graph LR
subgraph "三相輸入處理"
A["L1/L2/L3 \n 380VAC"] --> B["工業級EMI濾波器 \n Class A標準"]
B --> C["三相整流橋 \n 600V/35A"]
C --> D["直流母線電容 \n 450μF/600V"]
D --> E["高壓直流母線 \n 530VDC"]
end
subgraph "高壓開關控制"
E --> F["預充電電阻"]
F --> G["主繼電器"]
G --> H["高壓開關節點"]
H --> I["VBM185R02 \n 850V/2A"]
I --> J["初級地"]
K["高壓控制器"] --> L["隔離柵極驅動器"]
L --> I
M["電壓檢測"] --> K
N["電流檢測"] --> K
end
subgraph "輔助電源生成"
E --> O["反激變換器"]
O --> P["輔助電源變壓器"]
P --> Q["12V/5V輔助輸出"]
Q --> R["控制電路供電"]
end
style I fill:#f8d7da,stroke:#dc3545,stroke-width:2px
分區加熱驅動拓撲詳圖
graph TB
subgraph "單區加熱驅動電路"
A["24V/48V直流輸入"] --> B["輸入濾波電容"]
B --> C["驅動電源節點"]
C --> D["VBGM1402 \n 40V/110A"]
D --> E["加熱管正極"]
E --> F["石英/鹵素加熱管 \n 1500-2000W"]
F --> G["加熱管負極"]
G --> H["電流檢測電阻"]
H --> I["功率地"]
end
subgraph "PWM控制與驅動"
J["MCU PWM輸出"] --> K["電平轉換電路"]
K --> L["大電流柵極驅動器 \n 峰值電流3A"]
L --> M["柵極驅動網路"]
M --> D
N["溫度回饋"] --> O["PID溫度控制器"]
O --> J
P["電流採樣"] --> Q["過流保護比較器"]
Q --> R["故障信號"]
R --> S["驅動關斷"]
S --> L
end
subgraph "保護與散熱"
T["RC緩衝電路"] --> D
U["散熱器 \n 強制風冷"] --> D
V["溫度感測器"] --> W["熱保護"]
W --> S
X["肖特基續流二極體"] --> D
end
style D fill:#d1ecf1,stroke:#17a2b8,stroke-width:2px
輔助功能管理拓撲詳圖
graph LR
subgraph "智能負載開關通道"
A["MCU GPIO"] --> B["3.3V轉5V電平轉換"]
B --> C["VBQF2625柵極控制"]
C --> D["VBQF2625 \n -60V/-36A"]
E["12V/24V電源"] --> F["電源輸入節點"]
F --> D
D --> G["負載輸出"]
G --> H["感性/阻性負載"]
end
subgraph "多路負載管理實例"
subgraph "蒸汽發生控制"
I1["MCU_GPIO1"] --> J1["蒸汽開關"]
J1 --> K1["VBQF2625_1"]
L1["24V電源"] --> K1
K1 --> M1["蒸汽發生器 \n 加熱器+水泵"]
end
subgraph "風機控制"
I2["MCU_GPIO2"] --> J2["風機開關"]
J2 --> K2["VBQF2625_2"]
L2["24V電源"] --> K2
K2 --> M2["迴圈風機 \n 150W"]
end
subgraph "照明控制"
I3["MCU_GPIO3"] --> J3["照明開關"]
J3 --> K3["VBQF2625_3"]
L3["12V電源"] --> K3
K3 --> M3["LED照明陣列"]
end
end
subgraph "保護電路"
N["過流檢測"] --> O["電流限制"]
P["電壓尖峰抑制"] --> Q["TVS+RC吸收"]
R["熱保護"] --> S["溫度監控"]
O --> T["故障回饋"]
T --> A
end
style D fill:#fff3cd,stroke:#ffc107,stroke-width:2px
style K1 fill:#fff3cd,stroke:#ffc107,stroke-width:2px
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