graph LR
subgraph "電池供電與濾波"
A["鋰電池14.8V"] --> B["π型濾波器"]
C["適配器12-24V"] --> B
B --> D["主電源VBAT"]
end
subgraph "精密PWM驅動電路"
D --> E["驅動節點"]
E --> F["VBQF1615 \n 60V/15A/DFN8"]
F --> G["微型壓電泵"]
H["MCU"] --> I["PWM發生器 \n 0-100kHz"]
I --> J["專用驅動IC"]
J --> K["柵極驅動"]
K --> F
end
subgraph "電流監測與保護"
G --> L["電流檢測電阻 \n 0.01Ω"]
L --> M["高精度運放"]
M --> N["ADC輸入"]
N --> H
O["TVS保護"] --> E
P["RC緩衝電路"] --> G
end
subgraph "熱管理設計"
Q["PCB內層銅箔"] --> R["過孔陣列散熱"]
R --> F
S["溫度感測器"] --> T["MCU ADC"]
T --> H
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
智能負載管理拓撲詳圖
graph TB
subgraph "雙路負載開關配置"
A["12V輔助電源"] --> B["VBQG3322輸入"]
subgraph B ["VBQG3322 雙N-MOSFET"]
direction LR
GATE1["柵極1"]
GATE2["柵極2"]
DRAIN1["漏極1"]
DRAIN2["漏極2"]
SOURCE1["源極1"]
SOURCE2["源極2"]
end
C["MCU GPIO"] --> D["電平轉換"]
D --> GATE1
D --> GATE2
DRAIN1 --> E["霧化片加熱器"]
SOURCE1 --> F["GND"]
DRAIN2 --> G["輔助模組電源"]
SOURCE2 --> F
subgraph "時序控制邏輯"
H["軟啟動控制"] --> I["霧化片供電"]
J["安全互鎖"] --> K["消毒時暫停霧化"]
L["自動斷電"] --> M["無液檢測觸發"]
end
I --> GATE1
K --> GATE1
M --> GATE1
end
subgraph "輔助模組陣列"
G --> N["OLED顯示幕"]
G --> O["感測器陣列 \n 溫度/流量/壓力"]
G --> P["UVC-LED消毒燈"]
G --> Q["無線通信模組"]
end
subgraph "熱管理設計"
R["PCB銅箔散熱"] --> S["空氣微對流"]
S --> B
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
熱管理與保護電路拓撲詳圖
graph LR
subgraph "三級熱管理策略"
A["一級: PCB內層散熱"] --> B["VBQF1615驅動MOSFET \n 目標溫升<30℃"]
C["二級: 銅箔微對流"] --> D["VBQG3322負載開關 \n 分散散熱"]
E["三級: 自然散熱"] --> F["VBI2201K高壓開關 \n 間歇工作散熱"]
subgraph "散熱實施細節"
G["16x0.3mm過孔陣列"] --> H["連接內層接地銅箔"]
I["2oz銅箔厚度"] --> J["高TG值FR4板材"]
K["溫度敏感區隔離"] --> L["遠離熱源佈局"]
end
G --> B
I --> B
I --> D
K --> B
end
subgraph "電磁相容設計"
M["輸入π型濾波器"] --> N["抑制傳導EMI"]
O["磁珠/磁環"] --> P["泵驅動線濾波"]
Q["最小化開關節點"] --> R["地平面遮罩"]
S["高壓電路隔離"] --> T["單獨佈局區域"]
end
M --> BATTERY[電池輸入]
O --> PUMP[泵驅動線路]
Q --> B
S --> F
subgraph "可靠性增強設計"
U["RC緩衝網路"] --> V["抑制電壓尖峰"]
W["TVS保護陣列"] --> X["電氣應力保護"]
Y["柵極箝位"] --> Z["防止柵極過壓"]
AA["限流電阻"] --> AB["短路電流限制"]
AC["故障診斷"] --> AD["多維度監測"]
end
U --> B
W --> B
Y --> F
AA --> F
AC --> MCU[主控MCU]
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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