GB/T 19514-2024 Method of measuring volume for passenger car luggage compartment
Warning: This document is to define a uniform measurement basis and method, mainly to characterize the storage capacity of a luggage compartment, and is not to guide the personnel using this document to carry out operations that affect driving safety.
1 Scope
This document describes the unit module, the boundary and code of luggage compartment volume, the measurement method, and the representation of luggage compartment volume in the measurement of luggage compartment volume of a passenger car.
This document applies to the measurement of luggage compartment volumes for vehicles of Category M1, and may serve as a reference for other types of vehicles.
2 Normative references
The following normative 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 3730.1 Terms and definitions of motor vehicles, trailers and combination vehicle - Part 1: Types
GB/T 4780 Terms for motor vehicle body
GB/T 12673 Motor vehicle main dimensions measurement method
GB 15083 Strength requirement and test method of automobile seats, their anchorages and any head restraints
3 Terms and definitions
For the purpose of this document, the terms and definitions given in GB/T 3730.1, GB/T 4780, and GB/T 12673 as well as the following apply.
3.1
luggage compartment
space in a vehicle body for luggage
[Source: GB/T 4780-2020, 4.2.6]
3.2
reference volume of luggage compartment
maximum sum of the volumes of the unit modules placed within the measurement boundary of a luggage compartment
Note 1: The luggage compartment whose volume is to be measured may be a front luggage compartment, a rear luggage compartment through to the passenger compartment, a rear luggage compartment not through to the passenger compartment, or a concealed enclosed luggage compartment.
Note 2: The volume unit is liter (L) or cubic decimeter (dm3).
3.3
unit module
cuboid for measuring the volume of a luggage compartment that has standardized dimensions and is sufficiently rigid to resist deformation
3.4
front luggage compartment
space for storage designed to be located in the powertrain compartment in the front of a vehicle
3.5
rear luggage compartment not through to the passenger compartment
rear space for storage not through to the passenger compartment (with the luggage compartment partition fixed and undetachable)
Note: The volume of a rear concealed enclosed luggage compartment is included in that of the rear luggage compartment not through to the passenger compartment
3.6
rear luggage compartment through to the passenger compartment
rear space for storage through to the passenger compartment (with the luggage compartment partition detachable, foldable and retractable)
Note: The volume of a rear concealed enclosed luggage compartment is included in that of the rear luggage compartment through to the passenger compartment
4 Unit module
Each unit module is a cuboid, with the fillet radius of each edge not greater than 10mm, while its dimension error shall not exceed ±1mm. Each unit module shall be sufficiently rigid to resist deformation, with its dimensions as specified in Table 1.
Contents
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Unit module
5 Boundary and code of luggage compartment volume
6 Measurement method
7 Representation of luggage compartment volume
Annex A (Informative) Measurement record of luggage compartment volume
乘用车行李舱容积的测量方法
重要提示：本文件旨在明确统一的测量基准和方法，主要表征行李舱储物能力，并非引导使用本文件的人员进行影响行车安全的操作。
1 范围
本文件描述了乘用车行李舱容积测量中的基准量块、行李舱容积的界限及代码、测量方法、行李舱容积的表示方法。
本文件适用于M₁类汽车行李舱容积的测量，其他类型车辆参照执行。
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 3730.1 汽车、挂车及汽车列车的术语和定义 第1部分：类型
GB/T 4780 汽车车身术语
GB/T 12673 汽车主要尺寸测量方法
GB 15083 汽车座椅、座椅固定装置及头枕强度要求和试验方法
3 术语和定义
GB/T 3730.1、GB/T 4780和GB/T 12673界定的以及下列术语和定义适用于本文件。
3.1
行李舱 luggage compartment
供放置行李的车身空间。
[来源：GB/T 4780—2020，4.2.6]
3.2
行李舱容积 reference volume of luggage compartment
在行李舱测量界限内放入基准量块的体积之和最大值。
注1:包含前置行李舱容积、后置贯通式行李舱容积、后置非贯通式行李舱容积以及隐藏式封闭行李舱容积。
注2:单位为升(L)或立方分米(dm³)。
3.3
基准量块 unit module
用于测量行李舱容积且有标准尺寸规格、有足够的硬度、不易发生形变的长方体。
3.4
前置行李舱 front luggage compartment
位于车辆前部，设计在动力总成舱内的储物空间。
3.5
后置非贯通式行李舱 rear luggage compartment do not through to the passenger compartment
与乘客舱非贯通的后置储物空间(行李舱隔板固定，不可拆除)。
注：后置隐藏式封闭行李舱容积包含在后置非贯通式行李舱容积中。
3.6
后置贯通式行李舱 rear luggage compartment through to the passenger compartment
与乘客舱贯通的后置储物空间(行李舱隔板可拆除、翻折、收起)。
注：后置隐藏式封闭行李舱容积包含在后置贯通式行李舱容积中。
4 基准量块
基准量块为长方体，每条棱边的圆角半径应不大于10 mm，尺寸误差应不超过±1mm，基准量块 有足够的硬度，不易发生形变，各量块型号尺寸应符合表1的规定。
