Ukadaulo Wosamutsa Mphamvu Zopanda Waya Pakupanga Ma Charger
Kupanga zipangizo zamagetsi monga mafoni a m'manja, ma watchwatch, ma earbud, ndi zipangizo zamakono zapakhomo kwapangitsa kuti pakhale kufunikira kochaja kogwira ntchito kwambiri. Chifukwa cha kuyenda kwambiri, ogwiritsa ntchito safunanso kudalira zingwe zomwe zimakangana, kutha, kapena kusagwiritsidwa ntchito mosavuta. Chifukwa chake, kusamutsa mphamvu zopanda zingwe (WPT) kwakhala njira yatsopano pakupanga ma charger amakono. Ukadaulo uwu umalola mphamvu zamagetsi kusamutsidwa kuchokera ku gwero lamagetsi kupita ku chipangizo popanda kulumikizana mwachindunji, kungoyika chipangizocho pa pedi inayake kapena malo oimikapo magalimoto.
1. Kumvetsetsa Kutumiza Mphamvu Yopanda Waya
Kusamutsa mphamvu yamagetsi opanda waya ndi njira yosamutsira mphamvu yamagetsi kuchokera ku chotumizira kupita ku cholandirira popanda kufunikira zingwe. Pankhani ya ma charger, chotumizira nthawi zambiri chimakhala pa choyatsira kapena choyimilira, pomwe cholandirira chimakhala mu chipangizocho (mwachitsanzo, gawo lolandirira mu foni yam'manja). Chipangizocho chikayikidwa pa chotumizira, mphamvu imasamutsidwa kudzera mu gawo lamagetsi, kenako nkusinthidwa kukhala magetsi kuti ipereke mphamvu ya batri.
Ubwino waukulu wa WPT ndi wosavuta kugwiritsa ntchito komanso kuchepa kwa ma port. Komabe, kukhazikitsidwa kwake kumafuna kapangidwe kabwino ka zamagetsi kuti zitsimikizire kuti zikugwira ntchito bwino, chitetezo, komanso kugwirizana ndi zida zosiyanasiyana.
2. Mfundo Zoyambira Zogwiritsira Ntchito Pochaja Opanda Waya
Ma charger ambiri opanda zingwe omwe alipo pano amagwiritsa ntchito mfundo ya electromagnetic induction. Njira yake ndi yofanana ndi transformer, koma ili ndi mpata wa mpweya pakati pa ma coil awiriwa.
1. Mphamvu yamagetsi ya AC imayenda kudzera mu cholumikizira chotumizira chomwe chili pa choyatsira.
2. Mphamvu yamagetsi imapanga mphamvu ya maginito yosinthasintha.
3. Mphamvu yamaginito iyi imayambitsa magetsi mu coil yolandirira mu chipangizocho.
4. Mphamvu yamagetsi yomwe imachokera imakonzedwa ndikuwongoleredwa kuti ipereke mphamvu ya batri mosamala.
Chifukwa cha kusiyana kwa mpweya ndi kusintha komwe kungachitike pakati pa chotumizira ndi cholandirira, mphamvu ya WPT nthawi zambiri imakhala yotsika poyerekeza ndi ya ma charger a waya. Chifukwa chake, kapangidwe ka ma coil, kuchuluka kwa ntchito, ndi kuwongolera mphamvu ndizofunikira kwambiri.
3. Mitundu ya Kutumiza Mphamvu Yopanda Waya kwa Ma Charger
Pakupanga ma charger opanda zingwe, pali njira zingapo za WPT zomwe zimagwiritsidwa ntchito:
a) Kulumikiza Kothandizira
Iyi ndi njira yodziwika kwambiri yogwiritsira ntchito ma charger a foni yam'manja. Mtunda wosamutsa mphamvu ndi waufupi (nthawi zambiri umakhala mamilimita angapo mpaka pafupifupi 1 cm). Muyezo wotchuka wa Qi umagwiritsa ntchito njira iyi. Ubwino wake ndi kukhazikika, chitetezo, komanso kupanga zinthu mosavuta. Vuto lake ndilakuti chipangizochi chiyenera kuyikidwa bwino kuti chikhale chochajidwa bwino.
b) Kulumikizana Kogwirizana Kogwirizana
Njirayi imagwiritsa ntchito resonance pakati pa transmitter ndi receiver coils kuti iwonjezere kugwira ntchito bwino pa mtunda wautali pang'ono ndikukwaniritsa bwino malo olumikizirana. Resonance imalola kusamutsa mphamvu moyenera ngakhale pamene kulumikizana sikuli bwino. Njirayi nthawi zambiri imagwiritsidwa ntchito pazida zomwe zimafuna malo osinthasintha.
c) Kusamutsa Mphamvu ya RF/Maikrowevu
Njira iyi imasamutsa mphamvu pogwiritsa ntchito mafunde a wailesi. Ubwino wake ndi wautali, koma mphamvu yomwe imasamutsidwa nthawi zambiri imakhala yochepa, ndipo nkhani zowongolera ndi chitetezo zimakhala zovuta kwambiri. Pa ma charger a mafoni amphamvu kwambiri, njira ya RF imagwiritsidwabe ntchito kwambiri.
d) Mphamvu Yokwanira (Kusamutsa Mphamvu Yokwanira)
Kugwiritsa ntchito magetsi m'malo mwa maginito. Ngakhale kuti ndi kokongola, popeza ma electrode amalowa m'malo mwa ma coil, kugwiritsa ntchito moyenera kumakhala kovuta kwambiri pamlingo wapamwamba wamagetsi, ndipo nkhani zachitetezo ndi zosokoneza zimafunikanso chisamaliro chapadera.
4. Qi Standard ndi Chipangizo Chachilengedwe
Pokambirana za ma charger opanda zingwe a zipangizo zamagetsi, muyezo wa Qi (wotchedwa "chee") wochokera ku Wireless Power Consortium ndiwo wofunika kwambiri. Muyezo uwu umalamulira zinthu monga:
- njira yolumikizirana pakati pa pedi ndi chipangizo,
– ma profiles amphamvu (monga 5W, 7,5W, 10W, 15W, ndi zina zotero),
- chitetezo cha kutentha ndi kuzindikira zinthu zakunja (FOD),
- kugwirizana pakati pa makampani.
Ndi muyezo uwu, opanga ma chaja amatha kupanga chinthu chimodzi chomwe chimagwirizana ndi zida zingapo, motero zimathandiza kugwiritsa ntchito ukadaulo m'gulu.
5. Zigawo Zazikulu Pakupanga Charger Yopanda Waya
Kupanga chojambulira cha WPT sikungokhudza kukhazikitsa koyilo yokha. Zigawo zingapo zofunika zimagwirira ntchito limodzi:
1. Mphamvu yolowera ndi yowongolera
Kawirikawiri imalandira USB input (5V/9V/12V) ndipo imaikhazikitsa kuti igwirizane ndi zosowa za dalaivala.
2. Choyikira chosinthira/choyendetsa
Imasintha DC kukhala chizindikiro cha AC cha pafupipafupi kwambiri kuti iyendetse coil yotumizira.
3. Cholumikizira cholumikizira (cholumikizira cholumikizira)
Kapangidwe ka koyilo (m'mimba mwake, kuchuluka kwa ma turn, makulidwe a waya/litz) kumakhudza kwambiri magwiridwe antchito ndi kutentha.
4. Kulamulira IC & kulankhulana
Amalamulira mphamvu kutengera kulumikizana ndi wolandila, kuphatikiza kukambirana za mphamvu ndi kuwongolera kwa magetsi/magetsi.
5. Chitetezo
Zimaphatikizapo chitetezo champhamvu kwambiri, mphamvu yamagetsi yochulukirapo, kutentha kwambiri, ndi FOD kuti zinthu zazing'ono zachitsulo zisatenthe.
6. Zipangizo zoteteza ndi zotetezera
Mapepala a Ferrite nthawi zambiri amagwiritsidwa ntchito poyang'ana mphamvu zamaginito ndikuchepetsa kutayika kwa mphamvu ndi kusokonezeka kwa EMI.
6. Mavuto Okhudza Kapangidwe: Kuchita Bwino, Kutentha, ndi Kugwirizana
Ngakhale kuti n'zosavuta, ma charger opanda zingwe ali ndi zovuta zapadera zomwe sizimafala kwambiri ndi ma charger a waya:
- Kugwiritsa ntchito bwino mphamvu
Kusalinganika bwino kwa coil, mtunda wochulukirapo, kapena chivundikiro chokhuthala kungachepetse magwiridwe antchito. Kugwiritsa ntchito mphamvu zochepa kumatanthauza kuti mphamvu ina imasinthidwa kukhala kutentha.
- Kusamalira kutentha
Kutentha kumatha kusonkhana pa pad ndi chipangizocho. Chifukwa chake, opanga amawonjezera masensa otenthetsera kutentha, mphamvu yosinthira, ndi mapangidwe a chivundikiro chokhala ndi kutentha koyenera.
- Kulinganiza (malo a chipangizo)
Kuchaja bwino kumafuna malo oyenera. Pofuna kuthetsa vutoli, machaja ena amagwiritsa ntchito kapangidwe ka multi-coil kapena makina a maginito (mwachitsanzo, njira zina zochajira maginito pafoni zina).
- Kusokoneza kwa maginito (EMI)
Zizindikiro zama frequency apamwamba zimatha kusokoneza zida zina ngati chitetezo chili choipa. Kapangidwe ka PCB, kapangidwe ka zigawo, ndi zosefera ndizofunikira kwambiri.
7. Mbali za Chitetezo: Kuzindikira ndi Kuteteza Zinthu Zakunja
Chinthu chimodzi chofunikira cha ma charger opanda zingwe ndi Foreign Object Detection (FOD). Ngati chinthu chachitsulo, monga ndalama kapena kiyi, chayikidwa pakati pa pedi ndi chipangizocho, mphamvu ya maginito imatha kuyambitsa kutentha. FOD imagwira ntchito poyang'anira kusintha kwa magawo monga kugwiritsa ntchito mphamvu, kuchuluka kwa ma resonant, kapena mawonekedwe a katundu. Ngati pali vuto linalake, charger imachepetsa mphamvu kapena kuyimitsa kuyatsa.
Kuphatikiza apo, chitetezo cha kutentha pa zipangizo ndi ma pad n'chofunikira kuti batri lizigwira ntchito bwino komanso kupewa zoopsa.
8. Malangizo a Chitukuko: Kuchaja Mofulumira Opanda Waya ndi Zipangizo Zambiri
Ukadaulo wa WPT ukupitilizabe kusintha kuti:
- mphamvu yowonjezereka yofulumizitsa kuchaji,
- kugwiritsa ntchito bwino ma coil ndi zipangizo zatsopano,
- kuyatsa zipangizo zambiri (monga chojambulira chimodzi cha foni, wotchi, ndi mahedifoni),
- kuphatikiza mipando ndi magalimoto monga matebulo, ma dashboard a magalimoto, kapena malo opezeka anthu ambiri.
Mu magalimoto amagetsi ndi zida zamafakitale, WPT ikuyambanso kugwiritsidwa ntchito pazinthu zomwe zimafuna kulimba kwambiri komanso zolumikizira zochepa zomwe zimakhala pachiwopsezo cha madzi kapena fumbi.
9. Kesimpulan
Ukadaulo wosamutsa magetsi opanda zingwe wasintha momwe timaonera kuyatsa magetsi, kuchoka pa kudalira zingwe kupita ku kukhala kosavuta komanso kothandiza. Pakupanga kuyatsa magetsi, WPT imafuna mgwirizano pakati pa kapangidwe ka ma coil, ma driver circuitry, power control, chitetezo, ndi kasamalidwe ka kutentha. Miyezo monga Qi imalimbikitsa kugwirizana kwakukulu, zomwe zimathandiza makampani kuti ayambe kugwiritsa ntchito kuyatsa magetsi opanda zingwe mwachangu.
Kupita patsogolo, kusintha kwa magwiridwe antchito, kuwongolera kutentha, ndi zida zochajira mwachangu kudzawonjezera ma charger opanda zingwe ngati yankho lalikulu. Ndi kupitilizabe kwatsopano, ndizotheka kuti tidzawona kuchajira opanda zingwe kukhala muyezo wokhazikika pazida zambiri, ngakhale kuphatikizidwa mwachilengedwe m'malo atsiku ndi tsiku monga ma desiki, magalimoto, ndi malo opezeka anthu ambiri.
Ngati mukufuna, nditha kusintha nkhaniyi kukhala mtundu waukadaulo (monga kukambirana za ma frequency operating, inverter topologies, litz wire coil designs, ndi Qi parameters) kapena mtundu wotchuka kwambiri kwa owerenga ambiri.
