GB 27887-2024 PDF EnglishUS$1910.00 · In stock · Download in 9 seconds
GB 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 procedure Status: Valid GB 27887: Historical versions
Similar standardsGB 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/GB27887-2024GB 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 ContentsForeword... 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... 1711 ScopeThis 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 referencesThe 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 arc3 Terms and definitionsThe 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 requirements4.1 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 system5 Performance requirements5.1 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 device6 Test methods6.1 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 report7.1 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 Marking8.1 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 documents9.1 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. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB 27887-2024 be delivered?Answer: The full copy PDF of English version of GB 27887-2024 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB 27887-2024_English with my colleagues?Answer: Yes. The purchased PDF of GB 27887-2024_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB 27887-2024 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.Question 5: Should I purchase the latest version GB 27887-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB 27887-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.How to buy and download a true PDF of English version of GB 27887-2024?A step-by-step guide to download PDF of GB 27887-2024_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).Step 2: Search keyword "GB 27887-2024". Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart. Step 4: Select payment option (Via payment agents Stripe or PayPal). Step 5: Customize Tax Invoice -- Fill up your email etc. Step 6: Click "Checkout". Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively. Step 8: Optional -- Go to download PDF. Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice. See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9 |
