graph LR
subgraph "三相整流與直流母線"
A[380VAC三相輸入] --> B[工業EMI濾波器]
B --> C[三相整流橋]
C --> D[直流母線電容]
D --> E[540VDC高壓母線]
end
subgraph "三相逆變橋驅動"
E --> F[三相逆變橋]
subgraph "上橋臂MOSFET"
Q_UH["VBP16R87SFD \n 600V/87A"]
Q_VH["VBP16R87SFD \n 600V/87A"]
Q_WH["VBP16R87SFD \n 600V/87A"]
end
subgraph "下橋臂MOSFET"
Q_UL["VBP16R87SFD \n 600V/87A"]
Q_VL["VBP16R87SFD \n 600V/87A"]
Q_WL["VBP16R87SFD \n 600V/87A"]
end
F --> Q_UH
F --> Q_VH
F --> Q_WH
F --> Q_UL
F --> Q_VL
F --> Q_WL
Q_UH --> G[U相輸出]
Q_VH --> H[V相輸出]
Q_WH --> I[W相輸出]
Q_UL --> J[功率地]
Q_VL --> J
Q_WL --> J
end
subgraph "電機負載與保護"
G --> K[攪拌電機]
H --> K
I --> K
subgraph "保護電路"
L[有源米勒鉗位]
M[電流檢測]
N[溫度監控]
end
L --> Q_UH
M --> E
N --> K
end
subgraph "隔離驅動與控制"
O[MCU/PWM控制器] --> P[隔離型柵極驅動器]
P --> Q_UH
P --> Q_VH
P --> Q_WH
P --> Q_UL
P --> Q_VL
P --> Q_WL
Q[故障回饋] --> O
end
style Q_UH fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
精密閥門控制拓撲詳圖
graph TB
subgraph "H橋驅動電路"
A[24VDC電源] --> B[輸入濾波]
B --> C[驅動電源]
subgraph "H橋MOSFET陣列"
Q1["VBFB2625 \n P-MOSFET"]
Q2["VBFB2625 \n P-MOSFET"]
Q3["VBFB2625 \n N-MOSFET"]
Q4["VBFB2625 \n N-MOSFET"]
end
C --> Q1
C --> Q2
Q1 --> D[輸出節點]
Q2 --> D
Q3 --> E[功率地]
Q4 --> E
D --> F[閥門負載]
E --> F
end
subgraph "閥門負載類型"
F --> G[精密調節閥]
F --> H[防爆電磁閥]
F --> I[氣動執行器]
end
subgraph "保護與吸收網路"
subgraph "續流保護"
J[續流二極體]
K[RC吸收網路]
L[TVS保護]
end
J --> F
K --> F
L --> F
end
subgraph "驅動控制"
M[MCU/PWM信號] --> N[電平轉換]
N --> O[半橋驅動器]
O --> Q1
O --> Q3
P[方向控制] --> O
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
輔助電源與安全柵控制拓撲詳圖
graph LR
subgraph "隔離電源模組"
A[24VDC主電源] --> B[DC-DC隔離變換器]
B --> C[隔離後12VDC]
C --> D[線性穩壓器]
D --> E[5VDC/3.3VDC]
end
subgraph "智能電源路徑管理"
subgraph "MOSFET開關陣列"
SW1["VBK7322 \n 負載開關1"]
SW2["VBK7322 \n 負載開關2"]
SW3["VBK7322 \n 負載開關3"]
SW4["VBK7322 \n 負載開關4"]
end
C --> SW1
C --> SW2
E --> SW3
E --> SW4
SW1 --> F[本安安全柵]
SW2 --> G[現場感測器]
SW3 --> H[信號隔離器]
SW4 --> I[通信模組]
end
subgraph "邏輯控制"
J[MCU GPIO] --> K[邏輯電平]
K --> SW1
K --> SW2
K --> SW3
K --> SW4
end
subgraph "保護電路"
subgraph "端口保護"
L[TVS陣列]
M[濾波電容]
N[限流電阻]
end
F --> L
G --> M
H --> N
end
subgraph "散熱設計"
O[PCB敷銅區域] --> SW1
O --> SW2
O --> SW3
O --> SW4
P[散熱過孔] --> O
end
style SW1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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