Ukusetyenziswa kweemodyuli ze-peltier, iimodyuli ze-thermoelectric kubalawuli bobushushu

Ukusetyenziswa kweemodyuli ze-peltier, iimodyuli ze-thermoelectric kubalawuli bobushushu

Imodyuli yokupholisa ye-thermoelectric (i-peltier element)—ebizwa ngokuba zii-thermoelectric coolers (ii-TEC)—zizinto ezibalulekileyo kwiinkqubo zokulawula ubushushu obuchanekileyo. Ukusebenza kwazo kusekelwe kwisiphumo sePeltier: xa umsinga othe ngqo udlula kwi-thermocouple eyenziwe zizinto ezimbini ezahlukeneyo ze-semiconductor, ubushushu buyafunxwa kwindawo enye (kwicala elibandayo) kwaye ngaxeshanye buyaliwe kwindawo eyahlukileyo (kwicala elishushu).

Kwiinkqubo zolawulo lobushushu ezidibeneyo, iimodyuli ze-thermoelectric, iimodyuli ze-peltier, ii-TEC zidibene nezilawuli zobushushu ezikrelekrele (oko kukuthi, ii-thermostat) ukuze kuvumeleke ulawulo lobushushu olujikelezayo, olusebenzayo, noluvaliweyo ngokuchanekileyo okukhulu. Apha ngezantsi kukho uhlalutyo olucwangcisiweyo lwemigaqo yokusebenza kwazo kunye nokusetyenziswa kwazo okusebenzayo:

1. Umgaqo oyintloko wokusebenza: Ulawulo lobushushu olujikelezayo oluvaliweyo

Imodyuli yokupholisa yeThermoelectric, i-TEC isebenza kuphela njengesixhobo sokudlulisa ubushushu kwaye ayinakukwazi ukumisela ngokwayo ukuba iphole okanye ifudumale; olu buchule bokwenza izigqibo luhlala ngokupheleleyo kwisilawuli sobushushu—“iyunithi yokucubungula ephakathi” yenkqubo. Ixhotyiswe ngesensa yobushushu ethembekileyo, isilawuli sihlala sijonga ubushushu bokwenyani kwaye sibuthelekise neendawo ezichazwe ngumsebenzisi:

• Imo yokupholisa: Xa ubushushu obulinganisiweyo budlula indawo ephezulu, umlawuli usebenzisa umsinga obheke phambili, okwandisa ukukhupha ubushushu kwicala elibandayo.

• Imo yokufudumeza: Xa ubushushu buwela ngaphantsi kwe-setpoint esezantsi, isilawuli sibuyisela umva i-current polarity, ngaloo ndlela sitshintsha iindima zobushushu zeendawo ezimbini zokuhlangana kwaye siqalise ukufudumeza okusebenzayo.

Le ndlela yokuguqula ubushushu ivumela ukutshintsha kwemo yobushushu ngokukhawuleza—ngaphandle kokubambezeleka koomatshini okanye i-thermal inertia—ngaloo ndlela inika impendulo enamandla kakhulu xa kuthelekiswa neenkqubo zefriji zesiqhelo ezixhomekeke kwizinto zokufudumeza ezahlukeneyo kwaye zibonisa ukulibaziseka koomatshini okuqhelekileyo.

2. Iidomeyini zezicelo ezimeleyo

Ngenxa yendlela ezisebenza ngayo ezincinci, ukusebenza kwazo buthule, ukusebenza ngaphandle kokungcangcazela, kunye nokuzinza kobushushu (ukufikelela kulawulo oluchanekileyo lwe-±0.1 °C, kunye nokuhla ukuya kwi-±0.01 °C kwiindlela ezicwangcisiweyo), iinkqubo zolawulo lobushushu ezisekwe kwi-TEC ezisekwe kwi-Thermoelectric module (peltier cooler) zisasazwa ngokubanzi kumacandelo abalulekileyo:

• Isayensi yezonyango nobomi: Ii-polymerase chain reaction (PCR) thermal cyclers, ii-next-generation gene sequencers, ii-clinical biochemical analyzers, kunye nee-vaccine transport containers ezijongene nobushushu—zonke ezifuna ukulingana okuqinileyo kobushushu ukuqinisekisa ukuthembeka kovavanyo kunye nokhuseleko lwesigulana.

• Iinkqubo ze-Optical kunye ne-photonic: Ii-Laser diodes, ii-optical sensors, kunye nee-infrared detectors, apho ukuguquguquka kobushushu bemizuzu kubangela ukushukuma kwe-wavelength okanye ukuphazamiseka kwendlela ye-optical; ukuzinza kwe-TEC okuchanekileyo ke ngoko kubalulekile ekugcineni ukuthembeka kwesignali kunxibelelwano lwe-optical kunye ne-surface metrology ye-optics echanekileyo kakhulu.

• Ukwenziwa kwemizi-mveliso kunye ne-semiconductor: Ii-steppers ze-Photolithography, izixhobo zokukrola nge-plasma, iimodyuli ze-ADAS imaging, kunye nee-transceivers ze-LiDAR—apho uzinzo lobushushu lulawula ngokuthe ngqo ukuphindaphindeka kwenkqubo, isivuno, kunye nokuthembeka kwezixhobo zexesha elide phantsi kweemeko eziguquguqukayo zemozulu.

• Izixhobo ze-elektroniki kunye nezixhobo eziphathwayo zabathengi: Iimodyuli zolawulo lobushushu be-smartphone, izixhobo zokususa umswakama ezisekwe kwi-condensation, iiyunithi zokufriji ezincinci, kunye nezixhobo zoxinzelelo lobushushu lwesikhumba—ezizisa izisombululo zobushushu ezithuleyo, ezingenafriji, nezizinzileyo kwindalo.

3. Iinkqubo ezingaphantsi ezibalulekileyo ezivumela ukusebenza kwe-TEC ye-thermoelectric efanelekileyo

Ukuze kusetyenziswe ngokupheleleyo amandla eemodyuli ze-peltier, izixhobo ze-peltier, ii-TEC ngaphakathi koyilo lolawulo lobushushu, iinkqubo ezininzi ezixhomekeke kwenye kufuneka zenziwe ngobuchule kwaye zilungelelaniswe:

• Ulawulo lwempendulo olusekelwe kwi-PID: Ngenxa yeempawu ze-thermal inertia kunye neempawu ze-nonlinear voltage-current-heat-transfer ze-TECs, ii-peltier coolers, ii-algorithms ze-peltier eziphambili ze-proportional-integral-derivative (PID) zisetyenziselwa ukulungisa i-drive current ngokuguquguqukayo, ukususa impazamo ye-steady-state, ukucinezela i-thermal oscillations, kunye nokugcina ukusebenza kwe-isothermal yokwenyani.

• Ulawulo lobushushu olusebenza kakuhle kwicala elishushu: Njengoko ii-TEC zisebenza njengeempompo zobushushu—hayi izinki zobushushu—ukusasazwa ngempumelelo kobushushu obumdaka obuvela kwicala elishushu kubaluleke kakhulu. Ukusilela kwenkqubo kudla ngokubangelwa kukungapholi kakuhle kwicala elishushu; ngoko ke, izinki zobushushu ze-aluminium okanye zekopolo ezine-copper ephezulu, ezongezwa yi-forced-air convection okanye ii-liquid cooling loops, ziyindlela eqhelekileyo.

• Ukuqonda ubushushu obuchanekileyo: Ukulinganisa ngokuchanekileyo kuxhomekeke kwiisensa ezilungisiweyo ezifana nee-thermistors ze-NTC okanye ii-thermometers zokumelana neplatinum ze-PT100. Ukunciphisa ukumelana nobushushu kunye nokuqinisekisa impendulo emeleyo, iisensa kufuneka zifakwe ngokwasemzimbeni kubushushu obusondeleyo nomphezulu olawulwayo—ngokuqhelekileyo zikhuselwe kusetyenziswa igrisi ye-silicone eqhuba ubushushu kwaye zizinzile ngoomatshini.

• Iisekethe zokhuseleko ezipheleleyo: Abalawuli bobushushu obuqinileyo baquka ukhuseleko oluneeleya ezininzi—kuquka ukhuseleko olungaphezulu kombane, umbane ogqithisileyo, ubushushu obugqithisileyo, kunye nokhuseleko olufutshane—ukunciphisa iingozi ezinxulumene neziganeko ze-transient reverse voltage, i-thermal runaway, okanye iimeko zokusebenza ezingaqhelekanga ezinokuthi zibeke emngciphekweni i-Thermoelectric module, i-TEC module, i-TEC longevity okanye ukhuseleko lwenkqubo.

4. Uvavanyo lokuthelekisa: Iingenelo kunye nemida

Iingenelo:

• Ukwakhiwa kwe-Solid-state kususa iindawo ezihambayo, kuqinisekisa ukusebenza okuthuleyo, akukho kugcinwa, kwaye ixesha lenkonzo lihlala ixesha elide;

• I-form factor enokwandiswa kakhulu ixhasa ukuhlanganiswa kwamaqonga axinzelelweyo;

• Ukuguqulwa ngokukhawuleza kwe-thermal polarity kwenza kube lula ukusebenza nge-agile kuzo zonke ii-wide temperature spans (umz., −50 °C ukuya ku-+80 °C);

• Uyilo olungenasiqandisi luhambelana nemigaqo yehlabathi yokusingqongileyo kunye neenjongo zozinzo.

Imida:

• I-coefficient ephantsi kakhulu yokusebenza (COP), ingakumbi phantsi komahluko omkhulu wobushushu;

• Ubungakanani bomthamo wokupholisa buxhomekeke kakhulu ekusebenzeni kakuhle kokungavumi ubushushu kwicala elishushu;

• Ukusetyenziswa kwamandla kuyanda kakhulu kwiimeko ezigqithisileyo ze-ΔT;

• Iimodyuli ze-TEC ezinamandla aphezulu (iimodyuli ze-thermoelectric) zithetha iindleko eziphezulu zezinto zokwakha kunye nokuveliswa, nto leyo echaphazela uqoqosho lwenkqubo iyonke.

Inkcazelo ye-TES1-12106T125

Ubushushu obushushu ecaleni bungama-30 C,

Ubungakanani: 6A,

Ubukhulu: 14.2V

Ubuninzi beQ: 50.8 W

Ubuninzi beDelta T: 67 C

Ubungakanani: 15X60X3.4mm, ububanzi bomngxuma: 6.2

Ipleyiti yeseramikhi: 96%Al2O3

Itywiniwe: Itywiniwe yi-704 RTV (umbala omhlophe)

Ucingo: 22AWG PVC, ukumelana nobushushu obuyi-80℃.

Ubude bentambo: 150mm

Izinto zombane ezisebenzisa i-thermoelectric: iBismuth Telluride