9 自制感应加热教程 8页

DIY

2.5KW ZVS MOSFET

1.1

1.2 1 N

1.3 10-4m

LC

2.1

P=UI

2.2 LC

TANK Q L,C Q

Q L,C

LC

GDT MOS LC

C1 C2 C3 L1 T1 C1-C3 L1 L1 1uH 1.3uH 56.5KHz

J2-1 C4 S1 T1 1:100 J2-2 C4 CDE 1.7uF 400V

S1 35:0.75 2178:1 24:0.75 1024:1

1

2

T2 T1 1:100 100 1V T1 1A J3

J1 T1 90 PLL

L1 T1 T1 EE85

PLL

PLL CD4046

U1 LM2576-adj PLL 15V2A 15V VDD CD40xx CMOS 74

CD4046 VCO 4 U2 CD4046 B 3 VCO R16 R16 W1 C13 VCO 0-15V 20KHz- 80KHz

Vcap J1 J4 PLL R14 D2 D3 CD4046 A 14 Vcap D2 D3 1N4148 1N60

C7 C12 CD4046

CD4046 1 XOR 1, Ui Uo U Ui Uo U Ui Uo 0°-180 U m 4 90 fout Ui Uo 50

14 3 2 2 PWM U4 VCO VCO 14

U2 CD4001 2 R8 R8 C10 C11 RC R8 R8 C10 C11 1.6uS C10 C11 68pF 5-45pF

GDT Q1-Q8 R10.R11 CD4001 “1 TIP41 TIP42 hFE 8050/8550

GDT

MOSFET GDT

1.6uS MOSFET IGBT MOS

ZVS 2KW

PLL GDT J1 J4 C1-C4 T1-T4 R5 R6 Q ±15V R1-R4

Cgs ZD1-ZD8 J2 J3 J5 J6 MOS GS -15V MOS J2 J3 MOS J5 J6 mos

PLL 4 4 T1- T4 EE19 0.33mm 30T 3 + - C1-C4 CBB

J2 B1 C1-C4 MOS C1 C2 J1

MOSFET MOS GS GDT 10cm MOS 100nS 500V 20A 150W

500A

0.6MPa 3mm

GDT 1 G 2 S 10cm

1. PLL PLL JP1 2,3 VCO MOS GS ±15V

2. MOS GS PLL C10 C11 MOS GS

3. VCO PLL VCO S1 PLL JP1 2,3 VCO 0.5VCC W2 30VAC J3 PLL W1 J3 VCO

200nS

4. PLL PLL JP1 1,2 VCO 30VAC J3 W1 J1 W1

5. J3 PLL GDT2 GDT1 W2 ZVS

6. 220VAC 15A 2500W S1