Isimiso nokukhethwa kwesithwebuli sebhakhodi engenantambo

Isimiso nokukhethwa kwesithwebuli sebhakhodi engenantambo

Isimiso seskena sebhakhodi engenantambo

I isithwebuli sebhakhodi engenantambo iqukethe amamojula ambalwa,Imojula yokuskena ibhakhodi,Kukhona izindlela zokuskena ezimbalwa kubhakhodi imojuli yokuskena

1. Imojuli yokuskena yebhakhodi ye-laser one-dimensional

Umgomo oyisisekelo wobuchwepheshe bokuskena ibhakhodi ye-laser enohlangothi olulodwa uthi: okokuqala, i-laser beam ikhiqizwa umshini, bese kwakhiwa ulayini wokuskena nge-laser ngesibuko esizungezayo. Ulayini wokuskena nge-laser uskenwa kubhakhodi, bese udluliselwa emuva emshinini, bese uguqulwa ube isignali kagesi idivayisi ezwelayo engaphakathi emshinini. Izici eziyinhloko zemojuli yokuskena yebhakhodi ye-laser ibanga elide lokufunda, ikhono lokungena efilimini evikelayo, nokunemba okuphakeme kokufunda kanye nesivinini.

2. CCD one dimensional barcode scanning module

Umgomo oyisisekelo wobuchwepheshe bokuskena ibhakhodi ye-CCD enohlangothi olulodwa ukuthi into ye-CCD eshaja idivayisi ehlanganisiwe ingangena esikhundleni sendlela yokuskena yomugqa onyakazayo, futhi uphawu lwebhakhodi lungaskenwa ngokuzenzakalelayo ngaphandle kokwengeza noma yisiphi isakhiwo esinyakazayo. . Uphawu lwebhakhodi luzofanekisa indlela yokukhanya kuhlelo lwedivayisi yenzwa yokukhanya ye-CCD (uhlelo lwe-photodiode), Ukuqina kwesiginali kagesi kuhlukile uma kuboniswa kudivayisi ezwelayo. Ngomjikelezo wokuskena, isignali kagesi ehambisanayo iyakhuliswa, ibunjwe futhi ikhishwe, futhi ekugcineni isignali kagesi ehambisana nolwazi lophawu lwebhakhodi iyakhiwa. Ukuze kuqinisekiswe ukulungiswa okuthile, ukuminyana kokuhlelwa kwezinto ezisebenza ngogesi kufanele kuqinisekise ukuthi into encane kakhulu kuphawu lwebhakhodi kufanele imbozwe okungenani izakhi zikagesi ezingu-2-3, futhi ubude belungiselelo kufanele bukwazi ukumboza isithombe salo lonke. uphawu lwebhakhodi. Izinombolo zamalungu afanayo ezivamile zingu-1024, 2048, 4096, njll. Imojula yokuskena yebhakhodi ye-CCD enohlangothi olulodwa ibonakala ngokungabi bikho kwezingxenye ezihambayo, ukusebenza okuthembekile nempilo ende yesevisi.

3. Isithombe semojuli yokuskena yebhakhodi enohlangothi olulodwa

Okwamanje, ubuchwepheshe bokuskena bebhakhodi enohlangothi olulodwa oluhle kakhulu yindlela yokuthwebula ye-optical yamadivayisi e-CMOS.

4. Isithombe esiqondisiwe nge-laser imojuli yokuskena yebhakhodi enezinhlangothi ezimbili

Imojuli yokuskena ibhakhodi enezinhlangothi ezimbili yesithombe esiqondiswa nge-laser isebenzisa ubuchwepheshe bokuthwebula uhlobo lwesithombe, ukuthwebula ngenzwa yesemiconductor kusetshenziswa ilensi yokubona, kanye nokukhipha idatha yesithombe ngokuguqulwa kwe-analog/digital (CCD Technology) noma ukufakwa kwedijithali okuqondile (CMOS Technology). I-CMOS ithumela idatha yesithombe eqoqiwe kusistimu yekhompyutha eshumekiwe ukuze icutshungulwe. Okuqukethwe okucutshungulwayo kufaka phakathi ukucutshungulwa kwesithombe, ukuqoshwa kwamakhodi, ukulungisa amaphutha kanye nokuqopha. Okokugcina, imiphumela yokucubungula idluliselwa ngohlelo lokuxhumana.