Piezoelectric sensor: piav qhia, acceleration, lub hauv paus ntsiab lus ntawm kev ua haujlwm thiab nta

2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28

Kom tau txais cov ntaub ntawv ntawm qhov kub thiab txias ntawm huab cua ib puag ncig, siv cov sensors tshwj xeeb ntawm hom piezoelectric. Lub ntsiab tsis zoo ntawm cov cuab yeej muaj xws li tsis tsuas yog kev khiav hauj lwm zaus, tab sis conductivity, thiab kuj. Cov qauv kev hloov kho muaj ib daim nyias nyias ib puag ncig los ntawm quartz daim hlau. Lub cev feem ntau yog ua los ntawm cov hlau disks. Txhawm rau txuas mus rau cov cuab yeej ntsuas, cov kev coj ua tau siv, uas txuas nrog cov kabmob thrust.

Yuav ua li cas lub ntsiab ua haujlwm

Muaj ntau yam piezoelectric sensors. Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm cov ntsiab lus yog nyob ntawm kev hloov lub peev xwm ntawm daim nyias nyias. Quartz daim hlau nyob rau hauv cov ntaub ntawv no plays lub luag hauj lwm ntawm conductors. Rau kev hloov pauv zaus, cov qauv siv lub phaj thaiv. Cov teeb liab yog kis mus rau daim nyias nyias los ntawm kev sib tsoo bearing. Qhov sib txawv ntawm qhov tso tawm yog tsau hauv cov ntsuas ntsuas. Los ntawm cov zis ntawm cov sensors, cov ntaub ntawv tuaj yeem ua tiav thiab khaws cia.

Sensor hom

Lub zog, siab, vibration thiab acceleration sensors yog qhov txawv ntawm lub hom phiaj. Kuj tseem muaj kev hloov kho rau kev ntsuas kub. Ntaukev faib cov kev hloov kho tshwm sim los ntawm zaus. Cov qauv mus txog 3 Hz yog compact loj. Kev hloov kho nrog cov conductivity siab tuaj yeem ua haujlwm nyob rau hauv cov xwm txheej ntawm cov av noo siab.

Force Sensors

Piezoelectric force sensors tsis ntev los no tau koom nrog hauv kev tshawb fawb hauv chav kuaj. Lawv yog cov yam ntxwv ntawm high precision thiab zoo conductivity. Txawm li cas los xij, nws tseem ceeb heev uas yuav tsum nco ntsoov tias qhov kev ua haujlwm zaus hauv qhov no yog ntawm 4 Hz.

Ntau qhov kev hloov kho yog ua nrog cov pa sib tiv tauj. Nws tseem tsim nyog sau cia tias cov khoom siv txuas nrog quartz daim hlau tau nthuav tawm hauv khw. Lub conductivity Performance index rau xws li sensors yog kwv yees li 5 microns. Ntau qhov kev hloov kho tau tso cai siv rau hauv cov xwm txheej ntawm cov av noo siab. Lub capacitance ntawm cov conductors nyob rau hauv cov ntaub ntawv no yog 55 pF. Tsis muaj qauv rau hom sensor no.

Pressure sensors

Piezoelectric siab transducers yog tsim nrog ntau hom diaphragms. Yog tias koj ntseeg tias cov kev tshuaj xyuas ntawm cov kws tshaj lij, tom qab ntawd cov khoom sib txuas yog suav tias yog cov khoom siv nrov tshaj plaws, lawv qhov ntsuas ntsuas yog 8 microns. Hauv qhov no, kev ua haujlwm zaus nce mus txog qhov siab tshaj plaws ntawm 5 Hz. Tiv tauj membranes hauv sensors yog tsawg heev. Quartz daim hlau yog ntsia los ntawm cov hlau lead. Lub capacitance ntawm cov conductors yog nyob rau nruab nrab 120 pF.

Kev saib xyuas tshwj xeeb rau cov kev hloov kho tsim nyog tau cog lus cog cog. Raws li txoj cai, lawv tau siv rau hauv hom shielded. Rau cov cuab yeej ntsuas, sensors ntawm hom nohaum zoo heev. Feem ntau lawv txuas nrog oscilloscopes. Lub thrust bearings ntawm kev hloov kho yog ntawm ib hom kev hloov pauv. Qee tus qauv khav theeb ntsuas qhov tseeb.

Txoj kev ntsuas kub ntsuas

Piezoelectric kub sensors ua haujlwm ntawm cov qauv ua haujlwm qis. Yog tias koj ntseeg tias cov kev tshuaj xyuas ntawm cov kws tshaj lij, ces cov membranes feem ntau yog siv los ntawm kev sib cuag, thiab cov adapters rau lawv yog siv nrog tsawg conductivity. Quartz daim hlau muaj peev xwm ua haujlwm nyob rau hauv tej yam kev mob ntawm high humidity. Yog hais tias peb tham txog qhov shortcomings, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov qauv yog tsim tsuas yog tsis muaj thrust bearings. Xwb, tshwj xeeb insulating films yog ntsia rau ntawm daim nyias nyias. Lub dielectric qhov tsis tu ncua yog nyob ib ncig ntawm 50%.

Acceleration sensors

Piezoelectric acceleration sensor feem ntau siv hauv kev lag luam. Cov zis ntawm cov qauv yog txuas nrog cov membranes. Qee cov khoom siv tau tsim tshwj xeeb rau cov tsav tsheb. Membranes nyob rau hauv cov ntaub ntawv no yog ntsia hu rau hom. Nws tseem tsim nyog sau cia tias cov khw muag khoom muaj cov ntsiab lus uas ua haujlwm ntawm cov phaj polished.

Threads feem ntau yog siv hauv qhov loj me. Kev rwb thaiv tsev ntawm cov qauv yog qhov zoo. Cov hlua hlau yog qhov tsawg heev. Nws kuj tseem yuav tsum tau muab sau tseg tias muaj cov khoom siv uas tuaj yeem ua haujlwm ntawm qhov zaus ntawm 3 Hz. Lawv conductivity Performance index, raws li txoj cai, tsis tshaj 44 microns. Lub capacitance ntawm conductors rau cov qauv ntawm hom no yog nyob ib ncig ntawm 40 pF.

Lub ntsiab lus ntawm VM-6360 series

Cov sensors ntawm cov khoom nthuav tawm tuaj yeem txiav txim siab qhov kub thiab txias sai heev. Yog tias koj ntseeg qhov kev xav ntawm cov kws tshaj lij, ces lawv cov conductivity yog siab heev. Ntawm cov shortcomings, nws yog tsim nyog sau cia hais tias cov tsis tshua muaj kuj nyob rau hauv lub xaus. Tsis tas li, cov kws tshaj lij feem ntau taw tes rau ib qho module uas ua haujlwm ntawm 3 Hz zaus. Yog li, qhov ntsuas qhov tseeb ntawm kev hloov kho tsis yog siab heev. Lub membrane hauv qhov no tsuas yog siv ib qho xwb. Cov lus xaus yog txuas nrog nws los ntawm kev sib tw thrust bearing. Yog tias koj ntseeg qhov kev xav ntawm cov kws tshaj lij, cov teeb meem nrog kev hloov pauv tsis txaus ntshai rau qhov ntsuas no. Quartz daim hlau tau ruaj khov.

Arduino Sensor Nta

Arduino yog piezoelectric vibration sensor uas tuaj yeem siv rau hauv cov huab cua sib txawv. Lub ntsiab muaj tsuas yog ib daim nyias nyias. Nyob rau hauv cov ntaub ntawv no, cov phaj yog ntsia nrog ob sab. Raws li cov kws tshaj lij, lawv cov conductivity yog siab heev. Qhov dielectric tas li ntawm daim hlau yog 55 microns.

Ntau tus kws tshaj lij hais tias lub ntsuas ntsuas muaj qhov ntsuas qhov tseeb. Yog hais tias peb tham txog cov minuses, cov kws txawj taw tes rau ib tug tsis tshua muaj kuj parameter nyob rau hauv daim nyias nyias. Vim qhov no, muaj teeb meem nrog cov teeb liab kis tau tus mob. Kev xau ntawm cov nqi rau lub sensor no tsis txaus ntshai. Kev khiav hauj lwm zaus yog tswj ntawm 5Hz.

Kev piav qhia ntawm cov ntsiab lus ntawm Master 300 CT series

Qhov ntsuas piezoelectric tau teev tseg yog xav tau rau kev nyeem ntawv kom raug. Lub module nyob rau hauv lub system yog ntawm lub yoj hom. Ntau tus kws tshaj lij hais tias tus qauv tuaj yeem siv rau hauv ib puag ncignrog av noo tsis ntau tshaj 55%. Lub disc ntawm kev hloov kho yog ib hom kheej kheej.

Nws tseem tsim nyog sau cia tias qhov ua haujlwm kub ntawm lub caij yog qhov siab tshaj plaws ntawm 45 degrees. Lub bearing yog heev conductive. Txawm li cas los xij, nws muaj qee yam teeb meem nrog permeability. Kev sib txuas rau kev ntsuas ntsuas tshwm sim los ntawm ob qhov tso zis.

Cov ntsiab lus ntawm Master 330 CT series

Cov no yog cov khoom lag luam zoo thiab siab-precision piezoelectric sensors. Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm lub caij yog nyob ntawm kev hloov qhov tob me ntsis. Cov kws tshaj lij ntseeg tias qhov kev hloov kho muaj cov khoom siv hluav taws xob zoo. Lub membrane nyob rau hauv cov ntaub ntawv no yog siv quartz daim hlau.

Qhov dielectric tas li yog ntawm 3%. Qhov tsawg kawg nkaus zaus yog khaws cia ntawm 3 Hz. Lub sensor no tsis muaj kev tiv thaiv, tab sis kev cais tawm yog muab. Nws tseem tsim nyog sau cia tias qhov kev hloov kho tsuas muaj ib txheej, uas yog ua los ntawm tooj liab.

Txheej txheem ntawm Master 350 CT sensors

Qhov ntsuas piezoelectric tau tsim los txiav txim siab qhov kub thiab txias hauv ib puag ncig hnyav. Ntau tus kws tshaj lij taw qhia rau qhov kev tso zis siab impedance parameter. Nyob rau hauv cov ntaub ntawv no, lub module yog siv ntawm ib tug tiv tauj hom, thiab nws cov rwb thaiv tsev yog ntawm peb chav kawm ntawv. Nyob rau hauv tag nrho, cov cuab yeej muaj ob daim hlau quartz. Lawv conductivity Performance index yog 4 microns. Kev khiav hauj lwm zaus yog feem ntau 3 Hz. Qhov kev hloov kho no tsis muaj lub pob taws kheej kheej. Lub capacitance ntawm semiconductors yog 40 pF.

Kev piav qhia ntawm cov ntsiab lus ntawm Master 380 CT series

Qhov no piezoelectric transducer ua tau zoo hauv kev xa tawm sai sai. Nws tseem tsim nyog sau cia tias tus qauv siv tsuas yog ib qho kev tiv tauj hom module. Ntau tus kws tshaj lij hais tias tus qauv tso cai siv rau hauv ib puag ncig ntawm cov av noo siab. Txawm li cas los xij, lub sensor kuj muaj qhov tsis zoo. Ua ntej tshaj plaws, nws tsim nyog hais txog qhov qis dielectric tas li. Teeb meem tiv thaiv tsis tshua muaj.

Lub thrust pad tsis muaj peev xwm ua haujlwm ntawm 3 Hz. Cov chaw tsim khoom tsis muab kev tiv thaiv rau kev hloov kho, thiab cov rwb thaiv tsev yog ntawm chav kawm thib ob. Kev sib txuas rau cov khoom siv ntsuas yog ua los ntawm ob qhov kev tso tawm. Lub pob taws ntawm hom kheej kheej muaj peev xwm ua haujlwm ntawm qhov zaus ntawm 5 Hz. Hloov cov peev txheej tsis zoo yuav siv sijhawm ntev.

Cov ntsiab lus ntawm MLH200 series

Qhov piezoelectric sensor tuaj yeem ntsuas qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas kub. Yog tias peb tham txog cov yam ntxwv ntawm kev hloov kho, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov qhov tsis zoo ntawm cov zis tsis kam. Lub dielectric qhov tsis tu ncua ntawm cov khoom tsuas yog 40%. Lub pob taws hom kheej kheej tau teeb tsa ua ke nrog kev sib cuag membrane.

Nws tseem tsim nyog sau cia tias tus qauv muaj peev xwm kis tau sai sai. Kev hloov kho tsis muaj kev tiv thaiv, thiab cov rwb thaiv tsev yog ntawm peb chav kawm. Kev sib txuas rau cov khoom siv ntsuas tuaj yeem ua tau los ntawm ob qhov kev tso tawm. Lub tes tsho ntawm kev hloov kho yog txuas nrog quartz daim hlau. Nws kuj tsim nyog sau ciahais tias lub capacitance ntawm semiconductors yog 30 pF.

Txheej txheem ntawm MLH220 sensors

Cov lus qhia piezoelectric vibration sensor yog tsim nrog ob lub diaphragms. Nyob rau hauv cov ntaub ntawv no, quartz phaj yog siv nrog nce permeability. Kev khiav hauj lwm zaus ntawm kev hloov kho yog nyob rau theem ntawm 4 Hz. Yog tias koj ntseeg qhov kev xav ntawm cov kws tshaj lij, ces rooj plaub muaj peev xwm tiv taus cov khoom hnyav. Nws tseem tsim nyog sau cia tias qhov kev tawm tsam ntawm cov khoom sib txuas yog kwv yees li 30 ohms. Hmoov tsis zoo, lub caij tsis muaj kev tiv thaiv.

Txawm li cas los xij, lub Hoobkas tau teeb tsa lub rwb thaiv tsev yog thawj chav kawm. Lub tes tsho shielded nyob rau hauv rooj plaub no yog tsau rau ntawm daim nyias nyias. Ntau tus kws tshaj lij hais tias tus qauv boasts kev hloov pauv sai ntawm qhov muaj peev xwm zoo. Nws tseem tsim nyog sau cia tias tus qauv muaj qhov tshwj xeeb module uas yog lub luag haujlwm rau cov teeb liab conductivity. Lub capacitance ntawm tus neeg xyuas pib yog 50 microns. Nyob rau hauv cov ntaub ntawv no, lub dielectric tas li ntawm lub caij yog tsawg kawg yog 60%. Tus nqi xau ntawm qhov nthuav tawm sensor tsis txaus ntshai.

Kev piav qhia ntawm MLH255 series khoom

Qhov no sensor (piezoelectric, intrinsically muaj kev nyab xeeb) yog tsim los nrog ib tug adapter diaphragm, uas muaj ib tug heev tsis zoo tiv thaiv parameter. Cov av noo tsis tshua muaj teeb meem, thiab chav kawm 3 rwb thaiv tsev yog siv. Nyob rau hauv tag nrho, lub sensor muaj peb quartz daim hlau.

Nws tseem tsim nyog sau cia tias tus qauv muaj kev coj zoo ntawmtawm. Cov hlua hlau hauv qab daim nyias nyias tsis yog muab los ntawm cov chaw tsim khoom. Tus neeg xyuas pib zoo tsim nyog tau txais kev saib xyuas tshwj xeeb, lub peev xwm ntawm 4 pF. Lub ntsiab tsis muaj kev tiv thaiv. Nyob rau tib lub sijhawm, tus nqi sib kis ntawm qhov tsis zoo tawm mus ntau qhov xav tau.

Cov ntsiab lus ntawm MLH265 series

Lub sensor ntawm cov khoom nthuav tawm yog tsim nrog ob daim nyias nyias, uas muaj 4 microns conductivity. Quartz conductors muaj peev xwm ua haujlwm ntawm cov av noo ntawm 55%. Hauv qhov no, qhov siab tshaj plaws ua haujlwm kub yog 40 degrees. Qhov no sensor tsis muaj kev tiv thaiv, thiab cov rwb thaiv tsev yog ntawm chav kawm thib ob. Qhov tsawg kawg nkaus zaus ntawm lub caij yog khaws cia ntawm 5 Hz.