Cov txheej txheem:
- Kauj Ruam 1: Qhov Chaw thiab Cov Cuab Yeej
- Kauj Ruam 2: Txoj Cai Ua Haujlwm & Kev Xav
- Kauj Ruam 3: Kev Npaj thiab Kev Sib Ntsib
- Kauj ruam 4: Teeb
- Kauj Ruam 5: Cov txiaj ntsig
- Kauj Ruam 6: Sib tham
- Kauj Ruam 7: Xaus
Video: Lub Teeb Los Ntawm Cov Hluav Taws Xob Hluav Taws Xob rau Hauv $ 5: 7 Cov Kauj Ruam (nrog Duab)
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:29
Peb yog ob tus tub ntxhais kawm tsim qauv tsim khoom hauv tebchaws Netherlands, thiab qhov no yog kev tshawb fawb thev naus laus zis nrawm raws li ib feem ntawm Technology rau Lub Tswv Yim Tsim Tsim cov chav kawm ຍ່ອຍ. Raws li tus tsim qauv tsim khoom, nws muaj txiaj ntsig kom muaj peev xwm txheeb xyuas cov thev naus laus zis thiab nkag siab tob dua ntawm lawv kom txiav txim siab zoo rau kev ua tiav ntawm cov thev naus laus zis tshwj xeeb hauv cov ntsiab lus.
Hauv qhov kev qhia no, peb txaus siab pom qhov ua tau zoo thiab tus nqi qis TEG cov qauv tuaj yeem ua tau, thiab yog tias lawv yog qhov kev xaiv siv tau rau rov them cov khoom siv sab nraum zoov zoo li lub txhab nyiaj fais fab lossis teeb nyem nrog, piv txwv li, lub chaw tua hluav taws. Tsis zoo li roj teeb lub zog, lub zog cua sov los ntawm hluav taws yog ib yam peb tuaj yeem ua nyob txhua qhov chaw hauv hav zoov.
Daim ntawv thov siv tau
Peb tau tshawb xyuas kev siv TEGs rau them lub roj teeb thiab ua kom lub zog ntawm LED teeb. Peb xav txog kev siv TEG cov qauv rau, piv txwv li, them lub teeb nyem ntawm lub chaw tua hluav taws kom nws tuaj yeem ywj siab ntawm lub zog hluav taws xob.
Peb qhov kev tshawb nrhiav tsom mus rau cov kev daws teeb meem qis uas peb pom ntawm Suav cov khw muag khoom online. Tam sim no nws nyuaj rau pom zoo TEG cov qauv hauv cov ntawv thov uas muaj txiaj ntsig zoo vim tias lawv tsuas muaj lub zog tsawg dhau. Txawm hais tias muaj cov txiaj ntsig zoo TEG cov qauv ntawm kev ua lag luam niaj hnub no, lawv tus nqi tsis tshua ua rau lawv xaiv rau cov khoom lag luam me xws li lub teeb nyem.
Kauj Ruam 1: Qhov Chaw thiab Cov Cuab Yeej
Qhov
-Thermoelectric Module (TEG) 40x40mm (SP1848 27145 SA) https://www.banggood.com/40x40mm-Thermoelectric-Power-Generator-Peltier-Module-TEG-High-Temperature-150-Degree-p-1005052.html? rmmds = tshawb & cur_warehouse = CN
-Qhov tseeb
-Breadboard
-LED liab
-Qee cov xov hlau
-Heatsink plaster/ thermal paste
-Siv hlau/cua sov (txhuas)
Cov cuab yeej
-Thermometer ntawm qee yam
-Soldering hlau
-(digital) Multimeter
-Lub teeb
-Small Vise (lossis lwm yam khoom uas tso cai rau koj tso tealights hauv qab nws)
Kauj Ruam 2: Txoj Cai Ua Haujlwm & Kev Xav
Nws ua haujlwm li cas?
Yooj yim hais, TEG (lub tshuab hluav taws xob thermoelectric) hloov cov cua sov rau hauv cov hluav taws xob. Ib sab yuav tsum tau ua kom sov thiab lwm sab yuav tsum tau txias (hauv peb cov ntaub ntawv sab yuav tsum tau txias). Qhov sib txawv ntawm qhov kub thiab txias nyob rau sab saum toj thiab hauv qab yuav ua rau cov hluav taws xob hauv ob daim hlau muaj qib sib txawv ntawm lub zog (qhov muaj peev xwm sib txawv), uas ua rau tsim hluav taws xob tam sim no. Qhov tshwm sim no tau piav qhia los ntawm Seebeck cov nyhuv. Nws kuj txhais tau tias thaum qhov kub ntawm ob sab sib npaug, yuav tsis muaj hluav taws xob tam sim no.
Raws li tau hais tseg cov tshuab hluav taws xob thermoelectric tau raug xaiv los tshawb nrhiav. Peb tab tom siv hom SP1848-27145 nrog tus nqi qis dua peb euros ib chav (suav nrog thauj khoom). Peb paub tias muaj cov kev daws teeb meem kim dua thiab muaj txiaj ntsig zoo ntawm kev ua lag luam, tab sis peb tau txaus siab rau qhov muaj peev xwm ntawm cov "pheej yig" TEGs no.
Hypothesis
Lub vev xaib uas muag TEG cov qauv muaj, zoo li cas, ua siab tawv thov kom ua haujlwm tau zoo rau kev hloov hluav taws xob. Peb yuav taug kev me me tom qab tshawb nrhiav cov lus thov no.
Kauj Ruam 3: Kev Npaj thiab Kev Sib Ntsib
Kauj Ruam 1: Qhov rhaub dej kub yooj yim tau tsim los ntawm kev siv cov seem txhuas seem pom hauv lub rooj cob qhia, cov no tau txuas nrog TEG tus qauv los ntawm kev siv cov tshuaj sov ua kom sov. Txawm li cas los xij, lwm yam hlau xws li tooj liab, tooj dag, lossis kev sib tsoo tseem yuav ua haujlwm txaus rau qhov teeb tsa no.
Kauj Ruam 2: Cov kauj ruam tom ntej cuam tshuam nrog thawj lub TEG qhov tsis zoo ua rau TEG thib ob qhov ua tau zoo, qhov no ua kom ntseeg tau tias cov hluav taws xob tam sim no yuav nyob ua ke (lub ntsiab lus tias qhov tso tawm ntawm ob TEGs yuav raug ntxiv). Nrog peb teeb tsa, peb tsuas yog muaj los tsim txog 1.1 volt ib TEG. Qhov no txhais tau tias txhawm rau kom mus txog 1.8 volts xav tau los teeb lub teeb liab liab, ntxiv TEG thib ob.
Kauj Ruam 3: Txuas cov liab (zoo) xaim ntawm thawj TEG thiab dub (tsis zoo) xaim ntawm TEG thib ob mus rau lub khob cij hauv nws qhov chaw.
Kauj Ruam 4: Muab lub teeb liab liab tso rau ntawm lub khob cij (nco ntsoov: ceg ntev dua yog qhov zoo)
Kauj Ruam 5: Kauj ruam kawg yog yooj yim*, taws tswm ciab thiab tso TEG cov qauv rau saum nplaim taws. Koj xav siv qee yam ruaj khov los tso TEGs rau saum. Qhov no ua rau lawv tsis muaj kev sib cuag ncaj qha nrog nplaim taws, hauv qhov no tau siv lub vise.
Vim tias qhov no yog qhov kev sim yooj yim, peb tsis tau siv sijhawm ntau los ua cov ntaub thaiv kom raug lossis txias. Txhawm rau kom ntseeg tau cov txiaj ntsig zoo ib yam, peb tau ua kom ntseeg tau tias TEG tau teeb tsa sib npaug deb ntawm tealight rau kev sim.
*Thaum sim rov ua dua qhov kev sim, nws tau qhia kom tso TEGs nrog cua sov hauv lub tub yees lossis lub tub yees kom txias kom txias. Nco ntsoov tshem lawv tawm ntawm daim ntawv tais ua ntej ua li ntawd.
Kauj ruam 4: Teeb
Kev sim thawj zaug
Peb thawj qhov kev sim tau nrawm thiab qias neeg. Peb muab TEG tus qauv tso rau ntawm lub teeb tshuaj yej thiab ua kom txias 'txias kawg' ntawm TEG siv cov txheej txheem txhuas ntawm lub teeb tshuaj yej thiab lub voos xwmfab dej khov. Peb tus pas ntsuas kub (sab laug) tau muab tso rau hauv qhov clamp me (sab saum toj sab xis) txhawm rau ntsuas qhov kub ntawm sab saum toj ntawm TEG.
Rov ua dua rau qhov kev xeem zaum kawg
Txog peb qhov kev xeem zaum kawg, peb tau hloov ntau qhov kev teeb tsa kom ntseeg tau tias muaj txiaj ntsig zoo dua. Ua ntej tshaj plaws peb tau hloov cov dej txias rau qhov txias txias txias los ntawm kev siv lub thaiv loj dua ntawm txhuas, qhov no qhia txog kev muaj peev xwm ua tau zoo dua. Kuj tseem ntxiv TEG thib ob txhawm rau ua tiav qhov txiaj ntsig xav tau, uas yog kom pom lub teeb liab liab.
Kauj Ruam 5: Cov txiaj ntsig
Kev siv teeb tsa piav qhia yuav pom lub teeb liab liab!
TEG muaj zog npaum li cas?
Cov chaw tsim khoom thov tias TEG tuaj yeem tsim hluav taws xob qhib hluav taws xob txog li 4.8V ntawm qhov tam sim no ntawm 669mA thaum raug rau qhov ntsuas kub sib txawv 100 degrees. Siv lub zog ntsuas P = I * V, nws tau suav tias qhov no yuav yog kwv yees li 3.2 watt.
Peb teeb tsa kom pom ze li cas peb tuaj yeem tuaj rau cov lus thov no. Kev ntsuas ib puag ncig 250 degrees Celsius hauv qab ntawm TEG thiab ze rau 100 degrees nyob rau qhov kawg, qhov kev sim qhia pom qhov sib txawv heev piv rau cov neeg tsim khoom thov. Qhov hluav taws xob nyob ib puag ncig 0.9 volt thiab 150 mA, uas yog sib npaug rau 0.135 watt.
Kauj Ruam 6: Sib tham
Peb qhov kev sim ua rau peb muaj txiaj ntsig zoo ntawm qhov muaj peev xwm ntawm TEGs no, raws li peb tuaj yeem hais ncaj ncees tias lawv cov txiaj ntsig tau tsim nyog rau kev lom zem me ntsis thiab kev sim, tab sis hais tias lub cev muaj feem cuam tshuam rau kom txias cov kab ke no thiab tsim kom muaj lub zog ruaj khov yog deb ntawm qhov ua tau rau lub ntiaj teb kev ua tiav tiag tiag, thaum piv rau lwm qhov kev daws teeb meem uas tsis zoo ib yam li hnub ci zog.
Muaj qhov chaw tiag tiag rau TEGs, thiab lub tswv yim ntawm kev siv lub chaw tua hluav taws kom siv lub teeb nyem zoo li ua tiav; peb tsuas yog raug txwv hnyav vim yog txoj cai ntawm thermodynamics. Vim tias qhov sib txawv ntawm qhov kub xav tau kom ua tiav, ib sab ntawm TEG xav tau (ua haujlwm) txias thiab lwm qhov xav tau qhov cua sov tas li. Qhov tom kawg tsis yog qhov teeb meem hauv qhov hluav taws kub, tab sis qhov txias yuav tsum tau ua kom muaj txiaj ntsig zoo uas yuav tsum tau ua kom txias txias thiab qhov no nyuaj rau ua tiav. Thaum txiav txim siab qhov ntim xav tau los ua cov kev daws teeb meem no, piv rau cov cuab yeej siv roj teeb uas twb muaj lawm, nws yog qhov muaj txiaj ntsig ntau dua los xaiv lub roj teeb rau lub teeb ci.
Kev txhim kho
Txog rau kev sim yav tom ntej, nws yuav raug qhia kom tau txais lub rhaub dej kom tsim nyog (los ntawm lub khoos phis tawj tawg piv txwv) thiab siv lawv ntawm ob sab kub thiab txias ntawm TEG. Qhov no tso cai rau tshav kub kom faib tau zoo dua thiab yuav ua rau cov cua sov pov tseg ntawm sab txias ua kom yooj yim dua li cov khoom thaiv ntawm txhuas
Kev siv yav tom ntej ntawm cov thev naus laus zis Tam sim no TEGs feem ntau pom muaj nyob hauv (ib puag ncig ib puag ncig) cov khoom siv thev naus laus zis raws li txhais tau tias siv cov cua sov pov tseg rau lub zog. Yav tom ntej no thev naus laus zis muaj peev xwm ntau ntxiv. Ib qho kev nthuav qhia rau kev tsim cov khoom siv teeb pom kev zoo yog qhov hnav. Kev siv lub cev kom sov tuaj yeem ua rau lub teeb tsis muaj roj teeb uas yooj yim siv tau hauv khaub ncaws lossis ntawm lub cev. Cov thev naus laus zis no kuj tseem tuaj yeem siv rau tus kheej lub zog ntsuas kom tso cai rau kev saib xyuas cov khoom lag luam hauv pob ntau yam ntau dua li yav tas los. (Pom tseeb Thermoelectrics, 2016).
Kauj Ruam 7: Xaus
Hauv kev xaus, raws li kev cia siab raws li thev naus laus zis zoo li, lub kaw lus yuav tsum muaj lub zog txias thiab qhov cua sov tas mus li kom muaj kev nyab xeeb txawm tias muaj hluav taws xob them (hauv peb qhov xwm txheej, teeb pom kev zoo). Thaum peb teeb tsa tso cai rau txias sai ntawm lub rhaub dej kub siv lub tub yees, qhov kev sim no yuav nyuaj heev rau kev tsim dua tshiab yam tsis muaj hluav taws xob sab nraud; lub teeb yuav tau tuag los ntawm lub sijhawm qhov zoo thiab qhov tsis zoo nce mus txog qhov kub ib yam. Txawm hais tias thev naus laus zis tsis siv tau tam sim no, nws yog qhov txaus siab pom qhov twg nws yuav mus txiav txim siab tas li ntawm cov thev naus laus zis tshiab thiab tshiab thiab cov khoom siv.
Pom zoo:
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