GB 39732-2020 PDF EnglishUS$680.00 · In stock · Download in 9 seconds
GB 39732-2020: Vehicle event data recorder system Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB 39732-2020: Vehicle event data recorder system---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/GB39732-2020NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040.10 T 36 Vehicle event data recorder system Issued on. DECEMBER 24, 2020 Implemented on. JANUARY 01, 2022 Issued by. State Administration for Market Regulation; Standardization Administration of PRC. Table of ContentsForeword... 3 1 Scope... 4 2 Normative references... 4 3 Terms and definitions... 5 4 Technical requirements... 9 5 Test methods and requirements... 23 6 Appearance and marking... 27 7 Extension of vehicle models... 27 8 Instruction manual... 28 9 Implementation of standard... 29 Appendix A (Normative) Data element format... 30 Appendix B (Normative) Arrangement of data elements... 34 Appendix C (Normative) Determination of compliance of delta-V curve... 48 Appendix D (Normative) Shock waveform of bench test... 50ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by AND shall be under the jurisdiction of the Ministry of Industry and Information Technology of the People's Republic of China. Vehicle event data recorder system1 ScopeThis standard specifies the terms and definitions, technical requirements, test methods and requirements, appearance and marking, vehicle type extensions and instructions, for the vehicle event data recorder system of category M1 vehicles. This standard applies to category M1 vehicles, which are equipped with a vehicle event data recorder system. Other vehicles can make reference with it.2 Normative referencesThe following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document. GB 11551-2014 The protection of the occupants in the event of a frontal impact for motor vehicle GB 14166 Safety-belts, restraint systems, child restraint systems and ISOFIX child restraint systems for occupants of power-driven vehicles GB 20071 The protection of the occupants in the event of a lateral impact GB/T 20913 The protection of the occupants in the event of an off-set frontal impact for passenger car GB/T 30038 Road vehicles - Degrees of protection (IP-Code) - Protection of electrical equipment against foreign objects, water and access GB/T 34589-2017 Road vehicles - Diagnostic connector ISO 14229-1.2020 Road vehicles - Unified diagnostic services (UDS) - Part 1. Application layer ISO 14230-1 Road vehicles - Diagnostic communication over K-Line (DoK-Line) - Part 1.Physical layer ISO 14230-2 Road vehicles - Diagnostic communication over K-Line (DoK-Line) - Part 2.Datalink layer ISO 14230-3.1999 Road vehicles - Diagnostic systems - Keyword Protocol 2000 - Part 3.Application layer ISO15765-2.2016 Road vehicles - Diagnostic communication over Controller Area Network (DoCAN) - Part 2.Transport protocol and network layer services3 Terms and definitionsThe terms and definitions, as defined in GB 14166, as well as the following terms and definitions, apply to this document. 3.1 Impact event A impact or other physical event, that reaches or exceeds the trigger threshold, OR any other event, that causes an irreversible restraint to deploy, whichever occurs first. 3.2 Vehicle event data recorder system; EDR A device or system, which is composed of one or more on-board electronic modules; has the function of monitoring, collecting, recording the data of the vehicle and occupant protection system before, during, after the occurrence of an impact event. 3.3 EDR controller In-vehicle electronic module, for monitoring, collecting, recording time-series data, during an impact event. 3.4 Lateral acceleration The component of the acceleration vector, at a point on the vehicle, in the direction of the Y axis. 3.5 Longitudinal acceleration The component of the acceleration vector, at a point on the vehicle, in the direction of the X axis. 3.6 Normal acceleration The component of the acceleration vector at a point on the vehicle in the direction of the Z axis.4 Technical requirements4.1 Requirements for impact event 4.1.1 Trigger threshold 4.1.2 Lockout conditions 4.1.3 Starting point of impact event The starting point of the impact event (time zero T0) shall meet any of the following requirements, as shown in Figure 2. 4.1.4 End of impact event The end of the impact event (T end) shall meet the following requirements. 4.1.5 Duration of impact event The duration of impact event is the time interval, between the impact event's start point (T0) and the end point of impact event (T end). 4.2 Data recording requirements 4.2.1 The data elements of EDR records are divided into two levels, according to the following requirements. 4.2.2 In the event of an impact, the data elements recorded by the EDR shall meet the requirements of Appendix A, meanwhile the data recorded by the EDR shall meet the test requirements of 5.1, 5.2, 5.3. 4.3 EDR recording functional requirements 4.3.1 Storage media requirements EDR data shall be recorded in non-volatile memory. 4.3.2 EDR trigger requirements When the vehicle reaches the trigger threshold, which is specified in 4.1.1, the EDR controller shall trigger the recording of data; after the test according to 5.3.2, it shall meet the test requirements. 4.3.3 Requirements for the number of storage events The EDR system shall be able to record at least three consecutive impact event data. After the test according to 5.3.3, it shall meet the test requirements. 4.3.4 Requirements for storage overwriting mechanism 4.3.5 Requirements for power-off storage In the process of impact, if the power supply circuit in the vehicle cannot supply power normally, due to the impact event, then the EDR system itself shall have the power supply capability. 4.4 Data extraction requirements 4.4.1 General requirements After the event occurs, the data recorded by the EDR shall be able to be extracted, AND the data shall be prevented from being tampered with or deleted. 4.4.2 Requirements for data extraction port The EDR data extraction port shall comply with the port definition, in 4.2.1 of GB/T 34589-2017.The terminal arrangement is as shown in Table 4. 4.4.3 Requirements for data extraction protocol 4.4.4 Requirements for data extraction symbol 4.4.5 Requirements for data translation The data recorded by the EDR shall meet the requirements of Table A.1 in Appendix A. It shall be translated, in accordance with the data arrangement in Table B.1. 4.4.6 Requirements for storage period If the EDR storage unit is not replaced, the event data stored by the EDR system shall be available for reading, throughout the vehicle's life cycle. 4.4.7 Additional data extraction requirements If the EDR data is scattered in different on-board electronic modules, then the recorded data shall ensure time synchronization. 4.5 Requirements for protective performance The protection performance of the EDR controller, which records the EDR data, shall meet the functional status requirements, which are specified in GB/T 30038, as shown in Table 10.5 Test methods and requirements5.1 Impact test 5.1.1 Before the test, the longitudinal or lateral acceleration sensor of the laboratory shall be installed, in or near the longitudinal center plane of the vehicle. If the EDR controller, where the vehicle acceleration sensor is located, is in the longitudinal center plane of the vehicle, THEN, the laboratory acceleration sensor shall be installed on or near the surface of the EDR controller; the distance between the laboratory acceleration sensor and the surface of the EDR controller shall be less than 30 mm. 5.1.2 Vehicles, which are equipped with frontal airbags, shall be tested, in accordance with GB 11551-2014 or GB/T 20913.It shall record the deployment time of the irreversible restraint device, which are equipped on the vehicle. 5.1.3 Vehicles, which are equipped with side airbags or side curtains, shall be tested in accordance with GB 20071.The deployment time of the irreversible restraint device, which are equipped on the vehicle, shall be recorded. 5.2 Driving operation data test 5.2.1 During the test, when the vehicle engine is running (the pure electric vehicle and hybrid electric vehicle are powered on), the electronic and electrical systems of the vehicle, which are recorded by the EDR, shall be set and kept in the ON state. The relevant components shall be set at least as follows. 5.2.2 The following, but not limited to, four methods shall be used to trigger the impact threshold. 5.2.3 The EDR system shall be triggered and record data. The data shall meet the recording requirements of 4.2.At the same time, the recording of relevant data shall be consistent with the vehicle setting status in 5.2.1. 5.3 Bench test 5.3.1 Test preparation 5.3.2 EDR system trigger test 5.3.4 Storage overwriting mechanism test 5.3.5 Power-off storage test 5.3.5.1 Before the test, the EDR controller shall have enough storage space, to record a complete event.6 Appearance and markingThe surface of the EDR controller shall be marked with vehicle manufacturer information and controller manufacturer information (abbreviation or logo can be marked), specifications and models, the unique number of the ECU that records the EDR data, etc.7 Extension of vehicle models7.1 General For the models that have passed the type inspection according to this standard, the results can be extended to other models, that meet the determination conditions of 7.2. After a model has been extended, the extended model cannot be further extended to other models. 7.2 Judgment conditions 7.2.1 The vehicle manufacturer is the same. 7.2.2 The EDR controller manufacturer is the same. 7.2.3 The EDR controller's model is the same. 7.2.4 For the vehicle impact test, the following conditions are also included. 7.2.5 For the driving operation data test, the following conditions are also included. The data sources and transmission strategies (referring to data sources, such as buses or hard wires, sensors, etc.), for information related to driver operations, such as braking, acceleration, turn signals, are the same. 7.2.6 For the bench test, different software numbers are allowed. The following conditions are also included.8 Instruction manual8.1 For a vehicle, which is equipped with an event data recorder system (EDR), its product's instruction manual shall at least include. 8.2 For d) ~ g) in 8.1, if it can be obtained through other public means (such as maintenance manual or official website), it is also deemed to meet the requirements.9 Implementation of standardFrom January 1, 2022, new models for type approval shall meet the requirements, other than level B data elements and 4.4.From January 1, 2024, new models for type approval shall meet all the requirements, which are specified in this standard. ......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 39732-2020 be delivered?Answer: The full copy PDF of English version of GB 39732-2020 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 39732-2020_English with my colleagues?Answer: Yes. The purchased PDF of GB 39732-2020_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 39732-2020 -- 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.How to buy and download a true PDF of English version of GB 39732-2020?A step-by-step guide to download PDF of GB 39732-2020_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 39732-2020". 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 |
