本(ben)發明涉及電池(chi)測(ce)試(shi),尤其涉及一種用于新能(neng)源汽車回收電池(chi)的(de)耐久性能(neng)測(ce)試(shi)系(xi)統。
背景技術:
1、新能(neng)源(yuan)(yuan)汽(qi)車電(dian)池回(hui)收技術是(shi)新能(neng)源(yuan)(yuan)產業發展的重要組成(cheng)部分,它不僅有助于減少資源(yuan)(yuan)浪費,降低環(huan)境污染(ran),而且(qie)符合綠(lv)色低碳(tan)循環(huan)發展的要求(qiu),動(dong)力電(dian)池在實際回(hui)收時,需要進行重要指標的測(ce)試(shi),尤其是(shi)耐久(jiu)性的測(ce)試(shi),關系(xi)后續針對回(hui)收動(dong)力電(dian)池的處理方式。
2、中(zhong)國(guo)專(zhuan)利(li)公(gong)開號cn102736035a公(gong)開了一種動力(li)(li)電(dian)(dian)(dian)(dian)池(chi)耐(nai)久(jiu)性(xing)測(ce)試(shi)(shi)(shi)的(de)方法(fa)(fa)和系(xi)統,屬于汽車(che)測(ce)試(shi)(shi)(shi)領域。所述(shu)方法(fa)(fa)包括:獲取整車(che)運(yun)行(xing)的(de)工(gong)況(kuang)電(dian)(dian)(dian)(dian)流數據;根據所述(shu)工(gong)況(kuang)電(dian)(dian)(dian)(dian)流數據以(yi)預(yu)設(she)的(de)方式(shi)執(zhi)行(xing)充(chong)放(fang)電(dian)(dian)(dian)(dian)循環;當所述(shu)動力(li)(li)電(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)量(liang)的(de)初(chu)容量(liang)縮小到(dao)預(yu)設(she)容量(liang)值時(shi),根據所述(shu)充(chong)放(fang)電(dian)(dian)(dian)(dian)循環的(de)次數,獲得(de)所述(shu)動力(li)(li)電(dian)(dian)(dian)(dian)池(chi)的(de)耐(nai)久(jiu)性(xing)。所述(shu)系(xi)統包括轉鼓,測(ce)試(shi)(shi)(shi)設(she)備,監控設(she)備。該(gai)(gai)發(fa)明(ming)通(tong)過獲取整車(che)運(yun)行(xing)的(de)工(gong)況(kuang)電(dian)(dian)(dian)(dian)流數據,根據該(gai)(gai)工(gong)況(kuang)電(dian)(dian)(dian)(dian)流數據以(yi)預(yu)設(she)的(de)方式(shi)執(zhi)行(xing)充(chong)放(fang)電(dian)(dian)(dian)(dian)循環,當該(gai)(gai)動力(li)(li)電(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)量(liang)的(de)初(chu)容量(liang)縮小到(dao)預(yu)設(she)容量(liang)值時(shi),根據該(gai)(gai)充(chong)放(fang)電(dian)(dian)(dian)(dian)循環的(de)次數,獲得(de)該(gai)(gai)動力(li)(li)電(dian)(dian)(dian)(dian)池(chi)的(de)耐(nai)久(jiu)性(xing),有效地以(yi)充(chong)放(fang)電(dian)(dian)(dian)(dian)測(ce)試(shi)(shi)(shi)的(de)方式(shi)最大限度地模擬了整車(che)的(de)實際運(yun)行(xing),使測(ce)試(shi)(shi)(shi)動力(li)(li)電(dian)(dian)(dian)(dian)池(chi)耐(nai)久(jiu)性(xing)的(de)過程中(zhong),節約(yue)了耐(nai)久(jiu)性(xing)測(ce)試(shi)(shi)(shi)時(shi)間,提高(gao)了耐(nai)久(jiu)性(xing)測(ce)試(shi)(shi)(shi)的(de)準確度。由此可見,該(gai)(gai)發(fa)明(ming)存在(zai)以(yi)下問題:
3、該(gai)發明未(wei)考慮根據(ju)回收(shou)(shou)電池的當前實際數(shu)據(ju)與出廠數(shu)據(ju)的對比快速確定(ding)該(gai)電池的回收(shou)(shou)價值以確定(ding)其回收(shou)(shou)方(fang)法和評(ping)估耐久性(xing)。
技術實現思路
1、為此,本(ben)發明(ming)提(ti)供(gong)一種用(yong)(yong)于(yu)新(xin)能(neng)源汽車回收(shou)電(dian)池的(de)(de)耐(nai)久(jiu)性(xing)能(neng)測(ce)試系統,用(yong)(yong)于(yu)克服現有技(ji)術中未考慮根據(ju)回收(shou)電(dian)池的(de)(de)當前實際(ji)數(shu)據(ju)與出廠(chang)數(shu)據(ju)的(de)(de)對比快速(su)確(que)定該電(dian)池的(de)(de)回收(shou)價值以確(que)定其回收(shou)方(fang)法和評(ping)估耐(nai)久(jiu)性(xing)的(de)(de)問題,從而快速(su)評(ping)估回收(shou)電(dian)池的(de)(de)耐(nai)久(jiu)性(xing),提(ti)高評(ping)估耐(nai)久(jiu)性(xing)的(de)(de)正確(que)性(xing)。
2、為實現上(shang)述目的,本發明提供一種用于(yu)新能源汽(qi)車回收電池的耐久性能測(ce)試系(xi)統,包(bao)括:
3、信息采集模(mo)塊,用于獲取回收電池(chi)的電池(chi)種類和原(yuan)始(shi)出廠數(shu)據,所述電池(chi)種類包(bao)括(kuo)磷酸鐵鋰電池(chi)和三元鋰電池(chi),所述原(yuan)始(shi)出廠數(shu)據包(bao)括(kuo)原(yuan)始(shi)額(e)定容(rong)量、原(yuan)始(shi)循環壽(shou)命、原(yuan)始(shi)自(zi)放電率和原(yuan)始(shi)效率;
4、性能檢測模塊,用于(yu)確定回收(shou)(shou)電(dian)池的回收(shou)(shou)使(shi)用數(shu)據,所(suo)述回收(shou)(shou)使(shi)用數(shu)據包括當(dang)前(qian)實際容(rong)量、當(dang)前(qian)充放(fang)電(dian)循環次數(shu)、當(dang)前(qian)自放(fang)電(dian)率(lv)和當(dang)前(qian)效率(lv);
5、信息(xi)整合模(mo)塊(kuai),其(qi)分(fen)別與所述信息(xi)采集(ji)模(mo)塊(kuai)和(he)(he)所述性能(neng)檢測模(mo)塊(kuai)相連(lian),用于根(gen)據所述回收使(shi)用數(shu)據和(he)(he)所述原(yuan)始出廠數(shu)據確定回收電(dian)池的電(dian)能(neng)回收參量;
6、性(xing)能(neng)評估模(mo)塊(kuai)(kuai),其分(fen)別(bie)與(yu)所(suo)(suo)述(shu)(shu)信(xin)息采集模(mo)塊(kuai)(kuai)、所(suo)(suo)述(shu)(shu)性(xing)能(neng)檢測(ce)模(mo)塊(kuai)(kuai)和(he)所(suo)(suo)述(shu)(shu)信(xin)息整合模(mo)塊(kuai)(kuai)相連,用于確定(ding)各電(dian)(dian)池(chi)種類對應的回(hui)收標(biao)準預(yu)設值以結合所(suo)(suo)述(shu)(shu)電(dian)(dian)能(neng)回(hui)收參量確定(ding)電(dian)(dian)池(chi)回(hui)收方法,根據當前(qian)實(shi)際容量確定(ding)預(yu)設充放電(dian)(dian)循(xun)環次(ci)數(shu)(shu),根據預(yu)設充放電(dian)(dian)循(xun)環次(ci)數(shu)(shu)和(he)當前(qian)充放電(dian)(dian)循(xun)環次(ci)數(shu)(shu)確定(ding)回(hui)收電(dian)(dian)池(chi)的性(xing)能(neng)傾(qing)(qing)向參量以確定(ding)性(xing)能(neng)傾(qing)(qing)向類型,以及根據電(dian)(dian)池(chi)回(hui)收方法和(he)所(suo)(suo)述(shu)(shu)性(xing)能(neng)傾(qing)(qing)向類型評估回(hui)收電(dian)(dian)池(chi)的耐久性(xing)。
7、進一(yi)步地,信息整合模塊(kuai)根(gen)據所述回收(shou)使用(yong)數據和所述原始出(chu)廠(chang)數據確定回收(shou)電(dian)(dian)池的電(dian)(dian)能(neng)(neng)回收(shou)參量(liang),所述電(dian)(dian)能(neng)(neng)回收(shou)參量(liang)根(gen)據以(yi)下公式進行計算:
8、,其中,k為(wei)(wei)電(dian)能回收參量(liang)(liang),c為(wei)(wei)當(dang)(dang)前(qian)實際容(rong)量(liang)(liang),c0為(wei)(wei)原(yuan)始(shi)額定(ding)容(rong)量(liang)(liang),r為(wei)(wei)當(dang)(dang)前(qian)自放電(dian)率,r0為(wei)(wei)原(yuan)始(shi)自放電(dian)率,η為(wei)(wei)當(dang)(dang)前(qian)效率,η0為(wei)(wei)原(yuan)始(shi)效率,k1為(wei)(wei)容(rong)量(liang)(liang)系(xi)數,k2為(wei)(wei)自放電(dian)系(xi)數,k3為(wei)(wei)效率系(xi)數。
9、進一(yi)步地,性能評(ping)估模塊(kuai)根據回(hui)收電池的電池種(zhong)類確(que)定各電池種(zhong)類對(dui)應(ying)的回(hui)收標(biao)準預(yu)設值;
10、其(qi)中,磷酸鐵鋰(li)(li)回(hui)收標準預(yu)設值小于或等于三元鋰(li)(li)回(hui)收標準預(yu)設值。
11、進一步地(di),性能評(ping)估模塊根據電(dian)池種(zhong)類(lei)對應(ying)的回(hui)收標準預設值結(jie)合所述電(dian)能回(hui)收參量確(que)定電(dian)池回(hui)收方法(fa),其中(zhong),在(zai)回(hui)收電(dian)池的電(dian)池種(zhong)類(lei)為(wei)磷酸鐵鋰時:
12、若電能回(hui)收(shou)參量(liang)大(da)于磷酸鐵鋰(li)回(hui)收(shou)標準預設(she)值,則(ze)判定電池回(hui)收(shou)方法為(wei)梯次利用(yong);
13、若電(dian)能(neng)回(hui)收參量(liang)小(xiao)于(yu)或等于(yu)磷酸鐵鋰回(hui)收標準預設值,則判定電(dian)池回(hui)收方(fang)法為回(hui)收拆解(jie)。
14、進(jin)一步地(di),性(xing)能評估(gu)模塊(kuai)根據(ju)電(dian)(dian)(dian)池種類對應的(de)(de)回收標(biao)準預設值結合所述(shu)電(dian)(dian)(dian)能回收參量(liang)確定電(dian)(dian)(dian)池回收方(fang)法,其中,在(zai)回收電(dian)(dian)(dian)池的(de)(de)電(dian)(dian)(dian)池種類為三元鋰時(shi):
15、若電(dian)能回(hui)收參量大于三(san)元鋰回(hui)收標準預設值(zhi),則判定電(dian)池(chi)回(hui)收方法為梯次利用;
16、若(ruo)電能回(hui)(hui)收參(can)量小于或等于三元(yuan)鋰回(hui)(hui)收標準預設值,則判定電池回(hui)(hui)收方法為(wei)回(hui)(hui)收拆解。
17、進一步地,性能評估模塊根(gen)據(ju)當前實際容量和(he)原始循(xun)環(huan)壽命確定預(yu)設充放電循(xun)環(huan)次數,所述(shu)預(yu)設充放電循(xun)環(huan)次數根(gen)據(ju)以下公式(shi)進行計算:
18、,其中,n為預(yu)設(she)充放電循(xun)環次數,c1為原(yuan)(yuan)始標(biao)準(zhun)容(rong)量,n0為原(yuan)(yuan)始標(biao)準(zhun)容(rong)量對(dui)應的充放電循(xun)環次數,k為修正系數,c為當前實際(ji)容(rong)量;
19、根據原始(shi)(shi)循環(huan)壽命確定原始(shi)(shi)標(biao)(biao)準容量c1和原始(shi)(shi)標(biao)(biao)準容量對應(ying)的充放電循環(huan)次數n0。
20、進一(yi)步地,性(xing)能(neng)評(ping)估模塊(kuai)根(gen)據預設充放電循環次數(shu)和當前充放電循環次數(shu)之比確(que)定回收電池的性(xing)能(neng)傾向參量(liang)。
21、進一步地,性(xing)能(neng)評估模塊根(gen)據性(xing)能(neng)傾(qing)向參(can)量與性(xing)能(neng)傾(qing)向參(can)考(kao)值(zhi)確定回收電(dian)池的性(xing)能(neng)傾(qing)向類型(xing),包括:
22、若所述性能傾(qing)(qing)向(xiang)(xiang)參量大(da)于(yu)或等(deng)于(yu)性能傾(qing)(qing)向(xiang)(xiang)參考值,則判斷所述性能傾(qing)(qing)向(xiang)(xiang)類型(xing)為異常傾(qing)(qing)向(xiang)(xiang)狀態;
23、若(ruo)所述性(xing)能(neng)傾(qing)向(xiang)參量小于性(xing)能(neng)傾(qing)向(xiang)參考(kao)值,則(ze)判(pan)斷所述性(xing)能(neng)傾(qing)向(xiang)類型為(wei)正常傾(qing)向(xiang)狀態。
24、進一步地,性(xing)能(neng)評估模塊根(gen)據所述(shu)電池(chi)(chi)回(hui)收(shou)方法和所述(shu)性(xing)能(neng)傾向類型確定回(hui)收(shou)電池(chi)(chi)的耐久性(xing),包括:
25、若所述電池回(hui)收方法(fa)為梯(ti)次利用且(qie)所述性能傾(qing)向(xiang)(xiang)類型為正(zheng)常傾(qing)向(xiang)(xiang)狀(zhuang)態,則判斷回(hui)收電池的耐久性符合標(biao)準;
26、若所述電池回(hui)(hui)收(shou)方法(fa)為(wei)梯次(ci)利用但所述性(xing)能傾(qing)(qing)向類型為(wei)異常傾(qing)(qing)向狀(zhuang)態,則判斷回(hui)(hui)收(shou)電池的(de)耐久性(xing)不符合標準。
27、進一步地,信(xin)息(xi)采集模塊(kuai)還(huan)用于獲取回收電(dian)池(chi)的(de)歷史充(chong)(chong)放電(dian)信(xin)息(xi),所述歷史充(chong)(chong)放電(dian)信(xin)息(xi)包(bao)括(kuo)各(ge)次充(chong)(chong)電(dian)的(de)充(chong)(chong)電(dian)類(lei)型,所述充(chong)(chong)電(dian)類(lei)型包(bao)括(kuo)快充(chong)(chong)和慢充(chong)(chong),性能(neng)評估模塊(kuai)根(gen)據(ju)各(ge)充(chong)(chong)電(dian)類(lei)型對應的(de)充(chong)(chong)電(dian)次數之比和當前實際容量確定修正系數的(de)取值。
28、與(yu)現(xian)有技術相比,本發(fa)明的(de)(de)(de)(de)有益效果(guo)在于(yu),本發(fa)明提(ti)供(gong)的(de)(de)(de)(de)用于(yu)新能(neng)(neng)源(yuan)(yuan)(yuan)汽車(che)(che)回收(shou)(shou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)耐(nai)久(jiu)性(xing)能(neng)(neng)測(ce)(ce)試系(xi)統(tong)通過(guo)(guo)集(ji)成信息(xi)采(cai)集(ji)、性(xing)能(neng)(neng)檢測(ce)(ce)、信息(xi)整合與(yu)性(xing)能(neng)(neng)評估四大(da)模塊,實(shi)現(xian)了對回收(shou)(shou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)全(quan)面而(er)精準(zhun)的(de)(de)(de)(de)評估,本系(xi)統(tong)獲取電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)(de)(de)歷史充放電(dian)(dian)(dian)(dian)(dian)信息(xi)及種類和(he)(he)原始出(chu)廠(chang)數(shu)據,為評估提(ti)供(gong)了堅(jian)實(shi)的(de)(de)(de)(de)基(ji)礎(chu);通過(guo)(guo)實(shi)際檢測(ce)(ce)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)(de)(de)當(dang)前(qian)實(shi)際容量、充放電(dian)(dian)(dian)(dian)(dian)循(xun)環次數(shu)、自放電(dian)(dian)(dian)(dian)(dian)率和(he)(he)效率等關鍵指標,能(neng)(neng)夠(gou)科(ke)學計算出(chu)電(dian)(dian)(dian)(dian)(dian)能(neng)(neng)回收(shou)(shou)參量,進而(er)結合預(yu)設(she)(she)的(de)(de)(de)(de)回收(shou)(shou)標準(zhun),智(zhi)能(neng)(neng)判(pan)定電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)(de)(de)回收(shou)(shou)方法(梯次利(li)用或(huo)回收(shou)(shou)拆(chai)解);本系(xi)統(tong)還根據電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)(de)(de)當(dang)前(qian)實(shi)際容量預(yu)測(ce)(ce)其預(yu)設(she)(she)充放電(dian)(dian)(dian)(dian)(dian)循(xun)環次數(shu),并與(yu)當(dang)前(qian)循(xun)環次數(shu)對比,確(que)定電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)(de)(de)性(xing)能(neng)(neng)傾向類型(xing),最終綜合評估電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)(de)(de)耐(nai)久(jiu)性(xing);本發(fa)明不僅提(ti)高了電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)回收(shou)(shou)的(de)(de)(de)(de)經濟性(xing)和(he)(he)環保(bao)性(xing),還促進了新能(neng)(neng)源(yuan)(yuan)(yuan)汽車(che)(che)產業的(de)(de)(de)(de)可持續發(fa)展,通過(guo)(guo)優化(hua)資源(yuan)(yuan)(yuan)利(li)用和(he)(he)減少環境污染,為構建(jian)綠色生態貢獻力量;
29、進(jin)一步地(di),本發明通(tong)過耐久(jiu)性(xing)評估和合理(li)的(de)回(hui)(hui)收(shou)決策確保回(hui)(hui)收(shou)電池(chi)(chi)得(de)到最優化的(de)處(chu)理(li),對于(yu)(yu)性(xing)能(neng)較好的(de)電池(chi)(chi)選(xuan)擇(ze)梯次(ci)利(li)用,延長其(qi)使(shi)用壽(shou)命;對于(yu)(yu)性(xing)能(neng)較差的(de)電池(chi)(chi)則選(xuan)擇(ze)回(hui)(hui)收(shou)拆解,提(ti)取有價值的(de)材料;這種處(chu)理(li)方式不僅提(ti)高了電池(chi)(chi)回(hui)(hui)收(shou)的(de)經濟(ji)性(xing),還減少了環境污(wu)染(ran)和資源浪費。
30、進一步地(di),信息整合模塊通過電(dian)(dian)能回(hui)收(shou)參(can)量(liang)(liang)公(gong)式的應用(yong),使得回(hui)收(shou)電(dian)(dian)池(chi)的回(hui)收(shou)價值評估更(geng)加科學且全面(mian);特別(bie)地(di),當前(qian)實際容量(liang)(liang)與原始額定容量(liang)(liang)的高(gao)比(bi)例、自放電(dian)(dian)率的降低以及(ji)效(xiao)率的保持(chi),均(jun)對(dui)提升電(dian)(dian)能回(hui)收(shou)參(can)量(liang)(liang)起(qi)到積極作用(yong),從(cong)而直接反映出回(hui)收(shou)電(dian)(dian)池(chi)的高(gao)價值。
31、進一步(bu)地,性(xing)能(neng)評估模(mo)塊在(zai)評估回(hui)收電(dian)池時,充分考慮了不同(tong)電(dian)池種(zhong)類(lei)的特(te)性(xing),特(te)別是磷酸鐵鋰與三元鋰動力電(dian)池在(zai)循環壽命(ming)和回(hui)收價值上的差異,為每種(zhong)電(dian)池類(lei)型設(she)定了合理的回(hui)收標準預(yu)設(she)值。