graph LR
subgraph "高壓生成電路"
A["電池/交流輸入 \n 12-24VDC"] --> B["DC-DC升壓變換器"]
B --> C["高壓直流母線 \n 200-1000VDC"]
C --> D["VB1204M \n 高壓開關"]
D --> E["逆變器初級"]
E --> F["高壓變壓器"]
F --> G["高壓整流"]
G --> H["儲能電容"]
end
subgraph "隔離驅動電路"
I["低壓控制電路"] --> J["隔離驅動晶片/變壓器"]
J --> K["VB1204M柵極"]
L["高壓側地"] --> M["隔離屏障"]
N["低壓側地"] --> M
end
subgraph "保護電路"
O["RCD緩衝"] --> D
P["TVS陣列"] --> C
Q["過壓檢測"] --> R["關斷信號"]
R --> D
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
儲能電容控制拓撲詳圖
graph TB
subgraph "電容充放電管理"
A["高壓整流輸出"] --> B["VB7430 \n 充電開關"]
B --> C["儲能電容器組 \n 200-360J"]
C --> D["VB7430 \n 放電開關"]
D --> E["H橋輸入"]
C --> F["VB7430 \n 泄放開關"]
F --> G["泄放電阻"]
end
subgraph "控制與監測"
H["MCU/PWM控制器"] --> I["柵極驅動器"]
I --> B
I --> D
I --> F
J["電壓感測器"] --> C
J --> H
K["電流感測器"] --> L["充放電回路"]
K --> H
end
subgraph "安全保護"
M["過壓保護"] --> N["快速關斷"]
O["過流保護"] --> N
N --> B
N --> D
P["溫度監測"] --> Q["降額控制"]
Q --> H
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
H橋患者負載控制拓撲詳圖
graph LR
subgraph "H橋功率輸出"
A["儲能電容"] --> B["H橋輸入匯流排"]
B --> C["VBQD5222U-N \n 上管N-MOS"]
B --> D["VBQD5222U-N \n 上管N-MOS"]
C --> E["VBQD5222U-P \n 下管P-MOS"]
D --> F["VBQD5222U-P \n 下管P-MOS"]
E --> G["患者輸出+"]
F --> H["患者輸出-"]
G --> I["患者電極負載"]
H --> I
end
subgraph "半橋驅動控制"
J["MCU/波形發生器"] --> K["半橋驅動器"]
K --> L["死區時間控制"]
L --> M["上管驅動信號"]
L --> N["下管驅動信號"]
M --> C
M --> D
N --> E
N --> F
end
subgraph "輸出保護網路"
O["電壓鉗位電路"] --> G
P["能量吸收網路"] --> H
Q["阻抗監測"] --> I
Q --> R["安全互鎖"]
R --> S["緊急關斷"]
S --> K
end
subgraph "雙相波形成"
T["正向放電階段"] --> U["C導通, F導通"]
V["反向放電階段"] --> W["D導通, E導通"]
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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