Thermal sensors yakawana basa rinotungamirira mukushandurwa kwemagetsi emazuva ano., inobvumira zvese kubva pakuonekwa kwetembiricha isina kubatwa kusvika pakugadzirwa kwemifananidzo chaiyo inopisa. Pakati peese mamodheru aripo, iyo MLX90640 IR thermal sensor Iyo inomira kunze kwehukuru hwayo, hukuru hwayo compact uye kuita kwayo kusanganisa kuita akawanda ehunyanzvi uye DIY mapurojekiti.
Munyaya ino tichakuudza Zvese zvaunoda kuti uzive nezve MLX90640: mashandiro ayo, ayo makuru ehunyanzvi maficha, mashandisiro ayo, uye nei yave chirevo kune vese vanofarira zvemagetsi uye makambani emaindasitiri. Kana iwe uchitsvaga ruzivo rwakajeka, rwakadzama, uye runobatsira, ramba uchiverenga nekuti tichaitsanangura tisina kufanira hunyanzvi jagoni asi nemazvo nekudzika.
Chii chinonzi MLX90640 IR thermal sensor?
El MLX90640 Iyo infrared (IR) array thermal imaging sensor Yakagadzirwa naMelexis. Kusiyana neyakajairwa yekubata tembiricha sensors, ichi chishandiso chiri inokwanisa kuyera tembiricha iri kure uye pasina chikonzero chekusangana nemitumbi kana zvinhu. Inoshandisa array ye 32 x 24 pixels izvo zvinokutendera kuti utore a thermal imaging yenzvimbo kana nzvimbo iri mumunda wako wekuona.
Yayo compact fomati uye iyo yakaderera mutengo zvichiita kuti ive sarudzo yakanaka yezvakasiyana siyana zvekushandisa, kubva pakuvaka zvidzidzo zvinopisa kusvika kune zvekuchengetedza masisitimu, otomatiki yemba, kutarisa kwemaindasitiri, uye sainzi yevagari kana mapurojekiti ekutsvagisa.
Nekuvimba neinfrared tekinoroji, iyo MLX90640 inogona tsvaga uye mepu kugoverwa kwemafuta munguva chaiyo, ichigadzira mifananidzo iyo pixel yega yega inoenderana neyakasiyana tembiricha. Izvi zvinobatsira a kujeka kwekuona kwemafuta ekupisa aripo panzvimbo.
Hunhu hwehunyanzvi hunhu hweMLX90640
Iyo tekinoroji yakatarwa ndeimwe yeakanakisa anokwezva yeiyi sensor. Iyo MLX90640 ine a 32 x 24 pixel IR matrix, kureva, 768 tembiricha kuyerwa pfungwa akapararira pamusoro rectangular pamusoro. Ichi chigadziriso, kunyangwe chine mwero kana chichienzaniswa neanodhura-anodhura nyanzvi yekudziya yekufungidzira kamera, inopfuura kukwana kune kwakawanda kutarisa, kuongorora, uye prototyping maapplication.
Pakati pezvinhu zvayo zvinonyanya kukosha iwe unogona kuwana:
- Nzvimbo yekuona (FOV): Kune mavhezheni ane angularities akasiyana, mamodheru akajairika ari 55° y 110° nzvimbo yekuona. Iyo yakafara FOV inokutendera kuti uvhare nzvimbo dzakakura kamwechete.
- Thermal senitivity (NETD): Iyo MLX90640 inodada a Noise yakaenzana tembiricha musiyano we 0,1 K RMS chete pa 1 Hz refresh rateIzvi zvinovimbisa kuverenga kwakanyanya kwekushisa.
- Communication interface: Iyo inobatanidza zvakanyanya kuburikidza neiyo interface I2C, iyo inotsigirwa zvakanyanya nemapuranga akadai seArduino, Raspberry Pi kana ESP32. Iyo sensor inogadziriswa mukati Fast mode, inotsigira kusvika ku1 MHz data rate.
- Kuwedzera kumhanya: Inorongwa pakati pe0,5 Hz kusvika 64 Hz (yakaenzana ne0,25 kusvika 32 FPS), zvichikubvumira kuti ugadzirise chiyero chekuenzanisa maererano nezvinodiwa zvepurojekiti.
- Voltage Kuenderana: Inobvuma kushandiswa kwemagetsi e3.3V uye 5V nekuda kweiyo yakabatanidzwa voltage transducer. Izvi zvinoita kuti ive yakanaka kune akasiyana mapuratifomu ebudiriro.
- Accessories: Dzimwe shanduro dzinouya dzakashongedzerwa tambo dzakagumiswa muzvibatanidza zveDuPont zvechikadzi kufambisa zvisungo.
Mukuwedzera, iyo MLX90640 inowanikwa mumhando dzakasiyana-siyana, kubva pakugadzirira-kushandisa-modules kune barebone versions yekubatanidza zvakananga mumabhodhi emagetsi akaoma.
Iyo MLX90640 IR thermal sensor inoshanda sei?
Kushanda kwerudzi urwu rwe sensors kunobva pane kutorwa kwemwaranzi ye infrared inoburitswa nemitumbi. Chero chinhu chine tembiricha pamusoro pe zero yakakwana chinoburitsa infrared mwaranzi, uye nekupisa kwacho, ndiko kuwedzera kwemwaranzi iyi. Iyo MLX90640 inoshandisa a microbolometer infrared detector array izvo zvinotora izvi zvinobuda uye zvinozvishandura kuita masaini emagetsi, ayo anogadziriswa mudhijitari data kumiririra tembiricha kukosha.
Imwe neimwe pixel muhurongwa inoyera radiation yenzvimbo diki yendima yekuona kwayo. Iyo sensor inoshandura zviyero izvi kuita pamusoro pekushisa kukosha uchishandisa algorithms yemukati. Saka, mhedzisiro ndeye data matrix iyo inogona kududzirwa nemaziso semufananidzo wemavara-coded wekupisa.
Uku kugona kugadzira mifananidzo inopisa kunofambisa zvakanyanya mabasa akadai hot spot yekuona (hotspots), iyo kuronda mafambiro evanhu kana mhukala kuongororwa kwemaitiro emaindasitiri kana kunyange kutariswa kwenzvimbo dzakaoma.
Mashandisirwo makuru eMLX90640
El MLX90640 IR thermal sensor Yakawana nzvimbo yayo muhuwandu hwezvikamu nekuda kwekusiyana kwayo uye kureruka kwekubatanidzwa.Pazasi pane mamwe anonyanya kuzivikanwa maapplication:
- Isiri-yekubata tembiricha kuyerwa uye maitiro ekutarisa: Yakanakira masisitimu pazvisingagoneke kana zviri nyore kuisa masensor emuviri pazvinhu, senge pamabhandi ekutakurisa, oveni, kana muchina wemaindasitiri.
- Thermography uye thermal imaging kamera: Matrix ayo anobvumira kuvaka inotakurika michina iyo inogadzira chaiyo-nguva yekupisa mifananidzo, inobatsira zvose muchikamu chemagetsi uye pakuvaka nekugadzirisa, kushanda kwesimba, uye kuongorora.
- Chengetedzo uye kuwana kudzora zvishandiso: Iyo MLX90640 inowanzowanikwa mune smart kuchengetedza makamera, masimba ekudzora masisitimu, kana perimeter surveillance, sezvo inogona kuona kuvepo uye kufamba kunyangwe murima rakazara.
- Kumba otomatiki uye smart otomatiki: Dzimba dzakawanda dzakangwara uye zvivakwa zviri kutendeukira kutarisisa kwezvakatipoteredza masisitimu anobva pane thermography kukwidziridza mashandisirwo esimba, kuona kubuda kwekupisa kana kugadzirisa otomatiki mamiriro emhepo.
- Kudzora kwemhando uye kufungidzira kuchengetedza: Mumafekitori uye zvivakwa zvakakura, kugona kuona kupisa kana kupisa anomalies kunogona kudzivirira kuparara uye kukwidziridza maitiro ekugadzira.
- Mushonga uye hutano: Kune mamodheru anotakurika eMLX90640 sensor inoshanda seye infrared thermometers kana semakamera ekuongorora kuona fivha kana kuzvimba, kunyanya inobatsira mukuteya uye nekukurumidza-kutarisira marongero.
- Robotics uye mapurojekiti ekudzidzisa: Nekuda kwekuenderana kwayo nemapuratifomu akadai Arduino, Raspberry Pi, ESP32 kana STM32, isarudzo yakakurumbira yevagadziri, vadzidzisi, uye vadzidzi vari kutsvaga kuyedza kuona zvinopisa.
Sezvauri kuona, kuchinjika kweiyi sensor kunoita kuti ibatsire kune ese ari maviri ehunyanzvi mabasa uye yekuzorora uye yekudzidza mapurojekiti.
Shanduro dzekutengesa, ma module uye kits dziripo
Kuzivikanwa kweMLX90640 kwakonzera kubuda kweakasiyana ekutengesa plug-and-play modules. Nekudaro, iwe unogona kuwana iyi sensor yakabatanidzwa mumakamera anotakurika anopisa, nyanzvi infrared thermometers, kana kunyange mabhodhi ekuwedzera masisitimu akaita seGrove, Pimoroni kana Adafruit.
Iwo makiti anowanzo sanganisira iyo sensor yakatoiswa pane diki yemagetsi bhodhi, ine zvinobuda mufomati mupfuri kana zvakafanana. Izvi zvinobvumira a kukurumidza uye kusingatengesi kubatana neyako yaunofarira mamaboard, zvichiita kuti kusimudzira uye kuyedza kuve nyore.
Pakati peakanyanya mukurumbira mamodheru aripo muzvitoro zvine hunyanzvi unogona kuwana ma module ane akasiyana lenzi (55° kana 110° FOV) uye shanduro dzakagadziridzwa kuti dzifambise kubatanidzwa kwavo muzvirongwa zvedzidzo kana zvekutsvagisa.
Pavazhinji vatengesi vepamhepo, vakadai seAmazon, Electronilab, Funduino Shop, nevamwe, iyo MLX90640 inopihwa zvese zviri payo uye sechikamu chemhinduro dzakakwana, semakamera anopfekeka ane LCD kuratidza, USB module, uye yakabatana michina yeIoT kana yekumba automation.
Platform uye microcontroller kuenderana
Imwe yemapoinzi akasimba eiyi sensor ndeye yayo kuenderana kwakafara nemapuratifomu ebudiriro. ari MLX90640 inoshanda zvakakwana neArduino, Raspberry Pi, ESP32, STM32 nemamwe mabhodhi akafanana.Izvi zvinogoneka nekushandiswa kweiyo yakajairwa I2C interface uye kuwanikwa kweakavhurika sosi software maraibhurari.
Somuenzaniso, kana uchizoshandisa nayo Raspberry Pi, kune maraibhurari muPython anokubvumira kuverenga tembiricha matrix uye kuishandura kuita mifananidzo nyore. Saizvozvowo, ne Arduino o ESP32 Iwe unogona kuendesa kodhi muC / C ++ kutora, kugadzirisa uye kuratidza iyo data pachiratidziro kana kuitumira kune gore.
Icho chokwadi chekuti sensor inogamuchira ese ari maviri 3.3V se5V inobvisa nyaya zhinji dzemagetsi, zvichiita kuti zvive nyore kushandisa kunyangwe kune vanotanga zvemagetsi.
Zvakanakira pane mamwe thermal imaging solutions
Pane dzimwe nzira dzinoverengeka pamusika dzekuona tembiricha uye kuwana mifananidzo inopisa, asi iyo MLX90640 Inomira pachena kune zvimwe zvikonzero zvakanyanya:
- Low mutengo: Iko hakuna akawanda anopisa ekufungidzira makamera mune ino mutengo renji inopa dense dot matrix uye yakafanana kuita.
- Kureruka kwekubatanidza: Zvinyorwa zvaro uye hardware / software inoenderana inoita kuti ishandise-inoshamwaridzika kunyange kune vanotanga.
- Low latency uye mhinduro inokurumidza: Iko kugona kugadzirisa iyo refresh rate (kusvika ku64 Hz) inoita kuti ishande kune chaiyo-nguva application.
- Zvakawanda: Kune zvese zvakagadziriswa uye nharembozha, kutarisa, hutano, kutsvagisa, nezvimwe.
Uyezve, chokwadi chekuti inogona kuwanikwa muzvitoro zvakawanda uye universal modules ibhenefiti huru kana ichienzaniswa neyevaridzi kana yakaoma-ku-kuwana mhinduro.
Zvakavanzika kufunga uye kushandiswa kwemakuki muzvitoro zvepamhepo
Kuda kuziva kwakaonekwa pakuongorora akasiyana ma portal ndiyo kuvapo kwezviziviso nezve makuki uye zvakavanzika sarudzo pamisika mikuru mikuru seAmazon. Paunotenga MLX90640 modules kana zvimwe zvinhu zvemagetsi pamhepo, makuki anowanzo kushandiswa kunatsiridza ruzivo rwevashandisi sekuita kushambadza kana kuunganidza ruzivo nezve kuvandudzwa kwesevhisi.
Semuenzaniso, paAmazon, nekugamuchira makuki uye sarudzo dzekushambadzira, unopa mvumo kune Yemunhu uye yekubhurawuza data inoshandiswa kwete chete kukuratidza ads akakodzera, asiwo kugadzirisa ramangwana zvigadzirwa uye zviitiko. Izvo zvakakosha kuti uzive kwaunotenga ma sensors ako uye kuongorora iyo zvakavanzika marongero kuti vanzwisise kuti ndeapi data ravangave vachiunganidza pamusoro pako.
