Limbikitsani Ntchito ndi LF Long Range Tags Lero
Apr 13, 2026
Siyani uthenga
Mwina mudauzidwa kuti ngati pulogalamu yanu ikufunika kupitilira ma centimita 10, muyenera kusinthana ndi UHF. Malangizowo amakhala pafupifupi 70% yanthawiyo-koma 30% ina ikukhudza malo omwe UHF simagwira ntchito: mizere yopondaponda yozunguliridwa ndi zida zachitsulo, zipata za ziweto zokhala ndi nyama zonyowa zikudutsa, kapena njira zolowera komwe kutulutsa 125 kHz sikuli koyenera.
Chida ichi ndi cha 30%. Tidutsa pazomwe zimakulitsa mtunda wowerengeka pafupipafupi, pomwe fiziki imapanga malire olimba, ndi zolakwika zotumizira zomwe tawona kukhetsa ndalama za polojekiti popanda kukonza vuto lalikulu. Ngati mfundo yanu ikufuna 60 cm mpaka 1 mita ikuwerengedwa muzitsulo-zolemera kapena zamadzimadzi-zoyera, zomwe zili pansipa zitsimikizira kuti LF ndiye njira yanu kapena zingakupulumutseni kuti musawononge miyezi itatu poyesa kuigwiritsa ntchito pomwe sizingagwire.
Physics mu Chiganizo Chimodzi-ndi Chifukwa Chake Ikunena Nkhani Yonse
Low-Frequency RFID imasamutsa mphamvu kudzera mu ma inductive coupling osati ma electromagnetic radiation, nchifukwa chake ma passive tag amakhala pamwamba pafupifupi 10 cm. Koma ndiye maziko, osati denga.
Denga limatengera mitundu itatu yomwe imalumikizana m'njira zomwe pepala silingakuwonetseni: kukula kwa mlongoti wa antenna, malo a coil tag, ndi Q factor ya dera lowulutsa. Gulu lathu la mainjiniya linayerekeza chaka chatha pogwiritsa ntchito zomwezoChithunzi cha EM4200pamitundu itatu ya coil. Koyilo yozungulira ya 45 mm idafika 24 cm pakupanga benchi yathu; makulitsidwe kwa 97 mm makolo amakona anayi kukankhira kuti 41 cm; koma kuwirikizanso ku mawonekedwe a 200 mm kumangowonjezera masentimita 18. Kuchepetsa kubweza kumayikidwa molimba pamene koyilo yafika pafupi ndi mlongoti wa owerenga pafupi ndi-malire.
Owerenga apadera a 125 kHz opangidwa kuti azitha kulowa mgalimoto-monga mndandanda wa Promag GP90{{3}idani 90 cm yokhala ndi makadi a ISO komanso mpaka 130 cm wokhala ndi makulidwe opitilira muyesozizindikiro za clamshellpansi pa 18-19V mphamvu. Machitidwe ozindikiritsa nyama pa 134.2 kHz kutsatiraISO 11784/11785 adalemba zowerengera kupitirira 2 metres m'malo olamulidwa, ngakhale makonzedwewo amagwiritsa ntchitoma antennasophatikizidwa m'mafelemu a zipata omwe sangafanane ndi mapazi ambiri amakampani.
Kaya LF ifika patali si funso-lingathe. Kaya ma antenna geometry ndi tag form factor yomwe imakufikitsani kumeneko ikuyenera kutumizidwa ndi pomwe mapulojekiti ambiri amalakwika asanayambe.
Njira Zitatu Zaukadaulo-ndi Chisankho Chomwe Chimagwiradi Ntchito
Ngati mukufuna ma tag a LF owerengeka pa 50 cm kapena kupitilira apo, mukusankha pakati pa njira zitatu. Umu ndi momwe timawatsogolera makasitomala pazisankhozo.
Ma antennas owerenga mopitilira muyeso amakhalabe olimbikira pamafakitale ambiri a LF omwe amatumizidwa nthawi yayitali.
Kuzungulira kwa 300-500 mm kumapanga minda yolimba yomwe imafika patsogolo. Tidatumiza izi kuti zizindikiritse magalimoto pamalo ogawa ku Guadalajara-pansi-zilupu zotsekeka pansi pa msewu, GP90-owerenga ogwirizana, ma tag a clamshell pa ma windshields. Werengani mtunda: 95 masentimita modalirika, 110 masentimita m'malo abwino. Kugwira: mlongoti wa mlongoti sufika nthawi zambiri-zolowera m'zipinda zowongolera, ndipo mufunika ma Q opitilira 100 kuti musawononge mphamvu ngati kutentha. Njirayi imagwira ntchito mukamayang'anira zomangamanga ndipo mutha kumanga mozungulira kukula kwa tinyanga. Mtengo wa pa tagi umakhala mu $0.35–0.80 kutengera mawonekedwe; ndalama zenizeni ndikuyika owerenga.
Semi{{0}passive tagsinthani dongosolo la mtengo.
Izi zimayika batire kuti ipangitse mphamvu ya chip koma kudalira gawo la owerenga kuti lipezekenso. Kuyesa kwathu kwamkati kumawonetsa 35–45% kuonjezereka kuyerekeza ndi zongoyerekeza pa wowerenga yemweyo-koma pa-mtengo wa tagi umakwera kufika pa $1.50–3.50 malingana ndi malo otsekeredwa. Battery imakhala ndi moyo kwa zaka 5-7 nthawi zonse (kuwerenga kumodzi pamphindi, maola 8/tsiku), koma imatsika mofulumira posungirako mozizira kapena{11}mapulogalamu apamwamba kwambiri.
Nali lamulo lachigamulo lomwe timagwiritsa ntchito mkati, kutengera kutengera mtengo pama projekiti pafupifupi 40 kuyambira 2021:Ngati mumagwiritsa ntchito ma tag pamwezi osakwana mayunitsi 300 ndipo mtunda wofunikira kuti muwerenge ndi wochepera 80 cm, tinyanga zazikuluzikulu nthawi zonse zimapambana pamtengo wonse. Kupitilira mayunitsi 300/mwezi ndi zowerengera kupitirira mita imodzi, thamangani -zaka zitatu za TCO kuyerekeza pakati pa ma semi-passive tag ndikuwonjezera zowerengera zambiri ndi ma passive tag.Masamu amenewo amasinthasintha kutengera mtengo wantchito yanu pakuyika owerenga.
Ma beacons a LF amakhalapo koma samveka bwino pantchito zozindikiritsa.
Ma transmita amagetsi-amene amayambitsa kulankhulana angathe kupitirira mamita 10, koma panopa simukuchita "LF RFID" monga momwe zimakhalira kale-zambiri mwa makinawa amagwiritsa ntchito zizindikiro za LF kudzuka{3}}zolumikizidwa ndi{4}}matchanelo apamwamba kwambiri. Tanenapo izi pakutsata magalimoto akumigodi komwe UHF sinathe kulowa m'thupi la ore, koma pazidziwitso zamafakitale, kuwongolera nthawi zambiri kumapha bizinesiyo.
Ngati mukuwunika ma tag a LF-osiyanasiyana kuti atumizidwe mochuluka, tsamba lazogulitsa silikuwuzani njira yoyenera patsamba lanu. Chilengedwe chidzatero.
Pamene LF Ichita Kuposa UHF-ndi Zomwe Sizikuchita
M'malo okhala ndi zitsulo kapena zamadzimadzi, chizindikiritso cha LF chotalikirapo-chimatsimikizira kudalirika kwa kuwerenga komwe UHF imavutikira kuti ifanane. The Physics: UHF siginecha pa 860–960 MHz imayang'ana pamwamba pa conductive ndi kuyamwa m'madzi-zinthu zolemera; Maginito a LF amadutsa ndikuchepetsa pang'ono.
Tidatumiza ma tag a LF ku North American Tier-1 wogula magalimoto akutsatira mapanelo a thupi opakidwa utoto kudzera pa cholumikizira zitsulo za oven, chinyezi mu primer yosachiritsika, zovuta zonse. Mlingo wolakwika: 0.08%. Woyendetsa wa UHF wam'mbuyomu sanathe kutsika ndi 4% chifukwa chakuwunikira. Pakugwiritsa ntchito, LF inali chisankho chokhacho chotheka.
Chinthu chimodzi chokha choyenera kukumbukira:-mawonekedwe akulu a UHF pa-ma tag achitsulo apita patsogolo kwambiri. Ngati malo anu achitsulo ndi athyathyathya, ofananira, ndipo mutha kutsimikizira kukhazikika kwa ma tag, zinthu ngati Xerafy PICO mndandanda kapena Confidex Ironside tsopano zikuyandikira kudalirika kwa LF kwinaku mukupereka zowerengera za mita 3-5. Tawona ntchitoyi pakutsata pallet pomwe tag imakwera pamalo omwewo nthawi zonse. Sizigwira ntchito ngati ma tag akuyenda mosadziŵika mogwirizana ndi owerenga{7}}zimene zimafotokoza za ziweto zambiri ndi mizere yambiri-.
Kuwunika moona mtima: LF extended-read solutions imakhala ndi bandi yeniyeni-0.5 mpaka 2 metres, malo amtundu wa RF, mapulogalamu pomwe-kukhudzika kwa mtengo wa tag ndikotsika poyerekeza ndi mtengo wowerengera wowerengera. Kunja kwa gululo, UHF nthawi zambiri imapambana. Mkati mwake, UHF nthawi zambiri imalephera. Dziwani kuti ndi gulu liti lomwe polojekiti yanu ikugwera musanatchule chilichonse.
Kukanika Kutumiza Takukonza
Kulakwitsa kokwera mtengo kwambiri mu LF long-mapulojekiti a RFID akutali sikugula zida zolakwika-ndikuyika zida zolondola molakwika. Nazi njira zitatu zolephera zomwe tayitanidwa kuti tikonze.
Kuwerenga kwa Phantom kuchokera kwa owerenga omwe ali ndi mphamvu adapha pulojekiti ya Monterrey Logistics tisanatenge nawo mbali.Wophatikizirayo adakhala milungu itatu akuthetsa vuto la ghost. Wowerengayo adakhazikitsidwa kuti azitsatira malamulo ambiri, kukulitsa gawolo kupitilira gawo lomwe awerengedwera ndikutola ma tag m'misewu yoyandikana nayo. Kukonzekera kwathu kunatenga maola awiri: mphamvu mpaka 60% (pafupifupi 18 dBm), onjezani mapanelo a RF pamalire a zone. Zotsutsa, koma zotsika mphamvu zinapanga deta yoyeretsa.
Labu-malo ovomerezeka sapezeka ndi zitsulo.Wowerenga wokwera masentimita 30 kuchokera pamtengo wachitsulo amatha kutaya theka laubwino wake chifukwa cha mafunde omwe amasokoneza geometry yam'munda. Tsopano tikufunika{2}}kufufuza kaye malo oti titumizidwe pogwiritsa ntchito spectrum analyzer pa ntchito iliyonse yokhudzana ndi zitsulo. Sichisawawa-ndikusiyana pakati pa makina omwe amagwira ntchito tsiku loyamba ndi loyamba lomwe likufunika kuyikanso kawiri mukapita-pamoyo.
Yaiwisi amawerenga poipitsidwa mwachindunjiWMSkuwononga kulondola kwa data.Popanda kusefa middleware-kuchotsa kawiri, khalani-kufikira nthawi, zone{2}}kutengera kutsata-kulondola nthawi zambiri kumakhala pansi pa 75%. M'magawo atatu a LF-mpaka{7}}kuphatikiza kwa WMS komwe tafufuza zaka ziwiri zapitazi, kulondola koyambirira tisanasefe kunali kuyambira 68% mpaka 79%. Hardware idagwira ntchito bwino; kuphatikiza mapulogalamu sanatero.
Ngati mukuyang'ana ma tag aatali a LF kuchokera kwa ogulitsa atsopano, funsani momwe amachitira izi. Wothandizira omwe amangogulitsa ma tag ndikulozerani kwinakwake kuti muwerenge owerenga kapena kuthandizira kuphatikizira akukupatsani magawo popanda malangizo a msonkhano.
Kusankha Hardware Popanda Kulipira Kwambiri
Pogula zambiri za 125 kHz zowonjezera-ma tag owerengera, pepalali limakhala locheperako poyerekeza ndi momwe amatumizira. Chizindikiro cha 80 cm pa benchi chikhoza kutulutsa masentimita 40 pamitengo yoponderezedwa yozunguliridwa ndi zotenthetsera.
Izi ndi zomwe timauza makasitomala kuti achite musanapange maoda a volume.
Funsani-chitsimikizo chachindunji.Funsani ogulitsa kuti akuyeseni zida zanu zenizeni-kapena osachepera, zida zokhala ndi makulidwe ofanana ndi makulidwe ake. Ngati sangathe kukupatsani -mapindi a mtunda wowerengeka malinga ndi momwe mulili, ndiye chizindikiro chofiyira.
Werengetsani mtengo wonse wadongosolo, osati mtengo wagawo.Makhadi a Clamshell okhala ndi makoyilo akuluakulu amawononga ndalama zambiri pagawo lililonse koma akhoza kukulolani kugwiritsa ntchito owerenga ochepa. Ma tag a epoxy disc pa-kuyika zitsulo amawonjezera mtengo wina koma amachotsa kufunikira kwa hardware ya spacer. Chizindikiro chotsika mtengo pagawo lililonse sichitha kukhala makina otsika mtengo kwambiri omwe amagwiritsidwa ntchito.
Yang'anani ziphaso motsutsana ndi chilengedwe chanu.FCC Part 15 ndi CE ndizoyambira. Kutumizidwa kumafakitale kumafunikira kwambiri zotsekera za IP67/68 za owerenga komanso kukana kwamankhwala kwa ma tag omwe ali ndi zoziziritsa kukhosi kapena zoyeretsa. Kudula ngodya apa kutembenuza projekiti yayikulu kukhala chinthu chamzere chokhazikika.
Timasunga zinthu zodziwika bwino za 125 kHz ndi 134.2 kHz pazogwiritsa ntchito mafakitale. Ngati mukufuna kuchita cheke ndi gulu lanu la ainjiniya, titumizireni zoyezetsa zanu za ntchito-mtundu wa chinthu, mtunda wofunikira wowerengera, voliyumu ya pamwezi, momwe chilengedwe chikuyendera{4}}ndipo tidzakonza njira zofananira ndi -zaka zitatu zoyerekeza mtengo mkati mwa maola 48.Funsani kukambilana kwaukadaulo →
FAQ
Q: Kodi ndimawerengera zotani zomwe ndingayembekezere kuchokera ku ma tag a LF?
A: Makadi a ISO-wamba amafika 60–100 cm ndi owerenga bwino; mawonekedwe a clamshell okulirapo amatha kupitilira 130 cm. Koma manambalawa amangoganiza kuti zinthu zili bwino-kuyandikira kwachitsulo ndi ma tag kungathe kuchepetsa mphamvu ndi 40–50%. Njira yokhayo yodziwira kuchuluka kwanu ndikuyesa zida zanu zenizeni.
Q: Kodi ma tag a LF amagwira ntchito modalirika pamalo achitsulo?
A: Kuposa UHF nthawi zambiri, chifukwa maginito a LF amadutsa-zitsulo zosakhala zachitsulo ndipo zimatsika pang'ono. Koma malo akuluakulu achitsulo amathabe kusokoneza munda. Pa-zoyika zitsulo, funsani ma tag okhala ndi{4}}mkati mwa spacers kapena ferrite backing.
Q: Kodi ma semi-opanda ma tag a LF amafanana bwanji ndi zosankha zonse?
A: Semi-kungokhala chete kumafikira 35–45% pakuyesa kwathu, koma kumawononga 3–5× kuchulukira pa tagi iliyonse ndipo pamafunika kuwongolera moyo wa batire. The breakeven imadalira -kuchulukira kwa mapointi ndi ndalama za ogwira ntchito{7}tikhoza kufananitsa masanjidwe anu enieni ngati mutitumizira magawo atsamba.
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