Dab tsi yog qhov txawv ntawm Optical Fiber Sensor thiab Photoelectric Sensor?

Optical Fiber Sensorthiab photoelectric sensor, raws li ob yam sensors, tau dav siv nyob rau hauv kev ntsuas ntau lawm, qhov txawv ntawm lawv yog dab tsi?

1. Cov ntsiab lus sib txawv

Optical fiber ntau sensor:Optical fiber sensor yog ib lub sensor uas hloov lub xeev ntawm cov khoom ntsuas mus rau hauv lub ntsuas qhov muag pom teeb liab. Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm optical fiber sensor yog xa cov teeb pom kev zoo ntawm lub teeb pom kev los ntawm cov khoom siv kho qhov muag mus rau hauv lub modulator, kev sib cuam tshuam ntawm cov modulator thiab cov ntsuas ntsuas sab nraud, kom cov khoom siv kho qhov muag ntawm lub teeb xws li lub teeb siv, wavelength, zaus, theem, polarization lub xeev hloov, ua lub modulated kho qhov muag teeb liab, thiab tom qab ntawd los ntawm cov optical fiber mus rau hauv lub photoelectric ntaus ntawv, tom qab lub demodulator kom tau qhov ntsuas tsis.

Photoelectric sensor:Photoelectric sensor yog ib qho khoom siv uas hloov cov teeb liab kho qhov muag rau hauv cov teeb liab hluav taws xob. Nws ua haujlwm ntawm lub hauv paus ntawm cov nyhuv photoelectric. Cov nyhuv photoelectric hais txog qhov tshwm sim uas thaum lub teeb yog irradiated ntawm tej yam khoom, cov electrons ntawm cov khoom nqus lub zog ntawm cov photons thiab cov hluav taws xob sib raug zoo tshwm sim.

2. Kev ua haujlwm sib txawv

Photoelectric sensor:

⑴ Cov lus teb dav dav thiab muaj peev xwm ntawm kev ntsuas kev sib haum xeeb. Qhov zoo ntawm cov yam ntxwv hloov pauv yog qhov tseem ceeb rau kev txiav txim siab seb lub tshuab hloov pauv tuaj yeem siv rau hauv lub zog hluav taws xob, tshwj xeeb tshaj yog kev koom tes nrog kev tiv thaiv kev tiv thaiv lub sijhawm ua haujlwm. Vim lub neej ntawm cov tub ntxhais hlau, cov tsoos electromagnetic transformer muaj cov yam ntxwv tsis zoo rau cov teeb liab zaus thiab tsis tuaj yeem cuam tshuam cov txheej txheem hloov pauv ntawm thawj sab kom raug. Txawm li cas los xij, qhov ntsuas ntau zaus ntawm CT feem ntau yog txiav txim siab los ntawm cov hluav taws xob hluav taws xob, thiab tsis muaj teeb meem nrog cov tub ntxhais saturation, yog li nws tuaj yeem cuam tshuam qhov kev hloov pauv ntawm thawj sab. Feem ntau tuaj yeem tsim tau mus txog 0.1Hz txog 1MHz, tshwj xeeb tuaj yeem tsim tau mus txog 200MHz bandpass. Cov qauv ntawm photoelectric sensor tuaj yeem ntsuas kev sib haum xeeb ntawm cov kab hluav taws xob siab. Electromagnetic induction transformer yog qhov nyuaj rau ncav cuag.

(2) Digital interface, muaj peev xwm sib txuas lus muaj zog, vim tias photoelectric sensor down yog lub teeb liab kho qhov muag, yooj yim interface nrog kev sib txuas lus, thiab tsis muaj qhov ntsuas qhov yuam kev hauv cov txheej txheem sib kis. Nyob rau tib lub sijhawm, nrog kev siv cov cuab yeej siv computer tiv thaiv thiab kev tswj hwm dav dav, lub photoelectric transformer tuaj yeem ncaj qha muab cov lej digital rau cov khoom siv thib ob, uas tuaj yeem tshem tawm cov hloov pauv thiab A / D piv txwv ntawm cov cuab yeej tiv thaiv thawj, ua kom yooj yim heev cov khoom siv thib ob, thiab txhawb kev tshawb fawb txog kev tiv thaiv tshiab.

(3) Cov me me, lub teeb yuag, yooj yim rau kev hloov kho, kom ua tau raws li qhov yuav tsum tau ua ntawm substation miniaturization, thiab compact, vim tias lub photoelectric sensor yog raws li lub taub hau sensor thiab hluav taws xob Circuit Court teeb liab tau txais thiab ua, ntim me me, qhov hnyav feem ntau tsawg dua 1000kg. , yooj yim rau kev sib koom ua ke hauv AIS lossis GIS, qhov no yuav txo qis thaj tsam ntawm lub substation, Ua tau raws li cov kev cai ntawm substation miniaturization thiab compactness. Nyob rau tib lub sijhawm, optical transformer txuas nrog cov khoom siv thib ob los ntawm qee qhov me me ntawm cov khoom siv kho qhov muag, uas tuaj yeem txo cov kab trench thiab cable zoo heev.

Optical fiber ntau sensor:

⑴ Nws muaj cov khoom tiv thaiv hluav taws xob thiab hluav taws xob atomic cuam tshuam, txoj kab uas hla zoo, muag muag thiab lub teeb yuag

(2) Cov khoom hluav taws xob ntawm rwb thaiv tsev thiab tsis muaj induction

(3) Dej tsis kam, kub-resistant, corrosion resistance, thiab lwm yam tshuaj muaj zog, tuaj yeem ncav cuag qhov chaw, lossis ua rau muaj kev phom sij rau tib neeg hauv cheeb tsam (xws li thaj chaw hluav taws xob nuclear), ua lub luag haujlwm ntawm tib neeg lub qhov muag thiab pob ntseg.

(4) Nws tuaj yeem hla tus ciam teb ntawm tib neeg lub cev thiab tau txais cov ntaub ntawv sab nraud uas tsis tuaj yeem hnov ​​​​los ntawm tib neeg lub siab.

3. Txawv txoj haujlwm ua haujlwm

Ua ntej ntawm tag nrho cov, los ntawm lub hauv paus ntsiab lus ntawm kev ua hauj lwm ntawm ob, lub photoelectric sensor yog raws li lub hauv paus ntsiab lus ntawm cov nyhuv photoelectric ua hauj lwm, uas yog hais tias, thaum lub teeb ci nyob rau hauv lub photoelectric sensor ua los ntawm semiconductor, nws yuav emit photoelectrons. tuaj yeem hloov mus ua hluav taws xob. Piv txwv li, photoresistors, photodiodes, thiab phototransistors feem ntau siv rau kev tswj lub teeb yog raws li cov nyhuv no.

Txoj haujlwm ua haujlwm ntawm photoelectric sensor

Lub optical fiber sensor ua haujlwm los ntawm lub hauv paus ntsiab lus ntawm tag nrho cov kev xav ntawm lub teeb. Lub hauv paus ntsiab lus ntawm tag nrho kev xav ntawm lub teeb yog kawm nyob rau hauv tsev kawm ntawv theem nrab physics. Piv txwv li, Snell txoj cai ntawm refraction thiab reflection ntawm lub teeb yog qhia meej meej los ntawm kev sib raug zoo lej. Yog li peb tuaj yeem siv lub teeb kis tus yam ntxwv ntawm cov khoom siv kho qhov muag los hloov qhov ntsuas mus rau hauv cov kev hloov ntawm cov yam ntxwv ntawm lub teeb, xws li hloov qhov zaus, wavelength, kev siv zog thiab theem ntawm lub teeb.

4. Cov khoom sib txawv

Photoelectric sensors yog tsim los ntawm cov khoom siv semiconductor lossis cov ntaub ntawv hlau nrog cov teebmeem photoelectric. Piv txwv li, cov khoom siv ntawm photodiodes thiab photodiodes feem ntau suav nrog cov ntaub ntawv silicon lossis cov ntaub ntawv germanium, thiab cov khoom siv hluav taws xob yog ua los ntawm cadmium sulfide lossis indium antimonide cov ntaub ntawv.

Optical fiber ntau sensor yog tsim los ntawm cov iav fiber ntau nrog lub teeb pom kev zoo (tsuas yog quartz iav), muaj pes tsawg leeg kuj yooj yim.

5. Cov qauv sib txawv

Lub photoelectric sensor yog qhov yooj yim, xws li photodiode uas muaj tus pin, plhaub, tube tub ntxhais, thiab iav condenser qhov chaw.

Cov qauv ntawm optical fiber ntau sensors yog qhov nyuaj, ntxiv rau cov fiber ntau optical thiab qee qhov kev sib txuas ua ke ua pab tswj.

6. Qhov sib txawv ntawm kev ntsuas

Qhov ntau yam ntsuas los ntawm photoelectric sensor yog me me, uas feem ntau suav nrog lub teeb siv, illumination, tshaj tawm, thiab lim tawm.

Qhov ntsuas qhov muag fiber ntau yog qhov dav, hais txog tuaj yeem ntsuas ntau dua 70 lub cev, xws li siab, kev vibration, ceev, tam sim no, kub, ntws, thiab sib nqus teb, yog li kev txhim kho yav tom ntej ntawm fiber ntau optical sensor muaj peev xwm loj, tuaj yeem yuav hais tias yog ib tug latecomer.

7. Cov ntawv thov sib txawv

Photoelectric sensor: photoelectric sensor nrog photoelectric caij raws li lub ntsiab lus rhiab, nws ntau yam, thiab ntau yam kev siv. Cov khoom tso zis ntawm photoelectric sensor tuaj yeem muab faib ua ob pawg: hloov qhov ntsuas mus rau qhov hloov pauv tas li ntawm photocurrent ua los ntawm cov khoom siv hluav taws xob ntsuas, uas tuaj yeem siv los ntsuas qhov siv ntawm lub teeb thiab lub cev muaj nuj nqis xws li qhov kub ntawm qhov khoom, Lub teeb kis muaj peev xwm, hloov chaw, thiab lub xeev nto. Piv txwv li, kev ntsuas lub teeb siv lub teeb pom kev zoo, photoelectric pyrometer, photoelectric colorimeter thiab turbidimeter, thiab photoelectric tswb kom tiv thaiv hluav taws, ua qhov kev tshuaj xyuas ntawm txoj kab uas hla, qhov ntev, ellipticity, thiab nto roughness ntawm cov txheej txheem thiab lwm yam khoom siv tsis siv neeg tshawb nrhiav thiab cov twj paj nruag, cov ntsiab lus rhiab yog cov ntsiab lus photoelectric. Semiconductor optoelectronic cov cuab yeej siv tsis yog tsuas yog siv dav hauv kev lag luam hauv pej xeem, tab sis kuj ua lub luag haujlwm tseem ceeb hauv cov tub rog.

Piv txwv li, ib qho txhuas sulfide photoresistor tuaj yeem ua rau hauv lub teeb pom kev hmo ntuj infrared, lub koob yees duab infrared, thiab infrared navigation system; Hloov cov ntsuas photocurrent kom hloov mus ntxiv. Ntau yam khoom siv hluav taws xob tsis siv neeg photoelectric yog tsim los ntawm kev siv cov yam ntxwv ntawm "nrog" lossis "tsis muaj" hluav taws xob teeb liab tso tawm thaum illuminated los ntawm lub teeb lossis tsis muaj lub teeb. Cov khoom siv photoelectric yog siv los ua ib qho kev hloov pauv photoelectric hloov dua siab tshiab. Piv txwv li, hluav taws xob lub computer photoelectric input ntaus ntawv, hloov qhov ntsuas kub tswj, thiab ntsuas ceev digital photoelectric velocimeter.

Optical fiber ntau sensors: daim ntawv thov kev cuam tshuam gyroscopes thiab grating siab sensors nyob rau hauv nroog tsim choj, DAMS, roj teb, thiab lwm yam. Fiber optic sensors yuav embedded nyob rau hauv pob zeb, carbon fiber-reinforced plastics, thiab ntau yam composite cov ntaub ntawv los ntsuam xyuas kev nyuaj siab, kev tsim kho. kev nyuaj siab, thiab dynamic load stress, thiaj li soj ntsuam cov qauv kev ua tau zoo ntawm tus choj thaum lub sij hawm luv luv kev tsim kho thiab kev ua hauj lwm mus sij hawm ntev. Nyob rau hauv lub hwj chim system, nws yog tsim nyog los ntsuas qhov kub thiab txias, tam sim no thiab lwm yam tsis, xws li qhov ntsuas kub nyob rau hauv lub stator thiab rotor ntawm high-voltage transformer thiab loj lub cev muaj zog. Vim tias cov hluav taws xob sensors raug cuam tshuam rau electromagnetic cuam tshuam, lawv tsis tuaj yeem siv rau lub sijhawm zoo li no, yog li siv cov khoom siv fiber ntau optical xwb.

Tiv tauj xov tooj:

Yog tias koj muaj lus nug, thov hu rau peb. Txawm peb cov neeg muas zaub nyob qhov twg thiab peb cov kev xav tau yog dab tsi, peb yuav ua raws li peb lub hom phiaj los muab peb cov neeg siv khoom zoo, tus nqi qis, thiab kev pabcuam zoo tshaj plaws.