DIY Arduino Roj Teeb Peev Tester - V2.0: 11 Cov Kauj Ruam (nrog Duab)

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:26

Tam sim no cov roj teeb Lithium thiab NiMH cuav nyob txhua qhov chaw uas tau muag los ntawm kev tshaj tawm nrog lub peev xwm siab dua li lawv lub peev xwm tiag. Yog li nws yog qhov nyuaj tiag tiag kom paub qhov txawv ntawm qhov tiag thiab lub roj teeb cuav. Ib yam li ntawd, nws nyuaj rau paub lub peev xwm khaws cia hauv khaws cia 18650 lub laptop roj teeb. Yog li, yuav tsum muaj lub cuab yeej ntsuas lub peev xwm tseeb ntawm lub roj teeb.

Xyoo 2016, Kuv tau sau Cov Lus Qhia ntawm "Arduino Capacity Tester - V1.0" uas yog qhov ncaj ncaj rau pem hauv ntej thiab yooj yim ntaus ntawv. Cov ntawv ua ntej tau ua raws Ohms Law. Lub roj teeb uas yuav raug sim raug tso tawm los ntawm tus tiv thaiv ruaj khov, tam sim no thiab lub sijhawm ntev yog ntsuas los ntawm Arduino thiab lub peev xwm raug suav los ntawm kev sib tw ob qho tib si nyeem (Tshaj tawm tam sim no thiab sijhawm).

Qhov tsis zoo ntawm qhov ua ntej yog tias thaum lub sijhawm ntsuas, raws li lub roj teeb hluav taws xob poob qis, tam sim no kuj txo qis uas ua rau cov lus teb nyuaj thiab tsis raug. Txhawm rau kov yeej qhov no, Kuv tau ua V2.0 uas tau tsim los hauv txoj hauv kev uas tam sim no yuav nyob tas li thoob plaws hauv cov txheej txheem tso tawm. Kuv ua cov cuab yeej no los ntawm kev txhawb siab thawj qhov tsim los ntawm MyVanitar

Cov yam ntxwv tseem ceeb ntawm Capacity Tester V2.0 yog:

1. Muaj peev xwm ntsuas lub peev xwm ntawm AA / AAA NiMh / NiCd, 18650 Li-ion, Li-Polymer, thiab Li FePO4 roj teeb. Nws yog qhov tsim nyog rau yuav luag txhua yam roj teeb uas ntsuas qis dua 5V.

2. Cov neeg siv tuaj yeem teeb tsa qhov tso tawm tam sim no los ntawm kev siv lub pob nyem.

3. OLED neeg siv interface

4. Cov cuab yeej tuaj yeem siv los ua Cov Khoom Siv Hluav Taws Xob

Hloov tshiab rau 02.12.2019

Tam sim no koj tuaj yeem xaj PCB thiab cov khoom sib xyaw ua ke hauv pob khoom los ntawm PCBWay

Kev tsis lees paub: Thov nco ntsoov tias koj tab tom ua haujlwm nrog Li-Ion roj teeb uas yog qhov tawg heev thiab txaus ntshai. Kuv tsis tuaj yeem tuav lub luag haujlwm rau qhov poob ntawm cov khoom, kev puas tsuaj, lossis kev ploj txoj sia yog tias nws los txog rau qhov ntawd. Phau ntawv qhia no tau sau rau cov neeg uas muaj kev paub txog kev siv roj teeb lithium-ion thev naus laus zis. Thov tsis txhob sim qhov no yog tias koj yog ib tus neeg tshiab. Nyob Nyab Xeeb.

Khoom siv

Cheebtsam Siv

Tam sim no xaj PCB thiab txhua yam khoom siv los tsim txoj haujlwm no hauv cov khoom siv los ntawm PCBWay

1. PCB: PCBWay

2. Arduino Nano: Amazon / Banggood

3. Opamp LM358: Amazon / Banggood

4. 0.96 OLED zaub: Amazon / Banggood

5. Ceramic Resistor: Amazon / Banggood

6. Capacitor 100nF: Amazon / Banggood

7. Capacitor 220uF: Amazon / Banggood

8. Resistors 4.7K & 1M: Amazon / Banggood

9. Push Button: Amazon / Banggood

10. Push-Buttons Cap: Aliexpress

11. Ntsia Hlau Terminal: Amazon / Banggood

12. Pawg Thawj Coj: Amazon / Banggood

13. PCB Stand-off: Amazon / Banggood

14. Heatshrink Tubing: Amazon/ Banggood

15. Heatsink: Aliexpress

Cov Cuab Yeej Siv

1. Soldering Iron: Amazon / Banggood

2. Clamp Meter: Amazon / Banggood

3. Multimeter: Amazon / Banggood

4. Cov Cua Kub Cua: Amazon / Banggood

5. Hlau Cutter: Amazon / Banggood

6. Hlau Stripper: Amazon / Banggood

Kauj Ruam 1: Daim duab qhia chaw

Tag nrho cov schematic tau muab faib ua cov hauv qab no:

1. Cov Khoom Siv Hluav Taws Xob

2. Tam sim no thauj khoom Circuit Court

3. Roj teeb ntsuas qhov ntsuas hluav taws xob

4. Tus neeg siv kev sib txuas Circuit

5. Buzzer Circuit

1. Cov Khoom Siv Hluav Taws Xob

Cov khoom siv hluav taws xob suav nrog DC Jack (7-9V) thiab ob lub lim dej lim C1 thiab C2. Lub zog tso tawm (Vin) txuas nrog Arduino tus pin Vin. Ntawm no kuv tab tom siv Arduino on-board tus tswj hluav taws xob txhawm rau nqis qis qhov hluav taws xob mus rau 5V.

2. Tam sim no thauj khoom Circuit Court

Lub hauv paus tseem ceeb ntawm Circuit yog Op-amp LM358 uas muaj ob lub tshuab ua haujlwm ua haujlwm. PWM teeb liab los ntawm Arduino tus pin D10 raug lim los ntawm lub lim lim qis (R2 thiab C6) thiab pub rau lub zog ua haujlwm thib ob. Qhov tsim tawm ntawm qhov thib ob op-amp txuas nrog thawj op-amp hauv qhov ua raws qhov ntsuas hluav taws xob. Lub zog xa hluav taws xob rau LM358 tau lim los ntawm lub tshuab txiav tawm C5.

Thawj op-amp, R1, thiab Q1 tsim qhov kev thauj khoom tam sim no tsis tu ncua. Yog li tam sim no peb tuaj yeem tswj hwm qhov tam sim no los ntawm kev tiv thaiv load (R1) los ntawm kev hloov pauv PWM teeb liab mem tes dav.

3. Roj teeb ntsuas qhov ntsuas hluav taws xob

Lub roj teeb hluav taws xob tau ntsuas los ntawm Arduino analog input pin A0. Ob lub tshuab hluav taws xob C3 thiab C4 tau siv los lim tawm cov suab nrov los ntawm qhov tam sim no thauj khoom hauv Circuit Court uas tuaj yeem ua rau ADC hloov pauv kev ua tau zoo.

4. Tus neeg siv kev sib txuas Circuit

Tus neeg siv kev sib txuas ntawm lub xov tooj yog muaj ob lub laub-khawm thiab 0.96 I2C OLED zaub. Qhov nce thiab nqis laub-khawm yog txhawm rau nce lossis txo PWM qhov siab ntawm lub plawv. -button. C7 thiab C8 tau siv los nthuav tawm cov laub-khawm. Qhov thib peb nias-khawm (RST) yog siv rau rov pib dua Arduino.

5. Buzzer Circuit

Buzzer Circuit tau siv los ceeb toom qhov pib thiab qhov kawg ntawm qhov kev sim. Lub 5V buzzer tau txuas rau Arduino tus pin D9.

Kauj Ruam 2: Nws Ua Haujlwm Li Cas?

Txoj kev xav yog ua raws qhov sib piv qhov hluav taws xob ntawm kev hloov pauv (tus pin-2) thiab cov tsis hloov pauv (tus pin-3) cov tswv yim ntawm OpAmp, teeb tsa ua lub zog sib koom ua ke. Thaum koj teeb qhov hluav taws xob siv rau qhov tsis hloov pauv hloov pauv los ntawm kev hloov PWM teeb liab, qhov tso tawm ntawm opamp qhib lub qhov rooj ntawm MOSFET. Raws li MOSFET tig-rau, tam sim no sau los ntawm R1, nws tsim qhov poob qis, uas muab cov lus tsis zoo rau OpAmp. Nws tswj hwm MOSFET hauv txoj hauv kev uas qhov hluav taws xob ntawm nws qhov hloov pauv thiab tsis hloov pauv cov tswv yim sib npaug. Yog li, qhov tam sim no dhau los ntawm kev tiv thaiv load yog sib piv rau qhov hluav taws xob ntawm qhov tsis hloov pauv ntawm OpAmp.

PWM teeb liab los ntawm Arduino raug lim los ntawm kev siv lub lim lim qis (R2 thiab C1). Txhawm rau ntsuas PWM lub teeb liab thiab lim kev ua haujlwm hauv Circuit, Kuv tau txuas kuv DSO ch-1 ntawm cov tswv yim thiab ch-2 ntawm qhov tso tawm ntawm lub lim lim. Cov zis waveform yog qhia saum toj no.

Kauj Ruam 3: Kev Ntsuas Peev Xwm

Ntawm no Cov Roj Teeb tau tso tawm rau nws qhov qis-theem pib qhov hluav taws xob (3.2V).

Peev Xwm Roj Teeb (mAh) = Tam sim no (I) hauv mA x Lub Sijhawm (T) Hauv Sij Hawm

Los ntawm cov kab zauv saum toj no nws pom tseeb tias txhawm rau suav lub peev xwm roj teeb (mAh), peb yuav tsum paub tam sim no hauv mA thiab sijhawm hauv Teev. Cov qauv tsim hluav taws xob yog qhov tam sim no thauj khoom tam sim no, yog li qhov tso tawm tam sim no tseem nyob tas li nyob rau lub sijhawm ntsuas.

Kev tso tawm tam sim no tuaj yeem hloov kho los ntawm nias lub pob nce thiab nqis. Lub sijhawm sijhawm yog ntsuas los ntawm kev siv lub sijhawm nyob hauv Arduino code.

Kauj Ruam 4: Ua Circuit Court

Hauv cov kauj ruam dhau los, Kuv tau piav qhia txog kev ua haujlwm ntawm txhua lub Cheebtsam hauv Circuit Court. Ua ntej dhia mus ua lub rooj zaum zaum kawg, sim lub Circuit Court ntawm lub khob cij ua ntej. Yog tias lub voj voog ua haujlwm zoo kawg nkaus ntawm lub khob cij, tom qab ntawd txav mus rau cov khoom sib txuas ntawm cov pawg thawj coj.

Kuv siv 7cm X 5cm pawg thawj coj saib.

Mounting Nano: Ua ntej txiav ob kab ntawm poj niam lub taub hau tus pin nrog 15 tus pin hauv txhua. Kuv siv lub txiv kab ntxwv kab pheeb ces kaum txiav lub taub hau. Tom qab ntawd muab cov kab laug sab laug tso. Nco ntsoov qhov kev ncua deb ntawm ob txoj kab haum rau Arduino nano.

Mounting OLED Display: Txiav tus poj niam lub taub hau nrog 4pins. Tom qab ntawd muab tshuaj txhuam nws raws li qhia hauv daim duab.

Mounting cov davhlau ya nyob twg thiab cov khoom siv: Siv cov khoom seem uas seem raws li qhia hauv duab.

Kev Txuas Hluav Taws Xob: Ua cov thaiv raws li qhov ntsuas. Kuv tau siv cov xim xaim los xaim xaim kom kuv tuaj yeem txheeb xyuas lawv tau yooj yim.

Kauj Ruam 5: OLED Zaub

Txhawm rau tso tawm Lub Roj Teeb Hluav Taws Xob, tso tawm tam sim no thiab lub peev xwm, Kuv siv 0.96 OLED zaub. Nws muaj 128x64 daws teeb meem thiab siv I2C npav los sib txuas lus nrog Arduino. Ob tus pin SCL (A5), SDA (A4) hauv Arduino Uno tau siv. rau kev sib txuas lus.

Kuv tab tom siv Adafruit_SSD1306 lub tsev qiv ntawv los tso saib qhov ntsuas.

Ua ntej, koj yuav tsum rub tawm Adafruit_SSD1306. Tom qab ntawd teeb nws.

Cov kev sib txuas yuav tsum yog raws li hauv qab no

Arduino OLED

5 V -VCV

GND GND

A4- SDA

A5-- TSO

Kauj Ruam 6: Buzzer rau Ceeb Toom

Txhawm rau muab kev ceeb toom thaum pib thiab kev sib tw ntawm qhov kev sim, lub piezo buzzer tau siv. Lub suab nrov muaj ob lub davhlau ya nyob twg, qhov ntev dua yog qhov zoo thiab luv dua txhais ceg tsis zoo. Cov ntawv nplaum ntawm tus buzzer tshiab kuj tseem muaj " +" cim los qhia qhov davhlau ya nyob twg zoo.

Raws li pawg thawj coj tsis muaj chav txaus tso lub buzzer, Kuv tau txuas lub buzzer mus rau lub rooj tsav xwm tseem ceeb los ntawm kev siv ob lub xov hlau. Txhawm rau tiv thaiv qhov kev sib txuas liab qab, Kuv tau siv cov cua sov ntsws tubing.

Cov kev sib txuas yuav tsum yog raws li hauv qab no

Arduino Buzzer

D9 Lub davhlau ya nyob twg zoo

GND Tsis zoo lub davhlau ya nyob twg

Kauj Ruam 7: Mounting Standoffs

Tom qab siv cov hlua thiab txuas, nce qhov sawv ntawm 4 fab. Nws yuav muab kev tshem tawm kom txaus rau cov laug txuas thiab cov xov hlau los ntawm hauv av.

Kauj Ruam 8: PCB Tsim

Kuv tau kos cov txheej txheem los ntawm kev siv EasyEDA online software tom qab uas hloov mus rau PCB txheej txheem.

Tag nrho cov khoom koj tau ntxiv hauv cov txheej txheem yuav tsum nyob ntawd, sib sau ua ke ntawm ib sab, npaj kom tau muab tso thiab hloov mus. Luag cov khoom siv los ntawm kev tuav nws cov ntaub qhwv. Tom qab ntawd muab nws tso rau hauv kab duab plaub.

Teem tag nrho cov khoom sib xws hauv txoj hauv kev uas lub rooj tsav xwm nyob hauv qhov chaw tsawg. Qhov me me ntawm pawg thawj coj saib, qhov pheej yig dua yuav yog tus nqi tsim khoom PCB. Nws yuav muaj txiaj ntsig yog tias lub rooj tsavxwm no muaj qee qhov txuas rau ntawm nws kom nws tuaj yeem ntsia tau rau hauv ib lub thawv.

Tam sim no koj yuav tsum. Txoj kev taug yog qhov lom zem tshaj plaws ntawm tag nrho cov txheej txheem no. Nws zoo li daws qhov puzzle! Siv cov cuab yeej taug qab peb xav tau los txuas txhua yam khoom siv. Koj tuaj yeem siv ob sab saum toj thiab hauv qab txheej kom tsis txhob sib tshooj ntawm ob txoj kab sib txawv thiab ua kom luv dua.

Koj tuaj yeem siv txheej Silk los ntxiv cov ntawv rau hauv pawg thawj coj. Tsis tas li, peb muaj peev xwm ntxig daim duab duab, yog li kuv ntxiv ib daim duab ntawm kuv lub vev xaib logo los luam tawm ntawm lub rooj tsavxwm. Thaum kawg, siv cov cuab yeej siv tooj liab, peb yuav tsum tsim thaj tsam ntawm PCB.

Koj tuaj yeem xaj nws los ntawm PCBWay.

Sau npe PCBWay tam sim no kom tau txais daim coupon US $ 5. Qhov ntawd txhais tau tias koj thawj qhov kev xaj yog dawb ntawm tus nqi tsuas yog koj yuav tsum them tus nqi thauj khoom.

Thaum koj xaj khoom, Kuv yuav tau txais 10% kev pub dawb los ntawm PCBWay rau kev pab rau kuv txoj haujlwm. Koj qhov kev pab me me yuav txhawb kuv kom ua haujlwm zoo dua yav tom ntej. Ua tsaug rau koj kev koom tes.

Kauj Ruam 9: Sib dhos PCB

Rau Kev Txhim Kho, koj yuav xav tau Kev Txhim Kho Tus Hlau, Tus Kheej, Nipper thiab lub ntsuas qhov ntsuas. Muab cov khoom ua kom siab qhov tsawg dua ua ntej.

Koj tuaj yeem ua raws cov kauj ruam hauv qab no txhawm rau ua kom cov khoom sib xyaw:

1. Thawb cov ceg tiv thaiv los ntawm lawv lub qhov, thiab tig PCB rau nws sab nraub qaum.

2. Tuav qhov taub ntawm cov hlau txuas mus rau qhov sib txuas ntawm lub ncoo thiab ceg ntawm cov khoom siv.

3. Pub cov tshuaj txhuam rau hauv qhov sib koom ua ke kom nws ntws thoob plaws hauv txhuas thiab npog lub ncoo. Thaum nws tau ntws tag nrho ib puag ncig, txav qhov taub tawm.

Kauj ruam 10: Software & Tsev qiv ntawv

Ua ntej, rub daim Arduino Code txuas nrog. Tom qab ntawd rub tawm cov tsev qiv ntawv hauv qab no thiab nruab lawv.

Tsev qiv ntawv:

Rub tawm thiab teeb tsa cov tsev qiv ntawv hauv qab no:

1. JC_Button:

2. Adafruit_SSD1306:

Hauv txoj cai, koj yuav tsum hloov ob yam hauv qab no.

1. Tus nqi Arrays tam sim no: Qhov no tuaj yeem ua tiav los ntawm kev txuas lub multimeter hauv koob nrog lub roj teeb. Nias lub pob kom nce thiab ntsuas tam sim no, qhov txiaj ntsig tam sim no yog cov ntsiab lus ntawm cov khoom.

2. Vcc: Koj siv lub ntsuas ntsuas los ntsuas qhov hluav taws xob ntawm Arduino 5V tus pin. Hauv kuv qhov xwm txheej nws yog 4.96V.

Hloov tshiab ntawm 20.11.2019

Koj tuaj yeem hloov tus nqi Low_BAT_Level hauv cov cai raws li lub roj teeb chemistry. Nws yog qhov zoo dua los nqa me ntsis ntawm qhov txiav tawm qhov hluav taws xob tau hais hauv qab no.

Nov yog tus nqi tso tawm thiab txiav tawm qhov hluav taws xob rau ntau yam Lithium-Ion Roj teeb chemistries:

1. Lithium Cobalt Oxide: Txiav Tawm Voltage = 2.5V ntawm 1C tso tawm tus nqi

2. Lithium Manganese Oxide: Txiav Tawm Voltage = 2.5V ntawm 1C tso tawm tus nqi

3. Lithium Iron Phosphate: Txiav Tawm Voltage = 2.5V ntawm 1C tso tawm tus nqi

4. Lithium Titanate: Txiav Tawm Voltage = 1.8V ntawm 1C tso tawm tus nqi

5. Lithium Nickel Manganese Cobalt Oxide: Txiav Tawm Voltage = 2.5V ntawm 1C tso tawm tus nqi

6. Lithium Nickel Cobalt Aluminium Oxide: Txiav Tawm Voltage = 3.0V ntawm 1C tso tawm tus nqi

Hloov kho rau 01.04.2020

jcgrabo, qhia qee qhov kev hloov pauv rau qhov tsim thawj los txhim kho qhov tseeb. Cov kev hloov pauv tau teev tseg hauv qab no:

1. Ntxiv qhov tseeb siv (LM385BLP-1.2) thiab txuas nrog A1. Thaum teeb tsa, nyeem nws tus nqi uas paub tias yog 1.215 volts, thiab tom qab ntawd suav Vcc yog li tshem tawm qhov xav tau los ntsuas Vcc.

2. Hloov 1 ohm 5% resistor nrog 1 ohm 1% lub zog tiv thaiv yog li txo qhov ua yuam kev uas nyob ntawm tus nqi ntawm qhov tsis kam.

3. Tsis yog siv teeb tsa PWM qhov tseem ceeb rau txhua kauj ruam tam sim no (nce ntxiv ntawm 5) tsim cov kab ke ntawm qhov xav tau tam sim no uas siv los suav qhov tsim nyog PWM qhov tseem ceeb kom ua tiav cov txiaj ntsig tam sim no kom ze li sai tau. Nws ua raws qhov ntawd los ntawm kev suav tus nqi tam sim no uas yuav ua tiav nrog suav PWM qhov tseem ceeb.

Los ntawm kev txiav txim siab cov kev hloov pauv saum toj no, nws tau hloov kho cov cai thiab qhia nws hauv nqe lus pom. Cov cai hloov kho tshiab txuas nrog hauv qab no.

Ua tsaug ntau jcgrabo rau koj txoj kev koom tes muaj txiaj ntsig rau kuv txoj haujlwm. Kuv vam tias qhov kev txhim kho no yuav pab tau rau ntau tus neeg siv.

Kauj Ruam 11: Xaus

Txhawm rau sim lub Circuit Court, thawj zaug kuv tau them lub roj teeb zoo Samsung 18650 siv kuv li ISDT C4 Charger. Tom qab ntawd txuas lub roj teeb rau lub roj teeb davhlau ya nyob twg. Tam sim no teeb tsa tam sim no raws li qhov koj xav tau thiab ntev-nias lub pob "UP". Tom qab ntawd koj yuav tsum hnov lub suab nrov nrov thiab cov txheej txheem sim pib. Thaum ntsuas, koj yuav saib xyuas txhua qhov ntsuas ntawm OLED zaub. Lub roj teeb yuav tso tawm kom txog thaum nws qhov hluav taws xob nce mus txog nws qib qis (3.2V). Cov txheej txheem sim yuav ua tiav los ntawm ob lub suab nrov ntev.

Nco tseg: Txoj haujlwm tseem tab tom txhim kho theem. Koj tuaj yeem koom nrog kuv rau txhua yam kev txhim kho. Tsa tawm lus yog tias muaj qhov ua yuam kev lossis tsis raug. Kuv tab tom tsim PCB rau txoj haujlwm no. Nyob txuas nrog rau kev hloov kho tshiab rau txoj haujlwm.

Vam tias kuv cov lus qhia yuav pab tau. Yog tias koj nyiam nws, tsis txhob hnov qab qhia:) Sau npe yuav ua rau ntau DIY cov haujlwm. Ua Tsaug.