Chitetezo cha Laser Distance Sensor

Kukula mwachangu kwaukadaulo wa laser kwapangitsa kuti pakhale luso laukadaulo pantchito yalaser mtunda sensor.Laser kuyambira sensa imagwiritsa ntchito laser ngati chinthu chachikulu chogwirira ntchito.Pakali pano, chachikululaser muyesoZida zomwe zili pamsika ndi: kutalika kogwira ntchito kwa 905nm ndi 1540nm semiconductor laser komanso kutalika kwa 1064nm YAG laser.Kodi malamulo apadziko lonse lapansi pachitetezo cha zida za laser ndi chiyani?Food and Drug Administration (FDA) imayika zida za laser m'magulu asanu ndi limodzi kutengera kukula kwa laser yawo: ClassⅠ, Class ⅱA, ClassⅡ, ClassⅢa, ClassⅢb ndi ClassⅣ.

Kalasi I: Kutulutsa kochepa kwa laser kosaoneka (mphamvu zosakwana 0.4mW) sikudutsa mtengo wa MPE wamaso ndi khungu mumtundu uliwonse, ngakhale mutayang'ana kwambiri kudzera pamagetsi.Ikhoza kuonetsetsa chitetezo cha mapangidwe, popanda kasamalidwe kapadera.Ntchito zodziwika bwino zimaphatikizapo ma Laser Pointers, osewera ma CD, zida za CD-ROM, zida zowunikira ma geological ndi zida zowunikira ma labotale.

Kalasi II: Low linanena bungwe zithunzi laser (mphamvu 0.4mW-1mW), anachita nthawi ya kutseka kwa diso ndi masekondi 0,25, ntchito nthawi ino kuwerengera kukhudzana sangathe kupitirira mtengo MPE.Nthawi zambiri, laser yomwe ili pansi pa 1mW imayambitsa chizungulire ndipo osaganiza.Sizinganenedwe kuti ndizotetezeka kwathunthu kutseka maso kuti atetezedwe.Chifukwa chake, osayang'ana molunjika pamtengo, musagwiritse ntchito Class II laser kuwunikira maso a anthu ena mwachindunji, ndipo pewani kuyang'ana Class II laser yokhala ndi zida zowonera patali.Ntchito zodziwika bwino zimaphatikizapo ziwonetsero zamakalasi, Zolozera laser, zida zowonera ndirangefinders.

Mitundu iwiri yokha ya ma lasers yatchulidwa apa chifukwa Seakeda'skusintha kwa sensorZogulitsa zimagwiritsa ntchito laser Class I ndi Class II ngati zida zogwirira ntchito.Kutalika kwa laser ndi 620 ~ 690nm ndi mphamvu <0.4mW ndi <1mW.Chitetezo chake chachikulu, ntchito yabwino, kupulumutsa mphamvu zambiri.Chifukwa chake mutha kusankha mosamala ma sensor athu amtundu wa laser.

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