graph LR
subgraph "辅助开关电源功率级"
A["540VDC输入"] --> B["输入滤波"]
B --> C["PWM控制器"]
C --> D["栅极驱动器"]
D --> E["VBMB15R10S \n 高压侧开关"]
E --> F["高频变压器"]
F --> G["输出整流"]
G --> H["输出滤波"]
H --> I["24VDC输出"]
E --> J["缓冲电路"]
J --> K["地"]
end
subgraph "风机驱动电路"
I --> L["风机控制器"]
L --> M["H桥驱动器"]
subgraph "H桥功率级"
N1["VBMB15R10S \n 上桥1"]
N2["VBMB15R10S \n 下桥1"]
N3["VBMB15R10S \n 上桥2"]
N4["VBMB15R10S \n 下桥2"]
end
M --> N1
M --> N2
M --> N3
M --> N4
N1 --> O["风机电机+"]
N2 --> P["风机电机-"]
N3 --> O
N4 --> P
O --> Q["冷凝风机"]
P --> Q
end
subgraph "水泵控制"
I --> R["水泵控制器"]
R --> S["VBMB15R10S \n 开关管"]
S --> T["接触器/继电器"]
T --> U["循环水泵"]
U --> V["地"]
end
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style N1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style S fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能控制模块拓扑详图
graph TB
subgraph "DC-DC同步整流"
A["12V输入"] --> B["VBA3316D \n 同步整流器"]
B --> C["电感储能"]
C --> D["输出电容"]
D --> E["5VDC输出"]
E --> MCU["主控MCU"]
B --> F["PWM控制器"]
F --> G["电流检测"]
G --> H["反馈环路"]
H --> F
end
subgraph "散热风扇H桥控制"
MCU --> I["风扇控制逻辑"]
I --> J["预驱动器"]
J --> K["VBA3316D \n 半桥1"]
J --> L["VBA3316D \n 半桥2"]
K --> M["风扇+"]
L --> N["风扇-"]
M --> FAN["散热风扇"]
N --> FAN
O["转速检测"] --> MCU
end
subgraph "智能阀件控制"
MCU --> P["阀控制逻辑"]
P --> Q["电平转换"]
Q --> R["VBA3316D \n 驱动开关"]
R --> S["电磁阀线圈"]
S --> VALVE["智能膨胀阀"]
T["位置反馈"] --> MCU
end
subgraph "通信与接口"
MCU --> U["CAN收发器"]
MCU --> V["RS485收发器"]
MCU --> W["以太网PHY"]
U --> X["CAN总线"]
V --> Y["RS485总线"]
W --> Z["以太网"]
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style K fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style R fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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