黄浦区比亚迪新能源汽车维修培训参考价
必须保证(zheng)各(ge)高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)设备的(de)(de)等(deng)(deng)电(dian)(dian)(dian)(dian)位线(xian)连接可靠,如若等(deng)(deng)电(dian)(dian)(dian)(dian)位线(xian)发(fa)生(sheng)(sheng)断(duan)路故障。则(ze)人(ren)员(yuan)有触电(dian)(dian)(dian)(dian)危险。三(san)(san)、高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)电(dian)(dian)(dian)(dian)绝(jue)缘措(cuo)施1.关(guan)(guan)闭(bi)点火开关(guan)(guan)后,VCU执行下(xia)(xia)电(dian)(dian)(dian)(dian)程序,动(dong)力(li)电(dian)(dian)(dian)(dian)池的(de)(de)高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)正(zheng)和(he)高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)负继电(dian)(dian)(dian)(dian)器(qi)(qi)(qi)自动(dong)断(duan)开,高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)下(xia)(xia)电(dian)(dian)(dian)(dian)。2.高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)正(zheng)、高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)负电(dian)(dian)(dian)(dian)缆为(wei)(wei)单线(xian)制(zhi)或双线(xian)制(zhi),外皮为(wei)(wei)橘黄色。3.高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)电(dian)(dian)(dian)(dian)部件(jian)外壳装(zhuang)有等(deng)(deng)电(dian)(dian)(dian)(dian)位线(xian),亦(yi)称均衡线(xian),作用(yong)是(shi)避免出(chu)现接触电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)。4.高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)插(cha)头(tou)(tou)(tou)(tou)和(he)连接器(qi)(qi)(qi)都有防(fang)接触措(cuo)施。5.动(dong)力(li)电(dian)(dian)(dian)(dian)池中间装(zhuang)有维(wei)修开关(guan)(guan),维(wei)修开关(guan)(guan)中装(zhuang)有快(kuai)速熔(rong)断(duan)器(qi)(qi)(qi)。6.采(cai)用(yong)电(dian)(dian)(dian)(dian)绝(jue)缘式DC-DC转换器(qi)(qi)(qi),保证(zheng)高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)电(dian)(dian)(dian)(dian)不会(hui)与12V电(dian)(dian)(dian)(dian)直接连接。7.高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)部件(jian)内的(de)(de)电(dian)(dian)(dian)(dian)容器(qi)(qi)(qi),当高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)下(xia)(xia)电(dian)(dian)(dian)(dian)后会(hui)自动(dong)放电(dian)(dian)(dian)(dian)。8.高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)元(yuan)件(jian)插(cha)头(tou)(tou)(tou)(tou)有高(gao)(gao)(gao)(gao)(gao)低压(ya)(ya)(ya)互锁线(xian),如插(cha)头(tou)(tou)(tou)(tou)未连接,高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)不会(hui)上(shang)电(dian)(dian)(dian)(dian);如运行中插(cha)头(tou)(tou)(tou)(tou)脱开,高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)立(li)即(ji)(ji)(ji)下(xia)(xia)电(dian)(dian)(dian)(dian)。9.对高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)元(yuan)件(jian)采(cai)用(yong)绝(jue)缘监控(kong),实时监测高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)正(zheng)、高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)负与车(che)(che)身搭铁之间的(de)(de)电(dian)(dian)(dian)(dian)阻值,如异常(chang)高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)立(li)即(ji)(ji)(ji)下(xia)(xia)电(dian)(dian)(dian)(dian)。10.当高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)电(dian)(dian)(dian)(dian)系统(tong)出(chu)现故障或车(che)(che)辆发(fa)生(sheng)(sheng)碰撞事故时,高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)立(li)即(ji)(ji)(ji)下(xia)(xia)电(dian)(dian)(dian)(dian)。四、高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)电(dian)(dian)(dian)(dian)系统(tong)1.主要组(zu)成(cheng)(cheng)(cheng)纯电(dian)(dian)(dian)(dian)动(dong)汽(qi)车(che)(che)设有“大三(san)(san)电(dian)(dian)(dian)(dian)”,即(ji)(ji)(ji)动(dong)力(li)电(dian)(dian)(dian)(dian)池、电(dian)(dian)(dian)(dian)动(dong)机(ji)(ji)(ji)、电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)控(kong)制(zhi)器(qi)(qi)(qi);设有“小(xiao)三(san)(san)电(dian)(dian)(dian)(dian)”,即(ji)(ji)(ji)高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)盒(he)、充电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)、DC-DC。也有观(guan)点认为(wei)(wei)电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)控(kong)制(zhi)器(qi)(qi)(qi)、高(gao)(gao)(gao)(gao)(gao)压(ya)(ya)(ya)盒(he)、充电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)、DC-DC集成(cheng)(cheng)(cheng)在一起称作电(dian)(dian)(dian)(dian)力(li)电(dian)(dian)(dian)(dian)子集成(cheng)(cheng)(cheng)模块PEU,“小(xiao)三(san)(san)电(dian)(dian)(dian)(dian)”应是(shi)电(dian)(dian)(dian)(dian)动(dong)压(ya)(ya)(ya)缩机(ji)(ji)(ji)、加热(re)器(qi)(qi)(qi)PTC、电(dian)(dian)(dian)(dian)动(dong)转向助力(li)。闵行区新能(neng)源汽(qi)车(che)(che)维(wei)修培训靠谱吗?黄浦区比(bi)亚迪新能(neng)源汽(qi)车(che)(che)维(wei)修培训参考价
不(bu)(bu)(bu)同(tong)(tong)(tong)车(che)(che)(che)型的(de)直流高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)电(dian)(dian)(dian)(dian)(dian)(dian)在300~700V之(zhi)间(jian),电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)越(yue)高(gao)(gao)(gao)(gao)越(yue)能减(jian)小传输电(dian)(dian)(dian)(dian)(dian)(dian)线的(de)横(heng)截面积(ji),从而(er)(er)减(jian)小重量(liang)和(he)(he)体积(ji),但(dan)给安全性带来不(bu)(bu)(bu)利,必须提高(gao)(gao)(gao)(gao)电(dian)(dian)(dian)(dian)(dian)(dian)线和(he)(he)设(she)(she)(she)(she)备(bei)的(de)绝(jue)缘(yuan)能力。直流高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)电(dian)(dian)(dian)(dian)(dian)(dian)4.三(san)相交流高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)控(kong)制器与(yu)驱动(dong)电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)之(zhi)间(jian)是三(san)相交流电(dian)(dian)(dian)(dian)(dian)(dian),U相为红色(se),V相为绿色(se),W相为黄色(se)。电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)控(kong)制器将高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)直流电(dian)(dian)(dian)(dian)(dian)(dian)逆变(bian)成(cheng)三(san)相交流电(dian)(dian)(dian)(dian)(dian)(dian),供给三(san)相交流同(tong)(tong)(tong)步电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)。电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)控(kong)制器通过改变(bian)交流电(dian)(dian)(dian)(dian)(dian)(dian)的(de)频率控(kong)制电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)转(zhuan)速,通过改变(bian)相序变(bian)换电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)转(zhuan)动(dong)方向,从而(er)(er)控(kong)制车(che)(che)(che)速和(he)(he)行驶方向。电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)控(kong)制器内设(she)(she)(she)(she)有(you)电(dian)(dian)(dian)(dian)(dian)(dian)流传感器测(ce)量(liang)三(san)相电(dian)(dian)(dian)(dian)(dian)(dian)流,不(bu)(bu)(bu)测(ce)量(liang)三(san)相电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)。二、高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)电(dian)(dian)(dian)(dian)(dian)(dian)IT网(wang)络纯(chun)电(dian)(dian)(dian)(dian)(dian)(dian)动(dong)汽(qi)车(che)(che)(che)高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)电(dian)(dian)(dian)(dian)(dian)(dian)均(jun)采(cai)用IT网(wang)络,第(di)1位“I”表示(shi)高(gao)(gao)(gao)(gao)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)与(yu)车(che)(che)(che)身绝(jue)缘(yuan),第(di)2位“T”表示(shi)高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)设(she)(she)(she)(she)备(bei)外(wai)(wai)壳(qiao)连接(jie)车(che)(che)(che)身。优点(dian):高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)电(dian)(dian)(dian)(dian)(dian)(dian)正极(ji)如与(yu)设(she)(she)(she)(she)备(bei)外(wai)(wai)壳(qiao)发(fa)生(sheng)短(duan)路(lu)(lu)故(gu)障,人体触(chu)摸(mo)设(she)(she)(she)(she)备(bei)外(wai)(wai)壳(qiao),因无电(dian)(dian)(dian)(dian)(dian)(dian)流回路(lu)(lu)不(bu)(bu)(bu)会触(chu)电(dian)(dian)(dian)(dian)(dian)(dian)。高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)电(dian)(dian)(dian)(dian)(dian)(dian)的(de)IT网(wang)络如高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)正极(ji)与(yu)设(she)(she)(she)(she)备(bei)A外(wai)(wai)壳(qiao)短(duan)路(lu)(lu),高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)负极(ji)与(yu)设(she)(she)(she)(she)备(bei)B外(wai)(wai)壳(qiao)短(duan)路(lu)(lu),当(dang)人体同(tong)(tong)(tong)时触(chu)摸(mo)设(she)(she)(she)(she)备(bei)A和(he)(he)设(she)(she)(she)(she)备(bei)B时,则人体构(gou)成(cheng)电(dian)(dian)(dian)(dian)(dian)(dian)流回路(lu)(lu)遭(zao)到触(chu)电(dian)(dian)(dian)(dian)(dian)(dian)。纯(chun)电(dian)(dian)(dian)(dian)(dian)(dian)动(dong)车(che)(che)(che)的(de)各个高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)设(she)(she)(she)(she)备(bei)外(wai)(wai)壳(qiao)均(jun)用电(dian)(dian)(dian)(dian)(dian)(dian)缆连接(jie),称作等电(dian)(dian)(dian)(dian)(dian)(dian)位线,当(dang)高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)正极(ji)与(yu)高(gao)(gao)(gao)(gao)压(ya)(ya)(ya)(ya)(ya)负极(ji)同(tong)(tong)(tong)时出现(xian)短(duan)路(lu)(lu)故(gu)障时,熔断器立(li)刻熔断。普陀区(qu)理(li)想(xiang)新能源汽(qi)车(che)(che)(che)维(wei)修培训网(wang)上(shang)价格(ge)闵行区(qu)新能源汽(qi)车(che)(che)(che)整车(che)(che)(che)维(wei)修培训。
不(bu)论是(shi)(shi)对(dui)电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)汽(qi)(qi)(qi)(qi)车(che)的(de)(de)安(an)全(quan)还是(shi)(shi)对(dui)其(qi)蓄(xu)电(dian)(dian)(dian)池(chi)(chi)的(de)(de)寿(shou)命长(zhang)短都至(zhi)关(guan)重要。11车(che)身车(che)身分为车(che)头和(he)车(che)厢两个部分。车(che)头部分通(tong)常可乘坐驾驶(shi)员和(he)副驾驶(shi)员两人。车(che)厢是(shi)(shi)根据(ju)(ju)客户需求改装(zhuang)而来(lai),包括车(che)厢配置(zhi)、用(yong)料、空(kong)间(jian)设(she)计等(deng)。为了(le)使乘客获得(de)(de)的(de)(de)舒适(shi)感(gan),电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)汽(qi)(qi)(qi)(qi)车(che)通(tong)常采用(yong)单(dan)(dan)人座并(bing)排的(de)(de)方式,至(zhi)于座椅的(de)(de)数(shu)量(liang)(liang)(liang)(liang)则根据(ju)(ju)具体车(che)型(xing)而有所不(bu)同。12工业(ye)装(zhuang)置(zhi)工业(ye)装(zhuang)置(zhi)是(shi)(shi)工业(ye)用(yong)纯(chun)(chun)(chun)电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)汽(qi)(qi)(qi)(qi)车(che)用(yong)来(lai)完成作(zuo)业(ye)要求而专门布(bu)置(zhi)的(de)(de),如电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)叉车(che)的(de)(de)起升(sheng)装(zhuang)置(zhi)、门架、货叉等(deng)。货叉的(de)(de)起升(sheng)和(he)门架的(de)(de)倾斜一(yi)般由(you)电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji)驱动(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)液(ye)压系统完成。纯(chun)(chun)(chun)电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)汽(qi)(qi)(qi)(qi)车(che)的(de)(de)类型(xing)01单(dan)(dan)一(yi)蓄(xu)电(dian)(dian)(dian)池(chi)(chi)作(zuo)为动(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)源(yuan)用(yong)单(dan)(dan)一(yi)蓄(xu)电(dian)(dian)(dian)池(chi)(chi)作(zuo)为动(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)源(yuan)的(de)(de)纯(chun)(chun)(chun)电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)汽(qi)(qi)(qi)(qi)车(che),只安(an)装(zhuang)了(le)蓄(xu)电(dian)(dian)(dian)池(chi)(chi)组。02装(zhuang)有辅助动(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)源(yuan)用(yong)单(dan)(dan)一(yi)蓄(xu)电(dian)(dian)(dian)池(chi)(chi)作(zuo)为动(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)源(yuan)的(de)(de)纯(chun)(chun)(chun)电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)汽(qi)(qi)(qi)(qi)车(che),蓄(xu)电(dian)(dian)(dian)池(chi)(chi)的(de)(de)比能(neng)量(liang)(liang)(liang)(liang)与比功(gong)率较低(di),蓄(xu)电(dian)(dian)(dian)池(chi)(chi)组的(de)(de)重量(liang)(liang)(liang)(liang)和(he)体积较大(da)。所以,在某些纯(chun)(chun)(chun)电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)汽(qi)(qi)(qi)(qi)车(che)上增(zeng)加辅助动(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)源(yuan),如超级电(dian)(dian)(dian)容器(qi)、发电(dian)(dian)(dian)机(ji)(ji)组、太阳能(neng)等(deng),由(you)此(ci)改善纯(chun)(chun)(chun)电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)汽(qi)(qi)(qi)(qi)车(che)的(de)(de)启动(dong)(dong)(dong)(dong)(dong)(dong)(dong)性能(neng)并(bing)且增(zeng)加续驶(shi)里(li)程。纯(chun)(chun)(chun)电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)汽(qi)(qi)(qi)(qi)车(che)的(de)(de)工作(zuo)原理纯(chun)(chun)(chun)电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)汽(qi)(qi)(qi)(qi)车(che)是(shi)(shi)由(you)蓄(xu)电(dian)(dian)(dian)池(chi)(chi)的(de)(de)能(neng)量(liang)(liang)(liang)(liang)使得(de)(de)电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji)驱动(dong)(dong)(dong)(dong)(dong)(dong)(dong)车(che)轮前进(jin)。能(neng)量(liang)(liang)(liang)(liang)流动(dong)(dong)(dong)(dong)(dong)(dong)(dong)路(lu)线:蓄(xu)电(dian)(dian)(dian)池(chi)(chi)→电(dian)(dian)(dian)力(li)调节(jie)器(qi)→电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji)→动(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)传(chuan)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)系统→驱动(dong)(dong)(dong)(dong)(dong)(dong)(dong)轮。其(qi)中,蓄(xu)电(dian)(dian)(dian)池(chi)(chi)提供电(dian)(dian)(dian)流,经(jing)过电(dian)(dian)(dian)力(li)调节(jie)器(qi)后输出至(zhi)电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji),然后由(you)电(dian)(dian)(dian)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)机(ji)(ji)提供扭矩(ju)。
汽(qi)(qi)(qi)车(che)(che)(che)(che)产业(ye)的(de)(de)节能(neng)减排(pai)与产业(ye)升级势在必行,而开发新能(neng)源(yuan)(yuan)汽(qi)(qi)(qi)车(che)(che)(che)(che)是当今世界汽(qi)(qi)(qi)车(che)(che)(che)(che)发展的(de)(de)一个重要(yao)方(fang)向。新能(neng)源(yuan)(yuan)汽(qi)(qi)(qi)车(che)(che)(che)(che)是指采用(yong)(yong)非常(chang)规的(de)(de)车(che)(che)(che)(che)用(yong)(yong)燃料(liao)作为(wei)动(dong)(dong)(dong)力(li)(li)来源(yuan)(yuan)(或使用(yong)(yong)常(chang)规的(de)(de)车(che)(che)(che)(che)用(yong)(yong)燃料(liao)、采用(yong)(yong)新型车(che)(che)(che)(che)载动(dong)(dong)(dong)力(li)(li)装置),综合(he)(he)车(che)(che)(che)(che)辆(liang)的(de)(de)动(dong)(dong)(dong)力(li)(li)控(kong)制和驱(qu)动(dong)(dong)(dong)方(fang)面的(de)(de)先(xian)进技(ji)术,形(xing)成的(de)(de)技(ji)术原理(li)先(xian)进、具有新技(ji)术、新结构的(de)(de)汽(qi)(qi)(qi)车(che)(che)(che)(che)。目(mu)前,新能(neng)源(yuan)(yuan)汽(qi)(qi)(qi)车(che)(che)(che)(che)主(zhu)要(yao)是指电(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)汽(qi)(qi)(qi)车(che)(che)(che)(che),另外还包括氢发动(dong)(dong)(dong)机(ji)(ji)汽(qi)(qi)(qi)车(che)(che)(che)(che),以及其他新能(neng)源(yuan)(yuan)类的(de)(de)汽(qi)(qi)(qi)车(che)(che)(che)(che)(像高效储能(neng)器、二(er)甲醚汽(qi)(qi)(qi)车(che)(che)(che)(che)等(deng))。电(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)汽(qi)(qi)(qi)车(che)(che)(che)(che)是使用(yong)(yong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)作为(wei)主(zhu)要(yao)驱(qu)动(dong)(dong)(dong)力(li)(li)的(de)(de)汽(qi)(qi)(qi)车(che)(che)(che)(che),如图2-2所示(shi),根据电(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)来源(yuan)(yuan)的(de)(de)不(bu)同(tong),电(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)汽(qi)(qi)(qi)车(che)(che)(che)(che)主(zhu)要(yao)分为(wei)纯电(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)汽(qi)(qi)(qi)车(che)(che)(che)(che)(EV)、混(hun)(hun)(hun)合(he)(he)动(dong)(dong)(dong)力(li)(li)汽(qi)(qi)(qi)车(che)(che)(che)(che)(HEV)、燃料(liao)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)汽(qi)(qi)(qi)车(che)(che)(che)(che)(FCEV),其中混(hun)(hun)(hun)合(he)(he)动(dong)(dong)(dong)力(li)(li)汽(qi)(qi)(qi)车(che)(che)(che)(che)包括普通混(hun)(hun)(hun)合(he)(he)动(dong)(dong)(dong)力(li)(li)汽(qi)(qi)(qi)车(che)(che)(che)(che)和插电(dian)(dian)(dian)(dian)(dian)(dian)(dian)式混(hun)(hun)(hun)合(he)(he)动(dong)(dong)(dong)力(li)(li)汽(qi)(qi)(qi)车(che)(che)(che)(che)。纯电(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)汽(qi)(qi)(qi)车(che)(che)(che)(che)是指完全由可(ke)充(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)动(dong)(dong)(dong)力(li)(li)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)提供(gong)动(dong)(dong)(dong)力(li)(li),以电(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)为(wei)驱(qu)动(dong)(dong)(dong)系统(tong)(tong)的(de)(de)汽(qi)(qi)(qi)车(che)(che)(che)(che)。可(ke)充(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)主(zhu)要(yao)包括,铅(qian)酸电(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)、镍铬(ge)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)、镍氢电(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi),或者(zhe)锂离子(zi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi),这些(xie)动(dong)(dong)(dong)力(li)(li)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)完全由外接电(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)充(chong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)获得能(neng)量。如图2-3所示(shi),目(mu)前大部分电(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)汽(qi)(qi)(qi)车(che)(che)(che)(che)是在传(chuan)(chuan)(chuan)统(tong)(tong)汽(qi)(qi)(qi)车(che)(che)(che)(che)的(de)(de)基础上进行延伸(shen),结构上与传(chuan)(chuan)(chuan)统(tong)(tong)汽(qi)(qi)(qi)车(che)(che)(che)(che)的(de)(de)区别(bie)在于动(dong)(dong)(dong)力(li)(li)系统(tong)(tong),取(qu)消了发动(dong)(dong)(dong)机(ji)(ji),增(zeng)加了动(dong)(dong)(dong)力(li)(li)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)、驱(qu)动(dong)(dong)(dong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)、电(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)系统(tong)(tong)等(deng)组(zu)件(jian)。混(hun)(hun)(hun)合(he)(he)动(dong)(dong)(dong)力(li)(li)汽(qi)(qi)(qi)车(che)(che)(che)(che)一般是指油电(dian)(dian)(dian)(dian)(dian)(dian)(dian)混(hun)(hun)(hun)合(he)(he)动(dong)(dong)(dong)力(li)(li)汽(qi)(qi)(qi)车(che)(che)(che)(che)。就是采用(yong)(yong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)机(ji)(ji)和传(chuan)(chuan)(chuan)统(tong)(tong)发动(dong)(dong)(dong)机(ji)(ji)联合(he)(he)驱(qu)动(dong)(dong)(dong)的(de)(de)汽(qi)(qi)(qi)车(che)(che)(che)(che)。上海新能(neng)源(yuan)(yuan)汽(qi)(qi)(qi)车(che)(che)(che)(che)维修培训。
电(dian)(dian)(dian)(dian)(dian)(dian)池驱(qu)动(dong)系统(tong)的(de)(de)(de)设(she)计方面,DC-DC变(bian)(bian)换(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)的(de)(de)(de)选(xuan)择至关(guan)(guan)重要(yao)。合(he)(he)适(shi)的(de)(de)(de)DC-DC变(bian)(bian)换(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)才能(neng)满足电(dian)(dian)(dian)(dian)(dian)(dian)池分(fen)(fen)布式并(bing)网发(fa)(fa)电(dian)(dian)(dian)(dian)(dian)(dian)系统(tong)的(de)(de)(de)需求(qiu)。隔离电(dian)(dian)(dian)(dian)(dian)(dian)压型(xing)(xing)DC-DC变(bian)(bian)换(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)隔离电(dian)(dian)(dian)(dian)(dian)(dian)压型(xing)(xing)的(de)(de)(de)DC-DC变(bian)(bian)换(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)是目前比(bi)(bi)较(jiao)(jiao)常(chang)(chang)见的(de)(de)(de)变(bian)(bian)换(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)类型(xing)(xing)之一(yi),这(zhei)(zhei)一(yi)大(da)类型(xing)(xing)中(zhong)又可以分(fen)(fen)为半(ban)桥、全(quan)桥两种(zhong)小分(fen)(fen)类,下面我们来分(fen)(fen)别(bie)进行(xing)介绍。首先来看(kan)电(dian)(dian)(dian)(dian)(dian)(dian)压型(xing)(xing)半(ban)桥DC-DC变(bian)(bian)换(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)。半(ban)桥变(bian)(bian)换(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)具(ju)有(you)电(dian)(dian)(dian)(dian)(dian)(dian)路简单,而且与推挽和(he)全(quan)桥相(xiang)(xiang)比(bi)(bi),可利(li)(li)用(yong)输入电(dian)(dian)(dian)(dian)(dian)(dian)容(rong)的(de)(de)(de)充、放电(dian)(dian)(dian)(dian)(dian)(dian)特性自动(dong)调整两个(ge)输入电(dian)(dian)(dian)(dian)(dian)(dian)容(rong)上(shang)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)压,使变(bian)(bian)压器(qi)(qi)(qi)(qi)在工作(zuo)周(zhou)期的(de)(de)(de)正、负半(ban)周(zhou)伏-秒平衡,因此在中(zhong)大(da)功(gong)率(lv)范围内受到青睐(lai)。电(dian)(dian)(dian)(dian)(dian)(dian)压型(xing)(xing)全(quan)桥DC-DC变(bian)(bian)换(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)在实际的(de)(de)(de)应用(yong)过程中(zhong),这(zhei)(zhei)种(zhong)变(bian)(bian)换(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)具(ju)有(you)开(kai)(kai)关(guan)(guan)管(guan)器(qi)(qi)(qi)(qi)件电(dian)(dian)(dian)(dian)(dian)(dian)压应力(li)、电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)应力(li)较(jiao)(jiao)小,高(gao)(gao)(gao)频功(gong)率(lv)变(bian)(bian)压器(qi)(qi)(qi)(qi)的(de)(de)(de)利(li)(li)用(yong)率(lv)高(gao)(gao)(gao)等优点。而且全(quan)桥DC-DC变(bian)(bian)换(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)适(shi)合(he)(he)做(zuo)软开(kai)(kai)关(guan)(guan)管(guan)控(kong)制,减小变(bian)(bian)换(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)中(zhong)的(de)(de)(de)开(kai)(kai)关(guan)(guan)管(guan)损耗提(ti)高(gao)(gao)(gao)转化效(xiao)率(lv)。三相(xiang)(xiang)全(quan)桥DC-DC变(bian)(bian)换(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)结(jie)构,三相(xiang)(xiang)的(de)(de)(de)结(jie)构将电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)、损耗均分(fen)(fen)到每相(xiang)(xiang)中(zhong),适(shi)合(he)(he)大(da)功(gong)率(lv)DC-DC变(bian)(bian)换(huan)(huan)(huan)(huan)。同时三相(xiang)(xiang)全(quan)桥中(zhong)的(de)(de)(de)开(kai)(kai)关(guan)(guan)管(guan)也(ye)可以获得软开(kai)(kai)关(guan)(guan)管(guan)工作(zuo)条(tiao)件。可以说,电(dian)(dian)(dian)(dian)(dian)(dian)压型(xing)(xing)的(de)(de)(de)DC-DC变(bian)(bian)换(huan)(huan)(huan)(huan)器(qi)(qi)(qi)(qi)是非(fei)常(chang)(chang)适(shi)合(he)(he)电(dian)(dian)(dian)(dian)(dian)(dian)动(dong)汽车电(dian)(dian)(dian)(dian)(dian)(dian)池的(de)(de)(de)分(fen)(fen)布式并(bing)网发(fa)(fa)电(dian)(dian)(dian)(dian)(dian)(dian)系统(tong)进行(xing)选(xuan)用(yong)的(de)(de)(de)。闵行(xing)区(qu)新能(neng)源汽车维修(xiu)培训哪家好(hao)?崇明区(qu)吉(ji)利(li)(li)新能(neng)源汽车维修(xiu)培训有(you)哪些
新能源汽(qi)车(che)维修培训学费多少?黄浦(pu)区(qu)比亚迪(di)新能源汽(qi)车(che)维修培训参考价
2008年(nian)(nian)1-12月(yue)新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)汽(qi)车(che)(che)(che)(che)的(de)(de)(de)销(xiao)(xiao)(xiao)(xiao)量增(zeng)(zeng)(zeng)(zeng)长(zhang)主要(yao)是乘用车(che)(che)(che)(che)的(de)(de)(de)增(zeng)(zeng)(zeng)(zeng)长(zhang),1-12月(yue)新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)乘用车(che)(che)(che)(che)销(xiao)(xiao)(xiao)(xiao)售899台,同(tong)比(bi)增(zeng)(zeng)(zeng)(zeng)长(zhang)117%,而商(shang)用车(che)(che)(che)(che)的(de)(de)(de)新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)车(che)(che)(che)(che)共(gong)销(xiao)(xiao)(xiao)(xiao)售1536台,1-12月(yue)同(tong)比(bi)下(xia)滑17%。2009年(nian)(nian),在(zai)(zai)(zai)密(mi)集的(de)(de)(de)扶(fu)(fu)持(chi)政策出(chu)台背景下(xia),我国(guo)新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)汽(qi)车(che)(che)(che)(che)驶入快速发展新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)汽(qi)车(che)(che)(che)(che)轨道(dao)。虽(sui)然新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)汽(qi)车(che)(che)(che)(che)在(zai)(zai)(zai)中(zhong)国(guo)汽(qi)车(che)(che)(che)(che)市(shi)(shi)场(chang)的(de)(de)(de)比(bi)重依然微乎(hu)其微,但它在(zai)(zai)(zai)中(zhong)国(guo)商(shang)用车(che)(che)(che)(che)市(shi)(shi)场(chang)上的(de)(de)(de)增(zeng)(zeng)(zeng)(zeng)长(zhang)潜力已开始(shi)释(shi)放。2009年(nian)(nian)1-11月(yue),新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)乘用车(che)(che)(che)(che)销(xiao)(xiao)(xiao)(xiao)量同(tong)比(bi)下(xia)降,至310辆。新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)商(shang)用车(che)(che)(che)(che)——主要(yao)是液化石(shi)油气(qi)客车(che)(che)(che)(che)、液化天然气(qi)客车(che)(che)(che)(che)、混合动(dong)力客车(che)(che)(che)(che)等——销(xiao)(xiao)(xiao)(xiao)量同(tong)比(bi)增(zeng)(zeng)(zeng)(zeng)长(zhang),至4034辆。相比(bi)在(zai)(zai)(zai)乘用车(che)(che)(che)(che)市(shi)(shi)场(chang)的(de)(de)(de)冷遇,“新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)汽(qi)车(che)(che)(che)(che)”在(zai)(zai)(zai)中(zhong)国(guo)商(shang)用车(che)(che)(che)(che)市(shi)(shi)场(chang)已开始(shi)迅猛增(zeng)(zeng)(zeng)(zeng)长(zhang)。2010年(nian)(nian),我国(guo)正加(jia)(jia)大对新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)汽(qi)车(che)(che)(che)(che)的(de)(de)(de)扶(fu)(fu)持(chi)力度,2010年(nian)(nian)6月(yue)1日(ri)(ri)起,国(guo)家在(zai)(zai)(zai)5个(ge)城市(shi)(shi)启(qi)动(dong)私人购买新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)汽(qi)车(che)(che)(che)(che)补贴试点(dian)(dian)工作。2010年(nian)(nian)7月(yue),国(guo)家将十(shi)城千辆节(jie)能(neng)(neng)(neng)(neng)与新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)汽(qi)车(che)(che)(che)(che)示推广试点(dian)(dian)城市(shi)(shi)由20个(ge)增(zeng)(zeng)(zeng)(zeng)至25个(ge)。新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)汽(qi)车(che)(che)(che)(che)正进(jin)入政策扶(fu)(fu)持(chi)阶(jie)(jie)段。2011-2015年(nian)(nian)开始(shi)进(jin)入产(chan)业(ye)化阶(jie)(jie)段,在(zai)(zai)(zai)全社会(hui)(hui)推广新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)城市(shi)(shi)客车(che)(che)(che)(che)、混合动(dong)力轿车(che)(che)(che)(che)、小型电动(dong)车(che)(che)(che)(che)。2012年(nian)(nian)5月(yue),为加(jia)(jia)快培(pei)育发展新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)汽(qi)车(che)(che)(che)(che),新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)汽(qi)车(che)(che)(che)(che)项目每年(nian)(nian)将获10-20亿元资金支持(chi)。2012年(nian)(nian)4月(yue)18日(ri)(ri)召开常务(wu)会(hui)(hui)议。会(hui)(hui)议决定(ding)争取到2015年(nian)(nian)。黄浦区比(bi)亚迪(di)新(xin)(xin)能(neng)(neng)(neng)(neng)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)汽(qi)车(che)(che)(che)(che)维修(xiu)培(pei)训参(can)考(kao)价
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嘉兴博派运动控制器
在总线(xian)(xian)型替(ti)代的浪潮下,各大自动(dong)化厂(chang)商纷纷推出自己的总线(xian)(xian)型运控产品,而(er)在种类繁多的总线(xian)(xian)型通讯(xun)中,EtherCAT表现得尤为亮眼。根据MIR 睿工业统(tong)计, 截至2021年中国(guo)总线(xian)(xian)型运动(dong)控制器市(shi)场规模(mo)超过6 。
白蚁防(fang)治(zhi)(zhi)是(shi)一项综合(he)性的工作,需(xu)要(yao)酒(jiu)(jiu)店(dian)员(yuan)(yuan)工的积极配合(he)。以(yi)下是(shi)为什么酒(jiu)(jiu)店(dian)员(yuan)(yuan)工配合(he)是(shi)必要(yao)的几个原因:首先,酒(jiu)(jiu)店(dian)员(yuan)(yuan)工是(shi)日常运营(ying)中的主(zhu)要(yao)工作人员(yuan)(yuan),他们对酒(jiu)(jiu)店(dian)内部情(qing)况了解(jie)较为详细。白蚁防(fang)治(zhi)(zhi)需(xu)要(yao)对酒(jiu)(jiu)店(dian)内部进行多方面 。
EtherCAT总(zong)(zong)线绝(jue)对(dui)(dui)值编码(ma)器是一种高(gao)精度的编码(ma)器,它(ta)可(ke)以实现(xian)对(dui)(dui)机器人(ren)、工(gong)业自动化(hua)设(she)备等(deng)的精确控(kong)制和定位。它(ta)采用了EtherCAT总(zong)(zong)线通信协议,可(ke)以实现(xian)高(gao)速、高(gao)效的数据传输和控(kong)制。EtherCAT总(zong)(zong) 。
室内(nei)篮球馆的建设成(cheng)本大约(yue)在4000-150万元左(zuo)右。1、室内(nei)篮球馆的建设成(cheng)本主要(yao)包括以下几(ji)部(bu)分:运营成(cheng)本。包括订场、收款系统等,算便宜的也(ye)要(yao)1万。施工成(cheng)本。以一(yi)片1200平的场地来算,木地板按单价28 。
液下(xia)泵(beng)(beng)(beng)的(de)应用领域:液下(xia)泵(beng)(beng)(beng)广(guang)泛应用于化工、制药、造纸、石油等工业部门。1、污(wu)水(shui)处理(li):液下(xia)泵(beng)(beng)(beng)通常用于污(wu)水(shui)处理(li)厂和城市雨水(shui)收集(ji)系统中,以抽取和处理(li)污(wu)水(shui)和废液。它(ta)们可以有(you)效(xiao)地去除水(shui)中的(de)杂质和固体(ti)颗粒,从而净化 。
全(quan)(quan)自(zi)(zi)动(dong)外(wai)框(kuang)成(cheng)型机主(zhu)要用(yong)于袋式过(guo)滤器外(wai)框(kuang)体(ti)成(cheng)型,长度控制(zhi)准确(que),误差(cha)1mm以内;变频马达控制(zhi),速度可(ke)调(diao);人机操控,简单(dan)直(zhi)观(guan);带(dai)计数检测功能;附带(dai)自(zi)(zi)动(dong)送料架(jia)。全(quan)(quan)自(zi)(zi)动(dong)外(wai)框(kuang)成(cheng)型机设备用(yong)料大,经久(jiu)耐(nai)用(yong)。不仅(jin)可(ke)以提 。
4SG玻(bo)璃的(de)一(yi)道密(mi)(mi)封(feng)胶(jiao)(jiao)采用德国进口的(de)Koedispace4SG密(mi)(mi)封(feng)胶(jiao)(jiao)。Koedispace4SG密(mi)(mi)封(feng)胶(jiao)(jiao)是一(yi)种(zhong)高度(du)专(zhuan)业的(de)密(mi)(mi)封(feng)胶(jiao)(jiao),专(zhuan)为(wei)4SG中空玻(bo)璃的(de)一(yi)道密(mi)(mi)封(feng)设计。4SG玻(bo)璃使用这种(zhong)密(mi)(mi)封(feng)胶(jiao)(jiao),不仅能够有(you)效抵 。
上海浛(han)道体育(yu)的(de)儿童跆拳(quan)道课(ke)程(cheng)不仅注(zhu)重技能的(de)训练(lian),更注(zhu)重孩(hai)子们的(de)身心健(jian)康(kang)和(he)详细发展。我们的(de)教练(lian)团队会(hui)在课(ke)程(cheng)中注(zhu)重孩(hai)子们的(de)心理健(jian)康(kang),引导他们树立正确的(de)人生观(guan)和(he)价值观(guan),培(pei)养他们的(de)自信(xin)心和(he)自尊(zun)心。同时,我们的(de) 。
基本思路是综合分析、条件判断。即维修人员通(tong)过观察、听、触(chu)摸和(he)简单的测试以及(ji)对液压系(xi)统的理解,凭经(jing)验来判断故障(zhang)发(fa)生的原(yuan)因。当液压系(xi)统出现故障(zhang)时,故障(zhang)根源(yuan)有许多种可(ke)(ke)能。采(cai)用逻辑代数(shu)方法,将(jiang)可(ke)(ke)能故障(zhang)原(yuan)因列表 。
胀紧(jin)(jin)联(lian)结套的安装(zhuang)(zhuang)步(bu)骤1、把被联(lian)结件推移到轴(zhou)上(shang),使(shi)其(qi)达到设计规定的位置。2、将拧(ning)(ning)松螺钉的胀套平滑地装(zhuang)(zhuang)入(ru)连结孔(kong)处,要(yao)防止(zhi)结合件的倾斜,然(ran)后按拧(ning)(ning)紧(jin)(jin)螺钉规定的方法将螺钉拧(ning)(ning)紧(jin)(jin)。胀紧(jin)(jin)联(lian)结套的防护1、安装(zhuang)(zhuang)完毕(bi)后,在 。
果蔬(shu)贮(zhu)藏(zang)(zang)冷库通过科(ke)学的贮(zhu)藏(zang)(zang)管理(li)方(fang)法,有效(xiao)减少(shao)了果蔬(shu)在贮(zhu)藏(zang)(zang)过程中的损失和浪费。在冷库中,果蔬(shu)可(ke)以(yi)按(an)照不同的品种、等级进行分(fen)类(lei)贮(zhu)藏(zang)(zang),避(bi)免了因(yin)贮(zhu)藏(zang)(zang)不当导(dao)致(zhi)的果蔬(shu)变质(zhi)、腐烂等问题。同时(shi),冷库还可(ke)以(yi)根据市场需求 。