Kodi mfundo ya magetsi oyendetsera magetsi oyendetsera magetsi ndi yotani?

1, infrarednyali yakutsogolo ya sensamfundo yogwirira ntchito

Chipangizo chachikulu cha infrared induction ndi pyroelectric infrared sensor ya thupi la munthu. Pyoelectric infrared sensor ya munthu: thupi la munthu limakhala ndi kutentha kosasintha, nthawi zambiri pafupifupi madigiri 37, kotero limatulutsa kutalika kwa mafunde kwa pafupifupi 10UM infrared, chofufuzira cha infrared chosagwira ntchito ndi kuzindikira infrared yomwe imatulutsa thupi la munthu pafupifupi 10UM ndikugwira ntchito. Ma radiation a infrared omwe amatulutsa thupi la munthu pafupifupi 10UM amakulitsidwa ndi fyuluta ya lens ya Fresnel ndipo amakhazikika pa sensor ya infrared.

Sensa ya infrared nthawi zambiri imagwiritsa ntchito chinthu chotchedwa pyroelectric element, chomwe chimataya mphamvu ya chaji pamene kutentha kwa infrared radiation ya thupi la munthu kwasintha, kutulutsa mphamvu ya chaji kunja, ndipo dera lotsatira lingayambitse kusintha kwa switch pambuyo pozindikira ndi kukonza. Munthu akalowa mu switch sensing range, sensor yapadera imazindikira kusintha kwa infrared spectrum ya thupi la munthu, switch imasintha yokha pa katundu, munthuyo sachoka mu sensing range, switch ipitiliza kuyatsa; Munthuyo atachoka kapena palibe chochita m'dera lozindikira, kuchedwa kwa switch (TIME ndi yosinthika: masekondi 5-120) kumatseka yokha katunduyo. Infrared induction switch induction Angle madigiri 120, mamita 7-10 kutali, nthawi yayitali ikhoza kusinthidwa.

2. Mfundo yogwirira ntchito yanyali yakutsogolo ya sensa yokhudza

Mfundo yaikulu ya nyali ya touch sensor ndi yakuti kuyika mkati mwa electronic touch ic kumapanga chizunguliro chowongolera ndi electrode pokhudza nyali.

Thupi la munthu likakhudza elekitirodi yozindikira, chizindikiro chokhudza chimatumizidwa kumapeto kwa kuzindikira kukhudza mwa kugunda mphamvu yolunjika kuti apange chizindikiro cha pulse, kenako kumapeto kwa kuzindikira kukhudza kumatumiza chizindikiro cha pulse choyambitsa kuwala; Ngati mukhudzanso, chizindikiro chokhudza chimatumizidwa kumapeto kwa kuzindikira kukhudza mwa kugunda mphamvu yolunjika kuti apange chizindikiro cha pulse, panthawiyi kumapeto kwa kuzindikira kukhudza kumasiya kutumiza chizindikiro cha pulse choyambitsa, pamene AC ili zero, kuwala kudzakhala kozimitsidwa mwachibadwa. Komabe, nthawi zina pambuyo pa kulephera kwa magetsi kapena kusakhazikika kwa magetsi kumakhalanso ndi kuwala kwawo, ngati kukhudzidwa kwa chizindikiro cholandira kukhudza kuli bwino kwambiri, pepala kapena nsalu zitha kulamulidwanso.

3, mawu olamulidwanyali yoyendetsera kutsogolomfundo yogwirira ntchito

Phokoso limapangidwa ndi kugwedezeka. Mafunde a phokoso amayenda mumlengalenga, ndipo ngati akumana ndi chinthu cholimba, amatumiza kugwedezeka kumeneku ku chinthu cholimba. Zigawo zolamulidwa ndi mawu ndi zinthu zomwe zimakhudzidwa ndi kugwedezeka zomwe zimayatsidwa pamene pali phokoso (kukana kumakhala kochepa) ndikuchotsedwa pamene palibe phokoso (kukana kumakhala kwakukulu). Kenako pochedwetsa pakati pa dera ndi chip, dera limatha kukulitsidwa kwa nthawi yomwe pali phokoso.

4, mfundo yogwirira ntchito ya nyali yowunikira kuwala

Gawo la sensa yowunikira limazindikira kaye mphamvu ya kuwalako ndipo limasankha ngati liyimirire ndikutseka gawo lililonse la nyali ya sensa ya infrared ya LED. Pali zochitika ziwiri:

Masana kapena pamene kuwala kuli kolimba, gawo la kuwala lolowetsa kuwala limatseka gawo la kuwala lolowetsa kuwala ndi gawo la kuwala kochedwa malinga ndi mtengo wa kuwala.

Usiku kapena pamene kuwala kuli mdima, gawo la sensa yowunikira lidzaika gawo la sensa ya infrared ndi gawo losinthira kuchedwa mu mkhalidwe woyimirira malinga ndi mtengo wa sensa.

Panthawiyi, ngati thupi la munthu lalowa mu induction range ya nyali, infrared induction module idzayamba ndikupeza chizindikiro, ndipo chizindikirocho chidzayambitsa delay switch module kuti itsegule infrared induction nyali ya LED. Ngati munthuyo apitiliza kuyenda mkati mwa mtunda wake, kuwala kwa sensa ya thupi la LED kudzayatsidwa, munthuyo akachoka mu mtunda wake, palibe chizindikiro cha infrared sensor, ndipo delay switch imazimitsa yokha kuwala kwa infrared sensor ya LED mkati mwa nthawi yoikika. Module iliyonse imabwerera ku standby ndikudikirira kuzungulira kwotsatira.