QC/T 658-2009Road test method for performance of automotive air conditioning refrigeration systems (English PDF)

Foreword

This Standard is an amendment to the methods for outdoor static and outdoor running tests of QC/T 658-2000, Air-conditioning complete vehicle refrigeration performances road test method for motor vehicles. The main contents of amendment are as follows.

-- it amends the scope of application;

-- it amends the normative references;

-- it amends the term of solar radiation intensity;

-- it adds the concept of maximum refrigeration;

-- it amends the contents of 4.1 ~ 4.4 and 5.1.1.1;

-- it adds four test methods (5.1.2, 5.2, 5.3, 5.4);

-- it amends Annexes A and B and adds Annex C.

2 Normative references

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

GB/T 5591.3, Combined flexible materials for electrical insulation - Part 3. Specifications for individual materials (GB/T 5591.3-2008, IEC 60626-3:2002, MOD)

GB/T 13542.4-2009, Film for electrical insulation - Part 4: Polythylene terephthalate film used for electrical insulation (IEC 60674-3-2:1992, MOD)

GB/T 13542.6-2006, Film for electrical insulation - Part 6: Polyimide films for electrical insulation (IEC 60674-3-4/6.1993, MOD)

JB/T 12169-2015, Pressboard and presspaper for electrical purposes - Presspaper (IEC 60641-3-2:2007, MOD)

IEC 60554-3-1:1979, Specification for cellulosic papers for electrical purposes - Part 3: Specifications for individual materials - Sheet 1.General purpose electrical paper

3 Terms and definitions

For the purposes of this Standard, the following terms and definitions apply.

4 Test conditions

4.3 Requirements for number of tester operators in the vehicle

4.2.3 Confirm that the tire pressure is as specified in the instructions for use of vehicle;

4.2.6 Arrange measuring points as required in Annex A to this Standard and install sensors;

4.2.7 Confirm that the air outlet of air-conditioning system is set the maximum position as designed;

4.2.8 The vehicle is under the curb weight.

5 Test methods

5.1 Method for testing refrigeration performance and comfortability of air-conditioning refrigeration system under steady working conditions

5.2 Method for testing refrigeration performance of air-conditioning refrigeration system under variable working conditions

5.2.1 At the preheating temperature rise stage, the vehicle is parked in the test site with all doors and windows closed; it is exposed to direct sunlight for 90 min under the conditions of 4.5.2.

5.2.2 Test participants enter the vehicle, start the engine, start the vehicle, record the initial readings at all measuring points and set the vehicle at maximum refrigeration.

5.2.3 The working conditions shall include starting, acceleration, gear shifting, braking, stopping, idling and so on; the vehicle is operated by reference to the cyclic working conditions for urban operation as specified in GB 18352.3-2005, with the test duration of 45 min; record data as required in 5.1.1.4.

6 Recording of measured data

All data measured shall be recorded in log sheets which is as specified in or similar to those specified in Annex C.

Annex A (Informative)

Diagram of the structure of cross-shaped wind break wall […]