fbpx

Chii chinonzi LED?

Uyezve ona laser diode.

Chiedza chinoburitsa mwenje (LED) chishandiso chemagetsi chinoburitsa mwenje unooneka kana magetsi achipfuura napo. Iyo mwenje haina kunyanya kupenya, asi mune akawanda maODs ari monochromatic, inoitika pane imwechete wavelength. Kuburitswa kubva ku LED kunogona kubva pakatsvuka (pakureba kweanosvika mazana manomwe nanometer) kuenda kubhuruu-violet (angangoita mazana mana nanometer). Mamwe maLED anoburitsa infrared (IR) simba (700 nanometer kana kureba); mudziyo wakadai unozivikanwa se infrared-inoburitsa diode (IRED).

Iyo LED kana IRED ine zvinhu zviviri zvezvinhu zvakagadziriswa zvinodaidzwa P-mhando semiconductors and N-Type semiconductors. Izvi zviviri zvinhu zvakaiswa zvakananga kusangana, vachigadzira dunhu anonzi PN jambwa. Panyaya iyi, iyo LED kana IRED yakafanana nemamwe akawanda diode mhando, asi pane akakosha misiyano. Iyo LED kana IRED ine yakajeka pasuru, ichibvumira inooneka kana IR simba kupfuura. Zvakare, iyo LED kana IRED ine hombe PN-junction nzvimbo ine chimiro chakaenderana kune iko kunyorera.

Zvakanakira maLEMA uye IREDs, zvichienzaniswa neye incandescent uye fluorescent kuvhenekesa michina, zvinosanganisira:

  • Yakaderera simba chinodiwa: Mazhinji mhando dzinogona kuvhiyiwa nemagetsi ebhatiri.

  • Kubudirira kukuru: Mazhinji emagetsi anopiwa kune iyo LED kana IRED inoshandurwa kuita radiation mune fomu yaunoda, ine mashoma kupisa kugadzirwa.

  • Hupenyu hurefu: Kana ikaiswa mushe, iyo LED kana IRED inogona kushanda kwemakumi emakore.

Chaizvoizvo mashandisirwo anosanganisira:

  • Indicator mwenje: Aya anogona kuve maviri-mamiriro (kureva, on / off), bar-graph, kana alfabhethi-kuverenga kuverenga.

  • LCD panokwana backlighting: Yakasarudzika chena LEDs dzinoshandiswa mune flat-panhare makomputa kuratidza.

  • Fibhi Optic dhata yekuparadzira: Kurerukirwa kwekuenzanisira kunotendera yakakura yekutaurirana bandwidth nerushoma ruzha, zvichikonzera kumhanya kwakanyanya uye kurongeka.

  • Remote control: Mazhinji epamba-varaidzo "remotes" anoshandisa IREDs kuendesa data kune chikuru unit.

  • Optoisolator: Matanho mumagetsi anokwanisa kubatana pamwe pasina kusangana pasingadiwe.

Leave a Reply

Your kero e haangazozikamwi ichibudiswa. Raida minda anozivikanwa *

Cps: fvrvupp7 | Minimum Spend 200USD, Wana 5% Discount |||| Cps: UNF83KR3 | Minimum Pepa 800USD, Tora 10% Discount [Isingasanganisirwe 'Track uye Zvishandiso']