graph LR
subgraph "輸入級與EMC保護"
A["三相380VAC"] --> B["三相濾波器"]
B --> C["三相整流橋"]
C --> D["直流母線電容"]
D --> E["直流母線 \n ~550VDC"]
F["VBMB165R22 \n 650V/22A"] --> G["主功率匯流排"]
H["輸入級控制器"] --> I["柵極驅動器"]
I --> F
subgraph "EMC保護網路"
J["壓敏電阻MOV"]
K["氣體放電管GDT"]
L["共模電感"]
end
A --> J
J --> K
K --> M["保護地"]
B --> L
end
subgraph "送料電機驅動"
G --> N["電機驅動節點"]
subgraph "三相電機驅動橋"
O["VBL7401 \n 上橋臂"]
P["VBL7401 \n 下橋臂"]
Q["VBL7401 \n 上橋臂"]
R["VBL7401 \n 下橋臂"]
S["VBL7401 \n 上橋臂"]
T["VBL7401 \n 下橋臂"]
end
N --> O
N --> P
N --> Q
N --> R
N --> S
N --> T
O --> U["三相電機 \n U相"]
P --> V["電機地"]
Q --> W["三相電機 \n V相"]
R --> V
S --> X["三相電機 \n W相"]
T --> V
Y["電機控制器"] --> Z["大電流驅動器"]
Z --> O
Z --> P
Z --> Q
Z --> R
Z --> S
Z --> T
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style O fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
graph LR
subgraph "三級散熱系統設計"
A["一級散熱:強制風冷"] --> B["電機驅動MOSFET \n VBL7401"]
C["二級散熱:導熱橋"] --> D["輸入級MOSFET \n VBMB165R22"]
E["三級散熱:PCB敷銅"] --> F["控制晶片 \n VBA1206/MCU"]
subgraph "散熱實施"
G["鋁基板厚度≥3mm"]
H["高性能導熱矽脂"]
I["帶彈簧扣散熱器"]
J["2oz加厚銅箔"]
K["散熱過孔陣列"]
end
B --> G
G --> H
H --> AL_PLATE["鋁合金散熱板"]
D --> I
I --> HEATSINK["獨立散熱片"]
F --> J
J --> K
K --> BOTTOM_COPPER["背面銅層"]
end
subgraph "環境防護設計"
subgraph "EMC設計"
L["三相濾波器"]
M["遮罩電纜"]
N["磁珠隔離"]
O["π型濾波"]
end
subgraph "機械防護"
P["鍍鋅鋼板機箱"]
Q["防水防塵連接器"]
R["PCB三防漆塗覆"]
S["減震安裝"]
end
L --> POWER_LINE["電源線"]
M --> MOTOR_LINE["電機線"]
N --> SENSOR_LINE["信號線"]
O --> IC_POWER["晶片電源"]
P --> ENCLOSURE["完整遮罩"]
Q --> EXTERNAL["外部介面"]
R --> PCB["電路板防護"]
S --> COMPONENTS["敏感元件"]
end
subgraph "可靠性增強"
subgraph "電氣保護"
T["RC緩衝電路"]
U["續流二極體"]
V["柵極電壓箝位"]
W["雙路冗餘供電"]
end
subgraph "狀態監測"
X["導通壓降監測"]
Y["振動感測器"]
Z["粉塵濃度監測"]
end
T --> MOSFET["功率MOSFET"]
U --> INDUCTIVE["感性負載"]
V --> GATE_DRV["柵極驅動"]
W --> CRITICAL["關鍵電路"]
X --> HEALTH["健康狀態預測"]
Y --> MECHANICAL["機械磨損分析"]
Z --> ENVIRONMENT["環境狀態評估"]
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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