DC Tsav Tsav Tsheb Siv Lub Hwj Chim Mosfets [PWM Tswj, 30A Ib Nrab Choj]: 10 Kauj Ruam

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

Lub hauv paus tseem ceeb (Rub Gerber/xaj PCB):

Kauj ruam 1:

DC motors muaj nyob txhua qhov chaw, los ntawm kev nyiam ua haujlwm rau neeg hlau thiab thaj chaw ua haujlwm. Yog li ntawd muaj kev siv dav thiab thov kom tsim nyog thiab muaj zog DC tsav tsheb. Hauv kab lus no, peb yuav kawm tsim ib qho. Koj tuaj yeem tswj nws siv Microcontroller, Arduino, Raspberry Pi lossis txawm tias ib leeg PWM lub tshuab hluav taws xob nti. Los ntawm kev siv lub rhaub dej kub kom raug thiab ua kom txias, cov kab hluav taws xob no tuaj yeem tswj cov dej ntws mus txog 30A.

[1]: Kev Tshawb Fawb Lub plawv ntawm lub Circuit Court yog IR2104 MOSFET tsav tsheb nti [1]. Nws yog qhov nrov thiab siv tau MOSFET tsav IC. Daim duab qhia chaw ntawm daim duab qhia hauv daim duab-1.

Kauj Ruam 2: Daim duab-1, Daim duab qhia chaw ntawm Lub Hwj Chim Tsav Tsheb Loj DC

Kauj ruam 3:

Raws li daim ntawv IR2104 [1]: "IR2104 (S) yog qhov muaj hluav taws xob siab, siv hluav taws xob ceev MOSFET thiab IGBT cov tsav tsheb nrog cov siab thiab qis sab hais txog cov zis. Cov tswv cuab HVIC thiab cov cuab yeej tiv thaiv CMOS thev naus laus zis ua rau muaj kev tsim kho kom ruaj khov. Cov tswv yim logic yog sib xws nrog tus qauv CMOS lossis LSTTL cov zis, nqis mus rau 3.3V cov laj thawj. Cov tsav tsheb tso tawm muaj qhov siab siab tam sim no tsis theem tsim los rau kev tsav tsheb yam tsawg kawg nkaus hla kev. Cov ntab ntab tuaj yeem siv los tsav N-channel lub zog MOSFET lossis IGBT hauv kev teeb tsa sab siab uas ua haujlwm los ntawm 10 txog 600 volts. " IR2104 tsav MOSFETs [2] hauv ib nrab-choj teeb tsa. Tsis muaj teeb meem nrog lub peev xwm nkag siab ntawm IRFP150 MOSFETs. Tias yog vim li cas vim li cas MOSFET cov tsav tsheb zoo li IR2104 muaj txiaj ntsig. Cov capacitors C1 thiab C2 tau siv los txo lub cav lub suab nrov thiab EMI. Qhov siab tshaj plaws tau MOSFETs qhov hluav taws xob yog 100V. Yog li kuv siv 100V cov ntsuas hluav taws xob tsawg kawg. Yog tias koj paub tseeb tias koj lub zog thauj khoom tsis dhau qhov pib (piv txwv li 12V DC lub cev muaj zog), tom qab ntawd koj tuaj yeem txo qhov hluav taws xob ntawm cov khoom siv hluav taws xob mus rau 25V piv txwv thiab nce lawv cov peev txheej hloov pauv (piv txwv li 1000uF-25V). SD tus pin tau rub qis nrog 4.7K resistor. Tom qab ntawd koj yuav tsum tau siv lub xeev khov kho qib kev xav ntawm qhov ntsuas hluav taws xob rau tus pin no kom qhib lub nti. Koj yuav tsum hno koj lub plawv dhia PWM rau IN tus pin ib yam nkaus.

[2]: PCB Board

PCB txheej txheem ntawm cov txheej txheem qhia hauv daim duab -2. Nws tau tsim nyob rau hauv ib txoj hauv kev kom txo tau lub suab nrov thiab dhau mus los pab kev ruaj ntseg ntawm lub cuab yeej.

Kauj Ruam 4: Daim duab-2, Tsim PCB Txheej Txheem rau Lub Tshuab Tsav Tsheb Schematic

Kuv tsis muaj PCB hneev taw thiab cov cim qhia ntawm IR2104 [1] thiab IRFP150 [2] cov khoom. Yog li kuv siv SamacSys muab cov cim [3] [4], tsis txhob nkim kuv lub sijhawm thiab tsim cov tsev qiv ntawv los ntawm kos. Koj tuaj yeem siv "lub tshuab tshawb nrhiav" lossis CAD plugin. Vim tias kuv siv Altium Designer los kos cov duab thiab PCB, Kuv ncaj qha siv SamacSys Altium plugin [5] (daim duab-3).

Kauj Ruam 5: Daim duab-3, Xaiv Lub Tsev Qiv Ntawv rau IR2104 thiab IRFN150N

Daim duab-4 qhia pom 3D saib ntawm PCB pawg thawj coj saib. 3D pom txhim kho cov txheej txheem tshuaj xyuas ntawm lub rooj tsavxwm thiab cov khoom tso rau hauv.

Kauj Ruam 6: Daim duab-4, 3D Saib ntawm Tsav Tsheb PCB Board

[3] Los ua ke Yog li cia peb tsim thiab tsim lub Circuit Court. Kuv nyuam qhuav siv lub rooj PCB ib nrab ua hauv tsev kom tuaj yeem sib dhos tau sai sai thiab ntsuas lub Circuit Court (daim duab-5).

Kauj Ruam 7: Daim duab-5, Thawj Tsab Ntawv Tsim Tus Qauv (ntawm PCB ib nrab-hauv tsev), Saib saum toj

Tom qab nyeem kab ntawv no, koj 100% paub tseeb txog kev ua haujlwm tiag tiag ntawm Circuit. Yog li hais kom PCB mus rau lub tuam txhab tsim khoom lag luam PCB, xws li PCBWay, thiab muaj kev lom zem nrog koj cov laug thiab sib dhos ua ke. Daim duab-6 qhia pom qhov pom hauv qab ntawm PCB pawg thawj coj ua ke. Raws li koj tuaj yeem pom, qee txoj kab tsis tau npog tag nrog lub npog ntsej muag. Qhov laj thawj yog tias cov kab no tuaj yeem nqa tus nqi tseem ceeb tam sim no, yog li lawv xav tau kev txhawb nqa tooj liab ntxiv. Ib txoj hauv kev PCB tsis tuaj yeem tiv taus qhov siab tam sim no thiab thaum kawg, nws yuav sov thiab hlawv. Txhawm rau kov yeej qhov teeb meem no (nrog txoj hauv kev pheej yig), koj yuav tsum tau muab cov tooj liab liab liab liab liab liab liab (daim duab-7) tso rau ntawm thaj chaw uas tsis pom. Txoj kev no txhim kho kev muaj peev xwm kis tau tus mob tam sim no ntawm txoj kev taug.

Kauj Ruam 8: Daim duab-6, Kev Pom Hauv Qab ntawm PCB Board Prototype, Cov Ntawv Cuam Tshuam

Kauj Ruam 9: Daim duab-7, Cov Tooj Tooj Tooj Tooj

[4] Kev Ntsuas thiab Ntsuas Qhov muab hauv YouTube vis dis aus qhia qhov kev sim tiag ntawm lub rooj tsavxwm nrog lub tsheb lub tshuab cua tshuab cua tshuab DC ua lub nra. Kuv tau muab PWM mem tes nrog lub tshuab hluav taws xob ua haujlwm thiab tshuaj xyuas cov roj ntsha ntawm lub cav hlau. Tsis tas li, txoj kab sib txheeb ntawm kev thauj khoom tam sim no nrog PWM lub voj voog ua haujlwm tau qhia pom.

[5] Cov Nqi Khoom

Table-1 qhia txog daim nqi ntawm cov ntaub ntawv.

Kauj Ruam 10: Table-1, Bill of Circuit Materials

Cov ntaub ntawv [1]:

[2]:

[3]:

[4]:

[5]:

[6]: Tau qhov twg los (Gerber rub tawm/xaj xaj PCB)