graph LR
subgraph "反激式開關電源拓撲"
A[220VAC輸入] --> B[EMI濾波器]
B --> C[整流橋]
C --> D["高壓直流 \n ~310VDC"]
D --> E[反激變壓器初級]
E --> F["開關節點"]
F --> G["VBMB165R05SE \n 650V/5A"]
G --> H[初級地]
I[PWM控制器] --> J[柵極驅動器]
J --> G
K[回饋網路] --> I
subgraph "次級輸出"
E2[變壓器次級] --> L[整流二極體]
L --> M[LC濾波器]
M --> N["24V/12V/5V輸出"]
end
end
subgraph "保護電路"
O[RCD緩衝電路] --> G
P[過壓保護] --> I
Q[過流檢測] --> I
end
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
超聲波霧化驅動拓撲詳圖
graph TB
subgraph "全橋驅動拓撲"
A[24V直流輸入] --> B[輸入濾波電容]
B --> C["全橋功率級"]
subgraph C ["四路MOSFET全橋"]
direction LR
Q1["VBGL7103 \n 高側1"]
Q2["VBGL7103 \n 高側2"]
Q3["VBGL7103 \n 低側1"]
Q4["VBGL7103 \n 低側2"]
end
D[超聲波驅動IC] --> E[全橋驅動器]
E --> Q1
E --> Q2
E --> Q3
E --> Q4
Q1 --> F["輸出A"]
Q2 --> G["輸出B"]
Q3 --> H[功率地]
Q4 --> H
F --> I[超聲波霧化片]
G --> I
end
subgraph "諧振匹配網路"
I --> J[匹配電感]
J --> K[匹配電容]
K --> L[諧振點優化]
end
subgraph "保護與監控"
M[電流檢測] --> N[過流保護]
O[溫度檢測] --> P[過熱保護]
Q[頻率跟蹤] --> D
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q3 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能負載管理拓撲詳圖
graph LR
subgraph "雙路負載獨立控制"
A[MCU GPIO] --> B[電平轉換]
B --> C["VBQA3102N \n 通道1控制"]
B --> D["VBQA3102N \n 通道2控制"]
subgraph E ["VBQA3102N 內部結構"]
direction TB
IN1[柵極1]
IN2[柵極2]
S1[源極1]
S2[源極2]
D1[漏極1]
D2[漏極2]
end
C --> IN1
D --> IN2
F[12V電源] --> D1
F --> D2
S1 --> G[水泵負載]
S2 --> H[風機負載]
G --> I[負載地]
H --> I
end
subgraph "PWM調速控制"
J[MCU PWM輸出] --> K[頻率調節]
K --> B
L[占空比控制] --> B
end
subgraph "保護功能"
M[電流採樣] --> N[過流檢測]
N --> O[故障信號]
O --> A
P[溫度監控] --> Q[過熱保護]
Q --> A
end
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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