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　　電動巡邏車電能的來源就是其蓄電池。為增加電動巡邏車的(de)(de)續駛(shi)里程，蓄(xu)電(dian)池(chi)(chi)的(de)(de)容量要足(zu)夠大。但是，增(zeng)加蓄(xu)電(dian)池(chi)(chi)的(de)(de)容量，蓄(xu)電(dian)池(chi)(chi)組的(de)(de)體(ti)積增(zeng)加，質量也會增(zeng)加，會影(ying)響車(che)輛的(de)(de)動(dong)力(li)性和整車(che)布(bu)局(ju)。因(yin)此，電(dian)動(dong)巡邏車(che)需要根據電(dian)動(dong)汽(qi)車(che)的(de)(de)設計目(mu)標和道(dao)路(lu)行駛(shi)工況的(de)(de)不同來選配蓄(xu)電(dian)池(chi)(chi)。電(dian)動(dong)巡邏車(che)對蓄(xu)電(dian)池(chi)(chi)的(de)(de)性能要求具體(ti)歸納(na)如下：

　　一、蓄電(dian)(dian)池的(de)(de)容(rong)量要足(zu)夠大，以(yi)滿足(zu)電(dian)(dian)動巡邏車續(xu)駛里程的(de)(de)設(she)計(ji)目標，此外，蓄電(dian)(dian)池的(de)(de)容(rong)量和能(neng)量應能(neng)確保汽車在特定工況下的(de)(de)供電(dian)(dian)能(neng)力。

　　二、放電(dian)(dian)(dian)時電(dian)(dian)(dian)流(liu)里輸(shu)出的(de)電(dian)(dian)(dian)流(liu)稱(cheng)(cheng)為(wei)(wei)放電(dian)(dian)(dian)電(dian)(dian)(dian)流(liu)，充(chong)(chong)電(dian)(dian)(dian)時電(dian)(dian)(dian)池(chi)里流(liu)過的(de)電(dian)(dian)(dian)流(liu)稱(cheng)(cheng)為(wei)(wei)充(chong)(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流(liu)，電(dian)(dian)(dian)池(chi)在放電(dian)(dian)(dian)充(chong)(chong)電(dian)(dian)(dian)時所允(yun)許(xu)的(de)電(dian)(dian)(dian)流(liu)較大值稱(cheng)(cheng)為(wei)(wei)較大允(yun)許(xu)電(dian)(dian)(dian)流(liu)。因此，要求電(dian)(dian)(dian)動巡邏(luo)車蓄(xu)電(dian)(dian)(dian)池(chi)再必要時能滿負(fu)荷(he)下(xia)工作和實現全(quan)放電(dian)(dian)(dian)，且不影響電(dian)(dian)(dian)池(chi)的(de)壽命(ming)。

　　三、蓄(xu)電池的比能量和能量密度(du)要盡可能大，以減小蓄(xu)電池組的結構(gou)尺寸，減輕(qing)蓄(xu)電池組的質量，方(fang)便車(che)(che)輛的整體結構(gou)設計，確保電動巡邏車(che)(che)的動力性(xing)和乘用空(kong)間。

　　四、電(dian)(dian)池(chi)(chi)(chi)的循(xun)環使(shi)用(yong)壽(shou)命是指以電(dian)(dian)池(chi)(chi)(chi)充(chong)電(dian)(dian)和放電(dian)(dian)一(yi)次(ci)(ci)為一(yi)個(ge)循(xun)環，按一(yi)定測試標(biao)準，當電(dian)(dian)池(chi)(chi)(chi)容(rong)量講到(dao)某一(yi)規定值以前，電(dian)(dian)池(chi)(chi)(chi)經(jing)歷的充(chong)電(dian)(dian)電(dian)(dian)循(xun)環總(zong)次(ci)(ci)數。循(xun)環使(shi)用(yong)壽(shou)命是評(ping)價電(dian)(dian)池(chi)(chi)(chi)壽(shou)命性能的一(yi)項(xiang)重要標(biao)準。

　　五(wu)、抗濫(lan)用能力指電(dian)動(dong)巡邏車電(dian)池對短路、過充電(dian)、過放電(dian)、機(ji)械振動(dong)、撞擊、擠壓(ya)以及遭(zao)受高溫和著(zhu)火等非(fei)正常(chang)使用情況的(de)容忍程度(du)。

　　電動巡邏車(che)是一種高能(neng)(neng)效、節能(neng)(neng)、低噪音、零(ling)排放的綠色警務車(che)。具(ju)有語音裝置，使用蓄電池(chi)，高車(che)速(su)40公里(li)，大續(xu)駛里(li)程80-120公里(li)。所以，電動巡邏車(che)對蓄電池(chi)的性能(neng)(neng)要求也是高的。