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动力电池振动试验GB 38031-2020标准的试验介绍及详细解析!

返回列表 来源:剑乔仪器 浏览: 190 发布日期:2020-11-23

GB 38031-2020是我国电动汽车用动力电池领域第一个强制性安全国家标准,本文从动力电池振动试验的检测目的、送样要求、振动试验特点及配套工装要求等做了深度对比分析和技术归纳,帮助相关的动力电池企业提高产品的合格率,辅助相关的电池实验室测试人员提高综合试验能力,有利于提升行业检测技术水平。

 

下面剑乔仪器厂家来给大家先介绍试验目的、送样要求、试验前预处理等,试验特点!其它技术对比解析见下期分享。

 

GB 18384-2020《DIANDONGQICHEANQUANYAOQIU》HEGB 38032-2020《DIANDONGKECHEANQUANYAOQIU》YIJIGB 38031-2020《DIANDONGQICHEYONGDONGLIXUDIANCHIANQUANYAOQIU》SHIWOGUODIANDONGQICHELINGYUSHOUPIQIANGZHIXINGGUOJIABIAOZHUN,JIANGYU2021NIAN1YUE1RIQIKAISHISHISHI。JINGGUOJIAGONGYEHEXINXIHUABUTONGYIZAIBIAOZHUNSHISHIRIQI2021NIAN1YUE1RIZHIQIAN,YUNXUQIYEGENJUZISHENQINGKUANGTIQIANZHIXINGYISHANGQIANGZHIXINGGUOJIABIAOZHUN,ZAISHENQINGCHANPINZHUNRUSHI,KEYIJUQIANGZHIXINGBIAOZHUNJINXINGJIANYANJIANCE,XIANGGUANJIANYANJIANCEBAOGAOZUOWEIZHUNRUDEYIJU。

 

XINBIAOZHUNGB38031-2020SHIYOU2GETUIJIANXINGBIAOZHUNGB/T31485-2015《DIANDONGQICHEYONGDONGLIXUDIANCHIANQUANYAOQIUJISHIYANFANGFA》HEGB/T31467-2015《DIANDONGQICHEYONGLILIZIDONGLIXUDIANCHIBAOHEXITONG DI3BUFEN:ANQUANXINGYAOQIUYUCESHIFANGFA》RONGHEERLAIDE,YUWOGUOQIANTOUZHIDINGDELIANHEGUODIANDONGQICHEANQUANJISHUFAGUIUN GTR 20QUANMIANJIEGUI,JINYIBUTIGAOHEYOUHUALEDUIDIANDONGQICHEZHENGCHEHEDONGLIDIANCHICHANPINDEANQUANXINGJISHUYAOQIU。

 

GB38031-2020ZHONGDUIDANTIDIANCHIMEIYOUZHENDONGSHIYANYAOQIU,ERDUIDIANCHIBAOHEDIANCHIXITONGQUEYOUXIANGYINGDEZHENDONGSHIYANDEYAOQIU,QIZHENDONGSHIYANTIAOJIANYUGB/T 31467.3-2015XIANGBIXIANDEGENGJIAXIZHIHEYANGE,ZHEIYECHENGXIANLEXINBIAOZHUNZHONGDIANQIANGHUALEDIANCHICHANPINZHENGTIJIEGOUKANGZHENNENGLIDUIANQUANXINGBAOZHANGDEZHONGYAOXING,YEYIWEIZHEDONGLIDIANCHIQIYEZAICHANPINJIEGOUSHEJIBUNENGHUSHIYIGANGDUNAIZHIGANGZHIBIDENGJIEGOUCANSHUWEIZHUDEJIXIEQIANGDUZHIBIAO,YIBAOZHENGZIJIDEDONGLIDIANCHICHANPINSHUNLIJINJUNXINNENGYUANQICHECHANPINDEDASHICHANG。

 

动力电池振动试验目的

GB38031-2020ZHONGDEZHENDONGSHIYANSHIWEIRAOANQUANZHIBIAOLAIKAOHEDONGLIDIANCHIDENENGLI,ZAIGAIBIAOZHUNDEDI5ZHANG,SUOYOUDEANQUANZHIBIAODOUYIYICHENGXIAN。QIZHONGZHENDONGSHIYANDEANQUANZHIBIAOBAOKUO:GOUJUEYUAN、WURUIBIAN、BURAN、BUBAO、BULOU、BULIEDENG,ZHEIXIEZHIBIAOYUDIANCHIDANTIDEYIZHIXINGMIQIEXIANGGUAN,KEYISHUOZHENDONGSHIYANYEJIANJIEDIKAOHELEDIANCHIDANTIXINGNENGYIZHIXING,XINBIAOZHUNTIXIANDEZUIJIBENDEANQUANYAOQIU,YESHIDONGLIDIANCHIDESHICHANGZHUNRUZUIQIMAYAOQIU。LIRU,DIANCHIBAOZAIZHENDONGSHIYANQIJIANHESHIYANHOU,ZUIQIMABUHUICHUXIANRESHIKONGDEQIHUOHUOBAOZHA,BUYUNXUYOUDIANYADERUIBIANDENG,BUNENGCHUXIANQIAOTIJIEGOUPOLIENAIZHIHUAXUEYETIXIELOU,JUEYUANJIEGOUYINGGAIWANHAOWUSUN。

 

YUPUTONGRANYOUQICHE DC12VXUDIANCHIBIJIAO,DIANDONGQICHEDONGLIDIANCHIDEJUEYUANDIANZUJISHUYAOQIUYOUHENDADECHABIE,DIANDONGQICHEDEDIANYAHEDIANLIUDENGJIDOUJIAOGAO,CHEZAIDIANCHIBAODIANYAYIBANZAIJIBAIFU,CHAOCHUTEDIDIANYADEXIANZHI,FANGCHUDIANDEYAOQIUJIUTUCHULE。

 

GENJUGUOJIABIAOZHUNGB3805《TEDIDIANYA(ELV)XIANZHI》KEZHIZAIYIDINGDIANYAZUOYONGXIA,DUIYOUCHUDIANBAOHUZHUANGZHIDEQINGKUANG,RENTIYUNXUTONGGUODEDIANLIUWEI30mA。YIBANZAIGANZAO、ZHENGCHANGQINGKUANGXIARENTIDEDIANZUYUEWEI2000ΩZUOYOU,KEYITUICEZHILIUDIANYADAYU60VHUIDUIRENTIYOUDIANJIDESHANGHAI,YOUYUDIANDONGQICHEDIANCHIXITONGSHIYIZHONGCHAOGUO100VDEGAOYA,BINGQIESHIYIZHONGGAONENGLIANGCUNCHUZHUANGZHI,YINCIZAIWURENHEFANGCHUDIANBAOHUQINGKUANGXIA,RENYUANCHUJIJIANGJIQIWEIXIAN。SUOYIGB38031BIAOZHUNDUIZHENDONGSHIYANDEANQUANYANZHENGMINGQUETICHULEJUEYUANDIANZUBUXIAOYU100Ω/VDEYAOQIU。YINCI,ZAIDIANDONGQICHEJIPEITAOZHUJIANDEKAIFAZHONG,YAOZHUYIGAOYADIANQIXITONGDEJUEYUANSHEJI,YANGEKONGZHIJUEYUANDIANZUZHI,BAOZHENGXIELOUDIANLIUZAIANQUANDEFANWEINEI。

 

ZHENDONGNENGLIANGDECHUANBOWANGWANGHUIDUIDONGLIDIANCHIDEJUEYUANJIEGOUCHANSHENGYIDINGDEPOHUAIZUOYONG,ZUOWEICHANPINJIEGOUSHEJISHIBIXUKAOLVJUEYUANJIEGOUNENGFOUNAISHOUDIANDONGQICHELUKUANGDEDUOZHONGZHENDONG,BAOZHANGANQUANZHIBIAOBUHUIJIANGDI,YINCI,DIANCHIDANTI、MOZU、DIANCHIBAOYIJIDIANQILIANJIEXUYAOSHEJIZUGOUDEDIANQIJIANXIHEPADIANJULI,BUJINYAOBAOZHENGDIANCHIXITONGJUEYUANCAILIAOJIEGOUZAIZHENDONGHUANJINGXIADEJIXIEWENDINGXING,JISHIQIZAIZHANGQISHIYONGCHUXIANYIDINGJIEGOUBIANHUAHOU,RENGNENGQUEBAOBUHUIJUEYUANSHIXIAO。

 

XINBIAOZHUNGB38031ZHONGDEZHENDONGSHIYANDEYAOQIUZHISHEJIANQUAN,BUSHEJIXINGNENGTEXINGHEGONGNENGTEXINGDENGYUKEKAOXINGXIANGGUANDEZHIBIAO,GUBUNENGJIANGXINBIAOZHUNZHONGDEZHENDONGSHIYANWANQUANQUDAIYUDONGLIDIANCHIKEKAOXINGKAOHESUOSHEJIDEQUANBUZHENDONGSHIYAN。 

 

送样要求和试验对象

DIANCHIBAODEZHENDONGSHIYANBUSHIDANCHUNJIANGYANGPINANZHUANGZAIZHENDONGTAITAIMIANSHANGDELUOJIZHENDONGSHIYAN,SHIYANGUOCHENGXUYAOZHUANGTAIJIANCE,LIBUKAIDIANCHIBAOPEITAOFUSHEJIANDELIANJIEHEDIAOSHIDENGLIUCHENG,ZHENGRUBIAOZHUNGB38031DEDI6.1TIAOSUOSHU,DIANCHICHANGSHANGZAIWEITUODISANFANGJIGOUJIANCESONGYANGSHIXUYAOTIGONGDIANCHIBAOHUODIANCHIXITONGJIAOFUXUYAOBAOKUOBIYAODECAOZUOWENJIANYIJIHECESHISHEBEIXIANGLIANSUOXUDEJIEKOUBUJIAN,RUDIANCHAQI、CHATOU、LENGQUEXITONGJIEKOU,YIJICHANPINJIEGOUSHIYITUDENG,MINGQUESHIYANSUOXUDEZHONGYAOCANSHURUANQUANGONGZUOXIANZHI、CHONGFANGDIANJIEZHITIAOJIANHEDIANYARUIBIANYUZHIDENG,QUEBAOYUCHULIHEZHENDONGSHIYANSHIYANGPINNENGZHENGCHANGYUNZUO。

 

BIAOZHUNGB38031DEDI8.2.1.1TIAOMINGQUEGUIDING,ZHENDONGSHIYANDEDUIXIANGSHIDIANCHIBAOHUODIANCHIXITONG,BUSHIDIANCHIDANTI。

 

振动试验前样品的预处理要求

ZAIZHENDONGSHIYANQIAN,DIANCHIBAOHUOXITONGYANGPINXUYAOXIANJINXINGYUCHULIXUNHUAN,YIQUEBAOZAIZHENDONGSHIYANSHIYANGPINDEXINGNENGCHUYUJIHUOHUOWENDINGDEZHUANGTAI,ZAICITICHU,YUCHULISHIBAI(RUDIANCHIRONGLIANGDABUDAOYAOQIU)DEYANGPINSHIBUNENGZUOZHENDONGSHIYANDE,ZUOWEIBUHEGEYANGPINFANHAIDIANCHIZHIZAOSHANG。

 

ANDIANHUAXUEYUANLI,DONGLIDIANCHIDEJIHUOSHIZHIJIANGDIANCHINEIBUDIANJIEWUZHIDEDIANHUAXUEHUOXING“HUANXING”,DIANCHIJIUERBUYONG,QINEIBUDIANJIEWUZHIHUOXINGWANGWANGHUIZANSHIXINGJIANGDIHUOZANSHIXINGTINGZHI,JIHUOHOUDIANCHIYOUHUICHUYUZHENGCHANGZHUANGTAI。ZAIDONGLIDIANCHIZHONG,LILIZIDIANCHIZHANLEDABUFEN,LILIZIDIANCHIZAIZHANGSHIJIANGEZHI,ZHANGQIDADIANLIUCHONGFANGDIAN,HUOZHANGSHIJIANFEIMANDIANZHUANGTAISHIYONGQINGKUANGXIA,DIANJIHUOXINGCAILIAOZAIYUCHULIDESHOUCIMANCHONGMANFANGZHONG,RONGYICHUXIANRONGLIANGJIAODIDEXIANXIANG。YINCIXUYAOJINXINGBIAOZHUNCHONGFANGDIANJINXINGJIHUO。QIEYOUYULILIZIDIANCHIZHENSHIHEDIANZHUANGTAISHOUDUOZHONGYINSUDEYINGXIANG,RUZAIJIAODIWENDUXIA,DIWENDAOZHIDIANCHIHUOXINGJIANGDI,DONGLIDIANCHIYINJIHEYANGJIDIANJIHUOXINGCAILIAOYIJIDIANJIEYEDENGLIZIKUOSANZUKANGZENGJIA,DIANCHIXIANGDUIZHENGCHANGWENDUXIAHEDIANZHUANGTAIHUIJIAODI(TONGYIKAILUDIANYAXIA)。RUSHIYONGJIAOGAOHUOJIAODIDECHONGFANGDIANDIANLIUDIAOJIEDIANCHIHEDIANZHUANGTAI,YEHUIYINZUKANGFENYAJIAODAHUOGUOXIAOERDAOZHIHEDIANZHUANGTAIBUZHUN。WEILEBAOZHENGDIANCHIYANGPINZAICESHIQIANZHUANGTAIDEJUNYIXING,XUYAODUIDONGLIDIANCHIJINXINGBIAOZHUNHUADEYUCHULI,SHIDIANCHIDEZHUANGTAIWENDING。

 

ZHENDONGSHIYANDEDIANCHIYANGPINYUCHULIANGB38031BIAOZHUNDI7.2.2TIAOJINXING,ZAISHIWENTIAOJIANXIA,QIZHONGDECHONGFANGDIANDIANLIUDOUYAOQIUXIAOYU1/3DECHONGFANGDIANBEILV,BUCHONGBUFANGDEJINGZHISHIJIANYIBANSHI30min,CHONGFANGDIANJIEZHITIAOJIANYOUDIANCHIZHIZAOSHANGGUIDING,HUOZHEJINGZHISHIJIANYEANCHANGSHANGGUIDING。YANGPINYUCHULIGUOCHENGZHONG,BIMIANRENHEGUOCHONGGUOFANGDECAOZUO,YIMIANYINGXIANGZHENDONGSHIYANHOUDECESHICANSHUDUIBI。

 

YUCHULITONGGUODEPANDING:

①YANGPINLIANXU2CIDEFANGDIANRONGLIANGBIANHUAJUNBUGAOYUEDINGRONGLIANGDE3%,YUCHULICHENGGONG。

②YANGPINLIANXU5CIDECHONGFANGDIANXUNHUANDOUZHENGCHANG,YUCHULICHENGGONG。

ZHENGGEYUCHULIDEBUZHOUJIANTU1YANGPINYUCHULILIUCHENGSHIYITU。

 

图1 样品预处理流程示意图

ZHENDONGSHIYANDUIDIANCHIDEHUAXUEWUZHIDEHUOXINGYOUPOHUAIZUOYONG,ZAIYANZHENGQIPOHUAIZUOYONG,JIUBIXUZAIZHENDONGQIANXIANJIHUODONGLIDIANCHIBINGQUERENZHENDONGQIANDIANCHIXINGNENGSHIWENDING,JIXIANZUOYANGPINDEYUCHULI,YIBIANZUOSHIYANQIANHOUDECESHISHUJUDUIBI,ZONGHEPINGGUDIANCHIDENAIZHENNENGLI。

 

试验夹具和样品固定方式的重要性

DIANCHIDEZHENDONGSHIYANSHEJIDAOZHENDONGNENGLIANGDECHUANBO,ZHEISHEJIDAONENGLIANGDECHUANBOFANGXIANGHUOLUJING,SHIYANYANGPINANZHUANGYINGFUHEGB/T2423.43DEYAOQIU,RUGUOYANGPINANZHUANGFANGSHIBUDANG,WANGWANGHUIGAIBIANZHENDONGNENGLIANGDEZHENSHICHUANBO,ZUIZHONGYINGXIANGDAOSHIYANJIEGUO。DIANCHIZHENDONGSHIYANDENENGLIANGCHUANBOFANGXIANGHELUJINGJIANTU2:ZHENDONGNENGLIANGCHUANBOSHIYITU。

 

图2 振动能量传播示意图

 从图2的传播示意图可以看出,试验夹具和电池包固定板(支撑脚)对能量传递链条中起着关键的作用。

 

DONGLIDIANCHIZHENDONGNENGLIANGCHUANBODEDIYIQIERUDIANSHIDIANCHIBAODEGUDINGBAN,ZAIZUOLUODINGGUDINGSHIYOUBIYAOMONIZHUANGCHEDESHIKUANG,GUDINGBANZAIDIANCHIBAOQIAOTIDEBUZHIZHUANGKUANGJIANTU3DIANCHIBAODEZHICHENGJIAO。

图3 电池包的支撑脚

DUIYUSHIYANJIAJU,BIXUQUEBAOQIYIJIEGUYOUPINLVBIXUYUANGAOYUSHIYANPINLVDESHANGXIAN,LIRUGB38031ZHENDONGDEPINLVSHANGXIANSHI200Hz,NEIMEJIAJUZAISHIYANQIANBIXUXIANZUOPINLVXIANGYINGJIANCHA,RUGUOQISANGEZHOUXIANGDEYIJIEGUYOUPINLVJUNYUANGAOYU200Hz,SHIYANJIAJUCAIYUNXUSHIYONG。

 

DIANCHIBAOGUDINGBAN(WAIQIAOZHICHENGJIAO)SHIDIANCHIYANGPINDEZHENDONGYINGLICHUANSHULUJINGDEZUIXIANDAORUDIAN,SHIYANYANGPINDEYUZHENDONGTAIMIANOUHEANZHUANGDEGUDINGWEIZHIHEGUDINGDIANSHUBIXUFUHEZHUANGCHEZHUANGKUANG,HUOSHIYANYANGPINDEYUJIAJUOUHEANZHUANGDEGUDINGWEIZHIHEGUDINGDIANSHUBIXUFUHEZHUANGCHEZHUANGKUANG。

 

GB38031ZHONGDEZHENDONGSHIYANYAOQIUDOUYINYONGLEFANGFABIAOZHUNGB/T2423.10(ZHENGXIAN)HEGB2423.56(SUIJI),YINCIWOMENZAIZUODONGLIDIANCHIDEZHENDONGSHIYANQIAN,XIANZUOPINXIANGJIANCHA,ZHENDONGSHIYANHOUZAIZUOPINXIANGJIANCHA,RUGUOQIANHOUDUIYINGPINXIANGSHUJUBIANHUAJIAODA,JIUYIWEIZHEDONGLIDIANCHIJIEGOUDEGUYOUPINLVFASHENGMINGXIANDEXIANGXIAPIAOYI,ZHEISHUOMINGDIANCHIJIEGOUDEGANGDUFASHENGLEJIAODAFUDUDEJIANGDI,JIEGOUGANGDUYEHUIYINGXIANGDONGLIDIANCHIDEANQUAN。HUOZHESHUODUIPINXIANGSHUJUYOUKEYIZHICHU,QIYEYINGJINZAOJINXINGMODIHEYANZHENGSHIYAN,ZAICHANPINSHEJIJIEDUANJISHIJINXINGDIAOZHENG。

 

试验监控仪器的准备

GB38031BIAOZHUNZHONGDEZHENDONGSHIYANGUOCHENG,DONGLIDIANCHISHIYOUYIDINGHEDIANZHUANGTAISOC,BUNENGPAICHUDIANYA(BAOKUODIANCHIDANTI)HUICHUXIANYICHANG,JIZHENDONGSHIYANQIJIANFASHENGDIANYARUIBIAN,YINCIYOUBIYAODUIDONGLIDIANCHIJINXINGDIANYASHISHIJIANKONG。LINGWAI,ZAISHIYANGUOCHENGZHONG,BUNENGPAICHUBAOKUODIANCHIDANTIZAINEIDECHUXIANRESHIKONG,TONGLI,YEYOUBIYAODUIDONGLIDIANCHIJINXINGWENDUSHISHIJIANKONG。ZHENDONGSHIYANQIANJIUYINGGAIZHUNBEIHAODIANYAHEWENDUDENGJIANKONGZHUANGZHI,RUFASHENGCHANGSHANGGUIDINGLIANGZHIDEDIANYARUIBIAN,JIUYINGTINGZHISHIYAN,YIWEIZHEZHENDONGSHIYANDESHIBAI。

 

GB38031DEDI6.2TIAODUIJIANKONGCELIANGYIQITICHULEZHUNQUEDUDEYAOQIU,ZHENDONGSHIYANQIANYINGGAIQUEREN,DIANYACELIANGZHUANGZHIDEZHUNQUEDUBUDIYUMANPIANKEDUDE±0.5%,WENDUCELIANGZHUANGZHIDEZHUNQUEDUBUDIYU±0.5℃。

 

DIANCHIDEZHENDONGSHIYANYOUZHENDONGNENGLIANGDECHUANBO,ZHENDONGSHIYANHAISHIPOHUAIXINGSHIYAN,BUPAICHUSHIYANGUOCHENGCHUXIANRESHIKONGERFASHENGHUOZAI,YINCI,ZHENDONGSHIYANGUOCHENGYOUBIYAOZAIZHENDONGSHIYANTAIFUJINPEIZHIMIEHUOQIJU。

 

ZHENDONGSHIYANQIAN,JIANKONGLIUCHENGBUJUYAOQIUYINGANTU4:ZHENDONGSHIYANGUOCHENGJIANKONGSHIYITU。

图4 振动试验过程监控示意图。

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