Cov Hauv Paus ntawm Cov Tam Sim No Tam Sim No

Cov tam sim no sensors yog ob qho tib si qhib- lossis kaw-lub voj. Qhib lub voj hluav taws xob tam sim no ntsuas AC thiab DC tam sim no thiab muab hluav taws xob sib cais nruab nrab ntawm lub Circuit Court raug ntsuas thiab cov khoom tawm ntawm lub sensor (qhov hluav taws xob thawj yog ntsuas tsis muaj hluav taws xob sib txuas nrog cov xov hluav taws xob thawj, muab kev sib cais galvanic). Tsis tshua muaj nqi dua li cov kwv tij sib txuas, qhib lub voj hluav taws xob tam sim no feem ntau nyiam hauv cov roj teeb hluav taws xob muab rau lawv cov kev siv hluav taws xob qis thiab cov yam ntxwv me me.

Kaw lub voj hluav taws xob ntsuas ntsuas AC thiab DC hluav taws xob thiab muab hluav taws xob cais. Lawv muab cov lus teb ceev ceev, cov kab siab, thiab tsis kub tsis txias. Cov khoom tawm tam sim no ntawm lub kaw lub voj hluav taws xob yog qhov tiv thaiv hluav taws xob tsis zoo. Lub kaw-Loop sensor qee zaum hu ua 'Zero-Flux' sensor vim nws lub Hall-Effect sensor pub rov qab qhov tawm tsam tam sim no mus rau hauv lub kauj vuam sib txuas, qhov txhab ntawm lub sib nqus cov tub ntxhais kom xoom flux tsim nyob rau hauv cov hlau nplaum tseem ceeb los ntawm tus thawj tam sim no. Kaw lub voj sensors feem ntau yog lub sensor ntawm kev xaiv thaum cov neeg siab yog qhov tseem ceeb.

Cia peb tam sim no saib ze dua rau ob hom, pib nrog qhib lub voj sensors.

Qhib lub voj hluav taws xob tam sim no muaj xws li Hall sensor mounted hauv huab cua qhov sib txawv ntawm ib qho tseem ceeb sib nqus (Daim duab 1). Tus neeg xyuas pib tsim cov khoom sib nqus sib piv rau cov roj tam sim no. Lub sib nqus cov ntsiab lus yog nqus los ntawm cov tub ntxhais thiab ntsuas los ntawm Hall sensor. Qhov teeb liab los ntawm Hall hluav taws xob tsawg tsawg, yog li nws tau ua kom nrov dua, thiab nws yog qhov ua kom nrov loj no uas dhau los ua qhov teeb meem sensor. Lub voj qhib hluav taws xob feem ntau muaj cov khoom hluav taws xob uas muab qhov ntsuas kub thiab ntsuas qhov ntsuas hluav taws xob ntau. Thaum lawv muaj cov nqe lus zoo dua li cov kev sib tw kaw lub voj, lawv qhov poob qis yog tias lawv tuaj yeem cuam tshuam rau qhov kev kub ntxhov thiab qhov kub thiab txias. Qhov drift tuaj yeem raug txo kom tsawg rau qee yam, txawm li cas los xij, los ntawm kev txhaj cov coefficient zoo hauv qhov kev tswj hwm tam sim no los txo cov drift hauv qhov rhiab heev dhau qhov kub.

Daim duab 1: Daim duab qhia txog lub hauv paus ntsiab lus thiab tus qauv ntawm Hall-Effect qhib lub voj kev tam sim no. (Losntawm kev ntab muv).

Saib ntawm Daim Duab 1, yog hais tias tus tsav tam sim no nyob rau hauv kev qhib lub voj kev tswj hwm yog siv qhov tam sim no qhov hluav taws xob thiab qhov hluav taws xob Hall hluav taws xob tau txawv, qhov tso tawm hluav taws xob feem ntau rau thawj qhov tam sim no tsuas yog tuaj yeem tau txais los ntawm hluav taws xob Circuit Court.

Ib qho piv txwv yog HMS Series Qhib Loop Hall-Effect deg Mount tam sim no Transducer los ntawm LEM (Daim duab 2). Lub sensor nta galvanic kev sib cais ntawm lub xov hluav taws xob theem pib thiab theem nrab; 4300 V cais ntsuas voltage; kev siv hluav taws xob tsawg; 12 hli, tsis tshua muaj neeg ntuag-nyob rau hauv qis; ib qho kev muab fais fab nkaus xwb +5 V; thiab tsau offset thiab nce.

Daim duab 2: HMS Series Qhib Voj Hall-Npaum Hloov Cov Pauv Hloov. (Losntawm LEM).

Feem ntau siv hauv kev thov siv rau AC cov hloov pauv hloov ceev, hloov hluav taws xob zoo li qub rau DC lub cev muaj zog, lub roj teeb kev siv, tsis cuam tshuam thiab hloov hom kev siv fais fab, thiab cov khoom siv fais fab rau vuam siv.

Lwm qhov piv txwv yog Honeywell's CSLW Series Miniature Wired Qhib-Voj Tam Sim No (Daim Duab 3). Cov koob sib xyaw ua ke ib qho SS490series ntawm cov kev ntsuas me me ntawm qhov nruab nrab, cov kab sib xws Hall-effect sensors, thiab cov ntsiab lus tso cia yog qhov pom nyob rau hauv PCB-mountable pob yas. Lub rooj sib txoos sensor tam sim no yog suav nrog lub sensor, flux collector, vaj tsev nyob, thiab xaim xov.

Daim Duab 3: Honeywell CSLW Series Miniature Wired Qhib-Voj Tam Sim No. (Losntawm kev ntab muv).

Hauv qhov no, lub wired, qhib lub voj tsim muaj ntau lub lem rau cov neeg muaj zog ntau dua. Lwm cov cim tseem ceeb muaj xws li AC lossis DC tam sim no tso tawm, tso tawm cov pa tawm ntawm qhov tso zis, tso tawm tam sim no los yog tso zis rau kev cuam tshuam yooj yim, tsis muaj qhov tsis txaus, lub sij hawm teb ceev ceev, kev cog lus me me, thiab qhov tseeb, raug nyiaj tsawg. Cov ntawv thov muaj xws li neeg hlau, kev tsav tsheb sib txawv, kev tswj kev lag luam, kev tswj lub cev muaj zog hauv cov cuab yeej siv, HVAC, tiv thaiv tshaj dhau thiab tiv thaiv hluav taws xob hluav taws xob tam sim no.

Cov lus teb tau sai thiab muaj qhov raug

Hauv kev sib piv rau qhib-lub voj, kaw lub voj kab hluav taws xob ntsuas ntsuas AC thiab DC tam sim no thiab muab cov hluav taws xob cais, cov lus teb ceev ceev, cov kab siab, thiab tsis kub tsis txaus. Lawv cov zis tam sim no yog qhov zoo tshaj tiv thaiv hluav taws xob. Paub txog qhov raug siab, lawv muaj cov cuab yeej hluav taws xob Hall nyob rau hauv cov huab cua sib txawv ntawm cov tub ntxhais sib nqus, lub tsho khawm nyob ib ncig ntawm cov tub ntxhais, thiab qhov tam sim no amplifier. Tus nqaj nqa tam sim no tso rau ntawm lub ntsuas qhov ntsuas ntawm lub ntsuas hluav taws xob ua rau lub sib nqus sib nqus uas sib luag rau cov dej tam sim no. Daim teb no yog suav nrog cov tub ntxhais thiab hnov los ntawm Lub Tsev Siv Hluav Taws Xob. Lub tshuab hluav taws xob tiv thaiv txuas nrog txuas ntawm lub zog tam sim no, uas tsav lub coil. Qhov tam sim no los ntawm coil tsim tawm rau qhov chaw tawm tsam, muab los ntawm qhov tam sim no los ntawm aperture.

Kev tawm ntawm lub ntsuas hluav taws xob no yog sib npaug ntawm ob qho tam sim no aperture thiab tus naj npawb ntawm lem ntawm lub kauj. Yog hais tias lub net thawj qhov tam sim no los ntawm qhov hloov tam sim no aperture yog kuv, tus naj npawb ntawm lem hauv qhov kev them nyiaj winding yog N, thiab qhov tam sim no hauv kev them nyiaj winding yog kuv, tom qab ntawm lub xoom flux mob I = Ni.

Cov khoom tawm tam sim no ntawm lub kaw qhov ntsuas hluav taws xob hloov pauv mus rau qhov ntsuas hluav taws xob los ntawm kev sib txuas ntawm lub ntsuas tiv thaiv rau qhov tawm ntawm lub sensor thiab hauv av. Resistor tus nqi xaiv tuaj yeem ua rau scaling ntawm cov zis.

Ib qho piv txwv ntawm kev hloov khoom siv tam sim no nrog qhov raug qhov tseeb, qhov tseeb ntawm qhov teeb meem, thiab lub teeb kub uas tsis kub heev yog LTS 25-NP los ntawm LEM (Daim duab.4). Cov cuab yeej yog lub voj voos raug kaw (them nyiaj) ntau cov khoom siv hluav taws xob hloov tam sim no uas siv Hall nyhuv. Nta tseem ceeb xws li:

Supply Unipolar voltage xa khoom

Case Raug rho tawm cov ntaub ntawv yas raws li UL 94-V0

Compact tsim rau PCB mounting

· Incorporated ntsuas ua hauj

Tend Kev ntsuas qhov ntsuas qhov dav.

Daim Duab 4: Tus LEM LTS 25-NP Kaw-voj Khawm Tam Sim No. (Losntawm LEM).

Cov ntawv thov rau cov cuab yeej yog feem ntau hauv cov chaw lag luam thiab suav nrog AC hloov tsheb sib txawv thiab servo lub cev muaj zog, hloov khoom siv hluav taws xob rau DC lub zog tsav, roj teeb muab kev siv, cov khoom siv fais fab tsis cuam tshuam, hloov hom khoom siv fais fab, thiab cov khoom siv fais fab rau vuam siv.

Ntsiab lus

Thaum ob qho ntawm cov pa roj carbon monoxide yuav muaj kev lag luam nyob ntawm daim ntawv thov yuav tsum tau siv, qhib lub voj sensors muab qhov zoo tshaj tus nqi zoo hauv cov siab tam sim no (ntau tshaj 100 A). Lawv kuj tseem yog qhov loj me me thiab qhov hnyav. Lawv tswj cov hluav taws xob tas li, tsis muaj teeb meem tam sim no. Tus nqi kom zoo dua ntawm qhib sensors yuav tsuas pom tau hais rau cov ntawv thov uas qhov txawv hloov kub yuav tau txwv.

Kaw-voj tam sim no cov sensors, ntawm qhov tod tes, yog qhov zoo dua rau kev ua lag luam thiab kev siv, qhov chaw lawv pom muaj ntau. Cov paib no muaj qhov raug qhov siab tshaj plaws ntawm qhov chaw siab thiab siab kub. Lawv yog cov zoo tagnrho rau cov chaw ib puag ncig thiab lawv cov zis hloov tau yooj yim rau voltage.

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