graph TB
subgraph "高壓加熱控制回路"
A["三相380VAC輸入"] --> B["三相整流橋 \n ~530VDC輸出"]
B --> C["高壓直流母線"]
C --> D["VBP16R90S \n 600V/90A TO247"]
D --> E["加熱管負載 \n 數千瓦功率"]
E --> F["功率地"]
G["PID溫度控制器"] --> H["隔離柵極驅動器"]
H --> D
I["溫度感測器"] --> G
E -->|熱負載| I
end
subgraph "驅動與保護電路"
J["PWM信號"] --> H
K["直流母線電壓採樣"] --> L["過壓比較器"]
L --> M["故障保護"]
M -->|關斷| H
N["RCD緩衝電路"] --> D
O["柵極TVS陣列"] --> H
P["電流檢測電阻"] --> Q["電流比較器"]
Q --> M
end
subgraph "熱管理系統"
R["TO247散熱器"] --> D
S["NTC溫度感測器"] --> T["熱管理MCU"]
T --> U["風扇控制PWM"]
U --> V["強制風冷風扇"]
V --> R
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
電機與閥門驅動拓撲詳圖
graph LR
subgraph "H橋電機驅動電路"
A["24V/36V工業匯流排"] --> B["H橋左上開關"]
A --> C["H橋右上開關"]
D["H橋左下開關"] --> E["電機負載"]
F["H橋右下開關"] --> E
E --> G["電機地"]
B -->|PWM控制| E
C -->|方向控制| E
D --> G
F --> G
end
subgraph "MOSFET開關陣列"
B --> H["VBMB1302 \n 30V/180A TO220F"]
C --> I["VBMB1302 \n 30V/180A TO220F"]
D --> J["VBMB1302 \n 30V/180A TO220F"]
F --> K["VBMB1302 \n 30V/180A TO220F"]
end
subgraph "驅動控制電路"
L["電機控制器"] --> M["半橋驅動器1"]
L --> N["半橋驅動器2"]
M --> H
M --> J
N --> I
N --> K
O["柵極串聯電阻"] --> H
P["柵極下拉電阻"] --> H
end
subgraph "保護與續流"
Q["RC吸收電路"] --> H
R["續流二極體"] --> E
S["電流採樣"] --> T["過流保護"]
T -->|故障信號| L
end
subgraph "散熱設計"
U["TO220F散熱片"] --> H
U --> I
U --> J
U --> K
V["溫度感測器"] --> W["熱監控"]
end
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style I fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
輔助電源與負載管理拓撲詳圖
graph TB
subgraph "控制電源架構"
A["24V工業匯流排"] --> B["DC-DC降壓模組"]
B --> C["12V控制電源"]
C --> D["LDO穩壓器"]
D --> E["5V/3.3V數字電源"]
end
subgraph "智能負載開關網路"
E --> F["主控MCU GPIO"]
F --> G["VBA1210負載開關1 \n 20V/13A SOP8"]
F --> H["VBA1210負載開關2 \n 20V/13A SOP8"]
F --> I["VBA1210負載開關3 \n 20V/13A SOP8"]
G --> J["溫度感測器陣列"]
H --> K["壓力感測器組"]
I --> L["流量計模組"]
J --> M["模擬信號調理"]
K --> M
L --> M
M --> N["ADC輸入"]
N --> F
end
subgraph "通信與介面"
E --> O["RS485收發器"]
E --> P["CAN匯流排控制器"]
E --> Q["以太網PHY"]
O --> R["現場儀錶"]
P --> S["執行機構"]
Q --> T["工業交換機"]
end
subgraph "保護電路"
U["輸入電容"] --> B
V["輸出濾波"] --> E
W["ESD保護二極體"] --> F
X["電源監控IC"] --> Y["複位電路"]
Y --> F
end
style G fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style H fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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