Aikace-aikacen na'urorin sanyaya na Thermoelectric
Tushen samfurin sanyaya thermoelectric shine tsarin sanyaya thermoelectric. Dangane da halaye, rauni da kuma kewayon aikace-aikacen tarin thermoelectric, ya kamata a tantance waɗannan matsaloli yayin zaɓar tarin:
1. Ka tantance yanayin aikin abubuwan sanyaya na thermoelectric. Dangane da alkibla da girman wutar lantarki, za ka iya tantance aikin sanyaya, dumama da kuma yanayin zafin da ke cikin reactor, kodayake mafi yawan amfani da shi shine hanyar sanyaya, amma bai kamata ya yi watsi da dumama da aikin zafin da ke cikinsa ba.
2, A tantance ainihin zafin zafin ƙarshen zafi lokacin sanyaya. Domin na'urar sanyaya zafi na'urar bambanta zafin jiki ce, don cimma mafi kyawun tasirin sanyaya, dole ne a sanya na'urar sanyaya zafi a kan mai kyau radiator, bisa ga yanayin watsa zafi mai kyau ko mara kyau, a tantance ainihin zafin ƙarshen zafi na na'urar sanyaya zafi lokacin sanyaya, ya kamata a lura cewa saboda tasirin canjin zafin jiki, ainihin zafin ƙarshen zafi na na'urar koyaushe ya fi zafin saman na'urar sanyaya zafi, yawanci ƙasa da 'yan goma na digiri, fiye da 'yan digiri, digiri goma. Hakazalika, baya ga canjin zafin zafi a ƙarshen zafi, akwai kuma canjin zafin jiki tsakanin sararin sanyaya da ƙarshen sanyi na na'urar sanyaya.
3, Ƙayyade yanayin aiki da yanayin reactor. Wannan ya haɗa da ko kayan aikin TEC, kayan aikin sanyaya thermoelectric za su yi aiki a cikin injin ko a cikin yanayi na yau da kullun, busasshen nitrogen, iska mai tsayawa ko mai motsi da zafin jiki na yanayi, daga inda ake la'akari da matakan kariya na zafi (adiabatic) kuma ana tantance tasirin zubar zafi.
4. Kayyade abin aiki na abubuwan thermoelectric da girman nauyin zafi. Baya ga tasirin zafin ƙarshen zafi, mafi ƙarancin zafin jiki ko bambancin zafin jiki da abubuwan TEC N,P za su iya cimmawa ana ƙayyade su ne a ƙarƙashin yanayi biyu na rashin kaya da adiabatic, a zahiri, abubuwan N,P da ba za su iya zama adiabatic ba da gaske, amma kuma dole ne su kasance suna da nauyin zafi, in ba haka ba ba shi da ma'ana.
5. Kayyade matakin na'urar thermoelectric module, TEC module (peltier elements). Zaɓin jerin reactor dole ne ya cika buƙatun ainihin bambancin zafin jiki, wato, bambancin zafin jiki na reactor dole ne ya fi ainihin bambancin zafin jiki da ake buƙata, in ba haka ba ba zai iya cika buƙatun ba, amma jerin ba zai iya zama da yawa ba, saboda farashin reactor yana inganta sosai tare da ƙaruwar jerin.
6. Bayani dalla-dalla game da abubuwan N,P na thermoelectric. Bayan an zaɓi jerin abubuwan N,P na na'urar peltier, za a iya zaɓar takamaiman abubuwan N,P na peltier, musamman ma'aunin aiki na abubuwan N,P na peltier mai sanyaya. Saboda akwai nau'ikan reactors da yawa waɗanda zasu iya biyan bambancin zafin jiki da samar da sanyi a lokaci guda, amma saboda yanayin aiki daban-daban, yawanci ana zaɓar reactor mai ƙaramin ƙarfin aiki, saboda farashin wutar lantarki mai goyan baya ƙanƙanta ne a wannan lokacin, amma jimlar ƙarfin reactor shine abin da ke tantancewa, ƙarfin shigarwa iri ɗaya don rage ƙarfin aiki dole ne ya ƙara ƙarfin lantarki (0.1v ga kowane nau'in kayan aiki), don haka logarithm na kayan aikin dole ne ya ƙaru.
7. Kayyade adadin abubuwan N,P. Wannan ya dogara ne akan jimlar ƙarfin sanyaya na reactor don biyan buƙatun bambancin zafin jiki, dole ne ya tabbatar da cewa jimlar ƙarfin sanyaya reactor a zafin aiki ya fi ƙarfin jimlar nauyin zafi na abin aiki, in ba haka ba ba zai iya cika buƙatun ba. Rashin ƙarfin zafi na tarin yana da ƙanƙanta sosai, ba fiye da minti ɗaya ba a ƙarƙashin rashin kaya, amma saboda rashin ƙarfin kaya (galibi saboda ƙarfin zafi na kayan), ainihin saurin aiki don isa ga zafin da aka saita ya fi minti ɗaya, kuma tsawon sa'o'i da yawa. Idan buƙatun saurin aiki sun fi girma, adadin tarin zai fi yawa, jimlar ƙarfin nauyin zafi ya ƙunshi jimlar ƙarfin zafi tare da zubar zafi (ƙananan zafin jiki, mafi girman zubar zafi).
Abubuwa bakwai da ke sama sune ƙa'idodin gabaɗaya da za a yi la'akari da su yayin zaɓar kayan aikin thermoelectric N, P peltier elements, wanda mai amfani na asali ya kamata ya fara zaɓar kayan aikin sanyaya thermoelectric, kayan aikin peltier, da kayan aikin TEC bisa ga buƙatun.
(1) Tabbatar da amfani da yanayin zafi na yanayi Th ℃
(2) Yanayin sanyi ko abu ya kai ga ƙarancin zafin jiki Tc ℃
(3) Sanannen nauyin zafi Q (ƙarfin zafi Qp, ɗigon zafi Qt) W
Idan aka yi la'akari da Th, Tc da Q, ana iya kimanta abubuwan N, P da adadin abubuwan TEC N, P masu sanyaya Thermoelectric bisa ga yanayin halayen na na'urorin sanyaya thermoelectric, peltier mai sanyaya, da na'urorin TEC.
Lokacin Saƙo: Nuwamba-13-2023
