graph LR
subgraph "高压输入与保护"
A["高压电池包 \n 400-800VDC"] --> B["输入滤波器"]
B --> C["防反接保护"]
C --> D["TVS瞬态抑制"]
D --> E["高压直流输入"]
end
subgraph "隔离变换拓扑"
E --> F["谐振电感"]
F --> G["VBE19R07S \n 高压开关"]
G --> H["高频变压器初级"]
H --> I["谐振电容"]
I --> J["VBE19R07S \n 高压开关"]
J --> K["高压地"]
L["高压控制器"] --> M["隔离驱动器"]
M --> G
M --> J
end
subgraph "次级输出"
H -->|磁耦合| N["变压器次级"]
N --> O["同步整流"]
O --> P["输出滤波"]
P --> Q["隔离输出 \n 48V/12V"]
Q --> R["低压负载"]
end
subgraph "保护与控制"
S["RCD钳位电路"] --> G
S --> J
T["电压反馈"] --> L
U["电流检测"] --> L
end
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style J fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电机驱动逆变器拓扑详图
graph TB
subgraph "三相逆变桥"
A["48V直流输入"] --> B["输入电容"]
B --> U_PHASE["U相桥臂"]
B --> V_PHASE["V相桥臂"]
B --> W_PHASE["W相桥臂"]
subgraph "U相桥臂"
direction LR
Q_UH1["VBL1806 \n 高边开关"]
Q_UL1["VBL1806 \n 低边开关"]
end
subgraph "V相桥臂"
direction LR
Q_VH1["VBL1806 \n 高边开关"]
Q_VL1["VBL1806 \n 低边开关"]
end
subgraph "W相桥臂"
direction LR
Q_WH1["VBL1806 \n 高边开关"]
Q_WL1["VBL1806 \n 低边开关"]
end
U_PHASE --> Q_UH1
U_PHASE --> Q_UL1
V_PHASE --> Q_VH1
V_PHASE --> Q_VL1
W_PHASE --> Q_WH1
W_PHASE --> Q_WL1
Q_UH1 --> U_OUT["U相输出"]
Q_UL1 --> DRV_GND1["驱动地"]
Q_VH1 --> V_OUT["V相输出"]
Q_VL1 --> DRV_GND1
Q_WH1 --> W_OUT["W相输出"]
Q_WL1 --> DRV_GND1
end
subgraph "电机与驱动"
U_OUT --> MOTOR1["三相电机"]
V_OUT --> MOTOR1
W_OUT --> MOTOR1
C["电机控制器"] --> D["栅极驱动器"]
D --> Q_UH1
D --> Q_UL1
D --> Q_VH1
D --> Q_VL1
D --> Q_WH1
D --> Q_WL1
end
subgraph "保护与检测"
E["电流传感器"] --> U_OUT
E --> V_OUT
E --> W_OUT
E --> C
F["温度传感器"] --> Q_UH1
F --> C
G["TVS保护"] --> Q_UH1
G --> Q_VH1
G --> Q_WH1
end
style Q_UH1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_VH1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_WH1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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