GB 18352.1-2001 Light-duty vehicle pollutant emission limits and measurement methods (Ⅰ)

GB 18352.1-2001 Light-duty vehicle pollutant emission limits and measurement methods (I) GB18352.1-2001 standard download decompression password: www.bzxz.net

IcS 13.040.50
National Standard of the People's Republic of China
GB 18352.1—2001
Limits and measurement methodsfor cmissions from light-duty vehieles (I)
Limits and measurement methodsfor cmissions from light-duty vehieles (I)2001-04-16Promulgated
State Environmental Protection Administration
General Administration of Quality Supervision, Inspection and Quarantine
2001 04 16 Implementation
2 Reference standard-
Definition:
Application for type certification:
Type certification test and emission limits
Extension of type certification-
Production validity inspection test and emission limits8 Implementation date of emission limits-
Appendix A [Appendix to the standard)
Appendix B (Appendix to the standard)
Appendix C (Appendix to the standard)
Appendix D (Appendix to the standard)
Appendix E (Appendix to the standard)
Appendix F (Appendix to the standard)
Appendix G (Appendix to the standard)
Appendix H (Appendix to the suggestion) (recorded)
Type certification application materials requirements
Test result report
Exhaust pollutant emission test after cold start (Type I test)Crankcase gas emission test (Type II test)Evaporative emission test for vehicles equipped with spark ignition enginesClosed chamber method (Type IV test)Durability test for pollution control devices (Type V test)Technical requirements for base fuel
References
GB18352-12001
1 Scope
National Standard of the People's Republic of China
Light-duty vehicle pollutant emission limits
and test method (I)
GB 18352.1—2001
Replaces: corresponding parts of GWPB1—1991
HJ/T 26.1~26.5:1999
G13 747671995
Limits and mcasurcment methods for missiansfrom light-duty vehicles (1) This standard specifies the emission limits for type certification and production consistency inspection tests of light-duty vehicles and the durability requirements of pollution control devices.
This standard specifies the test methods for exhaust emissions after cold start, axle box gas emissions, evaporative emissions of vehicles equipped with spark ignition engines, and durability tests of pollution control devices. This standard applies to light-duty vehicles powered by spark ignition engines or compression ignition engines with a maximum design speed greater than or equal to 50 km/h.
2 Cited Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. The versions shown are valid when the standards are published. All standards will be revised, and parties using this standard should discuss the possibility of using the latest versions of the following standards. GB/T 15089-94 Classification of motor vehicles
GB/T14763-93 Test and collection method for pollutants emitted by gasoline vehicles GB17930-1999 Unleaded gasoline for vehicles
3 Definitions
This standard uses the following definitions:
3.1 Light-duty motor vehicles
Light-duty motor vehicles refer to vehicles of class M1, M2, and M3 with a maximum gross mass not exceeding 3.5t: 3.2 Mt, M4, and M5 vehicles
As defined in GB/T 15089;
M, M6, and M7 vehicles refer to passenger vehicles with at least four wheels, or one wheel with a maximum gross mass exceeding 11. Excluding the driver's seat, the passenger capacity does not exceed 8 seats.
M1 vehicle refers to a passenger vehicle with at least four wheels, or three wheels with a factory-determined maximum total mass exceeding 11, with more than 8 passenger seats excluding the driver's seat, and a factory-determined maximum total mass not exceeding 5 t. Ni vehicle refers to a cargo vehicle with at least four wheels, or three wheels with a factory-determined maximum total mass exceeding 1 t, and a factory-determined maximum total mass not exceeding 3.6 t.
3.3 Class… vehicle
M1 vehicle with a designed number of passengers not exceeding 6 (including motor) and a maximum total mass of 2.5 t. 3.4 Second class vehicle
Approved by the State Environmental Protection Administration on 2001-04-10, 2001-04-16 Implementation
GB18352.1-2001
This standard is formulated to implement the "Environmental Protection Law of the People's Republic of China" and the "Law of the People's Republic of China on the Prevention and Control of Air Pollution", prevent and control the pollution of motor vehicle pollutants to the environment, and improve the quality of ambient air. This standard is equivalent to the European Union (EU) Directive 93/59/FC amending Directive 70/220/EEC on the coordination of the laws of the Member States on the adoption of measures to prevent motor vehicle emissions from polluting the atmosphere, and the technical content of the Directive 98/77/EC and the technical steps of the Directive 70/22G/EF on the coordination of the laws of the Member States on the adoption of measures to prevent motor vehicle emissions from polluting the atmosphere. This standard stipulates that light vehicles, i.e. the most human The "Light-Duty Vehicle Pollutant Emission Standard" (GWPB1-1999) is the first revision of the national pollutant emission standards "Light-Duty Vehicle Exhaust Pollutant Emission Standard" (G114761.193), "Automobile Crankcase Pollutant Emission Standard" (GB14761.4-93) and "Gasoline Vehicle Fuel Evaporative Pollutant Emission Standard" (GB14761.3-93). This standard was implemented on January 1, 2000. From the date of implementation of this standard, the corresponding part of the original national pollutant emission standard will be replaced. Before the implementation of the specific standard value specified in this standard, the corresponding part will still be implemented in accordance with the original standard.
The main contents of this standard are equivalent to the corresponding contents of the first phase of the "Light-duty Vehicle Pollutant Emission Standard" (GWPB11999), and the pollutant emission limits of gas fuel vehicles are added. The implementation time is still in accordance with the provisions of GWPB1-1999. From the date of publication of this standard, the following standards will be abolished: GWPB11999 "Light-duty Vehicle Pollutant Emission Standard" (Phase 1) HJ/T26.1~-26.5-1999 "Light-duty Vehicle Emission Pollutant Test Method" GB14761-1999 "Automobile Emission Pollutant Limit and Test Method" Appendix A, Appendix B, Appendix C, Appendix ID), Appendix E, Appendix F and Appendix G of this standard are appendices to the standard. Appendix H is an additional appendix.
This standard is proposed by the Science and Technology Standards Department of the State Environmental Protection Administration. The State Environmental Protection Administration is responsible for the interpretation of this standard. GB 18352 1-2001
This standard applies to all light vehicles except Class ·- vehicles. 3.5 Vehicle type
The type of motor vehicle. A vehicle type should be the same in the following main aspects: (1) Equivalent inertia determined based on the base mass as specified in Appendix (C5.1); (2) Engine and vehicle characteristics as specified in Appendix A and Appendix B. 3.6 Base mass (RM)
The base mass refers to the curb weight of the vehicle plus 190 kg. 3.7 Maximum gross vehicle mass (GVW)
The maximum gross vehicle mass refers to the technically permitted maximum vehicle mass specified by the automobile manufacturer. 3.8 Gaseous pollutants
Gaseous pollutants refer to carbon monoxide (CO), hydrocarbons (HC) and nitrogen oxides (NO). Oxides are expressed in nitrogen dioxide (NO2) equivalents. Hydrocarbons are expressed in carbon (C) equivalents, assuming the carbon ammonia ratio is as follows: ) Gasoline is C:Hi.i
b) Diesel is CHt.
c) Liquefied petroleum gas is C,H2. 8xe3
d) Natural gas is CH
3.9 Particulate matter (PM)
Particulate matter refers to the solid or liquid particles collected by the filter in the diluted exhaust gas with a maximum temperature of 52°C according to the sampling method described in the appendix.
3. Exhaust emissions (pollutants)
For vehicles powered by spark ignition engines, it refers to the gaseous pollutants emitted from the exhaust pipe; for vehicles powered by compression ignition engines, it refers to the gaseous pollutants and particulate matter emitted from the exhaust pipe. 3.11 Emissions
Evaporative emissions refer to hydrocarbons lost from the fuel (vapor duct) system of a vehicle, in addition to emissions from the vehicle's exhaust pipe. (1) Fuel tank breathing loss (also known as intermittent ventilation loss): Carbon and nitrogen compounds emitted due to temperature changes in the fuel tank (expressed in C, H2 equivalent).
(2) Heat soak loss: Carbon oxides emitted from the fuel system of a stationary vehicle after the vehicle has been running for a period of time (expressed in C, H2.2 equivalent).
3.12 Crankcase emissions
Refers to gaseous pollutants emitted from the engine crankcase into the atmosphere. The engine crankcase refers to the space inside or outside the engine, which is connected to the oil pan by internal or external pipes, and gases and vapors can escape from this channel. 3.13 Cold start devices/measures
Devices/measures that temporarily add air/fuel mixture to start the engine. 3.74 Starting aids/measures
A device/measure that assists the starting of an engine without enriching the air/fuel mixture of the engine, such as: preheating plugs, changing the injection timing, etc.
3.15 Engine displacement
For reciprocating piston engines, it refers to the nominal cylinder displacement of the engine; for rotary engines, it refers to twice the nominal cylinder displacement of the engine.
3.16 Pollution control devices
It refers to the device used by the vehicle to control and limit exhaust emissions and evaporative emissions. 3.17 Equivalent inertia
It refers to the mass equivalent to the moving and rotating inertia of a vehicle when it is simulated on a chassis dynamometer using an inertia simulator. 3.18 Gaseous fuel
GB18352.1—2001
It refers to liquefied petroleum gas (LPG) or natural gas (NG). 3.19 Dual-fuel vehicle
Vehicles that can burn gasoline and one gaseous fuel. 3.20 Single-fuel vehicle
Vehicles that can burn gasoline and one gaseous fuel (LPG or NG), but gasoline is only used in emergencies or engine starting, and the gasoline tank capacity does not exceed 15L.
4 Application for type certification
4.1 The application for type certification of a vehicle model shall be submitted by the manufacturer or its legal representative. The submitted content shall include indicators such as exhaust pollutant emissions after cold start, fuel evaporation pollutant emissions, crankcase pollutant emissions and durability of emission control devices of the vehicle model. 4.2 Submit relevant technical information in accordance with the requirements of Appendix A of this standard. When extending type certification, it is necessary to provide copies of other related type certifications and test data to support the certification extension and determine the degradation coefficient. 4.3 Submit a sample vehicle to be type certified to the technical inspection department responsible for type certification, and test it according to the method specified in Chapter 5 of this standard.
5 Type Approval Test and Emission Limits
5.1 Overview
5.1.1 The design, manufacture and installation of components that may affect vehicle exhaust emissions and thermal emission performance must ensure that the vehicle can still meet the requirements of this standard under normal use and when the components are subjected to vibration. This standard requires manufacturers to take certain technical measures to ensure that the vehicle effectively reduces exhaust pollutant emissions and fuel evaporation emissions during normal use and under normal use conditions. If an oxygen sensor is used in the vehicle's catalytic converter system, corresponding measures must be taken to ensure that the theoretical air-fuel ratio (1) can still be effectively controlled at a certain speed and acceleration. 5.1.2 Vehicles powered by gasoline engines must be designed to be suitable for the use of commercially available unleaded gasoline specified in GB17930. 5.2 Type Approval Test RequirementsbzxZ.net
The tests required for different types of vehicles during type approval are shown in Table 1. Table" Vehicle type approval test items
Type approval test
Exhaust emission test
(Type test)
Crankcase emission test
(Type IV test)
Evaporative emission test
(Type N test)
Durability test
(Type T test)
Extension of certification
Gasoline vehicle
5.3 Type approval test emission limit
5.3.1 Exhaust emission test
Vehicles equipped with spark-ignition engines
IPG/NG Vehicles
Not subject to
Chapter 6
Type test
5.3.1.1 All vehicles must be subject to this test. Dual-fuel vehicles
Only for vehicles fueled by gasoline
5.3.1-1.1 For dual-fuel vehicles, type 1 test shall be carried out for each fuel. Vehicles equipped with compression ignition engines
Not subject to
Not subject to
Chapter 6 (for vehicles under M, and N, categories with a standard mass not exceeding 240kg)
GB 18352. 1- 2001
5.3.1.1.2 For single fuel vehicles, only the Type 1 test shall be carried out based on the combustion of gas fuel. 5.3.1.2 The emission limits for the Type 1 test for vehicle type approval are shown in Table 2. Table 2 Emission limits for Type Approval Test
Vehicle Type
First Category Vehicle
Second Category Vehicle
Reference Quality
RM≤1 250
1 250RM≤1 700
RM>1 700
Carbon Monohydride
(CO) L
Ignition
Compression Ignition
Engine
Engine
Hydrocarbons and Nitrogen Hydrogens
(HC+NOx) 1..
Ignition
Engine
Non-fuel injection compression ignition
Engine
Direct injection diesel engine
Note: 1) Applicable to vehicles powered by compression ignition engines. 2) The validity period of the optional emission limit values ​​for vehicles powered by direct injection diesel engines listed in the table is 2 years. 3) The validity period of the emission limit values ​​for vehicles powered by direct injection diesel engines not listed in the table is 1 year. 5.3.1.3 Test result judgment rules
Unit: g /km
zhenjiaowu
non-direct injection compression ignition
engine
V, V, V represent: 1, 2, 3 test results of pollutants: I, represents the emission limit of pollutants. Direct injection compression ignition
engine
5.3.1.3.1 The test should be repeated three times. For a vehicle of a given reference mass, the result of each test multiplied by the degradation factor (DF) determined in 5.3.4 (the value is expressed as V1, V, V) should be less than the emission limit in Table 2. That is, in the three tests, each time for each pollutant VL.;Va1 The application for type certification of a vehicle type shall be submitted by the manufacturer or its legal representative, and the content submitted shall include the exhaust pollutant emissions after cold start, fuel evaporation pollutant emissions, crankcase pollutant emissions and durability of emission control devices of the vehicle type. 4.2 Submit relevant technical information in accordance with the requirements of Appendix A of this standard. When extending the type certification, it is necessary to provide copies of other related type certifications and test data to support the certification extension and determine the degradation coefficient. 4.3 Submit a sample vehicle to be type certified to the technical inspection department responsible for type certification, and test it according to the methods specified in Chapter 5 of this standard.
5 Type certification test and emission limit value
5.1 Overview
5.1.1 For the design, manufacture and installation of components that are likely to affect the exhaust pipe emissions and thermal emission performance of the vehicle, it must be ensured that the vehicle can still meet the requirements of this standard under normal use and when the components are subjected to vibration. This standard requires that manufacturers must take certain technical measures to ensure that vehicles can effectively reduce exhaust pipe pollutant emissions and fuel evaporation emissions during normal service life and under normal use conditions. If an oxygen sensor is used in the vehicle's catalytic converter system, corresponding measures must be taken to ensure that the theoretical air-fuel ratio (1) can still be effectively controlled at a certain speed and acceleration. 5.1.2 Vehicles powered by gasoline engines must be designed to be suitable for the use of commercially available unleaded gasoline specified in GB17930. 5.2 Type certification test requirements
The tests required for different types of vehicles during type certification are shown in Table 1. Table" Vehicle type approval test items
Type approval test
Exhaust emission test
(Type test)
Crankcase emission test
(Type IV test)
Evaporative emission test
(Type N test)
Durability test
(Type T test)
Extension of certification
Gasoline vehicle
5.3 Type approval test emission limit
5.3.1 Exhaust emission test
Vehicles equipped with spark-ignition engines
IPG/NG Vehicles
Not subject to
Chapter 6
Type test
5.3.1.1 All vehicles must be subject to this test. Dual-fuel vehicles
Only for vehicles fueled by gasoline
5.3.1-1.1 For dual-fuel vehicles, type 1 test shall be carried out for each fuel. Vehicles equipped with compression ignition engines
Not subject to
Not subject to
Chapter 6 (for vehicles under M, and N, categories with a standard mass not exceeding 240kg)
GB 18352. 1- 2001
5.3.1.1.2 For single fuel vehicles, only the Type 1 test shall be carried out based on the combustion of gas fuel. 5.3.1.2 The emission limits for the Type 1 test for vehicle type approval are shown in Table 2. Table 2 Emission limits for Type Approval Test
Vehicle Type
First Category Vehicle
Second Category Vehicle
Reference Quality
RM≤1 250
1 250RM≤1 700
RM>1 700
Carbon Monohydride
(CO) L
Ignition
Compression Ignition
Engine
Engine
Hydrocarbons and Nitrogen Hydrogens
(HC+NOx) 1..
Ignition
Engine
Non-fuel injection compression ignition
Engine
Direct injection diesel engine
Note: 1) Applicable to vehicles powered by compression ignition engines. 2) The validity period of the optional emission limit values ​​for vehicles powered by direct injection diesel engines listed in the table is 2 years. 3) The validity period of the emission limit values ​​for vehicles powered by direct injection diesel engines not listed in the table is 1 year. 5.3.1.3 Test result judgment rules
Unit: g /km
zhenjiaowu
non-direct injection compression ignition
engine
V, V, V represent: 1, 2, 3 test results of pollutants: I, represents the emission limit of pollutants. Direct injection compression ignition
engine
5.3.1.3.1 The test should be repeated three times. For a vehicle of a given reference mass, the result of each test multiplied by the degradation factor (DF) determined in 5.3.4 (the value is expressed as V1, V, V) should be less than the emission limit in Table 2. That is, in the three tests, each time for each pollutant VL.;Va1 The application for type certification of a vehicle type shall be submitted by the manufacturer or its legal representative, and the content submitted shall include the exhaust pollutant emissions after cold start, fuel evaporation pollutant emissions, crankcase pollutant emissions and durability of emission control devices of the vehicle type. 4.2 Submit relevant technical information in accordance with the requirements of Appendix A of this standard. When extending the type certification, it is necessary to provide copies of other related type certifications and test data to support the certification extension and determine the degradation coefficient. 4.3 Submit a sample vehicle to be type certified to the technical inspection department responsible for type certification, and test it according to the methods specified in Chapter 5 of this standard.
5 Type certification test and emission limit value
5.1 Overview
5.1.1 For the design, manufacture and installation of components that are likely to affect the exhaust pipe emissions and thermal emission performance of the vehicle, it must be ensured that the vehicle can still meet the requirements of this standard under normal use and when the components are subjected to vibration. This standard requires that manufacturers must take certain technical measures to ensure that vehicles can effectively reduce exhaust pipe pollutant emissions and fuel evaporation emissions during normal service life and under normal use conditions. If an oxygen sensor is used in the vehicle's catalytic converter system, corresponding measures must be taken to ensure that the theoretical air-fuel ratio (1) can still be effectively controlled at a certain speed and acceleration. 5.1.2 Vehicles powered by gasoline engines must be designed to be suitable for the use of commercially available unleaded gasoline specified in GB17930. 5.2 Type certification test requirements
The tests required for different types of vehicles during type certification are shown in Table 1. Table" Vehicle type approval test items
Type approval test
Exhaust emission test
(Type test)
Crankcase emission test
(Type IV test)
Evaporative emission test
(Type N test)
Durability test
(Type T test)
Extension of certification
Gasoline vehicle
5.3 Type approval test emission limit
5.3.1 Exhaust emission test
Vehicles equipped with spark-ignition engines
IPG/NG Vehicles
Not subject to
Chapter 6
Type test
5.3.1.1 All vehicles must be subject to this test. Dual-fuel vehicles
Only for vehicles fueled by gasoline
5.3.1-1.1 For dual-fuel vehicles, type 1 test shall be carried out for each fuel. Vehicles equipped with compression ignition engines
Not subject to
Not subject to
Chapter 6 (for vehicles under M, and N, categories with a standard mass not exceeding 240kg)
GB 18352. 1- 2001
5.3.1.1.2 For single fuel vehicles, only the Type 1 test shall be carried out based on the combustion of gas fuel. 5.3.1.2 The emission limits for the Type 1 test for vehicle type approval are shown in Table 2. Table 2 Emission limits for Type Approval Test
Vehicle Type
First Category Vehicle
Second Category Vehicle
Reference Quality
RM≤1 250
1 250RM≤1 700
RM>1 700
Carbon Monohydride
(CO) L
Ignition
Compression Ignition
Engine
Engine
Hydrocarbons and Nitrogen Hydrogens
(HC+NOx) 1..
Ignition
Engine
Non-fuel injection compression ignition
Engine
Direct injection diesel engine
Note: 1) Applicable to vehicles powered by compression ignition engines. 2) The validity period of the optional emission limit values ​​for vehicles powered by direct injection diesel engines listed in the table is 2 years. 3) The validity period of the emission limit values ​​for vehicles powered by direct injection diesel engines not listed in the table is 1 year. 5.3.1.3 Test result judgment rules
Unit: g /km
zhenjiaowu
non-direct injection compression ignition
engine
V, V, V represent: 1, 2, 3 test results of pollutants: I, represents the emission limit of pollutants. Direct injection compression ignition
engine
5.3.1.3.1 The test should be repeated three times. For a vehicle of a given reference mass, the result of each test multiplied by the degradation factor (DF) determined in 5.3.4 (the value is expressed as V1, V, V) should be less than the emission limit in Table 2. That is, in the three tests, each time for each pollutant VL.;VaThe emission limit of each pollutant. Direct injection compression ignition engine
5.3.1.3.1 test should be repeated three times. For a vehicle of a given reference mass, the result of each test multiplied by the degradation factor (DF) determined in 5.3.4 (the value is expressed as V1, V, V) should be less than the emission limit in Table 2. That is, in the three tests, each pollutant VL.;VaThe emission limit of each pollutant. Direct injection compression ignition engine
5.3.1.3.1 test should be repeated three times. For a vehicle of a given reference mass, the result of each test multiplied by the degradation factor (DF) determined in 5.3.4 (the value is expressed as V1, V, V) should be less than the emission limit in Table 2. That is, in the three tests, each pollutant VL.;Va
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