graph TB
subgraph "三相逆变桥拓扑"
A["低压直流母线 \n 24V/36V/48V"] --> B["U相上管"]
B["VBGQF1101N \n 100V/50A"] --> C["U相输出"]
A --> D["V相上管"]
D["VBGQF1101N \n 100V/50A"] --> E["V相输出"]
A --> F["W相上管"]
F["VBGQF1101N \n 100V/50A"] --> G["W相输出"]
C --> H["BLDC电机 \n U相绕组"]
E --> I["BLDC电机 \n V相绕组"]
G --> J["BLDC电机 \n W相绕组"]
H --> K["U相下管"]
K["VBGQF1101N \n 100V/50A"] --> L[电机地]
I --> M["V相下管"]
M["VBGQF1101N \n 100V/50A"] --> L
J --> N["W相下管"]
N["VBGQF1101N \n 100V/50A"] --> L
end
subgraph "驱动与控制"
O["BLDC控制器"] --> P["栅极驱动器"]
P --> B
P --> D
P --> F
P --> K
P --> M
P --> N
Q["霍尔传感器"] --> O
R["电流检测"] --> O
S["温度检测"] --> O
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
PTC加热器组控制拓扑详图
graph LR
subgraph "多组PTC加热控制"
A["主直流母线 \n ~310VDC"] --> B["PTC组1开关"]
B["VBGQF1201M \n 200V/10A"] --> C["PTC加热器组1"]
C --> D[加热器地]
A --> E["PTC组2开关"]
E["VBGQF1201M \n 200V/10A"] --> F["PTC加热器组2"]
F --> D
A --> G["PTC组3开关"]
G["VBGQF1201M \n 200V/10A"] --> H["PTC加热器组3"]
H --> D
end
subgraph "PWM温度控制"
I["温度控制器"] --> J["隔离栅极驱动器"]
J --> B
J --> E
J --> G
K["滚筒温度传感器"] --> I
L["出风温度传感器"] --> I
M["目标温度设定"] --> I
end
subgraph "保护电路"
N["过流保护"] --> B
N --> E
N --> G
O["过温保护"] --> I
P["TVS吸收"] --> B
P --> E
P --> G
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
辅助负载智能管理拓扑详图
graph TB
subgraph "多路辅助负载控制"
A["低压直流总线 \n 12V/24V"] --> B["风扇控制开关"]
B["VB2355 \n -30V/-5.6A"] --> C["循环风扇"]
C --> D[辅助地]
A --> E["水泵控制开关"]
E["VB2355 \n -30V/-5.6A"] --> F["排水泵"]
F --> D
A --> G["阀门控制开关"]
G["VB2355 \n -30V/-5.6A"] --> H["电磁阀"]
H --> D
A --> I["传感器电源开关"]
I["VB2355 \n -30V/-5.6A"] --> J["传感器模块"]
J --> D
end
subgraph "AI智能控制"
K["AI主控MCU"] --> L["GPIO控制接口"]
L --> M["电平转换电路"]
M --> B
M --> E
M --> G
M --> I
subgraph "传感器输入"
N["湿度传感器"] --> K
O["温度传感器"] --> K
P["水位传感器"] --> K
end
Q["AI烘干算法"] --> K
end
subgraph "保护与吸收"
R["续流二极管"] --> C
S["RC吸收电路"] --> H
T["TVS防护"] --> J
U["栅极保护"] --> B
U --> E
U --> G
U --> I
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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