Mba. | Ihe | Nkeji |
|
1 | Ihe owuwu |
| Mepee |
2 | Iji usoro |
| Nnyefe/nnata |
3 | Ugboro ugboro | Hz | 40± 1.5K |
4 | Mmetụta |
| ≥-62V/u Mba |
5 | SPL | dB | ≥102 (10V / 30cm / sine ife) |
6 | Ntuziaka |
| 100±5deg |
7 | Ike | pF | 2000± 20% @ 1KHz |
8 | voltaji ntinye anabatara | Vp-p | 120 (40KHz) |
9 | Oke enwere ike ịchọpụta | m | 10 |
10 | Okpomọkụ na-arụ ọrụ | ℃ | -40….+85 |
Ihe mmetụta ultrasonic bụ ihe mmetụta emepụtara site na iji njirimara nke ultrasound.Ihe mmetụta ultrasonic na-eji mmetụta piezoelectric nke seramiki piezoelectric.Mgbe a na-etinye akara ọkụ eletrik na efere seramiiki piezoelectric, ọ ga-eme ka ọ gbanwee, na-eme ka ihe mmetụta na-ama jijiji na ebili mmiri ultrasonic.Mgbe ultrasound kụrụ ihe mgbochi, ọ na-atụgharị azụ ma na-eme ihe na piezoelectric seramiiki efere site na ihe mmetụta.Dabere na mmetụta piezoelectric na-agbanwe agbanwe, ihe mmetụta ultrasound na-emepụta mmepụta mgbama eletrik.Site n'iji ụkpụrụ nke ịgbasa ọsọ ọsọ nke ebili mmiri ultrasonic n'otu ụzọ ahụ, enwere ike ikpebi ebe dị anya n'etiti ihe mgbochi dabere na oge dị iche n'etiti ịnyefe na ịnweta akara.Ebili mmiri nke Ultrasonic ga-emepụta ntụgharị ntụgharị dị ịrịba ama mgbe ha batara na kọntaktị adịghị ọcha ma ọ bụ ihu, yana mmetụta Doppler mgbe ha batara na kọntaktị na ihe na-akpụ akpụ.Ya mere, a na-eji ihe mmetụta ultrasonic eme ihe na ụlọ ọrụ, iji ndị nkịtị, nchebe mba, biomedicine, na ubi ndị ọzọ.
1. Automotive mgbochi nkukota radar, ultrasonic ranging system, ultrasonic proximity switch;
2. Ngwa njikwa anya maka ngwa ụlọ, ihe egwuregwu ụmụaka, na ngwaọrụ eletrọnịkị ndị ọzọ;
3. ltrasonic emission na nnabata ngwaọrụ maka mgbochi izu ohi na ihe mgbochi ọdachi.
4.Eji chụpụ anwụnta, ụmụ ahụhụ, anụmanụ, wdg.