Usho Ukuthini U-Ah Ebhethri?

Isingeniso: Usho Ukuthini U-Ah?

Uma kuziwa ekukhetheni ibhethri yanoma iyiphi idivayisi noma uhlelo, ngokuvamile uzothola igama elithi, "Ah" elimelela i-ampere-hour. Ukuqonda igama elithi "Ah" kubalulekile uma ufuna ukwazi ukuthi ibhethri linganikeza amandla isikhathi esingakanani ngaphambi kokuthi kudingeke ukuthi lilayishwe kabusha. Nakuba igama elithi "Ah" libaluleke kakhulu, abantu abalazi leli gama nomthelela walo esimweni sebhethri nokusetshenziswa.
Uma ilula, i-Ah (ampere-hour) iyindlela esingahlola ngayo ukusetshenziswa kwe-Electric Current ekhishwa ibhethri.Ikhuthaza inani lamandla akhishwa ibhethri. Ngokufanayo, i-Ah rate iyisilinganiso sobude besikhathi sokusebenza kwebhethri kudivayisi yakho.Iyakutshela amandla ebhethri yakho Ngokwesibonelo, une-battery enejubane elingu-10 Ah. Ungasebenzisa leli bhetri ukuze usebenzise noma iyiphi ithuluzi noma imishini nge-ampere eyodwa yamanje amahora ayi-10 noma i-battery inikeze i-ampere eyi-10 yamanje ihora elilodwa.

Okwenza U-Ah Abaluleke Ekuqhutshweni Kwebhethri

Kusobala ukuthi umthamo webhethri uthinta amahora okusebenza kwanoma yimuphi umshini noma imishini. Inani elithi Ah liyisimiso esibalulekile sokuqhathanisa. Lokhu kubaluleke kakhulu kumadivayisi nezinhlelo ezifana nama-smartphone, izimoto zikagesi, kanye nezisombululo zokugcinwa kwamandla elanga. Ake sibheke ezinye zezicelo ezisetshenziswa kabanzi ngokuqhathanisa inani lazo le-Ah nokusebenza kwebhethri.
Ibhethri elingu-3000mAh (3Ah) ku-smartphone linikeza isikhathi esithile sokusebenza, esiyancipha ngokusetshenziswa okubiza amandla amaningi njengokusebenzisa izinhlelo zokusebenza ezisezingeni eliphakeme noma ukusakaza bukhoma. Ezimweni ezinjalo, udinga ibhethri elinamandla amakhulu angu-5000mAh. Ngokufanayo, ezimotweni zikagesi, ibhethri elingu-50Ah livumela ibanga elikhulu lokushayela kunebhethri elingu-30Ah. Futhi, ohlelweni lwamandla elanga, i-battery enesilinganiso esingu-100Ah ibaluleke kakhulu ukugcina inani elikhulu lamandla. Amahora okusebenza komshini phakathi namahora ngaphandle kokukhanya kwelanga, njengasemini enethayo noma enefu noma ebusuku. Ibhethri elinenani eliphakeme le-Ah liyokwenza izimoto zikagesi, ama-smartphone nezinhlelo zamandla elanga zikwazi ukufinyelela kude kakhulu, zisebenze isikhathi eside futhi zigcine amandla amaningi.

Indlela Yokukhetha Ibhethri Elifanele Ngokusekelwe Ku-Ah

Isilinganiso se-Ah sebhethri sibonisa umthamo webhethri maqondana namandla adingekayo kumadivayisi akho. Nokho, kunezici ezithile okudingeka uziqhathanise nenani elihambisanayo le-Ah lamabhethri kumadivayisi, izingxenye zemishini noma izinhlelo zangaphakathi. Lezi yizinto eziyinhloko okudingeka uzicabangele:
1. ukuhlaziywa Izidingo zamandla: Kumele unqume ukuthi udinga ibhethri ngayiphi injongo, isibonelo, ama-scooter asebenza ngamabhethri noma imishini yezimboni adinga amabhethri aphezulu e-LiFePo4.
2. Ukubamba iqhaza Uhlobo lwebhethri kanye nokwakheka kwalo: Lokhu kubalulekile ekutholeni ukuthi ilungele yini imishini yakho. Naphezu kokukhishwa ngesilinganiso esiphakeme, i-Ah ye-lithium-ion battery yehla kancane, amabhethri e-lead-acid, lapho ekhokhiswa kakhulu, angahle alahlekelwe kakhulu
amandla.
3. Ukuphila okujabulisayo Ubukhulu nezindleko: Amabhethri aphezulu e-Ah angagcina amandla amaningi futhi makhulu, asindayo futhi abiza kakhulu kunebhethri elinenani eliphansi le-Ah.Ukulahlekelwa ukusebenza kahle: Ukulahlekelwa ukusebenza kahle nakho kuyisici esibalulekile futhi kufanele kubhekwe lapho kukhethwa ibhethri elifanele elinamazinga we-Ah Ikhono lebhethri lokugcina inani elithile lamandla, ukusetshenziswa okukhulu, amazinga okukhishwa okusheshayo, namazinga okushisa aphansi kunganciphisa ukusebenza kahle kwebhethri, futhi ekugcineni kufinyelele ekulahlekelweni kokusebenza kahle kwayo.

Indlela yokubala Ukusebenza kahle kwebhethriNgokusekelwe ku-Ah

Singase futhi sibale ukusebenza kahle kokusebenza kwebhethri ngokusebenzisa lezi zindlela ezine.
1. ukuhlaziywa Ukusebenza Kwekholambi
2. Ukubamba iqhaza Isimo Sokulayisha (SoC)
3. Ukuphila okujabulisayo I-Peukert's Equation
4. Ukubamba iqhaza Ukujula Kokukhishwa (DoD)

Ukusetshenziswa Kwe-Ah Ratings Emhlabeni Wangempela
Izinga le-Ah libalulekile lapho kukhethwa ibhethri elifanele lezinhlelo zokusebenza eziningi. Lokhu kungenxa yokuthi la manani abonisa umthamo webhethri futhi abeka ukuthi ibhethri inganikeza amandla amangaki ukuze isebenze ithuluzi. Nazi izibonelo ezimbalwa zendlela amazinga Ah ayisihluthulelo ngayo emikhakheni engafani.

Izinhlelo Zamandla Ezingaxhunyiwe Ku-Grid
Ezimisweni zamandla elanga ezingaxhunyiwe kugridi, ibhethri lokugcina idlala indima ebalulekile ngokuhlinzeka amandla ebusuku noma lapho amandla engakwazi ukukhishwa ngenxa yokungabi nelanga. Amandla agcinwe ebhakethri abalwa njengenani lama-ah ebhange lebhethri.

Ngokwesibonelo, ibhethri elingu-12V, elingu-200Ah ligcina ama-watt-hours angu-2 400 (12V x 200Ah = 2,400Wh). Njengoba kunamandla amaningi kangaka agciniwe, uhlelo lungasebenzisa izinto ezincane ezifana nezibani, iziqandisi namaphampu amanzi ubusuku bonke noma ngezikhathi ezinamafu.

Lapho sikhetha ibhethri yokugcina izinto zesistimu yelanga engaxhunyiwe kugridi, kudingeka sibheke ukubalwa kwayo kwe-Ah kanye nokusetshenziswa kwamandla kwegajethi ezosetshenziswa kanye nesistimu kanye ne-solararray engakwazi ukushaja kabusha ibhethri. Amabhethri akhethwa ngokusho kwesidingo se-Ahrating; uma ukubalwa kwe-Ah kwebhethri kuphezulu, khona-ke kugcinwa amandla amaningi futhi kusatshalaliswe ukuze lokhu kuthatha usayizi omkhulu nesisindo esikhulu sebhethri. Elinye igama okufanele liqashelwe ekuphatheni amabhethri ukujula kokukhishwa kwebhethri (DoD) lapho ngokuvamile kungafanele sisebenzise ibhethri kumkhawulo ophansi njengoba impilo yebhethri ithinteka yilokho.

Izimoto Ezisebenza Ngogesi (EVs)
Ukubalwa kwe-Ah kunokubaluleka okukhulu ekunqumeni ibanga nokusebenza okuphelele kwemoto njengoba kuphathelene nenani lokushaja elingalondolozwa kumabhethri emoto kagesi. Ibanga lokulinganisa i-Ah lemoto kagesi lisuka ku-30Ah liye ku-100Ah noma ngaphezulu, kuye ngemodeli yemoto. Futhi, ibhethri elingu-60Ah lingasiza imoto ukuba ihambe cishe amamayela angu-100, futhi ibhethri elingu-100Ah lingenza imoto ihambe amamayela angu-160 ngaphambi kokuba iphele futhi idinge ukushaja.
Nokho, ibhethri le-Ah linganikeza umsebenzisi ibanga elide kodwa ekugcineni lizokwandisa izindleko eziphelele zemoto kanye nesisindo sayo. Ngakho-ke, nakuba benikeza ukukhetha okwengeziwe, abakhiqizi bezimoto kumelwe futhi balinganise isisindo, izindleko, nokuphila kwebhethri elisetshenzisiwe. Isisindo salawa mabhethri singathinta ukusebenza kahle kwemoto. Ngaphezu kwalokho, kunezinye izinto eziningi zangaphandle eziholela ekutheni amabanga angempela ezimoto zikagesi angabi njengoba kuhlongozwayo. Ngokwesibonelo, imikhuba yokushayela, indawo, nezimo zezulu.

I-UPS (Uninterruptible Power Supply)
Izinhlelo ze-UPS zisebenzisa ibhethri elinenani le-Ah ukunquma ukuthi idivayisi inganikeza amandla okuvikela isikhathi esingakanani uma kwenzeka kunokuhluleka kukagesi. Lapho i-Ah ikhuphuka, yilapho umshini uzonikeza amandla amaningi. Ngokwesibonelo, ibhethri elingu-12V, 7Ah lingagcina ideskithophu isebenza amahora ambalwa kanti ibhethri elikhulu elingu-12V, 50Ah lingasekela amadivayisi amaningi isikhathi eside.Lezi zinhlelo zibalulekile ekuvikeleni izinhlobo ezibucayi zemishini efana namaseva, amadivayisi ezokwelapha,
Umthamo webhethri kufanele uhambisane ngokuyinhloko nokusetshenziswa kwamandla wedivayisi kanye nedivayisi esekelwayo. Ukuqagela ngokweqile noma ukwehlisa amandla amabhethri kungaholela ekungabikho kokuthengiswa noma izindleko ezengeziwe. Uhlelo lwe-UPS olunamazinga aphezulu e-Ah lunikeza ukuvikelwa okwengeziwe futhi lusebenza ngokukhethekile ezimbonini ezidinga ukusebenza okuqhubekayo ngaphandle kokuphazamiseka.

Amathuluzi Amandla
Ngokuvamile, amabhethri asebenza kumadivayisi, njengama-drill angenazintambo, amasago, nama-lawnmower, ayalayishwa. I-Ah, iyunithi yokushaja kagesi, iyisici esinqumayo esisiza ekuhloleni ukuthi amathuluzi azosebenza isikhathi esingakanani uma eshaja kanye. Amabhethri amathuluzi kagesi anenani le-Ah elivela ku-2.0Ah kuya ku-5.0Ah. Lapho i-Ah yethuluzi ikhulu, liyohlala isikhathi eside kunoma yikuphi ukusetshenziswa kwalo. Lokhu, nakho kuyodinga izikhathi ezimbalwa zokushaja. Isigayo esiyindilinga nezinye izinsimbi ezinamandla amakhulu zigcina isikhathi eside kakhulu ngebhethri elingu-5.0Ah uma kuqhathaniswa nebhethri elingu-2.0Ah.
Nakuba ibhethri eliphakeme le-Ah lifanelekile kunoma iyiphi ithuluzi elisetshenziswa isikhathi eside, ithuluzi livame ukuba likhulu futhi lingakhululeki. Futhi, kungase kuthathe isikhathi eside ukuba idivayisi ilayishwe kabusha.

Izici Ezithinta Izinga Le-Ah Emabhethri
Ukubalwa kwe-Ah kwebhethri kungakutshela okuningi ngekhono lebhethri lokugcina amandlaNoma kunjalo, ukuba nekhono elilinganisiwe le-Ah akuyona into ibhethri elikwazi ukuyikhipha.Kudingeka kubhekwe izici ezihlukahlukene lapho kuhlolwa ukusebenza nokusebenza kahle kwe-battery kanye nokufakwa kwayo kwe-Ah. Izici ezinjalo zihlanganisa izinga lokushisa, izinga lokukhishwa kanye nokujula kokukhishwa, kanye ne-chemistry yebhethri.

Izinga lokushisa
Ukuxhomeka kokushisa ekusebenzeni kwebhethri kubalulekile kakhulu. Izinga le-Ah elisebenza kahle lebhethri liyancipha ezindaweni ezibandayo. Isizathu salokhu ukwanda kokumelana kwangaphakathi emazingeni okushisa aphansi. Lokhu kwenza ibhethri ligeleze inani elincane lamanjeNgaphezu kwalokho, ukusebenza kwebhethri kunganciphisa kuze kube seqophelweni lokuba kungasebenzi ezindaweni ezibandayo kakhulu. Izinga lokushisa eliphakeme lingakhuphula izinga lokukhishwa, okuholela ekulahlekelweni kwamandla ngokushesha. Ngaphezu kwalokho, amabhethri anamuhla anesikhathi esifushane sokuphila ngaphansi kokushisa okukhulu ngenxa yokusabela okuphezulu kwamakhemikhali ebhethri. Ngakho-ke kubalulekile ukugcina ibhethri ngaphakathi kwebanga lokushisa elifanele. Uma kudingeka, umuntu angasebenzisa izinto zokushisa noma ukuhlukanisa ukuze agcine ukusebenza kahle kwebhethri, lapho evezwe endaweni ebandayo. Ngokuphambene, umuntu angase adinge izinhlelo zokupholisa ukuze aqinisekise ukuthi ibhethri alifudumala ngokweqile ezimweni ezishisa kakhulu.

Izinga Lokukhishwa Nokwehla Okujulile (DoD)
Isivinini lapho ibhethri ikhipha amandla agcinwe kuyo kubizwa ngokuthi isilinganiso sokukhishwa kwayo. Ngokuvamile kukhulunywa nge-C-rate noma inani lezikhathi ibhethri elingakhipha ngalo umthamo walo wonke ngehora. Uma ibhethri linesilinganiso esiphezulu sokukhishwa, khona-ke ibhethri lizokhipha i-Ah ngaphambi kwe Isibonelo, umsebenzisi angahlangabezana kalula nenkinga yokusebenza kahle okuphansi uma ibhethri kufanele isebenze idivayisi yokusebenzisa amandla amaningi njenge-motor kagesi noma idivayisi enamandla amakhulu njengezici zayo.
Ukujula kokukhishwa (DoD) yigama elibhekisela enanini, ngamaphesenti, amandla aphelele ebhethri asetshenziswa ngaphambi kokushaja kabusha. Uma ibhethri likhishwa ngokuphelele, i-DoD kuthiwa ingu-100% kanti uma ikhishwa uhhafu kuphela, i-DoD, kulokhu, ingu-50%. Uma ibhethri livame ukuchayeka ekukhishweni okujulile, impilo yalelo bhethri izoncipha noma ngabe ibhethri okukhulunywa ngayo lalinomkhawulo op Ngakho-ke, ukuze kwandiswe isikhathi sebhethri, kungcono ukusebenzisa ibhethri ngempumelelo, i-DOD ekhuthaziwe ingu-80%futhi ukusetshenziswa okujwayelekile kwamabhethri ethu kungu-90% DOD.

Ukwakheka Kwekhemikhali
Isikhathi sokuzinza sokukhishwa kanye ne-Amp ihora (Ah) elilinganisiwe lamakhemikhali amabhethri ahlukene ayahluka. Amabhethri e-lithium-ion ikakhulukazi amabhethri e-LiFePO4 akhiqizwa yi-HBOWA,agcina amandla ahambisanayo isikhathi esiningi somjikelezo wokukhishwa, ngakho-ke i-Ah rating yabo nayo ihlala izinzile isikhathi eside. Ngakho-ke, amabhethri e-lifepo4 alungele izinhlelo zokusebenza ezifana nokugcinwa kwamandla elanga ngezinjongo zokuhlala, ezentengiselwano nezimboni.
Ngakolunye uhlangothi, amabhethri afana nama-lead-acid batteries angalimala amandla uma ekhipha amandla kakhulu futhi amabhethri anjalo nawo ahlaselwa ukulahleka kwamandla okukhulu ngenxa yesilinganiso esiphezulu sokukhishwa. Amabhethri e-lithium-ion asebenza kahle kakhulu kunamabhethri e-lead-ac Kodwa amabhethri e-lithium-ion aphakeme kunama-lead-acid.

Isiphetho: Kungani Kunendaba
Ah (Ampere-hours) isici esibalulekile esikutshelayo ukuthi ibhethri lingakwazi ukuletha amandla angashintshi isikhathi esingakanani. Kuye ngokuthi hlobo luni lwebhethri olukhethayo Ah kodwa uma ucabangela ukuthi uyisebenzisela izinto zobuchwepheshe, izinhlelo zelanga, izimoto zikagesi njll.
Lapho ukhetha ibhethri, kubalulekile ukuqonda i-Ah rating njengoba ikusiza ukuba wenze isinqumo esinolwazi mayelana nesibalo samandla osifunayo. Ngokuvamile, ama-ampere-hour (Ah) aphezulu asho isikhathi eside sokusebenza. Ezinye izinto ezenzeka ngempela ezifana nokwakheka kwebhethri, izinga lokushisa, nokujula kokukhishwa kwezinto, kuthinta kakhulu ukusebenza kwebhethri. Lapho ukhetha ibhethri, qiniseka ukuthi uyacabangela lezi zici. Khetha ibhethri elikuqinisekisa ukusebenza kahle kakhulu nokusebenza kahle kwezindleko.
I-GreenPower ibilokhu ingumkhiqizi webhethri we-lithium lifepo4 osebenza kahle eChina iminyaka eminingi. Imikhiqizo yethu ifaka amabhethri okugcina amandla ezindlini, amabhethri ezentengiselwano, amasistimu okugcina amandla amabhethri ezimboni, njalonjalo, azinikele ekufakeni ingxenye

Imibuzo Evame Ukubuzwa Mayelana Ne-Ah Ratings Kumabhethri
1. ukuhlaziywa Kusho ukuthini ukuthi 2.0 Ah?
2.0 Ah kusho ukuthi ibhethri inganikeza i-ampere eyodwa amahora amabili noma i-ampere ezimbili zamanje ihora elilodwa.
2. Ukubamba iqhaza Uyini umehluko phakathi kwe-mAh ne-Ah?
i-mAh (milliampere-hour) iyunithi elincane elisetshenziselwa amabhethri amancane. I-Ah isetshenziselwa amabhethri amakhulu ezinhlelweni ezinkulu njengezimoto nezitshalo zelanga.
3. Ukuphila okujabulisayo Ngingakwazi yini ukusebenzisa ibhethri elinenani eliphakeme le-Ah kunalokho okudingekayo?
Yebo, futhi kwezinye izimo, i-Ah ephakeme iyoholela ekukhishweni okukhulu, ibhethri enzima, intengo ephakeme, nosayizi omkhulu. Ngokuya ngamandla asetshenziswayo amadivayisi anikwe amandla yibhethri, ibhethri elikhulu le-Ah liyonikeza isikhathi eside sokusebenza phakathi kokushaja. Nokho, ama-Ahs aphakeme awahlali edingeka kumadivayisi aphansi.
4. Ukubamba iqhaza Ukushisa kumthinta kanjani u-Ah?
Izinga lokushisa lokusebenza kwe-lifepo4 battery yethu lisukela ku-0'c kuya ku-55'C (~32'F - 131°F),futhi ibanga lokushisa lokukhishwa lisuka ku-20'c kuya ku-55°C (~-4'F - 131°F) ngale kwalezi zingqimba i-Ah esebenzayo iphansi