Menene matakan kariya don ƙira da shigar da na'urori masu auna zafin jiki na NTC da ake amfani da su a cikin na'urorin sanyaya iska?

I. Abubuwan Zane da Zaɓuɓɓuka

1. Daidaita Rage Zazzabi
   • Tabbatar cewa kewayon zafin aiki na NTC yana rufe yanayin tsarin AC (misali, -20°C zuwa 80°C) don gujewa jajircewar aiki ko lalacewa daga wuce iyaka.
2. Daidaito da Ƙaddamarwa
   • Zaɓi madaidaicin firikwensin (misali, ± 0.5°C ko mafi kyau) don haɓaka ƙwarewar sarrafa zafin jiki. Ya kamata ƙuduri ya dace da buƙatun tsarin (misali, 0.1°C).
3. Inganta Lokacin Amsa
   • Ba da fifikon na'urori masu auna firikwensin tare da ƙarancin lokacin zafi (misali, τ ≤10 seconds) don ba da damar amsa da sauri da kuma hana hawan keken kwampreso.
4. Marufi da Dorewa
   • Yi amfani da resin epoxy ko gilashin lulluɓe don tsayayya da zafi, gurɓataccen ruwa, da lalata sinadarai. Naúrar naúrar waje yakamata su dace da ƙimar IP67.

II. Matsayin Shigarwa da Tsarin Injini

1. Zaɓin Wuri
   • Kulawar Evaporator/Condenser:Haɗa kai tsaye zuwa saman murɗa, guje wa kwararar iska kai tsaye (misali> 5 cm daga hurumi).
   • Dawo da Zazzabin Iska:Shigar a tsakiyar bututun dawowa, nesa da tushen dumama/ sanyaya.
2. Haɗin Haɗin Ruwa
   • Amintattun na'urori masu auna firikwensin tare da mai mai zafi ko manne karfe don rage juriyar zafi tsakanin firikwensin da saman manufa.
3. Rage Katsalandan Jirgin Sama
   • Ƙara garkuwar iska ko amfani da bincike tare da garkuwa don rage tasirin saurin iska (mahimmanci ga tsarin sanyaya iska).

III. Ka'idojin Zane-zane na kewaye

1. Ma'aunin Rarraba Wutar Lantarki
   • Match resistors ja-up zuwa juriya na NTC (misali, 10kΩ a 25°C) don tabbatar da ƙarfin shigar da ADC ya faɗi cikin kewayon inganci (misali, 1V–3V).
2. Linearization
   • Aiwatar da ma'auni na Steinhart-Hart ko allunan bincike na yanki don rama rashin daidaituwa da haɓaka daidaito.
3. Kariyar Amo
   • Yi amfani da igiyoyin murɗaɗɗen-biyu/masu garkuwa, hanya nesa da maɓuɓɓugan hayaniya (misali, compressors), kuma ƙara matattarar ƙarancin wucewa ta RC (misali, 10kΩ + 0.1μF).

   
IV. Daidaitawar Muhalli

1. Kariyar Danshi
   • Rufe na'urori masu auna firikwensin waje tare da mahaɗan tukwane kuma yi amfani da masu haɗin ruwa mai hana ruwa (misali, matosai na jirgin sama M12).
2. Resistance Vibration
   • Amintattun na'urori masu auna firikwensin tare da sassauƙan filaye (misali, pads silicone) don hana al'amuran lamba daga girgizar kwampreso.
3. Rigakafin kura
   • Tsaftace na'urori masu auna firikwensin akai-akai ko amfani da murfin kariya mai cirewa (misali, ragar ƙarfe).

V. Gyarawa da Kulawa

1. Matsakaicin Mahimmanci
   • Daidaita yanayin zafi mai mahimmanci (misali, 0°C cakuda ruwan kankara, ɗakin zafi 25°C, wanka mai 50°C) don magance bambance-bambancen tsari.
2. Duban Zaman Lafiya na Tsawon Lokaci
   • Yi gyare-gyaren filin kowane shekara 2 don tabbatar da tuƙi (misali, tuƙi na shekara-shekara ≤0.1°C).
3. Binciken Laifi
   • Aiwatar gano buɗe/gajeren kewayawa da jawo faɗakarwa (misali, lambar kuskure E1) don rashin daidaituwa.

VI. Tsaro da Biyayya

1. Takaddun shaida
   • Tabbatar da bin ka'idodin UL, CE, da RoHS don aminci da buƙatun muhalli.
2. Gwajin Insulation
   • Tabbatar da rufin kebul yana jure wa 1500V AC na minti 1 don hana haɗarin lalacewa.

Matsalolin gama gari da Mafita

• Batu:Jinkirin amsawar firikwensin yana haifar da hawan kwampreso.
  Magani:Yi amfani da ƙananan bincike (ƙananan τ) ko haɓaka algorithms sarrafa PID.
• Batu:gazawar lamba ta haifar da natsuwa.
  Magani:Mayar da na'urori masu auna firikwensin nesa da wuraren da ke da ruwa ko amfani da suturar hydrophobic.

Ta hanyar magance waɗannan abubuwan, na'urori masu auna firikwensin NTC na iya tabbatar da ingantaccen aiki a cikin tsarin AC, haɓaka ƙarfin kuzari (EER) da haɓaka tsawon kayan aiki.