graph LR
subgraph "反激式隔離電源"
A["工業AC輸入 \n 220V/380V"] --> B["整流濾波"]
B --> C["高壓直流 \n 540VDC"]
C --> D["反激變壓器初級"]
D --> E["開關節點"]
E --> F["VBFB19R07S \n 900V/7A"]
F --> G["初級地"]
H["PWM控制器"] --> I["隔離驅動"]
I --> F
C -->|電壓回饋| H
subgraph "隔離輸出"
J["變壓器次級1"] --> K["整流濾波"] --> L["12V輸出"]
M["變壓器次級2"] --> N["整流濾波"] --> O["5V輸出"]
P["變壓器次級3"] --> Q["整流濾波"] --> R["24V輸出"]
end
L --> S["控制電路"]
O --> T["MCU/感測器"]
R --> U["通信模組"]
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
加藥泵電機驅動拓撲詳圖
graph TB
subgraph "H橋驅動拓撲"
A["直流電源 \n 24V/48V"] --> B["上橋臂開關"]
A --> C["下橋臂開關"]
subgraph "功率開關陣列"
Q1["VBGL11205 \n Q1"]
Q2["VBGL11205 \n Q2"]
Q3["VBGL11205 \n Q3"]
Q4["VBGL11205 \n Q4"]
end
B --> Q1
B --> Q2
C --> Q3
C --> Q4
Q1 --> D["電機正端"]
Q2 --> D
Q3 --> E["電機負端"]
Q4 --> E
D --> F["加藥泵電機"]
E --> F
G["電機驅動器"] --> H["柵極驅動器"]
H --> Q1
H --> Q2
H --> Q3
H --> Q4
subgraph "保護電路"
I["電流檢測"] --> J["比較器"]
K["溫度檢測"] --> L["鎖存器"]
M["續流二極體"] --> Q1
end
J --> N["故障信號"]
L --> N
N --> O["關斷控制"]
O --> H
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能閥組控制拓撲詳圖
graph LR
subgraph "多路閥組控制"
A["MCU GPIO"] --> B["電平轉換"]
B --> C["VBA5410輸入"]
subgraph C ["VBA5410 互補MOS對"]
direction LR
IN_P["P-MOS柵極"]
IN_N["N-MOS柵極"]
S_P["P-MOS源極"]
S_N["N-MOS源極"]
D_P["P-MOS漏極"]
D_N["N-MOS漏極"]
end
D_P --> D["負載電源+"]
D_N --> E["負載電源-"]
S_P --> F["閥組負載"]
S_N --> F
F --> G["地"]
subgraph "H橋閥控應用"
H["VBA5410-A"] --> I["閥位A+"]
J["VBA5410-B"] --> K["閥位A-"]
L["VBA5410-C"] --> M["閥位B+"]
N["VBA5410-D"] --> O["閥位B-"]
P["控制邏輯"] --> H
P --> J
P --> L
P --> N
end
end
subgraph "感測器電源管理"
Q["VBA5410"] --> R["感測器電源開關"]
R --> S["pH感測器"]
R --> T["ORP感測器"]
R --> U["濁度感測器"]
V["MCU"] --> Q
S --> W["ADC介面"]
T --> W
U --> W
W --> V
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style Q fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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