graph LR
subgraph "SiC全桥逆变拓扑"
A["高压直流母线 \n ~540VDC"] --> B["全桥逆变电路"]
subgraph "SiC MOSFET全桥"
Q1["VBP112MC60 \n 上管1"]
Q2["VBP112MC60 \n 下管1"]
Q3["VBP112MC60 \n 上管2"]
Q4["VBP112MC60 \n 下管2"]
end
B --> Q1
B --> Q2
B --> Q3
B --> Q4
Q1 --> C["谐振腔输出"]
Q2 --> C
Q3 --> C
Q4 --> C
C --> D["高频变压器"]
D --> E["感应线圈/加热管"]
end
subgraph "SiC驱动与保护"
F["SiC专用驱动器"] --> G["负压关断电路"]
G --> Q1
G --> Q2
G --> Q3
G --> Q4
subgraph "保护网络"
H["RC吸收电路"]
I["低感叠层母排"]
J["TVS栅极保护"]
K["电流检测"]
end
H --> Q1
I --> B
J --> F
K --> C
K --> L["故障保护"]
L --> F
end
subgraph "温度控制闭环"
M["MCU/PID控制器"] --> N["PWM信号发生器"]
N --> F
O["温度传感器"] --> P["ADC采样"]
P --> M
Q["设定温度曲线"] --> M
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
风机驱动拓扑详图
graph TB
subgraph "三相风机逆变驱动"
A["直流母线"] --> B["三相逆变桥"]
subgraph "IGBT三相桥臂"
Q_U1["VBP16I40 \n U相上管"]
Q_U2["VBP16I40 \n U相下管"]
Q_V1["VBP16I40 \n V相上管"]
Q_V2["VBP16I40 \n V相下管"]
Q_W1["VBP16I40 \n W相上管"]
Q_W2["VBP16I40 \n W相下管"]
end
B --> Q_U1
B --> Q_U2
B --> Q_V1
B --> Q_V2
B --> Q_W1
B --> Q_W2
Q_U1 --> C["U相输出"]
Q_U2 --> C
Q_V1 --> D["V相输出"]
Q_V2 --> D
Q_W1 --> E["W相输出"]
Q_W2 --> E
C --> F["三相风机电机"]
D --> F
E --> F
end
subgraph "IGBT驱动保护"
G["IGBT驱动器"] --> H["栅极保护网络"]
H --> Q_U1
H --> Q_U2
H --> Q_V1
H --> Q_V2
H --> Q_W1
H --> Q_W2
subgraph "保护电路"
I["栅极TVS箝位"]
J["电机端浪涌吸收"]
K["堵转检测"]
L["过温保护"]
end
I --> G
J --> C
J --> D
J --> E
K --> F
K --> M["故障锁存"]
L --> M
M --> G
end
subgraph "智能风速控制"
N["MCU"] --> O["PWM调速器"]
O --> G
P["温度反馈"] --> Q["PID算法"]
Q --> N
R["工作模式"] --> N
S["转速反馈"] --> N
end
style Q_U1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载管理拓扑详图
graph LR
subgraph "大电流P-MOSFET开关通道"
subgraph "通道1: 石英加热管"
A1["MCU GPIO"] --> B1["电平转换"]
B1 --> C1["VBL2309栅极"]
D1["电源正极"] --> E1["VBL2309漏极"]
E1 --> F1["VBL2309源极"]
F1 --> G1["石英加热管"]
G1 --> H1["电源负极"]
end
subgraph "通道2: 臭氧发生器"
A2["MCU GPIO"] --> B2["电平转换"]
B2 --> C2["VBL2309栅极"]
D2["电源正极"] --> E2["VBL2309漏极"]
E2 --> F2["VBL2309源极"]
F2 --> G2["臭氧发生器"]
G2 --> H2["电源负极"]
end
subgraph "通道3: UV灯阵列"
A3["MCU GPIO"] --> B3["电平转换"]
B3 --> C3["VBL2309栅极"]
D3["电源正极"] --> E3["VBL2309漏极"]
E3 --> F3["VBL2309源极"]
F3 --> G3["UV灯驱动器"]
G3 --> H3["电源负极"]
end
subgraph "通道4: 循环泵"
A4["MCU GPIO"] --> B4["电平转换"]
B4 --> C4["VBL2309栅极"]
D4["电源正极"] --> E4["VBL2309漏极"]
E4 --> F4["VBL2309源极"]
F4 --> G4["循环泵电机"]
G4 --> H4["电源负极"]
end
end
subgraph "负载保护与互锁"
I["过流检测"] --> J["电流采样"]
J --> G1
J --> G2
J --> G3
J --> G4
K["互锁逻辑"] --> L["MCU安全逻辑"]
M["加热-OZONE互锁"] --> K
N["门开关联锁"] --> K
O["时序控制"] --> P["消毒程序"]
P --> A1
P --> A2
P --> A3
P --> A4
end
subgraph "PCB热设计"
Q["大面积铺铜"] --> R["多层板内铜层"]
R --> S["散热过孔阵列"]
T["VBL2309金属底座"] --> U["焊接在铺铜区"]
U --> Q
end
style C1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBP112MC60规格书
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