graph TB
subgraph "高压母线预充与保护"
A["高压电池 \n 400-600VDC"] --> B["主保险丝"]
B --> C["预充电路"]
C --> D["VBP165R36SFD \n 主开关"]
D --> E["高压直流母线"]
F["预充控制器"] --> G["隔离驱动器"]
G --> D
subgraph "缓冲与保护"
H["RCD缓冲电路"]
I["TVS阵列"]
J["电压检测"]
end
D --> H
E --> I
E --> J
J --> F
end
subgraph "隔离DC-DC变换级"
E --> K["LLC谐振变换器"]
subgraph "初级侧功率级"
L["VBP165R36SFD \n 上管"]
M["VBP165R36SFD \n 下管"]
N["谐振电感"]
O["谐振电容"]
end
subgraph "次级侧"
P["高频变压器"]
Q["同步整流"]
R["输出滤波"]
end
K --> L
K --> M
L --> N --> O --> P
M --> P
P --> Q --> R --> S["低压输出 \n 48VDC"]
T["LLC控制器"] --> U["隔离驱动"]
U --> L
U --> M
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style L fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
推进电机驱动拓扑详图
graph LR
subgraph "三相逆变桥拓扑"
A["低压直流母线 \n 48VDC"] --> B["直流母线电容"]
B --> C["U相上桥臂"]
B --> D["V相上桥臂"]
B --> E["W相上桥臂"]
C --> F["U相下桥臂 \n VBN1615"]
D --> G["V相下桥臂 \n VBN1615"]
E --> H["W相下桥臂 \n VBN1615"]
F --> I["电机U相"]
G --> J["电机V相"]
H --> K["电机W相"]
I --> L["推进电机"]
J --> L
K --> L
end
subgraph "电机控制与驱动"
M["飞控MCU"] --> N["FOC算法"]
N --> O["三相PWM"]
O --> P["栅极驱动器"]
P --> C
P --> D
P --> E
P --> F
P --> G
P --> H
subgraph "电流检测与反馈"
Q["三相电流检测"]
R["位置传感器"]
end
Q --> N
R --> N
end
subgraph "保护与热管理"
S["直流母线过压保护"] --> B
T["相间短路保护"] --> F
U["过温保护"] --> F
V["一级散热:强制风冷"] --> F
V --> G
V --> H
end
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style H fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载管理拓扑详图
graph TB
subgraph "高压侧智能负载管理"
A["高压直流母线"] --> B["VBJ2208M \n 通道1"]
A --> C["VBJ2208M \n 通道2"]
A --> D["VBJ2208M \n 通道3"]
A --> E["VBJ2208M \n 通道4"]
subgraph "负载优先级管理"
F["关键航电负载1 \n (飞行控制)"]
G["关键航电负载2 \n (通信导航)"]
H["次要负载1 \n (环境控制)"]
I["次要负载2 \n (照明系统)"]
end
B --> F
C --> G
D --> H
E --> I
subgraph "控制与隔离"
J["飞控MCU"] --> K["数字隔离器"]
K --> L["电平转换"]
L --> B
L --> C
L --> D
L --> E
end
subgraph "保护电路"
M["TVS保护"] --> A
N["熔断器"] --> F
O["电流检测"] --> F
P["状态反馈"] --> J
end
end
subgraph "低压侧负载管理"
Q["低压直流母线"] --> R["负载开关阵列"]
R --> S["航电设备1"]
R --> T["航电设备2"]
R --> U["传感器组"]
R --> V["执行机构"]
subgraph "智能配电逻辑"
W["负载优先级排序"]
X["故障隔离"]
Y["上电时序控制"]
end
J --> W --> R
O --> X --> R
J --> Y --> R
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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