Mateki emitengo yemagetsi anoshanda sei

Mateki emagetsi tekinoroji isingabatanidzwe otomatiki yekuzivisa tekinoroji inoshandisa masiginecha eredhiyo kuona zvinhu zvinonangwa uye kuwana data rakabatana.

Basa rekuzivikanwa haridi kupindira kwevanhu. Senge isina waya vhezheni yebhakodhi, RFID tekinoroji ine isingapindi mvura, antimagnetic, uye Kupisa kwekushisa kwepamusoro, hupenyu hurefu hwesevhisi, kureba kwekuverenga, data pane iyo label inogona kuvharirwa, data rekuchengetedza data rakakura, ruzivo rwekuchengetedza runogona kuchinjwa zvakasununguka uye zvimwe zvakanakira. Iyo encoding nzira, kuchengetedza uye kuverenga-kunyora nzira ye electronic tags akasiyana nema tag echinyakare (akadai sebhakodhi) kana ma tag emaoko. Kuchengetedzwa kwemagetsi tag codes kunochengetwa mukuverenga-chete kana kuverenga-kunyora maitiro pamusangano wakabatanidzwa; kunyanya iyo yekuverenga-yekunyora nzira, Iyo yemagetsi tag inowanikwa newireless electronic transmission. Iwo akatanhamara ehunyanzvi maitiro e RFID electronic tags ndezvi: inogona kuziva chinhu chimwe chete chakanyatsojeka, panzvimbo yemhando imwe chete yechinhu sebha code; inogona kuverenga zvinhu zvakawanda panguva imwe chete, uye bar code inogona kuverengwa chete imwe neimwe; storage; Huwandu hwemashoko hwakakura kwazvo; uchishandisa redhiyo frequency, data inogona kuverengerwa kuburikidza nekunze zvinhu, uye bar macode anofanirwa kuvimba nelaser kana infrared kuverenga ruzivo pamusoro pechinhu chepakati.

(1) Tag. Inoumbwa nekubatanidza zvinhu uye machipisi. Yese tag ine yakasarudzika yemagetsi kodhi. Iyo yepamusoro-yemagetsi tag ine mushandisi-inonyoreka yekuchengetedza nzvimbo uye inonamirwa kune chimwe chinhu kuti chizive icho chinonangwa.

(2) Muverengi. Chishandiso chakabatwa nemaoko kana chakagadziriswa chinoverenga (uye dzimwe nguva chinonyora ku) ruzivo rwemaki.

(3) Antenna. Pfuura siginecha yeredhiyo pakati petegi nemuverengi.Iyo yekutanga kushanda musimboti weRFID tekinoroji haina kunetsa. Mushure mekunge tag yapinda musimba remagineti yakaburitswa nemuverengi, inogamuchira redhiyo frequency chiratidzo kubva kumuverengi, uye inoshandisa simba rinowanikwa neazvino induced kutumira ruzivo rwechigadzirwa (PassiveTag, passive tag kana passive tag) yakachengetwa mu chip, kana kushingaira kutumira imwe frequency Chiratidzo (ActiveTag, tag inoshanda kana tag inoshanda); mushure mekunge muverengi averenga uye akadhinda ruzivo, rwunotumirwa kunzvimbo yekugadzirisa ruzivo rwehurongwa hwekugadzirisa data.

Ma tag emagetsi anogona kukamurwa kuita marudzi matatu: akabatanidzwa edunhu kurapa mhando, pane-saiti wired rewriting mhando, uye pane-saiti isina waya yekunyorazve mhando zvichienderana neakasiyana majekiseni eruzivo rwakachengetwa mukati; maererano nehunyanzvi nzira yekuverenga yemagetsi tag data, inogona kukamurwa muzvikamu zvitatu: Kune matatu marudzi enhepfenyuro yekufambisa mhando, frequency yekuwedzera mhando uye reflection modulation type; zvinoenderana neyakasiyana nzira dzekupa simba (bhatiri simba rekupa), tekinoroji yekuzivikanwa kweredhiyo inogona kukamurwa kuita mhando nhatu: inoshanda, inongoita uye semi-inoshanda. Iyo inowanzo kufarirwa nzira yeRFID ndeye, zvinoenderana neyakasiyana yekushanda frequency (unit: Hz), yakakamurwa kuita mana emhando dzepasi frequency (LF), high frequency (HF), Ultra high frequency (UHF) uye microwave frequency band (MW).

(1) Low/high frequency masisitimu anowanzo kuve nekushanda frequency ye<30MHz. Mafambiro ekushanda ari 125kHz, 225kHz, 13.56MHz (isina-inobata IC kadhi-inoshanda frequency yeredhiyo frequency kadhi), zvichingodaro. Masisitimu ekuzivikanwa kweredhiyo zvinoenderana neaya ma frequency point kazhinji ane zvinoenderana nedzimwe nyika. Hunhu hwavo hwekutanga ndeiyi: mutengo wema tag emagetsi wakadzikira, huwandu hwe data rakachengetwa muma tag ishoma, uye kureba kwekuverenga ipfupi (passive mamiriro, yakajairika kuverenga kureba ndeye 10cm), chimiro chemagetsi tag chakasiyana (kadhi-yakaita, ring-shaped, bhatani-shaped, peni-shaped), uye kutungamira kweantenna yekuverenga haina kusimba.

(2) UHF/microwave masisitimu anowanzo ane ma frequency ekushanda> 400MHz, uye mabhendi akajairika ekushanda ari 915MHz, 2450MHz, 5800MHz, zvichingodaro. Iyo system ine zvakare yakawanda yepasirese miyero yekutsigira aya ma frequency mabhendi. Zvinhu zvakakosha ndezvi: mutengo wakakwira we electronic tags uye vaverengi, huwandu hukuru hwe data yakachengetwa mumatagi, kureba kuverenga (kusvika kumamita akati wandei kusvika kugumi), uye kuchinjika kune zvinhu Kukwirisa-kumhanya kufambisa kuita kwakanaka, chimiro chinowanzoita-kadhi, uye antenna yekuverenga uye yemagetsi tag antenna zvine simba rakananga.

(3) Kune bhatiri mukati meiyo inoshanda yemagetsi tag, iyo kazhinji ine kureba kuverenga. Izvo zvisingabatsiri ndezvokuti bhatiri ine hupenyu hushoma (3-10 makore); hapana bhatiri mune passive electronic tag. Mushure mekugamuchira chiratidzo chemicrowave kubva kumuverengi (probe mudziyo), inoshandura chikamu cheiyo microwave simba kuita yakananga ikozvino yebasa rayo. Kazhinji, kuchengetedza-kusununguka kunogona kuwanikwa. Kana ichienzaniswa neanoshanda sisitimu, iyo passive system ine zvishoma muganho munhambwe yekuverenga uye nekumhanyisa kwekuchinja kune kufamba kwechinhu.

(4) Ruzivo rwuri muakasanganiswa akaomeswa emagetsi tag anowanzo jekiseni muROM process mode panguva yekugadzirwa kwemaseketi akabatanidzwa, uye ruzivo rwakachengetwa harushanduke; iyo munda wired rewrite electronic tag kazhinji inonyora ruzivo rwakachengetwa mumagetsi tag mukati mayo Mukati meE2 nzvimbo yekuchengetera, akazvipira programmer kana munyori anodiwa pakunyora patsva, uye inofanirwa kupihwa simba panguva yekunyorazve; iyo pa-saiti isina waya yekunyorazve yemagetsi tag inowanzo fanirwa kune anoshanda emagetsi tag, ane chaiwo mirairo yekunyora patsva, uye emagetsi tag Ruzivo rwakachengetwa rwunowanikwawo munzvimbo yekuchengetera E2. Kazhinji, nguva inodiwa kunyora zvakare data tag yemagetsi yakareba kupfuura nguva inodiwa kuverenga data tag yemagetsi. Kazhinji, nguva inodiwa pakunyorazve iri muhurongwa hwemasekonzi, uye nguva yekuverenga iri muhurongwa hwemamilliseconds.

(5) Broadcast transmission type radio frequency identification system. Iyo yemagetsi tag inofanirwa kushanda nenzira inoshanda uye kutepfenyura ruzivo rwayo rwakachengetwa rwekuzivisa munguva chaiyo. Muverengi anofanana neanogamuchira anongogamuchira asi asingatumire. Kuipa kweiyo system ndeyekuti: nekuti iyo tegi yemagetsi inofanirwa kuramba ichiendesa ruzivo kune kunze, inoparadza magetsi uye inokonzeresa kusvibiswa kwemagetsi kune zvakatipoteredza, uye chengetedzo uye kuvanzika kwehurongwa urombo. Zvakaoma kuziva iyo double-frequency radio frequency identification system. Kazhinji, muverengi anotumira redhiyo frequency yemubvunzo chiratidzo, uye iyo inotakura chiratidzo frequency yakadzoserwa neyemagetsi tag ndeyekuwedzeredza redhiyo frequency inotumirwa nemuverengi. Iyi modhi yekushanda inopa nyore kuti muverengi agamuchire uye agadzirise masaini echo. Nekudaro, kune passive emagetsi tag, kana tegi yemagetsi ichishandura iyo yakagashirwa redhiyo frequency simba remuverengi kuita kaviri-frequency echo carrier frequency, simba rayo rekushandura rakaderera. Kuvandudza mashandiro ekushandura kunoda hunyanzvi hwepamusoro hwemicrowave, zvinoreva kuti mutengo wepamusoro wemagetsi tag. Panguva imwecheteyo, basa rerudzi urwu rwehurongwa rinofanira kutora maviri ekushanda frequency mapoinzi, uye zvinowanzonetsa kuwana rezinesi rekushandisa chigadzirwa reRadio Frequency Management Committee.

(6) Kuzadzikiswa kwekuratidzira modulation radio frequency identification system inonyanya kugadzirisa dambudziko rekutumira uye kugamuchira panguva imwecheteyo. Kana sisitimu ichishanda, muverengi anotumira chiratidzo che microwave yekubvunza (simba), uye tegi yemagetsi (passive) inogadzirisa chikamu cheiyo yakagamuchirwa microwave yekubvunza simba chiratidzo mune yakananga ikozvino kuti dunhu riri mumagetsi tag rishande, uye chimwe chikamu cheiyo microwave chiratidzo chesimba chinochengetwa mune yemagetsi tag Iyo data data inogadziridzwa (ASK) uye inoratidzwa kumashure kune muverengi. Mushure mekunge muverengi agamuchira iyo inoratidzwa amplitude modulation siginecha, inosarudza iyo inozivisa data data yakachengetwa mune yemagetsi tag. Munguva yekushanda kweiyo system, muverengi anotumira iyo microwave chiratidzo uye anogamuchira inoratidzwa amplitude modulation chiratidzo panguva imwe chete. Simba rechiratidzo chinotaridza hachina kusimba pane icho chechiratidzo chinotapurirwa. Naizvozvo, kuomerwa mukuita kwehunyanzvi kuri mukugamuchira co-frequency.

Electronic tag coupling ndeye kushandisa nzira dzakasiyana kufambisa masaini akasiyana.

Chinhambwe chekushanda pakati peredhiyo frequency tag uye muverengi muredhiyo frequency identification system inyaya yakakosha mukushandiswa kweredhiyo frequency identification system. Kazhinji, iyi chinhambwe chekushanda chinotsanangurwa sechinhambwe pakati peredhiyo frequency tag uye muverengi kuti achinjire data zvakavimbika. Huwandu hweredhiyo frequency identification system indekisi yakazara, inowirirana zvakanyanya nemamiriro ekufananidza eredhiyo frequency tag nevaverengi. Zvinoenderana nechinhambwe cheredhiyo frequency identification system, kubatana pakati peredhiyo frequency tag antenna uye antenna yemuverengi inogona kukamurwa kuita mapoka matatu.

(1) Yakanyatsobatanidzwa system. Iyo yakajairika yekushanda kureba kweiyo system inotangira kubva ku0 kusvika 1cm. Mumashandisirwo anoshanda, zvinowanzodikanwa kuisa iyo redhiyo frequency tag muverengi kana kuiisa pamusoro peantenna yemuverengi. Iyo yepedyo yekubatanidza sisitimu inoshandisa iyo inductive coupling (yakavharwa magineti wedunhu) pakati peredhiyo frequency tag uye muverengi antenna reactive padhuze-munda nharaunda kuti iite isingabatanidzi nzvimbo ruzivo rwekufambisa radio frequency chiteshi. Iyo frequency yekushanda yeiyo yakasimba yakabatana system inowanzo ganhurwa kune chero frequency pazasi 30MHz. Sezvo kubuda kwemagetsi kweiyo nzira yepedyo yekubatanidza idiki uye simba rinowanikwa nekubatanidza rakakura, rakakodzera masisitimu ekushandisa (senge emagetsi makiyi egonhi) anoda kuchengetedzeka kwakanyanya uye asina zvinodikanwa zvechinhambwe chekushanda.

(2) Telecoupling system. Iyo yakajairika yekushanda chinhambwe che telecoupling system inogona kusvika lm. Iyo telecoupling system inogona kupatsanurwa kuita mhando mbiri: iyo iri padyo-yakabatana sisitimu (yakajairika nhanho yekushanda i15cm) uye yakabatana zvishoma system (yakajairika yekushanda kureba lm). Iyo yakajairika yekushanda frequency yeiyo kure coupling system ndeye 13.56MHz, uye kune zvakare mamwe ma frequency, akadai 6.75MHz, 27.125MHz zvichingodaro. Musiyano mukuru pakati peiyo telecoupling system uye yakasimba coupling system ndeyekuti simba reiyo inductive coupling rakasiyana, izvo zvinoita kuti chinhambwe chekubatanidza chakasiyana. Remote coupling masisitimu achiri iwo makuru emutengo wakaderera radio frequency identification system.

(3) Kureba hurongwa. Iyo yakajairika yekushanda chinhambwe cheiyo kureba sisitimu ndeye 1～10m, uye masisitimu ega ega ane chinhambwe chekushanda chakareba. Ese masisitimu echinhambwe anoshandisa electromagnetic coupling (electromagnetic wave emission and reflection) pakati peredhiyo frequency tag uye antenna yemuverengi kupenya nzvimbo yemunda iri kure kuti igadzire isingabatanidzi ruzivo rwenzvimbo yekufambisa radio frequency chiteshi. Iyo yakajairika yekushanda frequency yehurefu-refu system ndeye 915MHz, 2.45GHz, 5.8GHz, nekuwedzera, kune mamwe ma frequency, akadai 433MHz zvichingodaro. Iwo maredhiyo eredhiyo ma tag eredhiyo kureba akakamurwa kuita passive radio frequency tag (isina mabhatiri) uye semi-passive radio frequency tag (ane mabhatiri) zvichienderana nekuti ane mabhatiri. Kazhinji, huwandu hweredhiyo frequency tag ine bhatiri yakareba kupfuura yeredhiyo frequency tag isina bhatiri. Bhatiri riri musemi-passive redhiyo frequency tag haripe simba rekufambisa data pakati peredhiyo frequency tag nemuverengi, asi rinongopa simba reredhiyo frequency tag chip kuti ishandire kuverenga nekuchengetedza data. Iyo yekureba sisitimu inowanzo tora iyo yekuratidzira modulation yebasa modhi yekuona iyo data kutapurirana kubva kune redhiyo frequency tag kuenda kumuverengi/munyori. Masisitimu echinhambwe anowanzo kuve akajairwa, uye mutengo weredhiyo frequency tag uye vaverengi uchiri padanho repamusoro. Kubva pakuona kwehunyanzvi, hurongwa hwekureba hunosangana nehunhu hunotevera ndiyo yakanakira RFID system: RFID tags ndeye passive uye inogona kuverengwa nekunyorwa isina waya; RFID tag uye vaverengi vanotsigira akawanda-tag kuverenga nekunyora; akakodzera kuzivikanwa kwepamusoro-speed zvinhu zvinofamba (Iyo chinhu chinofamba nekukurumidza chinodarika 80kin/h); kureba (kureba nekunyora kureba kupfuura 5-10m); mutengo wakaderera (uyo unogona kusangana nezvinodiwa zvenguva imwe chete yekushandisa).