Koj paub ntau npaum li cas txog RFID Kav hlau txais xov

Is Taws Nem ntawm Yam yog suav tias yog qhov thib peb ntawm cov ntaub ntawv kev lag luam tom qab khoos phis tawj thiab Is Taws Nem. Nyob rau hauv tus txheej txheem ntawm nws realization, nws xav tau kev koom tes ntawm ntau high-tech technologies xws li kev sib txuas lus, sensors, RFID, thiab positioning. Kev sib xyaw ua ke ntawm RFID, Internet, kev sib txuas lus thiab lwm yam thev naus laus zis tuaj yeem paub txog kev taug qab thiab cov ntaub ntawv sib koom ntawm cov khoom thoob ntiaj teb. Yog li ntawd, nws tau suav hais tias yog lub hauv paus tseem ceeb rau kev ua tiav ntawm Is Taws Nem ntawm Yam thiab tau teev tseg tias yog ib qho ntawm kaum qhov tseem ceeb tshaj plaws hauv lub xyoo pua 21st.

Nyob rau hauv tus txheej txheem ntawm kev sib txuas lus wireless, tus kav hlau txais xov yog ib qho tseem ceeb tivthaiv. RFID siv xov tooj cua nthwv dej los xa cov ntaub ntawv, thiab kev tsim thiab txais xov tooj cua nthwv dej yuav tsum ua kom tiav los ntawm tus kav hlau txais xov. Thaum lub tshuab hluav taws xob nkag mus rau thaj chaw ua haujlwm ntawm tus nyeem ntawv / tus kws sau ntawv kav hlau txais xov, lub kav hlau txais xov hluav taws xob hluav taws xob tsim hluav taws xob txaus kom tau txais lub zog kom qhib tau. Rau RFID system, tus kav hlau txais xov yog qhov tseem ceeb, nws muaj feem cuam tshuam nrog kev ua haujlwm ntawm lub kaw lus.

Piv txwv li, nyob rau hauv ib qhov project tswj warehouses, tus nqi ntawm RFID kav hlau txais xov tso nyiaj tsawg dua 1 feem pua ​​ntawm tag nrho cov nqi. Txawm li cas los xij, yog tias koj xaiv lub kav hlau txais xov RFID nrog kev ua haujlwm tsis zoo txhawm rau txo tus nqi dig muag lossis rau lwm yam laj thawj, teeb meem xws li kev nyeem ntawv tsis ruaj khov, nyeem tsis tau, nyeem ntawv hla, thiab nyeem ntawv tsis ua haujlwm yuav yooj yim tshwm sim thaum lub sijhawm teeb tsa ntawm RFID kav hlau txais xov. Nyob rau hauv rooj plaub no, tsis tsuas yog tus nqi yuav tsis raug txo, tab sis nws yuav nce ntau zaus. Yog li ntawd, nws yuav tsum tau them sai sai rau RFID kav hlau txais xov thaum siv RFID systems.

Dab tsi yog hom RFID kav hlau txais xov?

Cov kav hlau txais xov ntawm RFID system tuaj yeem faib ua ob pawg: cov kav hlau txais xov hluav taws xob thiab cov kav hlau txais xov nyeem ntawv. Ob hom kav hlau txais xov no tuaj yeem muab faib ua omnidirectional kav hlau txais xov thiab cov kav hlau txais xov taw qhia raws li kev coj ua, thiab tseem tuaj yeem muab faib ua cov kav hlau txais xov kab raws li qhov sib txawv ntawm cov duab. Thiab planar antennas. RFID nyeem ntawv / tus kws sau ntawv kav hlau txais xov yuav tsum muaj broadband thiab ncig polarization yam ntxwv. Nyob rau hauv qhov tsawg zaus thiab high zaus bands, hluav taws xob cim npe thiab nyeem ntawv yeej siv coil kav hlau txais xov, thiab tooj liab xov hlau feem ntau yog siv. Txawm li cas los xij, vim tias siv cov khoom siv ntau zaus, cov xov tooj ntawm cov kav hlau txais xov yuav ntau dua li qhov tsawg zaus, uas ua rau kev tsim cov kav hlau txais xov siab RFID yooj yim dua thiab tus nqi qis dua. Hauv UHF zaus band, ntau cov txheej txheem etching yog siv, suav nrog tooj liab etching antennas thiab txhuas etching kav hlau txais xov, thiab cov txheej txheem kuj paub tab. Nyob rau hauv lub microwave zaus band, cov ntaub ntawv ntawm cov kav hlau txais xov muaj ntau haiv neeg, xws li symmetrical dipole antennas, microstrip antennas, array antennas, broadband antennas, thiab hais txog.

Ntau zaus bands thiab cov ntawv thov sib txawv muaj cov kev cai sib txawv rau cov qauv ntawm cov kav hlau txais xov hluav taws xob. Feem ntau, tus tsim kav hlau txais xov nyiam ua raws li cov hom phiaj hauv qab no:

(1) Miniaturize lub kav hlau txais xov ntim kom ntau li ntau tau;

(2) Lub kav hlau txais xov muab lub teeb liab loj tshaj plaws rau cov nti;

(3) Txoj kev ncaj qha ntawm cov kav hlau txais xov yuav tsum loj npaum li qhov ua tau;

(4) Lub polarization ntawm tus kav hlau txais xov yog qhov kev nug ntawm tus nyeem ntawv;

(5) Tus kav hlau txais xov tus nqi qis npaum li qhov ua tau thiab lwm yam.

Peb cov txheej txheem tseem ceeb ntawm RFID kav hlau txais xov raug tsim

Txhawm rau hloov kho kom haum rau qhov sib txawv ntawm RFID kev ua tau zoo tsis nyob rau hauv qhov sib txawv daim ntawv thov scenarios, ntau yam RFID kav hlau txais xov tsim cov txheej txheem tau tshwm sim. Tam sim no, feem ntau siv RFID kav hlau txais xov tsim cov txheej txheem feem ntau suav nrog coil winding txoj kev, etching txoj kev thiab luam ntawv.

(1) Coil winding txoj kev

Thaum siv txoj kev coil winding los ua RFID tag kav hlau txais xov, tag kauj yuav tsum raug mob thiab kho ntawm lub cuab yeej winding. Lub kav hlau txais xov coil yuav tsum muaj ntau qhov lem. Lub kauj tuaj yeem yog lub nplhaib ncig lossis lub nplhaib sib dhos. . Txoj kev no feem ntau yog siv rau RFID cim npe nrog ntau zaus ntawm 125 txog 134KHz. Qhov tsis txaus ntawm kev siv cov txheej txheem no los ua cov kav hlau txais xov yog qhov pom tseeb, uas tuaj yeem ua tiav raws li tus nqi siab, kev ua haujlwm qis, thiab tsis txaus ntawm cov khoom ua tiav.

(2) Etching method

Txoj kev etching feem ntau yog siv tooj liab lossis txhuas los ua cov kav hlau txais xov. Txoj kev no zoo ib yam li cov txheej txheem tsim khoom rau cov txheej txheem etching ntawm cov ntawv luam tawm yooj yim. Txoj kev etching tuaj yeem siv rau hauv kev tsim khoom loj ntawm cov cim npe hluav taws xob nrog 13.56MHz thiab UHF bandwidth. Nws muaj qhov zoo ntawm cov hluav taws xob zoo, tsis tshua muaj hluav taws xob, huab cua tsis zoo, thiab cov teeb liab ruaj khov. Txawm li cas los xij, qhov tsis txaus ntawm cov qauv no kuj pom tseeb, xws li cov txheej txheem tsim khoom lag luam thiab cov khoom lag luam qis.

(3) Txoj kev luam ntawv

Tus kav hlau txais xov luam tawm yog ib lub voj voog uas tus cwj mem hluav taws xob tau luam tawm ncaj qha rau ntawm ib qho insulating substrate (los yog zaj duab xis) los tsim ib lub kav hlau txais xov. Txoj kev luam ntawv tseem ceeb tau nthuav dav los ntawm tsuas yog siv kev tshuaj ntsuam luam ntawv mus rau offset printing, flexographic printing, gravure printing thiab lwm yam ntau lawm txoj kev. Txoj kev luam ntawv yog tsim rau huab hwm coj ntau lawm ntawm 13.56MHz thiab RFID UHF cov cim npe hluav taws xob. Nws yog tus cwj pwm los ntawm kev ua haujlwm ceev ceev, tab sis vim yog qhov loj ntawm kev ua haujlwm ntawm Circuit Court tsim los ntawm tus cwj mem conductive, nws daim ntawv thov ntau yog txwv rau qee yam. Vim muaj kev nce qib ntawm cov kav hlau txais xov luam ntawv thev naus laus zis, tus nqi ntawm RFID cim npe tau raug txo kom zoo, uas tau txhawb nqa qhov nrov ntawm RFID daim ntawv thov.

Kev txhim kho yav tom ntej ntawm RFID kav hlau txais xov

(1) Miniaturization ntawm qhov loj me

Nrog rau kev txhim kho ntawm kev xav tau ntse thiab cov txheej txheem thev naus laus zis, qhov loj ntawm RFID kav hlau txais xov tseem tab tom txhim kho nyob rau hauv cov kev taw qhia ntawm miniaturization. Hauv cov cim hluav taws xob tsawg thiab cov khoom siv hluav taws xob siab, qhov loj ntawm lub kav hlau txais xov feem ntau loj dua li ntawm cov nti. Yog li ntawd, qhov loj ntawm daim ntawv yog feem ntau txwv los ntawm qhov loj ntawm lub kav hlau txais xov. Los ntawm qhov kev xav ntawm kev lag luam xav tau, qhov miniaturization ntawm RFID cim npe kuj yog qhov tsim nyog rau nws nkag mus rau hauv ntau daim ntawv thov scenarios.

(2) Kev tsim khoom loj

Piv nrog rau cov txheej txheem ib txwm muaj, tus kav hlau txais xov tooj hluav taws xob luam tawm muaj tus nqi qis dua thiab ua haujlwm ntau dua, uas yog feem ntau cuam tshuam nrog tus nqi qis ntawm cov ntaub ntawv siv hauv tus cwj mem conductive, thiab cov khoom siv luam ntawv siv hauv cov txheej txheem luam ntawv tseem pheej yig dua. tshaj cov khoom siv etching. Tsis tas li ntawd, cov txheej txheem luam ntawv no yooj yim thiab ceev rau kev khiav lag luam, thiab tag nrho cov txheej txheem ntws yog qhov yooj yim, uas yog tsim nyog rau ntau lawm.

(3) Cov txheej txheem ntsuab thiab kev tiv thaiv ib puag ncig

Tsis tas li ntawd, cov tshuaj tiv thaiv corrosion hauv cov txheej txheem etching yuav tsim cov khoom pov tseg, uas yooj yim rau kev ua qias tuaj ib puag ncig. Nyob rau hauv sib piv, lub conductive number case printing tshuab yog ntau ntau tus phooj ywg environmentally.

(4) Tus nqi qis

Yog tias RFID xav ua kom tiav daim ntawv thov loj dua, tus nqi yuav tsum tau txo ntxiv. Vim tias ntau zaus tib neeg tsis xav txog RFID thev naus laus zis, tab sis nws yog qhov nyuaj rau kev lees txais tus nqi siab tom qab cov cim hluav taws xob. Tam sim no cov tshuab luam ntawv luam ntawv tuaj yeem ua rau daim ntawv thov RFID tawm ntawm tus nqi teeb meem, txo tus nqi tsim khoom ntawm RFID kav hlau txais xov. Nws yog qhov pom tau tias kev sib xyaw ntawm RFID kav hlau txais xov ntau lawm thiab cov tshuab luam ntawv qib siab yuav nyob ze rau yav tom ntej.

Nrog rau kev txhim kho ntawm tus cwj mem thiab luam ntawv thev naus laus zis, RFID luam ntawv kav hlau txais xov tshuab yuav nrov dua. Qhov no yuav pab txo tus nqi ntawm RFID cov cim npe, yog li txo qis daim ntawv thov ntawm RFID, txhawb kev siv RFID thev naus laus zis hauv txhua qhov chaw ntawm lub neej, thiab tso cai rau Internet ntawm Txhua Yam tuaj sai li sai tau.