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JJF 1775-2019 English PDF

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JJF 1775-2019: Program of Pattern Evaluation of Lidar Speed-Measuring Device
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Standard similar to JJF 1775-2019

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Basic data

Standard ID JJF 1775-2019 (JJF1775-2019)
Description (Translated English) Program of Pattern Evaluation of Lidar Speed-Measuring Device
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A53
Classification of International Standard 17.160
Word Count Estimation 29,273
Date of Issue 2019
Date of Implementation 2020-03-31
Issuing agency(ies) State Administration for Market Regulation

JJF 1775-2019: Program of Pattern Evaluation of Lidar Speed-Measuring Device

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Motor vehicle laser speedometer type evaluation outline) National Metrology Technical Specifications of the People's Republic of China Motor Vehicle Laser Speedometer Type Evaluation Outline 2019-12-31 released 2020-03-31 Implementation Issued by the State Administration for Market Regulation Motor Vehicle Laser Speedometer Type evaluation outline Focal point. National Technical Committee of Vibration and Shock Speed Measurement Main drafting unit. China Institute of Metrology Beijing Great Wall Metrology and Testing Technology Institute Participated in the drafting. Zhejiang Institute of Metrology The Third Research Institute of the Ministry of Public Security Bolong Jianya Technology (Beijing) Co., Ltd. This outline entrusts the National Technical Committee of Vibration and Shock Speed Measurement to be responsible for the interpretation The main drafters of this outline. Sun Qiao (China Institute of Metrology) Du Lei (China Institute of Metrology) Cai Changqing (China Institute of Metrology) Cui Yanmei (Beijing Great Wall Metrology and Testing Technology Research Institute) Participating drafters. Lin Feng (Zhejiang Institute of Metrology) Wu Yixuan (The Third Research Institute of the Ministry of Public Security) Zhao Xiaosong [Bolong Jianya Technology (Beijing) Co., Ltd.]

table of Contents

Introduction (Ⅲ) 1 scope (1) 2 Reference documents (1) 3 Term (2) 3.1 Pulse laser speed measurement (2) 3.2 Motor vehicle laser speedometer (2) 3.3 Motor vehicle laser speed measurement unit (2) 3.4 Motor vehicle laser speedometer simulation verification device (2) 3.5 Simulate standard speed value (2) 3.6 Analog speed measurement error (2) 3.7 Pulse repetition rate of change (2) 4 Overview (2) 5 Legal management requirements (3) 5.1 Unit of measurement (3) 5.2 External structure (3) 5.3 Logo (3) 5.4 Software(3) 6 Measurement requirements (3) 6.1 Speed measurement range (3) 6.2 Analog speed measurement error (3) 6.3 Error of on-site speed measurement (4) 6.4 Pulse repetition rate of change (4) 7 General technical requirements (4) 7.1 Appearance, structure and functionality (4) 7.2 Environmental adaptability (4) 7.3 Power supply voltage adaptability (5) 7.4 Electromagnetic immunity (5) 7.5 Eye safety(5) 7.6 Electrical safety(6) 8 Type evaluation items (6) 9 Provide the number of prototypes and how to use the prototypes (7) 9.1 Number of prototypes provided (7) 9.2 How to use the prototype (7) 10 Test methods and conditions of test items, data processing and qualification criteria (7) 10.1 Appearance, structure and functionality (7) 10.2 Speed measurement range (8) 10.3 Error of analog speed measurement (8) 10.4 Error of on-site speed measurement (9) 10.5 Pulse repetition rate of change (9) 10.6 Lower limit of operating temperature (10) 10.7 Upper working temperature (11) 10.8 Alternating damp heat test (11) 10.9 Insulation resistance (11) 10.10 Withstand voltage test (12) 10.11 Ground on-resistance (12) 10.12 Eye safety (13) 10.13 Power supply voltage adaptability (13) 10.14 Electrostatic discharge immunity test (13) 10.15 Electrical fast transient pulse group immunity test (14) 10.16 Surge immunity test (14) 10.17 Conducted disturbance immunity test (15) 10.18 Voltage sag and short-term interruption immunity test (15) 10.19 Radio frequency electromagnetic field radiation immunity test (16) 10.20 Metrological performance test after electromagnetic compatibility test (16) 10.21 Vibration test (16) 10.22 Impact test (17) 10.23 Metrological performance test after mechanical environment test (17) 10.24 Sand and dust test (18) 10.25 Rain test (18) 11 Table of measuring instruments and equipment used in the test items (18) Appendix A Type Evaluation Record Format (21)

Introduction

This syllabus is based on JJF 1016 "Guidelines for the Compilation of Measurement Apparatus Type Evaluation Outline", JJF 1015 "Measurement Apparatus Type General Specification for Evaluation, JJF 1001 General Measurement Terms and Definitions and JJF 1059.1 Evaluation of Uncertainty in Measurement "And Representation" is compiled as a basic specification. This outline is issued for the first time. Motor Vehicle Laser Speedometer Type Evaluation Outline

1 Scope

This syllabus is applicable to motor vehicle laser speedometers that use the principle of pulsed laser speed measurement, including automatic monitoring of motor vehicle speeding. Type evaluation of laser speed measurement unit (hereinafter referred to as laser speed measurement unit) of the measurement system.

2 Reference documents

This outline refers to the following documents. JJG1074-2012 Motor Vehicle Laser Speedometer GB/T 2423.1-2008 Environmental testing of electric and electronic products Part 2.Test method Test A. Low temperature GB/T 2423.2-2008 Environmental testing of electric and electronic products Part 2.Test method Test B. High temperature GB/T 2423.4-2008 Environmental testing of electrical and electronic products Part 2.Test method Test Db. Alternating damp heat (12h 12h cycle) GB/T 2423.5-1995 Environmental testing of electric and electronic products Part 2.Test method Test Ea and guideline. Impact GB/T 2423.10-2008 Environmental testing of electric and electronic products Part 2.Test method Test Fc. Vibration (sinusoidal) GB/T 2423.37-2006 Environmental testing of electric and electronic products Part 2.Test method Test L. Sand dust test GB/T 2423.38-2008 Environmental testing of electrical and electronic products Part 2.Test methods Test R. Water test methods and guidelines GB 7247.1-2001 Safety of Laser Products Part 1.Equipment Classification, Requirements and User Guide GB/T 17626.2-2006 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test GB/T 17626.3-2006 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field radiation immunity test GB/T 17626.4-2008 Electromagnetic compatibility test and measurement technology Electrical fast transient pulse group immunity test GB/T 17626.5-2008 Electromagnetic compatibility test and measurement technology surge (impact) immunity test GB/T 17626.6-2008 Electromagnetic compatibility test and measurement technology Radio frequency field induced conducted disturbance immunity GB/T 17626.11-2008 Electromagnetic compatibility test and measurement technology Voltage sag, short-term interruption and voltage change immunity test GB/T 21255-2007 Motor Vehicle Speedometer General technical requirements for laser speedometers for motor vehicles

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