Detail of JB/T 12845-2016

Introduction of JB/T 12845-2016

1 Scope This standard specifies terms and definitions, types and basic parameters, requirements, test methods, inspection rules as well as marking, packaging, transport and storage of electrically driven compressor for automobile air conditioning (hereinafter referred to as electrically driven compressor) This standard is applicable to electrically driven compressor for automobile air conditioning with the power supply voltage grade being 12V, 24V, 36V, 42V, 48V, 120V, 144V, 168V, 192V, 216V, 240 V, 264 V, 288 V, 312 V, 336 V, 360 V, 384 V, 408 V, 540 V, 600 V or 800 V. 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 191 Packaging - Pictorial Marking for Handling of Goods GB/T 13306 Plates GB/T 2423.17 Environmental Testing for Electric and Electronic Products - Part 2: Test Method - Test Ka: Salt Mist GB/T 2423.34-2012 Environmental Testing - Part 2: Test Methods - Test Z/AD: Composite Temperature/Humidity Cyclic Test GB 4208-2008 Degrees of Protection Provided by Enclosure (IP Code) GB/T 5773 The Method of Performance Test for Positive Displacement Refrigerant Compressors GB/T 17619-1998 Limits and Methods of Testing for Immunity of Electrical / Electronic Sub-assemblies in Vehicles to Electromagnetic Radiation GB/T 18488.1-2006 The Electrical Machines and Controllers for Electric Vehicles - Part 1: General Specification GB/T 18488.2-2015 Drive Motor System for Electric Vehicles - Part 2: Test Methods GB/T 18655-2010 Vehicles Boats and Internal Combustion Engines - Radio Disturbance Characteristics - Limits and Methods of Measurement for the Protection of On-board Receivers GB/T 19951-2005 The Safety Constructional Requirements for Double-deck Large Passenger Vehicles GB/T 21360-2008 Refrigerant Compressor for Motor Vehicle Air Condition GB/T 21437.2 Road Vehicles - Electrical Disturbances from Conduction and Coupling - Part 2: Electrical Transient Conduction along Supply Lines Only GB/T 21437.3 Road Vehicles - Electrical Disturbances from Conduction and Coupling - Part 3: Electrical Transient Transmission by Capacitive and Inductive Coupling via Lines other than Supply Lines JB/T 4330 Determination of Noise Emitted by Refrigerating and Air Conditioning Equipment SAE J 1627 Standard for Evaluation of Performance of Electronic Refrigerant-leaking Detector SAE J 1628 Operation Specifications for Electronic Refrigerant-leaking Detector Used in Maintenance of Automobile Air Conditioning System 3 Terms and Definitions For the purposes of this document, the following terms and definitions apply. 3.1 electrically driven compressor motor driven displacement compressor for compressing refrigerant vapour in automobile air conditioning system Note: it includes compressor with direct current motor and drive controller part. For split-type electrically driven compressor, the above-mentioned two parts are separately installed and applied; for integrated electrically driven compressor, the above-mentioned two parts are integrated into a whole. 3.2 compressor with direct current motor closed or semi-closed structure consisting of displacement refrigerant compressor and motor 3.3 drive controller equipment connecting to automobile main power supply controlling energy transmission and conversion between DC power and compressor motor Note: it consists of external control signal interface circuit, motor control circuit and power driven circuit as well as protective circuit. 3.4 refrigerating capacity the value obtained through refrigerant mass flow of electrically driven compressor multiplied by the difference between specific enthalpy of refrigerant vapour in thermodynamic state at compressor inlet and that of refrigerant before expansion in the cooling cycle 3.5 heating capacity the value obtained through refrigerant mass flow of electrically driven compressor multiplied by the difference between specific enthalpy of refrigerant vapour in thermodynamic state at compressor outlet and that of refrigerant before expansion in the cooling cycle 3.6 energy efficiency ratio ratio of refrigerating (heating) capacity of electrically driven compressor to its input power 3.7 exciting force periodic simple harmonic vibration force generated by electrically driven compressor rotation unbalanced mass, operation gas pulsation, etc. serving as the vibration source

Contents of JB/T 12845-2016

Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Types and Basic Parameters 4.1 Types 4.2 Basic Parameters 5 Requirements 5.1 General Requirements 5.2 Appearance Quality 5.3 Refrigerating (Heating) Capacity, Input Power and Energy Efficiency Ratio 5.4 Noise 5.5 Exciting Force 5.6 Compressor with Direct Current Motor 5.7 Drive Controller 5.8 Durability 5.9 Resistance to Voltage Fluctuation 5.10 Electromagnetic Compatibility 6 Test Methods 6.1 General Requirements 6.2 Appearance 6.3 Refrigerating (Heating) Capacity, Input Power Consumption and Energy Efficiency Ratio 6.4 Noise 6.5 Exciting Force 6.6 Compressor with Direct Current Motor 6.7 Drive Controller Part 6.8 Durability 6.9 Resistance to Voltage Fluctuation 6.10 Electromagnetic Compatibility 7 Inspection Rules 7.1 End-of-manufacturing Inspection 7.2 Sampling Inspection 7.3 Type Inspection 8 Marking, Packaging, Transport and Storage 8.1 Marking 8.2 Packaging 8.3 Transport and Storage Annex A (Normative) Temperature Rise Test Method (Resistivity Method) A.1 General Requirements A.2 Test Result Calculation Figure 1 Noise Value Measurement Acquisition Points Figure 2 Compressor Installation Mode for Exciting Force Measurement Figure 3 Temperature Resistance Test (One Cycle) Figure 4 Resistance to Voltage Fluctuation Curve Table 1 Basic Parameters of Electrically Driven Compressor Table 2 Nominal Condition of Electrically Driven Compressor Table 3 Energy Efficiency Ratio Limited Value of Electrically Driven Compressor Table 4 Noise Limit of Electrically Driven Compressor Table 5 Total Mass Limit of Impurity in Electrically Driven Compressor Table 6 Test Voltage and Leakage Current Table 7 Operating Conditions of Noise Test for Electrically Driven Compressor Table 8 Operating Conditions for Exciting Force Testing Table 9 Operating Conditions of Vibration Test for Electrically Driven Compressor Table 10 Voltage for Stator Winding Measurement Table 11 Operating Conditions of Vibration Test for the Drive Controller Table 12 Durability Test Conditions for Cooling Operation of the Electrically Driven Compressor Table 13 Operating Conditions of Heating Operation Durability Test for Electrically Driven Compressor Table 14 Operating Conditions of Heating Operation Durability Test at Low Temperature for Electrically Driven Compressor Table 15 Inspection Items, Technical Requirements and Test Methods