graph TB
subgraph "三相逆变桥拓扑"
A["直流母线540VDC"] --> B_U["上桥臂U相"]
A --> B_V["上桥臂V相"]
A --> B_W["上桥臂W相"]
B_U --> Q_UH["VBP185R50SFD"]
B_V --> Q_VH["VBP185R50SFD"]
B_W --> Q_WH["VBP185R50SFD"]
Q_UH --> C_U["U相输出"]
Q_VH --> C_V["V相输出"]
Q_WH --> C_W["W相输出"]
C_U --> D["永磁同步电机"]
C_V --> D
C_W --> D
E["下桥臂U相"] --> Q_UL["VBP185R50SFD"]
F["下桥臂V相"] --> Q_VL["VBP185R50SFD"]
G["下桥臂W相"] --> Q_WL["VBP185R50SFD"]
Q_UL --> C_U
Q_VL --> C_V
Q_WL --> C_W
E --> H[逆变器地]
F --> H
G --> H
end
subgraph "栅极驱动与保护"
I["FOC控制器"] --> J["三相栅极驱动器"]
J --> K_U["U相驱动信号"]
J --> K_V["V相驱动信号"]
J --> K_W["W相驱动信号"]
K_U --> Q_UH
K_U --> Q_UL
K_V --> Q_VH
K_V --> Q_VL
K_W --> Q_WH
K_W --> Q_WL
subgraph "缓冲吸收电路"
L_U["RC吸收网络U相"]
L_V["RC吸收网络V相"]
L_W["RC吸收网络W相"]
end
L_U --> C_U
L_V --> C_V
L_W --> C_W
subgraph "电流检测"
M["三相电流传感器"] --> N["ADC采样电路"]
N --> I
end
subgraph "电压与温度监测"
O["直流母线电压检测"] --> I
P["MOSFET温度检测"] --> I
end
end
style Q_UH fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q_UL fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
门机控制拓扑详图
graph LR
subgraph "门机H桥驱动电路"
A["24VDC电源"] --> B["输入滤波电容"]
B --> C["H桥供电母线"]
subgraph "H桥功率级"
D["上桥左臂"] --> Q_H1["VBA2305"]
E["上桥右臂"] --> Q_H2["VBA2305"]
F["下桥左臂"] --> Q_L1["VBA2305"]
G["下桥右臂"] --> Q_L2["VBA2305"]
end
C --> D
C --> E
Q_H1 --> H["电机正端"]
Q_H2 --> I["电机负端"]
Q_L1 --> H
Q_L2 --> I
H --> J["电梯门机 \n 直流电机"]
I --> J
F --> K[门机地]
G --> K
end
subgraph "门机控制与保护"
L["门机控制器MCU"] --> M["H桥驱动器"]
M --> N["PWM信号生成"]
N --> Q_H1
N --> Q_H2
N --> Q_L1
N --> Q_L2
subgraph "电流检测与保护"
O["电机电流采样"] --> P["过流比较器"]
P --> Q["故障锁存"]
Q --> R["关断信号"]
R --> M
end
subgraph "位置与安全检测"
S["门位置编码器"] --> L
T["防夹传感器"] --> L
U["安全回路检测"] --> L
end
subgraph "续流与保护"
V["续流二极管阵列"] --> H
V --> I
W["TVS保护"] --> C
end
end
style Q_H1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_H2 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
辅助电源智能管理拓扑详图
graph TB
subgraph "多路智能电源分配"
A["12V辅助电源"] --> B["输入滤波与保护"]
B --> C["智能开关总线"]
subgraph "VBC6P3033通道1-2"
D["通道1控制"] --> SW1["VBC6P3033 \n CH1"]
E["通道2控制"] --> SW2["VBC6P3033 \n CH2"]
end
C --> SW1
C --> SW2
SW1 --> F["AI计算单元供电"]
SW2 --> G["传感器阵列供电"]
subgraph "VBC6P3033通道3-4"
H["通道3控制"] --> SW3["VBC6P3033 \n CH3"]
I["通道4控制"] --> SW4["VBC6P3033 \n CH4"]
end
C --> SW3
C --> SW4
SW3 --> J["通信模块供电"]
SW4 --> K["显示面板供电"]
F --> L[辅助电源地]
G --> L
J --> L
K --> L
end
subgraph "智能控制与时序管理"
M["主控MCU"] --> N["GPIO扩展器"]
N --> O["电平转换电路"]
O --> D
O --> E
O --> H
O --> I
subgraph "负载监测"
P["电流检测电路"] --> Q["ADC多路复用"]
Q --> M
end
subgraph "时序控制逻辑"
R["上电时序控制"] --> M
S["节能模式控制"] --> M
T["故障隔离逻辑"] --> M
end
subgraph "保护功能"
U["过流保护"] --> V["快速关断电路"]
W["过温保护"] --> X["热关断电路"]
V --> D
V --> E
V --> H
V --> I
X --> D
X --> E
X --> H
X --> I
end
end
style SW1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style SW3 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBP185R50SFD规格书
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