標(biāo)準(zhǔn)解讀

《GB/T 44131-2024 燃料電池電動(dòng)汽車(chē)碰撞后安全要求》這一標(biāo)準(zhǔn)旨在為燃料電池電動(dòng)汽車(chē)在遭遇碰撞事故后的安全性提供規(guī)范。該標(biāo)準(zhǔn)涵蓋了車(chē)輛設(shè)計(jì)、制造及測(cè)試等多個(gè)方面,以確保此類(lèi)車(chē)輛即使在發(fā)生交通事故的情況下也能最大程度地保障乘員及其他道路使用者的安全。

標(biāo)準(zhǔn)首先定義了適用范圍,明確指出其適用于使用氫作為能源的燃料電池電動(dòng)汽車(chē),并且針對(duì)不同類(lèi)型的碰撞情況提出了具體的安全性能要求。這包括但不限于正面碰撞、側(cè)面碰撞以及后部碰撞等場(chǎng)景下的安全評(píng)估方法與指標(biāo)。

對(duì)于碰撞后的電氣系統(tǒng)安全,《GB/T 44131-2024》強(qiáng)調(diào)了高壓系統(tǒng)的斷電機(jī)制,要求車(chē)輛在檢測(cè)到嚴(yán)重碰撞時(shí)能夠自動(dòng)切斷高壓電源供應(yīng),防止因短路等原因引發(fā)火災(zāi)或電擊風(fēng)險(xiǎn)。此外,還規(guī)定了關(guān)于氫氣泄漏控制的具體措施,比如設(shè)置有效的氣體探測(cè)裝置來(lái)監(jiān)測(cè)潛在的泄漏情況,并采取適當(dāng)手段(如開(kāi)啟通風(fēng)扇)降低車(chē)內(nèi)氫氣濃度至安全水平。

在結(jié)構(gòu)完整性方面,標(biāo)準(zhǔn)對(duì)車(chē)身結(jié)構(gòu)強(qiáng)度、變形程度等方面設(shè)定了嚴(yán)格限制,確保即便是在強(qiáng)烈撞擊下,乘客艙空間仍能保持足夠完整,從而保護(hù)車(chē)內(nèi)人員免受傷害。同時(shí),對(duì)于車(chē)內(nèi)外突出部件的設(shè)計(jì)也做出了相應(yīng)指導(dǎo),避免這些部分成為造成二次傷害的因素。


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文檔簡(jiǎn)介

ICS

43.020

CCS

T09

中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn)

GB/T44131—2024

燃料電池電動(dòng)汽車(chē)碰撞后安全要求

Post-crashsafetyrequirementforfuelcellelectricvehicle

2024-05-28發(fā)布2024-05-28實(shí)施

國(guó)家市場(chǎng)監(jiān)督管理總局發(fā)布

國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)

GB/T44131—2024

目次

前言

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1

范圍

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1

2

規(guī)范性引用文件

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1

3

術(shù)語(yǔ)和定義

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1

4

測(cè)量參數(shù)、單位、準(zhǔn)確度和分辨率

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2

5

安全要求

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3

5.1

通則

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3

5.2

碰撞后CHSS安全要求

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3

5.3

防觸電保護(hù)要求

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4

5.4

其他要求

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4

6

試驗(yàn)程序

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4

6.1

試驗(yàn)前車(chē)輛準(zhǔn)備

·················································································

4

6.2

碰撞試驗(yàn)

·························································································

4

7

試驗(yàn)方法

······························································································

5

7.1

CHSS碰撞后燃料泄漏測(cè)試方法

·································································

5

7.2

碰撞后封閉空間或半封閉空間氣體濃度測(cè)試

····················································

7

7.3

滑車(chē)試驗(yàn)

·························································································

8

7.4

沖擊試驗(yàn)

·························································································

9

附錄A(資料性)

壓力和溫度傳感器核查程序

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10

A.1

樣車(chē)檢查

·······················································································

10

A.2

溫度傳感器準(zhǔn)確度核查

········································································

10

A.3

溫度與壓力關(guān)系準(zhǔn)確度核查

···································································

10

參考文獻(xiàn)

································································································

11

GB/T44131—2024

前言

本文件按照GB/T1.1—2020《標(biāo)準(zhǔn)化工作導(dǎo)則第1部分:標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)

定起草。

請(qǐng)注意本文件的某些內(nèi)容可能涉及專(zhuān)利。本文件的發(fā)布機(jī)構(gòu)不承擔(dān)識(shí)別專(zhuān)利的責(zé)任。

本文件由中華人民共和國(guó)工業(yè)和信息化部提出。

本文件由全國(guó)汽車(chē)標(biāo)準(zhǔn)化技術(shù)委員會(huì)(SAC/TC114)歸口。

本文件起草單位:襄陽(yáng)達(dá)安汽車(chē)檢測(cè)中心有限公司、中國(guó)汽車(chē)技術(shù)研究中心有限公司、豐田汽車(chē)

(中國(guó))投資有限公司、北汽福田汽車(chē)股份有限公司、現(xiàn)代汽車(chē)研發(fā)中心(中國(guó))有限公司、東風(fēng)汽車(chē)

集團(tuán)股份有限公司、上汽大通汽車(chē)有限公司、中汽研汽車(chē)檢驗(yàn)中心(天津)有限公司、同濟(jì)大學(xué)、中國(guó)

第一汽車(chē)股份有限公司、廣州汽車(chē)集團(tuán)股份有限公司、長(zhǎng)城汽車(chē)股份有限公司、深藍(lán)汽車(chē)科技有限公

司、北京億華通科技股份有限公司、招商局檢測(cè)車(chē)輛技術(shù)研究院有限公司、中國(guó)重型汽車(chē)集團(tuán)有限公

司、中車(chē)時(shí)代電動(dòng)汽車(chē)股份有限公司。

本文件主要起草人:李強(qiáng)紅、蘭昊、王丹、許諾、劉永亮、于敏、劉桂彬、何云堂、謝瀟、

史建鵬、劉毅、王青貴、朱海濤、鄭天雷、侯永平、柳邵輝、韓令海、曾繁波、李普明、陳明、劉昱、

吳少華、陳金銳、張國(guó)強(qiáng)、楊超、梁?jiǎn)痰?、孟祥菊、李偉聰?/p>

GB/T44131—2024

燃料電池電動(dòng)汽車(chē)碰撞后安全要求

1范圍

本文件規(guī)定了燃料電池電動(dòng)汽車(chē)碰撞后的特殊安全要求,描述了相應(yīng)的試驗(yàn)方法。

本文件適用于使用壓縮氣態(tài)氫且車(chē)載氫系統(tǒng)公稱(chēng)工作壓力不超過(guò)70MPa的M類(lèi)和N類(lèi)燃料電池電

動(dòng)汽車(chē)。

2規(guī)范性引用文件

下列文件中的內(nèi)容通過(guò)文中的規(guī)范性引用而構(gòu)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(duì)應(yīng)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。

GB11551汽車(chē)正面碰撞的乘員保護(hù)

GB/T15089機(jī)動(dòng)車(chē)輛及掛車(chē)分類(lèi)

GB17578

客車(chē)上部結(jié)構(gòu)強(qiáng)度要求及試驗(yàn)方法

GB/T18385電動(dòng)汽車(chē)動(dòng)力性能試驗(yàn)方法

GB/T19596電動(dòng)汽車(chē)術(shù)語(yǔ)

GB20071汽車(chē)側(cè)面碰撞的乘員保護(hù)

GB20072乘用車(chē)后碰撞燃油系統(tǒng)安全要求

GB/T24548燃料電池電動(dòng)汽車(chē)術(shù)語(yǔ)

GB/T24549—2020燃料電池電動(dòng)汽車(chē)安全要求

GB26512—2021商用車(chē)駕駛室乘員保護(hù)

GB/T26990燃料電池電動(dòng)汽車(chē)車(chē)載氫系統(tǒng)技術(shù)條件

GB/T31498—2021電動(dòng)汽車(chē)碰撞后安全要求

GB38032—2020電動(dòng)客車(chē)安全要求

ISO6487:2015道路車(chē)輛碰撞試驗(yàn)中的測(cè)量技術(shù)裝備(Roadvehicles—Measurementtech?

niquesinimpacttests—Instrumentation)

3術(shù)語(yǔ)和定義

GB/T19596、GB/T24548、GB/T24549—2020、GB/T26990、GB/T15089界定的以及下列

術(shù)語(yǔ)和定義適用于本文件。

3.1

主關(guān)斷閥mainshut-offvalve

用來(lái)關(guān)斷從儲(chǔ)氫氣瓶向下游供應(yīng)氫氣的閥。

[來(lái)源:GB/T24549—2020,3.1,有修改]

3.2

封閉空間或半封閉空間enclosed

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