Nekuwedzera kwekushandiswa kwemabhatiri e-lithium-ion mumadrones, mota dzemagetsi (EV), uye kuchengetedza kwesimba rezuva, vagadziri vemabhatiri vari kushandisawo tekinoroji yemazuva ano uye kuumbwa kwemakemikari kusundira miganhu yekuyedzwa kwebhatiri uye kugona kugadzira.

Mazuva ano, kushanda uye hupenyu hwebheteri imwe neimwe, pasinei nehukuru, inotarirwa mukugadzirwa kwekugadzira, uye michina yekuedza inogadzirirwa bhatiri chaiyo. Nekudaro, nekuti iyo lithium-ion bhatiri musika inovhara ese maumbirwo uye hunyanzvi, zvakaoma kugadzira imwechete, yakasanganiswa tester inokwanisa kubata akasiyana masimba, mafungu uye maumbirwo emuviri nekunyatso kudiwa uye kurongeka.

Tichifunga nezvekuwedzera kwakasiyana-siyana kudiwa kwemabhatiri e-lithium-ion, isu tinoda nekuchimbidza kushanda kwepamusoro uye kuchinjika mhinduro dzekuyedza kuti tiwedzere kutengeserana pakati pezvakanakira nezvakaipira uye kuwana mutengo-unoshanda.

Lithium-ion mabhatiri akaoma uye akasiyana

Mazuva ano, mabhatiri e-lithium-ion ane hukuru hwakasiyana-siyana, magetsi, uye kushandiswa kwemaitiro, asi teknolojia iyi haina kuonekwa payakatanga kuiswa pamusika. Mabhatiri eLithium-ion akatanga akagadzirirwa midziyo midiki, yakadai semakomputa ekunyorera, nharembozha uye zvimwe zvinotakurika zvemagetsi. Ikozvino, hukuru hwavo hwakakura zvakanyanya, senge mota dzemagetsi uye solar bhatiri kuchengetedza. Izvi zvinoreva kuti yakakura yakatevedzana-yakafanana bhatiri paki ine yakakwira voltage uye yakakura chiyero, uye huwandu hwemuviri hwakakurawo. Semuenzaniso, mabhatiri emapakiti edzimwe mota dzemagetsi anogona kugadzirwa anosvika zana munhevedzano uye anodarika makumi mashanu anoenderana.

Mabhatiri akaturikidzana hachisi chinhu chitsva. Yakajairwa rechargeable lithium-ion bhatiri paki mune yakajairwa notebook komputa ine akawanda mabhatiri munhevedzano, asi nekuda kwehukuru hukuru hwebhatiri pack, bvunzo inova yakaoma uye inogona kukanganisa kuita kwese. Kuti kushanda kwebhatiri pack rese risvike padanho rakakwana, bhatiri rega rega rinofanira kunge rakada kufanana nebhatiri remuvakidzani waro. Mabhatiri anozokanganisa mumwe nemumwe, saka kana bhatiri riri munhevedzano riine simba rakaderera, mamwe mabhatiri ari mubhatiri pack achange ari pazasi peyakanyanya mamiriro, nekuti kugona kwavo kuchaderedzwa nebhatiri rekutarisa uye rebalancing system kuti ienderane nekuita kwakaderera. Bhatiri. Sekutaura kuri kuita gonzo regonzo rinoparadza hari yemufushwa.

Iyo yekuchaja-yekuburitsa kutenderera inoratidza zvakare kuti bhatiri rimwechete rinogona kuderedza sei kuita kwebhatiri pack yese. Bhatiri rine huwandu hwakadzikira mubhatiri pack rinodzikisa mamiriro aro ekuchajisa nekumhanya zvakanyanya, zvichikonzera chiyero chevoltage isina kuchengetedzeka uye zvichiita kuti bhatiri rese pack risabude. Kana bhatiri paki ichichajwa, bhatiri rine simba rakaderera rinotanga kubhadharwa, uye mabhatiri akasara haazochajirwi zvakare. Mumotokari dzemagetsi, izvi zvinokonzeresa kuderedzwa kweiyo inoshanda yakazara iripo bhatiri paki yekutakura, nekudaro kuderedza kufamba kwemotokari. Pamusoro pezvo, kuderedzwa kwemabhatiri ane simba rakaderera kuchawedzera nekuti inosvika pamhepo yakawandisa pakupera kwekuchaja nekuburitsa nzira dzekudzivirira dzisati dzatanga kushanda.

Pasinei nemudziyo wekupedzisira, mabhatiri akawanda ari mubhatiri pack akaturikidzana munhevedzano uye anoenderana, ndiko kunowedzera dambudziko. Mhinduro iri pachena ndeyekuona kuti bhatiri rimwe nerimwe rakagadzirwa zvakafanana, uye kubatanidza mabhatiri mamwechete mune imwechete bhatiri pack. Nekudaro, nekuda kweiyo yemukati yekugadzira nzira yekusiyanisa yebhatiri impedance uye huwandu, kuyedzwa kwave kwakakosha-kwete chete kusabvisa zvikamu zvisina kukwana, asi zvakare kusiyanisa mabhatiri akafanana uye ndeapi mabhatiri ekuisa mukati. kuburitsa curve yebhatiri panguva yekugadzira maitiro ane pesvedzero huru pahunhu hwayo uye inogara ichichinja.

Sei mabhatiri emazuva ano e-lithium-ion achiunza matambudziko matsva ekuedza?

Kuyedzwa kwebhatiri hachisi chinhu chitsva, asi kubvira payakatanga, mabhatiri e-lithium-ion akaisa kudzvanya kutsva pakurongeka, kubuda uye kutenderera kwebhodhi density yemidziyo yekuyedza.

Lithium-ion mabhatiri akasarudzika nekuti ane gobvu rakanyanyisa rekuchengetedza simba. Kana vakabhadhariswa uye vakaburitswa zvisina kunaka, vanogona kukonzera moto uye kuputika. Mukugadzira uye kuyedza maitiro, iyi tekinoroji yekuchengetedza simba inoda kurongeka kwakanyanya, uye akawanda ari kubuda maapplication anowedzera kuwedzera kudiwa uku. Mukutaura kwechimiro, ukuru, kukwanisa uye kuumbwa kwemakemikari, marudzi emabhatiri e-lithium-ion akawandisa. Mukupesana, ivo vanozokanganisawo midziyo yekuyedza, nekuti ivo vanofanirwa kuve nechokwadi chekuti yekuchaja uye yekuburitsa macurves inoteedzerwa nemazvo kuti uwane iyo yakanyanya kuchengetedza kugona uye kuvimbika. Uye kunaka.

Sezvo pasina saizi imwe inokodzera mabhatiri ese, kusarudza yakakodzera bvunzo michina uye vakasiyana vagadziri veakasiyana lithium-ion mabhatiri kuchawedzera mutengo wekuyedza. Pamusoro pezvo, kuenderera mberi kwekuvandudza maindasitiri kunoreva kuti inogara ichichinja-chaji-kuburitsa curve inovandudzwa, zvichiita kuti bhatiri rinoedza kuve chishandiso chakakosha chekusimudzira tekinoroji nyowani yebhatiri. Zvisinei nekemikari uye mashandiro emabhatiri e-lithium-ion, kune nzira dzisingaverengeke dzekuchaja nekuburitsa mukugadzira kwavo, izvo zvinoita kuti vagadziri vebhatiri vaise kumanikidza kune vanoedza bhatiri kuti vade kuti vave nemabasa akasiyana ekuyedza.

Kururama sezviri pachena mano anodiwa. Izvo hazvingorevi kugona kuchengetedza yakakwirira ikozvino kutonga kurongeka padanho rakaderera, asi rinosanganisira kugona kushandura nekukurumidza pakati pekuchaja uye kuburitsa modes uye pakati pemazinga akasiyana ezvino. Izvi zvinodikanwa hazvisi kungotungamirirwa nekudiwa kwekugadzira-mabhatiri e-lithium-ion ane unhu hunoenderana uye unhu. Vagadziri vemabhatiri zvakare vanotarisira kushandisa maitiro ekuyedza uye zvishandiso sezvishandiso zvitsva kugadzira mukana wekukwikwidza mumusika, senge kugadzirisa kuchaja. Algorithm yekuwedzera kugona.

Kunyangwe bvunzo dzakasiyana siyana dzichidikanwa kumhando dzakasiyana dzemabhatiri, ma testers anhasi anogadziridzwa kune chaiwo masaizi ebhatiri. Semuenzaniso, kana uri kuyedza bhatiri hombe, unoda yakakura ikozvino, iyo inoshandura kune yakakura inductance uye mawaya akakora uye humwe hunhu. Saka pane zvakawanda zvinosanganisirwa pakugadzira muyedzo unokwanisa kubata makwikwi epamusoro. Zvisinei, mafekitari mazhinji haangobudisi rudzi rumwe chete rwebhatiri. Vanogona kuburitsa seti yakakwana yemabhatiri mahombe emutengi uku vachisangana nezvose zvinodiwa pakuedzwa kwemabhatiri aya, kana kuti vanogona kugadzira seti yemabhatiri madiki ane diki ikozvino kune mutengi we smartphone. .

Ichi ndicho chikonzero chekukwira kwemutengo wekuyedza-iyo bhatiri tester yakagadziridzwa ikozvino. Vaedzi vanogona kubata yakakwirira currents kazhinji hombe uye anodhura nokuti havadi chete hombe nesilicon wafers, asiwo magineti zvinoriumba uye wiring kusangana electromigration mitemo uye kuderedza parasitic voltage madonhwe muhurongwa. Fekitori inofanirwa kugadzirira zvakasiyana-siyana zvekuyedza chero nguva kuti isangane nekugadzirwa uye kuongororwa kwemhando dzakasiyana dzemabhatiri. Nekuda kwemhando dzakasiyana dzemabhatiri anogadzirwa nefekitari panguva dzakasiyana, mamwe ma tester anogona kunge asingaenderane nemabhatiri aya uye anogona kusiiwa asina kushandiswa, izvo zvinowedzera kuwedzera mutengo nekuti tester imari yakawanda.

Zvingave zvemafekitori akajairwa uye ari kusimukira ekugadzirwa kwakawanda kwemabhatiri e-lithium-ion, kana vagadziri vebhatiri vanoda kushandisa maitiro ekuyedza kugadzira nekugadzira zvigadzirwa zvitsva zvebhatiri, vanofanirwa kushandisa michina yekuyedza inochinjika kuti ienderane nehupamhi hwemabhatiri. mabhatiri. Kugona uye saizi yemuviri, nekudaro ichidzikisa mari yekudyara, uye nekuvandudza kudzoka kwekudyara kwemidziyo yekuyedza.

Paunenge uchiedza kunyatso kwenenzvera imwe yekubatanidza bvunzo mhinduro, pane zvakawanda zvinopokana zvinodiwa. Iko hakuna panacea yemarudzi ese e lithium-ion bhatiri bvunzo mhinduro, asi Texas Instruments (TI) yakaronga referensi dhizaini inoderedza kutengeserana-pakati pakati pekuita-mutengo uye huchokwadi.

High-precision test solution, yakakodzera kushandiswa kwepamusoro-ikozvino

Yakasarudzika bhatiri bvunzo mamiriro ezvinhu anogara aripo, uye inoda yakaenzana yakasarudzika mhinduro saizvozvo. Nekudaro, kune akawanda marudzi emabhatiri e-lithium, ingave iri diki smart phone bhatiri kana hombe bhatiri paki yemotokari yemagetsi, panogona kuve nemutengo unoshanda bvunzo michina.

Kuti uwane iyo chaiyo, yakazara-chikero kuchaja uye kuburitsa ikozvino kutonga kwakaringana kunodiwa nemabhatiri mazhinji e-lithium-ion pamusika, Texas Instruments ‘modular bhatiri tester referensi dhizaini ye50-A, 100-A, uye 200-A application inoshandisa. 50-A Uye musanganiswa we100-A bhatiri bvunzo dhizaini kugadzira modular vhezheni inokwanisa kusvika kune yakanyanya kuchaja uye yekuburitsa level ye200-A. Iyo block diagram yemhinduro iyi inoratidzwa muMufananidzo 2.

Semuyenzaniso, TI inotora inogara iripo uye inongogara voltage control loop yebhatiri tester referensi dhizaini yeakakwira ikozvino maapplication, anotsigira kusvika ku50A kuchaja uye chiyero chekuburitsa. Iyi referensi dhizaini inoshandisa iyo LM5170-Q1 multiphase bidirectional ikozvino controller uye INA188 instrumentation amplifier kunyatso gadzirisa ikozvino kuyerera mukati kana kubuda mubhatiri. INA188 inoshandisa uye inotarisisa iyo inogara iripo yekudzora loop, uye sezvo yazvino ichigona kuyerera mune chero nzira, iyo SN74LV4053A multiplexer inogona kugadzirisa iyo yekuisa yeINA188 zvinoenderana.

Iyi chaiyo mhinduro inogadzira inogadzirika chikuva chezvishandiso zvinoda yakakwirira ikozvino kana multiphase nekubatanidza akati wandei akakosha matekinoroji eTI, kuratidza kugona kwekuvaka inodhura-inoshanda bvunzo mhinduro. Iyi inoshanduka uye inotarisana nemhinduro haingosangana nezvinodiwa zvemazuva ano chete, asiwo inofanotaura nezveramangwana rekukura maitiro emabhatiri emotokari, izvo zvichakurumidza kuwedzera kudiwa kwekugona kweanoedza kupfuura 50A.

Lithium-ion bhatiri yekuyedza michina yekudyara maximization

Iyo modular bhatiri tester referensi dhizaini yeTexas Instruments inogadzirisa iyo yepamusoro-chaiyo, yakakwirira-ikozvino uye inoshanduka matambudziko e lithium-ion bhatiri bvunzo michina. Iyi referensi dhizaini inovhara akasiyana anowanikwa mabhatiri maumbirwo, saizi, uye hunyanzvi, uye inokwanisa kurarama nezviri kubuda, senge hombe bhatiri mapaketi mumotokari dzemagetsi nemagetsi ezuva, uye mabhatiri madiki madiki anowanzo kuwanikwa mumagetsi evatengi senge mafoni akangwara. .

Iyo yereferensi dhizaini yelithium-ion bhatiri yekuyedza inoita kuti iwe uise mari mune yakaderera yazvino bhatiri bvunzo zvishandiso uye uzvishandise zvakafanana, kubvisa kudiwa kwekudyara kunodhura mukuvaka kwakawanda nemazinga akasiyana azvino. Kugona kushandisa midziyo yekuyedza muakasiyana siyana azvino anogona kukwirisa mari mumidziyo yekuyedza bhatiri kusvika pamwero mukuru, kuderedza mutengo wakazara, uye kupa kuchinjika kuchinjika kune zvinoshanduka zvinodikanwa zve lithium-ion bhatiri yekuyedza.
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