Tambaya: Ta yaya za mu iya hana na'urar firikwensin hoto mai yaduwa daga gano abubuwan baya na karya a waje da kewayon ji?
A: A matsayin mataki na farko, ya kamata mu tabbatar da ko bayanan da aka gano ta karya yana da "babban haske mai haskakawa" dukiya.
Babban haske mai haske abubuwa na baya na iya tsoma baki tare da aiki na firikwensin hoto mai yaduwa. Suna haifar da tunani na ƙarya, yana haifar da karatun firikwensin da ba daidai ba. Bugu da ƙari, babban haske mai haske na iya kuma iya tsoma baki tare da duk abin da ke yaduwa da na'urori masu auna firikwensin hoto zuwa wani matsayi.
PSE-PM1-V Polarized Tunani Hoton firikwensin
Nisa a hankali: 1m (ba a daidaita shi ba)
Yanayin fitarwa: NPN/PNP NO/NC
Madogarar haske: VCSEL tushen haske
Girman tabo: kusan 3mm @ 50cm
PSE-YC-V Bayanin baya na danniya Photoelectric firikwensin
Nisa a hankali: 15cm (daidaitacce)
Yanayin fitarwa: NPN/PNP NO/NC
Madogarar haske: VCSEL tushen haske
Girman tabo: <3mm @ 15cm
Q: Ƙayyade mita da zaɓin firikwensin dangane da saurin juyawa
A: Ana iya ƙididdige yawan mitar ta amfani da dabara mai zuwa: f(mita) Hz = RPM / 60s * adadin hakora.
•Zaɓin firikwensin ya kamata yayi la'akari da mitar da aka ƙididdigewa da farar haƙorin kayan aiki.
Jadawalin Magana Mita-Lokaci
| Yawanci | Zagayowar (lokacin amsawa) |
| 1 Hz | 1S |
| 1000Hz | 1ms |
| 500Hz | 2ms ku |
| 100Hz | 10ms |
Mitar Suna:
Domin inductive da capacitive na'urori masu auna firikwensin, yakamata a sanya kayan aikin da aka yi niyya a 1/2Sn (tabbatar da cewa nisa tsakanin kowane hakori shine ≤ 1/2Sn). Yi amfani da na'urar gwajin mitar don gwadawa da yin rikodin ƙimar mitar zagayowar 1 ta amfani da oscilloscope (don daidaito, rikodin mitar zagayowar 5 sannan ƙididdige matsakaici). Ya kamata ya dace da buƙatun 1.17 (idan nisan aiki mara izini (Sa) na kusancin kusanci bai wuce 10mm ba, mai juyawa yakamata ya kasance yana da aƙalla maƙasudi 10; idan nisan aiki na ƙima ya fi 10mm, turntable yakamata ya sami aƙalla maƙasudai 6).
M12/M18/M30 Mitar inductive firikwensin
Nisa a hankali: 2mm, 4mm, 5mm, 8mm
Mitar canzawa [F]: 1500Hz, 2000Hz, 4000Hz, 3000Hz
10-30VDC NPN/PNP NO/NC
Digiri na kariya IP67 (IEC).
Mitar har zuwa 25KHz.
Dogon rayuwa da babban abin dogaro.
Nisa a hankali 2mm
M18 karfe Silindrical nau'in, NPN/PNP fitarwa
Nisan ganowa: 2mm
Digiri na kariya IP67 (IEC)
, Mitar har zuwa 25KHz
Tambaya: Lokacin da aka yi amfani da firikwensin matakin bututun don gano matakin ruwa a cikin bututun, ji ba shi da kwanciyar hankali. Me zan yi?
A: Na farko, duba idan akwai alakabin manne mai rabin gefea kan tiyo. Idan kawai rabin tiyo ne aka lakafta, zai haifar da bambanci a cikin dielectric akai-akai, yana haifar da rashin kwanciyar hankali yayin da bututun ke juyawa.
Dielectric Constant:
Dielectric akai-akai yana nuna ikon dangi na kayan aikin dielectric don adana makamashin lantarki a cikin filin lantarki. Don kayan aikin dielectric, ƙananan ƙarancin dielectric dangi, mafi kyawun rufi.
Misali:Ruwa yana da dielectric akai-akai na 80, yayin da robobi yawanci suna da dielectric akai tsakanin 3 zuwa 5. Dielectric akai-akai yana nuna polarization na abu a filin lantarki. Madaidaicin dielectric mafi girma yana nuna amsa mai ƙarfi ga filin lantarki.
Nisa a hankali: 6mm
Za a iya gano ƙarfe da abubuwa waɗanda ba ƙarfe ba, waɗanda aka fi amfani da su.
Mitar amsa har zuwa 100Hz.
Saurin daidaita hankali da sauri tare da potentiometer mai juyawa da yawa.
Tambaya: Yadda za a zaɓi na'urori masu auna firikwensin don gano ƙwayar abinci a cikin masana'antar dabbobi?
A: Kasancewar rata tsakanin ɓangarorin mutum a cikin abinci na granular yana rage tasiri mai tasiri tare da saman ji, yana haifar da ƙananan kaddarorin dielectric idan aka kwatanta da abinci mai foda.
Lura:Kula da abun ciki na danshi na abinci yayin aikin firikwensin. Yawan danshi a cikin abinci na iya haifar da mannewa na dogon lokaci zuwa saman firikwensin, yana haifar da firikwensin ya kasance a koyaushe a cikin yanayi.
Nisa a hankali: 15mm (daidaitacce)
Girman gidaje: φ32*80 mm
Waya: AC 20…250 VAC fitarwa
Kayan gida: PBT
Haɗi: 2m PVC Cable
Nisa a hankali: 15mm, 25mm
Hawan hawa: Flush/ Mara ruwa
Girman gidaje: diamita 30mm
Kayan gida: Nickel-Copper Alloy / Plastic PBT
Fitarwa: NPN, PNP, DC 3/4 wayoyi
Alamar fitarwa: Yellow LED
Connection: 2m PVC Cable / M12 4-pin connector
Lokacin aikawa: Dec-02-2024