3) sends j; Obtain and take road T.T. t at described vehicle cand PM2.5 content Q jbetween funtcional relationship and export.
2. quick discovery motor vehicle according to claim 1 is on the system of the impact of air PM2.5, and the signal acquisition that described vehicle takies the signal and outgoing vehicles sailing vehicle into described in road time-triggered protocol module (4) basis sails the quantity Nr of vehicle and the quantity N of outgoing vehicles into c; Described vehicle takies road time t ci=T s× (N r-N c), described time T sfor 1s.
3. quick discovery motor vehicle according to claim 1 and 2 is on the system of the impact of air PM2.5, 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 Q that described PM2.5 processing module (3) sends j, obtain described vehicle and take road T.T. t cand PM2.5 content Q jbetween funtcional relationship;
Data display unit (105), receives funtcional relationship that described Data Integration unit (104) sends and shows with the form schemed or show.
4. quick discovery motor vehicle according to claim 3 is on the system of the impact of air PM2.5, 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 Q that more described PM2.5 processing module (3) 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 Q jexceed described PM2.5 content alarm threshold value alarm.
5. based on the arbitrary described quick discovery motor vehicle of claim 1-4 on an operation method for the system of the impact of air PM2.5, it is characterized in that, comprise the steps:
S1: vehicle sensors module (6) is in real time to sailing vehicle into and outgoing vehicles detects; PM2.5 sampling module (5), is arranged at described tested section place, gathers the atmospheric samples in described tested road section scope;
S2: vehicle takies the per interval T of road time-triggered protocol module (4) sreceive once described vehicle sensors module (6) detect sail the signal of vehicle and the signal of outgoing vehicles into, obtain at time T sin on described tested section the quantity of vehicle and vehicle take road time t ci, wherein i is integer and 1≤i≤N, and obtains at sampling period T=N*T sinterior vehicle takies road T.T. t c = Σ i = 1 N t ci ;
PM2.5 processing module (3), take road time-triggered protocol module with described vehicle to open simultaneously, receive the once atmospheric samples that collects of described PM2.5 sampling module (5) every sampling period T, obtain PM2.5 content Q in described atmospheric samples j;
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 Q that described PM2.5 processing module (3) sends j; Obtain and take road T.T. t at described vehicle cand PM2.5 content Q jbetween funtcional relationship and export.
6. operation method according to claim 5, is characterized in that, described in described step S2, vehicle takies road time t ci=T s× (N r-N c), wherein said N rfor sailing the quantity of vehicle into, N cfor the quantity of outgoing vehicles.
7. the operation method according to claim 5 or 6, is characterized in that, also comprises in described step S3: Data Integration unit (104) takies road T.T. t according to described vehicle cand described PM2.5 content Q j, obtain and take road T.T. t at described vehicle cand PM2.5 content Q jbetween funtcional relationship be sent to data display unit (105), described data display unit (105) shows with the form schemed or show.
8. described operation method according to claim 7, it is characterized in that, described step S3 also comprises: the PM2.5 content Q sent by the more described PM2.5 processing module (3) of comparing unit (102) jwith the PM2.5 content alarm threshold value stored in storage unit (101), as described PM2.5 content Q jexceed the warning of described PM2.5 content alarm threshold value alarm unit (103).
9. operation method according to claim 8, is characterized in that, in described step S2, and N=60, T s=1s.
CN201310133875.4A 2013-04-17 2013-04-17 System rapidly detecting influence of motor vehicle to atmospheric PM2.5, and operation method thereof Expired - Fee Related CN103235089B (en)

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