CN106546550A - Tail gas discharge measuring method and device under the actual riving condition of vehicle - Google Patents
Tail gas discharge measuring method and device under the actual riving condition of vehicle Download PDFInfo
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- 239000007789 gas Substances 0.000 claims description 108
- 238000001514 detection method Methods 0.000 claims description 48
- 238000010438 heat treatment Methods 0.000 claims description 37
- 238000005070 sampling Methods 0.000 claims description 31
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000004458 analytical method Methods 0.000 claims description 9
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
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Abstract
The present invention relates to tail gas discharge measuring device under a kind of actual riving condition of vehicle, including tail gas collecting unit, exhaust gas composition analytic unit, vehicle working condition detector unit and data processing unit；Tail gas collecting unit is used to gather the tail gas that the vehicle is discharged under actual riving condition, exhaust gas composition analytic unit is for being analyzed according to tail gas, determine the component information of the tail gas that vehicle is discharged under actual riving condition, vehicle working condition detector unit is used to determine work information of the vehicle under actual riving condition, data processing unit is for determining vehicle tail gas discharge measuring information under actual riving condition according to the work information of the component information and vehicle of tail gas, the apparatus structure of the present invention is simple, it is easy to carry, average weight, it is applicable to the emission test of various vehicles, and it is high for the certainty of measurement of gaseous contaminant and particulate matter, response time is fast, obtain data accurate, measurement process is easy, foundation can be provided for whether vehicle discharge reaches discharge standard.
Description
Technical field
The present invention relates to exhaust emissions is surveyed under motor vehicle detecting technical field, more particularly to a kind of actual riving condition of vehicle
Amount method and device.
Background technology
With the continuous improvement of China's Living consumption, the recoverable amount of motor vehicles is presented the trend for increasing year by year.Cut-off
The end of the year 2015, the recoverable amount of China's Light-duty Vehicle have reached 1.36 hundred million, and the recoverable amount of wherein private car reaches 1.24 hundred million.With this
Meanwhile, become increasingly conspicuous by the environmental problem that vehicular emission brings.There is research to point out, vehicular emission has become urban atmosphere
The main pollution contribution source of environment.In order to control vehicle emission pollution, China came into effect Light-Duty Gasoline Vehicle from 2000
State's I discharge standards start, progressively experienced the enforcement of state I, state II, state III, state IV and state's V discharge standards.
At present, the regulation detection method of China's Light-Duty Gasoline Vehicle is laboratory operating condition method, and the method is mainly by tested vechicle
Be fixed on laboratory rotary drum, by the test loop operating of regulation, car is calculated by measuring the discharge of whole test loop
Emission factor, and by comparing judging whether vehicle reaches discharge standard with the emission limit of regulation.
However, numerous studies show, existing laboratory operation condition testing method cannot reflect the actual discharge of vehicle completely
Level.This is because working conditions change of the vehicle during actual travel is complicated many compared with laboratory regulation measurement condition.Separately
Outward, the surrounding air environment of vehicle actual travel also has larger difference with laboratory standard environment.Therefore, it is existing urgently to solve
One of technical problem certainly is：How to develop new measuring technology scheme motor vehicles are discharged under actual driving cycles
Detection.
The content of the invention
For above-mentioned technical problem, the present invention proposes tail gas discharge measuring device under a kind of actual riving condition of vehicle, bag
Include tail gas collecting unit, exhaust gas composition analytic unit, vehicle working condition detector unit and data processing unit；
The tail gas collecting unit is used to gather the tail gas that the vehicle is discharged under actual riving condition；
The exhaust gas composition analytic unit is analyzed for the tail gas gathered according to the tail gas collecting unit, determines institute
State the component information of the tail gas that vehicle is discharged under the actual riving condition；
The vehicle working condition detector unit is used to determine work information of the vehicle under actual riving condition；
The data processing unit is determined for the work information of the component information according to the tail gas and the vehicle
Vehicle tail gas discharge measuring information under actual riving condition.
Alternatively, the tail gas collecting unit includes heating sampling pipeline；
The inner core of the heating sampling pipeline is provided with the material of corrosion-resistant and stable chemical nature；
Be provided with rustless steel reinforcement type mesh grid on the outside of the tube wall of the heating sampling pipeline, the mesh grid be used for buffering and
Protect the inner core；
One end of the heating sampling pipeline is connected with the exhaustor of the vehicle, and the other end and the exhaust gas composition point
Analysis unit is connected.
Alternatively, hot type tinsel is provided with the mesh grid, for providing uniformly for the heating sampling pipeline
Heating environment.
Alternatively, the heating sampling pipeline also includes temperature controller；
The temperature controller for by it is described heating sample pipeline heating and temperature control in preset range.
Alternatively, the exhaust gas composition analytic unit includes gas-detecting device and particulate matter detection means；
The gas-detecting device is used for the component and corresponding volumetric concentration for detecting gas in the tail gas；
The particulate matter detection means is used for the component and corresponding number concentration for detecting particulate matter in the tail gas.
Alternatively, the gas-detecting device includes：Carbon dioxide detection module, Carbon Monoxide Detection module and nitrogen oxygen
Compound detection module；
The carbon dioxide detection module, Carbon Monoxide Detection module and nitrogen oxides detection module are respectively used to detection
The concentration of carbon dioxide, carbon monoxide and oxides of nitrogen gas in the tail gas.
Alternatively, the exhaust gas composition analytic unit also includes heating and filtering device and condensing units；
The heating and filtering device and condensing units are set in turn in the air inlet of the exhaust gas composition analytic unit and institute
State between gas-detecting device；
The heating and filtering device is for being heated into the tail gas of the gas-detecting device by the air inlet
And filter；
The condensing units are for being heated into the tail gas of the gas-detecting device by the air inlet and mistake
Filter.
Alternatively, the exhaust gas composition analytic unit also includes signal processing unit and data transmission unit；
The signal processing unit is for the component of gas that detects to the gas-detecting device and corresponding volume
The component and corresponding number concentration of the particulate matter of concentration and particulate matter detection means detection carries out conversion process；
The data transmission unit is used to store and be transferred through the signal processing unit to carry out the data of conversion process.
Alternatively, the exhaust gas composition analytic unit also includes the first vacuum pump and the second vacuum pump；
First vacuum pump is located between the condenser and the gas-detecting device；
Second vacuum pump be located at the particulate matter detection means and the exhaust gas composition analytic unit air vent it
Between.
Alternatively, the vehicle working condition detector unit includes environment weather recording equipment, GPS working condition acquiring devices；
The environment weather recording equipment is used for the atmospheric environmental parameters for detecting the vehicle periphery；
The GPS working condition acquirings device is used to gather the current work information of the vehicle.
Under the actual riving condition of vehicle of the present invention, tail gas discharge measuring apparatus structure is simple, easy to carry, average weight,
The emission test of various vehicles (especially Light-duty Vehicle) is applicable to, and meets state for gaseous contaminant and particulate matter are adopted
Family's Abgasgesetz accepted standard detection method, with certainty of measurement it is high, response time is fast, obtain data accurately and reliably, measurement
The easy advantage of process operation, and the true emission factor of tested vehicle can be calculated, it is whether vehicle discharge reaches row
Put standard and foundation is provided.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
These accompanying drawings obtain other accompanying drawings.
Structural representations of the Fig. 1 for tail gas discharge measuring device under the actual riving condition of vehicle of one embodiment of the invention
Figure；
Structural representations of the Fig. 2 for the exhaust gas composition analytic unit of one embodiment of the invention；
COs of the Fig. 3 for one embodiment of the invention2With the structural representation of CO detection modules；
Structural representations of the Fig. 4 for the NOx detection modules of one embodiment of the invention；
Structural representations of the Fig. 5 for tail gas discharge measuring device under the actual riving condition of vehicle of another embodiment of the present invention
Figure；
Front views of the Fig. 6 for the exhaust gas composition analyser of one embodiment of the invention；
Speed and the concentration change relation schematic diagram of NO of the Fig. 7 for the test vehicle of one embodiment of the invention.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is explicitly described, it is clear that described embodiment be the present invention
A part of embodiment, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of making creative work, belongs to the scope of protection of the invention.
Structural representations of the Fig. 1 for tail gas discharge measuring device under the actual riving condition of vehicle of one embodiment of the invention
Figure, as shown in figure 1, the device include tail gas collecting unit 10, exhaust gas composition analytic unit 20, vehicle working condition detector unit 30 with
And data processing unit 40, wherein：
Tail gas collecting unit 10 is used to gather the tail gas that the vehicle is discharged under actual riving condition；
Specifically, tail gas collecting unit 10 can also include heating sampling pipeline, with by the heating sampling pipeline
Gather the tail gas that the vehicle is discharged under actual riving condition.Wherein, the inner core of the heating sampling pipeline is provided with corrosion-resistant
And rustless steel reinforcement type mesh grid, the volume are provided with the outside of the material of stable chemical nature, and the tube wall of the heating sampling pipeline
Knitmesh is used to buffer and protect the inner core；
The characteristics of for automotive emission pollutant, the present embodiment, heat sampling pipeline using specially designed, its
It is mainly used in the sampling and pretreatment of light-duty tail gas.For example, the overall length of the heating sampling pipeline can be 3.5 meters, diameter
Can be 50mm, a diameter of 8mm of inner core, and using with the more stable material of corrosion-resistant and chemical property, such as polytetrafluoroethyl-ne
Alkene pipe or PFA pipes, to ensure that chemical composition of the sample gas in transportation does not change.
Further, as the preferred of embodiment, on the outside of the tube wall of heating sampling pipeline, adopt one layer of rustless steel reinforcement type
Mesh grid buffering and protect inner core pipeline, and at the two ends of sampling pipeline by high-temperature resistant rubber fixing mesh grid.Specifically
Ground, also includes hot type spiral ferrum-chromium-aluminum or fe-cr-ni alloy tinsel in the middle of the mesh grid, the spiral metal wire heat conduction is fast, and
Uniform heating environment can be provided.
On this basis, the outer layer of mesh grid adopts PTFE or silicon rubber insulation to be incubated, and the outermost layer of whole pipeline is ripple
Stricture of vagina nylon or polyurethane material are made, and this kind of material has the characteristic of wear resistant corrosion resistant, so as to whole sampling pipeline can be protected to exist
Will not be damaged when being acted on by stronger external force and fracture.
Further, tail gas collecting unit 10 also includes power supply, temperature control cable and temperature controller, wherein：Cable
Full-length is 3m, and power terminal is 7 needle adapters (respectively power positive cathode, double switch and three road temperature controllers)；It is described
The effect of temperature controller is the temperature of the whole heating sampling pipeline of monitoring：Heater is closed when temperature is too high；When the temperature is too low
Open heater, so as to maintain heating sampling pipeline in the range of preset temperature (such as 190 DEG C).The front end peace of heating sampling pipeline
Equipped with the hickey matched with effusion meter thief hatch, the effusion meter is installed on motor-vehicle tail-gas seam, heats sampling tube
The end of line is installed by the sealing fast interface matched with exhaust gas composition analytic unit 20.
Exhaust gas composition analytic unit 20 is analyzed for the tail gas gathered according to the tail gas collecting unit, it is determined that described
The component information of the tail gas that vehicle is discharged under the actual riving condition；
Specifically, the exhaust gas composition analytic unit 20 can be multicomponent pollutant analyser (its internal structure such as Fig. 2 institutes
Show), the analyser is mainly used in testing by heating CO in the tail gas that sampling pipeline is collected2, CO, NOx (NO and NO2) body
The number concentration (Particle Number, PN) of product concentration and granule, all tests tail gas and is directly adopted from effusion meter
Collection, then enters the air inlet of analyser by heating pipeline.
In order to remove the moisture in gas circuit, the present embodiment has carried out special pretreatment to gas of sampling, has such as entered vacuum
Arrange Nafion pipes to be dried before pump, then the pressure of 0.2Mpa is provided for gas circuit by vacuum pump so that gas is entered to be surveyed
Die trial block, it is measured that measurement signal is transported to into signal processing control unit by analysis module afterwards, will change what is extracted
Data Cun Chudao data storage transmission unit.
Vehicle working condition detector unit 30 is used to determine work information of the vehicle under actual riving condition；
Data processing unit 40 is for determining institute according to the work information of the component information of the tail gas and the vehicle
State vehicle tail gas discharge measuring information under actual riving condition.
Tail gas discharge measuring device under the actual riving condition of vehicle of the present embodiment, simple structure, easy to carry, weight are fitted
In, the emission test of various vehicles (especially Light-duty Vehicle) is applicable to, and for gaseous contaminant and particulate matter are using symbol
Close national Abgasgesetz accepted standard detection method, with certainty of measurement it is high, response time is fast, obtain data accurately and reliably,
Measurement process advantage easy to operate, and the true emission factor of tested vehicle can be calculated, it is whether vehicle discharge reaches
Foundation is provided to discharge standard.
Further, as the preferred of said apparatus embodiment, exhaust gas composition analytic unit 20 specifically may include CO2And CO
Detection module (NDIR analysis modules).Specifically, Fig. 3 shows the CO of one embodiment of the invention2With the knot of CO detection modules
Structure, as shown in figure 3, the CO2With CO detection modules using CO in infrared absorption method measurement tail gas2With the volumetric concentration of CO, its principle
It is：CO2The infrared light of specific wavelength selectively can be absorbed with CO molecules, go out infrared luminous energy in its corresponding spectral line
The decay of amount, can be calculated the concentration of tested gas according to Lambert-Beer's law.
As shown in figure 3, the core component of the NDIR analysis modules includes infrared light supply, diaphragm, air chamber, the filter of infrared arrowband
Mating plate, Infrared Detectorss and hardware circuit part etc., its main element are a cylindric air chambers, and two ends have one respectively
Air inlet and gas outlet, therefore, the NDIR analysis modules are simultaneously as light path system and the main element of air-channel system.The air chamber
Two ends have been respectively mounted infrared light supply and Infrared Detectorss, and before the infrared light supply and Infrared Detectorss are respectively provided with one
Diaphragm, is passed through with the infrared light for controlling specific wavelength.
Further, the pulse signal by single-chip microcomputer (MCU) the generation certain frequency in light source driving circuit is red to control
Outer light source, the parallel infrared light with continuous spectrum that the infrared light supply sends, first Jing infrared window pieces are filtered, filter
Infrared light that is a part of and not needing wave band, to the under test gas full of air chamber, infrared energy can be by gas to be measured for parallel radiation
Body absorbs, and is equally filtered through a diaphragm again, and then through the selectivity of the optical filter before detector
Through being irradiated on Infrared Detectorss.Light energy after being actually taken up by gas is converted to the signal of telecommunication by the Infrared Detectorss, and this is faint
Signal after the amplification of highdensity detection circuit, be sent to MCU process as sampled data, MCU control circuit will
The data for sampling are analyzed and are sent to host computer by serial ports.
For example, the technical parameter of the NDIR test modules is as shown in following table one：
The technical parameter of one NDIR test modules of table
As shown in table one kind, when measurement result is less, using relative percentage；And when measurement result is larger, adopt
Error Absolute Value.
Further, as the preferred of said apparatus embodiment, exhaust gas composition analytic unit 20 specifically may include that NOx is detected
Module (chemoluminescence method CLD detection modules), the module measure NO and NO in aerofluxuss using electrochemical principle2Volume it is dense
Degree.Specifically, Fig. 4 shows the structure of the NOx detection modules of one embodiment of the invention, as shown in figure 4, the NOx detects mould
The concrete measuring principle of block is：After tested tail gas enters NOx detection modules, the NO in aerofluxuss2NO can be passed through2Transducer will
NO2NO is converted into, concrete reaction equation is shown below：
NO2+C→NO+CO (1)
2NO2+C→2NO+CO2 (2)
Tested gas sample of the order containing NO and ozone meet in gas reaction chamber, will produce following chemical reactions：
NO+O3→NO2*+O2 (3)
NO2*→NO2+hv (4)
Wherein, NO2* it is the nitrogen dioxide of excited state, accounts for NO2The 8%～10% of growing amount.These excited state molecules to
Ground state NO2The light quantum hv of wavelength 590～2500nm scopes is projected during transition, in O3In the case of stable excess, luminous intensity with
NO mass into reative cell is directly proportional.This optical signal can be changed into the signal of telecommunication using photomultiplier tube to be exported, institute
The NO volumetric concentrations in sample gas are represented by the numerical value for measuring.
On this basis, with reference to NO2The part of conversion, can be calculated the volumetric concentration of NOx.
It is understood that the sensitivity in order to improve chemoluminescence method oxynitride analyser, will increase ozone as far as possible
Concentration, it is ensured that have the O of stable excess in reaction3。
Meanwhile, in order to eliminate interference of other gases to analytical equipment, first had to pass through before to tested gas analyses
Near infrared light glass filter.
For example, the technical parameter of above-mentioned chemoluminescence method CLD detection modules can be as shown in following table two：
The technical parameter table of two chemoluminescence method CLD detection modules of table
Further, as the preferred of said apparatus embodiment, exhaust gas composition analytic unit 20 specifically may include particulate matter
Number concentration (PN) detection module, the PN detection modules are popped one's head in using detached exhaust sampling and control unit, can be effective
Ground diluted sample gas at the exhaustor, to ensure accurate measurement.
The PN detection modules of the present embodiment specifically measure particulate matter number concentration using diffusion particle magnitude classification device, and unite
The average diameter size of meter nano-scale particle.The measuring principle of the PN modules is：Particulate matter is entered using charge charging principle
Row is counted, and charging device charges to granule first, using the granule that migration electrode capture is minimum, using the impinger capture of classification
The granule of other particle diameter sections, determines the numbers of particles of different-grain diameter section, PN by the detection to different-grain diameter section particle charge amount
The particular technique parameter of detection module is as shown in following table three：
The particular technique parameter of three PN detection modules of table
Further, Fig. 5 shows tail gas discharge measuring under the actual riving condition of the vehicle of another embodiment of the present invention
The structure of device, as shown in figure 5, used as the preferred of above-mentioned each device embodiment, vehicle working condition detector unit 30 can include ring
Border meteorological record device, GPS working condition acquiring devices, wherein：
Environment weather station is mainly used in measuring the parameters such as temperature, humidity and the atmospheric pressure of motor vehicles ambient atmosphere environment,
The core component of the environment weather recording equipment includes Temperature Humidity Sensor and barometric pressure sensor two parts.Wherein, pressure
Sensor can adopt PX138 models；Temperature Humidity Sensor can adopt the SHT7 types temperature humidity sensing of SENSIRION companies production
Device, the sensor include a condenser type polymer hygrometric element and an energy gap type temperature element, and the A/D with 14
Transducer and serial interface circuit are realized being seamlessly connected on the same chip, and the response of the sensor is very fast, capacity of resisting disturbance
By force, its supply voltage is 2.4～5.5V.Further, Fig. 6 shows the exhaust gas composition analyser of one embodiment of the invention
Front view, illustrated therein is the interface of the parts such as environment weather recording equipment, GPS working condition acquiring devices.
Specifically, the parameters of the environment weather monitor can be as shown in following table four：
The technical parameter of four environment aerograph of table
It should be noted that the temperature and pressure sensor of the present embodiment by the data information memory for collecting to tester
SD card on, and specific receiving terminal can be transferred to wireless mode by tester, so as to realize to vehicle running environment
Real time record.
Further, above-mentioned GPS working condition acquirings equipment can be made up of gps antenna and data reception processing two large divisions, GPS
Antenna receives the satellite navigation message sent by satellite, is calculated by data receiver process part, calculates the Jing of Current vehicle
The work informations such as degree, latitude, height above sea level, speed per hour, direction and time, and the main body SD storage of emission analyzer is stored by serial ports
Device, and then specific receiving terminal is transferred to by wireless mode by tester, so as to realize to motor vehicle driving operating mode by the second
Record.
It is understood that the data of the collection of the present embodiment mainly include two parts：I.e. a part is multicomponent analysis
The concentration data of the various pollutant that device is detected；Another part is the components such as GPS, environment weather station, heating sampling pipeline
Test data.This two parts data is initially stored on the SD storage cards in analyser, and is wirelessly transferred mould using analyzer
Block carries out real-time Transmission to comprehensive data.
Further, in exhaust emissions of the invention measurement, device may also include onboard diagnostic system (On-Board
Diagnostic, OBD) monitor, power supply adaptor etc..Wherein, OBD monitors in succession, can pass through by with vehicle OBD interfaces
The engine speed of specific communications protocol reading vehicle, moment of torsion, fuel consumption, three-element catalytic parameter etc..Power supply adaptor
Effect be by 220V AC conversions be 12V unidirectional currents, so as to power for whole system.
It should be noted that the device of the present invention also can directly adopt 12V direct battery powers.
Further, the exhaust emissions measurement apparatus of the present invention are arranged in a Light-duty Vehicle one carried out under the conditions of RDE
Secondary test, whole system are powered using Vehicular accumulator cell, and whole test process have recorded 1000 seconds altogether, and Fig. 7 shows this survey
The speed of examination and the concentration change relation of NO, as shown in figure 5, the concentration of NO is obvious with the change fluctuation of speed, high NO concentration
Mainly appear on speed it is higher when, particularly in acceleration area.
By above-mentioned technical proposal, the exhaust emissions measurement apparatus of the present invention can be high by Multi-Component Gas Analyzing equipment
Degree is integrated into Portable exhaust gas analyzer, and the CLD method of testings and NDIR method of testings for testing the employing of gas pollutant concentration is equal
For the standard method of the test of regulation before, its measurement result accuracy height.
Additionally, eliminating the interference that other gases are measured to object gas using filter plate, test data adopts the SD of itself
Card storage and long distance wireless send two methods of storage and detection data are stored, and ensure that the safety of detection data
Property.It is understood that being conducive to testing staff in very first time remote discovery test system using data wireless transmission mode
And the emission problem of electromotor.
The exhaust emissions measurement apparatus of the present invention can be realized Light-duty Vehicle being carried out discharge survey is carried out under actual riving condition
Examination, the apparatus structure is simple, easy to carry, average weight, is applicable to the emission test of various Light-duty Vehicles；For gaseous contamination
, using meeting national Abgasgesetz accepted standard detection method, the precision of measurement is higher for thing and particulate matter, response time compared with
Hurry up, accurately and reliably, whole measurement process is easy to operate for the data of acquisition；And Light-duty Vehicle can be obtained (include in all kinds road
Expressway, city thoroughfare, secondary distributor road, rural road) under by the second concentration of emission and extraction flow, with reference to the row that GPS gathers are arrived
Data are sailed, the true emission factor of tested vehicle can be calculated, whether the test data of gained can be reached as vehicle discharge
The foundation of discharge standard.
Above example is merely to illustrate technical scheme, rather than a limitation；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：Which still can be to aforementioned each enforcement
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these are changed or replace
Change, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. tail gas discharge measuring device under a kind of actual riving condition of vehicle, it is characterised in that including tail gas collecting unit, tail gas
Component analyses unit, vehicle working condition detector unit and data processing unit；
The tail gas collecting unit is used to gather the tail gas that the vehicle is discharged under actual riving condition；
The exhaust gas composition analytic unit is analyzed for the tail gas gathered according to the tail gas collecting unit, determines the car
The component information of the tail gas discharged under the actual riving condition；
The vehicle working condition detector unit is used to determine work information of the vehicle under actual riving condition；
The data processing unit is for according to the work information determination of the component information and the vehicle of the tail gas
Vehicle tail gas discharge measuring information under actual riving condition.
2. device according to claim 1, it is characterised in that the tail gas collecting unit includes heating sampling pipeline；
The inner core of the heating sampling pipeline is provided with the material of corrosion-resistant and stable chemical nature；
Rustless steel reinforcement type mesh grid is provided with the outside of the tube wall of the heating sampling pipeline, the mesh grid is used to buffer and protect
The inner core；
One end of the heating sampling pipeline is connected with the exhaustor of the vehicle, and the other end is single with exhaust gas composition analysis
Unit is connected.
3. device according to claim 2, it is characterised in that hot type tinsel is provided with the mesh grid, is used for
Uniform heating environment is provided for the heating sampling pipeline.
4. device according to claim 3, it is characterised in that the heating sampling pipeline also includes temperature controller；
The temperature controller for by it is described heating sample pipeline heating and temperature control in preset range.
5. device according to claim 1, it is characterised in that the exhaust gas composition analytic unit includes gas-detecting device
With particulate matter detection means；
The gas-detecting device is used for the component and corresponding volumetric concentration for detecting gas in the tail gas；
The particulate matter detection means is used for the component and corresponding number concentration for detecting particulate matter in the tail gas.
6. device according to claim 5, it is characterised in that the gas-detecting device includes：Carbon dioxide detects mould
Block, Carbon Monoxide Detection module and nitrogen oxides detection module；
It is described that the carbon dioxide detection module, Carbon Monoxide Detection module and nitrogen oxides detection module are respectively used to detection
The concentration of carbon dioxide, carbon monoxide and oxides of nitrogen gas in tail gas.
7. device according to claim 5, it is characterised in that the exhaust gas composition analytic unit is also filled including heating and filtering
Put and condensing units；
The heating and filtering device and condensing units are set in turn in the air inlet and the gas of the exhaust gas composition analytic unit
Between body detection means；
The heating and filtering device is for being heated into the tail gas of the gas-detecting device by the air inlet and mistake
Filter；
The condensing units are for being heated and being filtered into the tail gas of the gas-detecting device by the air inlet.
8. device according to claim 5, it is characterised in that the exhaust gas composition analytic unit also includes signal processing list
Unit and data transmission unit；
The signal processing unit is for the component of gas that detects to the gas-detecting device and corresponding volumetric concentration
Conversion process is carried out with the component and corresponding number concentration of the particulate matter of particulate matter detection means detection；
The data transmission unit is used to store and be transferred through the signal processing unit to carry out the data of conversion process.
9. device according to claim 7, it is characterised in that the exhaust gas composition analytic unit also includes the first vacuum pump
With the second vacuum pump；
First vacuum pump is located between the condenser and the gas-detecting device；
Second vacuum pump is located between the particulate matter detection means and the air vent of the exhaust gas composition analytic unit.
10. device according to claim 1, it is characterised in that the vehicle working condition detector unit includes that environment weather is remembered
Recording device, GPS working condition acquiring devices；
The environment weather recording equipment is used for the atmospheric environmental parameters for detecting the vehicle periphery；
The GPS working condition acquirings device is used to gather the current work information of the vehicle.
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| CN201610875825.7A CN106546550A (en) | 2016-09-30 | 2016-09-30 | Tail gas discharge measuring method and device under the actual riving condition of vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875825.7A CN106546550A (en) | 2016-09-30 | 2016-09-30 | Tail gas discharge measuring method and device under the actual riving condition of vehicle |
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| CN201610875825.7A Pending CN106546550A (en) | 2016-09-30 | 2016-09-30 | Tail gas discharge measuring method and device under the actual riving condition of vehicle |
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| CN107389868A (en) * | 2017-08-08 | 2017-11-24 | 南京埃森环境技术股份有限公司 | A kind of ship tail gas on-line monitoring and control system |
| CN108007699A (en) * | 2017-12-28 | 2018-05-08 | 清华大学 | A kind of modular pollutant of vehicle exhaust on-board emission test platform |
| CN108548785A (en) * | 2018-04-28 | 2018-09-18 | 陈梦 | Ship tail gas on-line monitoring system |
| CN108760591A (en) * | 2018-04-10 | 2018-11-06 | 天津世纪动力科技发展有限公司 | A kind of Vehicular exhaust contaminant measurement device |
| CN109085292A (en) * | 2018-08-01 | 2018-12-25 | 中国汽车技术研究中心有限公司 | A kind of tail gas of heavy-duty vehicle device for fast detecting |
| CN109932191A (en) * | 2019-03-15 | 2019-06-25 | 中国汽车技术研究中心有限公司 | A kind of real road driving cycle library and construction method |
| CN110988271A (en) * | 2019-12-27 | 2020-04-10 | 厦门通创检测技术有限公司 | Vehicle-mounted emission detection device |
| CN112229966A (en) * | 2020-11-05 | 2021-01-15 | 北京卡达克汽车检测技术中心有限公司 | Tail gas detection device and system |
| CN112882407A (en) * | 2020-12-31 | 2021-06-01 | 闳约深美江苏信息技术开发有限公司 | Automobile exhaust real-time monitoring equipment based on Internet of things |
| CN113311114A (en) * | 2021-05-27 | 2021-08-27 | 河南省计量科学研究院 | Mobile calibration detection system of tail gas remote measuring device |
| CN114720633A (en) * | 2022-02-28 | 2022-07-08 | 上海和夏骏智科技有限公司 | RDE (remote data analysis) emission test method and system |
| CN115372080A (en) * | 2021-05-17 | 2022-11-22 | 苏州工业园区元素机动车检测服务有限公司 | Road inspection integrated portable detection equipment and method for sampling automobile exhaust |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389868A (en) * | 2017-08-08 | 2017-11-24 | 南京埃森环境技术股份有限公司 | A kind of ship tail gas on-line monitoring and control system |
| CN108007699B (en) * | 2017-12-28 | 2023-09-29 | 清华大学 | Modularized vehicle-mounted emission test platform for tail gas pollutants of motor vehicle |
| CN108007699A (en) * | 2017-12-28 | 2018-05-08 | 清华大学 | A kind of modular pollutant of vehicle exhaust on-board emission test platform |
| CN108760591A (en) * | 2018-04-10 | 2018-11-06 | 天津世纪动力科技发展有限公司 | A kind of Vehicular exhaust contaminant measurement device |
| CN108548785A (en) * | 2018-04-28 | 2018-09-18 | 陈梦 | Ship tail gas on-line monitoring system |
| CN109085292A (en) * | 2018-08-01 | 2018-12-25 | 中国汽车技术研究中心有限公司 | A kind of tail gas of heavy-duty vehicle device for fast detecting |
| CN109085292B (en) * | 2018-08-01 | 2024-05-14 | 中国汽车技术研究中心有限公司 | Heavy vehicle tail gas rapid detection device |
| CN109932191A (en) * | 2019-03-15 | 2019-06-25 | 中国汽车技术研究中心有限公司 | A kind of real road driving cycle library and construction method |
| CN110988271A (en) * | 2019-12-27 | 2020-04-10 | 厦门通创检测技术有限公司 | Vehicle-mounted emission detection device |
| CN112229966A (en) * | 2020-11-05 | 2021-01-15 | 北京卡达克汽车检测技术中心有限公司 | Tail gas detection device and system |
| CN112882407A (en) * | 2020-12-31 | 2021-06-01 | 闳约深美江苏信息技术开发有限公司 | Automobile exhaust real-time monitoring equipment based on Internet of things |
| CN115372080A (en) * | 2021-05-17 | 2022-11-22 | 苏州工业园区元素机动车检测服务有限公司 | Road inspection integrated portable detection equipment and method for sampling automobile exhaust |
| CN113311114A (en) * | 2021-05-27 | 2021-08-27 | 河南省计量科学研究院 | Mobile calibration detection system of tail gas remote measuring device |
| CN114720633A (en) * | 2022-02-28 | 2022-07-08 | 上海和夏骏智科技有限公司 | RDE (remote data analysis) emission test method and system |
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Application publication date: 20170329 |