Standard No.:	GB/T 28046.3-2011
English Name:	Road vehicles—Environmental conditions and testing for electrical and electronic equipment—Part 3:Mechanical loads
Chinese Name:	道路车辆 电气及电子设备的环境条件和试验 第3部分：机械负荷
Chinese Classification:	T36    Electronic and electrical equipment
Professional Classification:	GB    National Standard
ICS Classification:	43.040.10 43.040.10    Electrical and electronic equipment 43.040.10
Source Content Issued by:	AQSIQ; SAC
Issued on:	2011-10-31
Implemented on:	2012-2-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	14000 words
Translation Price(USD):	140.0
Delivery:	via email in 1 business day

1 Scope This part describes the potential mechanical and environmental loads of systems/components installed at specific positions on/in the vehicle, and specifies the tests and requirements. This part is applicable to electrical and electronic systems/components of automobiles. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated reference, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 2423.6 GB/T 2423.1 Environmental Testing for Electric and Electronic Products - Part 2: Test Methods - Test Eb and Guidance: Bump (GB/T 2423.6-1995, IEC 60068-2-29: 1987, IDT) GB/T 2423.8 Environmental Testing for Electric and Electronic Products - Part 2: Test Methods - Test Ed: Free Fall (GB/T 2423.8-1995, IEC 60068-2-32: 1995, IDT) GB/T 2423.10 Environmental Testing for Electric and Electronic Products - Part 2: Test Methods - Test Fc: Vibration (Sinusoidal) (GB/T 2423.10-2008, IEC 60068-2-6: 1995, IDT) GB/T 2423.22 Environmental Testing for Electric and Electronic Products - Part 2: Test Methods - Test N: Change of Temperature (GB/T 2423.22 -2002, IEC 60068-2-14: 1984, IDT) GB/T 2423.56 Environmental Testing for Electric and Electronic Products - Part 2: Test Methods - Test Fh: Vibration, Broad-band Random (Digital Control) and Guidance (GB/T 2423.56-2006, IEC 60068-2-64: 1993, IDT) GB/T 2423.58 Environmental Testing for Electric and Electronic Products - Part 2-80: Tests - Test Fi: Vibration - Mixed Mode (GB/T 2423.58-2008, IEC 60068-2-80: 2005, IDT) GB/T 28046.1 Road Vehicles - Environmental Conditions and Testing for Electrical and Electronic Equipment - Part 1: General (GB/T 28046.1-2011, ISO 16750-1: 2006, MOD) GB/T 28046.4 Road Vehicles - Environmental Conditions and Testing for Electrical and Electronic Equipment - Part 4: Climatic Loads (GB/T 28046.4-2011, ISO 16750-4: 2006, MOD) 3 Terms and Definitions For the purposes of this document, the terms and definitions given in GB/T 28046.1 apply. 4 Tests and Requirements 4.1 Vibration 4.1.1 General The vibration test methods specified consider various levels of vibration severities applicable to on-board electrical and electronic equipment. It is recommended that vehicle manufacturer and supplier choose the test method, the environmental temperature and vibration parameters depending on the specific mounting location.

Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Tests and Requirements 5 Code Letters for Mechanical Loads Annex A (Informative) Guideline for the Development of Test Profiles for Vibration Tests Annex B (Informative) Recommended Mechanical Requirements for Equipment Depending on the Mounting Location