Hloov Kho Fisher-Nqe 72825 Formel Junior Fernlenkflitzer: 4 Kauj Ruam

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:31

Kuv yuav qhia koj yuav hloov kho tsheb rc qho khoom ua si kom ua haujlwm sib txawv li cas. Vim li cas koj yuav tsum ua li ntawd? Kuv ib tus npoj yaig ntawm kuv yuav ob lub tsheb rc zoo ib yam rau Christmas ua khoom plig rau nws cov tub. Qhov teeb meem yog tias kev tswj chaw taws teeb ntawm ob lub tsheb ua haujlwm zoo ib yam. Cov tub hluas yuav siv tsis tau ob lub tsheb tib lub sijhawm. Cov tsheb tau muag hauv Tebchaws Yelemees nkaus xwb hauv ib qho khoom siv. Tsuas muaj nyob ntawm 27Mhz version. Kuv xav tias lub tsheb tsis muag thoob ntiaj teb. Kom tau txais Lub Tswv Yim uas kuv tham txog saib ntawm no: https://www.amazon.de/Fisher-Price-72825-0-Formel-Junior-Fernlenkflitzer/dp/B0002HB0IM/ref=pd_cp_toy_1https:// spielzeug. search-desc.ebay.de/Fisher-Price-Fernlenkflitzer_Spielzeug_W0QQfclZ3QQftsZ2QQsacatZ220QQsalisZ77 Txawm li cas los xij, txoj kev kuv piav qhia ntawm no yuav tsum ua haujlwm nrog yuav luag txhua lub tsheb rc. Kuv tsoo lub tsheb sib txawv sib nrug thiab ib txwm pom ze li tib lub thev naus laus zis sab hauv. https://www.instructables.com/id/Using-RC-car-parts-as-remote-control/https://www.instructables.com/id/Power-to-the-Super-Rebound/An other Teardown

Kauj Ruam 1: Nws Ua Haujlwm Li Cas?

RC cov khoom ua si tswj chaw taws teeb ua haujlwm yooj yim dua. Lawv yuav tsum tau pheej yig. Cov chaw tsim khoom khaws cov nqi qis li sai tau. Ntawm lub transmitter ib sab quarz chrystal tau siv los khaws cov xa tawm ntawm qhov tau piav tseg ntau zaus. Hauv peb qhov xwm txheej nws yog 27.415Mhz. Tus xa xov xav tau los tswj hwm qhov ruaj khov, yog vim li cas thiaj siv lub pob zeb quartz (https://en.wikipedia.org/wiki/Crystal_oscillator). Ntawm tus txais sab tsis muaj quartz siv lead ua vim nws raug nqi ntau. Kev ruaj ntseg ntawm cov khoom siv niaj hnub no yog qhov zoo txaus rau cov khoom ua si yooj yim. Txhawm rau ua tus txais khoom nws yuav tsum tau lim lub xov tooj cua kom pom tsuas yog lub teeb liab xa los ntawm tus xa xov (https://en.wikipedia.org/wiki/Receiver_(radio)). Muaj tsawg kawg yog ib lub lim tau teeb tsa ntawm lub tswv yim, ze rau lub kav hlau txais xov. Thaum siv superhet (https://en.wikipedia.org/wiki/Superhet) thev naus laus zis kuj tseem muaj yog tias xav tau lim lim. Feem ntau qhov no yog qhov me me ceramic resonator. Saib ntawm kab lus Wikipeda koj yuav pom daim duab hauv qab "Tsim thiab nws cov evolution". Lub thaiv npe hu ua "RF Amplifier" yog qhov chaw uas thawj lub lim dej, tsim los nrog cov kauj thiab lub capacitor, tso. Lub lim thib ob, lub tshuab nqus pa, tau cim nrog "Lim". Kuv tau ntxiv "ib nrab rov tsim kho" cov txheej txheem ntawm cov lim dej nkag. "Ib nrab" txhais tau tias, tsuas yog cov khoom tseem ceeb tau kos.

Kauj Ruam 2: Hloov Kho Tus Kheej

Peb xav hloov qhov ua haujlwm zaus ntawm 27.415Mhz rau qee yam uas nyob deb ntawm qhov zaus peb tuaj yeem tau tab sis tseem nyob hauv 27Mhz band. Saib mus rau hauv cov lus zaus peb pom tus qauv quartz nrog 27.005Mhz, beeing channel 5 ntawm no hauv Tebchaws Europe. Ntawm qhov chaw xa xov tsuas yog lub qub quartz yuav tsum tau hloov los ntawm qhov tshiab. Tshem tawm cov chaw taws teeb tswj, nrhiav cov quartz, desolder nws thiab tso cov tshiab rau tib qhov chaw tam sim no nws yog lub sijhawm rau thawj qhov kev sim. Thaum siv lub chaw taws teeb tswj lub tsheb yuav tsum tsis txhob teb nws. Qhov ntawd yog txoj hauv kev peb nyiam nws vim tias lub tsheb qub (tsis hloov kho) yuav tsum tsis txhob raug tswj los ntawm kev hloov kho chaw taws teeb. Yog tias qhov ntawd tsis ua haujlwm rau koj, qhov sib txawv ntawm ob zaus tsis loj txaus.

Kauj Ruam 3: Hloov Kho Tus Txais

Tus txais yuav tsum tsis txhob teb rau cov lus txib ntawm kev hloov kho chaw taws teeb vim tias lub lim dej nkag tau tseem nyob rau qhov sib txawv. Muaj ob txoj hauv kev los ua kom tus txais txais lub teeb liab. 1. Koj coj tus tsav tsheb me me thiab tig lub ferrite sab hauv lub kauj qub los hloov lub lim mus rau qhov tshiab. 2. Koj tsim lub lim tshiab siv lub lim lim thiab qee qhov me me insulated tooj liab hlau. Qhov thawj qhov kev xaiv tsis ua tiav feem ntau, vim tias sim tig lub ferrite core, ua rau nws tawg. Cov tub ntxhais ferrite tau tsau rau hauv qhov chaw nrog siv quav ciab. Nws yog qhov zoo heev uas koj tsis tuaj yeem tshem cov ciab tawm ntawm cov tub ntxhais thiab tom qab ntawd tuaj yeem tig cov tub ntxhais ferrite. Koj tuaj yeem sim tshem cov ciab tawm los ntawm ua tib zoo ua kom sov lub kauj nrog lub tshuab ziab plaub hau. Koj yuav tsum tau ceev faj heev kom tsis txhob yaj cov yas ntawm cov tub ntxhais. Kuv tau sim kho cov ntxaij lim dej li no qee zaum thiab yuav luag txhua lub sijhawm kuv ua tsis tiav. Thaum cov tub ntxhais ferrite tau tawg nws tau nyam hauv cov yas yas thiab koj tsis tuaj yeem tig nws mus rau lwm qhov kev qhia ntxiv lawm. Yog tias thawj txoj hauv kev tsis tiav koj yuav tsum tau siv thib ob vim tias koj lim tau tawg lawm. Koj yuav tsum ua lej me ntsis los xam cov ammount fo windings xav tau rau lub kauj. Hauv qhov no kuv tau ua cov lej hauv qab no. Tshawb xyuas qhov inductance ntawm thawj kauj. Txoj kab uas hla yog 5 hli. Cov hlau yog tuab 0.3 hli. Muaj 7 tig ntawm lub kauj. Kev khiav hauj lwm zaus yog 27.415Mhz. Qhov ntev ntawm lub kauj yog 3 hli. Ua siv cov mis L = N^{2*D yog}2/l (L = inductance, N = tus xov tooj cua, D = txoj kab uas hla ntawm kauj, l = ntev ntawm kauj) Kuv tau txais qhov inductance ntawm 0.408uH. Kuv xav tias peb tsis hloov tus nqi ntawm lub lim capacitor. Kuv tau txais tus nqi AL ntawm cov lim tshiab los ntawm cov ntaub ntawv. Qhov inductance tuaj yeem suav nrog L = AL*N^{2. Siv qhov no kuv tau txais: N = sqrt (L/AL), ua rau N = 9.}Peb cov kauj tshiab tseem siv cov tub ntxhais nrog 5mm txoj kab uas hla. Peb kuj tseem siv tib lub xaim (coj los ntawm cov cuab yeej qhwv). Kuv kuj tseem tuaj yeem nqa 7 tig los ntawm cov kauj qub. Ob lub cores zoo sib xws. Tus nqi yuav tsum tsis txawv ntau dhau. Kev suav tsis yog qhov tseeb, tab sis muab qhov kwv yees zoo yuav ua li cas thiaj ua tau cov kauj. Siv 9 txoj hlua khi ua rau peb muaj peev xwm thim rov qab yog tias peb tsis tuaj yeem kho lub kauj tshiab mus rau qhov tshiab. Txawm hais tias koj sim siv cov txheej txheem qub nws tuaj yeem tsim nyog rov qab rau nws yog tias qhov kev hloov kho tsis ua haujlwm. Peb txo qis zaus, yog li koj yuav tsum tau ntxiv cov hlua rau lub kauj kom nws ua haujlwm. Hauv kuv qhov xwm txheej 9 tig tau ua haujlwm zoo!;-)

Kauj Ruam 4: Ua Kom Nws Ua Haujlwm

Ua qee qhov kev sim. Hloov ntawm cov chaw taws teeb tswj. Yog tias koj muaj hmoo heev, lub tsheb yuav teb … tab sis kuv tsis xav tias yuav tshwm sim;-) Heev, ua tib zoo tig lub ferrite core rau hauv lub kauj. Siv tus tsav tsheb me me thiab ua tib zoo tig lub ferrite rau hauv cov tub ntxhais thaum ua kom lub chaw taws teeb tswj tau qhib. Tom qab lub sijhawm tig lub tsheb yuav tsum teb. Yog tias tsis yog, koj tsis muaj hmoo… Yog tias lub ferrite twb tau nyob ntawm lub hauv paus ntawm cov tub ntxhais koj yuav tsum tau tshem qee qhov cua ntawm lub kauj. Tshem tawm qhov siab tshaj ntawm ob txoj hlua ntawm ib zaug. Rov ua dua qhov tig ntawm ferrite. Yog tias muaj tsawg dua 4 windngs sab laug ntawm lub kauj … qee yam tsis raug. Xijpeem koj tau ua yuam kev thaum hloov lub kauj lossis lub hauv paus pib lub kaus mom tsis txaus cua. Hauv qhov xwm txheej ntawd koj yuav tsum pib dua los ntawm qhov pib pib tig ntau dua thaum pib yog tias lub tsheb teb, ua kom nrug deb ntawm cov chaw taws teeb tswj thiab lub tsheb loj dua. Nws yog lub tswv yim zoo kom ua rau ib tus neeg pab koj nrog qhov ntawd. Siv lub chaw deb kom deb ntawm lub tsheb raws li lub tsheb nres teb. Tig lub ferrite thiab pom tias lub tsheb pib teb dua. Ntawm qhov siab tshaj plaws tuaj yeem nrug koj tau txais cov ntsiab lus ntse thaum tig qhov uas lub tsheb teb. Nov yog qhov kev hloov kho zoo tshaj plaws rau koj. Hauv kuv qhov xwm txheej 9 txoj hlua uas zoo tshaj plaws. Ntawm daim duab koj tuaj yeem pom tias cov tub ntxhais ferrite tsis tau tig mus rau hauv cov kauj, uas yog qhov zoo. Thaum txhua yam ua haujlwm koj yuav tsum tau thov qee cov kua nplaum rau lub kauj kom nws ua haujlwm ruaj khov. Tsis txhob hnov qab kho cov tub ntxhais ferrite! Koj tsis tas yuav siv quav ciab, kua nplaum yuav ua ib yam nkaus (li cas poetic …). Yog tias lub tsheb tab tom khiav thiab cov hlua ntawm lub kauj tau dhia lossis lub ferrite tau vibrating koj tuaj yeem xoob koj hloov, thiab lub tsheb yuav tsis ua haujlwm …;-) Ib qho ntxiv … Koj tuaj yeem hloov qhov zaus tsuas yog hauv cov zaus me me. Hloov pauv zaus ntawm 27Mhz band mus rau 40Mhz band yuav tsum ua haujlwm ntau dua. Nws yuav ua haujlwm, tab sis nws yuav tsum tsis ua haujlwm. Muaj cov rc chips uas tuaj yeem ua haujlwm ob qho tib si zaus, tab sis lawv siv cov lim sib txawv tom qab ntawd. Tsuas yog hloov cov kauj yuav tsis ua haujlwm feem ntau.