Ukushintshwa kwemisebe ukufakwa kokumqoka kuphela ukuze amabhethri lithium: imfundo

Ukushintshwa kwemisebe ukufakwa kokumqoka kuphela ukuze amabhethri lithium kunengqondo. Inzuzo yayo siwukuthi kwabantu enkulu kagesi. Ngenxa yalokho, kokufaka thuluzi emzimbeni ukufakwa kokumqoka kuphela, singakufinyelela ukwanda ubude ithuluzi izikhathi eziningana. Lamanje ukushaja ngesikhathi lithium amabhethri kwamandla aphezulu, ikakhulukazi ukulungiswa entsha ke ongafinyelela 1-2 C. Ashona idivayisi ezifana ikani ihora elingu-1 ngaphandle overestimating imingcele Kunconywa ngumkhiqizi hhayi ngiyajabula izinga umkhiqizo.

kanjani lithium amabhethri?

Iningi kumadivayisi we lithium kuqukethwe bezinhlamvu prismatic, kodwa ezinye onobuhle abe ukuma cylindrical. Ngo amabhethri babesebenzisa roller electrode futhi separators. Leli bhokisi senziwa aluminiyamu noma steel. Isigxobo omuhle iya ikhava izindlu.

Esikhathini ukucupha prismatic, le electrode isimo amapuleti unxande. Ukuqinisekisa ukuphepha kudivayisi ibhethri enikeziwe, esebenza Umlawuli zonke izinqubo, avule wesifunda lapho izimo ezibucayi. Ukubekwa uphawu ngcono izindlu akusho kuvuze, kanye electrolyte ukuze ukungena nomoya-mpilo nomswakama.

Iziphi izinyathelo okufanele sikhunjulwe ukugwema umonakalo lithium ibhethri?

• Ngenxa ukulinganiselwa icala ubuchwepheshe Inkomba lithium amabhethri akufanele futhi iyophakama kuno-4.25-4.35 V. Le osenyameni makangeluli uhlu 2.5-2.7. Lesi simo kuvezwa ishidi idatha ngemodeli ngayinye. Lapho eziyihaba letindlela tekuphila, wena kungalimaza lisebenze. Sebenzisa abalawuli ekhethekile, inkokhiso kokukhwehlela, okuyinto silondoloze voltage at yeseli lithium ku uhla evamile. Ukushintshwa kwemisebe ukufakwa kokumqoka kuphela ku ibhethri lithium ne Ukuvikelwa isilawuli kudivayisi ukungasebenzi.
• Inkomba voltage ka lithium amabhethri kuyinto ukuphindaphinda kwe-3.7 V (3.6 V). Ngo Ni-MH-onobuhle bangamaphesenti 1.2 V Lesi senzakalo wachaza. voltage Kulinganiswe ngo amadivayisi lithium lilondolozwe yeseli ehlukile. Lithium Battery 12 volt wake ababebuthene ngeke. Ihlelo kuyoba 11.1 V (ezintathu iseli ezilandelanayo) noma 14.8 (ezine cell elandelanayo). Ngaphezu kwalokho, izinga voltage ukushintsha kwezinkathi lithium cell ngesikhathi ukusebenza ngesikhathi icala okugcwele 4.25 V, futhi ocucuzayo egcwele - 2.5 V. Le bo-3 ukubonisa (3 serial - kwakwakhe ezintathu ezilandelanayo) izoshintsha ngesikhathi ukusebenza kudivayisi 12.6 Ngo (4,2h3) 7.5 V (2,5h3). Ukuze 4S-ukumisa, le ngxenye zokhahlamba kusuka 16.8 kuya ku-10 V
• Ukushintshwa kwemisebe ukufakwa kokumqoka kuphela ku lithium amabhethri 18650 (iningi imikhiqizo has ncamashi lokhu usayizi) kudinga ikhumbula umehluko ngobukhulu ne Ni-MH-cells. I ububanzi we cell 18 650 18 mm kanti ukuphakama 65 mm. Kubalulekile ukubala ukuthi zingaki amaseli zizongena kuleli cala. Kufanele kukhunjulwe ukuthi model nge namandla 11.1 ngeke udinga inani lamaseli, ukuphindaphinda kwe ezintathu. Ukuze onobuhle ephethe namandla 14.8 - ezine. Namanje kudingeka uvumelane isilawuli ukushintsha izintambo.
• Kuvele apharathasi wayeqamba ibhethri esekelwe lithium ihlukile kwedivayisi kwamanethiwekhi Ni-MH-ukulungiswa.

Lesi sihloko sizohlola indlela sokuguqula we ukufakwa kokumqoka kuphela kuya lithium amabhethri Li-Po. Ithuluzi pair igcwaliswe amabhethri Ni-MH-elishajekayo nge voltage inkomba 12 kanye umthamo 2.6 Ah. Ukulungiswa ezocatshangelwa ukufakwa kokumqoka kuphela Hitachi. Lithium amabhethri sifake eside wezinsimbi zomculo.

Ukukhetha voltage ukalwe

Into yokuqala ukucacisa kukhethwa okuzisholo voltage inkomba idivayisi esekelwe lithium. Ukukhethwa kufanele ungenelwe phakathi bo-3-imodeli (voltage yayo lebanga ukusuka 12.6 7.5) kanye 4S-Li-Ion-ibhethri (voltage range - kusuka 16.8 kuya ku-10 V).

Izinzuzo samuntu yesibili

Indlela yesibili ofanele ngokwengeziwe, ngoba lo voltage in ibhethri uwela pretty masinyane kusuka izinga eliphelele esiphansi (kusuka 16.8 kuya 14.8). Ukuze motor kagesi kuka, empeleni, a screwdriver, okwedlula 2.8 akuyona umaka ezibucayi.

Izinga eliphansi kunawo wonke voltage ngesikhathi bo-3-Li-Ion-ukuguqulwa. Kuyinto elilingana 7.5 volts, okuyinto eyanele operation evamile idivayisi kagesi. Ukukhweza izimiselo ezine, sizobe ukwandisa capacitance of ibhethri.

Indlela ukukhetha lithium amaseli?

Ukuze wenze ukukhetha amaseli esekelwe lithium, kufanele abone nokukhawulela izici. Okwamanje ekhiqizwa lithium apharathasi nge value oluvumelekile umthwalo samanje 20-25 A.

Pulsed wamanje (ngeyesikhashana 1-2 imizuzwana) ukufinyelela ukucushwa ibhethri 30-35 AA usuke sengozini.

Bangaki amaseli zizongena kunjalo?

Ukuqoqa 4S2P (uxhumano ezine ezilandelanayo kanye ezimbili okuhambisana) ingavuli. Ukushintshwa kwemisebe ukufakwa kokumqoka kuphela kuya lithium amabhethri 18650 kusikisela ukuba khona amaseli ayisishiyagalombili. abazange ukuhlangabezana kanjani ezine? Iseli ngalinye uyomenzela esiphezulu umthwalo lamanje.

Indlela ukucacisa Inkomba wamanje esiphezulu kule ukufakwa kokumqoka kuphela?

Ukushintshwa kwemisebe ukufakwa kokumqoka kuphela 12b ukuze amabhethri lithium kuhilela yokuxhuma idivayisi laboratory ne ugesi inkomba overcurrent limiter 30 A. isilawuli ku seqiwe. Ufaka ugesi voltage ezingeni eduze ukalwe ibhethri inkomba sikhatsi lesitako kusukela bushelelezi inhlamvu silingo. Lamanje idliwe yi-screwdriver, ukuze ifike ezingeni 5 A kufanele manje ngokucijile ziyasiqhumisa. Lokhu isekhethi ugesi wesifunda. umthamo yamanje ifinyelela 20-30 A. Mhlawumbe niwubone umzimba wakhe kungaba kakhulu kunalokhu, kodwa amandla ugesi ngeke ukukulungisa. Lokhu kuyoba emfushane umthwalo lamanje nge ukufakwa kokumqoka kuphela abukhali sicindezelwe inhlamvu. Noma yimuphi imodeli sedivayisi iyosabela efanayo.

Lokhu kulandelwa ichopho ukufakwa kokumqoka kuphela ukuze ukunqanda Vise uqaphele ukuthi amanani kuzokhulisa ukusetshenziswa wamanje ngesikhathi ukusebenza lapho ratchet ukufakwa kokumqoka kuphela isebenza. isibonisi wamanje kulesi simo kwandisa kuze 10-12 A.

Ngakho kungenzeka ukunquma ubukhulu wamanje umthwalo. Kulesi simo ilingana 5 A ngesikhathi angomahlalela 30 at ekuqaleni abukhali futhi ngesikhathi umthwalo esiphezulu 12 A. Umenzi kufanele ukhetha iseli lithium, umthwalo okuzisholo ingxenye zamanje okuzoba 10-20 A, ishayela - 25-30 A.

Indlela ukukhetha isilawuli?

Ngakho, kukhona kabusha kwakhono lika we ukufakwa kokumqoka kuphela ukuze amabhethri lithium. I okuzisholo idivayisi ukushaja ngempela edingekayo. Lapho ekhetha isilawuli, uqaphele ukuthi ithuluzi kufanele afinyelele izimfuneko ezimbili:

• inkomba ukalwe yokusebenza voltage;
• inkomba okuzisholo yokusebenza yamanje.

yonke into icacile ne voltage: uma ibhethri 11.1 V ke isilawuli kuyoba nge uhlobo olufanayo.

Umqondo "okuzisholo yokusebenza yamanje" ikhuluma ngomthamo ukuvikela ikhono ebhodini. Ngakho, isilawuli 4 A yakhelwe uphawu zamanje 4 A, kanye exponent A 8 umthwalo ezengeziwe ibekwe kuye. Kulokhu, idivayisi ukuphepha. Zonke lezi idatha yomsebenzi osizayo ezishiwo ishidi idatha ye isilawuli ngamunye ukuguqulwa. Ngakho omunye ukuguqulwa ungase ube zamanje umkhawulo inkomba 30A, kanye nezinye - 50 A. Futhi zombili lezi amadivaysi kuyoba efanelekayo operation esisemthethweni. Futhi, uma udala ibhethri lithium has a komkhawulo ngosayizi. Ngakho-ke kuyadingeka ukuba zithole isilawuli, okuzokwenza ulingane nezindlu amabhethri ubudala.

Disassembly futhi godu

Ukushintshwa kwemisebe ukufakwa kokumqoka kuphela ukuba ibhethri lithium kuhlanganisa izinyathelo ezilandelayo:

• Kuyadingeka ukuba uvule ibhethri endala unscrewing ngezikulufo ezinhlanu.
• Okukhishwa ezinhlamvwini izindlu Ni-MH-ibhethri. Kuyoba sobala ukuthi pad e ukumbambisana ukufakwa kokumqoka kuphela contact iqembu, is eziphothene kuze kube ukuphela engakhi omunye Ni-MH-cells. indawo welds ukuba ahlukaniswe ngu ithuluzi nge edidiyele itshe ahlabayo kuwo DREMEL 4000.
• Izintambo kuthiwa soldered terminals, isigaba engesiyo esingaphansi 2 mm ² amandla terminals 0.2 mm ² okwesikhathi thermistor. Pad Kunamathiselwe ku ibhethri esebenzisa hot ncibilikisa Yesigcilikisha.
• Ngokuya ukumelana yangaphakathi imitha ukhethe amaseli ezine. Inani kumele kube kuwo wonke amadivayisi ezine okufanayo.
• Lithium amaseli ethe njo ne ncibilika ashisayo ukuze zisekujuleni ku compact bezinhlamvu.
• Welding amaseli Kwenziwa emshinini i-Welding by ukumelana Welding isiqeshana nickel (inkomba kwesigaba yayo cross kufanele alingane 2x10 mm).

Ukubeka ibhodi Ukuvikelwa

Lesi sinyathelo ongabonisa kangakanani lula Umklamo lithium ibhethri. kudivayisi Isisindo Ni-MH zazilingana 536 isisindo idivayisi entsha lithium kuyinto 199 amagremu, kuyoba ngempela kangako. Iqhawe wakwazi ukunqoba 337 Kulokhu, ukwanda amandla umthamo.

Ibhethri aboshelwe izindlu. Igebe egcwele impahla esithambile kwi isembozo.

Ixhuma ukufakwa kokumqoka kuphela

• I abukhali edonsa inhlamvu kuphakamisa ukusebenza esivikelo indlela yamanje. Kodwa eqinisweni, umbuso zokuzivikela enjalo akunakwenzeka ukuba okudingekayo uma usebenzisa ithuluzi. Uma ungenalo ukuyithukuthelisa Ukuvikelwa ngokuqondile, ukusebenza kwe-screwdriver liyoqina.
• Ichopho kufanele imisipha. amandla webhethri etholakalayo icuphe ratchets ukuthi ubeke umkhawulo ukwanda kwenani ematfuba torsion.
• ukufakwa kokumqoka kuphela Lithium Ibhethri lingashajwa ukuba umthwalo electronic. ukuchithela inkomba zamanje kufanele kube 5 A.
• Ibhethri sifakwe memory njalo. ukushaja inkomba wamanje lapho kulinganiswa 3 A, kwamukelekile ngoba yeseli lithium. Ukumisa LG INR18650HG2 icala kuba wamanje lungene 4 A, okuyinto kuvezwa Ukucaciswa.

Singakanani isikhathi kuyadingeka ukuthi ushintshe ibhethri ngelinye?

Ukushintshwa kwemisebe ukufakwa kokumqoka kuphela ukuze amabhethri lithium kuzothatha cishe amahora angu-2. Uma zonke imingcele, bese kudingeka 4:00 oyokwenziwa.

Konke kungenziwa ngaphandle kosizo omunye umuntu. Kodwa ukumelana Welding kanye nokukhethwa amabhethri ngaphandle imishini ephambili ngeke abambelele.

Yini angasahlolwa ngaphezu isilawuli ukushaja?

Kwaqhubeka ekuguqulweni ukufakwa kokumqoka kuphela ku lithium amabhethri. Isikhathi esigcwele ukushaja, afakwa umzimba, ukhetho ekahle. Kodwa izindleko isilawuli impela high. Idivayisi izobiza $ 30, okulingana izindleko ibhethri uqobo.

Ukuze ukuhlola kwebhethri izinga lithium ekuhambeni, ngaphandle kokusebenzisa ishaja, ungasebenzisa ekhethekile inkomba RC indiza Lipo ibhethri AKKU ephathekayo imitha voltage umhloli alamu 2-6S AOK. iyunithi izindleko sincane kakhulu. Anakho efanayo kudivayisi iMax6 isixhumi sekulinganisa futhi ukushaja. Ukuze iyunithi ibhethri ixhunyiwe ngokusebenzisa i-adaptha. Le divayisi ukulawula ezingeni voltage Kuyinto elula kakhulu. Lokho kungasilimaza singenakulinganiswa besebenzisa amangqamuzana amabili kuya kwayisithupha ngokulandelana oxhumene of lithium, kanye Imiphumela ikhomponethi ukwengezwa noma voltage weseli ngayinye ngokunemba okuphelele.

Singakanani ngeke Kubiza esikhundleni Ni-MH-lithium-kudivayisi?

Ayikho izindleko imali kuzodinga ukushintsha kwezinzwa ukufakwa kokumqoka kuphela ku ibhethri lithium?

Intengo sedivayisi sinjalo izindleko izingxenye eziningana:

• 4S-ukucushwa kwe-ibhethri esekelwe lithium kuyinto p 2200.
• ukuthenga isilawuli wayeqamba nokudisishaja ibhalansi plus izindleko 1240 p.
• izindleko Welding futhi inhlangano yama-800 k.

It kuvela ukuthi ibhethri lithium, enziwe ngezandla zakhe, obohoditsya e 4240 k.

Ukuze uqhathanise, thatha ukucushwa efanayo ukukhiqizwa lithium endaweni yokukhanda. Ngokwesibonelo, kudivayisi Makita 194065-3 kuhloswe screwdriver. It has nemingcele efanayo. Izindleko thuluzi kuyinto 6500 k. It kuvela ukuthi ukushintsha kwezinzwa ukufakwa kokumqoka kuphela ukuze amabhethri lithium silondoloza 2300 k.