Dab tsi yog Hom Ntawm Cov Sensors?

Lub sensor yog ib qho khoom siv uas siv cov thev naus laus zis tshiab los ntsuas lub cev thiab tshuaj lom neeg. Nws yog feem ntau siv los ntes thiab teb cov teeb liab hluav taws xob lossis kho qhov muag, yog li muaj ntau ntau yam. Hauv qab no yog cov ncauj lus kom ntxaws txog hom sensors:

1. Resistive sensor

• Lub sensor resistive yog ib qho cuab yeej uas hloov cov ntsuas lub cev, xws li hloov chaw, deformation, quab yuam, acceleration, av noo, kub, thiab lwm yam. Muaj cov khoom siv hluav taws xob ntau yam xws li hom kev tiv thaiv hom, hom piezoresistive, thermal kuj, kub-rhiab, gas-rhiab heev, thiab av noo-rhiab heev.

 

 

2. Kub sensor

• Qhov ntsuas kub ntawm qhov ntsuas kub feem ntau yog raws li lub hauv paus ntsiab lus uas tus nqi ntawm qhov tsis kam thiab lub peev xwm ntawm cov thermocouple hloov tsis tu ncua nrog qhov sib txawv ntawm qhov kub thiab txias, thiab peb tuaj yeem tau txais qhov ntsuas kub uas yuav tsum tau ntsuas. Tsis tsuas yog muaj ntau yam kub sensors, tab sis kuj muaj ntau yam kev sib txuas. Cov khoom tsim nyog yuav tsum raug xaiv raws li qhov chaw sib txawv.

3. Siab sensor

• Lub siab sensor yog qhov feem ntau siv sensor hauv kev lag luam. Nws yog dav siv nyob rau hauv ntau yam kev lag luam tsis siv neeg tswj ib puag ncig, suav nrog kev txuag dej thiab dej, kev thauj mus los hauv kev tsheb ciav hlau, lub tsev ntse, kev tswj tsis siv neeg, aerospace, tub rog kev lag luam, petrochemical, roj qhov dej, hluav taws xob, nkoj, tshuab cuab yeej, kav dej, thiab ntau lwm yam. kev lag luam.

4. zaus hloov hluav taws xob sensor

• Lub zog hloov hluav taws xob ntau zaus ua haujlwm AC piv txwv ntawm cov khoom siv hluav taws xob thiab cov teeb liab tam sim no, thiab tom qab ntawd txuas cov qauv coj mus rau qhov ntsuas thib ob nrog cov tswv yim digital los ntawm kev sib kis xws li cables thiab optical fibers, thiab cov cuab yeej thib ob nrog cov tswv yim digital ua kev suav rau ntawm cov khoom siv hluav taws xob. sampled qhov tseem ceeb ntawm qhov hluav taws xob thiab tam sim no, koj tuaj yeem tau txais voltage RMS tus nqi, tam sim no RMS tus nqi, qhov tseem ceeb voltage, tseem ceeb tam sim no, harmonic voltage, harmonic tam sim no, nquag zog, lub zog tseem ceeb, harmonic zog thiab lwm yam tsis.

5. Resistive strain sensor

• Qhov ntsuas ntsuas qhov ntsuas hauv qhov ntsuas tau muaj qhov cuam tshuam ntawm cov hlau, uas yog, txhua yam deformation tshwm sim nyob rau hauv qhov kev txiav txim ntawm sab nraud quab yuam, yog li tus nqi kuj hloov raws li. Muaj ob hom kev ntsuas kev tiv thaiv kab mob: hlau thiab semiconductor. Hlau strain gauges yuav muab faib ua hom hlau, ntawv ci hom thiab zaj duab xis hom. Semiconductor strain gauges muaj qhov zoo ntawm qhov siab rhiab heev (feem ntau yog kaum ob lub sijhawm ntawm cov hlau thiab ntawv ci hom) thiab cov teebmeem me me.

6. Thermal resistance sensor

• Thermal resistance temperature ntsuas yog raws li cov yam ntxwv uas tus nqi kuj ntawm cov hlau conductors nce nrog qhov nce ntawm qhov kub thiab txias los ntsuas kub. Feem ntau cov thermal resistances yog ua los ntawm cov khoom siv hlau ntshiab, thiab platinum thiab tooj liab yog siv dav tshaj plaws tam sim no. Tsis tas li ntawd, cov ntaub ntawv xws li npib tsib xee, manganese, thiab rhodium tau siv los tsim cov thermal resistances. Nws tsuas yog siv cov yam ntxwv uas tus nqi tsis kam hloov nrog qhov kub thiab txias los ntsuas qhov ntsuas kub thiab ntsuas qhov ntsuas kub. Qhov no sensor yog tsim nyog rau lub sijhawm uas qhov ntsuas kub ntsuas qhov tseeb yog qhov siab.

 

 

7. Laser sensor

• Cov sensors uas ntsuas ntsuas siv laser technology. Nws muaj lub laser, lub laser ntes, thiab ntsuas Circuit Court. Lub laser sensor yog hom tshiab ntsuas ntsuas. Nws qhov zoo yog tias nws tuaj yeem paub qhov tsis sib cuag nrog kev ntsuas qhov ntev, ceev ceev, siab precision, loj ntsuas ntau, thiab muaj peev xwm tiv taus lub teeb thiab hluav taws xob cuam tshuam. Thaum lub laser sensor ua haujlwm, lub laser emitting diode yog tsom rau lub hom phiaj kom emit laser pulses. Tom qab tau pom los ntawm lub hom phiaj, lub teeb laser tau tawg mus rau txhua qhov kev qhia, thiab ib feem ntawm lub teeb tawg rov qab mus rau lub sensor txais. Tom qab tau txais los ntawm lub tshuab kho qhov muag, nws yog duab ntawm lub avalanche photodiode.

8. Hall sensor

• Hall sensor yog ib qho chaw sib nqus sensor ua raws li Hall effect, uas yog dav siv nyob rau hauv industrial automation technology, nrhiav kom tau technology, thiab cov ntaub ntawv ua. Cov nyhuv Hall yog ib txoj hauv kev los kawm txog cov khoom ntawm cov khoom siv semiconductor. Hall coefficient ntsuas los ntawm Hall effect kev sim tuaj yeem txiav txim siab qhov tseem ceeb xws li hom conductivity, carrier concentration, thiab kev txav mus los ntawm cov khoom siv semiconductor.

9. Wireless kub sensor

• Lub wireless kub sensor hloov cov ntsuas kub ntawm cov khoom tswj mus rau hauv cov teeb liab hluav taws xob thiab xa cov teeb liab wireless mus rau lub davhlau ya nyob twg los kuaj xyuas, kho, thiab tswj lub kaw lus. Nws tuaj yeem raug ntsia ncaj qha rau hauv lub thawv sib txuas ntawm kev lag luam thermal kuj thiab thermocouple thiab tsim cov qauv kev sib xyaw nrog cov ntsiab lus teb. Nws feem ntau yog siv ua ke nrog wireless relays, tau txais terminals, kev sib txuas lus serial ports, electronic computers, thiab lwm yam. Qhov no tsis tsuas yog txuag nyiaj nyob ntawm tej thiab cables, tab sis kuj txo cov teeb liab kis distortion thiab cuam tshuam, yog li tau txais high-precision ntsuas tau.

10. Ntse sensors

• Kev ua haujlwm ntawm lub ntse sensor yog npaj los ntawm kev simulating kev sib koom tes ntawm tib neeg lub siab thiab lub hlwb, ua ke nrog kev tshawb fawb mus sij hawm ntev thiab kev ua tau zoo hauv kev sim tshuab. Nws yog ib qho kev ywj pheej uas txawj ntse. Nws cov tsos tau txo qis cov kev xav tau hnyav ntawm cov khoom siv qub qub, thiab kev ua haujlwm ntawm lub sensor tuaj yeem txhim kho tau zoo nrog kev pab ntawm software.

11. Lub zeem muag sensor

• Lub teeb pom kev pom yog hais txog lub peev xwm los ntes ntau txhiab pixels ntawm lub teeb los ntawm tag nrho cov duab. Lub clarity thiab fineness ntawm ib daim duab yog feem ntau ntsuas los ntawm kev daws teeb meem, qhia nyob rau hauv cov nqe lus ntawm cov pixels. Lub zeem muag sensors muaj ntau txhiab pixels uas ntes lub teeb los ntawm tag nrho cov duab. Lub sharpness thiab nthuav dav ntawm ib tug duab feem ntau yog ntsuas los ntawm kev daws teeb meem, qhia nyob rau hauv tus naj npawb ntawm pixels.

12. Kev xaav sensor

• Lub sensor hloov chaw tseem hu ua linear sensor, lub sensor uas hloov pauv mus rau hauv hluav taws xob. Qhov kev hloov pauv sensor yog ib qho khoom siv linear uas belongs rau hlau induction. Lub luag haujlwm ntawm lub sensor yog hloov ntau yam ntsuas lub cev rau hauv hluav taws xob. Nws tau muab faib ua inductive displacement sensors, capacitive displacement sensors, photoelectric hloov sensors, ultrasonic hloov chaw sensors, Hall Hall-hom hloov chaw sensors.

13. Grating sensor

• Metrological gratings feem ntau yog siv nyob rau hauv cov cuab yeej tshawb nrhiav kom pom cov khoom siv hluav taws xob zoo tshaj plaws thiab kev hloov pauv angular. Nws yog cov cuab yeej tshawb nrhiav uas tau siv dav hauv CNC tshuab cuab yeej. Qhov kev daws teeb meem ntawm qhov grating sensor feem ntau tuaj yeem ncav cuag li 1 μm, qhov ntev ntawm ib qho grating tuaj yeem ncav cuag ntau dua 600 hli, lub ntsiab grating tuaj yeem sib txuas, thiab qhov ntsuas qhov ntsuas tau ncav cuag ntau tshaj li ob peb meters.

14. Nqus sensor

• Lub tshuab nqus tsev sensor yog tsim los ntawm advanced silicon micro-machining technology. Nws yog lub siab tshaj plaws transmitter ua los ntawm kev sib xyaw silicon piezoresistive keeb raws li lub hauv paus tseem ceeb ntawm lub sensor. Vim yog kev siv cov silicon-silicon ncaj qha sib txuas lossis silicon-Pyrex iav electrostatic Lub tshuab nqus tsev siv lub siab kab noj hniav tsim los ntawm kev sib koom ua ke, thiab cov txheej txheem ntawm kev ntim khoom tsis muaj kev ntxhov siab thiab kev ntsuas kub ntsuas tshuab muaj qhov zoo ntawm kev ruaj ntseg zoo thiab siab precision thiab yog haum rau kev ntsuas thiab tswj lub siab siab hauv ntau qhov xwm txheej.

15. Ultrasonic nrug sensor

• Lub ultrasonic nrug ntsuas sensor txais lub hauv paus ntsiab lus ntawm ultrasonic ncha xws li thiab siv qhov tseeb lub sij hawm sib txawv ntsuas tshuab los xyuas qhov kev ncua deb ntawm lub sensor thiab lub hom phiaj. Nws siv lub kaum sab xis me me, qhov muag tsis pom qhov chaw me me ultrasonic sensor, uas muaj qhov zoo ntawm kev ntsuas qhov tseeb, tsis sib cuag, tsis muaj dej, tiv thaiv corrosion, thiab tus nqi qis. Lwm qhov zoo, nws tuaj yeem siv rau qib kua thiab cov khoom siv qib kom pom. Cov txheej txheem ua kua tshwj xeeb thiab cov khoom siv qib kev tshawb pom tuaj yeem ua kom cov zis ruaj khov thaum muaj npuas lossis loj co ntawm cov kua nto thiab nws yog qhov nyuaj rau kev ntes cov ncha.

16. Load cell

• Lub xovtooj ntawm tes yog lub zog-rau-hluav taws xob hloov khoom siv uas tuaj yeem hloov lub ntiajteb txawj nqus mus rau hauv lub teeb liab hluav taws xob thiab yog ib qho tseem ceeb ntawm lub ntsuas hluav taws xob. Muaj ntau hom sensors uas tuaj yeem paub txog kev hloov hluav taws xob-rau-hluav taws xob, thiab cov khoom sib xws yog hom kev tiv thaiv hom, electromagnetic force type, thiab capacitive type. Lub tshuab hluav taws xob hluav taws xob feem ntau yog siv rau hauv hluav taws xob sib npaug, hom capacitive yog siv rau qee qhov hluav taws xob crane nplai, thiab feem ntau ntawm cov cuab yeej hnyav siv cov kab mob hnyav-hom load hlwb. Qhov kev tiv thaiv hom load cell muaj cov qauv yooj yim, siab raug, thiab siv dav, thiab tuaj yeem siv rau hauv ib puag ncig tsis zoo.

 

 

17. Capacitive qib sensor

• Lub capacitive theem sensor yog tsim los ntawm capacitive sensor thiab hluav taws xob module Circuit Court. Nws yog raws li ob-xaim 4 ~ 20mA qhov tso tawm tam sim no. Tom qab hloov dua siab tshiab, nws tuaj yeem tso tawm rau hauv peb-xaim lossis plaub-xaim hom. Lub teeb liab tso zis yog tsim raws li 1 ~ 5V, 0 ~ 5V, 0 ~ 10mA, thiab lwm yam qauv teeb liab. Capacitive sensors muaj insulated electrodes thiab ib lub thawv hlau cylindrical uas muaj qhov ntsuas nruab nrab. Thaum cov khoom siv qib nce, vim tias qhov dielectric tas li ntawm cov khoom siv tsis yog cov khoom siv hluav taws xob tsawg dua li huab cua, lub peev xwm hloov pauv nrog qhov siab ntawm cov khoom.

18. Antimony electrode acidity sensor

• Antimony electrode acidity sensor yog ib qho kev lag luam hauv online tsom xam ntsuas pH nrhiav kom tau, tsis siv neeg tu, thiab hluav taws xob teeb liab hloov dua siab tshiab. Nws yog pH tus nqi ntsuas qhov system uas muaj cov khoom siv hluav taws xob antimony thiab siv hluav taws xob siv hluav taws xob. Nyob rau hauv cov kua qaub tov yuav tsum tau kuaj, txij li thaum lub antimony trioxide oxide txheej yog tsim nyob rau saum npoo ntawm antimony electrode, muaj peev xwm sib txawv ntawm cov hlau antimony nto thiab antimony trioxide. Qhov loj ntawm qhov sib txawv no nyob ntawm qhov concentration ntawm peb antimony oxides, uassib haum mus rau qhov tsim nyog ntawm hydrogen ions nyob rau hauv acidic tov los ntsuas.

19. Piezoresistive sensor

• Lub piezoresistive sensor yog ib qho cuab yeej ua los ntawm kev sib kis ntawm cov khoom siv hauv cov khoom siv semiconductor raws li cov nyhuv piezoresistive ntawm cov khoom siv semiconductor. Lub substrate tuaj yeem siv ncaj qha los ua lub ntsuas ntsuas ntsuas, thiab qhov sib txawv ntawm qhov sib txawv yog txuas nrog lub substrate los ua tus choj. Thaum lub substrate yog deformed los ntawm ib tug sab nraud quab yuam, qhov kev tiv thaiv qhov tseem ceeb yuav hloov, thiab tus choj yuav tsim ib tug coj unbalanced tso zis. Lub substrate (los yog diaphragm) cov ntaub ntawv siv los ua piezoresistive sensors feem ntau yog silicon wafers thiab germanium wafers. Silicon piezoresistive sensors ua los ntawm silicon wafers raws li cov ntaub ntawv rhiab heev tau nyiam ntau thiab ntau xim, tshwj xeeb tshaj yog rau kev ntsuas siab. Solid-state piezoresistive sensors rau kev ceev thiab ceev feem ntau yog siv.

20. Photosensitive sensor

• Lub photosensitive sensor yog ib qho ntawm feem ntau cov sensors. Nws muaj ntau yam, feem ntau suav nrog: photocells, photomultiplier tubes, photoresistors, phototransistors, hnub ci hlwb, infrared sensors, ultraviolet sensors, fiber optic photoelectric sensors, xim sensors, CCD thiab CMOS duab sensors, thiab lwm yam. Nws rhiab wavelengths nyob ib ncig ntawm lub wavelengths. ntawm pom lub teeb, suav nrog infrared thiab ultraviolet wavelengths. Lub teeb sensor tsis txwv rau kev tshawb pom lub teeb, nws kuj tseem siv tau los ua cov khoom tshawb nrhiav los tsim lwm cov sensors kom pom ntau yam tsis muaj hluav taws xob, tsuav yog cov khoom tsis yog hluav taws xob tau hloov mus rau hauv kev hloov pauv hauv cov teeb liab kho qhov muag. Lub optical sensor yog tam sim no ib qho ntawm cov sensors nrog cov zis ntau tshaj plaws thiab dav tshaj plaws, thiab nws tuav txoj haujlwm tseem ceeb hauv kev qhia txog kev tswj tsis siv neeg thiab tsis siv hluav taws xob ntsuas tshuab.

21. Infrared sensor

• The infrared sensor is a sensor that uses the principle of a thermocouple to detect infrared radiation from the physical effect of the interaction between infrared radiation and matter. In most cases, it uses the electrical effect of this interaction. Measure the difference between the target object and the sensor or the object and the ambient temperature. The principle of the thermocouple is that two different metals A and B form a closed loop. When the temperature of the two contact ends is different (T>Rau), thermoelectricity yog generated nyob rau hauv lub voj. Muaj Peev Xwm Eab, qhov twg T yog hu ua qhov kub kawg, ua haujlwm kawg, lossis ntsuas qhov kawg, thiab To yog hu ua qhov txias kawg, qhov kawg dawb, lossis siv kawg. A thiab B yog hu ua thermoses. Qhov loj ntawm lub peev xwm thermoelectric yog txiav txim los ntawm qhov muaj peev xwm sib cuag (tseem hu ua Burr paste peev xwm) thiab qhov kub ntawm qhov sib txawv (tseem hu ua Thomson peev xwm).

 

 

22. Conductivity sensor

• Nws yog cov txheej txheem ntsuas (kev sib xyaw sensor) uas ntsuas qhov ntsuas ion tsis ncaj los ntawm kev ntsuas tus nqi conductivity ntawm cov tshuaj, thiab tuaj yeem tshawb xyuas qhov conductivity ntawm aqueous kua hauv cov txheej txheem kev lag luam hauv online. Txij li thaum cov tshuaj electrolyte yog ib tug zoo conductor ntawm hluav taws xob zoo li ib tug hlau conductor, yuav tsum muaj kuj thaum lub tam sim no ntws los ntawm cov electrolyte tov, thiab nws ua raws li Ohm txoj cai. Txawm li cas los xij, cov yam ntxwv ntawm qhov kub thiab txias ntawm cov kua yog qhov sib txawv ntawm cov hlau conductors thiab muaj cov yam ntxwv kub tsis zoo. Yuav kom paub qhov txawv ntawm cov hlau conductors, cov conductivity ntawm cov tshuaj electrolyte yog qhia los ntawm conductance (reciprocal ntawm kuj) los yog conductivity (reciprocal ntawm resistivity). Thaum ob lub electrodes insulated los ntawm ib leeg tsim ib lub xovtooj ntawm conductivity, yog hais tias cov tshuaj yuav tsum tau kuaj yog muab tso rau hauv nruab nrab, thiab ib tug tas li voltage alternating tam sim no dhau los ntawm, ib tug tam sim no voj yog tsim. Yog hais tias qhov voltage thiab electrode loj yog tsau, muaj ib qho kev sib raug zoo ntawm lub voj tam sim no thiab cov conductivity.