Labarai

Eriyar RFID wani muhimmin sashi ne don gane aikin karatun na'urar kayan aikin RFID.Bambancin eriya kai tsaye yana shafar nisan karatu, kewayo, da sauransu, kuma eriya muhimmin abu ne da ke shafar ƙimar karatun.Antenna naMai karanta RFIDza a iya keɓance galibi zuwa polarization na layi da kuma madauwari mai ma'ana bisa ga yanayin makamashi.

Polarization na eriya yana nufin doka cewa shugabanci na filin lantarki yana canzawa tare da lokaci a cikin matsakaicin hasken hasken eriya.Tsarin RFID daban-daban suna amfani da hanyoyin polarization na eriya daban-daban.Wasu aikace-aikacen na iya amfani da polarization na linzamin kwamfuta, alal misali, akan layin haɗin gwiwa, matsayin alamar lantarki yana gyarawa, kuma eriya ta alamar lantarki na iya amfani da polarization na layi.Amma a mafi yawan lokuta, tun da ba a san inda alamar na'urar lantarki ba, yawancin tsarin RFID suna amfani da eriya mai da'ira mai ma'ana don rage hankalin tsarin RFID zuwa yanayin alamar lantarki.Dangane da sifar yanayin, ana iya rarraba polarization zuwa polarization na layi, da'ira da madauwari da kuma elliptical polarization, daga cikinsu ana amfani da polarization na madaidaiciya da madauwari.

RFID eriya madaidaiciyar layi

Wutar lantarki da eriyar mai karantawa na eriya mai ɗaiɗai-ɗai ta layi mai layi ce, kuma filin ta na lantarki yana da ƙaƙƙarfan shugabanci, kuma yana da halaye masu zuwa:
1) Ana fitar da makamashin mitar rediyo daga eriya ta hanyar layi;
2) Ƙarƙashin layi yana da filin lantarki na unidirectional, wanda ya fi ƙarfi fiye da eriya mai madauwari, amma kewayon ya fi kunkuntar kuma ya fi tsayi;
3) Idan aka kwatanta da eriya mai madauwari, nisan karatun hanya ɗaya ya fi tsayi, amma saboda ƙarfin kai tsaye, faɗin karatun ya fi kunkuntar;
4) Tags (Abubuwan Ganewa) waɗanda aka daidaita don jagorancin ƙayyadaddun tafiya

Lokacin da alamar RFID ta yi daidai da eriyar mai karantawa, eriyar da aka haɗa ta layi tana da mafi kyawun ƙimar karatu.Don haka, ana amfani da eriya ta layi gaba ɗaya don karanta alamun waɗanda aka san hanyar tafiya, kamar pallets.Tunda igiyar igiyar igiyar lantarki ta eriya ta iyakance ga kunkuntar kewayo a cikin girman jirgin eriyar mai karatu, makamashin yana da ƙarfi sosai kuma yana iya shiga kayan tare da girma mai yawa.Sabili da haka, yana da mafi kyawun shigar da iko don kayan da ke da girma mai yawa kuma ya dace da manyan abubuwan gano abubuwa masu girma da yawa, eriya ta hanyar polarized a zahiri tana sadaukar da faɗin kewayon karatu don musanyawa ga alamar alamar da tsayin ɗayan. -way karatu nisa.Don haka, eriyar mai karatu dole ne ta kasance daidai da jirgin alamar lokacin amfani da shi, don samun tasirin karatu mai kyau.

RFID Antenna Mai Da'ira

Fitar da filin lantarki na eriya mai madauwari mai da'ira wani katako ne mai kama, wanda ke da halaye masu zuwa:
1) Eriya RF makamashi yana fitar da madauwari mai ma'ana;
2) Zauren madauwari mai madauwari yana da filin lantarki mai nau'i-nau'i da yawa, kuma kewayon filin lantarki ya fi fadi, amma ƙarfinsa ya fi na eriya mai layi-layi;
3) Wurin karatu yana da faɗi, amma idan aka kwatanta da eriyar polarization na linzamin kwamfuta, ƙwarewar alamar tambarin hanya ɗaya ya ragu kuma nisan karatu ya fi guntu;
4) Ana amfani da tags (abubuwan ganowa) waɗanda ba a tabbatar da hanyar tafiya ba.

Da'irar electromagnetic katako na eriyar madauwari mai da'ira tana da ikon aikawa a duk kwatance lokaci guda.Lokacin cin karo da cikas, igiyar lantarki na eriyar madauwari mai da'ira tana da ƙarfi mai ƙarfi da ikon karkata, wanda ke ƙara yuwuwar karanta alamar shiga eriya daga dukkan kwatance, don haka buƙatun don mannewa lakabin da jagorar tafiya suna da ɗan haƙuri;Duk da haka, faɗin katakon madauwari kuma yana haifar da raguwar ƙarfin ƙarfin igiyoyin lantarki, ta yadda alamar za ta iya jin daɗin wani ɓangare na makamashin wutar lantarki a wata hanya, kuma tazarar karatun yana da ɗan gajeren gajere.Don haka, eriya mai madauwari mai da'ira ta dace da lokatai inda ba a san alkiblar tafiya ta alamar (abin da aka gano) ba, kamar wurin ajiyar kaya na cibiyar rarrabawa.

Bisa ga aikace-aikace da samfurin halaye, ShenzhenHannun-Wirelessrfid na'urorin galibi suna ɗaukar madaidaiciyar polarization da hanyoyin warwarewar madauwari don biyan buƙatun ayyuka daban-daban, waɗanda za'a iya amfani da su a cikin hada-hadar ƙira, ƙididdigar kadara da sauran ayyukan, kuma an yi amfani da su sosai a cikin dabaru, magungunan asibiti, Power, kuɗi, tsaro na jama'a. ilimi, haraji, sufuri, yawon shakatawa, dillalai, wanki, soja da sauran masana'antu.