graph LR
subgraph "高压半桥逆变级"
A["~310VDC母线"] --> B["VBM185R04 \n 上管"]
B --> C["桥臂中点"]
C --> D["VBM185R04 \n 下管"]
D --> E["初级地"]
F["PWM控制器"] --> G["高压驱动器"]
G --> B
G --> D
C --> H["高压变压器 \n 初级"]
end
subgraph "磁控管驱动级"
I["~310VDC母线"] --> J["VBM1105 \n 调制开关"]
J --> K["驱动节点"]
K --> L["驱动变压器 \n 初级"]
M["调制控制器"] --> N["大电流驱动器"]
N --> J
end
subgraph "高压生成与磁控管"
H --> O["高压变压器 \n 次级"]
O --> P["倍压整流电路"]
P --> Q["~4000V阳极"]
L --> R["驱动变压器 \n 次级"]
R --> S["磁控管阴极"]
Q --> T["磁控管"]
S --> T
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style J fill:#ffebee,stroke:#f44336,stroke-width:2px
辅助电源与智能控制拓扑详图
graph TB
subgraph "反激式辅助电源"
A["~310VDC母线"] --> B["VB1201K \n 主开关"]
B --> C["反激变压器 \n 初级"]
C --> D["初级地"]
E["PWM控制器"] --> F["栅极驱动"]
F --> B
subgraph "次级输出"
G["反激变压器 \n 次级"] --> H["整流滤波"]
H --> I["12V输出"]
H --> J["5V输出"]
end
end
subgraph "智能控制与负载管理"
K["5V电源"] --> L["主控MCU"]
subgraph "GPIO控制通道"
M["MCU GPIO1"] --> N["电平转换"]
N --> O["继电器驱动器"]
O --> P["转盘电机"]
Q["MCU GPIO2"] --> R["电平转换"]
R --> S["照明继电器"]
S --> T["腔体照明"]
U["MCU PWM"] --> V["风扇驱动"]
V --> W["冷却风扇"]
end
L --> X["通信接口"]
X --> Y["Wi-Fi/BT模块"]
L --> Z["传感器接口"]
Z --> AA["温度传感器"]
Z --> BB["湿度传感器"]
end
subgraph "保护电路"
CC["RCD钳位"] --> B
DD["输出过压保护"] --> I
EE["输出过流保护"] --> I
FF["温度保护"] --> L
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style L fill:#fff3e0,stroke:#ff9800,stroke-width:2px
热管理与保护拓扑详图
graph LR
subgraph "三级散热架构"
A["一级:强制风冷"] --> B["VBM1105驱动MOSFET"]
C["二级:散热器冷却"] --> D["VBM185R04逆变MOSFET"]
E["三级:自然对流"] --> F["控制IC与VB1201K"]
G["温度传感器1"] --> H["MCU"]
H --> I["风扇PWM控制"]
I --> J["冷却风扇"]
J --> B
J --> D
end
subgraph "电气保护网络"
subgraph "高压逆变保护"
K["RC缓冲电路"] --> L["VBM185R04上管"]
M["RC缓冲电路"] --> N["VBM185R04下管"]
end
subgraph "辅助电源保护"
O["RCD钳位电路"] --> P["VB1201K"]
Q["TVS保护"] --> R["反激变压器"]
end
subgraph "磁控管驱动保护"
S["快恢复二极管"] --> T["VBM1105并联"]
U["电流检测"] --> V["过流比较器"]
V --> W["故障锁存"]
end
W --> X["全局关断信号"]
X --> L
X --> N
X --> P
X --> T
end
subgraph "安规与EMC"
Y["X电容"] --> Z["共模电感"]
AA["Y电容"] --> Z
BB["压敏电阻"] --> CC["输入端"]
DD["屏蔽层接地"] --> EE["高压变压器"]
end
style B fill:#ffebee,stroke:#f44336,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style P fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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