Automotive passive infrared detection system
1 Scope
This document specifies the technical requirements, test methods and inspection rules for an automotive passive infrared detection system.
This document is applicable to any automotive passive infrared detection system based on an uncooled infrared focal plane detector(s) for sensing the external environment of the automobile (hereinafter referred to as the System).
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 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 18655-2018 Vehicles boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for the protection of on-board receivers
GB/T 19951-2019 Road vehicles - Disturbances test methods for electrical/electronic component from electrostatic discharge
GB/T 21437.2-2021 Road vehicles - Test method of electrical disturbances from conduction and coupling - Part 2: Electrical transient conduction along supply lines only
GB/T 21437.3-2021 Road vehicles - Test method of electrical disturbances from conduction and coupling - Part 3: Electrical transient transmission by capacitive and inductive coupling via lines other than supply lines
GB/T 28046.2-2019 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 2: Electrical loads
GB/T 28046.3-2011 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 3: Mechanical loads
GB/T 28046.4-2011 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 4: Climatic loads
GB/T 28046.5-2013 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 5: Chemical loads
GB/T 30038-2013 Road vehicles - Degrees of electrical equipment protection (IP-Code)
GB 34660-2017 Road vehicles - Requirements and test methods of electromagnetic compatibility
ISO 4892-2:2013 Plastics - Methods of exposure to laboratory light sources - Part 2: Xenon-arc lamps
ISO 11124-2 Preparation of steel substrates before application of paints and related products - Specifications for metallic blast-cleaning abrasives - Part 2: Chilled-iron grit
ISO 12233 Photography - Electronic still picture imaging - Resolution and spatial frequency responses
ISO 20567-1 Paints and varnishes - Determination of stone-chip resistance of coatings - Part 1: Multi-impact testing
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
passive infrared detection system
device that converts the infrared thermal radiation from the surface of an object into a discernible image signal(s) by means of an infrared optical system, an infrared focal plane detector and an electronic processing unit
3.2
sensor resolution
number of pixels that the detector can divide an image into
Note: Generally expressed by the number of pixels in horizontal direction × the number of pixels in vertical direction, with each image pixel as a unit.
3.3
frame sampling frequency
reciprocal of the time interval between two adjacent frames
Note: Expressed in Hz.
3.4
white hot mode
mode in which higher thermal IR energy is mapped as high brightness and lower thermal IR energy as low brightness for display
4 Symbols and abbreviations
For the purposes of this document, the following symbols and abbreviations apply.
Tmax: Maximum Operating Temperature
Tmin: Minimum Operating Temperature
UN: Nominal Voltage
USmax: Maximum Supply Voltage
USmin: Minimum Supply Voltage
Ut: Test Voltage
DUT: Device Under Test
MTF: Modulation Transfer Function
PoC: Power over Communication
Foreword I
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Technical requirements
6 Test methods
7 Inspection rules
Annex A (Informative) Durability test
Annex B (Informative) Calculation model for durability test
Annex C (Informative) Target style
ICS 43.040.10
CCS T 36
中华人民共和国国家标准
GB/T 43249-2023
汽车用被动红外探测系统
Automotive passive infrared detection system
2023-11-27发布 2023-11-27实施
国家市场监督管理总局 发布
国家标准化管理委员会
目次
前言 I
1 范围 1
2 规范性引用文件 1
3 术语和定义 1
4 符号和缩略语 2
5 技术要求 3
6 试验方法 11
7 检验规则 25
附录 A (资料性) 耐久性试验 26
附录B (资料性) 耐久性试验计算模型 28
附录C (资料性) 靶标样式 31
汽车用被动红外探测系统
1 范围
本文件规定了汽车用被动红外探测系统的技术要求、试验方法和检验规则。
本文件适用于感知车外环境的基于非制冷红外焦平面探测器的汽车用被动红外探测系统(以下简称系统)。
2 规范性引用文件
下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本(包括所有的修改单)适用于 本文件。
GB/T 2828.1 计数抽样检验程序 第1部分：按接收质量限(AQL) 检索的逐批检验抽样计划
GB/T 18655—2018 车辆、船和内燃机 无线电骚扰特性 用于保护车载接收机的限值和测量 方法
GB/T 19951—2019 道路车辆 电气/电子部件对静电放电抗扰性的试验方法
GB/T 21437.2—2021 道路车辆 电气/电子部件对传导和耦合引起的电骚扰试验方法 第 2 部 分：沿电源线的电瞬态传导发射和抗扰性
GB/T 21437.3—2021 道路车辆 电气/电子部件对传导和耦合引起的电骚扰试验方法 第 3 部 分：对耦合到非电源线电瞬态的抗扰性
GB/T 28046.2—2019 道路车辆 电气及电子设备的环境条件和试验 第2部分：电气负荷
GB/T 28046.3—2011 道路车辆 电气及电子设备的环境条件和试验 第3部分：机械负荷
GB/T 28046.4—2011 道路车辆 电气及电子设备的环境条件和试验 第4部分：气候负荷
GB/T 28046.5—2013 道路车辆 电气及电子设备的环境条件和试验 第5部分：化学负荷
GB/T 30038—2013 道路车辆 电气电子设备防护等级(IP 代码)
GB 34660—2017 道路车辆 电磁兼容性要求和试验方法
ISO 4892-2:2013 塑料 实验室光源暴露试验方法 第2部分：氙弧灯(Plastics—Methods of exposure to laboratory light sources—Part 2: Xenon-arc lamps)
ISO 11124-2 涂装油漆和有关产品前钢材预处理 喷射清理用金属磨料的技术要求 第2部分： 冷硬铸铁丸(Preparation of steel substrates before application of paints and related products—Specifications for metallic blast-cleaning abrasives—Part 2: Chilled-iron grit)
ISO 12233 摄影 电子静态图像成像 分辨率和空间频率响应(Photography—Electronic still picture imaging—Resolution and spatial frequency responses)
ISO 20567-1 色漆和清漆 涂层耐石屑性能的测定 第1部分：多次冲击试验(Paints and varnishes—Determination of stone-chip resistance of coatings—Part 1: Multi-impact testing)
3 术语和定义
下列术语和定义适用于本文件。
3.1
被动红外探测系统 passive infrared detection system
通过红外光学系统、红外焦平面探测器及电子处理单元，将物体表面红外热辐射转换成可分辨的图 像信号的设备。
3.2
探测器分辨率 sensor resolution
探测器可分割的像元数。
注：以图像像元为单位，一般用水平方向像元数×垂直方向像元数表示。
3.3
采样帧频率 frame sampling frequency
相邻两帧图像的时间间隔的倒数。
注：单位为赫兹(Hz)。
3.4
白热模式 white hot mode
将较高的红外热辐射能映射为高亮，将较低的红外热辐射能映射为低亮进行显示的模式。
……
4 符号和缩略语
下列符号和缩略语适用于本文件。
Tmax: 最高工作温度
Tmin: 最低工作温度
UN: 标称电压
USmax: 最高供电电压
USmin: 最低供电电压
Ut: 试验电压
DUT: 被测装置(Device Under Test)
MTF: 调制传递函数(Modulation Transfer Function)
PoC: 信号线供电(Power over Communication)
