graph LR
subgraph "三相變頻風機驅動"
A["24V/48V直流輸入"] --> B["預驅動晶片"]
B --> C["VBGQF1810 \n 上橋臂"]
B --> D["VBGQF1810 \n 下橋臂"]
C --> E["U相輸出"]
D --> F["電機公共端"]
B --> G["VBGQF1810 \n 上橋臂"]
B --> H["VBGQF1810 \n 下橋臂"]
G --> I["V相輸出"]
H --> F
B --> J["VBGQF1810 \n 上橋臂"]
B --> K["VBGQF1810 \n 下橋臂"]
J --> L["W相輸出"]
K --> F
E --> M["三相風機電機"]
I --> M
L --> M
N["PWM控制器"] --> B
O["電流採樣"] --> N
end
subgraph "散熱與保護"
P["大面積敷銅 \n >150mm²"] --> C
P --> G
P --> J
Q["散熱過孔陣列"] --> P
R["散熱器/外殼"] --> Q
S["過流檢測"] --> T["比較器"]
T --> U["故障鎖存"]
U --> V["關斷信號"]
V --> B
W["吸收電容"] --> X["電機端"]
Y["共模電感"] --> X
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style J fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
電子膨脹閥控制拓撲詳圖
graph TB
subgraph "H橋驅動電路"
A["12V/24V電源"] --> B["VBC6N2022 \n 橋臂A"]
A --> C["VBC6N2022 \n 橋臂B"]
subgraph B ["VBC6N2022 雙N-MOS"]
direction LR
BA["柵極A1"]
BB["柵極A2"]
BC["漏極A1/A2"]
BD["源極A1"]
BE["源極A2"]
end
subgraph C ["VBC6N2022 雙N-MOS"]
direction LR
CA["柵極B1"]
CB["柵極B2"]
CC["漏極B1/B2"]
CD["源極B1"]
CE["源極B2"]
end
BC --> D["電機正端"]
CC --> E["電機負端"]
BD --> F["地"]
BE --> F
CD --> F
CE --> F
G["MCU GPIO"] --> H["電平轉換"]
H --> BA
H --> BB
H --> CA
H --> CB
end
subgraph "控制與保護"
I["步進脈衝"] --> J["死區時間控制"]
J --> G
K["對稱敷銅 \n >50mm²"] --> B
K --> C
L["柵極電阻 \n 10-47Ω"] --> BA
L --> CA
M["續流二極體"] --> D
M --> E
N["RC吸收電路"] --> D
N --> E
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
輔助電源與感測器開關拓撲詳圖
graph LR
subgraph "多路感測器電源管理"
A["5V輔助電源"] --> B["VBK162K \n 通道1"]
A --> C["VBK162K \n 通道2"]
A --> D["VBK162K \n 通道3"]
subgraph B ["VBK162K SC70-3"]
direction LR
BA["柵極"]
BB["漏極"]
BC["源極"]
end
subgraph C ["VBK162K SC70-3"]
direction LR
CA["柵極"]
CB["漏極"]
CC["源極"]
end
subgraph D ["VBK162K SC70-3"]
direction LR
DA["柵極"]
DB["漏極"]
DC["源極"]
end
BB --> E["溫度感測器"]
CB --> F["濕度感測器"]
DB --> G["顯示背光"]
BC --> H["地"]
CC --> H
DC --> H
I["MCU GPIO1"] --> BA
J["MCU GPIO2"] --> CA
K["MCU GPIO3"] --> DA
end
subgraph "驅動與保護電路"
L["柵極電阻 \n ≤100Ω"] --> BA
M["RC濾波網路"] --> I
M --> L
N["續流二極體"] --> E
O["ESD保護"] --> BA
P["電源濾波"] --> A
end
subgraph "低功耗待機管理"
Q["AI睡眠模式"] --> R["關斷所有非必要負載"]
R --> I
R --> J
R --> K
S["動態功耗監測"] --> T["功耗優化演算法"]
T --> Q
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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