Akụkọ

Anten RFID bụ akụkụ dị mkpa iji ghọta ọrụ ọgụgụ nke ngwaọrụ RFID ngwaike.Ọdịiche nke antenna na-emetụta anya ọgụgụ, oke, wdg, na antenna bụ ihe dị mkpa na-emetụta ọnụ ọgụgụ ọgụgụ.Antenna nkeOnye na-agụ RFIDenwere ike kewaa ya ka ọ bụrụ polarization linear na polarization okirikiri dịka ụdị ume siri dị.

Polarization nke antenna na-ezo aka na iwu na ntụziaka nke vector eletrik na-agbanwe na oge na ntụziaka radieshon kacha nke antenna.Sistemụ RFID dị iche iche na-eji ụzọ polarization antenna dị iche iche.Ngwa ụfọdụ nwere ike iji linear polarization, dịka ọmụmaatụ, n'ahịrị mgbakọ, a na-edozi ọnọdụ nke mkpado eletrọnịkị, na antenna nke mkpado eletrọnịkị nwere ike iji polarization linear.Mana n'ọtụtụ oge, ebe ọ bụ na amabeghị nghazi nke mkpado eletrọnịkị, ọtụtụ sistemu RFID na-eji antenna polarized okirikiri belata uche nke sistemu RFID na nghazi mkpado eletrọnịkị.Dị ka ọdịdị nke trajectory si dị, enwere ike kewaa polarization ka ọ bụrụ polarization linear, polarization okirikiri na elliptical polarization, n'ime nke a na-ejikarị polarization linear na polarization okirikiri mee ihe.

RFID eriri eriri kwụ ọtọ

Igwe ọkụ eletrik na-ebupụta site na antenna onye na-agụ nke eriri polarị nke linearly bụ linear, na mpaghara electromagnetic ya nwere ntụzịaka siri ike, ma nwee njirimara ndị a:
1) A na-ewepụta ike ugboro redio site na antenna n'ụdị ahịrị;
2) Oghere dị n'ahịrị nwere oghere electromagnetic na-enweghị isi, nke siri ike karịa antenna polarized okirikiri, mana oke dị warara ma dị ogologo;
3) E jiri ya tụnyere antenna okirikiri gbara okirikiri, ebe agụ otu ụzọ na-adị ogologo, mana n'ihi ntụzịaka siri ike, obosara ọgụgụ na-adị warara;
4) Tags (Ihe njirimara) emebere maka ntụziaka nke mkpebi mkpebi njem

Mgbe mkpado RFID dakọrọ na antenna nke onye na-agụ ya, antenna polarized linearly nwere ọnụ ọgụgụ ọgụgụ ka mma.Ya mere, a na-ejikarị antenna polarized linearized agụ mkpado nke amaara ụzọ njem ya, dị ka pallets.Ebe ọ bụ na ebili mmiri elektrọnik nke antenna nwere oke na oke dị warara n'ime nha ụgbọ elu nke antenna onye na-agụ ya, ike ahụ gbadoro anya ma nwee ike banye n'ime ihe nwere njupụta dị elu.Ya mere, ọ ka mma ịbanye ike maka ihe ndị nwere njupụta dị elu ma dabara maka ihe njirimara buru ibu na nke dị elu, antenna na-ejikọta ọnụ na-achụ àjà n'ezie obosara nke ọnụ ọgụgụ ọgụgụ na mgbanwe maka mmetụta nke mkpado na ogologo nke otu. -ụzọ ọgụgụ isi.Ya mere, antenna nke onye na-agụ aghaghị ịdị na ụgbọ elu nke akara mgbe ị na-eji ya, iji nwee mmetụta ọgụgụ dị mma.

RFID Antenna nwere okirikiri

Mgbapụta oghere eletrọnịkị nke antenna okirikiri gbara okirikiri bụ ogwe ọkụ na-acha ọkụ, nke nwere njirimara ndị a:
1) Antenna RF ume na-ebupụta site na eriri helical okirikiri;
2) Oghere helical okirikiri nwere oghere eletrọnịkị nke ọtụtụ ụzọ, na oke nke oghere electromagnetic ka obosara, mana ike ya pere mpe karịa nke antenna polarized linearly;
3) Oghere ọgụgụ dị obosara, ma e jiri ya tụnyere antenna polarization linear, uche nke mkpado otu ụzọ dị ala na ebe ịgụ akwụkwọ dị mkpụmkpụ;
4) Ọdabara na mkpado (ihe njirimara) nke ntụziaka njem na-ejighị n'aka.

Oghere elektrọn magnetik okirikiri nke antenna nwere okirikiri nwere ike izipu n'akụkụ niile n'otu oge.Mgbe ị na-ezute ihe mgbochi, eriri elektrọn nke eriri eriri okirikiri nwere ike ime mgbanwe na ike ịpụgharị, nke na-abawanye ohere ịgụ akwụkwọ nke akara na-abanye na antenna site n'akụkụ niile, yabụ ihe achọrọ maka ịrapara akara na ntụzịaka njem na-anabatakarị;Otú ọ dị, obosara nke okirikiri okirikiri na-ewetakwa ihe ikwu mbelata na ike nke electromagnetic ife, nke mere na mkpado nwere ike na-anụ ụtọ a akụkụ nke electromagnetic ife ọkụ na a ụfọdụ direction, na-agụ anya na-dịtụ mkpụmkpụ.Ya mere, antenna okirikiri gbara okirikiri dabara adaba maka oge ebe a na-amaghị ụzọ njem mkpado ahụ (ihe amapụtara), dị ka ebe nchekwa ibu nke ebe nkesa.

Dị ka ngwa na njirimara ngwaahịa, ShenzhenAka-ikukuNgwa rfid na-anakwere usoro polarization na okirikiri iji gboo mkpa nke ọrụ dị iche iche, nke enwere ike itinye ya n'ịkwakọ ngwaahịa ngwaahịa, akụrụngwa akụrụngwa na ọrụ ndị ọzọ, ejirila ya na ngwa ngwa, ọgwụ ụlọ ọgwụ, Ike, ego, nchekwa ọha, agụmakwụkwọ, ụtụ isi, njem njem, njem nlegharị anya, ịzụ ahịa, ịsa ákwà, ndị agha na ụlọ ọrụ ndị ọzọ.