Masu shigar da ƙofofi ta atomatik sau da yawa suna zaɓar fasahar firikwensin motsi mara kyau don yanayin shigarwa, wanda ke haifar da abubuwan da ke haifar da kuskure, kuskuren ganowa, ko gazawar firikwensin da wuri. Kuskuren da aka fi sani shine amfani da firikwensin PIR (infrared mai wucewa) don shigarwar ajiya ta waje ko sanyi, inda bambancin zafin jiki ya ragu kuma firikwensin ko dai ya kasa gano ko ya haifar da abubuwan da ke haifar da ƙarya daga abubuwan muhalli. Zaɓin firikwensin daidai yana buƙatar fahimtar kwatancen fasaha mai girman 6 tsakanin firikwensin microwave, PIR, da AIR.

Wannan jagorar ta sake tsara wannan shawarar ga masu shigar da ƙofofi ta atomatik, masu haɗa tsarin, da ƙungiyoyin siyan ayyuka. Ta yi amfani da shekaru 15+ na kamfanin Ningbo Yufan Beifan Automatic Door Co., Ltd.samfuroriKwarewar ƙira ga masu sarrafa ƙofofi da na'urori masu auna sigina ta atomatik, gami da filin jirgin sama, asibiti, wurin ajiye sanyi, rumbun ajiya, da kuma shigarwar kasuwanci.

Abin da Na'urori Masu auna Motsi na Microwave da Infrared ke nufi ga Ƙofofi Masu Aiki da Kai

Na'urori masu auna motsi na microwave suna fitar da siginar microwave mai ƙarfin 24.125 GHz (mita da aka ware don aikace-aikacen masana'antu, kimiyya, da likitanci) kuma suna gano motsi bisa ga canjin mitar Doppler na siginar da aka nuna. Lokacin da wani abu ya motsa zuwa ko nesa da firikwensin, mitar siginar da aka nuna ana canza ta daidai gwargwado zuwa ga saurin abu. Na'urar aunawa tana gano wannan canjin mita kuma tana kunna ƙofar atomatik. Na'urori masu auna motsi na microwave na iya gano motsi ta yawancin kayan da ba na ƙarfe ba (roba, gilashi, itace, busasshen bango) kuma yanayin zafi na yanayi, danshi, ko hasken rana kai tsaye ba ya shafar su.

Na'urorin firikwensin infrared (PIR) masu wucewa suna gano hasken infrared da jikin ɗumi ke fitarwa da ke kusantar ƙofar. Na'urar firikwensin tana ɗauke da wani abu mai kama da pyroelectric wanda ke samar da ƙarfin lantarki lokacin da aka fallasa shi ga hasken infrared a cikin kewayon tsawon 8-14 µm, wanda shine tsawon tsayin da jikin ɗan adam ke fitarwa. Na'urorin firikwensin PIR suna buƙatar bambancin zafi tsakanin mutumin da ke gabatowa da kuma bayan gida don kunna shi. Na'urorin firikwensin PIR ba sa shafar motsin iska amma hasken rana kai tsaye, hanyoyin dumama, da kuma saurin canjin zafin jiki na iya shafar su.

Na'urorin firikwensin infrared (AIR) masu aiki suna amfani da na'urorin firikwensin guda biyu da masu karɓa. Mai fitar da haske yana fitar da hasken infrared zuwa ga mai karɓar, kuma mai karɓar yana gano katsewar hasken ta hanyar wani abu. Ana amfani da na'urorin firikwensin AIR a matsayin na'urori masu firikwensin tsaro a ƙofar ƙofa don gano kasancewar mutum ko abu yayin rufe ƙofa, wanda ke hana ƙofar rufewa a kan cikas ɗin. Na'urar firikwensin Ningbo Yufan Beifan M-254 tana haɗa PIR (kunnawa) + AIR (aminci) don ƙofofin atomatik na cikin gida.

Tsarin Kwatanta Fasaha Mai Girma 6

Ma'aunin kwatancen mai girma 6 da ke ƙasa ya ƙunshi ƙayyadaddun fasaha na fasaha na fasahar firikwensin guda uku da aka saba amfani da su a cikin shigarwar ƙofofi ta atomatik. Kowane girma ƙayyadaddun bayanai ne da za a iya aunawa wanda ke shafar zaɓin firikwensin.

Matrix mai girman 6 ya nuna cewa babu wata fasahar firikwensin da ta fi kyau a ko'ina. Na'urorin firikwensin na microwave sun yi fice a waje, a cikin sanyi, da kuma a cikin masana'antu inda PIR ya gaza. Na'urorin firikwensin na PIR sun yi fice a cikin muhallin cikin gida inda bambancin zafin jiki yake da aminci kuma abin da ke haifar da ƙarya daga abubuwan muhalli yana da ƙasa. Na'urorin firikwensin AIR dole ne a yi amfani da su don amfani da hasken tsaro a ƙofar ƙofa. Ga yawancin shigarwar ƙofa ta atomatik, daidaitaccen tsari shine na'urar firikwensin kunnawa ta PIR ko microwave + na'urar firikwensin aminci ta AIR.

Bambancin lokacin amsawa yana da mahimmanci ga na'urori masu kunna na'urori. Na'urori masu auna zafin jiki na microwave suna amsawa cikin 50-100 ms, wanda ya fi sauri fiye da na'urori masu auna zafin jiki na PIR (200-500 ms). Ga ƙofofi masu yawan zirga-zirgar ababen hawa (filin jirgin sama, ƙofar asibiti), saurin lokacin amsawa na na'urori masu auna zafin jiki na microwave yana rage jinkirin buɗe ƙofa da ake ji. Ga ƙofofi masu ƙarancin zirga-zirgar ababen hawa (ginin ofis, ƙofar zama), lokacin amsawa na PIR ya isa. Na'urar firikwensin Ningbo Yufan Beifan M-254 tana haɗa PIR (kunnawa) tare da lokacin amsawa da sauri don shigarwa na cikin gida masu yawan zirga-zirgar ababen hawa.

Yanayi 5 na Shigarwa: Filin Jirgin Sama / Asibiti / Ajiya Mai Sanyi / Waje / Masana'antu

Yanayin shigarwa guda 5 da aka tsara a ƙasa sun shafi yanayin aikace-aikacen farko don na'urori masu auna motsi na microwave da infrared a cikin ƙofofi na atomatik. Kowane yanayi yana da alaƙa da fasahar firikwensin da aka ba da shawarar, matsayin hawa na yau da kullun, da takamaiman ƙuntatawa na muhalli.

Yanayi guda 5 sun shafi yanayin aikace-aikacen da ake amfani da su. Ga filin jirgin sama, fikafikan cikin gida suna amfani da PIR (wanda ake sarrafa yanayi) kuma fikafikan waje suna amfani da microwave (hasken rana da ruwan sama). Ga asibiti, PIR daidaitacce ne saboda hanyar tana da yanayin da ake sarrafa yanayi kuma zafin jiki abin dogaro ne. Don ajiyar sanyi, microwave dole ne saboda PIR ya gaza ƙasa da 0°C. Ga waje da masana'antu, microwave daidaitacce ne saboda PIR yana shafar hasken rana kai tsaye, canjin zafin jiki mai sauri, da EMI na masana'antu.

Matsayin hawa yana da matuƙar muhimmanci ga aikin firikwensin. Firikwensin da aka ɗora a rufi (tsawo mita 2.5-3) suna ba da faffadan rufewar ganowa kuma suna guje wa toshewa ta hanyar abubuwan da ke wucewa. Firikwensin da aka ɗora a bango (tsawo mita 1.5-2) suna ba da ƙarin haske a hanyar da ta dace. Firikwensin Ningbo Yufan Beifan M-254 an ƙera shi ne don hawa rufi ko bango tare da kusurwar ganowa da zurfin da za a iya daidaitawa.

Nazarin Yanayi 4: Zaɓin Na'urori Masu Sauƙi a cikin Shigarwa na Gaske

Nazarce-nazarce guda huɗu na gaske sun nuna daidai da rashin daidai na amfani da na'urori masu auna motsi na microwave da infrared a cikin ƙofofi na atomatik. Kowane akwati yana nuna yanayin shigarwa, na'urar aunawa da aka zaɓa, da kuma aikin da aka samu.

Shari'a ta 1: Fikafikan Tashar Filin Jirgin Sama (Aikace-aikacen da ya dace)

Ginin tashar jirgin sama ta Turai yana da ƙofofi masu sarrafa kansu a ƙofar shiga ta cikin gida (wanda yanayi ke sarrafawa) da kuma fikafikan waje (hasken rana kai tsaye). Firikwensin kunnawa na fikafikan waje shine firikwensin microwave (24.125 GHz, nisan mita 5) wanda aka sanya a tsayin mita 2.5. Firikwensin kunnawa na ƙofar shiga ta cikin gida firikwensin PIR ne (nisan mita 4) wanda aka sanya a tsayin mita 2. Firikwensin tsaro shine fitilar aminci ta AIR a ƙofar ƙofar. Sakamakon shine kunnawa akai-akai a cikin mahalli biyu ba tare da abubuwan da ke haifar da ƙarya daga hasken rana ko yanayi ba.

Shari'a ta 2: Wurin Ajiye Sanyi (Aikace-aikacen da ya dace)

Wurin sarrafa abinci yana da ƙofofi masu sarrafa kansa a ƙofar ajiyar sanyi (zafin yanayi -25°C). Firikwensin kunnawa shine firikwensin microwave (24.125 GHz, nisan mita 3) wanda aka sanya a tsayin mita 2.5 tare da kusurwar ganowa zuwa digiri 30 don hana abubuwan da ke haifar da karya daga ɗakunan ajiyar sanyi da ke kusa. Firikwensin tsaro shine fitilar kariya ta AIR a ƙofar ƙofar tare da mai karɓar wutar lantarki yana dumama don hana cunkoso. Sakamakon shine kunnawa da aminci akai-akai a cikin yanayin ajiyar sanyi.

Shari'a ta 3: Hanyar Asibiti (Aikace-aikacen da ya dace)

Hanyar shiga asibiti tana da ƙofofi masu sarrafa kansu tsakanin wurin jira da kuma sashen (wanda yanayi ke sarrafawa, 22°C). Firikwensin kunnawa firikwensin PIR ne (mita 4) wanda aka sanya a tsayin mita 2 tare da kusurwar ganowa zuwa digiri 90. Firikwensin tsaro fitilar aminci ce ta AIR a bakin ƙofar. Sakamakon haka, kunnawa akai-akai ba tare da wata matsala daga hanyoyin shiga HVAC ko hasken hanyar shiga ba.

Shari'a ta 4: Ma'ajiyar Waje tare da PIR (Aikace-aikacen da ba daidai ba)

Shigar da wani rumbun ajiya ya yi amfani da na'urori masu auna PIR don ƙofofi na atomatik na waje. Na'urorin auna PIR sun sha wahala daga abubuwan da ke haifar da rashin haske a cikin hasken rana kai tsaye a ranakun zafi (PIR ta gano saman ƙofar ƙarfe mai ɗumi a matsayin bambancin zafi na jiki). Mai sakawa ya canza zuwa na'urori masu auna microwave kuma ya dawo da ingantaccen kunnawa. Darasin shine cewa PIR don muhallin da ke sarrafa yanayi na cikin gida ne, kuma shigarwar waje tana buƙatar na'urori masu auna microwave.

Dokokin EN 16005 da ANSI BHMA A156.10

EN 16005 (ƙa'idar Turai don ƙofofin masu tafiya a ƙasa masu amfani da wutar lantarki) da ANSI BHMA A156.10 (ƙa'idar Amurka don ƙofofin da ke aiki da wutar lantarki) sun ƙayyade buƙatun aminci don shigar da ƙofa ta atomatik. Duk ƙa'idodin suna buƙatar na'urar firikwensin tsaro a ƙofar ƙofa don gano kasancewar mutum ko abu yayin rufe ƙofa. Na'urar firikwensin tsaro dole ne ta kasance mai aiki da infrared (AIR) ko fasaha iri ɗaya wacce ke gano abin ko da lokacin da abin yake a tsaye.

EN 16005 ta ƙayyade cewa na'urar kunna na'urar na iya zama microwave, infrared, ko wasu fasahohi, amma na'urar firikwensin tsaro dole ne ta kasance mai tushen infrared ko makamancin haka. Ma'aunin kuma ya ƙayyade kewayon gano na'urorin firikwensin tsaro, lokacin amsawa, da kuma hanyar gwaji. Ga ƙofofi masu atomatik a cikin hanyoyin tserewa (mafita daga wuta), EN 16005 yana da ƙarin buƙatu don sake kunna na'urar firikwensin tsaro da kuma aikin da ba shi da lahani.

ANSI BHMA A156.10 ta ƙayyade irin waɗannan buƙatu ga kasuwar Amurka. Ma'aunin yana buƙatar na'urar firikwensin tsaro ta gano mutumin da ke tsaye a ƙofar na tsawon aƙalla daƙiƙa 30, kuma ƙofar dole ne ta juya ko ta tsaya cikin daƙiƙa 2 bayan an gano ta. Ma'aunin kuma yana buƙatar a gwada na'urar firikwensin tsaro kowace shekara da wani abu na gwaji. Ningbo Yufan Beifan yana samar da na'urori masu auna sigina waɗanda suka cika buƙatun EN 16005 da ANSI BHMA A156.10 a matsayin mizani.

Matsaloli 5 da Aka Fi Amfani da Su Lokacin Zaɓar Na'urori Masu auna Motsi

Matsaloli guda biyar suna bayyana akai-akai a cikin zaɓin na'urorin firikwensin motsi don ƙofofi na atomatik. Kowannensu yana da sauƙin gujewa a matakin tsarawa kuma yana da tsada a gyara bayan shigarwa.

Matsalar 1: Amfani da PIR don Shigar da Ajiya a Waje ko Sanyi

Matsalar da aka fi sani ita ce amfani da na'urori masu auna zafin jiki na PIR don shigarwar ajiya ta waje ko sanyi. PIR yana buƙatar bambancin zafin jiki, wanda ke raguwa a yanayin waje (hasken rana, yanayi) ko ajiyar sanyi (yanayi ƙasa da 0°C). Sakamakon shine rashin ganowa ko abubuwan da ke haifar da ƙarya. Gyaran shine amfani da na'urori masu auna zafin jiki na microwave don shigarwar ajiya ta waje da sanyi. Ana ba da shawarar na'urar firikwensin PIR + AIR ta Ningbo Yufan Beifan M-254 don shigarwar cikin gida kawai; don shigarwar waje, nemi zaɓin na'urar firikwensin microwave.

Matsalar 2: Mantawa da Na'urar Firikwensin Tsaro a Ƙofar Ƙofa

Wasu masu shigarwa suna zaɓar na'urar firikwensin kunnawa kawai kuma suna manta da na'urar firikwensin tsaro a bakin ƙofar. Na'urar firikwensin tsaro dole ne a ƙarƙashin EN 16005 da ANSI BHMA A156.10. Rashin na'urar firikwensin tsaro yana haifar da haɗari inda ƙofar za ta iya rufewa ga mutum ko abu. Gyaran shine a ƙayyade na'urar firikwensin tsaro (AIR) ban da na'urar firikwensin kunnawa, da kuma tabbatar da bin ƙa'idar na'urar firikwensin tsaro.

Matsalar 3: Matsakaicin Girman Ganowa don Saurin Buɗe Ƙofa

Dole ne a sami damar gano firikwensin kunnawa kafin mutumin ya isa ƙofar ƙofar. Domin buɗe ƙofa cikin daƙiƙa 2 (wanda aka saba gani a ƙofar zamiya ta atomatik), firikwensin kunnawa dole ne ya gano mutumin aƙalla mita 2 kafin ƙofar (idan aka yi la'akari da saurin tafiya na m1/s). Gyaran shine a saita kewayon ganowa zuwa mita 2-3 don shigarwa na yau da kullun da kuma mita 3-5 don shigarwar ababen hawa masu yawan zirga-zirga.

Kuskure na 4: Yin watsi da Tushen Abubuwan da ke Faruwa na Ƙarya

Ko da tare da ingantaccen fasahar firikwensin, abubuwan da ke haifar da ƙarya na iya faruwa daga tushen waje. Ga na'urori masu auna microwave, hanyoyin da ke haifar da ƙarya sun haɗa da abubuwa masu motsi a wajen yankin ganowa da aka nufa (motoci, kekunan hawa, bishiyoyi masu girgiza), hanyoyin HVAC da ke busawa ta yankin ganowa, da kuma girgiza tsarin hawa. Ga na'urori masu auna PIR, hanyoyin da ke haifar da ƙarya sun haɗa da hasken rana kai tsaye, hanyoyin dumama, da kuma saurin canjin zafin jiki. Gyaran shine a tabbatar da yanayin shigarwa don tushen abubuwan da ke haifar da ƙarya kuma a daidaita kusurwar gano na'urori masu auna firikwensin da kuma yadda ya kamata.

Matsalar 5: Rashin Ingantaccen Tsarin Kebul da kuma Kare Ruwa

Ga shigarwar kebul na firikwensin a waje ko a cikin sanyi, hanyar sadarwa ta kebul na firikwensin da kuma hana ruwa shiga suna da matuƙar muhimmanci. Dole ne a kimanta kebul ɗin don yanayin zafi na yanayi (ajiyar sanyi: -40°C mai ƙimar kebul), kuma dole ne a sanya masa kariya daga ruwa don hana shigar da danshi. Gyaran shine a ƙayyade ƙimar kebul da hana ruwa shiga yanayin shigarwa, da kuma tabbatar da hanyar sadarwa ta kebul yayin shigarwa. Ana auna kebul na firikwensin Ningbo Yufan Beifan daga -40 zuwa +80°C tare da masu haɗin IP67 masu hana ruwa shiga.

Hanyar Zaɓin Na'urar Firikwensin Motsi Mataki 6

Hanyar zaɓi mai matakai 6 da ke ƙasa ta shafi masu shigar da ƙofa ta atomatik waɗanda ke zaɓar na'urori masu auna motsi na microwave ko infrared. Kowane mataki yana da fitarwa mai aunawa wanda ke shiga cikin mataki na gaba.

1. Mataki na 1: Gano yanayin shigarwa.Gano yanayin shigarwa (wanda ke kula da yanayin cikin gida, a waje, a ajiye a cikin sanyi, a masana'antu). Muhalli yana ƙayyade zaɓin fasahar firikwensin asali.
2. Mataki na 2: Tantance buƙatun ganowa.Kayyade kewayon ganowa (mita 1-5), kusurwar ganowa (digiri 30-120), da kuma saurin kusanci (mai tafiya a ƙasa, abin hawa). Bukatun suna ƙayyade ƙayyadaddun firikwensin.
3. Mataki na 3: Zaɓi fasahar firikwensin.Zaɓi fasahar firikwensin (microwave don ajiya a waje da sanyi, PIR don sarrafa yanayi a cikin gida, AIR don hasken aminci). Fasaha tana tantance samfurin firikwensin.
4. Mataki na 4: Tabbatar da bin ƙa'idodin EN 16005 / ANSI BHMA A156.10.Tabbatar da cewa na'urar firikwensin da aka zaɓa ta cika ƙa'idar aminci ta gida, sannan a ƙara na'urar firikwensin tsaro (AIR) idan an buƙata ta hanyar ƙa'idar.
5. Mataki na 5: Shirya rage tasirin abubuwan da ke haifar da matsala.Tsarin rage tasirin abin da ke haifar da kuskure: tsayin hawa, daidaita kusurwar ganowa, daidaita yanayin ji, na'urar firikwensin muhalli don waje.
6. Mataki na 6: Tabbatar da shigarwar kuma a yi gwaji.Tabbatar da aikin: gwajin tafiya, gwajin jawo ƙarya, gwajin bin ƙa'ida tare da ƙa'idar gida, haɗawa da mai sarrafa ƙofa.

Matakai 6 sun shafi sabbin shigar ƙofofi ta atomatik da kuma gyaran ƙofofi da ake da su. Don gyaran ƙofofi, mataki na 1 ya fara da yanayin da ake da shi kuma mataki na 6 ya tabbatar da sabon firikwensin. Don sabbin shigarwa, mataki na 1 ya fara da buƙatun mai ginin kuma mataki na 6 ya ba da umarni ga sabon firikwensin. Hanyar tana da ƙarfi a duk yanayin biyu.

Mafi kyawun Ayyukan Haɗa Firikwensin Tsayi, Kusurwoyi, da Wayoyi

Matsayin hawa, kusurwa, da wayoyi na na'urori masu auna motsi na microwave da infrared suna da mahimmanci don ingantaccen aikin ƙofa ta atomatik. Takamaiman ƙayyadaddun abubuwan hawa na nau'ikan na'urori masu auna firikwensin guda uku sune:

• Sanya Rufin Microwave:Tsawon mita 2.5-3, kusurwar gano digiri 30-90 da aka daidaita ta hanyar daidaitawar eriya, kewayon gano mita 1-5. Yawanci ana sanya firikwensin a tsakiyar buɗewar ƙofa ko kuma a ɗan daidaita shi zuwa gefen kusanci. Tsarin eriya yana da mahimmanci: a kusurwa zuwa ga alkiblar kusanci (yawanci digiri 15-30 daga tsaye) don haɓaka yankin ganowa a cikin hanyar kusanci.
• Shigar Bango ta PIR:Tsawon mita 1.5-2, kusurwar gano digiri 90-120 ta hanyar zaɓin ruwan tabarau, kewayon gano mita 2-4. Yawanci ana sanya na'urar firikwensin a bakin ƙofar ko a bango kusa da buɗe ƙofar. Daidaiton ruwan tabarau yana da mahimmanci: ruwan tabarau yana fuskantar alkiblar kusanci tare da wurin mayar da hankali a nisan tafiya na yau da kullun (2-3 m) daga na'urar firikwensin.
• Hasken Tsaron AIR:Tsawon mita 0.3-0.5 a bakin ƙofar, katako ɗaya ko tsarin katako mai yawa, nisan mita 0.5-2. Ana sanya mai fitar da iska da mai karɓa a gefuna daban-daban na buɗe ƙofar tare da katakon da ke ratsa ƙofar. Tsawon katakon yana da mahimmanci: mita 0.3-0.5 sama da ƙasa don gano ƙafa ko idon mutum da ke tsaye a bakin ƙofar.

Bayanan waya suna da mahimmanci don amincin firikwensin. Wayoyin da aka saba amfani da su sune mahaɗin fil 6 don na'urori masu haɗa firikwensin (M-254 yana amfani da fil 6), wutar lantarki ta DC 24V daga mai sarrafa ƙofa, fitowar sigina (lambar NO/NC) zuwa mai sarrafa ƙofa. Tsawon kebul bai kamata ya wuce mita 10 ba don guje wa lalacewar sigina. Don shigarwa a waje, dole ne a kimanta kebul ɗin don yanayin zafi na yanayi da kuma juriya ga yanayi (masu haɗin IP67). Na'urar firikwensin Ningbo Yufan Beifan M-254 tana amfani da mahaɗin fil 6 tare da ƙimar IP67 da ƙimar kebul -40 zuwa +80°C, wanda ya dace da yawancin yanayin shigarwa.

Haɗawa da mai sarrafa ƙofa yana buƙatar daidaitawar nau'in shigarwar firikwensin (NO/NC), jinkirin kunnawa (50-500 ms), da kuma amsawar firikwensin tsaro (juyawa ko tsayawa nan take). Yawancin masu sarrafa ƙofa na zamani (BF150, YF200, YFSW200) suna tallafawa haɗin firikwensin kai tsaye ba tare da ƙarin tsari ba. Ga tsofaffin masu sarrafa ƙofa, ana iya buƙatar module ɗin haɗin firikwensin don canza siginar firikwensin zuwa tsarin shigarwar da ake tsammani na mai aiki.

Tambayoyin da Ake Yawan Yi