PIR firikwensin: duk abin da kuke buƙatar sani

PIR firikwensin

Ofaya daga cikin na'urori masu auna firikwensin da ke da mafi yawan aikace-aikace, musamman a fannin tsaro, shine firikwensin PIR. Wani sabon firikwensin shiga jerin abubuwan da aka gyara, kuma wanda muke magana akai lokacin da muke ma'amala da samfurin Saukewa: HC-SR501, ɗayan na'urori masu auna sigina waɗanda zaku iya amfani dasu hukumar ku ta arduino saboda tarin ayyuka, kamar ƙirƙirar ƙararrawa ta gida don gida ko kasuwancin ku.

Sensin PIR yana da sauƙin sauƙi dangane da haɗi da shirye-shirye, amma zaka iya tabbatar da cewa akwai shi taron na aikace-aikace wanda za'a iya amfani dashi don ayyukanku na DIY. Kuma a cikin wannan jagorar gabatarwa zaku fahimci komai mai mahimmanci game da wannan nau'in firikwensin ...

Menene firikwensin PIR da ka'idar aiki

ruwan tabarau na fresnel

Un PIR firikwensin Yana da nau'in firikwensin da ke amfani da IR, watau, infrared. Bisa ga wannan hasken, zai yi aiki ta hanyar gano motsi ko kusanci. Dukkan godiya ga abubuwanda aka haɗa su don kama kasancewar mutane ko motsi, da na dabbobi da sauran abubuwa.

Duk bisa ga ƙananan IR radiation fitar da jikin abubuwa, mutane ko dabbobin gida. Kuma wannan nau'in na'urori masu auna firikwensin za su kama su tare da madaidaicin daidaito. Principlea'idar guda ɗaya da wasu na'urori ke amfani da ita, kamar na'urorin thermography, kyamarorin gani dare, da dai sauransu.

Bugu da kari, wannan nau'in firikwensin za a iya saita shi zuwa daidaita hankalinta, ta yadda zai iya samun yawa ko peasa. Misali, wasu na'urori masu auna sigina na iya samun motsi ko zangon ganowa daga mita 3 zuwa mita 7 ko fiye, kuma tare da jeri na 90-110º. Wannan yana ba da damar gano motsi a cikin kewayon mai kyau, yana ba da izinin girka shi a kan kowane bango, misali.

A gefe guda kuma, za a rufe firikwensin PIR ta hanyar garkuwar kama -ɗe. Wannan ba komai bane face kira Gilashin fresnel. Wato, wani tabarau mai suna bayan sunan masanin ilmin lissafin Faransa wanda ya kirkira shi, Augustin-Jean Fresnel, kuma godiya ga abin da zaku iya cimma wannan babbar hanyar buɗewa ba tare da buƙatar wasu ruwan tabarau masu nauyin nauyi da ƙarar da za a buƙaci ta amfani da ruwan tabarau na al'ada.

Aplicaciones

firikwensin motsi, firikwensin PIR

Idan ka yi mamakin abin da za a iya amfani da firikwensin PIR don, gaskiyar ita ce tana da ɗimbin aikace-aikace inda yana iya zama dole don amfani da wannan nau'in na'urar. Misali:

  • Mutum-mutumi mai zaman kansa wanda ke buƙatar gano abubuwa ko mutane don kauce wa matsaloli.
  • Motoci masu zaman kansu waɗanda suke buƙatar gano motsi ko kasancewar wani abu.
  • Tsarin ƙararrawa wanda yake aiki lokacin da ya gano kasancewar wani abu. Hakanan za a iya kunna tsarin sa ido ta bidiyo don yin rikodin abin da ke faruwa yayin da suka gano motsi, masu buɗe ƙofofi, ƙararrakin ƙofar masu wayo, da sauransu
  • Tsarin atomatik masu kunna wuta lokacin da aka gano wani, ko buɗe ƙofofin ta atomatik.
  • Na'urorin da ke faɗakarwa ko samar da wasu nau'ikan ayyuka lokacin da abin ya faru, kamar su dabbobin gidanka suna kusa, ko wani na kusa da firikwensin PIR.
  • Sauran.

Sayi firikwensin PIR

PIR firikwensin

Dogaro da abin da kuke nema za ku samu dama zabi a kasuwa. Misali, idan kai mai kirkira ne kuma kana neman kayan lantarki don daidaita shi da aikin lantarki, to kana da samfuran da yawa, kamar:

A gefe guda, da alama abin da kake sha'awa yana aiki tare da firikwensin PIR shirye don amfani a cikin tsarin ƙararrawa ko don kunna fitilu ta atomatik, da dai sauransu. A wannan yanayin, abin da ya dace shine kayi amfani da firikwensin PIR na kasuwanci kamar waɗannan:

  • SEBSON, Firikwensin motsi na tushen PIR don shigarwar waje. Tare da kewayon har zuwa mita 12 nesa, tare da kusurwa 180º, daidaitacce a fuskantarwa, kuma angareshi ga bango.
  • Farashin LKM, Aikin firikwensin mai amfani da batir mai amfani don girka duk inda kake buƙata, tare da kewayon mita 11, kusurwa 110º kwance da 60º a tsaye.
  • Babu kayayyakin samu., ɗayan sanannun samfuran cikin tsaro mai kaifin baki da gabatar da wannan firikwensin motsi PIR mara waya da manufa don ƙararrawa. Tare da har zuwa mita 100 na kewayon kuma don amfanin cikin gida.
  • Dioche, firikwensin kariya daga abubuwan don amfani ciki da waje gida. Tare da fadi da dama don kauce wa wuraren makanta kuma tare da faɗakarwa ta hanyar wayar hannu.
  • Zuriya. Bugu da kari, da alama babban kwan fitila zai zama ba a lura da shi.
  • Tellur mai wayo, wani wanda zaka iya haɗa shi da WiFi, kamar kowane naúrar IoT don jan hankali daga wayarka ta hannu ko don samar da ayyuka a cikin wasu na'urori da aka haɗa lokacin da ta gano motsi, kamar kunna makunnin haske, da sauransu.

Kamar yadda kake gani, waɗannan tsarin suna da araha, don haka don 'yan kuɗi Euro za ku iya samun ɗaya ko fiye a gida don ƙirƙirar tsarin da kuke buƙata.

Amfani da firikwensin PIR tare da Arduino

Screenshot na Arduino IDE

Idan kanaso kayi amfani da PIR firikwensin tare da Arduino, Ina ba ku shawara ku karanta labarin game da Saukewa: HC-SR501. A can na bayyana yadda za a iya amfani da shi kuma a haɗa shi tare da aikin tare da Arduino. Idan kun sayi wani samfurin PIR na firikwensin, Ina ba ku shawarar ku karanta takaddun bayanai da pinout a kan takamaiman samfurin, amma bai kamata ya wakilci matsala mai dacewa ba, kuma abin da aka faɗa a cikin labarin zai iya zama tushen don daidaita shi zuwa sabon firikwensin ...


Abubuwan da ke cikin labarin suna bin ka'idodinmu na ka'idojin edita. Don yin rahoton kuskure danna a nan.

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