graph LR
subgraph "主水泵驅動電路"
A[24VDC輸入] --> B[π型濾波器]
B --> C[驅動電路]
C --> D["VBQF3211 \n 雙N-MOSFET"]
D --> E[水泵電機]
E --> F[電流採樣電阻]
F --> G[地]
H[MCU PWM] --> I[柵極驅動器]
I --> D
F -->|電流回饋| J[比較器]
J --> K[過流保護]
K --> I
end
subgraph "保護電路細節"
L["RC緩衝 \n (47Ω+100pF)"] --> M[VBQF3211漏極]
N["續流二極體"] --> O[水泵電機]
P[TVS管] --> Q[柵極引腳]
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
加熱器與閥門控制拓撲詳圖
graph TB
subgraph "加熱器控制回路"
A[24VDC+] --> B["VBC7P3017 \n P-MOSFET"]
B --> C[加熱器元件]
C --> D[電流檢測]
D --> E[地]
F[MCU PWM] --> G[電平轉換]
G --> H[柵極驅動]
H --> B
I[NTC感測器] --> J[溫度檢測]
J --> K[MCU]
K --> F
end
subgraph "電磁閥控制回路"
L[24VDC+] --> M["VBC7P3017 \n P-MOSFET"]
M --> N[電磁閥線圈]
N --> O[續流二極體]
O --> P[地]
Q[MCU控制] --> R[驅動電路]
R --> M
end
subgraph "保護機制"
S[過溫保護] --> T[關斷信號]
U[過流保護] --> V[故障鎖存]
V --> W[關斷驅動]
end
style B fill:#ffebee,stroke:#f44336,stroke-width:2px
style M fill:#ffebee,stroke:#f44336,stroke-width:2px
熱管理與保護拓撲詳圖
graph LR
subgraph "三級散熱系統"
A["一級: 強制風冷"] --> B["VBQF3211(主水泵驅動)"]
C["二級: PCB敷銅散熱"] --> D["VBC7P3017(加熱器控制)"]
E["三級: 自然對流"] --> F["VBK1240(輔助開關)"]
G[溫度感測器陣列] --> H[MCU]
H --> I[風扇PWM控制]
I --> J[冷卻風扇]
end
subgraph "電磁相容設計"
K[輸入π型濾波器] --> L[傳導EMI抑制]
M[遮罩雙絞線] --> N[輻射EMI抑制]
O[短粗佈線] --> P[減小環路面積]
end
subgraph "故障診斷網路"
Q[電流採樣] --> R[超載檢測]
S[溫度監測] --> T[過溫保護]
U[狀態檢測] --> V[開路/短路診斷]
W[健康度監測] --> X[預測性維護]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#ffebee,stroke:#f44336,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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