Advanced Facilities Efficient ProductionRaws li peb txhua tus paub, cov sensors tau siv dav hauv tib neeg noj thiab lub neej. Tshwj xeeb tshaj yog rau cov khoom siv high-definition, ntau yam tshuaj ntsuam xav tau los saib xyuas thiab tswj ntau yam tsis muaj nyob rau hauv txoj kev noj kev haus, kom cov khoom siv ua haujlwm los yog ua haujlwm zoo dua. Lub xeev thiab nqa cov khoom kom zoo tshaj. Yog li ntawd, nws yuav hais tias tsis muaj ntau yam zoo heev sensors, niaj hnub kev noj mov yuav poob nws cov keeb kwm. Hauv cov tshuaj, cov ntsuas tau zoo tuaj yeem tshawb xyuas qhov teebmeem thiab tau txais txoj kev npaj khomob zoo. Hauv kev tshawb nrhiav kev sib tham, tus sensor muaj txoj hauj lwm tseem ceeb. Nyob rau ntau thaj chaw, cov kev xav thiab cov sensors yooj yooj yim tsis muaj peev xwm tau txais cov ntaub ntawv tseeb. Nws yog ib qhov tsim nyog yuav tau siv ib lub cauj-sensor siab ua qhov ntsuas. Cov duab thaij tau txais kev pabcuam yog qhov sib txuas ntawm lub teeb uas siv lub teeb. Sensors uas hloov cov teeb liab hauv hluav taws xob hluav taws xob muaj ib qho tseem ceeb heev hauv kev tswj tsis tau thiab tsis yog hluav taws xob hluav taws xob vim tias lawv tsis muaj kev sib cuag, cov lus teb ceev ceev thiab kev ua haujlwm zoo.
Sensor muaj pes tsawg leeg
(1) Cuam tshuam rhiab: Nws tuaj yeem paub ncaj qha rau cov ntsuas hluav taws xob thiab hloov mus rau lwm yam khoom siv uas muaj kev sib raug zoo nrog ntsuas ntsuas tsis raws li qee txoj cai.
(2) Kev hloov pauv hloov (tseem hu ua converter, sensor device): hloov cov tsis muaj hluav taws xob ntau lub cev (xws li teeb siv lub teeb, thiab lwm yam.
(3) Ntsuas qhov teeb meem (circuit) hloov (circuit): tso tseg qhov kev ua kom nrov, kev muab pov tseg, pov tseg, thiab lwm yam.
(4) Lub hwj chim pab txhawb nqa: Nws lub luag haujlwm yog los muab lub zog. Qee tus sensors yuav tsum muaj lwm lub hwj chim; qee qhov kev ntsuas tsis tas yuav siv lwm lub hwj chim, xws li piezoelectric sensor.
Lub luag haujlwm ntawm lub sensor
Niaj hnub cov lus qhia txog kev siv tshuab yog cov lus teb. Tus tswv hauj lwm xav tias lub nruab nrog cev tsis tuaj yeem tau txais cov ntaub ntawv tseeb, thiab tib lub sijhawm, nws yuav tsum tsis txhob muaj ntau yam uas tsis tuaj yeem paub ntawm lub cev. Qhov kev xav hauv qab no yog ib qho kev qhia rau tib neeg lub cev kom tau txais cov ntaub ntawv thiab cov ntaub ntawv. nruab nrab.
Hauv kev ua noj, cov cuab yeej siv high-precision yuav tsum tau los txhawb ntau yam kev ntsuas los tswj thiab tswj ntau yam tsis muaj nyob rau hauv kev noj kev haus, kom cov khoom ua haujlwm hauv ib lub xeev lossis hauv ib qho kev pom zoo, thiab ua kom tau zoo tshaj plaws ntawm cov khoom. Yog li ntawd, nws yuav hais tias tsis muaj ntau yam zoo heev sensors, niaj hnub kev noj mov yuav poob nws cov keeb kwm.
Cov duab thaij tau txais yog ib lub cim uas ua rau lub cim hluav taws xob ua rau hluav taws xob siv hluav taws xob, thiab siv nws lub tsho ntev, thiab nws lub tsho ntev uas nyob ze ntawm qhov pom ntawm lub qhov rais, nrog rau lub qhov ntaiv ntawm infrared thiab lub ultraviolet wavelength. Lub teeb sensor tsis yog siv rau qhov pom ntawm lub teeb. Nws kuj siv tau los ua ib qho khoom ntes ua rau lwm tus sensors. Rau ntau lub non-power nres detections, nws tsuas yog tsim nyog hloov cov nquag siv hluav taws xob rau hauv cov kev hloov hauv qhov teeb meem kho qhov muag. Lub teeb sensor yog ib qho kev siv ntau tshaj plaws thiab dav siv sensors, thiab nws plays lub luag haujlwm tseem ceeb hauv kev tswj tsis siv neeg thiab kev siv hluav taws xob ntsuas tshuab. Photosensors muaj nyob rau hauv ntau cov photocells, photomultipliers, photoresistors, phototransistors, optocouplers, hnub ci hlwb, infrared sensors, UV sensors, fiber ntau optic sensors, xim sensors, CCD thiab CMOS duab sensors.
Ua li cas tus duab suab nrov tuaj yeem ua haujlwm
Cov duab thev duab uas tseem hu ua "photo-sensing resistors", thiab lawv txoj haujlwm ua haujlwm yog los ntawm cov teebmeem sab hauv. Cov photosensor nruab nrog high-precision photocell. Lub photocell muaj ib lub phaj me me uas muaj ib hom "type-type two-tube". Thaum rov qab ceev faj yog siv rau ob qho tag nrho ntawm cov phototube, muaj teeb pom kev zoo rau nws. Nws yuav ua rau kev tso tawm ntawm electrons. Yog li ntawd, qhov ntau dua qhov siv lub teeb, qhov loj dua tam sim no ntawm cov phototube. Thaum lub sij hawm tam sim no dhau los ntawm kev tawm tsam, qhov voltage hla lub resistor yuav hloov mus rau 0 ntawm lub digital-los-analog converter ntawm lub collector. -5V voltage, ces sau thiab khaws cov ntsiab lus kom tsim nyog. Kom yooj yim, cov duab photoscores yog ib qho teebmeem ntawm lub teeb uas xa mus rau lub tuam tsev neeg siv lub tshuab ua haujlwm uas siv photoresistor cuam tshuam los ntawm kev siv lub teeb thiab cov kev hloov ua haujlwm.
Lub photoresistor yog ib qho uas ua tau los ntawm kev siv cov duab ntawm lub thev naus laus zis los hloov cov nqi uas tsis haum los ntawm kev siv qhov teeb meem ntawm teeb meem; qhov xwm txheej siv lub teeb, qhov ua hauj lawm yog txo, qhov teeb meem lub teeb qaug zog, thiab qhov kev ua haujlwm nce. Cov duab thev duab uas feem ntau siv rau kev ntsuas lub teeb, kev tswj lub teeb, thiab kev hloov yees duab (hloov cov teeb pauv hauv kev hloov hluav taws xob).
Photoresistance
Lub hauv paus ntsiab lus: Nws ua haujlwm raws li qhov teebmeem ntawm qhov teebmeem ntawm cov khoom cua. Cov photoresistor yog cov tsis-ncov qaumteb thiab lub qhov av yog ib qho tivthaiv tiv taus. Nws tuaj yeem siv nrog DC voltage thiab AC voltage. Ua hauj lwm txoj cai ntawm photoresistor: thaum teeb pom kev zoo, qhov tsis kam yog qhov tsawg heev; thaum tsis muaj lub teeb, qhov kev ua haujlwm yog loj heev. Qhov muaj zog lub teeb, lub zog me me; lub teeb nres thiab qhov kev ua haujlwm rov qab.
Spectral ntau: los ntawm thaj av ultraviolet mus rau cheeb tsam khov.
Zoo: qhov yooj yim, me me, ruaj khov thiab tsis tshua muaj nqi.
Photoresist kev ua tsis tau:
Tus tsis kam thaum tus photoresistor tsis raug mus rau lub teeb yog hu ua maub tsis kam, thiab qhov tam sim no ntws ntawm lub sij hawm no yog hu ua ib qho tsaus ntuj tam sim no. Qhov tsis kam thaum raug lub teeb ci yog hu ua kev kaj siab, thiab tam sim no hu ua lub sijhawm uas ci ntsa iab. Qhov loj dua qhov tsaus ntuj tsis kam, qhov zoo dua, thiab me zog lub teeb tsis kam, qhov zoo dua. Hauv daim ntawv thov, qhov tsaus ntuj tsis kam yog hais txog megaohms thiab qaug zog tsis kam yog txog ntau txhiab ohms.
Sensor tsim lub hom phiaj thiab kev pom tseeb
Ua li cas tus duab suab nrov tuaj yeem ua haujlwm
Ib qho sensor yog ib qho sensor uas siv lub ntsiab nti-hloov nkag siab hloov qhov teeb liab tov rau hauv hluav taws xob teeb liab. Nws lub vas nthiv lub vas nthiv yog nyob ze rau ntawm qhov pom ntawm lub qhov rais, nrog rau lub qhov ntaiv ntawm infrared thiab ultraviolet wavelength. Lub teeb sensor tsis yog siv rau qhov pom ntawm lub teeb. Nws kuj siv tau los ua ib qho khoom ntes ua rau lwm tus sensors. Rau ntau lub non-power nres detections, nws tsuas yog tsim nyog hloov cov nquag siv hluav taws xob rau hauv cov kev hloov hauv qhov teeb meem kho qhov muag. Lub teeb sensor yog ib qho kev siv ntau tshaj plaws thiab dav siv sensors, thiab nws plays lub luag haujlwm tseem ceeb hauv kev tswj tsis siv neeg thiab kev siv hluav taws xob ntsuas tshuab. Lub photoresistor yog qhov tshwj xeeb uas ua tau los ntawm kev siv cov ntawv luam ntawm cov ntawv luam ua semiconductor. Nws tseem ceeb heev rau lub teeb, thiab nws cov nqi kuj tuaj yeem hloov nrog qhov kev hloov ntawm sab nrauv lub teeb siv (shading). Thaum nws nyob rau hauv qhov tsis muaj lub teeb, nws yog nyob rau hauv ib lub high-fab xeev; thaum muaj teeb, nws kuj muaj nqis txo ceev. Nws yog dav siv hauv ntau yam kev tswj ntawm cov khoom siv (xws li kev tswj teeb pom kev zoo), khoom siv hluav taws xob (xws li qhov siab hloov kho hauv TV hauv kab, tsis muaj kev sib tsom hauv cov koob yees duab, thiab lwm yam). Lub resistor yog hu ua lub teeb yeeb nkab, uas yog ib qho yooj yim ntawm lub tshuab hluav taws xob tau ua ntawm cov ntaub ntawv semiconductor. Photoresistor tsis muaj polarity. Lub qhov av yog ib yam khoom uas resistor uas tuaj yeem siv nrog DC voltage lossis AC voltage. Thaum tsis muaj lub teeb, qhov nqi ntawm photoresistor (tsaus kuj) loj loj, thiab tam sim no (tsaus nti tam sim no) hauv Circuit Court me me. Thaum lub photoresistor raug lub teeb nyob rau hauv ib yam kabmob ntau yam, nws lub zog (ci tsis kam) yog khov txo, thiab tam sim no nyob rau hauv lub Circuit Court sai nce. Feem ntau, qhov loj dua tsaus nti tsis ua hauj lwm, qhov zoo dua, lub zog me me tsis kam, qhov zoo dua qhov yooj yim ntawm daim duab-rhiab resistor. Qhov tsaus ntuj ua haujlwm ntawm kev siv photoresistor feem ntau yog nyob rau hauv qhov kev txiav txim ntawm megaohms, thiab tus nqi ntawm lub siab tsis kam yog hauv qab ntau txhiab ohms.
Lub teeb lub teeb ntxig hloov cov teeb liab siv hluav taws xob los ntawm lub teeb hluav taws xob los ntawm lub teeb emitting diode thiab lub suab sib tsoo kom ua lub teeb pom kev zoo siv lub teeb pom kev zoo. Lub teeb siv yog txawv ntawm qhov ntawm lub teeb sensor. Thaum lub teeb uas khov kho muaj zog, qhov tsis kam ntawm cov photosensor me me. Thaum lub teeb uas tsis muaj zog, cov photosensor loj heev. Thaum lub teeb siv haum lawm, cov ua haujlwm ntawm lub yees duab sensor tsis muaj zog. Nruab nrab ntawm qhov tsis kam ntawm lub teeb thiab qaug zog lub teeb. Vim li no, lub teeb liab yuav raug muab hloov mus rau hauv ib lub teeb hluav taws xob los ntawm cov duab ci ntsa iab, thiab lub teeb liab teebmeem tuaj yeem siv txawv los ntawm ntau cov hluav taws xob cov hluav taws xob uas tau tsim los ntawm ntau yam kev qhia txog kev taws teeb kom pom cov teeb meem sib txawv.