Bus emergency hammer
1 Scope
This standard specifies technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of bus emergency hammer.
This standard is applicable to emergency hammers for Categories M2 and M3 buses, and also serve as reference to those for other categories buses may be implemented with reference.
2 Normative references
The following referenced documents are indispensable for the application of this standard. 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 2423.1 Environmental testing for electric and electronic products — Part 2: Test methods — Tests A: Cold (GB/T 2423.1-2008, IEC 60068-2-1: 2007, IDT)
GB/T 2423.2 Environmental testing for electric and electronic products — Part 2: Test methods — Tests B: Dry heat (GB/T 2423.2-2008, IEC 60068-2-2: 2007, IDT)
GB/T 3785.1 Electroacoustics — Sound level meters — Part 1: Specifications
GB 7258 Technical specifications for safety of power-driven vehicles operating on roads
GB 8410 Flammability of automotive interior materials
GB/T 15173 Electroacoustics — Sound calibrators
GB/T 28046.1-2011 Road vehicles — Environmental conditions and testing for electrical and electronic equipment — Part 1: General
GB/T 28046.4-2011 Road vehicles — Environmental conditions and testing for electrical and electronic equipment — Part 4: Climatic loads
GB/T 30512 Requirements for prohibited substances on automobiles
3 Terms and definitions
For the purposes of this standard, the following terms and definitions apply.
3.1
bus emergency hammer
hand-held window breaking tool which may be conveniently taken out to break the tempered glass of the emergency window for passenger to escape in case of an emergency, and consists of a hammerhead, a hammer handle, a bracket, an alarm device and other components (see Figure 1)
3.2
emergency window
window that serves as a passenger exit only in case of an emergency
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
5 Test methods
6 Test rules
7 Marking, packaging, transportation and storage
