ICS 27.200
CCS J 73
National Standard of the People’s Republic of China
GB/T 22068-2025
Replaces GB/T 22068-2018
Electrically driven compressor assembly for automobile air conditioning
汽車空調用電動壓縮機總成
(English translation)
Issue date: 2025-01-24 Implementation date: 2025-08-01
Issued by the State Administration for Market Regulation
the Standardization Administration of the People's Republic of China
Contents
Foreword i
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 Types and basic parameters 3
5 Technical requirements 5
6 Test methods 16
7 Inspection rules 30
8 Marking, packaging, transport and storage 33
Foreword
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents.
This document replaces GB/T 22068-2018 Electrically driven compressor assembly for automobile air conditioning. In addition to structural adjustments and editorial changes, the following main technical changes have been made with respect to GB/T 22068-2018:
a) The scope of application is modified (see Clause 1 hereof; and Clause 1 of Edition 2018);
b) The definition of the term "electrically driven compressor assembly" is modified (see 3.1 hereof; and 3.1 of Edition 2018);
c) The term "continuous liquid durability test" and its definition are added (see 3.5 hereof);
d) The term "initiation of the liquid shock durability test" and its definition are added (see 3.6 hereof);
e) The function-based classification type of compressor products is modified (see 4.1 hereof; and 4.1 of Edition 2018);
f) The range of the refrigerant used for compressors is modified (see 4.2 hereof; and 4.2 of Edition 2018);
g) The nominal conditions for compressors are modified (see 4.3 hereof; and 4.3 of Edition 2018);
h) The general requirements for electrically driven compressors are modified and the requirement for integral compressors is added (see 5.1.2 hereof; and 5.1 of Edition 2018);
i) The refrigerating (heating) coefficient of performance (COP) limits for compressors are modified (see 5.3 hereof; and 5.3 of Edition 2018);
j) The requirements and test methods for noise, pressure pulsation and vibration performance are added (see 5.4 and 6.4 hereof);
k) The requirements and determination methods for the cleanliness and moisture content inside the compressor with direct current motor are modified (see 5.6.1, 5.6.2, 6.6.1 and 6.6.2 hereof; and 5.6.1, 5.6.2, 6.6.1 and 6.6.2 of Edition 2018);
l) The technical requirements and test methods for corrosion resistance of compressors with direct current motor are modified (see 5.6.8 and 6.6.8 hereof; and 5.6.8 and 6.6.8 of Edition 2018);
m) The requirements for degrees of protection provided by enclosure are modified (see 5.6.11 and 5.7.4 hereof; and 5.6.11 and 5.7.4 of Edition 2018);
n) The requirements and test methods for durability of compressors are modified (see 5.8 and 6.8 hereof; and 5.8 and 6.8 of Edition 2018);
o) The requirements for corrosion resistance test are modified (see 6.6.8 hereof; and 6.6.8 of Edition 2018);
p) The type inspection rules are modified (see 7.3 hereof; and 7.3 of Edition 2018);
q) The technical requirements and tests for temperature rise of drive controllers are deleted (see Annex A of Edition 2018).
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.
This document was proposed by China Machinery Industry Federation.
This document is under the jurisdiction of National Technical Committee 238 on Refrigeration & Air-conditioning Equipment of Standardization Administration of China (SAC/TC 238).
This document was issued in 2008 as first edition and was first revised in 2018. This is the second revision.
Electrically driven compressor assembly for automobile air conditioning
1 Scope
This document defines the terms and definitions, specifies the type, basic parameters and technical requirements, describes the corresponding test methods, and stipulates the inspection rules as well as marking, packaging, transport and storage of electrically driven compressor assembly for automobile air conditioning.
This document is applicable to the manufacture of electrically driven compressor assembly in automotive thermal management systems.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions 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 191 Packaging - Pictorial marking for handling of goods
GB/T 2423.17 Environmental testing - Part 2: Test methods - Test Ka: Salt mist
GB/T 2423.34 Environmental testing for electric and electronic products - Part 2: Test methods - Test Z/AD: Composite temperature/humidity cyclic test
GB/T 4208 Degrees of protection provided by enclosure (IP code)
GB/T 4214.1-2017 Test method for noise of household and similar electrical appliances - General requirements
GB/T 5773 The method of performance test for positive displacement refrigerant compressors
GB/T 9237-2017 Refrigerating systems and heat pumps - Safety and environmental requirements
GB/T 13306 Plates
GB/T 15765-2021 Hermetic motor-compressors for room air conditioners
GB/T 17619 Limits and methods of testing for immunity of electrical/electronic sub-assemblies in vehicles to electromagnetic radiation
GB/T 18429-2018 Hermetic scroll refrigerant compressor
GB/T 18488 Drive motor system for electric vehicles
GB/T 18655 Vehicles, boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for the protection of on-board receivers
GB/T 19951-2019 Road vehicles - Disturbances test methods for electrical/electronic component from electrostatic discharge
GB/T 21360 Refrigerant compressor for automobile air conditioning
GB/T 21437.2 Road vehicles - Test method of electrical disturbances from conduction and coupling - Part 2: Electrical transient conduction along supply lines only
GB/T 21437.3 Road vehicles - Test method of electrical disturbances from conduction and coupling - Part 3: Electrical transient transmission by capacitive and inductive coupling via lines other than supply lines
JB/T 7249 Refrigeration and air conditioning apparatus - Terminology
3 Terms and definitions
For the purposes of this document, the terms and definitions given in JB/T 7249 and GB/T 5773 as well as the following apply.
3.1
electrically driven compressor assembly
positive displacement refrigerant compressor equipment used in automotive thermal management systems for vapor compression refrigeration cycles, consisting of an electric motor-driven compressor with direct current motor, and a drive controller
Note: The split electrically driven compressor assembly is used by independently installing the compressor with direct current motor and the drive controller, and the integral electrically driven compressor assembly is used by integrating the compressor with direct current motor and the drive controller.
3.2
compressor with direct current motor
closed or semi-closed structure consisting of a positive displacement refrigerant compressor and an electric motor
3.3
drive controller
device that is connected with the main power supply of the automobile, consists of an external control signal interface circuit, a motor control circuit, a power drive circuit and a protection circuit, and is used for controlling the energy transmission and conversion between the DC power supply and the compressor motor
3.4
exciting force
periodic simple harmonic vibration caused by such vibration sources as rotating unbalanced mass and running airflow pulsation of an electrically driven compressor
3.5
continuous liquid durability test
durability test which simulates the continuous operation of the compressor without suction superheat degree and with a certain amount of liquid refrigerant at the suction port
3.6
initiation of the liquid shock durability test
durability test which simulate that a compressor with a certain amount of liquid refrigerant at the suction port can reach a certain cycle initiation times
4 Types and basic parameters
4.1 Types
4.1.1 The electrically driven compressor assembly (hereinafter referred to as "compressors") is classified by function as follows:
——Split-cooling type;
——Heat-pump type (capable of operating normally at an evaporation temperature of -25°C).
4.1.2 Compressors are classified by structural type as follows:
——Integral type;
——Split type.
4.1.3 Compressors are classified by seal type as follows:
——Hermetic type;
——Semi-hermetic type;
4.1.4 Compressors are classified by applicable vehicle type as follows:
——For passenger cars;
——For buses.
4.1.5 Compressors are classified as follows by the displacement range (see Table 1 for the displacement range):
——Class A;
——Class B;
——Class C.
4.2 Basic parameters
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Types and basic parameters
5 Technical requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transport and storage
