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
中華人民共和國國家標準
GB/T 43249-2023
汽車用被動紅外探測系統
Automotive passive infrared detection system
2023-11-27發布 2023-11-27實施
國家市場監督管理總局 發布
國家標準化管理委員會
目次
前言 I
1 范圍 1
2 規范性引用文件 1
3 術語和定義 1
4 符號和縮略語 2
5 技術要求 3
6 試驗方法 11
7 檢驗規則 25
附錄 A (資料性) 耐久性試驗 26
附錄B (資料性) 耐久性試驗計算模型 28
附錄C (資料性) 靶標樣式 31
汽車用被動紅外探測系統
1 范圍
本文件規定了汽車用被動紅外探測系統的技術要求、試驗方法和檢驗規則。
本文件適用于感知車外環境的基于非制冷紅外焦平面探測器的汽車用被動紅外探測系統(以下簡稱系統)。
2 規范性引用文件
下列文件中的內容通過文中的規范性引用而構成本文件必不可少的條款。其中，注日期的引用文件，僅該日期對應的版本適用于本文件；不注日期的引用文件，其最新版本(包括所有的修改單)適用于 本文件。
GB/T 2828.1 計數抽樣檢驗程序 第1部分：按接收質量限(AQL) 檢索的逐批檢驗抽樣計劃
GB/T 18655—2018 車輛、船和內燃機 無線電騷擾特性 用于保護車載接收機的限值和測量 方法
GB/T 19951—2019 道路車輛 電氣/電子部件對靜電放電抗擾性的試驗方法
GB/T 21437.2—2021 道路車輛 電氣/電子部件對傳導和耦合引起的電騷擾試驗方法 第 2 部 分：沿電源線的電瞬態傳導發射和抗擾性
GB/T 21437.3—2021 道路車輛 電氣/電子部件對傳導和耦合引起的電騷擾試驗方法 第 3 部 分：對耦合到非電源線電瞬態的抗擾性
GB/T 28046.2—2019 道路車輛 電氣及電子設備的環境條件和試驗 第2部分：電氣負荷
GB/T 28046.3—2011 道路車輛 電氣及電子設備的環境條件和試驗 第3部分：機械負荷
GB/T 28046.4—2011 道路車輛 電氣及電子設備的環境條件和試驗 第4部分：氣候負荷
GB/T 28046.5—2013 道路車輛 電氣及電子設備的環境條件和試驗 第5部分：化學負荷
GB/T 30038—2013 道路車輛 電氣電子設備防護等級(IP 代碼)
GB 34660—2017 道路車輛 電磁兼容性要求和試驗方法
ISO 4892-2:2013 塑料 實驗室光源暴露試驗方法 第2部分：氙弧燈(Plastics—Methods of exposure to laboratory light sources—Part 2: Xenon-arc lamps)
ISO 11124-2 涂裝油漆和有關產品前鋼材預處理 噴射清理用金屬磨料的技術要求 第2部分： 冷硬鑄鐵丸(Preparation of steel substrates before application of paints and related products—Specifications for metallic blast-cleaning abrasives—Part 2: Chilled-iron grit)
ISO 12233 攝影 電子靜態圖像成像 分辨率和空間頻率響應(Photography—Electronic still picture imaging—Resolution and spatial frequency responses)
ISO 20567-1 色漆和清漆 涂層耐石屑性能的測定 第1部分：多次沖擊試驗(Paints and varnishes—Determination of stone-chip resistance of coatings—Part 1: Multi-impact testing)
3 術語和定義
下列術語和定義適用于本文件。
3.1
被動紅外探測系統 passive infrared detection system
通過紅外光學系統、紅外焦平面探測器及電子處理單元，將物體表面紅外熱輻射轉換成可分辨的圖 像信號的設備。
3.2
探測器分辨率 sensor resolution
探測器可分割的像元數。
注：以圖像像元為單位，一般用水平方向像元數×垂直方向像元數表示。
3.3
采樣幀頻率 frame sampling frequency
相鄰兩幀圖像的時間間隔的倒數。
注：單位為赫茲(Hz)。
3.4
白熱模式 white hot mode
將較高的紅外熱輻射能映射為高亮，將較低的紅外熱輻射能映射為低亮進行顯示的模式。
……
4 符號和縮略語
下列符號和縮略語適用于本文件。
Tmax: 最高工作溫度
Tmin: 最低工作溫度
UN: 標稱電壓
USmax: 最高供電電壓
USmin: 最低供電電壓
Ut: 試驗電壓
DUT: 被測裝置(Device Under Test)
MTF: 調制傳遞函數(Modulation Transfer Function)
PoC: 信號線供電(Power over Communication)
