GB 27887-2024 PDF English
US$1910.00 · In stock · Download in 9 secondsGB 27887-2024: Child restraint systems for power-driven vehicles Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid GB 27887: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 27887-2024 | English | 1910 |
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Child restraint systems for power-driven vehicles
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| GB 27887-2011 | English | 2159 |
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[Including 2019XG1] Restraining devices for child occupants of power-driven vehicles
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GB 27887-2024: Child restraint systems for power-driven vehicles---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/GB27887-2024
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040.60
CCS T 26
Replacing GB 27887-2011
Child restraint systems for power-driven vehicles
Issued on. SEPTEMBER 29, 2024
Implemented on. JULY 01, 2025
Issued by. State Administration for Market Regulation;
National Standardization Administration.
Table of Contents
Foreword... 3
1 Scope... 8
2 Normative references... 8
3 Terms and definitions... 9
4 General requirements... 22
5 Performance requirements... 37
6 Test methods... 50
7 Test report... 73
8 Marking... 74
9 Instruction guidance documents... 81
10 Determination of the same type... 85
11 Implementation of standard... 86
Appendix A (Normative) Requirements for additional anchorages for rearward-facing
child restraint systems fixed by seat belts on specific vehicles... 87
Appendix B (Normative) Standard seat belt... 88
Appendix C (Normative) Height measuring device and measurement method of booster
cushion... 92
Appendix D (Normative) Lower torso test... 95
Appendix E (Normative) Internal dimensions... 97
Appendix F (Normative) i-Size support leg size assessment body and support leg and
foot assessment body... 105
Appendix G (Normative) Energy absorption test method... 110
Appendix H (Normative) Method for determining the head impact area... 112
Appendix I (Normative) Description of sled... 113
Appendix J (Normative) Determination of dynamic test performance index... 123
Appendix K (Normative) Corrosion test... 124
Appendix L (Normative) Load application device... 126
Appendix M (Normative) Time function curve of sled braking deceleration or
acceleration... 130
Appendix N (Normative) Front impact test procedure... 133
Appendix O (Normative) Rear impact test procedure... 135
Appendix P (Normative) Dummy and calibration procedure... 138
Appendix Q (Normative) Buckle strength test method... 164
Appendix R (Normative) Micro-slip test... 165
Appendix S (Normative) Layout of dust test equipment... 166
Appendix T (Normative) Abrasion test... 167
Appendix U (Normative) Adjustment device durability test method... 169
References... 171
1 Scope
This document defines the terms and definitions of child restraint systems for power-
driven vehicles (hereinafter referred to as "child restraint systems", CRS); specifies
general requirements, performance requirements, test reports, marking and instructional
guidance documents; describes the corresponding test methods.
This document applies to the following types of child occupant restraint systems
suitable for installation in power-driven vehicles.
a) Integral universal ISOFIX child restraint system (i-Size child restraint system);
b) Integral ISOFIX child restraint system for specific vehicle models;
c) Integral universal belted child restraint system;
d) Integral seat belt fixed child restraint system for specific vehicle models;
e) Non-integral universal child restraint system with backrest (i-Size booster seat);
f) Non-integral child restraint system with back for specific vehicle (booster seat for
specific vehicle models);
g) Non-integral universal child restraint system without backrest (universal booster
cushion);
h) Non-integral child restraint system without backrest for specific vehicle models
(booster cushion for specific vehicle models).
2 Normative references
The contents of the following documents constitute the essential provisions of this
document through normative references in the text. Among them, for referenced
documents with dates, only the version corresponding to that date applies to this
document; for referenced documents without dates, the latest version (including all
amendments) applies to this document.
GB/T 231.1 Metallic materials - Brinell hardness test - Part 1.Test method
GB/T 3505 Geometrical product specifications (GPS) - Surface texture. Profile
method - Terms, definitions and surface texture parameters
GB/T 4780 Terms for motor vehicle body
GB 6675.3 Safety of toys - Part 3.Flammability
GB 6675.4 Safety of toys - Part 4.Migration of certain elements
GB 8410 Flammability of automotive interior materials
GB/T 8427 Textiles - Tests for color fastness - Color fastness to artificial light.
Xenon arc
3 Terms and definitions
The terms and definitions defined in GB/T 4780, GB 14166, GB 14167, as well as the
following terms and definitions, apply to this document.
3.1 Child restraint system; CRS
Child seat
A device that reduces the damage to the wearer in a impact or sudden deceleration,
by limiting the movement of the child's body, so that the child occupant can remain
in a sitting or sleeping position.
3.2 Integral class
A class of child restraint systems in which the child is restrained only by the
components of the child restraint system and not directly by the vehicle's seat belts.
Note. The components of the child restraint system include child harness belts, impact
protection devices, etc.
3.3 Non-integral class
A class of child restraint systems that directly restrain children in the child restraint
system through the vehicle's seat belts.
3.4 Rigid fixture for the child restraint system
ISOFIX
An internationally common system that connects the child restraint system to the
vehicle through two lower anchorages on the vehicle, two corresponding rigid
connecting devices on the child restraint system, a device that limits the flipping of
the child restraint system.
3.5 Built-in child restraint system
A child restraint system that is an integral part of the vehicle or vehicle seat and is
fixed to the vehicle.
3.6 Universal child restraint systems
A product type of child restraint system that is applicable to all i-Size seats or all
universal seats.
4 General requirements
4.1 Installation location and fixing method on vehicle
4.1.1 Installation location of different types of child restraint systems on vehicle
4.1.2 Fixing methods and requirements for integral child restraint systems
4.2 Structure
4.2.1 The structure of the child restraint system shall meet the following requirements.
4.2.2 The following requirements shall be met when designing and installing child
restraint systems.
4.2.3 Removable or movable parts designed for maintenance or adjustment shall only
be removed or moved with the help of special tools. Any possibility of incorrect
assembly or use of these parts shall be avoided. The assembly and disassembly process
shall be detailed in the user manual of the child restraint system. Child harness belts
shall be adjustable within their adjustment range without disassembly.
4.2.4 Special needs restraint systems may have additional restraint devices, which shall
be designed to avoid incorrect assembly; their release method and operation mode shall
be obvious to rescuers in an emergency.
4.2.5 Child restraint systems are allowed to cover any size range when designed.
4.2.6 Child restraint systems with inflatable parts shall be designed to ensure that the
environment (pressure, temperature, humidity) in which they are used will not affect
the performance requirements of this document.
4.2.7 During the test specified in Appendix D, the booster cushion shall not be
completely pulled out of the three-point seat belt and the lower torso shall not be
separated from the booster cushion.
4.3 Basic requirements for child restraint systems
4.3.1 Materials
4.3.2 General characteristics
4.3.2.1 General requirements
The manufacturer shall declare the various usage modes of the child restraint system
and the corresponding applicable height range.
The child restraint system shall be adjusted so that its external dimensions meet the
requirements of 4.3.2.3; the applicable height range shall be verified by measuring the
internal dimensions according to the provisions of 4.3.2.2.
4.3.2.3 External dimensions
4.3.3 ISOFIX attachment
4.3.4 ISOFIX child restraint system top tether strap
4.3.5 Support leg and support leg foot of i-Size child restraint system
5 Performance requirements
5.1 Provisions for the restraint system assembly
5.1.1 Corrosion resistance
5.1.2 Energy absorption
5.1.3 Rollover test requirements
The child restraint system shall be tested in accordance with the method specified in
6.1.2.During the entire test, the test dummy shall not fall out of the device; when the
standard seat is in the rollover position, the displacement of the dummy's head from its
original position in the direction perpendicular to the seat shall not exceed 300 mm. The
measurement shall be carried out after the load is removed.
5.1.4 Temperature test requirements
After the buckle, retractor, adjustment device, seat belt locking device are subjected to
temperature test in accordance with the provisions of 6.2.7, the test personnel shall
visually inspect and there shall be no signs that may impair the original characteristics
of the child restraint system.
5.1.5 Dynamic test requirements
5.1.5.1 General requirements
5.1.5.2 Other requirements
5.1.5.4 Dummy head movement in frontal and rear impacts
5.1.5.4.1 General child restraint system
5.1.5.5 Dummy injury indicators for side impact
5.1.5.5.1 Head containment
During the side impact test loading process (maximum not exceeding 80 ms), the head
containment meets the following requirements.
5.2 Provisions applicable to restraint system components
5.2.1 Buckle
5.2.6 ISOFIX attachment
5.2.7 Seat belt locking device
6 Test methods
6.1 Restraint system assembly test
6.1.1 Corrosion test
6.1.2 Rollover test
6.1.3 Dynamic test
6.1.3.1 Test description
6.2 Component tests
6.2.1 Buckles
6.2.1.1 Buckle opening test after loading
6.2.3 Micro-slip test
6.2.4 Retractor
6.3 Calibration of the test cushion
6.3.1 In order to obtain the initial data of the peak value of the impact deceleration, the
new test cushion shall be calibrated. And calibration shall be performed after every 50
dynamic tests or at least every month (whichever comes first).
6.5 Electrical measurement
The measurement procedure shall comply with ISO 6487.2015.The filter levels are
shown in Table 10.
7 Test report
7.1 The test report shall record all the following.
7.2 If certain provisions of the anchorages contained in I.7 are not complied with, the
test report shall describe how the child restraint system is installed and shall state the
important angles and dimensions.
7.3 When the child restraint system is tested on the vehicle or body, the test report shall
state the way the body is fixed to the sled, the position of the child restraint system and
the vehicle seat, the tilt angle of the vehicle seat backrest.
7.4 The test report shall also include the inspection results of the marking and
instruction documents.
8 Marking
8.1 The child restraint system, including its module and base, shall be clearly and
permanently marked with the manufacturer's name, abbreviation or trademark.
8.2 The child restraint system, including its module, base, impact protection device that
is not permanently connected to the child's seat, shall be marked with the year of
manufacture.
8.3 The following information shall be clearly marked on the child restraint system.
8.4 For rearward-facing child restraint systems, a label as shown in Figure 15 shall be
sewn or permanently affixed to the visible surface of the child restraint system on the
inner side (including the inner surface of the side wing) near the head of the child in the
child restraint system, which shall be permanently visible in any mode of use. If a
component or other accessories provided by the manufacturer makes the label unclear,
another label shall be attached to the component or accessory. The label shall meet the
following requirements.
8.5 For integral child restraint systems that can be installed both forward and rearward,
Figure width is 40 mm and height is 28 mm, or increased proportionally
Images in the Figure shall be assembled together, using
forward
8.6 The strap passing area marking and installation diagram label shall be permanently
and reliably located on the child restraint system and meet the following requirements.
8.7 The label of an integral child restraint system with ISOFIX connectors shall be
located near the lower ISOFIX connector on the child restraint system. The operator
who installs the child restraint system on the vehicle shall be able to see one of the
following signs.
8.8 The label of the integral seat belt fixed child restraint system shall be located on the
component containing the main load bearing point of the child restraint system; it shall
ensure that the operator who installs the child restraint system on the vehicle can see
one of the following information labels.
8.9 The label for non-integral child restraint systems shall be permanently fixed, contain
the following information, be easily visible to the operator who installs the child
restraint system on the vehicle.
9 Instruction guidance documents
9.1 General requirements
Child restraint systems shall be equipped with Chinese instruction guidance documents.
The instruction guidance documents shall include the child restraint system product
outer packaging information and instruction manual.
9.2 Product outer packaging information
9.2.1 The product shall indicate the applicable child height range.
9.3 Instruction manual
9.3.1 The instruction manual shall be in paper or electronic form. The electronic form
shall be obtained through a web link or QR code scanning.
9.3.2 The installation and use of the child restraint system shall be shown in photos or
clear diagrams.
9.3.3 The height range for which the child restraint system is applicable and the
maximum weight for which the integral child restraint system is applicable shall be
clearly stated.
9.3.4 The operation of the buckle and adjustment device shall be clearly explained.
9.3.5 The importance of ensuring that the lap belt is placed downward and the impact
protection device is correctly installed shall be emphasized, to ensure that the lap belt
can well restrain the pelvic area when worn.
9.3.6 The cleaning method of the child restraint system shall be provided.
9.3.7 The following warnings shall be given.
9.3.8 Users shall be informed of the following.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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