Izinzwa ultrasonic

Izinzwa Ultrasonic kukhona izinzwa ukuguqula energy kagesi ku amaza e-ultrasound. Umgomo we operation kuyafana radar, ngoba ukuthola umgomo ngesisekelo incazelo yaleli isignali elisobala kuzo. I velocity umsindo Nokho kuyinto njalo, ngumuntu inzwa ezinjalo zingaphenduka kalula nje ukusetha ibanga ukuba into elihambisana isikhathi phakathi ukuthumela isignali kanye echo ngenzuzo yayo.

Izinzwa Ultrasonic benezingane eziningi izici ezikuvumela ukuchaza ububanzi bokusebenzisa yabo. Kungenzeka ukwaba ibanga elincane, i-signal lenkhombandlela, ephansi wave isivinini esiphelweni. Inzuzo enkulu izinzwa ultrasonic kuyinto izindleko zabo kakhulu. Ngo izimoto, angasetshenziswa ukuze inhlangano yokupaka izinhlelo. Ultrasonic ezingeni izinzwa ebangeni okhushuliwe kabanzi eziningi izakhiwo usizo ukuqapha izingxenye abayizimpumputhe. Bathola isicelo ezihlukahlukene ukushayela izinhlelo ikumodi othomathikhi.

Ukuphathwa kungaba transducer ehlanganisa element asebenzayo futhi diaphragm njengoba substrate inzwa. Kulokhu imisebenzi transducer njengendlela Lidlulisela kanye umamukeli. elementi Active yakha ishayela esifushane, okuyinto ke kuthathwe njengokubonisa echo kusuka isithiyo. It ikhiqizwa material ekhethekile piezoelectric. Kulokhu, i diaphragm aluminium uba inzwa contact ebusweni, okuvumela ukucacisa izici acoustic. isizinda Converter ngokwanele nokunwebeka ukuncela vibration. Zonke izici basesimweni izindlu plastic, ifakwe nezixhumi uxhumano.

Izinzwa Ultrasonic ukusebenza ngendlela elandelayo: lapho ithola isiginali kusuka ngaphandle isici asebenzayo kubangela vibration diaphragm, ukuthumela pulses ultrasonic esikhaleni. Lapho la magagasi uhlangabezana isithiyo, basuke kubonakala emuva transducer, bese udala vibration timphawu esebenzayo, okuyinto ke isuswe futhi uphawu lukagesi.

Izinzwa Ultrasonic kangaka izici eziyisisekelo njengoba imvamisa ishayela, uhla ukuthola izithiyo, isivinini. amadivaysi Modern yokupaka imvamisa kuba 40 kHz, futhi uhla ukuthola - kuze kufinyelele 2.5 amamitha.

Abakhiqizi ngokuvamile musa ucacise ukubaluleka ezifana uhlala ezibalulekile njengoba engela wokubuka. I izinzwa engela ngokuvamile kunqunywa imvamisa isignali, futhi ukuma kanye nosayizi Converter. Ayanda imvamisa ishayela, ezincane kuyoba engela yokubuka.

Ultrasonic ibanga inzwa abe izinzuzo mass obungenakuphikwa, kodwa bona imincele abalulekile kakhulu sokusebenza. Ukuphumelela and ukunemba kwaleli washi kuyehla ezimweni sezulu esibi, kanye Waze wangcola bo. Inzwa uyakwazi kudlule izinto ezincane, kanye evele kokuba reflectivity ongaphakeme.