CN206420853U - A kind of portable car-mounted discharge detecting system - Google Patents
A kind of portable car-mounted discharge detecting system Download PDFInfo
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- CN206420853U CN206420853U CN201720056431.9U CN201720056431U CN206420853U CN 206420853 U CN206420853 U CN 206420853U CN 201720056431 U CN201720056431 U CN 201720056431U CN 206420853 U CN206420853 U CN 206420853U
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Abstract
The utility model provides a kind of portable car-mounted discharge detecting system, belongs to Tail gas measuring construction applications.The utility model includes the cabinet that can be placed on automobile, the tails assay device that is arranged in cabinet, power module, communication module, locating module, the exhaust sampling device being arranged on outside cabinet, waste discharge apparatus, detection platform, the tails assay device is connected with exhaust sampling device, power module, waste discharge apparatus, communication module respectively, and the detection platform is connected with locating module and communication module respectively.The beneficial effects of the utility model are：Can break away from can not simulate the defect of driving cycle on real-time road in laboratory, and break through the limitation that remote sensing monitoring pinpoints exhaust collection data, the emission data of different sections of highway, different automobile types, different periods can be conveniently and efficiently obtained, has the advantages that cost is low, efficiency high.
Description
Technical field
The utility model is related to a kind of Tail gas measuring structure, more particularly to a kind of portable car-mounted discharge detecting system.
Background technology
Laboratory chassis dynamometer method of testing is most widely used, is the main source of current motor-vehicle tail-gas data, the method
It is, using the chassis dynamometer and gas analyzer in laboratory, accurately to test the exhaust emissions amount under preset travel operating mode.
This system for testing discharge is bulky, operating difficulties when using, costly, and this one shortcoming that can not be overcome of method is
Motor vehicle must be tested by fixed driving cycle, it is impossible to the exhaust emissions on true reflection real road.
At present in the U.S. and some other countries and regions, remote sensing monitoring technology starts to be applied, using infrared ray and
The method of ultraviolet spectrogram tests out the blending ratio of each waste gas in exhaust emissions, and its advantage is that automaticity is high, inspection
Degree of testing the speed is fast, but this method has more harsh requirement to traffic and placement location, using by such environmental effects compared with
Greatly, and the concentration of discharge gas can only be measured, it is impossible to obtain the quality of discharge gas, therefore can not also be made extensively
With.
Utility model content
To solve the problems of the prior art, the utility model provides a kind of portable car-mounted discharge detecting system.
The utility model includes the cabinet that can be placed on automobile, is arranged on tails assay device, power supply in cabinet
Module, communication module, locating module, the exhaust sampling device being arranged on outside cabinet, waste discharge apparatus, detection platform, the tail gas
Analytical equipment is connected with exhaust sampling device, power module, waste discharge apparatus, communication module respectively, the detection platform respectively with
Locating module is connected with communication module.
The utility model is further improved, and the exhaust sampling device includes probe tube and sampling probe, the sampling
Probe distal end is provided with sampling gun, during sampling, in the sampling gun insertion automobile exhaust pipe.
The utility model is further improved, and the tails assay device passes through communication interface and the communication module phase
Even, the communication interface includes EBI, USB interface, Type-C interfaces.
The utility model is further improved, and the communication module includes bluetooth communication module, WIFI communication module, 2G/
One or more in 3G/4G communication modules.
The utility model is further improved, and the locating module includes GPS module and the gps antenna being connected with each other, institute
State GPS module to be fixed on the cabinet inwall, the gps antenna is arranged on the outside of the cabinet.
The utility model is further improved, and the detection platform includes tablet personal computer, computer, hand provided with display interface
One or more in machine, PC computers.
The utility model is further improved, and the power module is power-switching circuit, and the power module passes through vapour
Car inverter obtains inversion 220V power supplys from cigar lighter.
The utility model is further improved, and the power module includes battery and power-switching circuit, and the battery leads to
Cross the power-switching circuit and be converted to 220V power supplys for system power supply.
The utility model is further improved, and the tails assay device includes tail gas air inlet, environment gas air inlet, anti-
Air blowing air inlet, calibration air inlet, exhaust outlet mouth, gas outlet, bilayer filter, active carbon filter, particulate filter,
Oil water separator, the first electrodynamic pump, the second electrodynamic pump, active carbon filter, gas test module, the tail gas air inlet and anti-
Air blowing entrance is connected with oil water separator input and the first electrodynamic pump input respectively by bilayer filter, the environment gas
Air inlet is connected by active carbon filter, particulate filter with oil water separator input and the first electrodynamic pump input,
Second electrodynamic pump is connected with oil water separator output end, active carbon filter input, the first electrodynamic pump input respectively,
The first electronic pump output terminal is connected by exhaust outlet mouthful with waste discharge apparatus, and the calibration interface and active carbon filter are defeated
Go out end respectively with gas test module to be connected.
The utility model is further improved, and the gas test module includes CO, CO2, the infrared platforms of HK, with CO, CO2、
The connected infrared platforms of NO of the infrared platforms of HK, the O being connected respectively with the infrared platforms of NO2Sensor and NO sensors, the outlet
The quantity of mouth is two, respectively with O2Sensor is connected with NO sensors.
Compared with prior art, the beneficial effects of the utility model are：Can break away from can not simulate real-time road in laboratory
The defect of upper driving cycle, and the limitation that remote sensing monitoring pinpoints exhaust collection data is broken through, can conveniently and efficiently it obtain not
Same section, different automobile types, the emission data of different periods, open a kind of approach of new In-Use Motor Vehicles emission test,
The examination of road Tail gas measuring is carried out to administering vehicle, tail gas NO can not be detected in a static condition by solving existing equipmentxThe problem of, improve
The disposable percent of pass of improvement of tail gas.The concentration and each form of quality, motor vehicle of each composition of motor-vehicle tail-gas can be measured in real time
The parameters such as feature, can make up the limitation of laboratory test, have the advantages that cost is low, efficiency high.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model tails assay schematic diagram of device；
Fig. 3 is the utility model detection method flow chart.
Embodiment
The utility model is described in further details with reference to the accompanying drawings and examples.
As shown in figure 1, the utility model includes the cabinet 9 that can be placed on automobile, the tail gas point in cabinet 9 is arranged on
Analysis apparatus 2, power module, bluetooth communication module 5, locating module, exhaust sampling device 1, the waste discharge apparatus being arranged on outside cabinet 9
10th, detection platform 6, the tails assay device 2 leads to exhaust sampling device 1, power module, waste discharge apparatus 10, bluetooth respectively
Interrogate module 5 to be connected, the detection platform 6 is wirelessly connected with locating module and bluetooth communication module 5 respectively.
The exhaust sampling device 1 of this example includes probe tube and sampling probe, and the sampling probe front end is provided with sampling
Rifle, during sampling, in the filter paper and fore filter in the sampling gun insertion automobile exhaust pipe.The sampling of exhaust sampling device 1
Probe can well be fixed to automobile exhaust pipe, sample 5 meters of pipe range, and sampling gun insertion blast pipe depth is not less than 400mm.This
Outside, filter paper and/or fore filter are additionally provided between the sampling gun of this example and cabinet 9, effect is to filter out the dust in tail gas
Deng fine particle, moisture.
As shown in Fig. 2 the tails assay device 2 of this example uses modularized design, pass through RS232 and communication module and detection
Platform 6 is networked, with CO, HC, NOx, CO2、O2And λ is measured, measurement accuracy reaches JJG 688（Automobile emission gas are tested
Instrument）II grade of tester requirement；Possess the functions such as demarcation, calibrating.
Specifically, the tails assay device 2 of this example include tail gas air inlet, environment gas air inlet, blowback air air inlet,
Calibrate air inlet, exhaust outlet mouth, gas outlet, bilayer filter, active carbon filter, particulate filter, oil water separator,
Electrodynamic pump 1, electrodynamic pump 2, active carbon filter, gas test module, the tail gas air inlet and blowback air entrance pass through bilayer
Filter is connected with oil water separator input and the input of electrodynamic pump 1 respectively, and the environment gas air inlet passes through activated carbon mistake
Filter, particulate filter are connected with oil water separator input and the input of electrodynamic pump 1, the electrodynamic pump 2 respectively with profit
Separator output end, active carbon filter input, the input of electrodynamic pump 1 are connected, and the output end of electrodynamic pump 1 passes through the row of exhaust
The mouth of a river is connected with waste discharge apparatus 10, and calibration interface and the active carbon filter output end is connected with gas test module respectively.
Wherein, the gas test module includes CO, CO2, the infrared platforms of HK, with CO, CO2, the infrared platforms of HK it is connected NO it is infrared flat
Platform, the O being connected respectively with the infrared platforms of NO2Sensor and NO sensors, the quantity of the gas outlet is two, respectively with O2Pass
Sensor is connected with NO sensors.
This example tail gas air inlet, environment gas air inlet, blowback air air inlet, calibration air inlet, exhaust outlet mouthful, gas outlet
Deng being connected using by the way of the perforate of cabinet 9 with corresponding component.Such as, the cabinet 9 is provided with tail gas air inlet, the tail
The probe tube of gas sampler 1 is directly plugged on the tail gas air inlet.
This example tails assay device 2 uses not light splitting infrared absorption method principle, and vehicular emission is measured with NDIR
Carbon monoxide CO, hydrocarbon HC and carbon dioxide CO in waste gas2Composition, with electrochemical cell principle measure be vented
In oxynitrides NO composition calculate air excess factor.The tails assay device 2 can also configure induction type
Rotating speed is pressed from both sides, and the rotating speed of engine can be monitored while waste gas is detected.
Each module of tails assay device 2 effect of this example：
（1）Bilayer filter：Filtrate uses the SiO of high purity more than 99%2Particle, its density is big, hardness strong, surface
It is smooth, recoil wash clean thoroughly, while can be from the relatively large magnetic iron ore of density or manganese sand as one-level filtrate, so
Be difficult to lose filtrate, increase the service life, then by rational allocation, the suspension that can effectively go in water removal, jelly and
Iron ion；
（2）Three-way magnetic valve：When electromagnetic valve coil is powered, go out media end first via opening, the second tunnel is closed；Work as electromagnetism
When valve coil is powered off, go out the closing of the media end first via, the second tunnel is opened；
（3）Oil water separator：Sewage containing more short grained oil droplet is by fine cleaner, and impurities in water of going out is sequentially entered
Fibrous polymer device, makes fine oil droplets aggregate into larger oil droplet and is separated from water；
（4）Electrodynamic pump：High during low pressure, low-lift pump is while fuel feeding, can obtain larger output flow.During high pressure, low-lift pump
Through the automatic unloaded oil return of unloading overflow valve, power consumption is reduced；
（5）Filter：Impurity is by having after the filter cylinder of certain specification filter screen, and its impurity is blocked；
（6）Normally closed two-way electromagnetic valve：After coil electricity, armature first drives secondary valve valve plug to lift under electromagnetic force, main
Fluid on valve valve cup flows away through secondary valve, reduces the pressure acted on main valve valve cup, when the pressure on main valve valve cup is reduced
During to certain value, armature drives main valve valve cup, and opens main valve valve cup using pressure difference, flow of media.After coil blackout, electricity
Magnetic force disappears, and armature falls to resetting because of deadweight.Pressure medium is relied on simultaneously, major-minor valve is able to tight shut-off；
（7）Infrared platform：Including CO, CO2, the infrared platforms of HC and the infrared platforms of NO, be mainly used in CO, CO2, HC, NO into
The Accurate Analysis of part, this example configuration O2, NO sensors, possess fast response time, the features such as reproducible, preheating time is short.
The operation principle of tails assay device 2 of this example is：
When device vehicle works, vehicle exhaust is entered by tail gas air inlet, is entering oil by gas after bilayer filter
Separator carries out secondary filter, is finally filtered by activated carbon.After gas filtration is complete, pass through infrared platform
With NO, O2Sensor carries out DATA REASONING and transmission, while gas is expelled directly out by sensor.
During calibration, calibration gas is entered by calibration air inlet；When clearing up tails assay device 2, gas is by environment air inlet
And blowback entrance enters.
As shown in figure 1, the tails assay device 2 of this example is connected by communication interface with the bluetooth communication module 5, institute
Stating communication interface includes EBI, USB interface, Type-C interfaces etc., and this example uses RS232 EBIs.This example it is logical
Module is interrogated in addition to bluetooth communication module 5, can also be using wireless telecommunications moulds such as WIFI communication module, 2G/3G/4G communication modules
Block, so that the tails assay device 2 networking is connected with detection platform.
The locating module of this example includes GPS module 3 and the gps antenna 4 being connected with each other, and the GPS module 3 is fixed on described
On the inwall of cabinet 9, the gps antenna 4 is arranged on the outside of cabinet 9.This example can receive gps antenna 4 signal of satellite,
Calculate the position of your this present module simultaneously by satellite-signal, mobile speed is obtained after data, passed by GPS module 3
It is defeated by detection platform 6.
The detection platform 6 of this example can be one kind in the tablet personal computer provided with display interface, computer, mobile phone, PC computers
Or it is a variety of, complete to control the remote operation of tails assay device 2 by the operation at UI interfaces, and as data acquisition, speed and
The platform that track of vehicle conversion, data are preserved and transmitted.
Power module of the present utility model provides stable 220V power supplys for system, can be single power-switching circuit
7, the power module obtains inversion 220V power supplys by vehicle inverter from cigar lighter.
The power module of this example includes independent battery 8 and power-switching circuit 7, and the battery 8 is turned by the power supply
Change circuit 7 and be converted to 220V power supplys for system power supply.The battery 8 both can be built-in battery or lithium battery, be placed on
In cabinet 9, it can also be placed on as separate part outside cabinet 9.
The waste discharge apparatus of this example is drainage tracheae, exhaust gas and detection after tails assay device 2 is detected
During the water that generates, guide discharge.
The cabinet 9 of this example can conveniently be installed to automobile trunk, prevent from rocking during the examination of road, fall；Tails assay device 2
Can Fast Installation, dismounting, and can well be fixed on cabinet 9.If automobile trunk does not have space, cabinet 9 can also be put
Put on back seat.
As shown in figure 3, the inspection software of the portable car-mounted discharge detecting system of this example is arranged in detection platform, institute
The detection method for stating detection platform is：
S1：Start, information of vehicles typing, system has three kinds of vehicle registration modes：（1）By realizing vehicle from mobile phone
Data Enter；（2）Information of vehicles typing can be realized by flat panel industry computer；（3）It can realize that vehicle is believed by PC computers
Cease typing.
S2：Judge whether calibration, if it is, probe is taken out in prompting, send and perform order delay 1 second, then perform step
S3, if not, directly performing step S3；
S3：Transmission performs order；
S4：Data are received, gathered data is clicked on, judge whether the data of collection are effective, if effectively, preserving data, such as
Really invalid, return re-executes step S4；
S4：Judge whether to preserve data, if it is, uploading data, terminate, if not, extending 1 second, return and perform step
S3。
The exhaust sampling device 1 of this example is per second at least to gather five gas（CO、HC、NOx、CO2、O2）, and λ data, wherein
λ represents excess air coefficient.
The definition of excess air coefficient is：Oxygen quality actually required for burning 1kg gasoline is more complete in theory than upper
Oxygen quality required for burning 1kg gasoline.Formula is：λ=amount of actual air for combustion/theoretical air requirement.
Work as λ>When 1, represent that combustion mixture is dilute, also have oxygen remaining after burning；Work as λ<When 1, flammable mixing is represented
Gas is dense, does not have oxygen remaining after burning；As λ=1, gasoline is completely burned, and oxygen is just depleted completely.This
The example synchronous acquisition GPS location data of detection platform 6, calculate correspondence vehicle speed data, automatically to five destinys of collection according to progress
Judge, exclude sampling probe and come off the improper data caused.
Vehicle completes the examination of road collection, and tails assay device 2 transfers data to detection platform 6 by blueteeth network, if
Data transmission fails and check errors, the system possess data retransmission function.
The vehicle data that the system detection platform 6 is sent to tails assay device 2 carries out archives according to car plate and VIN codes
Management, vehicle the examination of road gathered data is stored under improvement vehicle map file.Preserving data can inquire about, transmits, delete.Delete
Data need password authorization.
The system such as can be demarcated, be examined and determine at the attended operation to five gas modules, and the use of tails assay device needs to use
Family is logged in and cryptographic check, and password authorization is needed to operations such as system maintenance, data deletions.
Discharged, be placed on vehicle in use with system detectio vehicle of the present utility model, travel 2 highways, can measuring machine in real time
The parameters such as each form feature of concentration and quality, motor vehicle of each composition of motor-car tail gas.
The utility model can save substantial amounts of testing time and survey while the accuracy and reliability of test is ensured
Sample sheet, can solve the limitation of existing test scope and the problems such as with higher testing cost.Portable vehicle-mounted is arranged
Method of testing is put, can break away from can not simulate the defect of driving cycle on real-time road in laboratory, and break through remote sensing monitoring fixed point
The limitation of exhaust collection data, can conveniently and efficiently obtain the exhaust emissions number of different sections of highway, different automobile types, different periods
According to opening a kind of approach of new In-Use Motor Vehicles emission test, the examination of road Tail gas measuring carried out to administering vehicle, solve existing to set
For the problem of can not detecting tail gas NOx in a static condition, the disposable percent of pass of improvement of tail gas is improved.Laboratory can be made up
The limitation of test, has the advantages that cost is low, efficiency high.
Embodiment described above is better embodiment of the present utility model, and it is new not to limit this practicality with this
The specific implementation scope of type, scope of the present utility model includes being not limited to present embodiment, all according to the utility model
The equivalence changes made are in protection domain of the present utility model.
Claims (10)
1. a kind of portable car-mounted discharge detecting system, it is characterised in that：Including can be placed at the cabinet on automobile, it is arranged on
Tails assay device, power module, communication module, locating module, the exhaust sampling device being arranged on outside cabinet, row in cabinet
Waste-removing device, detection platform, the tails assay device respectively with exhaust sampling device, power module, waste discharge apparatus, communication module
It is connected, the detection platform is connected with locating module and communication module respectively.
2. portable car-mounted discharge detecting system according to claim 1, it is characterised in that：The exhaust sampling device bag
Probe tube and sampling probe are included, the sampling probe front end is provided with sampling gun, during sampling, the sampling gun inserts automobile exhaust pipe
It is interior.
3. portable car-mounted discharge detecting system according to claim 1, it is characterised in that：The tails assay device leads to
Cross communication interface with the communication module to be connected, the communication interface includes EBI, USB interface, Type-C interfaces.
4. portable car-mounted discharge detecting system according to claim 3, it is characterised in that：The communication module includes indigo plant
One or more in tooth communication module, WIFI communication module, 2G/3G/4G communication modules.
5. portable car-mounted discharge detecting system according to claim 1, it is characterised in that：The locating module includes phase
The GPS module and gps antenna connected, the GPS module is fixed on the cabinet inwall, and the gps antenna is arranged on institute
State on the outside of cabinet.
6. portable car-mounted discharge detecting system according to claim 1, it is characterised in that：The detection platform includes setting
There are the one or more in the tablet personal computer of display interface, computer, mobile phone, PC computers.
7. portable car-mounted discharge detecting system according to claim 1, it is characterised in that：The power module is power supply
Change-over circuit, the power module obtains inversion 220V power supplys by vehicle inverter from cigar lighter.
8. portable car-mounted discharge detecting system according to claim 1, it is characterised in that：The power module includes electricity
Pond and power-switching circuit, the battery are converted to 220V power supplys for system power supply by the power-switching circuit.
9. the portable car-mounted discharge detecting system according to claim any one of 1-8, it is characterised in that：The tail gas point
Analysis apparatus include tail gas air inlet, environment gas air inlet, blowback air air inlet, calibration air inlet, exhaust outlet mouth, gas outlet,
Bilayer filter, active carbon filter, particulate filter, oil water separator, the first electrodynamic pump, the second electrodynamic pump, activated carbon
Filter, gas test module, the tail gas air inlet and blowback air entrance by bilayer filter respectively with oil water separator
Input and the first electrodynamic pump input are connected, the environment gas air inlet by active carbon filter, particulate filter with
Oil water separator input and the first electrodynamic pump input are connected, second electrodynamic pump respectively with oil water separator output end,
Active carbon filter input, the first electrodynamic pump input are connected, the first electronic pump output terminal by exhaust outlet mouthful with
Waste discharge apparatus is connected, and calibration interface and the active carbon filter output end is connected with gas test module respectively.
10. portable car-mounted discharge detecting system according to claim 9, it is characterised in that：The gas test module
Including CO, CO2, the infrared platforms of HK, with CO, CO2, the connected infrared platforms of NO of the infrared platforms of HK, be connected respectively with the infrared platforms of NO
O2Sensor and NO sensors, the quantity of the gas outlet is two, respectively with O2Sensor is connected with NO sensors.
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| CN201720056431.9U CN206420853U (en) | 2017-01-18 | 2017-01-18 | A kind of portable car-mounted discharge detecting system |
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| CN201720056431.9U CN206420853U (en) | 2017-01-18 | 2017-01-18 | A kind of portable car-mounted discharge detecting system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770973A (en) * | 2017-01-18 | 2017-05-31 | 广西三原高新科技有限公司 | A kind of portable car-mounted discharge detecting system and detection method |
| CN107608262A (en) * | 2017-09-05 | 2018-01-19 | 无锡吉兴汽车声学部件科技有限公司 | A kind of laboratory vehicle exhaust concentration intelligence control 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 |
| CN109975242A (en) * | 2019-05-05 | 2019-07-05 | 四川省生态环境科学研究院 | A kind of the on-board emission test system and its working method of motor vehicle ammonia |
-
2017
- 2017-01-18 CN CN201720056431.9U patent/CN206420853U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770973A (en) * | 2017-01-18 | 2017-05-31 | 广西三原高新科技有限公司 | A kind of portable car-mounted discharge detecting system and detection method |
| CN107608262A (en) * | 2017-09-05 | 2018-01-19 | 无锡吉兴汽车声学部件科技有限公司 | A kind of laboratory vehicle exhaust concentration intelligence control system |
| CN107608262B (en) * | 2017-09-05 | 2020-10-09 | 无锡吉兴汽车声学部件科技有限公司 | Intelligent control system for concentration of automobile exhaust in laboratory |
| 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 |
| CN109975242A (en) * | 2019-05-05 | 2019-07-05 | 四川省生态环境科学研究院 | A kind of the on-board emission test system and its working method of motor vehicle ammonia |
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