Yini i-thermostat?
Abalawuli lokushisa banamagama ahlukahlukene, njengokushintshwa kokulawulwa kokushisa, abavikeli bokushisa kanye nabalawuli bokushisa. Ngokusho komgomo osebenzayo, ingahlukaniswa i-Jumpy Thry Thermostat, uhlobo lohlobo lwe-thermostat, ingcindezi yohlobo lwe-thermostat kanye ne-elermostat yohlobo lwe-elermostat. Emishini yanamuhla yokulawula izimboni, i-Thermostat yedijithali iyihlobo elisetshenziswa kakhulu. Ngokusho kwalesi sakhiwo, isilawuli sokushisa singahlukaniswa sibe yisilawuli sokushisa esihlanganisiwe kanye nesilawuli sokushisa samazinga.
Ayini ama-thermometer?
Umzimba wokulinganisa lokushisa uyingxenye eguqula isinali yokushisa ibe isibonakaliso sikagesi, futhi imvamisa ifakwe engxenyeni yokutholwa yento elawulwa ukuqapha inani lokushisa layo. Emkhakheni wokulawulwa kwezimboni, ama-thermometer asetshenziswa kakhulu afaka ama-thermocoumples, ukumelana nama-thermitors, ama-thermitors kanye nezinzwa ezingaxhumana naye. Phakathi kwazo, ezintathu zokuqala zithinta ama-thermometer.
1. I-thermocouple
Umgomo wokulinganisa lokushisa kwe-thermocouples kususelwa emphumeleni we-Seebeck (Thermoelectric Effect). Lapho izinsimbi ezimbili zezinto zokwakha ezahlukene (imvamisa ziqhuba noma ama-semiconductors, njengePlatin-Rhodium-Rhodium-nickel-silico kanye nezinye izinto ezibhangqiwe ezinhlangothini zazo zokuxhuma bese zisebenza phakathi kwezinsimbi ezimbili. I-loop enjalo ibizwa nge- "thermocouple," Ngenkathi lezi zinsimbi ezimbili zibizwa ngokuthi "i-electrol ye-elecrmotive," futhi amandla we-elermoelectric aphumela abizwa ngokuthi yi- "thermoelectric monseive Force." I-Thermocoumpules ibonakala ngobubanzi bawo bokulinganisa bokulinganisa, impendulo eshisayo eshisayo, kanye nokumelana okunamandla okunamandla.
2. Ukumelana nokushisa
Ukumelana ne-Thermal kuyingxenye eguqula isinali yokushisa ibe isibonakaliso sikagesi, futhi umthetho wawo wokusebenza usekelwe ikakhulu kwizici zokushintshwa kwensimbi okunamazinga okushisa. Ngokukhethekile, ukumelana okushisayo basebenzise le mpahla yensimbi ukukala izinga lokushisa.
Ekulawulweni kwezimboni, izinhlobo ezisetshenziswa kakhulu zokumelana okushisayo kufaka iplatinamu, ithusi ne-nickel. Phakathi kwazo, ukumelana kweplatinamu kuyinto evame kakhulu. Ukumelana okushisayo kunezimpawu zokulinganisa okuhle kwezinga lokushisa, ukusebenza okuzinzile nokunemba okuphezulu emkhakheni wokushisa okujwayelekile. Ngakho-ke, endaweni yesicelo sokushisa okulinganiselayo, akukho okudlidliza nezidingo eziphezulu eziphezulu, ukusetshenziswa kweplatinamu yokumelana kuvame ukuthandwa.
3. Thermistor
I-thermistor iyingxenye eguqula isinali yokushisa ibe yisiginali kagesi, futhi umthetho wawo wokusebenza usekelwe ikakhulu kwisici sokuphikiswa kuka-semiconductor ukushintsha ngokushisa. Ngokukhethekile, abambermistors basebenzisa le mpahla ye-semiconductors ukukala lokushisa. Uma kuqhathaniswa nokumelana okushisayo, ukumelana kwe-thermistor kushintsha kakhulu ngoshintsho lokushisa, ngakho-ke uhla lokulinganisa lokushisa luncane (-50 ~ 350 ℃).
Ama-thermitors ahlukaniswe ama-NTC Thermitors nama-PTC ama-Thermitors. Ama-Thermitors aphezulu we-NTC anokulinganiselwa okungemuhle lokushisa, futhi inani labo lokumelana liyancipha njengoba izinga lokushisa likhuphuka. I-PTC Thermistor ine-coeffient efanelekile yokushisa, futhi inani layo lokumelana lizonyuka ngokwanda kokushisa. Ngenxa yezimpawu zokushisa zayo ezihlukile zokumelana, i-thermistor inezinhlobonhlobo zezicelo ekutholweni kokushisa, ukulawulwa okuzenzakalelayo, amadivaysi e-elekthronikhi nezinye izinkambu.
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