Ndeapi mashandisirwo ephotovoltaic welding strip rolling mill muindasitiri yekuchengetera magetsi

       Iko kushandiswa kwe photovoltaic welding strip rolling mill muindasitiri yekuchengetera magetsi inotsamira pane yayo "yepamusoro-chaiyo yakatetepa simbi strip rolling tekinoroji" kugadzira yakakosha conductive yekubatanidza mabhatiri ekuchengetedza simba uye masisitimu ekuchengetedza simba. Izvi zvidimbu zvinoda kurongeka kwepamusoro, kunaka kwepamusoro, conductivity, uye mashandiro emuchina wesimbi strip, inoenderana zvakanyanya neiyo photovoltaic strip (senge ukobvu kushivirira ± 0.005mm, kukwenya kwemahara, kushomeka kwemukati kuramba, nezvimwewo). Yayo chaiyo yekushandisa mamiriro anotarisa pane matatu epakati malink e "cell connection", "current collection", uye "system conduction" mumidziyo yekuchengetedza simba. Izvi zvinotevera kupatsanurwa kwakadzama:

1, Core application mamiriro: Conductive yekubatanidza mukati mesimba rekuchengetedza mabhatiri

       Mabhatiri ekuchengetedza magetsi (akadai se lithium iron phosphate mabhatiri, ternary lithium mabhatiri, ese vanadium kuyerera mabhatiri, nezvimwewo) ndiwo musimboti wemidziyo yekuchengetedza simba, uye zvikamu zvawo zvemukati zvinoda "chaiyo conductive mitsetse" kuti iwane kutevedzana / kuwirirana kwekubatanidza masero ebhatiri uye kuunganidzwa kwazvino, kuitira kuve nechokwadi chekuchaja uye kuburitsa kushanda zvakanaka, kusimba kwemukati kwebhatiri kugadzikana, uye kuchengetedzwa kwebheti. Mutsetse wemhangura (kana nickel/tin plated copper strip) inogadzirwa nephotovoltaic strip rolling mill ndiyo musimboti wemidziyo yezvinoita conductive yekubatanidza zvinhu, uye inoshandiswa chaizvo mune zvinotevera subscenarios:

1. "Nzeve yekubatanidza tambo" yeskweya/cylindrical simba rekuchengetedza maseru

       Zvido zvekushandisa: Nzeve dzedanda (zvakanaka uye zvisina kunaka zviteshi) zvesikweya (senge lithium iron phosphate yakakura maseru) uye cylindrical simba rekuchengetedza maseru (akadai se18650/21700 mhando) inoda kubatanidzwa kuburikidza nematepi ekuitisa kuti uwane akawanda masero akatevedzana akafanana (sekubatanidza maseru gumi mumutsara kuita 3.0 = 3 V bhatiri module). Iyi mhando yekubatanidza tambo inofanirwa kuzadzisa zvinotevera zvinodiwa:

       Ukobvu 0.1-0.3mm (yakanyanya gobvu ichawedzera bhatiri vhoriyamu, yakanyanyisa kutetepa inodziya nekunyungudika);

       Hapana oxidation kana kukwenya pamusoro (kudzivisa kuwedzera kusangana kwekupokana uye kukonzera kupisa kwenzvimbo);

       Kuita kwakanaka kwekukotama (kwakakodzera compact yekuisa nzvimbo yebhatiri module).

       Rolling chigayo basa: Kuburikidza ne "multi pass progressive rolling" (senge 3-5 passes), yepakutanga copper strip (hukobvu 0.5-1.0mm) inokungurutswa kuita mutete mhangura tambo inosangana nehukuru, uku ichisimbisa kupfava kwetambo (kushivirira ≤± 0.003mm) kuburikidza ne "tension control"; Kana kudzivirira oxidation kuchidikanwa, inotevera nickel/tin plating maitiro anogona kushandiswa. Iyo yekumusoro roughness (Ra ≤ 0.2 μ m) yemhangura yemhangura inogadzirwa neinoputika mill inogona kuve nechokwadi chekunamatira kwekuputira.

2. "Yazvino kuunganidza conductive strip" yebhatiri inoyerera

       Zvido zvekushandisa: Mune murwi wemabhatiri evanadium inoyerera (yemazuva mazhinji ekuchengetedza simba tekinoroji), "ikozvino kuunganidza conductive strip" inodiwa kuunganidza ikozvino yebhatiri rimwe kune rekunze redunhu. Zvinhu zvayo zvinonyanya kuchena mhangura (high conductivity) kana copper alloy (corrosion-resistant). Zvinodiwa:

       Upamhi hwakakodzera stack saizi (kazhinji 50-200mm), ukobvu 0.2-0.5mm (yakaenzana conductivity uye kureruka);

       Mupendero wemutsetse unofanirwa kunge usina maburrs (kudzivisa kubaya stack membrane uye kukonzera kubuda kwe electrolyte);

       Kupokana kune vanadium ion corrosion (mamwe mamiriro ezvinhu anoda pamusoro passivation kurapwa mushure mekukunguruka).

       Basa rehuyo rinoputika nderokugadzira mitsetse yemhangura yakafara uye yakatsetseka kuburikidza neyakagadzirirwa rolling rolls (yakagadzirwa maererano nehupamhi hwechigadziko), ichibvisa maburrs anogadzirwa panguva yekukunguruka kuburikidza nemupendero wekukuya; Iyo "tembiricha kutonga" kwechigayo chinotenderedza (tembiricha yemhangura ≤ 60 ℃ panguva yekukunguruka) inogona kudzivirira kukura kwemhangura strip tsanga, kuve nechokwadi chesimba rayo remagetsi (tensile simba ≥ 200MPa), uye kujairana nekushanda kwenguva refu kwemvura inoyerera bhatiri stacks (yekugadzira hupenyu hweanopfuura makore makumi maviri).

2,Yakawedzerwa mamiriro ekushandisa: Zvekunze conductive zvikamu zvesimba rekuchengetedza masisitimu

        Pamusoro pekubatana kwemukati mukati mebhatiri, mitsetse yemhangura chaiyo inogadzirwa ne photovoltaic strip mills inogona kushandiswawo "kunze conductive yekubatanidza" mumasisitimu ekuchengetedza simba senge midziyo yekuchengetera magetsi uye imba yekuchengetera magetsi makabati, kugadzirisa dambudziko rekuchinja kwezvinhu zvechinyakare conductive senge tambo nemabhawa emhangura munzvimbo dzakabatanidzwa.

1. "Flexible conductive strip" yesimba rekuchengetedza module uye inverter

        Zvido zvekushandisa: Mumidziyo yekuchengetedza simba, nzvimbo yekubatanidza pakati pemamodule ebhatiri (kazhinji akaturikidzana) uye inverters yakamanikana, uye echinyakare yakaoma mhangura mbariro (yakasimba kusimba, isiri nyore kukotama) yakaoma kuisa. A "flexible conductive strip" (inopetwa, inobhenda) inodiwa kuti uwane kubatana. Zvarinoda ndezvi:

        Ukobvu 0.1-0.2mm, hupamhi 10-30mm (customized maererano ano saizi, akadai 200A ikozvino inowirirana 20mm yakafara copper strip);

        Inogona kurongedzerwa muzvikamu zvakawanda (senge 3-5 mitsetse yemhangura yakarongedzerwa kuti iwedzere kutakura ikozvino);

        Iyo yekuvharisa yekumusoro yekuputira ine yakasimba adhesion (inoda kupfekedzwa neyakavharisa layer mushure memhangura tambo yekukungururuka kudzivirira pfupi pfupi).

        Basa rekukungurutsa chigayo: Iyo yakatetepa yemhangura tambo inogadzirwa ine yakakwira flatness (hapana wave shape), iyo inogona kuve nechokwadi chekubata kwakasimba kana akawanda akaturikidzana (hapana gap, kuderedza kusangana kuramba); Iyo "inoenderera mberi yekukungurusa" yechigayo inotenderedza inogona kuzadzisa kugadzirwa kwenguva refu coil yemhangura strip (imwe coil kureba kwe500-1000m), ichisangana nezvinodiwa zvebatch gungano remagetsi ekuchengetedza masisitimu uye kutsiva yechinyakare "stamping uye kucheka" yakapararira maitiro ekugadzirisa (kuwedzera kushanda neanopfuura 30%).

2. "Micro conductive connectors" yeimba yekuchengetedza simba makabati

       Zvinodiwa zvekushandisa: Iyo imba yekuchengetera simba kabati (inokwana 5-20kWh) ine vhoriyamu diki, uye kubatana pakati pemukati bhatiri maseru, BMS (bhatiri manejimendi system), uye mainterface anoda "micro conductive connectors". Saizi inowanzoita 3-8mm muhupamhi uye 0.1-0.15mm muhukobvu. Zvinodiwa:

       Iyo dimensional kushivirira idiki zvakanyanya (hupamhi ± 0.02mm, ukobvu ± 0.002mm) kudzivirira kukanganiswa nezvimwe zvikamu;

       Surface tin plating (anti-oxidation, yakakodzera kuderera-kupisa welding process);

       Lightweight (inoderedza huremu hwese hwesimba rekuchengetedza kabati uye inofambisa kuiswa).

       Basa rechigayo chinotenderedza ndere kuburitsa yakamanikana chaiyo yemhangura tambo kuburikidza ne "yakamanikana yakafara kutenderedza chigayo + yakakwirira-chaiyo servo control", uyezve kugadzira zvidimbu zvekubatanidza kuburikidza neanotevera slitting uye tin plating maitiro; Iyo "kurongeka kurongeka" kwechigayo chinotenderedza kunogona kuve nechokwadi chekuenderana kweiyo yekubatanidza ndiro saizi (yekupfuura mwero ≥ 99.5%), kudzivirira kutadza kwekuisa kunokonzerwa nekutsauka kwehukuru (sekutadza kubata uye kusakwanisa kuisa mainterface).

3,Mabhenefiti ekushandisa: Sei iyo indasitiri yekuchengetedza simba ichisarudza photovoltaic welding uye rolling mills?

       Kuenzaniswa neyechinyakare simbi mitsetse yekugadzira michina senge punching muchina uye akajairwa anotenderedza zvigayo, mabhenefiti ekushandisa photovoltaic welding strip rolling mill muindasitiri yekuchengetera simba anonyanya kuratidzwa mumapoinzi matatu:

       Kunyatsoenderana: The ukobvu kushivirira (± 0.003-0.005mm) uye pamusoro roughness (Ra ≤ 0.2 μ m) yesimba rekuchengetedza conductive strip inodiwa kuti ienderane nehurefu hweiyo photovoltaic welding strip, pasina kudikanwa kwekuchinja kwakakosha kune inotenderedza mill. Kungogadzirisa chete mapeji ekutenderera (senge roll gap uye kumhanya) inodiwa kugadzirisa;

       Mutengo wemubhadharo: Iyo "inoenderera mberi rolling process" ye photovoltaic strip rolling mill inogona kuwana yakakura-yakakura kugadzirwa (nemazuva ese ekugadzirwa kwe 1-2 matani pamudziyo). Kuenzaniswa ne "intermittent process" yemashini ekutsikisa, iyo unit chigadzirwa mutengo inoderedzwa ne15% -20%, iyo inosangana neiyo yakakosha kudiwa kweiyo simba rekuchengetedza indasitiri ye "kuderedza mutengo uye kuvandudzwa kwehunyanzvi";

       Kuenderana kwezvinhu: Inogona kukungurutsa zvinhu zvakasiyana semhangura yakachena, copper alloy, nickel plated mhangura, nezvimwewo, kuti isangane nezvinodiwa zve conductivity zvemabhatiri ekuchengetedza simba akasiyana (senge mhangura yakachena yelithium iron phosphate uye copper alloy yekuyerera mabhatiri), pasina chikonzero chekutsiva yakakosha midziyo.