CN203422305U - Road dust load measurement system based on vehicle-mounted instruments - Google Patents
Road dust load measurement system based on vehicle-mounted instruments Download PDFInfo
- Publication number
- CN203422305U CN203422305U CN201320508021.5U CN201320508021U CN203422305U CN 203422305 U CN203422305 U CN 203422305U CN 201320508021 U CN201320508021 U CN 201320508021U CN 203422305 U CN203422305 U CN 203422305U
- Authority
- CN
- China
- Prior art keywords
- vehicle
- granules
- system based
- measuring concentration
- measurement system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a road dust load measurement system based on vehicle-mounted instruments. The system comprises a test vehicle, a first particulate matter concentration measurement instrument, a tire dust particle matter concentration measurement structure and a data processing and outputting unit, wherein the first particulate matter concentration measurement instrument is arranged on a vehicle, the tire dust particle matter concentration measurement structure is provided with a sampling end, the sampling end is arranged behind a vehicle tire or on the rear of the vehicle, and the first particulate matter concentration measurement instrument and the tire dust particle matter concentration measurement structure are respectively connected with the data processing and outputting unit. By adopting the road dust load measurement system based on vehicle-mounted instruments, sampling personnel only needs to drive a vehicle to pass through regions to be measured, so that the safety is higher than a manner of collecting samples on road, the measurement efficiency is high, the manpower consumption is small, the sampling range is large and the representativeness is strong.
Description
Technical field
The utility model relates to road dust measurement mechanism, relates in particular to a kind of road dust load measurement system based on vehicle-mounted instrument.
Background technology
Road dust load refers on unit path area the quality of part laying dust that can be by 200 mesh standard sieves (be equivalent to how much particle diameters 75 microns below).The airborne dust that road dust forms in entered environment air under the effect of certain dynamic condition is called dust on the roads.
Road dust load is for affecting the principal element of dust on the roads discharge, the sampling of pavement of road laying dust load adopts vacuum collecting method, apply suction cleaner and collect the Dust Samples of certain road area, in laboratory, carry out sizing analysis, calculate the laying dust load on sampling road surface.Its shortcoming is that efficiency is low, need to expend a large amount of manpowers, can not ensure sample collector's safety, and sampling area is little, representative poor simultaneously.
Utility model content
The utility model is intended to overcome the deficiency that above prior art exists, and provides a kind of efficiency high, can ensure that sample collector's safety, manpower expend less, sampling area large and the representative strong road dust load measurement system based on vehicle-mounted instrument.
For solving the problems of the technologies described above, the utility model provides a kind of road dust load measurement system based on vehicle-mounted instrument, comprises testing vehicle, the first measuring concentration of granules in certain instrument, tire airborne dust measuring concentration of granules in certain structure and data processing and output unit; Described the first measuring concentration of granules in certain instrument is arranged on vehicle, described tire airborne dust measuring concentration of granules in certain structure has sampling end, and described sampling end is arranged at vehicle tyre rear or is arranged at vehicle rear, described the first measuring concentration of granules in certain instrument, tire airborne dust measuring concentration of granules in certain structure are connected with data processing and output unit respectively.
Optionally, the road dust load measurement system based on vehicle-mounted instrument of the present utility model also comprises GPS positioning system or the Big Dipper positioning system being arranged on vehicle.
Optionally, the road dust load measurement system based on vehicle-mounted instrument of the present utility model also comprises the onboard diagnostic system being arranged on vehicle.
Optionally, described the first measuring concentration of granules in certain instrument is arranged at the front end of the top of vehicle, the both sides of vehicle or vehicle.
Optionally, described tire airborne dust measuring concentration of granules in certain structure comprises sample lines, one end of described sample lines is sampling end, in described sample lines, be also provided with measuring concentration of granules in certain device, flow measurement device and air transporting arrangement, described flow measurement device is also connected with frequency converter, and the output terminal of described frequency converter is connected with air transporting arrangement.
Optionally, in sample lines, described measuring concentration of granules in certain device, flow measurement device and air transporting arrangement set gradually from sampling end in sample lines.Optionally, the sampling end of described sample lines is arranged on the vehicle at vehicle tyre rear portion or is arranged at vehicle rear.
Optionally, described flow measurement device is flow sensor; And/or described air transporting arrangement is blower fan or air pump.
Optionally, described data processing and output unit are computing machine.
During the road dust load measurement system works based on vehicle-mounted instrument of the present utility model, what described particle measuring instrument recorded is background particle concentration, what tire airborne dust measuring concentration of granules in certain structure recorded is tire airborne dust particle concentration (be background particle concentration and the particle concentration of kicking up due to tire airborne dust and), and the concentration difference of the two is designated as airborne dust signal (C).The parameters such as road dust load (sL) and airborne dust signal (C), the speed of a motor vehicle (V) have correlativity, and its funtcional relationship can be expressed as sL=f (C, V).By the road dust load measurement system based on vehicle-mounted instrument of the present utility model, sample collector only need drive to travel to measuring difference, and security is higher than the mode of collected specimens on road, measures efficiency high, manpower expends few, and sample range is large, representative strong.
Accompanying drawing explanation
Fig. 1 is the structural representation of the road dust load measurement system based on vehicle-mounted instrument in the utility model embodiment.
In figure, mark is illustrated as: 1-the first measuring concentration of granules in certain instrument; 2-data processing and output unit; 3-sampling end; 4-GPS positioning system; 5-sample lines; 6-the second measuring concentration of granules in certain device; 7-flow measurement device; 8-air transporting arrangement; 9-frequency converter; 10-tire.
Embodiment
A lot of details have been set forth in the following description so that fully understand the utility model.But the utility model can be implemented to be much different from alternate manner described here, and those skilled in the art can do similar popularization without prejudice to the utility model intension in the situation that, so the utility model is not subject to the restriction of following public concrete enforcement.
Below in conjunction with drawings and Examples, the utility model is described in detail, when the utility model embodiment is described in detail in detail, for ease of explanation, described schematic diagram is example, and it should not limit the scope of the utility model protection at this.
Referring to Fig. 1, the present embodiment provides a kind of road dust load measurement system based on vehicle-mounted instrument, comprises testing vehicle, the first measuring concentration of granules in certain instrument 1, tire airborne dust measuring concentration of granules in certain structure and data processing and output unit 2; Described the first measuring concentration of granules in certain instrument 1 is arranged on vehicle, described tire airborne dust measuring concentration of granules in certain structure has sampling end 3, and described sampling end 3 is arranged at tire 10 rears of vehicle or is arranged at vehicle rear, described the first measuring concentration of granules in certain instrument 1, tire airborne dust measuring concentration of granules in certain structure are connected with data processing and output unit 2 respectively.
During the above-mentioned road dust load measurement system works based on vehicle-mounted instrument, what described particle measuring instrument recorded is background particle concentration, what tire airborne dust measuring concentration of granules in certain structure recorded is tire airborne dust particle concentration (be background particle concentration and the particle concentration of kicking up due to tire airborne dust and), and the concentration difference of the two is designated as airborne dust signal (C).The parameters such as road dust load (sL) and airborne dust signal (C), the speed of a motor vehicle (V) have correlativity, and its funtcional relationship can be expressed as sL=f (C, V).The concentration signal that the first measuring concentration of granules in certain instrument 1 and tire airborne dust measuring concentration of granules in certain structure record sends data processing and output unit 2 to, by described data processing and output unit 2, calculates the road dust load line output (as being shown to user by display screen) of going forward side by side.By the above-mentioned road dust load measurement system based on vehicle-mounted instrument, sample collector only need drive to travel to measuring difference, and security is higher than the mode of collected specimens on road, measures efficiency high, manpower expends few, and sample range is large, representative strong.
In the present embodiment, optional, also comprise the GPS positioning system 4 or the Big Dipper positioning system that are arranged on vehicle.Data processing and output unit receive after the testing vehicle geographical location information and speed information of GPS positioning system transmission, the information exchange receiving are crossed after deal with data to the corresponding informance in output road dust load and geographic position.Described GPS positioning system 4 is conventional equipment of the prior art, does not repeat them here.
In the present embodiment, optional, on described testing vehicle, be also provided with onboard diagnostic system (OBD), to the speed information of GPS positioning system record is revised, obtain vehicle geographical location information more accurately.Described onboard diagnostic system (OBD) is conventional equipment of the prior art, does not repeat them here.
In the present embodiment, optional, the sampling end of described the first measuring concentration of granules in certain instrument 1 is arranged at the top of testing vehicle, both sides or front end.So that from testing vehicle tire airborne dust region away from, measure background air particles substrate concentration more accurately.
In the present embodiment, optionally, described tire airborne dust measuring concentration of granules in certain structure comprises sample lines 5, one end of described sample lines 5 is sampling end 3, in described sample lines 5, be also provided with the second measuring concentration of granules in certain device 6, flow measurement device 7 and air transporting arrangement 8, described flow measurement device 7 is also connected with frequency converter 9, and the output terminal of described frequency converter 9 is connected with air transporting arrangement 8.
Described tire airborne dust measuring concentration of granules in certain structure is when work, under the effect of air transporting arrangement 8, make air enter into sample lines 5 from the sampling end 3 of sample lines 5, the airborne particle concentration sampling by 6 pairs, the second measuring concentration of granules in certain device is measured, and then after flow measurement device 7 and air transporting arrangement 8, discharges.Owing to being provided with flow measurement device 7 in sample lines 5, and flow measurement device 7 is connected with frequency converter 9, frequency converter 9 is also connected with air transporting arrangement 8, therefore, the gas flow signal that flow measurement device 7 measures can send to frequency converter 9, by frequency converter 9, control the frequency of air transporting arrangement 8, when the gas flow rate in sample lines 5 is less than the gas flow rate of setting in the second measuring concentration of granules in certain device 6, the frequency of air transporting arrangement 8 is raise, to increase the gas flow rate in sample lines 5, when the gas flow rate in sample lines 5 is greater than the gas flow rate of setting in the second measuring concentration of granules in certain device 6, the frequency of air transporting arrangement 8 is reduced, to reduce the gas flow rate in sample lines 5, thereby make the gas flow rate in the second measuring concentration of granules in certain device 6 remain at setting value, realize the isokinetic sampling of air, and then obtain measurement result more accurately.
In the present embodiment, in order to make the air in sample lines 5 enter into sample lines 5 from sampling end 3 more smoothly, optionally, in sample lines 5, described the second measuring concentration of granules in certain device 6, flow measurement device 7 and air transporting arrangement 8 set gradually from sampling end 3 in sample lines 5.
In the present embodiment, optional, the sampling end 3 of described sample lines 5 is arranged on the vehicle at tire 10 rear portions of vehicle or is arranged at vehicle rear, to sampled in the main airborne dust of vehicle region.
In the present embodiment, for the air mass flow in sample lines 5 is measured more accurately, optional, described flow measurement device 7 is flow sensor.
In the present embodiment, for the air in sample lines 5 is effectively carried, optional, described air transporting arrangement 8 is blower fan or air pump.
In the present embodiment, optional, described data processing and output unit are computing machine, to the data that collect are processed, calculate road dust load.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. the road dust load measurement system based on vehicle-mounted instrument, is characterized in that, comprises testing vehicle, the first measuring concentration of granules in certain instrument, tire airborne dust measuring concentration of granules in certain structure and data processing and output unit; Described the first measuring concentration of granules in certain instrument is arranged on testing vehicle, described tire airborne dust measuring concentration of granules in certain structure has sampling end, and described sampling end is arranged at vehicle tyre rear or is arranged at vehicle rear, described the first measuring concentration of granules in certain instrument, tire airborne dust measuring concentration of granules in certain structure are connected with data processing and output unit respectively.
2. the road dust load measurement system based on vehicle-mounted instrument according to claim 1, is characterized in that, also comprises the GPS positioning system or the Big Dipper positioning system that are arranged on testing vehicle.
3. the road dust load measurement system based on vehicle-mounted instrument according to claim 2, is characterized in that, also comprises the onboard diagnostic system being arranged on testing vehicle.
4. the road dust load measurement system based on vehicle-mounted instrument according to claim 1, is characterized in that, the sampling end of described the first measuring concentration of granules in certain instrument is arranged at the both sides of the top of vehicle, vehicle or the front end of vehicle.
5. according to the road dust load measurement system based on vehicle-mounted instrument described in claim 1-4 any one, it is characterized in that, described tire airborne dust measuring concentration of granules in certain structure comprises sample lines, one end of described sample lines is sampling end, in described sample lines, be also provided with the second measuring concentration of granules in certain device, flow measurement device and air transporting arrangement, described flow measurement device is also connected with frequency converter, and the output terminal of described frequency converter is connected with air transporting arrangement.
6. the road dust load measurement system based on vehicle-mounted instrument according to claim 5, it is characterized in that, in sample lines, described the second measuring concentration of granules in certain device, flow measurement device and air transporting arrangement set gradually from sampling end in sample lines.
7. the road dust load measurement system based on vehicle-mounted instrument according to claim 5, is characterized in that, the sampling end of described sample lines is arranged on the vehicle at vehicle tyre rear portion.
8. the road dust load measurement system based on vehicle-mounted instrument according to claim 5, is characterized in that, described flow measurement device is flow sensor;
And/or described air transporting arrangement is blower fan or air pump.
9. the road dust load measurement system based on vehicle-mounted instrument according to claim 5, is characterized in that, described data processing and output unit are computing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320508021.5U CN203422305U (en) | 2013-08-20 | 2013-08-20 | Road dust load measurement system based on vehicle-mounted instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320508021.5U CN203422305U (en) | 2013-08-20 | 2013-08-20 | Road dust load measurement system based on vehicle-mounted instruments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203422305U true CN203422305U (en) | 2014-02-05 |
Family
ID=50021400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320508021.5U Expired - Lifetime CN203422305U (en) | 2013-08-20 | 2013-08-20 | Road dust load measurement system based on vehicle-mounted instruments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203422305U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237094A (en) * | 2014-10-11 | 2014-12-24 | 北京市环境保护科学研究院 | Road surface retention dust load measuring device and measuring method |
| CN104237093A (en) * | 2014-10-11 | 2014-12-24 | 北京市环境保护科学研究院 | Road traffic rising dust control measure effect evaluation system and method |
| CN105222870A (en) * | 2015-10-23 | 2016-01-06 | 北京市环境卫生设计科学研究所 | A kind of road surface dust gathers weighing system |
| CN109044188A (en) * | 2018-09-13 | 2018-12-21 | 沈阳环境科学研究院 | A kind of dust on the roads comprehensive detection system |
| CN112304830A (en) * | 2020-09-27 | 2021-02-02 | 山东诺方电子科技有限公司 | Method for monitoring road dust load by using social vehicles |
| CN114264584A (en) * | 2021-12-27 | 2022-04-01 | 河北华清环境科技集团股份有限公司 | Vehicle-mounted mobile monitoring system and monitoring method |
| GB2620733A (en) * | 2022-07-13 | 2024-01-24 | Emissions Analytics Ltd | A vehicle emissions sampling device for sampling emissions from a wheel and/or brake of a vehicle |
-
2013
- 2013-08-20 CN CN201320508021.5U patent/CN203422305U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237094A (en) * | 2014-10-11 | 2014-12-24 | 北京市环境保护科学研究院 | Road surface retention dust load measuring device and measuring method |
| CN104237093A (en) * | 2014-10-11 | 2014-12-24 | 北京市环境保护科学研究院 | Road traffic rising dust control measure effect evaluation system and method |
| CN105222870A (en) * | 2015-10-23 | 2016-01-06 | 北京市环境卫生设计科学研究所 | A kind of road surface dust gathers weighing system |
| CN105222870B (en) * | 2015-10-23 | 2017-09-05 | 北京市环境卫生设计科学研究所 | Road surface dust collection weighing system |
| CN109044188A (en) * | 2018-09-13 | 2018-12-21 | 沈阳环境科学研究院 | A kind of dust on the roads comprehensive detection system |
| CN112304830A (en) * | 2020-09-27 | 2021-02-02 | 山东诺方电子科技有限公司 | Method for monitoring road dust load by using social vehicles |
| CN114264584A (en) * | 2021-12-27 | 2022-04-01 | 河北华清环境科技集团股份有限公司 | Vehicle-mounted mobile monitoring system and monitoring method |
| CN114264584B (en) * | 2021-12-27 | 2024-05-07 | 河北华清环境科技集团股份有限公司 | Vehicle-mounted mobile monitoring system and monitoring method |
| GB2620733A (en) * | 2022-07-13 | 2024-01-24 | Emissions Analytics Ltd | A vehicle emissions sampling device for sampling emissions from a wheel and/or brake of a vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203422305U (en) | Road dust load measurement system based on vehicle-mounted instruments | |
| Brantley et al. | Mobile air monitoring data-processing strategies and effects on spatial air pollution trends | |
| US8626467B2 (en) | Air pollution sampling system and method thereof | |
| Han et al. | Characterization of PM10 and PM2. 5 source profiles for resuspended road dust collected using mobile sampling methodology | |
| CN204808043U (en) | Micro air vehicle machine carries ambient air quality detecting system | |
| CN103149060B (en) | Sampler for realizing automatic constant-speed constant-flow acquisition of particles having different particle sizes in flow gas | |
| CN104237094A (en) | Road surface retention dust load measuring device and measuring method | |
| CN101113947A (en) | Devices and methods for measuring granular material discharged by vehicle | |
| CN102706782B (en) | Method for detecting weight of micro-particles exhausted by gasoline car | |
| CN105277397A (en) | Vehicle tail gas collection device as well as vehicle tail gas detection system and method | |
| CN114264584B (en) | Vehicle-mounted mobile monitoring system and monitoring method | |
| CN113281231B (en) | Dynamic monitoring and analyzing method for emission of dust particles in road network | |
| CN213813266U (en) | Detection apparatus for rapid monitoring road laying dust load | |
| CN103306186B (en) | Algorithm for detecting structure depth of cement concrete pavement | |
| CN103439231A (en) | Vehicle dust particle emission factor measurement system and method | |
| CN106803345B (en) | Data processing method of transverse acceleration signal detection system of test vehicle on mountain highway | |
| CN109061071A (en) | Heavy-duty car exhaust emissions follow the bus test macro and test method | |
| CN113514373A (en) | System and method for evaluating road cleanliness | |
| CN103196707B (en) | Double-channel bypass-type air particle cutter | |
| CN204086082U (en) | Road dust load-measuring device | |
| CN112577865A (en) | Road laying dust load navigation measuring system | |
| Zhang et al. | Direct measurement of brake and tire wear particles based on real-world driving conditions | |
| CN205175755U (en) | Vehicle exhaust collection device and vehicle exhaust detecting system | |
| KR20120035452A (en) | A dust measurement system being installed to a vehicle and measuring a dust occurred by the vehicle | |
| CN205483099U (en) | Motor vehicle exhaust flow measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140205 |