graph LR
subgraph "三相逆变桥功率级"
A["直流母线 \n 300-800VDC"] --> B["三相逆变桥"]
subgraph B ["IGBT模块"]
direction LR
U_PHASE["VBP112MI75 \n 上管"]
U_NPHASE["VBP112MI75 \n 下管"]
V_PHASE["VBP112MI75 \n 上管"]
V_NPHASE["VBP112MI75 \n 下管"]
W_PHASE["VBP112MI75 \n 上管"]
W_NPHASE["VBP112MI75 \n 下管"]
end
U_PHASE --> C["U相输出"]
U_NPHASE --> D["U相返回"]
V_PHASE --> E["V相输出"]
V_NPHASE --> F["V相返回"]
W_PHASE --> G["W相输出"]
W_NPHASE --> H["W相返回"]
C --> I["压缩机 \n U相绕组"]
E --> J["压缩机 \n V相绕组"]
G --> K["压缩机 \n W相绕组"]
D --> L["直流地"]
F --> L
H --> L
end
subgraph "驱动与保护电路"
M["DSP/PWM控制器"] --> N["三相栅极驱动器"]
N --> U_PHASE
N --> U_NPHASE
N --> V_PHASE
N --> V_NPHASE
N --> W_PHASE
N --> W_NPHASE
subgraph "保护网络"
O["RCD吸收电路"] --> U_PHASE
P["过流检测电路"] --> I
Q["温度传感器"] --> R["散热器"]
S["直流母线检测"] --> A
end
O --> T["能量泄放"]
P --> M
Q --> M
S --> M
end
style U_PHASE fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style U_NPHASE fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
高效风机驱动拓扑详图
graph TB
subgraph "室外风机驱动通道"
A["200V直流电源"] --> B["室外风机逆变桥"]
subgraph B ["三相MOSFET桥臂"]
direction LR
OUT_U_H["VBN1206N \n 上管"]
OUT_U_L["VBN1206N \n 下管"]
OUT_V_H["VBN1206N \n 上管"]
OUT_V_L["VBN1206N \n 下管"]
OUT_W_H["VBN1206N \n 上管"]
OUT_W_L["VBN1206N \n 下管"]
end
OUT_U_H --> C["U相输出"]
OUT_U_L --> D["U相返回"]
OUT_V_H --> E["V相输出"]
OUT_V_L --> F["V相返回"]
OUT_W_H --> G["W相输出"]
OUT_W_L --> H["W相返回"]
C --> I["室外风机 \n U相绕组"]
E --> J["室外风机 \n V相绕组"]
G --> K["室外风机 \n W相绕组"]
D --> L["风机地"]
F --> L
H --> L
end
subgraph "室内风机驱动通道"
M["200V直流电源"] --> N["室内风机逆变桥"]
subgraph N ["三相MOSFET桥臂"]
direction LR
IN_U_H["VBN1206N \n 上管"]
IN_U_L["VBN1206N \n 下管"]
IN_V_H["VBN1206N \n 上管"]
IN_V_L["VBN1206N \n 下管"]
IN_W_H["VBN1206N \n 上管"]
IN_W_L["VBN1206N \n 下管"]
end
IN_U_H --> O["U相输出"]
IN_U_L --> P["U相返回"]
IN_V_H --> Q["V相输出"]
IN_V_L --> R["V相返回"]
IN_W_H --> S["W相输出"]
IN_W_L --> T["W相返回"]
O --> U["室内风机 \n U相绕组"]
Q --> V["室内风机 \n V相绕组"]
S --> W["室内风机 \n W相绕组"]
P --> X["风机地"]
R --> X
T --> X
end
subgraph "FOC控制与驱动"
Y["FOC控制器"] --> Z["双通道栅极驱动器"]
Z --> OUT_U_H
Z --> OUT_U_L
Z --> IN_U_H
Z --> IN_U_L
I -->|电流反馈| Y
U -->|电流反馈| Y
AA["霍尔传感器"] -->|位置反馈| Y
BB["转速检测"] -->|速度反馈| Y
end
style OUT_U_H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style IN_U_H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能电源管理拓扑详图
graph LR
subgraph "多路智能负载开关"
A["主控MCU"] --> B["电平转换/驱动"]
B --> C["VBA5638 \n 通道1"]
B --> D["VBA5638 \n 通道2"]
B --> E["VBA5638 \n 通道3"]
B --> F["VBA5638 \n 通道4"]
subgraph C ["VBA5638双MOS结构"]
direction TB
C_N["N沟道MOSFET"]
C_P["P沟道MOSFET"]
C_IN["控制输入"]
end
subgraph D ["VBA5638双MOS结构"]
direction TB
D_N["N沟道MOSFET"]
D_P["P沟道MOSFET"]
D_IN["控制输入"]
end
subgraph E ["VBA5638双MOS结构"]
direction TB
E_N["N沟道MOSFET"]
E_P["P沟道MOSFET"]
E_IN["控制输入"]
end
subgraph F ["VBA5638双MOS结构"]
direction TB
F_N["N沟道MOSFET"]
F_P["P沟道MOSFET"]
F_IN["控制输入"]
end
G["24V辅助电源"] --> C_P
H["12V辅助电源"] --> D_P
H --> E_P
I["5V辅助电源"] --> F_P
C_N --> J["导风板步进电机"]
D_N --> K["电辅热模块"]
E_N --> L["显示面板"]
F_N --> M["传感器阵列"]
J --> N["地"]
K --> N
L --> N
M --> N
end
subgraph "时序控制与保护"
O["电源管理IC"] --> A
P["电压检测"] --> O
Q["电流检测"] --> O
R["温度监控"] --> O
subgraph "保护功能"
S["过流保护"] --> T["故障锁存"]
U["过温保护"] --> T
V["软启动控制"] --> W["PWM调制"]
end
T --> X["关断信号"]
X --> C
X --> D
X --> E
X --> F
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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