graph TB
subgraph "高压生成电路"
A["直流母线540VDC"] --> B["高压开关拓扑 \n (反激/LLC)"]
B --> C["VBP18R20SFD \n 800V/20A"]
C --> D["高频变压器 \n 匝比N:1"]
D --> E["高压整流倍压电路"]
E --> F["X射线管阳极 \n 高压输出(40-150kV)"]
D --> G["X射线管灯丝 \n 供电电路"]
G --> H["X射线管阴极"]
end
subgraph "控制与保护"
I["高压控制器"] --> J["栅极驱动器"]
J --> C
K["电压反馈"] --> I
K --> F
L["电流检测"] --> I
L --> C
M["RCD钳位网络"] --> C
N["过压保护"] --> I
O["过流保护"] --> I
P["温度传感器"] --> I
end
subgraph "安全系统"
Q["门开关检测"] --> R["安全互锁"]
S["辐射屏蔽检测"] --> R
T["紧急停止按钮"] --> R
R --> I
end
style C fill:#e8f4f8,stroke:#2196f3,stroke-width:3px
style D fill:#fce4ec,stroke:#e91e63,stroke-width:2px
传送带电机驱动拓扑详图
graph LR
subgraph "三相逆变桥拓扑"
A["直流母线540VDC+"] --> B["上桥臂U相"]
A --> C["上桥臂V相"]
A --> D["上桥臂W相"]
subgraph B ["U相桥臂"]
direction TB
Q_UH["VBGM11203 \n 上管"]
Q_UL["VBGM11203 \n 下管"]
end
subgraph C ["V相桥臂"]
direction TB
Q_VH["VBGM11203 \n 上管"]
Q_VL["VBGM11203 \n 下管"]
end
subgraph D ["W相桥臂"]
direction TB
Q_WH["VBGM11203 \n 上管"]
Q_WL["VBGM11203 \n 下管"]
end
B --> E["U相输出"]
C --> F["V相输出"]
D --> G["W相输出"]
E --> H["三相电机"]
F --> H
G --> H
H --> I["传送带驱动系统"]
Q_UH --> J[直流母线-]
Q_UL --> J
Q_VH --> J
Q_VL --> J
Q_WH --> J
Q_WL --> J
end
subgraph "电机控制与保护"
K["主控MCU"] --> L["FOC控制算法"]
L --> M["三相PWM生成"]
M --> N["栅极驱动器"]
N --> Q_UH
N --> Q_UL
N --> Q_VH
N --> Q_VL
N --> Q_WH
N --> Q_WL
O["电流传感器"] --> L
P["编码器反馈"] --> L
Q["温度传感器"] --> R["热保护"]
R --> K
S["过流检测"] --> T["硬件保护"]
T --> N
end
subgraph "散热设计"
U["铝制散热器"] --> V["强制风冷通道"]
U --> Q_UH
U --> Q_VH
U --> Q_WH
W["温度监控"] --> X["风扇PWM控制"]
X --> V
end
style Q_UH fill:#e8f5e8,stroke:#4caf50,stroke-width:3px
style Q_UL fill:#e8f5e8,stroke:#4caf50,stroke-width:3px
辅助系统智能管理拓扑详图
graph TB
subgraph "智能负载开关网络"
A["MCU GPIO控制"] --> B["电平转换电路"]
subgraph "风扇控制通道"
B --> C["VBA2307B \n P-MOSFET"]
D["12V辅助电源"] --> C
C --> E["散热风扇"]
E --> F[GND]
G["续流二极管"] --> E
end
subgraph "指示灯控制"
B --> H["VBA2307B \n P-MOSFET"]
D --> H
H --> I["状态指示灯"]
I --> F
end
subgraph "传感器电源管理"
B --> J["VBA2307B \n P-MOSFET"]
D --> J
J --> K["传感器阵列"]
K --> F
end
subgraph "通信接口控制"
B --> L["VBA2307B \n P-MOSFET"]
D --> L
L --> M["通信模块"]
M --> F
end
end
subgraph "时序管理与保护"
N["上电时序控制"] --> O["软启动电路"]
O --> C
O --> H
O --> J
O --> L
P["过流检测"] --> Q["快速关断"]
Q --> C
Q --> H
Q --> J
Q --> L
R["温度监控"] --> S["过热保护"]
S --> T["降频/关断"]
T --> A
end
subgraph "PCB热设计"
U["大面积敷铜"] --> V["热通孔阵列"]
V --> W["内部地层"]
C --> U
H --> U
J --> U
L --> U
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:3px
style H fill:#fff3e0,stroke:#ff9800,stroke-width:3px
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