Retrofit BLE Kev Tswj kom Muaj Lub Hwj Huam Muaj Zog - Tsis Xav Tau Kev Txuas Ntxiv: 10 Kauj Ruam (nrog Duab)

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:27

Hloov kho: 13th Lub Xya Hli 2018 - ntxiv 3 -lub davhlau ya nyob twg tswj rau toroid mov

Cov lus qhia no suav nrog BLE (Bluetooth Tsawg Zog) tswj kev thauj khoom tam sim no hauv thaj tsam 10W txog> 1000W. Lub zog tau hloov pauv nyob deb ntawm koj li Android Txawb ntawm pfodApp.

Tsis xav tau txuas ntxiv, tsuas yog ntxiv BLE tswj kev sib txuas rau qhov hloov pauv uas twb muaj lawm.

Feem ntau thaum rov txhim kho lub tsev siv tshuab kom zoo rau kev teeb tsa uas twb muaj lawm, tsuas yog qhov chaw tsim nyog ntxiv rau kev tswj hwm yog nyob ntawm qhov hloov pauv uas twb muaj lawm. Tshwj xeeb tshaj yog thaum koj xav khaws qhov hloov pauv raws li phau ntawv hla dhau. Txawm li cas los xij feem ntau tsuas muaj ob lub xov hlau ntawm qhov hloov pauv, Cov nquag thiab hloov cov hlau rau lub nra, tsis muaj qhov nruab nrab. Raws li tau hais los saum toj no qhov kev tswj hwm BLE ua haujlwm nrog tsuas yog ob lub xov hlau thiab suav nrog phau ntawv hla kev hloov pauv. Ob qho kev tswj chaw taws teeb thiab phau ntawv hloov chaw ua haujlwm thaum lub nra qhib lossis Tawm.

Qhov piv txwv tshwj xeeb ntawm no yog rau kev tswj hwm 200W lub txhab nyiaj ntawm lub teeb los ntawm kev tso lub Circuit Court tom qab hloov phab ntsa. Txoj cai tau muab rau ob qho RedBear BLE Nano (V1.5) thiab RedBear BLE Nano V2 los tso saib lub khawm tswj ntawm pfodApp. Ib qho kev xaiv ua tiav Lub Sijhawm Auto Off kuj tseem muaj nyob hauv txoj cai.

CEEB TOOM: Txoj haujlwm no yog rau Cov Kws Tsim Kev Paub Xwb. Lub rooj tsavxwm yog Mains Powered thiab tuaj yeem ua rau tuag taus yog tias ib feem ntawm nws tau kov thaum nws tab tom khiav. Txoj hlua ntawm pawg thawj coj no mus rau lub teeb pom kev hloov tam sim no yuav tsum tsuas yog ua los ntawm tus kws kho hluav taws xob tsim nyog

Kauj Ruam 1: Vim Li Cas Qhov Project no?

Txoj haujlwm yav dhau los, Txhim Kho Qhov Teeb Pom Kev Muaj Teeb nrog Kev Tswj Chaw Taws Teeb, ua haujlwm yuav thauj khoom nruab nrab ntawm 10W thiab 120W rau 240VAC (lossis 5W txog 60W rau 110VAC) tab sis tsis muaj peev xwm tiv nrog chav teeb rooj uas muaj 10 x 20W = 200W ntawm compact fluorescents. Txoj haujlwm no ntxiv ob peb yam thiab txhais tes ua lub ntsej muag txhawm rau tshem tawm qhov kev txwv no thaum khaws tag nrho cov txiaj ntsig ntawm txoj haujlwm dhau los. Lub nra uas tus tsim no tuaj yeem hloov pauv tsuas yog txwv los ntawm kev sib txuas lus sib tw. Kev xa tawm siv ntawm no tuaj yeem hloov 16 Amps tiv taus. Qhov ntawd yog> 1500W ntawm 110VAC thiab> 3500W ntawm 240VAC. BLE tswj kev sib txuas thiab xa tawm siv mWs thiab yog li nws tsis txawm sov.

Qhov zoo ntawm txoj haujlwm no yog:- (saib Retrofit Qhov Teeb Pom Kev Muaj Teeb nrog Kev Tswj Chaw Taws Teeb kom paub meej ntxiv)

Yooj Yim rau Txhim Kho thiab Saib Xyuas Qhov kev daws teeb meem no yog Mains Powered tab sis TSIS TXHOB xav tau ib qho txuas txuas ntxiv los teeb tsa. Tsuas yog teeb tsa ntxiv cov tswj hluav taws xob mus rau phau ntawv hloov pauv uas twb muaj lawm.

Saj zawg zog thiab muaj zog Cov phau ntawv hla kev hloov pauv txuas ntxiv tswj lub nra txawm tias lub chaw tswj hluav taws xob tsis ua haujlwm (lossis koj tsis pom koj lub xov tooj). Tsis tas li koj tuaj yeem tig lub nra rau tom qab tom qab koj tau siv phau ntawv hla kev hloov pauv kom nws OFF

Thaum muaj lub microprocessor tswj koj lub nra, koj tuaj yeem npaj tau ntxiv cov haujlwm ntxiv. Cov cai hauv txoj haujlwm no suav nrog kev xaiv kom tig lub nra tawm tom qab lub sijhawm muab. Koj kuj tseem tuaj yeem ntsuas qhov ntsuas kub kom tswj tau lub nra thiab kho qhov ntsuas kub nyob deb.

Tsim Lub Hauv Paus rau Kev Ua Haujlwm Zoo Hauv Tsev Tag Nrho Cov duab no yog los ntawm Bluetooth V5 "Mesh Profile Specification 1.0", Lub Xya Hli 13, 2017, Bluetooth SIG

Raws li koj tuaj yeem pom nws suav nrog tus lej Relay nodes hauv lub mesh. Cov Relay nodes tau ua haujlwm txhua lub sijhawm thiab muab kev nkag mus rau lwm qhov ntawm lub ntsej muag thiab rau lub roj teeb uas siv lub zog ntsuas. Txhim kho qhov Mains Powered BLE Remote module yuav cia li muab cov nodes hla koj lub tsev uas tuaj yeem muab ntxiv rau lub mesh ua Relay nodes. RedBear BLE Nano V2 yog Bluetooth V5 sib xws.

Txawm li cas los xij BLE Mesh qhov tshwj xeeb tsis ntev los no thiab tam sim no tsis muaj kev piv txwv kev coj ua. Yog li teeb tsa lub mesh tsis tau them rau hauv txoj haujlwm no tab sis ib zaug piv txwv txoj cai dhau los koj yuav muaj peev xwm rov ua haujlwm tau koj RedBear BLE Nano V2 los muab lub meshed Tsev Automation Network

Kauj Ruam 2: Yuav Ua Li Cas BLE Cov Chaw Taws Teeb Los Siv Thaum Tsis Muaj Qhov Sib Txuas Tsis Zoo?

Lub tswv yim rau kev tswj hwm hnub no rov qab los, ntau xyoo, mus rau qhov yooj yim tam sim no cov khoom siv hluav taws xob. (National Semiconductor Application Note 103, Figure 5, George Cleveland, August 1980)

Dab tsi yog qhov nthuav ntawm qhov kev sib tham no yog tias nws tsuas muaj ob lub xov hlau, ib qho thiab ib qho tawm. Tsis muaj kev sib txuas rau -v mov (gnd) tshwj tsis yog los ntawm kev thauj khoom. Lub voj voog no rub nws tus kheej los ntawm nws cov hlua khau raj. Nws siv qhov ntsuas hluav taws xob poob hla tus tswj hwm thiab tus tiv thaiv kom lub zog tswj hwm.

Retrofit Qhov Hloov Teeb Tseem Ceeb nrog Kev Tswj Chaw Taws Teeb tau siv lub tswv yim zoo sib xws.

A 5V6 Zener nyob rau hauv series nrog lub thauj khoom muab lub zog rau BLE tus tswj thiab lub latching relay. Thaum lub thauj khoom tig tawm qhov tsawg heev ntawm qhov tam sim no tsawg dua 5mA tseem txuas ntxiv txawm tias zener (thiab thauj khoom) ntawm 0.047uF thiab 1K hla kev qhib qhib. Qhov me me tam sim no, uas tsis tshua pom tau thiab 'nyab xeeb', txaus los ua lub zog rau BLE tus tswj thaum lub nra tawm thiab tseem them tus nqi hluav taws xob los tsav lub latching relay kom hloov lub load ntawm qhov chaw deb. Saib Retrofit Ib qho Teeb Pom Kev Zoo nrog Kev Tswj Chaw Taws Teeb rau tag nrho cov Circuit thiab cov ntsiab lus.

Cov kev txwv ntawm qhov Circuit Court saum toj no yog tias thaum lub thauj khoom yog ON, txhua qhov kev thauj khoom tam sim no dhau los ntawm zener. Siv 5W zener txwv qhov tam sim no mus txog ib nrab amp. Qhov ntawd yog rau lub teeb 60W (ntawm 110VAC) 3W tau tawg tawm raws li cua sov los ntawm zener thaum lub thauj khoom tau qhib. Rau 110V AC systems qhov no txwv lub load rau txog 60W, thiab rau 240V systems txog 120W. Nrog cov teeb pom kev zoo niaj hnub no feem ntau txaus, txawm li cas los xij nws yuav tsis tiv nrog 200W ntawm cov teeb nyob hauv chav zaum.

Cov lus piav qhia ntawm no tshem tawm qhov kev txwv no thiab tso cai rau kilowatts ntawm lub zog tswj tau los ntawm mWs ntawm BLE thiab pfodApp.

Kauj Ruam 3: Daim duab Circuit Court

Lub Circuit Court saum toj no qhia tias lub zog OFF. Hauv lub xeev no BLE tus tswj hwm tau muab los ntawm 0.047uF thiab 1K raws li yav dhau los hauv Circuit. Thaum lub thauj khoom tau qhib (piv txwv li ua haujlwm ntawm lub phab ntsa hloov lossis kaw qhov txuas hauv kab lus saum toj no), tus choj txuas saum toj kawg nkaus thiab 0.047uF thiab 1K cov khoom tau luv los ntawm kev xa tawm thiab hloov. Kev thauj khoom tam sim no ntws los ntawm Toroidal Transformer uas muab cov mWs xav tau rau kev tswj hluav taws xob. Txawm hais tias lub toroid tau pom muaj li ntawm 3.8V AC hla nws qhov tseem ceeb, thawj qhov winding yuav luag tag nrho cov tshuaj tiv thaiv thiab tawm ntawm theem nrog lub ntsuas hluav taws xob yog li lub zog me me tau ua los ntawm toroid, mWs tiag.

Daim duab qhia chaw ua tiav ntawm no (pdf). Cov npe ntu, BLE_HighPower_Controller_Parts.csv, nyob ntawm no

Koj tuaj yeem pom cov khoom ntxiv ntawm sab laug tes. Lub tshuab hluav taws xob toroidal, tiv thaiv kev tawm tsam, txwv kev tawm tsam thiab tag nrho yoj rectifier. Txhim kho qhov teeb pom kev uas twb muaj lawm nrog Kev Tswj Chaw Taws Teeb piav qhia qhov seem ntawm lub Circuit Court.

Qhov hluav taws xob muab los ntawm Toroidal Transformer sib txawv nrog cov thauj khoom tam sim no (saib hauv qab no kom paub meej ntxiv). Ntau qhov 7V xav tau los tsav lub zog yoj rectifier thiab zener. RL resistor tau xaiv los txwv qhov tam sim no los ntawm Zener rau ob peb mAs, hais tsawg dua 20mA. Muaj Toroidal cov khoom siv hluav taws xob uas sib txawv nrog kev thauj khoom tam sim no tsis muaj teeb meem ntau vim tias muaj ntau yam ntawm cov dej tam sim no zener tuaj yeem tswj tau, 0.1mA txog 900mA, uas muab ntau yam muaj qhov hluav taws xob poob thoob plaws RL thiab yog li muaj ntau yam kev lees paub Toroidal muab hluav taws xob. Tau kawg rau kev ua haujlwm tau zoo peb xav tau cov hluav taws xob tso tawm los ntawm lub toroid kom zoo dua sib xws yam uas xav tau.

Hloov kho: 13th Lub Xya Hli 2018-hloov RL nrog 3-davhlau tswj hwm

Ntawm kev txheeb xyuas cov cuab yeej tom qab ob peb lub hlis, qhov tam sim no txwv tsis pub tiv thaiv RL saib zoo li kub hnyiab me ntsis, yog li qhov kev hloov pauv toroidal Circuit Court tau hloov pauv (hloovCircuit.pdf) kom siv 3-davhlau ya nyob twg tam sim no txwv.

Z1 (bi-directional zener) tau ntxiv los txwv qhov ntsuas qhov ntsuas hluav taws xob ntawm thawj rau <12V thiab IC1 raws li ntxiv los txwv qhov tam sim no muab los ntawm qib thib ob rau ~ 10mA. Ib LM318AHV nrog qhov ntsuas hluav taws xob txwv ntawm 60V tau siv thiab Z2 txwv qhov hloov pauv hloov mus rau <36V los tiv thaiv LM318AHV.

Kauj Ruam 4: Tsim Toroidal Transformer

Lub tshuab hluav taws xob toroidal tau siv ntawm no vim tias nws muaj qhov sib nqus qis heev ntws tawm thiab yog li txo qis kev cuam tshuam nrog rau lwm qhov hauv Circuit Court. Muaj ob hom tseem ceeb ntawm toroid cores, hlau hmoov thiab ferrite. Txog qhov kev tsim no koj yuav tsum tau siv cov hmoov hlau uas yog tsim los rau lub zog siv. Kuv siv HY-2 core los ntawm Jaycar, LO-1246. 14.8mm Qhov Siab, 40.6mm OD, 23.6mm ID. Nov yog daim ntawv tshwj xeeb. Daim ntawv ntawd sau tseg tias T14, T27 thiab T40 toroids zoo ib yam yog li koj tuaj yeem sim ib qho ntawm qhov ntawd.

Kev hloov pauv hloov pauv yog qee yam ntawm kev kos duab vim yog qhov tsis sib xws ntawm B-H nkhaus, sib nqus hysteresis thiab cov tub ntxhais thiab xaim poob. Sib Nqus Inc muaj cov txheej txheem tsim uas zoo li ncaj qha rau pem hauv ntej, tab sis xav tau Excel thiab tsis ua haujlwm hauv Qhib Chaw Haujlwm, yog li kuv tsis tau siv nws. Hmoov zoo ntawm no koj tsuas yog xav tau qhov tsim ntxaws raug thiab koj tuaj yeem kho nws los ntawm kev ntxiv thawj zaug lossis nce RL. Kuv siv cov txheej txheem tsim hauv qab no thiab tau txais qhov hloov pauv tau thawj zaug, tom qab ntxiv qhov thib ob winding thawj. Kuv ua kom zoo dua tus naj npawb ntawm cov lem thiab cov txheej txheem winding rau qhov hloov pauv thib ob.

Cov qauv tsim qauv yooj yim yog:-

• Yuav tsum muaj kev hloov pauv txaus hauv thaj chaw sib nqus (H) hauv cov tub ntxhais kom kov yeej B-H nkhaus hysteresis, tab sis tsis txaus kom txaus cov tub ntxhais. i.e. hais 4500 txog 12000 Gauss.
• Thawj Volts nyob ntawm:- qhov inductance ntawm thawj winding thiab lub zog zaus muab lub reactance thiab tom qab ntawd los ntawm qhov thauj khoom tam sim no los muab thawj winding qhov voltage.
• Cov theem hluav taws xob thib ob nyob ntawm, ntxhib, ntawm qhov hloov pauv qib thib ob rau thawj lub sijhawm thawj cov volts. Kev poob tub ntxhais thiab kev tiv thaiv tsis tau txhais tau hais tias cov zis ib txwm tsawg dua li qhov kev hloov pauv zoo.
• Cov theem hluav taws xob thib ob xav tau ntau dua 6.8V (== 5.6V (zener) + 2 * 0.6V (rectifier diodes)) kom txaus ntawm AC lub voj voog kom muab qhov nruab nrab tam sim no los ntawm zener ntau dua tom qab ob peb mA kom muaj zog BLE Circuit.
• Thawj qhov loj ntawm cov xov hlau yuav tsum tau xaiv kom muaj peev xwm nqa tag nrho cov load tam sim no. Qhov thib ob feem ntau tsuas yog nqa mA tom qab tso RL limiting resistor yog li qhov thib ob winding xaim loj tsis tseem ceeb.

Kauj Ruam 5: Kev Tsim Qauv rau 50Hz Mains

Toroid Inductance per Turn Calculator yuav suav qhov inductance thiab Gauss/Amp rau ib tus lej ntawm qhov tig, muab qhov ntev ntawm lub qhov rooj thiab qhov nkag mus, ui.

Rau daim ntawv thov no, chav teeb rooj teeb, lub teeb tam sim no yog kwv yees li 0.9A. Piv txwv tias yog 2: 1 theem nce kev hloov pauv thiab ntau dua 6.8V ncov ntawm theem ob ces qhov siab tshaj qhov xav tau yuav tsum siab dua 6.8 / 2 = 3.4V Peak / sqrt (2) == AC RMS volts yog li thawj RMS volts xav tau kom loj dua 3.4 / 1.414 = 2.4V RMS. Yog li cia ua lub hom phiaj rau thawj RMS volts ntawm hais txog 3V AC.

Thawj qhov hluav taws xob nyob ntawm lub sijhawm ua haujlwm rov ua haujlwm tam sim no piv txwv li 3/0.9 = 3.33 thawj cov tshuaj tiv thaiv. Cov reactance rau winding yog muab los ntawm 2 * pi * f * L, qhov twg f yog zaus thiab L yog qhov inductance. Yog li rau 50Hz lub ntsiab lus L = 3.33 / (2 * pi * 50) == 0.01 H == 10000 uH

Siv Toroid Inductance per Turn Calculator thiab tso lub toroid qhov ntev ntawm 14.8mm Qhov Siab, 40.6mm OD, 23.6mm ID, thiab xav tias 150 rau ui muab rau 200 tig 9635uH thiab 3820 Gauss/A Nco tseg: ui tau teev nyob hauv qhov tshwj xeeb raws li 75 tab sis rau qib qis ntawm qhov ntom ntom ntom ntom siv ntawm no, 150 yog ze rau qhov tseeb. Qhov no tau txiav txim siab los ntawm kev ntsuas qhov kawg coil thawj qhov hluav taws xob. Tab sis tsis txhob txhawj xeeb txog ntau txog tus lej tseeb raws li koj tuaj yeem kho thawj qhov winding tom qab.

Yog li siv 200 tig muab, rau 50Hz, f, muab cov reactance == 2 * pi * f * L == 2 * 3.142 * 50 * 9635e-6 = 3.03 thiab yog li cov volts hla thawj qhov cua ntawm 0.9A RMS AC yog 3.03 * 0.9 = 2.72V RMS rau qhov siab tshaj ntawm 3.85V thiab qib siab thib ob ntawm 7.7V, piv txwv tias yog 2: 1 theem nce kev hloov pauv.

Qhov siab tshaj plaws Gauss yog 3820 Gauss / A * 0.9A == 4861 Gauss uas tsawg dua 12000 Gauss saturation qib rau cov tub ntxhais no.

Rau qhov 2: 1 tus hloov pauv theem thib ob winding xav tau kom muaj 400 tig. Kuaj pom tias qhov kev tsim qauv no ua haujlwm thiab RL txwv kev tiv thaiv ntawm 150 ohms muab lub zener tam sim no kwv yees li ntawm 6mA.

Thawj qhov loj ntawm cov xaim tau suav nrog Siv Xam lub ntsiab hluav taws xob hloov pauv hluav taws xob - Xaiv txoj cai xaim. Rau 0.9A cov nplooj ntawv web muab 0.677 mm dia. Yog li 0.63mm dia enamelled hlau (Jaycar WW-4018) tau siv rau thawj thiab 0.25mm dia enamelled xaim (Jaycar WW-4012) tau siv rau qib thib ob.

Kev tsim kho lub tshuab hloov pauv tau siv ib qho thib ob winding ntawm 400 tig ntawm 0.25mm dia enamelled xaim thiab ob (2) thawj windings ntawm 200 tig txhua ntawm 0.63mm dia enamelled xaim. Qhov kev teeb tsa no ua rau cov hloov pauv tau teeb tsa los ua haujlwm nrog thauj khoom tam sim no hauv thaj tsam 0.3A txog 2A piv txwv li (33W txog 220W ntawm 110V lossis 72W txog 480W ntawm 240V). Kev txuas cov kab hluav taws xob tseem ceeb yog ua ntu zus, muab ob npaug ntawm qhov inductance thiab tso cai hloov pauv kom siv rau qhov dej qis li 0.3A (33W ntawm 110V lossis 72W ntawm 240V) nrog RL == 3R3 thiab txog 0.9A nrog RL = 150 ohms. Txuas ob txoj hlua tseem ceeb sib txuas ob npaug ntawm lawv lub peev xwm nqa tam sim no thiab muab rau thauj tam sim no ntawm 0.9A rau 2A (220W ntawm 110V thiab 480W ntawm 240V) nrog RL uas tsim nyog.

Rau kuv daim ntawv thov tswj 200W ntawm lub teeb ntawm 240V, Kuv txuas cov cua sib txuas ua ke thiab siv 47 ohms rau RL. Qhov no ua tau zoo sib xws qhov hluav taws xob tso tawm rau qhov xav tau thaum tso cai rau lub Circuit Court tseem ua haujlwm rau kev thauj mus rau 150W yog tias ib lossis ntau qhov muag teev tsis ua haujlwm.

Kauj Ruam 6: Kev hloov kho tig rau 60Hz Mains

Ntawm 60 Hz qhov reactance yog 20% siab dua yog li koj tsis xav tau ntau yam tig. Txij li qhov inductance sib txawv raws li N^2 (tig ua plaub fab) qhov twg N yog tus lej ntawm cov lem. Txog 60Hz tshuab koj tuaj yeem txo tus naj npawb ntawm kev hloov los ntawm kwv yees li 9%. Ntawd yog 365 tig rau qib thib ob thiab 183 tig rau txhua lub hauv paus los npog 0.3A txog 2A raws li tau piav qhia saum toj no.

Kauj Ruam 7: Tsim Kom Muaj Kev Nyuaj Siab Ntau Tshaj, 10A 60Hz Piv Txwv

Kev xa rov qab siv nyob rau hauv txoj haujlwm no tuaj yeem hloov pauv lub zog tiv thaiv tam sim no txog 16A. Kev tsim qauv saum toj no yuav ua haujlwm rau 0.3A txog 2A. Saum toj no lub toroid pib saturate thiab thawj winding xaim loj tsis loj txaus los nqa lub zog tam sim no. Qhov tshwm sim, tau lees paub los ntawm kev ntsuas nrog 8.5A thauj khoom, yog qhov hloov pauv kub ntxhiab.

Raws li qhov piv txwv ntawm kev tsim khoom hnyav, cia tsim rau 10A load hauv 60Hz 110V system. Qhov ntawd yog 1100W ntawm 110V.

Xav tias thawj qhov hluav taws xob ntawm hais 3.5V RMS thiab 2: 1 hloov pauv tso cai rau qee qhov poob, tom qab ntawd thawj qhov xav tau yog 3.5V / 10A = 0.35. Rau 60Hz qhov no cuam tshuam txog qhov inductance ntawm 0.35/(2 * pi * 60) = 928.4 uH

Siv ui ntawm 75 lub sijhawm no, raws li qhov ntom ntom ntom ntom yuav siab dua, saib hauv qab no, ob peb qhov kev sim ntawm tus lej tig hauv Toroid Inductance per Turn Calculator muab 88 tig rau thawj zaug thiab 842 Gauss / A rau cov nthwv dej ntws lossis 8420 Gauss ntawm 10A uas tseem nyob hauv 12000 Gauss saturation txwv. Nyob rau qib no ntawm cov dej ntws kuv yog tej zaum tseem siab dua 75 tab sis koj tuaj yeem kho tus lej ntawm thawj zaug thaum koj ntsuas lub tshuab hloov pauv hauv qab no.

Xam lub ntsiab hluav taws xob hloov pauv hluav taws xob muab cov hlau loj ntawm 4mm^2 hla ntu lossis 2.25mm dia lossis kab tias me ntsis hais ob lub ntsiab lus ntawm 88 tig txhua ntawm 2mm^2 ntu ntu piv txwv li 1.6mm dia hlau, txuas ua ke kom muab tag nrho ntawm 4mm^2 ntu ntu.

Txhawm rau tsim thiab ntsuas qhov kev tsim no, cua 176 tig thib ob winding (muab ob zaug tso zis hluav taws xob ib yam li ua ntej) thiab tom qab ntawd cua tsuas yog ib qho 88 tig thawj ntawm 1.6mm dia hlau. Nco tseg: Tawm xov hlau ntxiv rau yav dhau los yog li koj tuaj yeem txuas ntxiv yog tias xav tau. Tom qab ntawd txuas 10A thauj khoom thiab pom tias qhov thib ob tuaj yeem muab qhov hluav taws xob/tam sim no xav tau los ua haujlwm BLE Circuit Court. 1.6mm dia hlau tuaj yeem tiv taus 10A rau lub sijhawm luv luv uas koj tab tom ntsuas theem ob.

Yog tias muaj cov hluav taws xob txaus, txiav txim siab RL qhov tsim nyog los txwv qhov tam sim no, thiab tej zaum yuav tshem tawm ob peb zaug yog tias muaj qhov hluav taws xob ntau dhau. Txwv tsis pub yog tias tsis muaj qhov ntsuas hluav taws xob txaus thib ob, ntxiv qee qhov hloov pauv mus rau thawj qhov kom nce qhov pib qhov hluav taws xob thiab yog li qhov thib ob qhov hluav taws xob. Thawj qhov hluav taws xob nce ntxiv raws li N^2 thaum qhov hluav taws xob theem qis qis dua li ntawm 1/N vim qhov kev hloov pauv hloov pauv, yog li ntxiv thawj cov cua yuav ua rau nce qib thib ob.

Thaum koj tau txiav txim siab tus naj npawb ntawm thawj qhov koj xav tau, koj tuaj yeem tso cua thib ob qhov cua ntsawj ntshab mus ua ke nrog thawj qhov los muab lub peev xwm nqa tag nrho tam sim no.

Kauj Ruam 8: Winding Toroidal Transformer

Txhawm rau cua tshuab hloov pauv koj thawj zaug yuav tsum tau xaim xov hlau mus rau qhov qub uas yuav haum los ntawm lub toroid.

Ua ntej xam seb koj xav tau xaim ntau npaum li cas. Rau Jaycar, LO-1246 toroid txhua tig yog li 2 x 14.8 + 2 * (40.6-23.6)/2 == 46.6mm. Yog li rau 400 tig koj xav tau txog 18.64m ntawm xaim.

Tom ntej no xam qhov loj ntawm ib zaug tig rau qhov qub uas koj yuav siv. Kuv siv tus xaum xaum txog 7.1mm dia uas muab qhov ntev tig ntawm pi * d = 3.14 * 7.1 == 22.8mm ib zaug. Yog li rau 18.6m ntawm xaim kuv xav tau txog 840 tig ntawm qhov qub. Ntau dua li suav qhov tig yuav mus rau yav dhau los, Kuv suav qhov kwv yees ntev ntawm 840 tig, piv txwv tias 0.26mm dia hlau (loj dua me ntsis qhov tseeb 0.25mm dia ntawm xaim). 0.26 * 840 = 220mm ntev winding ntawm kaw qhov txhab tig kom tau 18.6m ntawm xaim rau yav dhau los. Txij li tus xaum ntawv tsuas yog 140mm ntev kuv yuav xav tau tsawg kawg 2.2 txheej ntawm 100mm ntev txhua. Thaum kawg kuv tau ntxiv txog 20% xaim ntxiv txhawm rau txhawm rau lub qhov cua ntsawj ntshab thiab nce qhov ntev tig ntawm lub toroid rau txheej thib ob thiab ua tiag tso 3 txheej ntawm 100mm ntev txhua ntawm tus xaum xaum.

Txhawm rau xaim xov hlau mus rau tus xaum ntawv qub Kuv tau siv qhov nrawm nrawm nrawm nias kom tig cov xaum. Siv qhov ntev ntawm cov khaubncaws sab nraud povtseg raws li phau ntawv qhia, Kuv tsis tas yuav suav cov lem. Koj kuj tseem tuaj yeem siv lub laum tes txuas rau hauv tus lej.

Tuav lub toroid nyob rau hauv lub puab tsaig muag muag uas tuaj yeem tig lub puab tsaig kom tuav lub toroid kab rov tav, Kuv ua rau lub qhov txhab thib ob ua ntej. Pib nrog txheej txheej nyias daim kab xev nyob ib ncig ntawm sab nraud ntawm lub hauv paus kom pab ua kom cov hlau nyob hauv qhov chaw thaum kuv raug mob. Kuv ntxiv lwm txheej ntawm kais ntawm txhua txheej los pab khaws cov khoom hauv qhov chaw. Koj tuaj yeem pom txheej txheej kawg ntawm kais hauv daim duab saum toj no. Kuv yuav tus tshwj xeeb rau txoj haujlwm no, Stanley Multi Angle Hobby Vice. Nws tau zoo tsim nyog cov nyiaj.

Kev sib piv zoo ib yam tau ua tiav los npaj qhov qub winding rau ob txoj hlua tseem ceeb. Txawm hais tias yog qhov xwm txheej kuv ntsuas qhov loj ntawm lub toroid, nrog rau qhov thib ob winding nyob rau hauv qhov chaw, los laij qhov ntev tig. Saum toj no yog daim duab ntawm lub tshuab hloov pauv nrog lub qhov txhab thib ob thiab xaim rau thawj qhov kev sib tw ntawm tus qub npaj rau pib winding.

Kauj Ruam 9: Kev tsim kho

Txog qhov qauv no kuv rov siv ib qho ntawm PCB cov lus piav qhia hauv Retrofit Qhov Teeb Pom Kev Zoo nrog Kev Tswj Chaw Taws Teeb thiab txiav ob txoj kab thiab ntxiv qhov txuas los teeb tsa nws rau lub toroid.

Lub toroid tau teeb tsa sib cais thiab cov hluav taws xob tiv thaiv tau tso ncaj qha hla qhov thib ob winding.

Tus ntxhais lub rooj tsavxwm tau siv los txhawm rau txhim kho lub yoj tag nrho thiab RL.

Tus tiv thaiv kev tiv thaiv yog ib qho ntxiv. Thaum kuv thawj zaug sim tag nrho cov hluav taws xob nrog 0.9A thauj khoom, Kuv hnov lub suab tawg thaum siv pfodApp kom tig lub nraub qaum. Kev tshuaj xyuas ze tau pom qhov me me tawm ntawm RL thaum qhib. Thaum tig tag nrho 240V RMS (340V ncov) tau siv thoob plaws qhov tseem ceeb ntawm lub toroid thaum lub sijhawm hloov pauv. Qhov thib ob, nrog rau qhov sib piv ntawm 2: 1, tau tsim txog 680V uas yog txaus los ua kom tawg ntawm RL thiab ib txoj kev nyob ze. Tshem tawm qhov ze los ntawm txoj kab thiab ntxiv 30.8V AC kev tiv thaiv hluav taws xob hla cov kauj thib ob daws qhov teeb meem no.

Kauj Ruam 10: Programming BLE Nano thiab Txuas

Cov cai hauv BLE Nano yog tib yam uas tau siv hauv Kev Kho Kom Zoo Dua Ib Leeg Teeb nrog Kev Tswj Chaw Taws Teeb thiab qhov haujlwm ntawd tham txog cov cai thiab yuav ua haujlwm li cas rau Nano. Tsuas yog kev hloov pauv rau BLE lub npe tshaj tawm thiab cov lus pom tshwm ntawm pfodApp. Txuas ntawm pfodApp los ntawm Android mobile qhia lub pob no.

Lub Circuit Court saib xyuas qhov hluav taws xob uas siv rau lub nra kom raug tso saib lub pob daj thaum lub zog thauj khoom los ntawm kev hloov chaw deb lossis los ntawm phau ntawv hla dhau.

Xaus

Txoj haujlwm no txuas ntxiv Txhim Kho Qhov Teeb Pom Kev Muaj Teeb nrog Kev Tswj Chaw Taws Teeb kom tso cai rau koj kom tswj tau ntau lub kilowatts ntawm kev thauj khoom los ntawm kev ntxiv qhov hluav taws xob no mus rau qhov hloov pauv uas twb muaj lawm. Tsis xav tau txuas ntxiv thiab thawj qhov txuas txuas ntxiv ua haujlwm raws li phau ntawv hla dhau thaum tseem tso cai rau koj tig lub nraub qaum tom qab koj tau siv phau ntawv hla kev hloov pauv kom nws OFF

Yog tias cov chaw taws teeb tswj hluav taws xob yuav tsum ua tsis tiav, lossis koj tsis tuaj yeem pom koj lub xov tooj ntawm tes, phau ntawv hla kev hloov pauv tseem ua haujlwm ntxiv.

Mus tom ntej, rov kho koj lub tsev hloov lub teeb nrog BLE Nano V2 tswj cov qauv uas txhawb nqa Bluetooth V5 txhais tau tias yav tom ntej koj tuaj yeem teeb tsa lub tsev dav siv tshuab sib txuas siv Bluetooth V5 Mesh.