CN106323649A - Motorcycle emission measuring method - Google Patents
Motorcycle emission measuring method Download PDFInfo
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- CN106323649A CN106323649A CN201610995536.0A CN201610995536A CN106323649A CN 106323649 A CN106323649 A CN 106323649A CN 201610995536 A CN201610995536 A CN 201610995536A CN 106323649 A CN106323649 A CN 106323649A
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- motorcycle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/10—Testing internal-combustion engines by monitoring exhaust gases or combustion flame
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Testing Of Engines (AREA)
Abstract
The invention relates to a motorcycle emission measuring method which includes the steps: 1) selecting one motorcycle conforming to emission standards; 2) preheating the motorcycle according to GB14621-2002; 3) measuring a standard temperature field; 4) selecting one motorcycle to be measured; 5) performing rapid running and preheating; 6) performing idle preheating; 7) adjusting idle speed; 8) measuring the temperature field of the motorcycle to be measured, continuing a step 9 if the temperature field is inconsistent with the standard temperature field, and skipping to a step 11 if the temperature field is consistent with the standard temperature field; 9) completely cooling the motorcycle to be measured; 10) returning to the step 5 and adjusting running speed v; 11) measuring the idle speed according to the GB14621-2002; 12) performing numerical value rounding; 13) recording idle speed emission measuring results; 14) returning to the step 4, and measuring emission of a next motorcycle. The motorcycle can be rapidly measured, and accuracy of testing results can be ensured.
Description
Technical field
The present invention relates to motorcycle measuring method, particularly relate to a kind of motorcycle emission measuring method.
Background technology
In order to protect environment, its exhaust contaminant must be measured between motorcycle dispatches from the factory, only meet discharge
The motorcycle of standard just can be put on market.GB14621-2002 is about " motorcycle and trail bike tailpipe emission
Limit value and measuring method (slack speed method) " national standard, this national Specification motorcycle and light rub under idling operation
Equally change carbon (CO) in motorcycle aerofluxus, the measuring method of Hydrocarbon (HC):
1), start vehicle, carry out vehicle preheating by one of following condition:
1a) motorcycle runs 10km with speed 50km/h, trail bike with speed 40km/h；
1b) by GB18176, motorcycle specifies that operating mode is on chassis dynamometer by GB14622 regulation operating mode, trail bike
Run four circulations；
1c) motorcycle travels at least 10 minutes under normal road transportation condition；
2), vehicle preheats in latter 10 minutes and completes following idling and measure:
2a) at exhaust silencer afterbody add one long 600mm, internal diameterSpecial seal adapter；
2b) maintain idling operation, sampling probe is inserted adapter, it is ensured that insertion depth is 400mm, read probe simultaneously and insert
The indicated value of HC and CO when entering rear 30s is as measured value；
2c) interval 1min, repeats step 2b；
2d) measurement result takes the arithmetic mean of instantaneous value of twice；If during multiple exhaustor, take the calculation of each exhaustor measurement result
Art meansigma methods；
3), Figure correction: carbon monoxide (CO) discharge value after the revision of the convention retains two decimals；Hydrocarbon (HC) retains
To tens；
4), record idle exhaust emission measurement result.
Measuring method in above GB14621-2002 standard has accuracy and authority, it is adaptable to manufacturing enterprise
The batch motorcycle of same model carries out random inspection, according to the sampling Detection to batch motorcycle, thus to homotype by the gross
Number the idle exhaust emission of motorcycle be estimated, to determine whether the discharge of the motorcycle of this model meets national standard.Press
GB14621-2002 standard-required carries out idle exhaust emission test to vehicle, and before carrying out detecting, the time needed for preheating is typically not less than
720s, owing to preheating time is longer, the time needed for causing whole detection process is oversize.
Manufacturing enterprise not only should make the batch motorcycle of the same model before dispatching from the factory meet the sampling Detection of national standard, also
Voluntarily each motorcycle on production line should be carried out discharge measuring, make each motorcycle of same model all meet discharge mark
Accurate.If the measuring method using GB14621-2002 national standard in enterprises is carried out for each motorcycle of same model
Detection, owing to preheating time is longer, that will expend considerable time, be unfavorable for improving production efficiency.There is presently no one
Practical each motorcycle of same model the most quickly can be measured, its measurement result can be made again and use national standard
The motorcycle idle speed discharge measuring method that measurement result is consistent.
Summary of the invention
Present invention solves the technical problem that and be: providing a kind of motorcycle emission measuring method, the method can reduce preheating
Time, each motorcycle of same model is the most quickly measured, its measurement result can be made again and use national standard measurement
Result is consistent.
The technical scheme is that a kind of motorcycle emission measuring method, including following measuring process:
1) motorcycle meeting discharging standards of model to be measured, is selected；
2), start motorcycle, carry out vehicle preheating by one of following condition:
2a) motorcycle runs 10km with speed 50km/h；
2b) motorcycle runs four circulations by GB14622 regulation operating mode on chassis dynamometer；
2c) motorcycle travels at least 10 minutes under normal road transportation condition；
3), the engine lubrication oil temperature of motorcycle, engine spark plug temperature are measured, in this, as standard temperature
?；
4), a motorcycle to be measured is selected；
5), running motorcycle to be measured, by motorcycle rapidly pre-warming to be measured, its speed of service is v:60km/h≤v≤80km/
H, the rapidly pre-warming time is t1:150s≤t1≤180s；
6), motorcycle to be measured is transformed into idling mode, carries out idling preheating, idling be preheating time t2:60s≤t2≤
150s；
7), idling speed is adjusted: idling speed controls at 1500 ± 100r/min；
8), the temperature field of motorcycle to be measured, the engine lubrication oil temperature of motorcycle the most to be measured, electromotor spark are measured
Plug temperature, if the temperature field of motorcycle to be measured is inconsistent with the temperature of standard temperature field, then continues step 9；Rub if to be measured
The temperature field of motorcycle is consistent with the temperature of standard temperature field, i.e. lubricating oil temperature differs ± 2 DEG C, and spark plug temperature differs ± 5 DEG C,
Then jump to step 11；
9), motorcycle to be measured is cooled down completely；
10), return to step 5, and adjust speed of service v of motorcycle to be measured；
11), motorcycle to be measured preheats in latter 10 minutes and completes following idling and measure:
11a) at exhaust silencer afterbody add one long 600mm, internal diameterSpecial seal adapter；
11b) maintain idling operation, sampling probe is inserted adapter, it is ensured that insertion depth is 400mm, reads probe simultaneously
After insertion, the indicated value of HC and CO during 30s is as measured value；
11c) interval 1min, repeats step 11b；
11d) measurement result takes the arithmetic mean of instantaneous value of twice；If during multiple exhaustor, take each exhaustor measurement result
Arithmetic mean of instantaneous value；
12), Figure correction: the carbon monoxide emission value after the revision of the convention retains two decimals；Hydrocarbon remains into ten
Number；
13), record idle exhaust emission measurement result；
14), return to step 4, the motorcycle of next same model is carried out discharge measuring.
Further, motorcycle speed of service v=70km/h of step 5, rapidly pre-warming time t1=150s；Rubbing of step 6
Motorcycle idling t2=90s preheating time.
Further, in step 10, each adjusting range to speed of service v is ± 3km/h.
The invention has the beneficial effects as follows: be both needed to before carrying out motorcycle emission detection each motorcycle is preheated, use
The measuring method of existing GB14621-2002, is all not less than 720s the preheating time of each motorcycle；The present invention is directed to same model
Batch motorcycle when carrying out discharge measuring:
First standard temperature field is determined: select a motorcycle meeting discharging standards, and according to GB14621-
2002 methods preheat, and measure the engine lubrication oil temperature of this motorcycle, engine spark plug temperature, with the two temperature
Degree is as standard temperature field；
Then detecting the temperature field of motorcycle to be measured: run motorcycle to be measured, by motorcycle rapidly pre-warming to be measured, it runs
Speed is v:60km/h≤v≤80km/h, and the rapidly pre-warming time is t1:150s≤t1≤180s；Motorcycle to be measured is transformed into
Idling mode, carries out idling preheating, and idling preheating time is t2:60s≤t2≤150s；Adjust idling speed: start in guarantee
In the case of machine does not produces shake, make idling speed the lowest；Measure the temperature field of motorcycle to be measured, motorcycle the most to be measured
Engine lubrication oil temperature, engine spark plug temperature；
Whether the temperature field next contrasting motorcycle to be measured meets with standard temperature field: if the temperature of motorcycle to be measured
Field is inconsistent with the temperature of standard temperature field, then motorcycle to be measured cools down and adjusts speed of service v of motorcycle to be measured completely
Remeasure its temperature field, until the temperature field of motorcycle to be measured is consistent with standard temperature field；Temperature field when motorcycle to be measured
After consistent with the temperature of standard temperature field, then proceed by the carbon monoxide to motorcycle to be measured, the measurement of Hydrocarbon.
After same motorcycle is respectively adopted method and the GB14621-2002 standard pre-heating mean of the present invention, work as temperature field
When (lubricating oil temperature, spark plug temperature) is consistent, its idle exhaust emission measured value also consistent (CO error less than 2%, HC error not
More than 2.5%), thus, demonstrating temperature field is the principal element affecting motorcycle idle speed discharge.Use the present invention to same model
The discharge measuring of batch motorcycle time, it is only necessary to first to a motorcycle meeting discharging standards according to GB14621-
2002 preheatings carrying out 720s, and the preheating time of the motorcycle to be measured of other same model is less than 300s, therefore the method can
Reduce preheating time, each motorcycle of same model is the most quickly measured, met productive temp, its measurement result can be made again
, the accuracy of guarantee test result consistent with the result using national standard to measure.
In order to verify when when temperature field (lubricating oil temperature, spark plug temperature) is consistent, same motorcycle is respectively adopted
After the method for the present invention and GB14621-2002 standard pre-heating mean, its idle exhaust emission measured value is also consistent, and (CO error is less than
2%, HC error is less than 2.5%), we have randomly drawed two motorcycles and have carried out following checking test: motorcycle runs
Speed keeps 70km/h, makes motorcycle temperature field be rapidly achieved the requirement of the standard temperature field using GB14621-2002 to measure,
Test idle exhaust emission, the preheating that two motorcycles are respectively adopted in the inventive method and GB14621-2002 standard pre-heating mean
After, when temperature field (lubricating oil temperature, spark plug temperature) is consistent, its idle exhaust emission measured value is also consistent, and (CO error is less than
2%, HC error is less than 2.5%), thus, verification experimental verification temperature field is affect the principal element that motorcycle idle speed discharges.Combine
Close and state data analysis it follows that the change in motorcycle temperature field has directly impact to the test result of idle exhaust emission；When
When temperature field reaches consistent, (lubricating oil temperature differs ± 2 DEG C；Spark plug temperature differs ± 5 DEG C) the idle exhaust emission value tested becomes
In stationary value；The temperature field of tested motorcycle if (lubricating oil temperature, spark plug temperature) and standard temperature field (lubricating oil temperature
Degree, spark plug temperature) consistent, it is ensured that and test result accuracy and credibility, verification experimental verification temperature field is to affect motor
The principal element of car idle exhaust emission.
Accompanying drawing explanation
Fig. 1 is the FB(flow block) of the present invention.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
Embodiment one
See Fig. 1,
1. a motorcycle emission measuring method includes following measuring process:
1) motorcycle meeting discharging standards of model to be measured, is selected；
2), start motorcycle, by one of following condition carry out vehicle preheating 90s:
2a) motorcycle runs 10km with speed 50km/h；
2b) motorcycle runs four circulations by GB14622 regulation operating mode on chassis dynamometer；
2c) motorcycle travels 15 minutes under normal road transportation condition；
3), the engine lubrication oil temperature of motorcycle, engine spark plug temperature are measured, in this, as standard temperature
?；
4), a motorcycle to be measured is selected；
5), running motorcycle to be measured, by motorcycle rapidly pre-warming to be measured, its speed of service is v:60km/h, rapidly pre-warming
Time is t1:150s；
6), motorcycle to be measured being transformed into idling mode, carry out idling preheating, idling preheating time is t2:60s；
7), idling speed is adjusted: idling speed controls at 1500 ± 100r/min；
8), the temperature field of motorcycle to be measured, the engine lubrication oil temperature of motorcycle the most to be measured, electromotor spark are measured
Plug temperature, if the temperature field of motorcycle to be measured is inconsistent with the temperature of standard temperature field, then continues step 9；Rub if to be measured
The temperature field of motorcycle is consistent with the temperature of standard temperature field, i.e. lubricating oil temperature differs ± 2 DEG C, and spark plug temperature differs ± 5 DEG C,
Then jump to step 11；
9), motorcycle to be measured is cooled down completely；
10), return to step 5, and adjust speed of service v of motorcycle to be measured；
11), motorcycle to be measured preheats in latter 10 minutes and completes following idling and measure:
11a) at exhaust silencer afterbody add one long 600mm, internal diameterSpecial seal adapter；
11b) maintain idling operation, sampling probe is inserted adapter, it is ensured that insertion depth is 400mm, reads probe simultaneously
After insertion, the indicated value of HC and CO during 30s is as measured value；
11c) interval 1min, repeats step 11b；
11d) measurement result takes the arithmetic mean of instantaneous value of twice；If during multiple exhaustor, take each exhaustor measurement result
Arithmetic mean of instantaneous value；
12), Figure correction: the carbon monoxide emission value after the revision of the convention retains two decimals；Hydrocarbon remains into ten
Number；
13), record idle exhaust emission measurement result；
14), return to step 4, the motorcycle of next same model is carried out discharge measuring.
Embodiment two
See Fig. 1, a kind of motorcycle emission measuring method, including following measuring process:
1. a motorcycle emission measuring method, it is characterised in that include following measuring process:
1) motorcycle meeting discharging standards of model to be measured, is selected；
2), start motorcycle, by one of following condition carry out vehicle preheating 90s:
2a) motorcycle runs 10km with speed 50km/h；
2b) motorcycle runs four circulations by GB14622 regulation operating mode on chassis dynamometer；
2c) motorcycle travels 15 minutes under normal road transportation condition；
3), the engine lubrication oil temperature of motorcycle, engine spark plug temperature are measured, in this, as standard temperature
?；
4), a motorcycle to be measured is selected；
5), running motorcycle to be measured, by motorcycle rapidly pre-warming to be measured, its speed of service is v:60km/h≤v≤80km/
H, the rapidly pre-warming time is t1:170s；
6), motorcycle to be measured being transformed into idling mode, carry out idling preheating, idling preheating time is t2:90s；
7), idling speed is adjusted: idling speed controls at 1500 ± 100r/min；
8), the temperature field of motorcycle to be measured, the engine lubrication oil temperature of motorcycle the most to be measured, electromotor spark are measured
Plug temperature, if the temperature field of motorcycle to be measured is inconsistent with the temperature of standard temperature field, then continues step 9；Rub if to be measured
The temperature field of motorcycle is consistent with the temperature of standard temperature field, i.e. lubricating oil temperature differs ± 2 DEG C, and spark plug temperature differs ± 5 DEG C,
Then jump to step 11；
9), motorcycle to be measured is cooled down completely；
10), return to step 5, and adjust speed of service v of motorcycle to be measured；
11), motorcycle to be measured preheats in latter 10 minutes and completes following idling and measure:
11a) at exhaust silencer afterbody add one long 600mm, internal diameterSpecial seal adapter；
11b) maintain idling operation, sampling probe is inserted adapter, it is ensured that insertion depth is 400mm, reads probe simultaneously
After insertion, the indicated value of HC and CO during 30s is as measured value；
11c) interval 1min, repeats step 11b；
11d) measurement result takes the arithmetic mean of instantaneous value of twice；If during multiple exhaustor, take each exhaustor measurement result
Arithmetic mean of instantaneous value；
12), Figure correction: the carbon monoxide emission value after the revision of the convention retains two decimals；Hydrocarbon remains into ten
Number；
13), record idle exhaust emission measurement result；
14), return to step 4, the motorcycle of next same model is carried out discharge measuring.
Embodiment three
See Fig. 1, a kind of motorcycle emission measuring method, including following measuring process:
1) motorcycle meeting discharging standards of model to be measured, is selected；
2), start motorcycle, by one of following condition carry out vehicle preheating 90s:
2a) motorcycle runs 10km with speed 50km/h；
2b) motorcycle runs four circulations by GB14622 regulation operating mode on chassis dynamometer；
2c) motorcycle travels 15 minutes under normal road transportation condition；
3), the engine lubrication oil temperature of motorcycle, engine spark plug temperature are measured, in this, as standard temperature
?；
4), a motorcycle to be measured is selected；
5), running motorcycle to be measured, by motorcycle rapidly pre-warming to be measured, its speed of service is v:80km/h, rapidly pre-warming
Time is t1:180s；
6), motorcycle to be measured being transformed into idling mode, carry out idling preheating, idling preheating time is t2:150s；
7), idling speed is adjusted: idling speed controls at 1500 ± 100r/min；
8), the temperature field of motorcycle to be measured, the engine lubrication oil temperature of motorcycle the most to be measured, electromotor spark are measured
Plug temperature, if the temperature field of motorcycle to be measured is inconsistent with the temperature of standard temperature field, then continues step 9；Rub if to be measured
The temperature field of motorcycle is consistent with the temperature of standard temperature field, i.e. lubricating oil temperature differs ± 2 DEG C, and spark plug temperature differs ± 5 DEG C,
Then jump to step 11；
9), motorcycle to be measured is cooled down completely；
10), return to step 5, and adjust speed of service v of motorcycle to be measured；
11), motorcycle to be measured preheats in latter 10 minutes and completes following idling and measure:
11a) at exhaust silencer afterbody add one long 600mm, internal diameterSpecial seal adapter；
11b) maintain idling operation, sampling probe is inserted adapter, it is ensured that insertion depth is 400mm, reads probe simultaneously
After insertion, the indicated value of HC and CO during 30s is as measured value；
11c) interval 1min, repeats step 11b；
11d) measurement result takes the arithmetic mean of instantaneous value of twice；If during multiple exhaustor, take each exhaustor measurement result
Arithmetic mean of instantaneous value；
12), Figure correction: the carbon monoxide emission value after the revision of the convention retains two decimals；Hydrocarbon remains into ten
Number；
13), record idle exhaust emission measurement result；
14), return to step 4, the motorcycle of next same model is carried out discharge measuring.
Claims (3)
1. a motorcycle emission measuring method, it is characterised in that include following measuring process:
1) motorcycle meeting discharging standards of model to be measured, is selected；
2), start motorcycle, carry out vehicle preheating by one of following condition:
2a) motorcycle runs 10km with speed 50km/h；
2b) by GB 14622, motorcycle specifies that operating mode runs four circulations on chassis dynamometer；
2c) motorcycle travels at least 10 minutes under normal road transportation condition；
3), the engine lubrication oil temperature of motorcycle, engine spark plug temperature are measured, in this, as standard temperature field；
4), a motorcycle to be measured is selected；
5), running motorcycle to be measured, by motorcycle rapidly pre-warming to be measured, its speed of service is v:60km/h≤v≤80km/h, soon
Fast preheating time is t1:150s≤t1≤180s；
6), motorcycle to be measured is transformed into idling mode, carries out idling preheating, idling be preheating time t2:60s≤t2≤
150s；
7), idling speed is adjusted: idling speed controls at 1500 ± 100r/min；
8), the temperature field of motorcycle to be measured, the engine lubrication oil temperature of motorcycle the most to be measured, engine spark plug temperature are measured
Degree, if the temperature field of motorcycle to be measured is inconsistent with the temperature of standard temperature field, then continues step 9；If motorcycle to be measured
Temperature field consistent with the temperature of standard temperature field, i.e. lubricating oil temperature differ ± 2 DEG C, spark plug temperature differ ± 5 DEG C, then jump
Forward step 11 to；
9), motorcycle to be measured is cooled down completely；
10), return to step 5, and adjust speed of service v of motorcycle to be measured；
11), motorcycle to be measured preheats in latter 10 minutes and completes following idling and measure:
11a) at exhaust silencer afterbody add one long 600mm, internal diameterSpecial seal adapter；
11b) maintain idling operation, sampling probe is inserted adapter, it is ensured that insertion depth is 400mm, read probe simultaneously and insert
The indicated value of HC and CO during rear 30s is as measured value；
11c) interval 1min, repeats step 11b；
11d) measurement result takes the arithmetic mean of instantaneous value of twice；If during multiple exhaustor, take the arithmetic of each exhaustor measurement result
Meansigma methods；
12), Figure correction: the carbon monoxide emission value after the revision of the convention retains two decimals；Hydrocarbon remains into tens；
13), record idle exhaust emission measurement result；
14), return to step 4, the motorcycle of next same model is carried out discharge measuring.
2. according to a kind of motorcycle emission measuring method described in claim 1, it is characterised in that: the motorcycle of step 5 runs
Speed v=70km/h, rapidly pre-warming time t1=150s；Motorcycle idle speed t2=90s preheating time of step 6.
3. according to a kind of motorcycle emission measuring method described in claim 2, it is characterised in that: in step 10, to running speed
Each adjusting range of degree v is ± 3km/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610995536.0A CN106323649A (en) | 2016-11-11 | 2016-11-11 | Motorcycle emission measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610995536.0A CN106323649A (en) | 2016-11-11 | 2016-11-11 | Motorcycle emission measuring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106323649A true CN106323649A (en) | 2017-01-11 |
Family
ID=57816416
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|---|---|---|---|
| CN201610995536.0A Withdrawn CN106323649A (en) | 2016-11-11 | 2016-11-11 | Motorcycle emission measuring method |
Country Status (1)
| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192558A (en) * | 2017-05-19 | 2017-09-22 | 堀场仪器（上海）有限公司 | A kind of engine exhaust emission test method and system for simulating real vehicle state |
| CN114441192A (en) * | 2022-01-26 | 2022-05-06 | 重庆长安汽车股份有限公司 | Method for testing and evaluating heat accumulation and power attenuation of passenger vehicle at normal temperature |
| CN114577482A (en) * | 2022-02-28 | 2022-06-03 | 东风汽车有限公司东风日产乘用车公司 | Bench measuring vehicle emission method, electronic device and storage medium |
-
2016
- 2016-11-11 CN CN201610995536.0A patent/CN106323649A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192558A (en) * | 2017-05-19 | 2017-09-22 | 堀场仪器（上海）有限公司 | A kind of engine exhaust emission test method and system for simulating real vehicle state |
| CN114441192A (en) * | 2022-01-26 | 2022-05-06 | 重庆长安汽车股份有限公司 | Method for testing and evaluating heat accumulation and power attenuation of passenger vehicle at normal temperature |
| CN114441192B (en) * | 2022-01-26 | 2023-07-04 | 重庆长安汽车股份有限公司 | Test and evaluation method for heat accumulation and power attenuation of passenger car at normal temperature |
| CN114577482A (en) * | 2022-02-28 | 2022-06-03 | 东风汽车有限公司东风日产乘用车公司 | Bench measuring vehicle emission method, electronic device and storage medium |
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Application publication date: 20170111 |