Matsakaicin RFID daban-daban yana da ƙa'idodin Aiki daban-daban

 

Ƙarfe, Liquid, da Matsalolin Multipath a cikin Kayan aiki na Gaskiya

 

Ƙarfe yana ƙirƙira igiyoyin ruwa waɗanda ke karkatar da mitar eriya ta alama daga rukunin aiki na mai karatu. Wannan sakamako na ɓarna yana sanya daidaitaccen madaidaicin UHF wanda ke karantawa daidai akan kwali ya zama marar ganuwa akan faifan ƙarfe.Akan - tamburan ƙarfe tare da tazarar yadudduka da gyare-gyaren lissafin eriyawarware wannan, amma yi tsammanin biyan $0.80-2.50 a kowace tag idan aka kwatanta da $0.08-0.15 don daidaitaccen inlays (farashin masu rarrabawa na 2024, adadin 10K+).

 

Tsangwama ruwa yana biye da wata hanya dabam. Mun auna wannan kai tsaye yayin matukin kayan aikin abin sha: kwalban PET guda 500ml guda daya da aka sanya 10cm daga tag, mai karatu a nisan mita 2, rage ingantaccen karatun karatu daga 98% zuwa 34% ta amfani da daidaitattun inlays dipole a 915 MHz. Tsarukan LF da ke aiki a 134 kHz ba su nuna lalata da za a iya aunawa ba a cikin saitin gwaji iri ɗaya{9}} wanda shine dalilin da ya sa guntuwar dasa dabba ke amfani da wannan rukunin.

 

Multipath shine ƙayyadaddun matsala ta UHF{0} wacce ba kasafai take fitowa a cikin takaddun masu siyarwa ba. Taguwar wutar lantarki ta billa daga tarkacen karfe, benayen siminti, da kayan aiki, suna isa mai karatu ta hanyoyi da yawa. Lokacin da waɗannan hanyoyin suka kutsa kai cikin ɓarna, za ku sami wuraren da ba za a iya karantawa ba.

 

Mun rubuta wannan yayin shigarwar ajiyar sanyi a wajen Rotterdam: yankuna bakwai daban-daban na ɓarna a kan wani yanki mai girman murabba'in mita 400, kowane 15{6}} faɗin 20cm dangane da grid scan tare da abin hannu na Zebra MC3390R a ƙuduri 50cm. Matsar da pallet inci shida ya dawo da tags cikin sadarwa. Gyaran yana buƙatar sauyawa daga linzamin kwamfuta -Polarized zuwa madauwari{13}} eriya mai ɗorewa, wanda ya rage tasirin kowane eriya da kusan 30% kuma ya tilasta mana ƙara ƙarin masu karanta portal guda biyu. Ƙarin kayan aiki da shigarwa: € 3,200. Darasi: idan kayan aikin ku yana da tarin ƙarfe na ƙarfe, kasafin kuɗi don binciken rukunin yanar gizon RF kafin kammala sanya mai karatu. Don wuraren da ake la'akari da tura UHF RFID akan matsuguni masu nauyi{14}, wannan farashin binciken yana da ƙanƙanta idan aka kwatanta da gano matsala bayan turawa.

 

 

Rarraba Mitar Mitar Duniya da Tarkon Biyayya

 

Rarraba bakan UHF ya bambanta sosai tsakanin yankuna waɗanda kayan aikin da aka saya don kasuwa ɗaya na iya zama doka a cikin wani:

• Amirka ta Arewa: 902-928 MHz, har zuwa 4W EIRP
• Turai: 865-868 MHz, 2W ERP iyakar ta ISO/IEC 18000-63
• Japan: 920 MHz band, daidaitaccen 2012
• China: 920-925 MHz

Alamun su kansu gabaɗaya yanki ne -agnostic{1}}EPC Gen2 protocol hops a cikin cikakken kewayon 860-960 MHz. Tarkon yarda yana cikin siyan mai karatu. Zebra FX9600 da aka saya tare da firmware na Amurka ba zai iya aiki bisa doka ba a cikin EU ba tare da walƙiya ba, kuma wasu ƙirar masu karatu ba sa goyan bayan sake fasalin filin kwata-kwata.

 

Ɗaya daga cikin abokan cinikinmu, ƙera kayan lantarki na mabukaci tare da DCs a Texas da Poland, sun koyi wannan lokacin da kayan aikin su na Poland sun karɓi masu karatu 8 waɗanda ba za a iya sake daidaita su ba. Kashi 15% da suka ajiye siyayya daga mai siyarwar Amurka guda ɗaya ya kashe musu kashi 200 cikin 100 na kayan maye da kuma jinkirin tafiya{4}}. Don jujjuyawan yanki da yawa-, saka bambance-bambancen firmware na yanki a cikin PO ko aiki tare da masu rarrabawa waɗanda ke adana nau'ikan EU/US/APAC daban.

 

HF a 13.56 MHz da LF a 125-134 kHz an daidaita su a duniya tare da daidaitattun iyakoki..Don ayyukan sarkar wadata da ke haye yankuna uku ko fiye na tsari, wannan daidaituwar na iya wuce guntun kewayon karatu, musamman lokacin da madadin ke sarrafa SKUs masu karatu da yawa.

 

 

Zaɓin Mitar don Takamaiman Yanayin Aikawa

 

Ga dabarar yanke shawara da muke amfani da ita tare da abokan ciniki:

The kudin crossover lissafiya dogara sosai akan yawan masu karatu. Don tura yanki ɗaya na al'ada (mai karantawa ɗaya wanda ke rufe 20{11}}30m² yankin karantawa, eriya huɗu), jimlar tsarin HF yayi daidai ko ya doke UHF ƙasa da kusan alamun 5,000. Sama da alamun 50,000, UHF tayi nasara akan jimillar farashi saboda farashin alamar ya mamaye. Matsakaicin 5K-50K yana buƙatar yin ƙira tare da ƙidayar mai karatu na ainihi da ƙarar alama - kayan aikin da ke buƙatar maki 12 za su sami fa'idar farashin UHF da wuri fiye da ɗaya na buƙatar biyu.

 

Yin Yanke Shawarar Sayi

 

Tambayar ba shine wanne rukunin mitar RFID ya fi kyau a duniya ba. Wannan na'ura mai haɗa wutar lantarki ta lantarki ta dace da takamaiman ƙayyadaddun muhallin turawa, hukunce-hukuncen da suka shafi, da jimillar kasafin kuɗin aikin gami da kayan more rayuwa.

 

Don aikace-aikacen kai tsaye{0}}ikon shiga, biyan kuɗi, ƙayyadaddun{1}}ƙirar hanya{2}zaɓin yawanci yana bayyana a cikin mintuna biyar na nazarin yanayin rukunin yanar gizon. Don hadaddun tura kayan aiki da suka haɗa da gaurayawan kayan aiki, ƙetare{4}}ayyukan kan iyaka, ko buƙatun kewayon karatun da ba a saba ba, tsarin zaɓin yana fa'ida daga binciken rukunin yanar gizon RF da ƙirar ƙira kafin yin sayayya na kayan masarufi.