Standard No.:	GB 27887-2024
English Name:	Child restraint systems for power-driven vehicles
Chinese Name:	机动车儿童乘员用约束系统
Professional Classification:	GB    National Standard
Issued by:	SAMR; SAC
Issued on:	2024-9-29
Implemented on:	2025-7-1
Status:	to be valid
Superseding:	GB 27887-2011 Restraining devices for child occupants of power-driven vehicles GB 27887-2011/XG1-2019 Restraining devices for child occupants of power-driven vehicles (including Amendment 1)
Language:	English
File Format:	PDF
Word Count:	63500 words
Price(USD):	1800.0
Delivery:	via email in 1 business day

GB 27887-2024 Child restraint systems for power-driven vehicles 1 Scope This document defines the terms and definitions of child restraint system (CRS) for power-driven vehicles, specifies the general requirements, performance requirements, test reports, identification and instructions, and describes the corresponding test methods. This document is applicable to the following types of CRS suitable for installation on power-driven vehicles: a) Integral universal ISOFIX child restraint system (i-Size CRS); b) Integral ISOFIX child restraint system for specific vehicle; c) Integral universal belted child restraint system; d) Integral universal belted child restraint system for specific vehicle; e) Non-integral universal child restraint system with backrest (i-Size booster seat); f) Non-integral child restraint system with backrest for specific vehicle (specific vehicle booster seats); g) Non-integral universal child restraint system without backrest (universal booster cushion); h) Non-integral child restraint system without backrest for specific vehicle (specific vehicle booster cushion). 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. 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 fading lamp test GB 14166 Safety-belts and restraint systems for occupants of power-driven vehicles GB 14167 Safety-belt anchorages and restraint systems anchorages for occupants of power-driven vehicles ISO 2575:2010 Road vehicles - Symbols for controls, indicators and tell-tales ISO 6487:2015 Road vehicles - Measurement techniques in impact tests - Instrumentation 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 4780, GB 14166, GB 14167 and the following apply. 3.1 child restraint system; CRS child seat device restraining the movement of the child's body to reduce the injury to the wearer in the case of collision accident or sudden deceleration of the vehicle, keeping the child occupant in a sitting or sleeping position 3.2 integral class child restraint system category in which a child is only restrained by the components of the CRS, rather than directly being restrained by the vehicle belt Note: The components of CRS include child harness belt and impact shield. 3.3 non-integral class child restraint system category in which a child is restrained in the child restraint system directly by the vehicle belt 3.4 rigid fixture for the child restraint system ISOFIX international universal child restraint system that connects the CRS with the vehicle through two lower anchorages on the vehicle, two corresponding rigid connecting devices on the child restraint system, and a device that restricts the child restraint system from rotation 3.5 built-in child restraint system child restraint system that is a part of a vehicle or a vehicle seat and is fixed to the vehicle 3.6 universal child restraint systems product type applicable to child restraint systems on all i-Size seats or all universal seating positions 3.6.1 integral universal ISOFIX child restraint system i-Size CRS ISOFIX child restraint system which is suitable for all i-Size seats of the vehicle, and restricts the child restraint system from rotating through ISOFIX top tether straps or support legs 3.6.2 integral universal belted child restraint system child restraint system which is suitable for all universal seating positions of the vehicle and is only fixed by the vehicle belt 3.6.3 non-integral universal child restraint system with backrest i-Size booster seat child restraint system applicable to all i-Size seats of vehicle, with backrest and retractable ISOFIX attachment (if any) 3.6.4 non-integral universal child restraint system without backrest universal booster cushion child restraint system mainly used for all i-Size seats and universal seating positions of vehicles, without backrest and with retractable ISOFIX attachment as required 3.7 child restraint system for specific vehicle child restraint system for designated vehicles 3.7.1 integral ISOFIX child restraint system for specific vehicle integral ISOFIX child restraint system using low anchorage of ISOFIX for specific vehicles 3.7.2 integral belted child restraint system for specific vehicle integral child restraint system on a specific vehicle used to fix the child restraint system through the vehicle belt or combined with other connection means as required 3.7.3 non-integral child restraint system with backrest for specific vehicle specific vehicle booster seat non-integral child restraint system with backrest for specific vehicles Note: This type includes the built-in child restraint system. 3.7.4 non-integral specific vehicle booster cushion specific vehicle booster cushion non-integral child restraint system without backrest for specific vehicles Note: This type includes the built-in child restraint system. 3.8 size range child’s body height range covered when the child restraint system is designed and certified 3.9 orientation direction against the vehicle when the child restraint system is used 3.9.1 forward-facing installation direction which is the same as the normal driving direction of the vehicle 3.9.2 rearward-facing installation direction which is opposite to the normal driving direction of the vehicle 3.9.3 lateral-facing installation direction which is vertical to the normal driving direction of the vehicle 3.10 special needs restraint restraint system specially designed to meet the special needs of children with physical or mental disabilities 3.11 ISOFIX anchorages system a set of system for fixing ISOFIX child restraint system, which consists of two ISOFIX low anchorages on the vehicle and ISOFIX attachment on the child restraint system 3.11.1 ISOFIX low anchorage a 6-mm diameter horizontal rigid round rod extending from the vehicle structure or seat structure, which is a vehicle structural component used in conjunction with the ISOFIX attachment on the child restraint system 3.11.2 ISOFIX attachment attachment extending from the ISOFIX child restraint system structure and used in conjunction with the ISOFIX low anchorage of the vehicle 3.12 anti-rotation device device used in conjunction with ISOFIX anchorages system to prevent the child restraint system from rotating (around the Y axis of the vehicle) during vehicle impact Note 1: Including ISOFIX top tether strap or support leg. Note 2: The anti-rotation device of ISOFIX child restraint system for specific vehicles adopts top tether strap, support legs or other means to prevent rotation. 3.13 ISOFIX top tether strap a webbing strap extending from the top of an ISOFIX child restraint system to the ISOFIX top tether anchorage, and which is equipped with an adjusting device, a tension relieving device, and an ISOFIX top tether connector 3.13.1 ISOFIX top tether anchorage component fixed on the vehicle and connected with the ISOFIX top tether connector to transfer the restraining force to the vehicle 3.13.2 ISOFIX top tether connector component of the child restraint system connected to the ISOFIX top tether strap anchorage of the vehicle 3.13.3 ISOFIX top tether hook a typical ISOFIX top tether connector used to install the ISOFIX top tether strap to the ISOFIX top tether anchorage on the vehicle

Foreword II 1 Scope 2 Normative references 3 Terms and definitions 4 General requirements 5 Performance requirements 6 Test methods 7 Test report 8 Identification 9 Instructional guidance document 10 Determination of the same type 11 Implementation of this standard Annex A (Normative) Requirements for additional anchorages for rearward-facing belted CRSs for specific vehicle Annex B (Normative) Standard safety-belts Annex C (Normative) Height measuring device and measurement method for booster cushion Annex D (Normative) Lower torso test Annex E (Normative) Internal dimensions Annex F (Normative) i-Size support-leg dimension assessment volume and support-leg foot assessment volume Annex G (Normative) Energy absorption test method Annex H (Normative) Method for determining the head impact area Annex I (Normative) Description of the sled Annex J (Normative) Determination of performance indicators for dynamic test Annex K (Normative) Corrosion test Annex L (Normative) Load applying devices Annex M (Normative) Time function curves for braking deceleration or acceleration of the sled Annex N (Normative) Front impact test procedure Annex O (Normative) Rear impact test procedure Annex P (Normative) Dummies and calibration procedures Annex Q (Normative) Test method for buckle strength Annex R (Normative) Micro-slip test Annex S (Normative) Layout of dust test equipment Annex T (Normative) Abrasion test Annex U (Normative) Durability test method for adjusting devices Bibliography