graph LR
subgraph "DC-DC升压变换器"
A[光伏直流输入] --> B[升压电感]
B --> C[开关节点]
C --> D["VBN165R20S \n 升压开关管"]
D --> E[高压直流母线]
E --> F[输出电容]
G[升压控制器] --> H[栅极驱动器]
H --> D
E -->|电压反馈| G
end
subgraph "三相逆变桥臂"
E --> I[逆变桥输入]
subgraph "A相桥臂"
J["VBN165R20S \n 上管"] --> K[输出A相]
L["VBN165R20S \n 下管"] --> M[桥臂中点]
end
subgraph "B相桥臂"
N["VBN165R20S \n 上管"] --> O[输出B相]
P["VBN165R20S \n 下管"] --> Q[桥臂中点]
end
subgraph "C相桥臂"
R["VBN165R20S \n 上管"] --> S[输出C相]
T["VBN165R20S \n 下管"] --> U[桥臂中点]
end
V[逆变控制器] --> W[三相栅极驱动器]
W --> J
W --> L
W --> N
W --> P
W --> R
W --> T
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style J fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style L fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电池管理系统拓扑详图
graph TB
subgraph "电池保护主回路"
A["电池正极"] --> B["主保护开关"]
B --> C[主直流母线]
C --> D["负载/充电器"]
B -->|大电流路径| E["VBL2403 \n -40V/-150A"]
E --> F[回路负极]
end
subgraph "主动均衡电路"
subgraph "电池串1"
G[单体电池1] --> H[均衡开关1]
end
subgraph "电池串2"
I[单体电池2] --> J[均衡开关2]
end
subgraph "电池串N"
K[单体电池N] --> L[均衡开关N]
end
M[均衡控制器] --> H
M --> J
M --> L
H --> N[均衡总线]
J --> N
L --> N
end
subgraph "监测与保护"
O[电压检测] --> P[BMS主控]
Q[电流检测] --> P
R[温度检测] --> P
P --> S[保护逻辑]
S --> T[故障锁存]
T --> U[关断信号]
U --> B
end
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
辅助系统拓扑详图
graph TB
subgraph "辅助电源管理"
A[主直流输入] --> B[辅助电源模块]
B --> C[12V辅助总线]
C --> D[5V/3.3V转换器]
D --> E[数字逻辑电源]
end
subgraph "智能负载开关阵列"
F[MCU GPIO] --> G[电平转换电路]
subgraph "监控设备通道"
H["VBA2309B \n 开关1"] --> I[监控设备]
end
subgraph "通信模块通道"
J["VBA2309B \n 开关2"] --> K[通信模块]
end
subgraph "风机驱动通道"
L["VBA2309B \n 开关3"] --> M[散热风扇]
end
subgraph "照明控制通道"
N["VBA2309B \n 开关4"] --> O[站内照明]
end
G --> H
G --> J
G --> L
G --> N
end
subgraph "环境适应性设计"
P[三防漆涂层] --> Q[PCB防护]
R[密封连接器] --> S[接口防护]
T[盐雾防护] --> U[器件封装]
V[湿度监测] --> W[MCU告警]
end
style H fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style J fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style L fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style N fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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