Sib Nqus Sensor

• Capacitive sib thooj sensors

Capacitive ze ze sensors tuaj yeem ntes hlau thiab tsis yog -hlau lub hom phiaj nyob rau hauv daim ntawv ntawm hmoov, granules, kua, thiab solids. Cov cuab yeej no zoo ib yam li ib qho inductive sensor, tshwj tsis yog tias lub inductive sensor lub inductive kauj yog hloov los ntawm lub capacitive sensing phaj. Lub phaj sensing nyob rau hauv lub sensor tsim ib tug capacitor nrog lub hom phiaj khoom, thiab thaum lub sij hawm cov khoom mus rau qhov chaw ntawm lub sensor, nws nkag mus rau hauv lub electrostatic teb ntawm lub electrode thiab hloov lub capacitance nyob rau hauv lub oscillator circuits. Lub oscillator pib oscillate, thiab lub trigger circuit nyeem cov oscillator amplitude. Thaum nws ncav cuag ib qho amplitude, nws hloov lub xeev ntawm cov zis sensor. Raws li cov khoom txav deb ntawm lub sensor, lub oscillator amplitude txo qis, thiab nws hloov lub xeev ntawm lub sensor tso zis rau nws lub xeev qub.

Capacitive qeeb dua inductive, thiab feem ntau tuaj yeem ntes 1 ~ 25 hli, thiab qee qhov sensors tuaj yeem ntes 2 ntiv tes. Txij li thaum capacitive sensors tuaj yeem ntes tau ntau hom ntaub ntawv, lawv yuav tsum tau khaws cia kom deb ntawm cov ntaub ntawv uas tsis yog - lub hom phiaj kom tsis txhob muaj qhov yuam kev. Yog li ntawd, yog hais tias lub hom phiaj muaj ferrous cov ntaub ntawv, inductive sensors yog ib tug ntau txhim khu kev qha kev xaiv.

• Inductive sib thooj sensors

Tsis zoo li lwm cov thev naus laus zis sib thooj, lawv tsuas tuaj yeem ua haujlwm ntawm cov khoom siv hlau vim tias lawv siv cov khoom sib nqus rau kev tshawb nrhiav. Inductive sib thooj sensors ua haujlwm nyob rau hauv ob txoj kev.

Nyob rau hauv thawj txoj kev, thaum lub hom phiaj mus txog lub sensor, qhov induced tam sim no nce, uas tsub kom lub load ntawm lub oscillation Circuit Court, ua rau nws oscillation yuav tsum tau damped los yog nres. Lub sensor pom qhov kev hloov pauv hauv lub xeev oscillation nrog lub amplitude detection circuit thiab outputs lub teeb liab nrhiav pom.

Hauv lwm txoj kev, qhov kev hloov zaus tshwm sim los ntawm kev muaj lub hom phiaj conductive yog siv los ntawm kev hloov pauv amplitude. Tsis yog -ferrous hlau lub hom phiaj xws li txhuas lossis tooj liab mus rau lub sensor ua rau oscillation zaus nce, thaum ferrous hlau hom phiaj xws li hlau los yog hlau ua rau oscillation zaus txo. Kev hloov pauv hauv oscillation zaus txheeb ze rau qhov siv zaus ua rau lub xeev tso zis ntawm lub sensor hloov.

Raws li qhov sib thooj sensor, inductive sib thooj sensors feem ntau siv nyob rau hauv luv luv daim ntawv thov thiab muaj peev xwm muab tau ceev heev refresh tus nqi vim hais tias lawv yog raws li nyob rau hauv lub hauv paus ntsiab lus ntawm kev soj ntsuam qhov sib txawv ntawm electromagnetic teb. Qhov ntsuas no ua tau zoo dua ntawm cov khoom siv hlau ferrous xws li hlau thiab hlau.

Nyob rau hauv ib txwm muaj xwm txheej, qhov taw qhia teeb liab yog ib txoj hauv kev los cuam tshuam cov xwm txheej ua haujlwm ntawm qhov hloov pauv, uas yog:

Hauv ib txwm qhib (NO) lub xeev, nws yog "tawm"; nyob rau hauv ib txwm kaw (NC) xeev, nws yog "on".

Thaum lub teeb liab qhov taw qhia tsis sib haum nrog lub teeb liab tawm tswv yim, nws qhia tias muaj qhov txawv txav lossis qhov tshwm sim tsis zoo. Muaj ntau yam ua tau:

1. Lub sensor thiab cov khoom siv yog xaim tsis raug, qhov ua haujlwm voltage tsis raug, cov khoom siv luv luv -circuited, thiab lwm yam., uas ua rau muaj kev phem ncaj qha xws li kub hnyiab, kev puas tsuaj, thiab kev puas tsuaj ntawm sab hauv ntawm lub sensor.

2. Cov khoom siv hluav taws xob muaj kev sib cuag tsis zoo lossis tsis ruaj khov luv luv, uas ua rau tsis muaj - puas tsuaj rau sab hauv ntawm lub sensor.

3. Lub sensor nws tus kheej tsis muaj kev tiv thaiv kev ua haujlwm. Thaum qhov kev sib txuas tsis raug lossis luv luv tshwm sim, qhov hloov tsis tuaj yeem siv ncaj qha.

(Nws tsis tuaj yeem paub qhov txawv ntawm qhov tsis zoo los yog kev ua haujlwm tsis zoo.)

4. Lub zog ua haujlwm siab dhau lawm, qhov luv luv tam sim no - qhov hluav taws xob tam sim no siab dhau lawm, thiab cov khoom siv hluav taws xob tau tawg vim ntev - lub sij hawm luv luv. Lub teeb liab teeb liab hloov, tab sis tsis muaj teeb liab tawm.

Lub teeb liab teeb liab flashes, tsis muaj teeb liab hloov, muaj luv luv Circuit Court nyob rau hauv cov khoom siv thiab kev sib txuas, thiab qhov hloov yuav raug puas ncaj qha los yog saturated yog tias nws tsis ua haujlwm ntev.

Nws hais txog txoj kev teeb tsa ntawm lub sensor. Flush installation tuaj yeem muab faus rau hauv cov hlau, thaum tsis yog -flush installation tsis tuaj yeem muab faus rau hauv cov hlau, tab sis qhov kev txiav txim siab ntev dua li ntawm qhov dej ntws. Flush installation: Lub sensor yog faus rau hauv lub hauv paus hlau, thiab nws qhov kev ua haujlwm zoo ntawm qhov chaw ua haujlwm yog flush nrog lub hauv paus nto. Tsis yog-flush installation: Lub sensor tsis yog faus rau hauv lub hauv paus hlau, thiab nws qhov kev ua haujlwm zoo ntawm qhov chaw yuav tsum muaj qhov loj me nrog nws lub hauv paus. Rau qhov sib thooj sensors ntawm tib qhov tshwj xeeb, tsis yog -flush installation tuaj yeem tau txais qhov siab tshaj qhov ntsuas qhov deb. Qhov zoo ntawm flush-mounted sensors yog: lawv muaj kev tiv thaiv kev tiv thaiv zoo dua thiab muaj zog tiv thaiv- muaj peev xwm cuam tshuam piv rau cov tsis yog -flush-mounted sensors. Piv nrog rau cov uas tsis yog -flush- mounted sensors, qhov kev ncua deb ntawm flush-mounted sensors yog hais txog 69% tom kawg.

Lub hauv paus ntsiab lus ua haujlwm ntawm capacitive sib thooj sensors zoo ib yam li cov inductive sensors. Lub capacitor nyob rau ntawm lub ntsiab ntawm lub sensor tsim ib qho chaw electromagnetic. Qhov chaw nyob ze hloov qhov siv thiab zaus ntawm oscillation. Tsis zoo li inductive sensors, capacitive sensors tuaj yeem ntes tsis tau tsuas yog hlau qhov chaw, tab sis kuj yog ib feem ntawm ntau yam duab thiab cov ntaub ntawv (khoom, kua, viscous, hmoov, thiab lwm yam).

Lub ntsiab nta ntawm capacitive sensors yog:

1. Tsawg ntau yam: tsawg dua 60 mm

2.Yuav kim npaum li cas inductive sensors

3.Siv rau ntau qhov chaw ua los ntawm txhua yam khoom sib txawv

4.C tuaj yeem ntes cov khoom los ntawm cov uas tsis yog- cov phab ntsa hlau

5.Sensitive rau ya raws thiab concentrated vapors

6.Widely siv rau qib nrhiav tau (piv txwv li los ntawm lub raj mis yas) thiab rau cov khoom pob tshab kom pom ntawm qhov deb

7.Tsis muaj kev siv tshuab, ua haujlwm ntev -ib leeg ua haujlwm

8.Adapted rau industrial ib puag ncig (polluted atmospheres)

9. High throughput

Inductive sib thooj sensors yog qhov nrov tshaj plaws. Lawv muaj ib tug oscillating Circuit Court uas generates ib tug electromagnetic teb. Txhua qhov hlau uas mus txog nws raug kuaj pom vim nws yog qhov chaw ntawm qhov cuam tshuam tam sim no, uas tom qab ntawd txo cov oscillations hnov ​​​​los ntawm tus ntes.

Cov yam ntxwv tseem ceeb ntawm inductive sensors yog:

1.Tau tsuas yog siv rau cov khoom siv hlau

2.Relatively txwv ntau: siab tshaj 80 mm, nyob ntawm seb qhov xwm ntawm cov alloy

3. Tus nqi qis: ib nrab ntawm tus nqi ntawm photoelectric sensors

4.Robust, resistant rau hnyav ib puag ncig, insensitive rau shocks, vibrations, plua plav, thiab lwm yam.

5.High switching zaus (ntau kHz), tso cai rau kev tshawb pom ntawm qhov chaw hla ntawm kev kub ceev txawm tias thaum tig.

6.Tsis muaj qhov txav mus los yuav tsum hnav

1. Sib nqus teb cuam tshuam: Txij li inductive sib sib zog nqus keyboards xyuas seb ib yam khoom mus txog los ntawm kev kuaj xyuas cov kev hloov hauv magnetic teb, yuav tsum tsis muaj qhov muaj zog magnetic teb nyob ib ncig ntawm lub installation, uas yuav cuam tshuam rau nws cov kev ua haujlwm ib txwm muaj.

2. Lub zog hluav taws xob tsis ruaj khov: Lub zog ua haujlwm ib txwm muaj thiab ruaj khov tuaj yeem ua kom lub cev ua haujlwm ntawm qhov sib thooj. Tsis ruaj tsis khov los yog luv luv ntawm cov kab hluav taws xob yuav ua rau qhov sib thooj hloov mus ua haujlwm tsis zoo.

3. Cov khoom kuaj pom tsis yog cov khoom siv hlau: Qhov kev sib txuas ntawm inductive tuaj yeem ntes cov khoom siv hlau xwb.

4. Kev laus cov cuab yeej siv: Tom qab siv sijhawm ntev -, cov khoom siv sab hauv ntawm qhov sib thooj sib txuas kuj tseem muaj hnub nyoog lossis puas, uas yuav ua rau nws tsis ua haujlwm thiab yuav tsum tau kuaj xyuas thiab kho.

5. Kev xaim xoob: Yog tias qhov chaw uas qhov chaw sib thooj tau teeb tsa vibrates ntev, qhov no yuav ua rau nws cov xaim xoob xoob, ua rau cov teeb liab tsis zoo los yog xoob xaim, uas cuam tshuam rau qhov tsis ua haujlwm ntawm qhov sib thooj hloov.

Cov teeb meem ib puag ncig: Feem ntau hais lus, kev tiv thaiv qib ntawm ntau lub npe txawv teb chaws, xws li Autonics 'qhov sib thooj keyboards, yog IP66 thiab siab dua. Txawm li cas los xij, rau inductive sib sib zog nqus keyboards, yog tias muaj plua plav tuab ntawm qhov chaw ntawm cov khoom kuaj pom, qhov no yuav ua rau muaj qhov tsis txaus ntseeg qhov tseeb thiab muaj kev cuam tshuam ntau dua rau cov lus teb ceev thiab rhiab heev ntawm qhov sib thooj hloov.

Inductive sib thooj sensors yuav ntsib qee qhov yuam kev thaum siv. Kev nkag siab txog cov laj thawj ntawm cov kev ua yuam kev no thiab cov kev daws teeb meem sib raug tuaj yeem pab daws cov teeb meem sai sai thiab ua kom muaj kev ua haujlwm zoo ntawm cov kab ntau lawm.

Cov hauv qab no yog qee qhov yuam kev thiab lawv txoj kev daws teeb meem:

Tsis muaj teeb liab tso zis

Yog vim li cas: teeb meem fais fab mov, xaim yuam kev, sensor puas los yog lub hom phiaj khoom tsis nyob rau hauv lub nrhiav kom tau ntau yam.

Txoj kev daws teeb meem:

Xyuas seb qhov hluav taws xob hluav taws xob puas ua tau raws li qhov yuav tsum tau ua thiab paub meej tias cov khoom siv hluav taws xob txuas nrog raug.

Xyuas seb cov hlua puas xoob los yog txiav tawm.

Paub meej tias lub hom phiaj yog nyob rau hauv qhov kev tshawb pom zoo ntawm lub sensor.

Yog tias qhov kev kuaj xyuas saum toj no yog qhov qub, lub sensor nws tus kheej yuav raug puas tsuaj thiab yuav tsum tau hloov lub sensor tshiab.

Tsis ruaj tsis khov tso zis teeb liab

Yog vim li cas: Ib puag ncig cuam tshuam (xws li electromagnetic cuam tshuam), kev txav tsis ruaj khov ntawm lub hom phiaj, kev teeb tsa tsis zoo lossis kev nkag siab ntau dhau.

Txoj kev daws teeb meem:

Xyuas seb puas muaj cov hluav taws xob muaj zog lossis lwm qhov chaw cuam tshuam nyob ib puag ncig, thiab siv kev tiv thaiv kev tiv thaiv.

Xyuas kom meej tias cov khoom raug ntsuas yog ruaj khov thiab ua kom qhov kev ncua deb ntawm lub sensor.

Xyuas seb lub sensor puas ruaj khov thiab kho kom haum rau lub kaum sab xis thiab txoj haujlwm.

Kho qhov chaw rhiab heev ntawm lub sensor kom hloov mus rau qhov chaw thov tam sim no.

False trigger

Yog vim li cas: sensor rhiab heev heev, ib puag ncig yam (xws li kub hloov), cuam tshuam los ntawm lwm yam hlau khoom nyob ze.

Txoj kev daws teeb meem:

Txo qhov teeb tsa rhiab heev ntawm lub sensor.

Tshawb xyuas thiab txhim kho qhov chaw ua haujlwm kom tsis txhob muaj qhov kub thiab txias ntau dhau.

Ntxuav cov khib nyiab hlau nyob ib ncig ntawm lub sensor kom paub tseeb tias tsis muaj cov khoom hlau tsis tsim nyog cuam tshuam rau kev tshawb nrhiav.

Lub sij hawm teb ntev dhau lawm

Yog vim li cas: sensor aging, internal Circuit Court teeb meem los yog tsis tsim nyog load txuam.

Txoj kev daws teeb meem:

Txheeb xyuas qhov ua haujlwm ntawm lub sensor. Yog hais tias qhov kev ua tau zoo degraded, koj yuav tau hloov lub sensor tshiab.

Paub meej tias lub load sib phim lub sensor tso zis, thiab ntxiv ib qho kev sib cais Circuit Court los yog siv intermediate relay yog tias tsim nyog.

Yog tias cov lus teb qeeb yog tshwm sim los ntawm qhov teeb meem thauj khoom, koj tuaj yeem xav txog kev ua kom zoo dua qhov kev teeb tsa load.

Shortened detection nrug

Yog vim li cas: sensor yog qias neeg, cov khoom ntawm lub hom phiaj tau hloov, los yog lub sensor muaj hnub nyoog.

Txoj kev daws teeb meem:

Ntxuav lub sensor nto kom tshem tawm impurities xws li plua plav thiab roj.

Txheeb xyuas seb cov khoom ntawm lub hom phiaj puas tau hloov pauv, thiab kho qhov ntsuas qhov ntsuas kom haum rau cov khoom tshiab.

Yog tias lub sensor tau siv ntev thiab muaj hnub nyoog, nws raug nquahu kom hloov nws nrog lub sensor tshiab.

Kev puas tsuaj ntau zaus

Ua rau: Mechanical shock, overload los yog hnyav ib puag ncig.

Kev daws teeb meem:

Re- soj ntsuam qhov chaw teeb tsa kom ntseeg tau tias lub sensor tsis raug rau cov neeg kho tshuab ncaj qha.

Tshawb xyuas cov kev sib txuas hluav taws xob kom paub tseeb tias tsis muaj kev cuam tshuam ntau dhau.

Txhim kho qhov chaw ua haujlwm, xws li ntxiv cov npog tiv thaiv lossis nce qib kev tiv thaiv.

Qhov tsis ua haujlwm ntawm inductive sib thooj sensors tuaj yeem txo qis heev los ntawm kev saib xyuas thiab siv kom raug. Yog tias koj ntsib ib qho teeb meem uas nyuaj rau kev daws, nws raug nquahu kom hu rau peb lub tuam txhab Garantta Sensor Lub tuam txhab kev pabcuam kev pabcuam. Tsis tas li ntawd, cov ntaub ntawv ntxaws ntxaws ntawm txhua qhov tsis ua haujlwm thiab cov txheej txheem ntawm kev tuav yuav pab tiv thaiv kom zoo dua thiab daws cov teeb meem zoo sib xws yav tom ntej.

Cov teeb meem uas tshwm sim thiab tsis ua tiav Phenomena

1. Qhov sib thooj sensor tsis tuaj yeem lees paub qhov kev ncua deb ntawm cov khoom kuaj pom.

2. Cov hloov pauv tau nruab rau hauv qhov ntsuas qhov deb, thiab qee zaum kuaj pom thiab qee zaum tsis pom (qee zaum nws tuaj yeem kuaj tau, qee zaum nws tsis tuaj yeem kuaj pom).

3. Qhov ntsuas qhov deb ntawm qhov tseeb yog qhov sib txawv ntawm tus qauv ntsuas qhov deb uas qhia los ntawm lub sensor. (Lossis tsawg dua qhov kev kuaj pom qhov deb, lossis ntau dua qhov ntsuas qhov deb).

4. Qhov taw qhia lub teeb muaj lub teeb liab tam sim, tab sis tsis muaj teeb liab tawm; los yog lub teeb qhia lub teeb yog ib txwm nyob tsis muaj teeb liab hloov; los yog lub teeb liab yuav flashing, thiab lwm yam.

5. Tsis muaj cov lus teb tom qab lub hwj chim qhib, lossis tsis muaj cov lus qhia tawm tswv yim.

6. Ntau lub sensors tuaj yeem txuas rau tib lub sijhawm, thiab lwm yam (Lub cuab yeej tuaj yeem paub qhov txawv ntawm cov lus tawm tswv yim ntawm cov sensors sib txawv, yog li ntau lub sensors tuaj yeem txuas rau tib lub sijhawm).

Yuav daws teeb meem ntau yam hauv daim ntawv thov tiag tiag li cas?

Koj yuav tsum nkag siab tias hom hloov pauv koj yuav yog dab tsi, nws cov khoom tshwj xeeb thiab cov qauv siv yooj yim, kev teeb tsa, kev ceev faj, thiab lwm yam. Cov ntaub ntawv hais txog inductor sib thooj hloov sensor tsim los ntawm peb lub tuam txhab yog raws li hauv qab no.

1. Kev tshuaj xyuas txoj kev ntawm inductive sib thooj hloov

Inductive sib thooj hloov yog qhov hloov pauv tsis sib cuag (xws li hloov hom sensor), uas feem ntau yog siv rau hauv cov cuab yeej siv tshuab tsis siv neeg tswj nrog qhov tseeb qhov chaw siab, lub neej ua haujlwm ntev, kev teb ceev ceev thiab yooj yim installation. Nws yog tsuas yog siv rau kev txwv, pib dua, stroke positioning, suav, tsis siv neeg tiv thaiv, thiab hloov micro hloov. Cov khoom yuav raug kuaj pom los ntawm qhov sib thooj ntawm qhov sib txawv ntawm qhov sib txawv ntawm qhov ntsuas qhov ntsuas yuav tsum yog cov khoom siv hlau. Rau cov khoom tsis yog-hlau, qhov sib txuas sib txuas ntawm inductive yuav tsis ua haujlwm. Nws muaj cov yam ntxwv ntawm waterproof, shockproof, roj- pov thawj, plua plav pov thawj, corrosion-resistant, thiab lwm yam, thiab muaj zog siv tau rau cov cheeb tsam hnyav.

2. Tso zis teeb liab ntawm inductive sib thooj sensor hloov

Qhov sib thooj hloov pauv yog ib lo lus dav dav rau cov sensors tsis sib cuag, thiab nws hom muaj xws li: inductive, capacitive, thiab Hall. Lub teeb liab tso zis ntawm inductive sib thooj hloov tau piav qhia lub sijhawm no yog qhov tseem ceeb: qhov hloov pauv kom muaj nuj nqis ntawm qhov qhib lossis kaw (uas yog, yog tias muaj cov khoom siv hlau ntawm txhua txoj haujlwm nyob rau hauv qhov siab tshaj plaws tau pom los ntawm qhov sib thooj hloov pauv lub taub hau mus rau cov khoom, lub teeb liab hloov pauv yuav raug muab. Thaum cov khoom tsis nyob hauv qhov ntsuas qhov deb, lub sensor hloov teeb liab yog qhov txawv ntawm qhov kev txiav txim).