Anti-interference nyhuv ntawm RFID Anti-hlau Electronic Tag

Anti-interference nyhuv ntawm RFID Anti-hlau Electronic Tag

RFID anti-metal electronic tag, kuj hu ua high-frequency anti-hlau tag (raws li qhov yuav tsum tau ua ntawm qhov project thiab daim ntawv thov ib puag ncig, Nws kuj tseem tuaj yeem hloov kho rau tsawg zaus 125KHz / 134.2KHz los tiv thaiv hlau lossis ultra-high-frequency 860 ~ 960MHz anti-hlau tag, thiab tseem tuaj yeem raug kho rau 2.45GHz active anti-hlau tag), yog ib qho hluav taws xob tag ua los ntawm cov khoom siv absorbing nrog kev cuam tshuam kev cuam tshuam, uas zoo daws qhov teeb meem ntawm RF teeb liab cuam tshuam ntawm cov neeg nqa khoom hlau ntawm cov khoom siv hluav taws xob txuas rau nws qhov chaw.
Txheej txheej ntawm RFID tiv thaiv hlau hluav taws xob yog tsim los ntawm cov khoom siv FR-4, uas yog sib npaug rau ntxiv ib qho tshwj xeeb los tiv thaiv cov hlau nqus cov khoom siv los ntawm lub hauv paus ntawm daim ntawv qub, los tiv thaiv kev cuam tshuam ntawm cov khoom hlau ntawm lub cim cim npe, lub cim tseem muaj kev tiv thaiv corrosion, waterproof, acid-proof peb-pov thawj muaj nuj nqi, kub tsis kam, cuam ​​tshuam tsis kam, tiv thaiv kev sib tsoo, haum rau ntau hom kev siv hnyav.
RFID anti-hlau hluav taws xob tag raws li absorbing khoom nyob rau hauv lub luag hauj lwm ntawm teeb liab cuam tshuam

RFID anti-hlau hluav taws xob cov cim npe nrog cov khoom siv absorbing muaj cov yam ntxwv hauv qab no:

1. RFID anti-hlau hluav taws xob cov cim npe tuaj yeem nyeem lawv cov ntaub ntawv txheem los ntawm kev kho kom zoo dua qub ntawm daim ntawv thov;
2. RFID tiv thaiv hlau hluav taws xob nyeem ntawv nrug deb (nws qhov kev nyeem ntawv thiab kev sau ntawv deb yog cuam tshuam nrog RFID nyeem ntawv thiab kav hlau txais xov);
3. Super tiv thaiv kev cuam tshuam;
4. Lub sijhawm khaws cov ntaub ntawv ntev, mus txog 20 xyoo, raug nqi;
5. Nyeem ntau tag, tsis cuam tshuam thiab txwv los ntawm tus naj npawb ntawm cov cim npe hauv chaw ua haujlwm;
6. RFID anti-hlau tag txais yuav ultra-wide ua haujlwm zaus band tsim, uas tsis tsuas yog ua tau raws li cov kev cai ntawm kev lag luam, tab sis kuj tuaj yeem hloov kho thiab siv tau;
7. Qhov chaw cia yog siv los ntawm cov neeg siv los encrypt nyeem, sau, lwv thiab sau cov haujlwm, thiab tseem tuaj yeem qhia qhov chaw nyob ruaj khov rau cov neeg siv.

Nrog rau kev txhim kho ntawm Internet ntawm Yam, daim ntawv thov ntawm nthwv dej absorbing cov ntaub ntawv nyob rau hauv RFID cim npe tau ntau heev, thiab RFID anti-metal electronic tags kuj siv nyob rau hauv ntau qhov chaw, suav nrog kev tswj xyuas logistics, kev tswj cov khoom lag luam, kev tswj cov cuab yeej cuab tam thiab lwm qhov chaw. Yog li dab tsi yog lub luag hauj lwm ntawm absorbing cov ntaub ntawv nyob rau hauv RFID anti-hlau tag?

Hauv RFID ntau zaus, thaum lub electromagnetic nthwv dej ntsib cov hlau nto, vim eddy tam sim no phenomenon, muaj zog electromagnetic yoj reflection yog generated, thiab muaj ib theem sib txawv ntawm qhov cuam tshuam electromagnetic yoj thiab qhov xwm txheej nthwv dej, ua rau kev sib nrig sib tshem tawm, nyob rau lub sij hawm no qhov ua tau zoo electromagnetic teb yog sai heev, vim qhov qis dua cov khoom siv hlau, qhov ntau dua qhov eddy tam sim no poob yuav tshwm sim, qhov loj dua qhov teeb meem hlau. Yog li ntawd, thaum cov hlau raug cuam tshuam rau hlau heev, cov lus qhia tawm los ntawm daim npav nyeem ntawv yuav ploj mus, yog li cov ntaub ntawv nyeem tau ua tsis tiav. Cov nthwv dej nqus cov khoom siv tsuas yog siv cov yam ntxwv ntawm siab permeability. Thaum siv, Lub yoj absorbing phaj yog ntxig rau ntawm tus kav hlau txais xov corrugated ntawm RFID anti-hlau tag thiab cov hlau substrate kom nce qhov tshwm sim ntawm induced magnetic teb dhau los ntawm cov hlau phaj los ntawm yoj absorbing khoom nws tus kheej., li no txo ​​cov tiam ntawm induced eddy tam sim no nyob rau hauv cov hlau phaj. Cov yoj absorbing khoom ces txo qhov poob ntawm induced magnetic teb. Vim yog qhov ntxig ntawm cov khoom siv absorbing separator, qhov ntsuas parasitic capacitance kuj yuav raug txo, thiab qhov zaus offset yuav raug txo, uas zoo ib yam nrog cov resonance zaus ntawm daim npav nyeem ntawv, yog li zoo heev txhim kho daim npav nyeem ntawv thiab nyob deb.

Qee qhov haujlwm hauv lub neej yuav ntsib ntau qhov chaw, xws li qhov kub thiab txias, kua, cov phab ntsa cement, muaj zog hlau nplaum, hlau thiab lwm yam.
Piv txwv li, nyob rau hauv ib puag ncig hlau, nyob rau hauv lub ultra-siab zaus (UHF) xov tooj cua zaus identification tag system, qhov kev txheeb xyuas ntawm daim ntawv txuas nrog cov cab kuj yog qhov nyuaj tshwj xeeb, vim cov hlau obstacles yuav cuam tshuam thiab cuam tshuam nrog electromagnetic tsis. Tam sim no, muaj plaub txoj hauv kev los daws qhov teeb meem ntawm kev tuav cov ntaub ntawv ntawm cov hlau nto:
1. Kev siv cov khoom siv absorbing los nqus cov hluav taws xob ntau dhau;
2. Padded qhov siab tsim;
3. Lub bandwidth ntawm tag kav hlau txais xov yuav tsum txaus;
4. Grounding hom kav hlau txais xov tsim.
Tam sim no, peb txoj hauv kev yog los txais yuav kev sib xyaw ntawm cov khoom siv absorbing thiab padded qhov siab, thiab txoj kev zoo tshaj plaws yog tsim lub kav hlau txais xov nrog lub bandwidth loj, thiab tom qab ntawd siv cov ntaub ntawv absorbing rau padded qhov siab, uas yuav ua tiav cov txiaj ntsig zoo tshaj plaws.

                                                            (Qhov chaw: Shenzhen Seabreeze Smart Card Co., Ltd.)