QC/T 970-2014 in English

1 Scope

This standard specifies the technical requirements, test methods and inspection rules for passenger car air filter (hereinafter referred to as air filter) and filter element; for filter element, which is the core component of air filter, its technical requirements is applicable to air filter.

This standard is applicable to passenger car air filter and filter element with volume flow below 900m3/h. It also serves as reference for other air filters and filter elements.

2 Normative References

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 2298-1991 Mechanical Vibration and Shock - Terminology
GB/T 2423.56-2006/
IEC 60068-2-64:1993 Environmental Testing for Electric and Electronic Products - Part 56: Test Methods - Test Fh: Vibration, Broad-band Random (Digital Control) and Guidance
GB/T 2423.58-2008/
IEC 60068-2-80:2005 Environmental Testing for Electric and Electronic Products - Part 58: Tests -Test Fi: Vibration - Mixed Mode
GB 3240 Preferred Frequencies for The Acoustical Measurement
GB/T 3241-1998 Octave-Band and Fractional-octave-band Filter
GB/T 3730.1-2001 Motor Vehicles and Trailers - Types - Terms and Definitions
GB/T 3785.1-2010 Electroacoustics - Sound Level Meters - Part 1:Specifications
GB/T 3947-1996 Acoustical Terminology
GB/T 4760-1995 Acoustics - Measurement Procedure for Silencers
GB/T 6881.1-2002
(idt ISO 3741: 1999) Acoustics - Determination of Sound Power Levels of Noise Sources Using Sound Pressure - Precision Methods for Reverberation Rooms
GB 8410-2006 Flammability of Automotive Interior Materials
GB/T 10125-1997 Corrosion Tests In Artificial Atmospheres - Salt Spray Test
GB/T 14656-2009 Test Method for Burning Behavior of Flame-Retardant Paper and Board
GB/T 15173 Electroacoustics- Sound Calibrators
QC/T 32-2006 Test Methods of Air Cleaners for Automobiles
ISO 5011-2000 Inlet Air Cleaning Equipment for Internal Combustion Engines and Compressors - Performance Testing
ISO 12103-1 Road Vehicles - Test Dust for Filter Evaluation Part 1: Arizona Test Dust
ISO 16750.3-2003 Road Vehicles - Environmental Conditions and Testing for Electrical and Electronic Equipment

3 Terms and Definitions

For the purposes of this document, the terms and definitions given in QC/T 32-2006, GB/T 2298-1991, GB/T 3730.1-2001, GB/T 3947-1996 and GB/T 4760-1995 and the following apply.

3.1
condition pressurize performance
sealing capacity of air filter shell against external environment under working conditions, L/h

Foreword i
Introduction ii
1 Scope
2 Normative References
3 Terms and Definitions
4 Requirements
5 Test Method
6 Inspection Rules
Annex A (Normative) Test Devices