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Optimization Of Electric Vehicle Battery Thermal Management System Under Low Temperature Conditions

Sezvo chikamu chemusika chemotokari dzemagetsi chiri kuramba chichiwedzera, vagadziri vemotokari vari kushandura zvishoma nezvishoma yavo R&D kutarisa kumabhatiri emagetsi uye kutonga kwakangwara.Nekuda kwechimiro chemakemikari ebhatiri remagetsi, tembiricha ichave nekukanganisa kukuru pakuchaja uye kuburitsa kuita uye kuchengetedzeka kwebhatiri remagetsi.Naizvozvo, mukugadzirwa kwemotokari dzemagetsi, dhizaini yebhatiri thermal management system ine kukosha kwepamusoro.Zvichienderana neyakajairwa yemagetsi mota bhatiri thermal management system chimiro, yakasanganiswa neTesla's sere-nzira vharafu kupisa pombi system tekinoroji, iyo nheyo yekushanda yebhatiri remagetsi uye zvakanakira nekuipira kweiyo thermal management system inoongororwa.Kune matambudziko akadai sekutonhora kwemotokari kurasikirwa kwemagetsi, pfupi rwendo rwekufamba, uye kuderedzwa kuchaja simba, uye chirongwa chekugadzirisa cheiyo thermal management system yebhatiri remagetsi inokurudzirwa.

Nekuda kwekusagadzikana kwesimba remagetsi echinyakare uye kuwedzera kusvibiswa kwezvakatipoteredza, hurumende nevagadziri vemotokari munyika dzakasiyana vakamhanyisa shanduko kumotokari dzemagetsi matsva, vachitarisa kusimudzira kuvandudzwa kwemotokari dzemagetsi dzinotyairwa nemagetsi chaiwo.Sezvo chikamu chemusika chemotokari dzemagetsi chiri kuramba chichiwedzera, mabhatiri emagetsi uye kutonga kwakangwara kuri kuita tekinoroji yekuvandudza maitiro emotokari dzemagetsi.Hapana mhinduro iri nani yakawanikwa.Yakasiyana neyakajairwa peturu mota, mota dzemagetsi hadzigone kushandisa tsvina kupisa kupisa kabhini uye bhatiri paki.Nokudaro, mumotokari dzemagetsi, mabasa ose ekupisa anofanira kupedzwa kuburikidza nekupisa uye magetsi.Naizvozvo, nzira yekuvandudza kushandiswa kwesimba rasara remotokari inova yemagetsi Nyaya huru ine mota dzemafuta ekutonga masisitimu.

Theyemagetsi mota thermal management systeminodzora tembiricha yezvikamu zvakasiyana zvemotokari nekugadzirisa kuyerera kwekupisa, kunyanya kusanganisira tembiricha yekudzora mota yemotokari, bhatiri uye cockpit.Iyo bhatiri sisitimu uye cockpit inoda kufunga maviri-nzira kugadzirisa kutonhora uye kupisa, nepo mota system inongoda kufunga nezvekupisa kupisa.Mazhinji ekutanga ekudziya kwekutungamira masisitimu emotokari dzemagetsi aive mhepo-yakatonhodzwa kupisa kupisa masisitimu.Rudzi urwu rwekupisa manejimendi system yakatora tembiricha yekugadziriswa kweiyo cockpit sechinangwa chikuru chekugadzira sisitimu, uye kashoma kufunga tembiricha yekudzora mota nebhatiri, kutambisa simba remagetsi matatu panguva yekushanda.kupisa kunogadzirwa mukati. Sezvo simba remotokari uye bhatiri richiwedzera, mhepo-yakatonhodzwa kupisa kupisa hurongwa haichakwanisi kusangana nezvinodiwa zvekutarisira zvinopisa zvemotokari, uye iyo yekutonga kwekushisa yakapinda munguva yekutonhora kwemvura.Iyo yemvura inotonhorera sisitimu haingonatsiridza kupisa kwekupisa, asi zvakare inowedzera bhatiri insulation system.Nekudzora muviri wevharuvhu, iyo yemvura inotonhorera sisitimu haigone chete kushingaira kudzora kutungamira kwekupisa, asiwo kushandisa zvizere simba mukati memotokari.

Kupisa kwebhatiri uye cockpit inonyanya kukamurwa kuita nzira nhatu dzekudziya: tembiricha coefficient (PTC) thermistor heat, yemagetsi kupisa firimu kupisa uye kupisa pombi yekudziya.Nekuda kwechimiro chemakemikari ebhatiri remagetsi emotokari dzemagetsi, pachava nematambudziko akadai sekutonhora kwemotokari kurasikirwa kwemagetsi, pfupi cruising renji, uye kuderedzwa kuchaja simba pasi pemamiriro ekunze ekupisa.Kuti uve nechokwadi chekuti mota dzemagetsi dzinogona kuwana akakodzera mamiriro ekushanda pasi pemamiriro akasiyana akanyanya, Kuti asangane nezvinodiwa zvekushandisa, bhatiri thermal management system inoda kuvandudzwa uye kugadziridzwa kune yakaderera tembiricha mamiriro.

Bhatiri kutonhora nzira

Zvinoenderana neyakasiyana yekupisa midhiya, iyo bhatiri yekudziya manejimendi system inogona kukamurwa kuita mhando nhatu: air yepakati thermal management system, liquid yepakati thermal management system uye chikamu chekuchinja zvinhu thermal management system, uye iyo yemhepo yepakati thermal management system inogona kukamurwa kuita zvakasikwa. kutonhora system uye air cooling system.Kune 2 mhando dzekutonhodza system.

PTC thermistor yekudziya inoda kuronga PTC thermistor yekudziya unit uye insulating coating yakatenderedza bhatiri paki.Kana bhatiri remotokari richida kupiswa, sisitimu inopa simba PTC thermistor kuti iite kupisa, yobva yafuridza mweya kuburikidza nePTC kuburikidza nefan(PTC Inotonhorera Heater/PTC Air Heater)Iyo thermistor yekudziya zvimbi zvinoipisa, uye pakupedzisira inotungamira mweya unopisa mubheti pakiti kuti itenderere mukati, nekudaro kudziyisa bhatiri.

PTC air hita02
PTC inotonhorera hita02
PTC coolant hita01_副本
PTC inotonhorera hita01
PTC inotonhorera heater
20KW PTC heater

Nguva yekutumira: May-19-2023