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Piezoelecric mmetụta

Mgbe ụfọdụ dielecrics na-arịa ọrịa site na itinye ike n'otu ụzọ, ebubo ahụ na-emepụta n'otu n'otu, na mgbe ewepụrụ ike mpụga, ha na-alaghachi na steeti na-enweghị mgbochi. A na-akpọ ihe a dị egwu dị mma. Mgbe etinyere ala eletriki na polatization nduzi nke dielectcric, divactric ga-arụpụta mmezi ma ọ bụ nrụgide ọrụ n'otu ụzọ. Mgbe ewepu ala eletrik mpụga, nrụrụ ahụ ma ọ bụ nrụgide ga-apụ n'anya, nke a na-akpọ paizolecric mmetụta.

Ihe eji emechi emechi

Piezoelectic Sensoc bụ ihe mmetụta anụ ahụ na ọgbọ ike nwere ike. Ihe eji eme ihe eji eme ihe eji eme ihe bu shing kristal (Sio2 _ 2) na contik pamicricricricric.

Ọchịchọ ahụ na-aga n'ihu na ceizoecrics na-agagharị bụ ọtụtụ oge nke Shi Ying Crystal, na uche ya dị elu.

4) Predelectic transducer

1. Mmetụta Foto

Mgbe ọkụ na-arara ihe, enwere ike ilele ya dịka eriri nke ike na-agba mbọ m. Ọ bụrụ na ike nke photos buru oke ibu, elektrọn dị n'ime ihe ahụ ga-ekpochapụ ihe mgbochi nke ike ime ma nwee mmetụta eletriki, nke a na-akpọ mmetụta ibeoclectic.

1) N'okpuru ime ihe ọkụ, ihe atụ nke electrons site na elu nke ihe a na-akpọ ndị na-ahụ maka ihe osise, dị ka tubelectic tuyere na photomulticles tube.

2) N'okpuru ime ihe ọkụ, ihe na-eguzosi ike nke ihe ndị dị na fotorectic mmetụta, dị ka photoresistor, photodiode, phototronse, phototronse, phototragide, phototronser na phototror.

3) N'okpuru ime ihe ọkụ, ihe na-arụpụta ike electromotive n'otu ụzọ, nke a na-akpọ PtovOvoltaic Plenomenon, dịka sel na-ahụ maka ọnọdụ ọkụ na-eme na elu elu).

2 ndị na-emegide ya

Mgbe a na-ehichapụ foto ndị ahụ, electrons jigọrọ iji mepụta ụzọ elettrọn, nke na-eme ka obere ihe dị mfe. Ìhè ahụ siri ike, belata nguzo. Ìhè ahụ na-apụ n'anya, ndị na-agbake elektrọn na-agbakọ, uru na nguzogide na-eji nwayọọ nwayọọ na-eji nwayọọ nwayọọ na-alaghachi n'ọhịa ya.

3. Photonsitive buwe

A na-ese onyinyo (phododiode, phototron), phototronsistor, phototronstor, wdg) so na ngwaọrụ semiconductor.

4. Electrolimescence

A na-emepụta ihe ndị na-egbu egbu na-emepụta site na ihe na-egbu egbu n'okpuru ihe ịtụnanya nke ala eletriki na-akpọ Electrolimescence. ElectrolimesCounce bụ usoro nke ịtụgharị ike eletrik n'ime ike ọkụ. Light-na-eme ihe diode (duru) bụ semiconductor ngwaọrụ na ngwaọrụ pụrụ iche. Mgbe pn Junction na-aga n'ihu, oke ike na-emepụta n'ihi nkwụghachi nke elektrọn, nke ewepụtara n'ụdị phons na-apụta ìhè.