CN207556854U - A kind of full stream emission testing system - Google Patents
A kind of full stream emission testing system Download PDFInfo
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- CN207556854U CN207556854U CN201721768891.0U CN201721768891U CN207556854U CN 207556854 U CN207556854 U CN 207556854U CN 201721768891 U CN201721768891 U CN 201721768891U CN 207556854 U CN207556854 U CN 207556854U
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Abstract
The utility model is related to automobile emission gas analyzer fields, and in particular to a kind of full stream emission testing system.The full stream emission testing system, including engine dynamic simulation test room and vehicle rotary drum Emission lab, engine dynamic simulation test room and vehicle rotary drum Emission lab are arranged in parallel, and share a set of Full flow dilution emission analyzer.So that the discharge measuring in two kinds of laboratories using same set of emission analysis equipment, have it is preferable comparative, and can significantly investment reduction, improve capacity utilization.
Description
Technical field
The utility model is related to automobile emission gas analyzer fields, and in particular to a kind of full stream emission testing system.
Background technology
Engine dynamic simulation test room is a kind of laboratory for simulation of engine emission test, mainly by engine
Laboratory and Full flow dilution emission analyzer composition.Vehicle rotary drum Emission lab is a kind of experiment for vehicle emission testing
Room, function group will be made of vehicle rotating hub laboratory and Full flow dilution emission analyzer.In practical automobile development work,
Engine research, development stage early period carries out pilot development in engine dynamic simulation laboratory, is arranged after engine entrucking in vehicle rotary drum
It puts laboratory to be verified, about discharge measuring part, the operating condition of test in Liang Ge laboratories stage is just the same, two stages
Result of the test mutually compares.Two sets of testing equipments is needed to have preferable contrastive.System structure common at present is all two kinds of examinations
It tests room and Full flow dilution emission analyzer is individually configured.There are two insufficient at present for this present situation:1st, since Full flow dilution discharges
Analyzer is a kind of large scale system equipment of complexity, for other common survey, is measured uncertain relatively large.Two
Comparing result between set pilot system can be superimposed out the uncertainty of bigger.Therefore Liang Zhong laboratories it is comparative often compared with
Difference.2nd, Full flow dilution emission analyzer cost is high.And in engine dynamic simulation test room, it is that the laboratory is many
One kind of test function, utilization rate is not high but investment expense is very big.
Utility model content
To solve problem above, the utility model provides a kind of full stream emission testing system, which has preferably
It is comparative and substantially cost-effective, improve capacity utilization.
The technical solution adopted in the utility model is：A kind of full stream emission testing system, is tried including engine dynamic analog
Test room and vehicle rotary drum Emission lab, it is characterised in that：The engine dynamic simulation test room and the discharge examination of vehicle rotary drum
It tests room to be arranged in parallel, shares a set of Full flow dilution emission analyzer.
Preferably, motor exhaust dilution device and motor exhaust are equipped in the engine dynamic simulation test room
Collection tube, the tail gas acquisition port of the motor exhaust dilution device are connected with motor exhaust collection tube, the vehicle rotary drum
Vehicle rotary drum tail gas dilution device and vehicle rotary drum tail gas collection tube, the vehicle rotary drum tail gas dilution are equipped in emission testing room
The tail gas acquisition port of device is connected with vehicle rotary drum tail gas collection tube；The air inlet of the motor exhaust dilution device with
The air inlet of vehicle rotary drum tail gas dilution device is arranged in parallel, and is connected by the first switching valve with extraneous air；The hair
The tail gas gas outlet of motivation tail gas dilution device and the tail gas gas outlet of vehicle rotary drum tail gas dilution device are arranged in parallel, and pass through
Two switching valves are connected with the particulate matter dilution tunnel of Full flow dilution emission analyzer.
Further, first switching valve and the second switching valve are controlled by switching control.
Further, the Full flow dilution emission analysis of analysis exhaust gas component is equipped in the Full flow dilution emission analyzer
Module.
The utility model obtain advantageous effect be：By engine dynamic simulation test room and vehicle rotary drum Emission lab
It is arranged in parallel, and shares a set of Full flow dilution emission analyzer so that the discharge measuring in two kinds of laboratories uses same set of discharge
Analytical equipment, have it is preferable comparative, and can significantly investment reduction, improve capacity utilization.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, the full stream emission testing system of one kind of the utility model, including engine dynamic simulation test room 1
With vehicle rotary drum Emission lab 2, engine dynamic simulation test room 1 and vehicle rotary drum Emission lab 2 are arranged in parallel, and altogether
With a set of Full flow dilution emission analyzer 3.
In the present embodiment, motor exhaust dilution device 11 and engines tail are equipped in engine dynamic simulation test room 1
Gas collection tube 12, the tail gas acquisition port of motor exhaust dilution device 11 are connected with motor exhaust collection tube 12；Vehicle rotary drum
Vehicle rotary drum tail gas dilution device 21 and vehicle rotary drum tail gas collection tube 22 are equipped in Emission lab 2, vehicle rotary drum tail gas is dilute
The tail gas acquisition port of release device 21 is connected with vehicle rotary drum tail gas collection tube 22.The air inlet of motor exhaust dilution device 11
The air inlet of mouth and vehicle rotary drum tail gas dilution device 12 is arranged in parallel, and is connected by the first switching valve 4 with extraneous air；
The tail gas gas outlet of motor exhaust dilution device 11 and the tail gas gas outlet of vehicle rotary drum tail gas dilution device 21 are arranged in parallel,
It is connected by the second switching valve 5 with the particulate matter dilution tunnel 31 of Full flow dilution emission analyzer 3.Full flow dilution emission analyzer
The Full flow dilution emission analysis module 32 of analysis exhaust gas component is equipped in 3.
In the present embodiment, Full flow dilution emission analyzer 3 is using row specified in national standard GB18352.6-2016 attachmentes CD
Equipment is put, capital equipment forms scheme mainly by tail gas dilution sampler, particulate matter dilution tunnel, PM particulate matters sampling branch
The system that a series of components such as frame, PM particle countings device, CVS constant volume samples, sample airbag, analytic unit are formed.
Its main experimental method is to collect tail gas by tail gas sampling pipe, is allowed to after being mixed with fresh air sources with certain proportion, will be mixed
It closes gas to lead in Full flow dilution emission analysis module 32, after measuring analysis, show that result of the test discharges exhaust gas.
In one embodiment, the first switching valve 4 and the second switching valve 5 are controlled by switching control 6.
When switching control 6 controls the first switching valve 4 and the second switching valve 5 to be switched to engine dynamic simulation test room
When 1, by the first switching valve 4, the tail gas with entering motor exhaust collection tube 12 dilutes fresh air sources in motor exhaust
After being mixed at device 11, the Full flow dilution emission analysis module in Full flow dilution emission analyzer 3 is entered by the second switching valve 5
It is analyzed in 32, system obtains the emission test results of engine dynamic simulation test room 1.
When switching control 6 controls the first switching valve 4 and the second switching valve 5 to be switched to vehicle rotary drum Emission lab 2
When, fresh air sources are dilute in vehicle rotary drum tail gas with the tail gas into vehicle rotary drum tail gas collection tube 22 by the first switching valve 4
After being mixed at release device 21, the Full flow dilution emission analysis mould in Full flow dilution emission analyzer 3 is entered by the second switching valve 5
Block 8, system obtain the emission test results of vehicle rotary drum Emission lab 2.
In one embodiment, engine dynamic simulation test room 1 and when vehicle rotary drum 2 horizontal layout of Emission lab, need to abide by
Follow following principle：One, engine dynamic simulation test room 1 and vehicle rotary drum Emission lab 2 are more close adjacent, because of national standard
There is the mandatory requirement within 6 meters to the length of sampling line；Secondly, requirement that should be short as possible based on sampling line, should also make hair
The exhaust side of motivation dynamic simulation test room 1 and vehicle rotary drum Emission lab 2 is in the same direction or opposite.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principle of the utility model, the utility model can also on the premise of not departing from the spirit and scope of the utility model
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model will
Protection domain is asked to be defined by appended claims and its equivalent.
Claims (4)
1. a kind of full stream emission testing system, including engine dynamic simulation test room (1) and vehicle rotary drum Emission lab
(2), it is characterised in that：The engine dynamic simulation test room (1) and vehicle rotary drum Emission lab (2) are arranged in parallel, altogether
With a set of Full flow dilution emission analyzer (3).
2. full stream emission testing system according to claim 1, it is characterised in that：The engine dynamic simulation test room
(1) motor exhaust dilution device (11) and motor exhaust collection tube (12), the motor exhaust dilution device are equipped in
(11) tail gas acquisition port is connected with motor exhaust collection tube (12), is equipped in the vehicle rotary drum Emission lab (2) whole
Vehicle rotary drum tail gas dilution device (21) and vehicle rotary drum tail gas collection tube (22), the vehicle rotary drum tail gas dilution device (21)
Tail gas acquisition port is connected with vehicle rotary drum tail gas collection tube (22)；The air inlet of the motor exhaust dilution device (11)
It is arranged in parallel with the air inlet of vehicle rotary drum tail gas dilution device (21), is connected by the first switching valve (4) and extraneous air
It is logical；The tail gas gas outlet of the motor exhaust dilution device (11) and the tail gas outlet of vehicle rotary drum tail gas dilution device (21)
Mouth is arranged in parallel, and is connected by the second switching valve (5) with the particulate matter dilution tunnel (31) of Full flow dilution emission analyzer (3).
3. full stream emission testing system according to claim 2, it is characterised in that：First switching valve (4) and second
Switching valve (5) is controlled by switching control (6).
4. the full stream emission testing system according to claims 1 or 2 or 3, it is characterised in that：The Full flow dilution discharge point
The Full flow dilution emission analysis module (32) of analysis exhaust gas component is equipped in analyzer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721768891.0U CN207556854U (en) | 2017-12-18 | 2017-12-18 | A kind of full stream emission testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721768891.0U CN207556854U (en) | 2017-12-18 | 2017-12-18 | A kind of full stream emission testing system |
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| CN207556854U true CN207556854U (en) | 2018-06-29 |
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| CN201721768891.0U Active CN207556854U (en) | 2017-12-18 | 2017-12-18 | A kind of full stream emission testing system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779728A (en) * | 2019-11-28 | 2020-02-11 | 中汽研汽车检验中心(昆明)有限公司 | Integrated air inlet and outlet pipeline system for automobile air inlet and outlet altitude simulation test |
| CN112113776A (en) * | 2020-08-21 | 2020-12-22 | 东风汽车集团有限公司 | Engine working area coverage rate verification method and system |
| CN112902026A (en) * | 2021-01-18 | 2021-06-04 | 南京信息工程大学 | Method for detecting natural gas leakage of natural gas automobile gas supply system |
-
2017
- 2017-12-18 CN CN201721768891.0U patent/CN207556854U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779728A (en) * | 2019-11-28 | 2020-02-11 | 中汽研汽车检验中心(昆明)有限公司 | Integrated air inlet and outlet pipeline system for automobile air inlet and outlet altitude simulation test |
| CN112113776A (en) * | 2020-08-21 | 2020-12-22 | 东风汽车集团有限公司 | Engine working area coverage rate verification method and system |
| CN112113776B (en) * | 2020-08-21 | 2021-11-30 | 东风汽车集团有限公司 | Engine working area coverage rate verification method and system |
| CN112902026A (en) * | 2021-01-18 | 2021-06-04 | 南京信息工程大学 | Method for detecting natural gas leakage of natural gas automobile gas supply system |
| CN112902026B (en) * | 2021-01-18 | 2022-03-11 | 南京信息工程大学 | Method for detecting natural gas leakage of natural gas automobile gas supply system |
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