GB 17509-2008 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 17509-2008 | English | 85 |
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Photometric characteristics of direction indicators for motor vehicles and their trailers
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| GB 17509-1998 | English | 359 |
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Photometric characteristics of direction indicators for motor vehicles and their trailers
| Obsolete |
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GB 17509-2008: Photometric characteristics of direction indicators for motor vehicles and their trailers
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB17509-2008
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040.20
T 38
Replacing GB 17509-1998
Photometric Characteristics of Direction
Indicators for Motor Vehicles and Their Trailers
Issued on. DECEMBER 31, 2008
Implemented on. JANUARY 1, 2008
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative References... 5
3 Terms and Definitions... 5
4 Classification... 5
6 Specifications... 9
7 Test Procedure... 12
8 Inspection Rules... 14
Foreword
All the technical content of this Standard is mandatory.
This Standard corresponds to United Nations Economic Commission for Europe ECE
R6 Rev.3 Amend.5 “Uniform Provisions Concerning the Approval of Direction
Indicators for Power-driven Vehicles and Their Trailers”. This Standard is not
equivalent to ECE R6 Rev.3 Amend.5, with the main differences as follows.
-- it deletes the administrative articles;
-- it deletes the Annex “Minimum requirements for conformity of production control
procedures”;
-- it deletes the Annex “minimum requirements for sampling by an inspector”; and
-- it adds the inspection rules.
The main technical specifications are the same as ECE R6 Rev.3 Amend.5, such as
general specifications, photometric performance, light colour, test procedures.
This Standard replaces GB 17509-1998 “Uniform Provisions Concerning the Approval
of Direction Indicators for Power-driven Vehicles and Their Trailers”. Compared with
the previous edition, the main changes are as follows.
-- it modifies Chapter 2 “Normative References” of the previous edition;
-- it modifies Chapter 3 “Terms and Classification” of the previous edition, which is
changed into Chapter 3 “Terms and Definitions” and Chapter 4 “Classification”;
-- it modifies Chapter 4 “Photometric Characteristics” of the previous edition, which
is changed into Chapter 6 “Specifications” of this edition;
-- it deletes Chapter 5 “Provisions on Lamps” of the previous edition and the relevant
content added is included in Chapter 6 “Specifications” of this edition;
-- it modifies Chapter 6 “Photometric Measurement Method” of the previous edition,
which is changed into Chapter 7 “Test Procedure” of this edition;
-- it deletes Chapter 7 “Chromatic Measurement Method” of the previous edition and
the relevant content added is included in Chapter 6 “Specifications” and Chapter
7 “Test Procedure” of this edition;
-- it modifies Chapter 8 “Inspection Provisions” of the previous edition, which is
changed into Chapter 8 “Inspection Rules” of this edition;
-- it adds the content related to light source module(s);
-- it adds the test requirements of flash lighting;
-- it adds the measurement method of direction indicators with non-replaceable light
sources;
-- it adds the photometric measurement requirement that the installation height of
direction indicators shall not be more than 750 mm; and
-- it adds the photometric measurement requirements for direction indicators at
more than one position or different positions within a zone.
For the newly-applied type approval tests of direction indicators for motor vehicles and
their trailers, this Standard is implemented from January 1, 2010; and for the direction
indicators for motor vehicles and their trailers which have passed type approval tests
before the implementation of this Standard, this Standard is implemented from January
1, 2012.
This Standard was proposed by the National Development and Reform Commission.
This Standard shall be under the jurisdiction of the National Technical Committee of
Auto Standardization.
This Standard was drafted by Shanghai Institute of Automotive Lamps.
The main drafters of this Standard. Wang Hua, Chen Ji and Yu Peifeng.
The previous edition replaced by this Standard is as follows.
-- GB 17509-1998.
Photometric Characteristics of Direction Indicators for
Motor Vehicles and Their Trailers
1 Scope
This Standard specifies the technical specifications, test methods and inspection rules
of photometric performance of direction indicators for motor vehicles and their trailers.
This Standard applies to all types of direction indicators for vehicles of categories M,
N and O.
In this Standard, the above-mentioned direction indicators are also called devices.
2 Normative References
The provisions in following documents become the provisions of this Standard through
reference in this Standard. For dated references, the subsequent amendments
(excluding corrigendum) or revisions do not apply to this Standard, however, parties
who reach an agreement based on this Standard are encouraged to study if the latest
versions of these documents are applicable. For undated references, the latest edition
of the referenced document applies.
GB 4599 Motor Vehicle Headlamps Equipped with Filament Lamps
GB 4785 Prescription for Installation of the External Lighting and Light-Signalling
Devices for Motor Vehicles and Their Trailers
3 Terms and Definitions
For the purpose of this Standard, the terms and definitions given in GB 4785 apply.
4 Classification
4.1 Categories of direction indicators
The categories and minimum angles of light distribution of devices are specified in
accordance with their installation positions and functions on the vehicle (See Figure 1).
4.2 In Figure 1, the vertical angle V corresponds to the horizontal plane, with the
positive above the horizontal plane and the negative below the horizontal plane;
5 Direction Indicators of Different Types
Lamps which differ in such essential respects as.
6 Specifications
6.1 The devices shall be so designed and constructed that under normal conditions
of use and notwithstanding the vibrations to which they may be subjected in such use,
their satisfactory operation remains assured and they retain the characteristics
prescribed by this Standard.
6.3 The devices equipped with replaceable light sources shall be equipped with
filament lamps meeting the specifications of GB 15766.1 or ECE R37.
6.4 The light source modules used shall be so designed that even if in the dark, they
can be installed at the correct positions; and that they can prevent maloperation.
6.5 Photometric performance
6.5.1 See Figure 2 for the requirements for light distribution. The numbers at the
intersections of grid lines in Figure 2 indicate the minimum values of luminous intensity
in the direction and the reference axis direction [categories 1, 1a, 1b, 2a, 2b, 3 and 4
(forward)] or the ratios of the minimum values of luminous intensity of direction A
(category 6), direction A meaning the direction H = 5° and V = 0°.
6.5.3 Within the luminous intensity distribution field (see Figure 2), except in the
reference axis direction and A direction.
6.5.4 The requirements for all categories of devices within the minimum angle of light
distribution (See Figure 1).
6.5.4.1 The intensity of the light emitted shall be.
6.5.4.2 Outside of the field 10° (i.e. H = ± 10°, V = ± 10°), the luminous intensity of
devices of categories 1, 2b (by night), 3 (forward) and 4 (forward) shall not be more
than the limits of Table 2; in the zone (including boundary) between field 10° and field
5° (i.e. H = ± 5°, V = ± 5°), the allowable maximum luminous intensity of these devices
shall also increase gently to the maximum values specified in Table 1.
6.6 In the case of devices of category 2b the time that elapses between energizing
the light source(s) and the light output measured on the reference axis to reach 90 per
cent of the initial values measured when the light sources give out a continuous light
shall be measured while they are operated by day and by night. The corresponding
time by night shall not be more than the time by day.
6.7 When a mounting height is less than 750 mm above the ground, the photometric
intensity is verified only up to an angle of 5° downwards.
7 Test Procedure
7.1 The test darkroom, apparatus and equipment shall meet the specifications of GB
4599.
7.2 The limits of the apparent surface in the direction of the reference axis of a
direction indicator shall be determined.
7.3 Photometric test voltage
7.4 Before photometric performance measurement, the light source shall be lit at the
voltage of measurement, to make its photometric performance become stable.
7.5 However, depending on the construction of the device, for example, the use of
light-emitting diodes (LED), or the need to take precautions to avoid overheating, it is
allowed to measure the lamps in flashing mode.
7.5.1 This shall be achieved by switching with a frequency of f = 1.5 ± 0.5 Hz with the
pulse width greater than 0.3 s, measured at 95 per cent peak light intensity.
7.6 Photometric performance measurement of all categories of devices.
7.6.1 For lamps equipped with non-replaceable light sources, the photometric
characteristics should be verified with the light sources present in the lamp.
7.7 During photometric measurements, stray reflections shall be avoided by
appropriate masking.
7.8 The distance of measurement shall be such that the law of the inverse of the
square of the distance is applicable.
7.9 The measuring equipment shall be such that the angular aperture of the receiver
viewed from the reference centre of the light is comprised between 10' and 1 degree.
7.10 The intensity requirement for a particular direction of measurement in Figure 1
shall be deemed to be satisfied if that requirement is met in a direction deviating by not
more than one-quarter of a degree from the direction of measurement.
8 Inspection Rules
8.1 Devices of different categories shall be determined according to the
specifications of Chapter 5.
8.2 Devices shall be tested by type approval test and conformity of production test.
When they meet the specifications of 8.3 or 8.4, it shall be deemed that they have
passed type approval test or conformity of production test.
8.3 Type approval test
8.4 Conformity of production procedures
8.4.1 For the devices qualified by type approval test, use the sample lamps taken at
random from the products mass-produced to determine their conformity of production.
8.4.2 The sample lamps taken at random shall meet the specifications of 6.1, 6.3 or
6.4 and 6.6.
8.4.3 The sample lamps taken at random shall meet the specifications of 6.2 when
they are tested according to the specifications of Chapter 7.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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