ChinaAutoRegs|GB 5920-2008英文版翻译 汽车及挂车前位灯、后位灯、示廓灯和制动灯配光性能
Photometric characteristics of front and rear position lamps end-outline marker lamps and stop lamps for motor vehicles and their trailers

最新适用版：
GB 5920-2019英文版翻译《汽车及挂车前位灯、后位灯、示廓灯和制动灯配光性能》

1 SCOPE

This standard specifies technical requirements, test method and inspection rules on relevant photometric characteristics of front and rear position lamps, end- outline marker lamps and stop lamps for motor vehicles and trailers.
This standard applies to various types of front and rear position lamps, end-outline marker lamps and stop lamps for motor vehicles and trailers of categories M, N and O.
In this standard, the various signal lights mentioned above are also called device.

2 NORMATIVE REFERENCES

The following Standards contain provisions which through reference in this text, constitute provisions of this Standard. For dated references, subsequent amendments (corrigenda excluded) to, or revisions of, any of these publications do not apply. However, parties to agreements based on this Standard are encouraged to investigate the possibility of applying the most recent editions of the Standards indicated below. For undated references, the latest edition of the applicable Standards referred to apply.

GB 4599 Photometric characteristics of headlamps for motor vehicles
GB 4785 Prescription for installation of the external lighting and light-signaling devices for motor vehicles and their trailers
GB 15766.1 Lamps for road vehicles – Dimensional, electrical and luminous requirements (GB15766.1-2000, idt IEC 60809:1995)
ECE R37 Uniform provisions concerning the approval of filament lamps for use in approved lamp units on power-driven vehicles and of their trailers

3 TERMS AND DEFINITIONS

For the purpose of this standard, the terms and definitions given in GB 4785 apply.

4 DIFFERENT TYPES OF DEVICE

Devices which differ in such essential respects as followings are deemed as different types:
a) The trade name or mark;
b) The characteristics of the optical system (levels of luminous intensity, the minimum angle of light distribution, category of filament lamp or light source module and etc used);
c) The system used to reduce illumination at night – in the case of stop- lamps with two levels of luminous intensity.
A change of the color of the filament lamp or the color of any filter does not constitute a change of type.

5 REQUIREMENTS

5.1 General provisions

5.1.1 Front and rear position lamps, outline marker lamps and stop lamps shall be so designed and constructed that in normal conditions of use, and notwithstanding the vibrations to which they may be subjected in such use, their satisfactory operation remains assured and they meet requirements prescribed by this Standard.
5.1.2 Front and rear position lamps which are grouped or combined or reciprocally incorporated may also be used as end-outline marker lamps.
5.1.3 In case filament lamp is used, it is necessary to comply with stipulations of GB 15766.1 or ECE R37.
5.1.4 The design of the light source module shall be such that even in darkness the light source module can be fitted in the correct position; and shall be tamperproof.
5.1.5 Nominal voltage of non-replaceable light sources should be 6V, 12V or 24V, their electrical and luminous performance are to be determined by manufacturer and user through negotiation.
5.1.6 Position lamps, which are reciprocally incorporated with another function, using a common light source, and designed to operate jointly with an additional system to regulate the intensity of the light emitted, are permitted. However, in the case of rear position lamp reciprocally incorporated with a stop lamp, the device shall either be a part of a multiple light source arrangement, or be intended for use in a vehicle equipped with a failure monitoring system for that function.

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