CN106178934A - A kind of eco-friendly car vehicle emission measurement system - Google Patents
A kind of eco-friendly car vehicle emission measurement system Download PDFInfo
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- CN106178934A CN106178934A CN201610548797.8A CN201610548797A CN106178934A CN 106178934 A CN106178934 A CN 106178934A CN 201610548797 A CN201610548797 A CN 201610548797A CN 106178934 A CN106178934 A CN 106178934A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
- B01D2279/30—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for treatment of exhaust gases from IC Engines
Abstract
The invention discloses a kind of eco-friendly car vehicle emission measurement system, belong to automobile emission gas analyzer field, eco-friendly car vehicle emission measurement system includes main gas analyser, controller, exhaust collection device and chassis dynamometer, described chassis dynamometer is for measuring the dynamic index of tested vehicle, described controller controls described main gas analyser and detects the discharge index of described tested vehicle, described exhaust collection device is positioned at the outlet of described tested vehicle, and be connected with described main gas analyser, also include the gas purifier for tail gas is purified, described gas purifier is connected with the air vent of described main gas analyser.Eco-friendly car vehicle emission measurement system disclosed by the invention, by arranging gas purifier so that the tail gas flowing through automobile exhaust detection system is purified process at the gas discharge outlet of automobile exhaust detection system.
Description
Technical field
The present invention relates to automobile emission gas analyzer field, particularly relate to a kind of eco-friendly car vehicle emission measurement system.
Background technology
Automobile exhaust detection system is a kind of for detecting the detection system of various elemental gas content's index in vehicle exhaust
System.Automobile exhaust detection system usually utilizes part light infrared ray or electrochemical sensor to Main Components in automobile exhaust
CO、H2S、CH4、HC、NOX, benzene and CO2Measure analysis.
Chinese patent literature CN101299031 discloses a kind of automobile emission gas analyzer side based on gas sensor array
Method, including CO gas sensor, NO2Gas sensor, combustible gas sensor, temperature sensor and humidity sensor.Inspection
Survey method has installation gas sensor array to demarcate and automobile exhaust detection system, and gas sensor array is in pure air
Characteristic is demarcated, and the sensitivity characteristic of single-component gas is demarcated by gas sensor array, and gas sensor array is in vehicle exhaust
The sensitivity characteristic of THC is demarcated, the gas sensor array test to mixed gas accuracy of detection, gas sensor
Array is applied to detection and the analysis of vehicle exhaust.The method for detecting automobile exhaust gas that this patent relates to, although sensor can be passed through
The composition of vehicle exhaust is detected by array, but vehicle exhaust is not carried out evolution process after its detection, causes detection
After vehicle exhaust discharge in an atmosphere, to environment.
Summary of the invention
In order to overcome the defect of prior art, the technical problem to be solved is to propose a kind of eco-friendly car
Vehicle emission measurement system, by arranging gas purifier so that flow through automobile at the gas discharge outlet of automobile exhaust detection system
The tail gas of vehicle emission measurement system is purified process.
For reaching this purpose, the present invention by the following technical solutions:
The eco-friendly car vehicle emission measurement system that the present invention provides, including main gas analyser, controller, exhaust collection device
And chassis dynamometer, described chassis dynamometer is for measuring the dynamic index of tested vehicle, and described controller controls described master
The discharge index of described tested vehicle is detected by gas analyser, and described exhaust collection device is positioned at the row of described tested vehicle
Exit, and be connected with described main gas analyser, also include the gas purifier for tail gas is purified, described
Gas purifier is connected with the air vent of described main gas analyser.
In the present invention preferably embodiment, on the pipeline that described gas purifier is connected with described main gas analyser
Being provided with booster pump, described booster pump is electrically connected with described controller.
In the present invention preferably embodiment, described gas purifier includes that active carbon filter screen, electrostatic precipitation net, light touch
Matchmaker's disinfector and aerator, described active carbon filter screen is positioned at the lower section of described electrostatic precipitation net, and described electrostatic precipitation net is positioned at
The lower section of described photocatalyst antiseptic device, described photocatalyst antiseptic device is positioned at the lower section of described aerator, from described gas purifier
Air inlet flow into described tail gas, under the effect of described aerator, flow through described active carbon filter screen, described electrostatic successively
Basket strainer and described photocatalyst antiseptic device.
In the present invention preferably embodiment, described gas purifier also includes multiple UV point source, multiple described UV
Point source is between described active carbon filter screen and described electrostatic precipitation net and/described electrostatic precipitation net and described photocatalyst antiseptic
Between device.
In the present invention preferably embodiment, also include secondary gas analyser, described exhaust collection device and described secondary gas
Being provided with dilution air on the pipeline that body analyser is connected, described controller is electrically connected with described secondary gas analyser, described
Controller controls the tail gas discharge index after described dilution air is diluted by described secondary gas analyser and calibrates.
In the present invention preferably embodiment, the air vent of described secondary gas analyser is connected with described gas purifier
Logical.
In the present invention preferably embodiment, described secondary gas analyser includes secondary sensor assembly, secondary A/D modulus of conversion
Block and sub signal transport module, the detection signal that described secondary sensor assembly produces, through described secondary A/D module processing
After, by the transmission of described sub signal transport module to described controller.
In the present invention preferably embodiment, described secondary sensor assembly includes CO sensor, H2Sensor and CO2
Sensor, described CO sensor, described H2Sensor and described CO2Sensor all electrically connects with described secondary A/D modular converter
Connect.
In the present invention preferably embodiment, described main gas analyser includes master reference module, main A/D modulus of conversion
Block and main signal transport module, the detection signal that described master reference module produces, through described main A/D module processing
After, by the transmission of described main signal transport module to described controller.
In the present invention preferably embodiment, described master reference module includes CO sensor, H2Sensor, HC pass
Sensor, NOXSensor, CH4Sensor, benzene sensor and CO2Sensor, described CO sensor, described H2Sensor, described
HC sensor, described NOXSensor, described CH4Sensor, described benzene sensor and described CO2Sensor all with described main A/
D modular converter is electrically connected with.
The invention have the benefit that
The eco-friendly car vehicle emission measurement system that the present invention provides, is provided with gas purifier, the gas of gas purifier
Entrance is connected, so that flow through main gas analyser and pair with the gas outlet of main gas analyser and secondary gas analyser
The tail gas of gas analyser is purified process, beneficially environmental conservation.Gas purifier is by active carbon filter screen, electrostatic precipitation
The structure compositions such as net, photocatalyst antiseptic device and UV point source, can not only filter the harmful gas in tail gas, and can be to car
Tail gas carries out disinfection, and has purified the tail gas discharged by automobile exhaust detection system greatly.
Accompanying drawing explanation
Fig. 1 is the structure chart of the eco-friendly car vehicle emission measurement system provided in the specific embodiment of the invention;
Fig. 2 is the structure chart of the gas purifier provided in the specific embodiment of the invention;
Fig. 3 is the structure chart of the main gas analyser provided in the specific embodiment of the invention;
Fig. 4 is the structure chart of the secondary gas analyser provided in the specific embodiment of the invention.
In figure:
1, main gas analyser;2, controller;3, exhaust collection device;4, chassis dynamometer;5, gas purifier;6, supercharging
Pump;51, active carbon filter screen;52, electrostatic precipitation net;53, photocatalyst antiseptic device;54, aerator;55, UV point source;7, secondary gas
Analyser;8, dilution air;71, secondary sensor assembly;72, secondary A/D modular converter;73, sub signal transport module;11, main biography
Sensor module;12, main A/D modular converter;13, main signal transport module;101, CO sensor;102、H2Sensor;103、CO2
Sensor;104, HC sensor;105、NOXSensor;106、CH4Sensor;107, benzene sensor.
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
As it is shown in figure 1, the eco-friendly car vehicle emission measurement system provided in the present embodiment, including main gas analyser 1, control
Device 2 processed, exhaust collection device 3, chassis dynamometer 4 and gas purifier 5, chassis dynamometer 4 is for measuring the dynamic of tested vehicle
Power index, controller 2 controls main gas analyser 1 and detects the discharge index of tested vehicle.Exhaust collection device 3 be positioned at by
At the outlet of measuring car, and being connected with main gas analyser 1, the tail gas that tested vehicle is discharged collected by exhaust collection device 3
After, a part of tail gas is directed in main gas analyser 1 and detects, and enter in testing result is sent to controller 2
Row processes further, thus obtains the exhaust emissions index of tested vehicle, and the exhaust emissions index of tested vehicle is being controlled
Show on display screen on device 2, in order to testing staff observes testing result.Gas purifier 5 and main gas analyser 1
Air vent is connected, and tail gas, after main gas analyser 1 detects, is transmitted to gas by the air vent of main gas analyser 1
Body depurator 5 carries out purified treatment, is then exhausted from the cleaned air after purified treatment.Further, in order to control main gas
Tail gas flowing gas depurator 5 flow that analyser 1 is discharged, on the pipeline that gas purifier 5 is connected with main gas analyser 1
Being provided with booster pump 6, booster pump 6 is electrically connected with controller 2, and booster pump 6 can be by main gas analyser 1 mass rate of emission control
System enters gas purifier 5 tail gas flow.
So that gas purifier 5 has stronger air purification efficiency and clean-up effect, further, gas purification
Device 5 includes active carbon filter screen 51, electrostatic precipitation net 52, photocatalyst antiseptic device 53 and aerator 54, and active carbon filter screen 51 is positioned at
The lower section of electrostatic precipitation net 52, main filtration big dust particle, hair and floating thing etc., electrostatic precipitation net 52 is positioned at photocatalyst
The lower section of disinfector 53, is mainly used to allow after dust microparticle is ionized to adsorb at electrostatic precipitation net 52 self-filtering on the net,
Electrostatic precipitation net 52 can remove major part dust microparticle, and photocatalyst antiseptic device 53 is positioned at the lower section of aerator 54, is mainly used in
Remove the non-polar components in air, and there is stronger bactericidal action.The tailstock flowed into from the air inlet of gas purifier 5
Gas, under the effect of aerator 54, flows through active carbon filter screen 51, electrostatic precipitation net 52 and photocatalyst antiseptic device 53 successively,
Air vent from gas purifier 5 top is discharged eventually.In order to further enhance the bactericidal effect of gas purifier 5, further
, gas purifier 5 also includes multiple UV point source 55, and UV point source 55 is a kind of new type light source, uses LED point light source raw
Become.Multiple UV point sources 55 are between active carbon filter screen 51 and electrostatic precipitation net 52;Or multiple UV point sources 55 are positioned at quiet
Between electric precipitation net 52 and photocatalyst antiseptic device 53;Or multiple UV point sources 55 are positioned at active carbon filter screen 51 and electrostatic precipitation net
Between 52 and between electrostatic precipitation net 52 and photocatalyst antiseptic device 53.
More accurate in order to ensure the discharge index that eco-friendly car vehicle emission measurement system detects, eco-friendly car tail gas is examined
Examining system also includes secondary gas analyser 7, and secondary gas analyser 7 can obtain discharge index to the detection of main gas analyser 1 and enter
Row further calibration.In order to the detection object of main gas analyser 1 and secondary gas analyser 7 is made a distinction, exhaust collection
Another part tail gas that device 3 is collected flows into secondary gas analyser 7, the pipeline that exhaust collection device 3 is connected with secondary gas analyser 7
On be provided with dilution wind 8, controller 2 is electrically connected with secondary gas analyser 7, and controller 2 controls pair gas analyser 7 to dilution
The discharge index of the tail gas after blower fan 8 dilution detects, so that winner's gas analyser 1 exports and discharges the most accurately
Index.The air vent of secondary gas analyser 7 is connected with gas purifier 5, so that gas purifier 5 is to secondary gas analysis
The air that instrument 7 is discharged purifies.
In order to realize the detection to the discharge index of tested vehicle of the main gas analyser 1, further, main gas analyser
1 includes master reference module 11, main A/D modular converter 12 and main signal transport module 13, and master reference module 11 produces
Detection signal, after main A/D modular converter 12 processes, is transmitted to controller 2, turning of its signal by main signal transport module 13
Change consistent with the principle of secondary gas analyser 7 with transmittance process.In order to the discharge index of tested vehicle is comprehensively tested,
Further, master reference module 11 includes CO sensor 101, H2Sensor 102, HC sensor 104, NOXSensor
105、CH4Sensor 106, benzene sensor 107 and CO2Sensor 103, CO sensor 101, H2Sensor 102, HC sensor
104、NOXSensor 105, CH4Sensor 106, benzene sensor 107 and CO2Sensor 103 is all electric with main A/D modular converter 12
Property connect, CO sensor 101, H2Sensor 102, HC sensor 104, NOXSensor 105, CH4Sensor 106, benzene sensor
107 and CO2Sensor 103 respective detection signal is by after main A/D modular converter 12 digitized, through main signal transport module
13, transmit and be analyzed processing to controller 2, and show on the display of controller 2.
In order to realize secondary gas analyser 7, the discharge index of tail gas is calibrated, further, secondary gas analyser
7 include that secondary sensor assembly 71, secondary A/D modular converter 72 and sub signal transport module 73, secondary sensor assembly 71 produce
Detection signal, detection signal is typically analogue signal, by digitized after secondary A/D modular converter 72 processes, digitized inspection
Survey signal to be transmitted to controller 2 by sub signal transport module 73, in order to detection signal is analyzed by controller 2, and shows at it
Show the discharge index of screen display tested vehicle.Important indicator in tail gas is mainly calibrated by secondary sensor assembly 71,
Further, secondary sensor assembly 71 includes CO sensor 101, H2Sensor 102 and CO2Sensor 103, CO sensor
101、H2Sensor 102 and CO2Sensor 103 is all electrically connected with secondary A/D modular converter 72, CO sensor 101, H2S passes
Sensor 102 and CO2Sensor 103 respective detection signal, by after secondary A/D modular converter 72 digitized, transmits through sub signal
Module 73 is transmitted and is analyzed processing to controller 2, it is achieved calibrate the detection signal of main gas analyser 1.
The present invention is described with reference to the preferred embodiments, and those skilled in the art know, without departing from the present invention's
In the case of spirit and scope, these features and embodiment can be carried out various change or equivalence is replaced.The present invention is not by this
The restriction of specific embodiment disclosed in place, other embodiments fallen in claims hereof broadly fall into present invention protection
Scope.
Claims (10)
1. an eco-friendly car vehicle emission measurement system, including main gas analyser (1), controller (2), exhaust collection device (3)
And chassis dynamometer (4), described chassis dynamometer (4) is for measuring the dynamic index of tested vehicle, and described controller (2) is controlled
Making described main gas analyser (1) to detect the discharge index of described tested vehicle, described exhaust collection device (3) is positioned at institute
State at the outlet of tested vehicle, and be connected with described main gas analyser (1), it is characterised in that:
Also include the gas purifier (5) for tail gas is purified;
Described gas purifier (5) is connected with the air vent of described main gas analyser (1).
Eco-friendly car vehicle emission measurement system the most according to claim 1, it is characterised in that:
It is provided with booster pump (6) on the pipeline that described gas purifier (5) is connected with described main gas analyser (1);
Described booster pump (6) is electrically connected with described controller (2).
Eco-friendly car vehicle emission measurement system the most according to claim 2, it is characterised in that:
Described gas purifier (5) includes active carbon filter screen (51), electrostatic precipitation net (52), photocatalyst antiseptic device (53) and drum
Blower fan (54);
Described active carbon filter screen (51) is positioned at the lower section of described electrostatic precipitation net (52);
Described electrostatic precipitation net (52) is positioned at the lower section of described photocatalyst antiseptic device (53);
Described photocatalyst antiseptic device (53) is positioned at the lower section of described aerator (54);
The described tail gas flowed into from the air inlet of described gas purifier (5), under the effect of described aerator (54), successively
Flow through described active carbon filter screen (51), described electrostatic precipitation net (52) and described photocatalyst antiseptic device (53).
Eco-friendly car vehicle emission measurement system the most according to claim 3, it is characterised in that:
Described gas purifier (5) also includes multiple UV point source (55);
Multiple described UV point sources (55) are positioned between described active carbon filter screen (51) and described electrostatic precipitation net (52) or institute
State between electrostatic precipitation net (52) and described photocatalyst antiseptic device (53).
Eco-friendly car vehicle emission measurement system the most according to claim 1, it is characterised in that:
Also include secondary gas analyser (7);
It is provided with dilution air (8) on the pipeline that described exhaust collection device (3) is connected with described secondary gas analyser (7);
Described controller (2) is electrically connected with described secondary gas analyser (7), and described controller (2) controls described secondary gas and divides
Tail gas discharge index after described dilution air (8) is diluted by analyzer (7) is calibrated.
Eco-friendly car vehicle emission measurement system the most according to claim 5, it is characterised in that:
The air vent of described secondary gas analyser (7) is connected with described gas purifier (5).
Eco-friendly car vehicle emission measurement system the most according to claim 5, it is characterised in that:
Described secondary gas analyser (7) includes secondary sensor assembly (71), secondary A/D modular converter (72) and sub signal transmission mould
Block (73);
The detection signal that described secondary sensor assembly (71) produces, after described secondary A/D modular converter (72) processes, by described
Sub signal transport module (73) transmission is to described controller (2).
Eco-friendly car vehicle emission measurement system the most according to claim 7, it is characterised in that:
Described secondary sensor assembly (71) includes CO sensor (101), H2Sensor (102) and CO2Sensor (103);
Described CO sensor (101), described H2Sensor (102) and described CO2Sensor (103) all turns with described secondary A/D
Die change block (72) is electrically connected with.
Eco-friendly car vehicle emission measurement system the most according to claim 1, it is characterised in that:
Described main gas analyser (1) includes master reference module (11), main A/D modular converter (12) and main signal transmission mould
Block (13);
The detection signal that described master reference module (11) produces, after described main A/D modular converter (12) processes, by described
Main signal transport module (13) transmission is to described controller (2).
Eco-friendly car vehicle emission measurement system the most according to claim 1, it is characterised in that:
Described master reference module (11) includes CO sensor (101), H2Sensor (102), HC sensor (104), NOXSensing
Device (105), CH4Sensor (106), benzene sensor (107) and CO2Sensor (103);
Described CO sensor (101), described H2Sensor (102), described HC sensor (104), described NOXSensor (105),
Described CH4Sensor (106), described benzene sensor (107) and described CO2Sensor (103) all with described main A/D modulus of conversion
Block (12) is electrically connected with.
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CN111693566A (en) * | 2020-05-12 | 2020-09-22 | 江苏理工学院 | Automobile exhaust detection device and detection method based on infrared thermal imaging technology |
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CN110261542A (en) * | 2019-06-05 | 2019-09-20 | 吉林工程技术师范学院 | A kind of eco-friendly car vehicle emission measurement system |
CN111693566A (en) * | 2020-05-12 | 2020-09-22 | 江苏理工学院 | Automobile exhaust detection device and detection method based on infrared thermal imaging technology |
CN111693566B (en) * | 2020-05-12 | 2023-04-28 | 江苏理工学院 | Automobile exhaust detection device and detection method based on infrared thermal imaging technology |
CN113634123A (en) * | 2021-08-31 | 2021-11-12 | 山东新凌志检测技术有限公司 | Tail gas treatment device |
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