標(biāo)準(zhǔn)解讀

GB/T 44255-2024 是一項(xiàng)針對(duì)土方機(jī)械中純電動(dòng)液壓挖掘機(jī)能量消耗量的試驗(yàn)方法國(guó)家標(biāo)準(zhǔn)。該標(biāo)準(zhǔn)詳細(xì)規(guī)定了如何測(cè)試和評(píng)估純電動(dòng)液壓挖掘機(jī)在特定工況下的能源使用效率,旨在為制造商、檢測(cè)機(jī)構(gòu)及用戶等提供統(tǒng)一的測(cè)試流程和評(píng)價(jià)依據(jù),促進(jìn)產(chǎn)品的能效提升和行業(yè)規(guī)范化發(fā)展。

標(biāo)準(zhǔn)適用范圍

本標(biāo)準(zhǔn)適用于純電動(dòng)液壓挖掘機(jī),明確了這類機(jī)械設(shè)備在進(jìn)行能量消耗量測(cè)試時(shí)應(yīng)遵循的具體方法和要求。這包括了不同型號(hào)、規(guī)格的純電動(dòng)挖掘機(jī),確保測(cè)試結(jié)果的廣泛適用性和可比性。

主要內(nèi)容概覽

  1. 術(shù)語(yǔ)和定義:首先對(duì)相關(guān)專業(yè)術(shù)語(yǔ)進(jìn)行界定,確保所有使用者對(duì)標(biāo)準(zhǔn)中的概念有統(tǒng)一理解,如“能量消耗量”、“工作循環(huán)”等。

  2. 測(cè)試條件與準(zhǔn)備:規(guī)定了進(jìn)行能量消耗量測(cè)試前的環(huán)境條件(如溫度、濕度)、試驗(yàn)場(chǎng)地要求、設(shè)備狀態(tài)調(diào)整(如滿電、預(yù)熱)等,以確保測(cè)試環(huán)境的一致性和測(cè)試結(jié)果的準(zhǔn)確性。

  3. 測(cè)試方法:詳細(xì)描述了能量消耗量的測(cè)定步驟,包括但不限于:

    • 工作循環(huán)設(shè)定:根據(jù)挖掘機(jī)典型作業(yè)模式設(shè)定標(biāo)準(zhǔn)工作循環(huán),如挖掘、裝載、回轉(zhuǎn)、行走等。
    • 能耗測(cè)量:采用精確的儀器設(shè)備監(jiān)測(cè)整個(gè)工作循環(huán)過程中的電能消耗,記錄數(shù)據(jù)。
    • 重復(fù)性與再現(xiàn)性測(cè)試:為保證結(jié)果可靠性,要求進(jìn)行多次測(cè)試并分析數(shù)據(jù)的重復(fù)性和再現(xiàn)性。
  4. 數(shù)據(jù)處理與計(jì)算:說(shuō)明了如何處理測(cè)試中收集到的數(shù)據(jù),包括數(shù)據(jù)篩選、異常值處理以及最終能量消耗量的計(jì)算方法。

  5. 試驗(yàn)報(bào)告:規(guī)定了試驗(yàn)報(bào)告應(yīng)包含的內(nèi)容,如測(cè)試條件、設(shè)備信息、測(cè)試結(jié)果及分析等,以便于結(jié)果的交流與審核。

重要性

該標(biāo)準(zhǔn)的實(shí)施有助于提升純電動(dòng)液壓挖掘機(jī)的能效管理水平,指導(dǎo)制造商優(yōu)化設(shè)計(jì)、降低產(chǎn)品運(yùn)行成本,同時(shí)為用戶選購(gòu)高能效產(chǎn)品提供參考。此外,它還促進(jìn)了環(huán)保理念在工程機(jī)械領(lǐng)域的應(yīng)用,支持可持續(xù)發(fā)展目標(biāo)的實(shí)現(xiàn)。


如需獲取更多詳盡信息,請(qǐng)直接參考下方經(jīng)官方授權(quán)發(fā)布的權(quán)威標(biāo)準(zhǔn)文檔。

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文檔簡(jiǎn)介

ICS53.100

CCSP97

中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn)

GB/T44255—2024

土方機(jī)械純電動(dòng)液壓挖掘機(jī)能量

消耗量試驗(yàn)方法

Earth?movingmachinery—Energyconsumptionforbatteryelectrichydraulic

excavators—Testmethods

2024?07?24發(fā)布2024?07?24實(shí)施

國(guó)家市場(chǎng)監(jiān)督管理總局

國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)發(fā)布

GB/T44255—2024

目次

前言··························································································································Ⅲ

1范圍·······················································································································1

2規(guī)范性引用文件········································································································1

3術(shù)語(yǔ)和定義··············································································································1

4試驗(yàn)條件·················································································································1

5能量消耗量的測(cè)量方法·······························································································2

6試驗(yàn)方法·················································································································3

7續(xù)航能力評(píng)估···········································································································7

8作業(yè)效率評(píng)估···········································································································8

9能量效率評(píng)價(jià)···········································································································8

附錄A(資料性)試驗(yàn)記錄表························································································10

圖1使用電壓計(jì)和電流計(jì)對(duì)動(dòng)力電池的能量消耗進(jìn)行測(cè)量的方法示例·····································3

圖290°回轉(zhuǎn)挖掘裝載作業(yè)示意圖····················································································5

圖3平地作業(yè)試驗(yàn)示意圖······························································································6

表1測(cè)量參數(shù)和準(zhǔn)確度·································································································2

表2挖掘裝載作業(yè)參數(shù)·································································································4

表3平地距離·············································································································6

表A.1電動(dòng)挖掘機(jī)充電試驗(yàn)記錄表················································································10

表A.2電動(dòng)挖掘機(jī)挖掘裝載作業(yè)試驗(yàn)?zāi)芰肯牧坑涗洷怼ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?0

表A.3電動(dòng)挖掘機(jī)平地作業(yè)試驗(yàn)?zāi)芰肯牧坑涗洷怼ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?0

表A.4電動(dòng)挖掘機(jī)行走試驗(yàn)?zāi)芰肯牧坑涗洷怼ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?1

表A.5電動(dòng)挖掘機(jī)待機(jī)試驗(yàn)?zāi)芰肯牧坑涗洷怼ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?1

GB/T44255—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)容可能涉及專利。本文件的發(fā)布機(jī)構(gòu)不承擔(dān)識(shí)別專利的責(zé)任。

本文件由中國(guó)機(jī)械工業(yè)聯(lián)合會(huì)提出。

本文件由全國(guó)土方機(jī)械標(biāo)準(zhǔn)化技術(shù)委員會(huì)(SAC/TC334)歸口。

本文件起草單位:柳州柳工挖掘機(jī)有限公司、徐州徐工挖掘機(jī)械有限公司、山東臨工工程機(jī)械有限

公司、中聯(lián)重科土方機(jī)械有限公司、三一重機(jī)有限公司、國(guó)機(jī)重工集團(tuán)常林有限公司、福建晉工機(jī)械有

限公司、天津工程機(jī)械研究院有限公司、力士德工程機(jī)械股份有限公司、廈門廈工機(jī)械股份有限公司、

江蘇徐工國(guó)重實(shí)驗(yàn)室科技有限公司、中鐵八局集團(tuán)電務(wù)工程有限公司、太重集團(tuán)(上海)裝備技術(shù)有限

公司、江蘇天煤機(jī)電科技有限公司、天津工程機(jī)械研究院有限公司檢測(cè)技術(shù)服務(wù)分公司。

本文件主要起草人:劉曉強(qiáng)、劉躍吉、劉淑強(qiáng)、吳元峰、崔會(huì)喜、張亞軍、呂志忠、吳紅麗、高公如、

陳先武、劉建、晏貴章、尹滿義、馮俊偉、王姜驊、張少波、孫寬、張曉輝。

GB/T44255—2024

土方機(jī)械純電動(dòng)液壓挖掘機(jī)能量

消耗量試驗(yàn)方法

1范圍

本文件規(guī)定了純電動(dòng)液壓挖掘機(jī)能量消耗量的試驗(yàn)條件,描述了能量消耗量的試驗(yàn)方法,以及純

電動(dòng)液壓挖掘機(jī)的續(xù)航能力評(píng)估、作業(yè)效率評(píng)估和能量效率評(píng)價(jià)的方法。

本文件適用于在工作過程中采用機(jī)載動(dòng)力電池(最大工作電壓為B級(jí)電壓)作為唯一動(dòng)力源,工作

質(zhì)量不大于50000kg的純電動(dòng)液壓挖掘機(jī)的測(cè)試,大于50000kg的純電動(dòng)液壓挖掘機(jī)參照?qǐng)?zhí)行。

2規(guī)范性引用文件

下列文件中的內(nèi)容通過文中的規(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。

GB/T6572土方機(jī)械液壓挖掘機(jī)術(shù)語(yǔ)和商業(yè)規(guī)格

GB/T21153土方機(jī)械尺寸、性能和參數(shù)的單位與測(cè)量準(zhǔn)確度

GB/T36695土方機(jī)械液壓挖掘機(jī)燃油消耗量試驗(yàn)方法

GB/T44254電動(dòng)土方機(jī)械術(shù)語(yǔ)

3術(shù)語(yǔ)和定義

GB/T6572和GB/T44254界定的以及下列術(shù)語(yǔ)和定義適用于本文件。

3.1

續(xù)航能力allelectricworkingtime

純電動(dòng)液壓挖掘機(jī)在動(dòng)力電池完全充電狀態(tài)下,以規(guī)定的條件和方法進(jìn)行試驗(yàn),計(jì)算得到的最長(zhǎng)

工作時(shí)間。

注:?jiǎn)挝粸樾r(shí)(h)。

4試驗(yàn)條件

4.1試驗(yàn)環(huán)境

試驗(yàn)環(huán)境應(yīng)滿足下列條件:

——環(huán)境溫度:5℃~35℃;

——相對(duì)濕度:小

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