Ụgbọ ala engine mmanụ ụgbọ okporo ígwè nkịtị mgba ọkụ ihe mmetụta 1875784C92

1.ụkpụrụ ọrụ

Ụkpụrụ na-arụ ọrụ nke nguzogide nguzogide ígwè bụ ihe na-eme na nguzogide nguzogide na-agbanwe na ihe ndabere na-agbanwe site na nrụrụ igwe, nke a na-akpọkarị mmetụta mgbochi mgbochi. Enwere ike igosipụta uru nguzogide nke onye nduzi igwe site na usoro a:

R=ρ

Ebe: ρ-resistivity nke metal conductor (ω/m)

S—— Ofe akụkụ nke onye nduzi ()

L-ogologo onye nduzi (m)

Ka anyị were nkwụsi ike nke waya igwe dịka ọmụmaatụ. Mgbe a na-edobe waya igwe n'okpuru ike mpụga, ogologo ya na mpaghara mpaghara ga-agbanwe. Site na usoro a dị n'elu, enwere ike ịhụ ya ngwa ngwa na uru nkwụsị ya ga-agbanwe. Ọ bụrụ na a na-agbatị waya ígwè ahụ site na ike mpụga, ogologo ya ga-abawanye na mpaghara akụkụ ya ga-ebelata, uru nkwụsị ya ga-abawanye. Mgbe a na-ejikọta waya site na ike mpụga, ogologo oge na-ebelata na akụkụ obe na-abawanye, na uru nkwụsị na-ebelata. Ọ bụrụhaala na a na-atụle mgbanwe nke nguzogide (na-emekarị voltaji gafee nguzogide), enwere ike nweta ọnọdụ nsogbu nke eriri eriri.

2.Principle ngwa

Ihe mmetụta nrụgide seramiiki na-eguzogide corrosion enweghị nnyefe mmiri, na nrụgide na-arụ ọrụ ozugbo n'ihu ihu nke seramiiki diaphragm, na-eme ka diaphragm ahụ gbanwee ntakịrị. A na-ebipụta ndị na-emegide ihe nkiri siri ike na azụ azụ nke seramiiki diaphragm ma jikọọ ya iji mepụta akwa Wheatstone (akwa mechiri emechi). N'ihi mmetụta piezoresistive nke piezoresistor, àkwà mmiri ahụ na-emepụta mgbama voltaji dị elu nke kwekọrọ na nrụgide yana kwa nhata na voltaji mkpali. A na-ahazi akara ngosi ọkọlọtọ ka 2.0/3.0/3.3 mV/V dabere na oke nrụgide dị iche iche. Site na nhazi nke laser, ihe mmetụta ahụ nwere nkwụsi ike dị elu na nkwụsi ike oge. Ihe mmetụta nwere ụgwọ okpomọkụ nke ya nke 0 ~ 70 ℃ ma nwee ike ịnọ na kọntaktị na ọtụtụ mgbasa ozi.

Seramiiki bụ ihe a ma ama nke nwere nnukwu ngbanwe, nguzogide corrosion, nguzogide iyi, nguzogide mmetụta na nguzogide vibration. The thermal kwụsie ike nke ceramik na oké film eguzogide nwere ike ime ka ya na-arụ ọrụ okpomọkụ nso dị elu dị ka-40 ~ 135 ℃, na o nwere elu ziri ezi na kwụsie ike na nha. Ogo mkpuchi ọkụ eletrik> 2kV, mgbama mmepụta siri ike yana nkwụsi ike ogologo oge. Ihe mmetụta seramiiki nwere njirimara dị elu na ọnụ ala dị ala ga-abụ ntụziaka mmepe nke mmetụta nrụgide. Na Europe na America, enwere usoro iji dochie ụdị sensọ ndị ọzọ kpamkpam. Na China, ọtụtụ ndị ọrụ na-eji ihe mmetụta seramiiki dochie ihe mmetụta nrụgide silicon gbasasịrị.