NTC imayimira "Negative Temperature Coefficient".NTC thermistors ndi resistors ndi kutentha kokwanira koyipa, zomwe zikutanthauza kuti kukana kumachepa ndi kutentha kowonjezereka.Amapangidwa ndi manganese, cobalt, faifi tambala, mkuwa ndi oxides ena zitsulo monga zipangizo zazikulu ndi ndondomeko ceramic.Zida zachitsulo za oxidezi zimakhala ndi semiconducting properties chifukwa ndizofanana kwambiri ndi zipangizo zopangira semiconducting monga germanium ndi silicon poyendetsa magetsi.Zotsatirazi ndikuyambitsa njira yogwiritsira ntchito ndi cholinga cha NTC thermistor mu dera.
Pamene chotenthetsera cha NTC chimagwiritsidwa ntchito pozindikira kutentha, kuyang'anira kapena kubweza, nthawi zambiri ndikofunikira kulumikiza chopinga pamndandanda.Kusankhidwa kwa mtengo wotsutsa kungatsimikizidwe molingana ndi dera la kutentha lomwe liyenera kudziwika komanso kuchuluka kwa zomwe zikuyenda.Nthawi zambiri, chopinga chomwe chili ndi mtengo wofanana ndi kutentha kwanthawi zonse kwa NTC chidzalumikizidwa mndandanda, ndipo zomwe zikudutsa pano zimatsimikizika kuti ndizochepa kuti zipewe kudziwotcha komanso kukhudza kuzindikira kolondola. magetsi pa NTC thermistor.Ngati mukufuna kukhala ndi mzere wokhotakhota pakati pa voteji pang'ono ndi kutentha, mutha kugwiritsa ntchito gawo ili:
Kugwiritsa ntchito NTC thermistor
Malinga ndi chikhalidwe cha coefficient negative wa NTC thermistor, chimagwiritsidwa ntchito muzochitika zotsatirazi:
1. Kutentha kwa kutentha kwa transistors, ICs, crystal oscillators kwa zipangizo zoyankhulirana zam'manja.
2. Kuwona Kutentha kwa Mabatire Otha Kuchatsidwanso.
3. Kulipiridwa kwa Kutentha kwa LCD.
4. Kulipiridwa kwa kutentha ndi kumva kwa zida zomvera zamagalimoto (CD, MD, chochunira).
5. Malipiro a kutentha kwa maulendo osiyanasiyana.
6. Kuponderezedwa kwa inrush panopa pakusintha magetsi ndi magetsi.
Kusamala pakugwiritsa ntchito NTC thermistor
1. Samalani kutentha kwa ntchito ya NTC thermistor.
Musagwiritse ntchito thermistor ya NTC kunja kwa kutentha kwa ntchito.Kutentha kwa ntchito kwa mndandanda wa φ5, φ7, φ9, ndi φ11 ndi -40~+150℃;kutentha kwa ntchito kwa mndandanda wa φ13, φ15, ndi φ20 ndi -40~+200℃.
2. Chonde dziwani kuti ma thermitors a NTC ayenera kugwiritsidwa ntchito pansi pa mphamvu zovotera.
Mphamvu yapamwamba yachidziwitso chilichonse ndi: φ5-0.7W, φ7-1.2W, φ9-1.9W, φ11-2.3W, φ13-3W, φ15-3.5W, φ20-4W
3. Njira zodzitetezera kuti zigwiritsidwe ntchito potentha kwambiri komanso m'malo achinyezi.
Ngati chotenthetsera cha NTC chiyenera kugwiritsidwa ntchito potentha kwambiri komanso chinyezi chambiri, thermistor yamtundu wa sheath iyenera kugwiritsidwa ntchito ndipo gawo lotsekedwa la sheath yoteteza liyenera kuwululidwa ku chilengedwe (madzi, chinyezi), ndi gawo lotsegulira la sheath. sichidzakhudzana mwachindunji ndi madzi ndi nthunzi.
4. Sangagwiritsidwe ntchito mu mpweya woipa, chilengedwe chamadzimadzi.
Osaigwiritsa ntchito pamalo owononga mpweya kapena pamalo pomwe imakumana ndi ma electrolyte, madzi amchere, ma asidi, alkalis, ndi zosungunulira organic.
5. Tetezani mawaya.
Osatambasula ndi kupinda mawaya ndipo musagwiritse ntchito kugwedezeka kwakukulu, kugwedezeka ndi kupanikizika.
6. Khalani kutali ndi zipangizo zamagetsi zopangira kutentha.
Pewani kukhazikitsa zida zamagetsi zomwe zimatha kutentha mozungulira mphamvu ya NTC thermistor, Ndi bwino kugwiritsa ntchito mankhwala okhala ndi mayendedwe apamwamba kumtunda kwa phazi lopindika, ndikugwiritsa ntchito thermistor ya NTC kuti ikhale yapamwamba kuposa zigawo zina pa bolodi lozungulira kuti musatenthedwe. zimakhudza ntchito yachibadwa ya zigawo zina.
Nthawi yotumiza: Jul-28-2022