graph LR
subgraph "三相整流與濾波"
A[三相380VAC輸入] --> B[輸入斷路器]
B --> C[EMI濾波器]
C --> D[三相整流橋]
D --> E[直流母線電容]
E --> F[高壓直流母線]
end
subgraph "IGBT逆變加熱單元"
F --> G[逆變器直流輸入]
subgraph "三相半橋IGBT模組"
H["VBPB112MI40 \n 上橋臂U"]
I["VBPB112MI40 \n 上橋臂V"]
J["VBPB112MI40 \n 上橋臂W"]
K["VBPB112MI40 \n 下橋臂U"]
L["VBPB112MI40 \n 下橋臂V"]
M["VBPB112MI40 \n 下橋臂W"]
end
G --> H
G --> I
G --> J
H --> N[U相輸出]
I --> O[V相輸出]
J --> P[W相輸出]
K --> Q[加熱回路地]
L --> Q
M --> Q
N --> R[加熱負載]
O --> R
P --> R
end
subgraph "驅動與保護"
S[主控制器] --> T[隔離柵極驅動器]
T --> H
T --> I
T --> J
T --> K
T --> L
T --> M
subgraph "保護電路"
U[RC緩衝網路]
V[退飽和檢測]
W[溫度感測器]
end
U --> H
V --> H
W --> H
end
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
電機驅動拓撲詳圖
graph TB
subgraph "三相逆變橋功率級"
A[48VDC電源] --> B[輸入電容]
B --> C[直流母線]
subgraph "上橋臂MOSFET"
D["VBGQA1602 \n U相上管"]
E["VBGQA1602 \n V相上管"]
F["VBGQA1602 \n W相上管"]
end
subgraph "下橋臂MOSFET"
G["VBGQA1602 \n U相下管"]
H["VBGQA1602 \n V相下管"]
I["VBGQA1602 \n W相下管"]
end
C --> D
C --> E
C --> F
D --> J[U相輸出]
E --> K[V相輸出]
F --> L[W相輸出]
G --> M[功率地]
H --> M
I --> M
end
subgraph "電機與負載"
J --> N[迴圈泵電機]
K --> N
L --> N
end
subgraph "驅動與控制"
O[電機控制器] --> P[預驅晶片]
P --> D
P --> E
P --> F
P --> G
P --> H
P --> I
subgraph "電流檢測"
Q[U相電流採樣]
R[V相電流採樣]
S[霍爾感測器]
end
Q --> O
R --> O
S --> O
end
subgraph "熱管理"
T[PCB大面積敷銅] --> D
T --> E
T --> F
U[附加散熱片] --> D
V[溫度感測器] --> O
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
負載管理與保護拓撲詳圖
graph LR
subgraph "負載電源分配"
A[24V控制電源] --> B[電源濾波器]
B --> C[主負載匯流排]
C --> D[各負載通道]
end
subgraph "P-MOS負載開關通道"
subgraph "通道1:輔助加熱"
E["VBE2406 P-MOS"]
F[快熔保險絲]
G[霍爾電流感測器]
end
subgraph "通道2:電磁閥"
H["VBE2406 P-MOS"]
I[TVS保護]
J[續流二極體]
end
subgraph "通道3:冷卻風機"
K["VBE2406 P-MOS"]
L[RC緩衝]
end
subgraph "通道4:感測器"
M["VBE2406 P-MOS"]
N[濾波電容]
end
D --> E
D --> H
D --> K
D --> M
E --> O[輔助加熱器]
H --> P[電磁閥線圈]
K --> Q[冷卻風扇]
M --> R[感測器陣列]
O --> S[負載地]
P --> S
Q --> S
R --> S
end
subgraph "控制與保護"
T[PLC/MCU] --> U[光耦隔離]
U --> E
U --> H
U --> K
U --> M
subgraph "保護回饋"
V[過流檢測]
W[溫度監測]
X[狀態回饋]
end
G --> V
V --> T
W --> T
X --> T
end
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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