graph LR
subgraph "三相PFC/整流模式"
A[三相400VAC输入] --> B[EMI滤波器]
B --> C[三相整流桥]
C --> D[直流母线电容]
D --> E[PFC电感]
E --> F["VBM18R11S \n 高压MOSFET"]
F --> G[高压直流母线]
H[PFC控制器] --> I[栅极驱动器]
I --> F
end
subgraph "双向逆变模式"
G --> J[全桥逆变电路]
subgraph J ["全桥开关阵列"]
K1["VBM18R11S"]
K2["VBM18R11S"]
K3["VBM18R11S"]
K4["VBM18R11S"]
end
K1 --> L[LCL滤波器]
K2 --> L
K3 --> L
K4 --> L
L --> M[电网]
N[逆变控制器] --> O[栅极驱动器]
O --> K1
O --> K2
O --> K3
O --> K4
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电池侧双向DC/DC变换拓扑详图
graph TB
subgraph "双向Buck-Boost变换器"
A[高压直流母线] --> B[高频变压器]
B --> C[同步整流节点]
subgraph "同步整流MOSFET阵列"
Q1["VBE1305 \n 30V/85A"]
Q2["VBE1305 \n 30V/85A"]
Q3["VBE1305 \n 30V/85A"]
Q4["VBE1305 \n 30V/85A"]
end
C --> Q1
C --> Q2
Q1 --> D[输出滤波电感]
Q2 --> D
D --> E[输出滤波电容]
E --> F[电池侧直流母线]
subgraph "反向Boost模式"
F --> G["VBE1305 \n 30V/85A"]
G --> H[升压电感]
H --> B
end
end
subgraph "电池簇智能管理"
I[AI控制器] --> J["VBQA2311 \n 智能开关"]
J --> K[电池模块1]
I --> L["VBQA2311 \n 智能开关"]
L --> M[电池模块2]
I --> N["VBQA2311 \n 智能开关"]
N --> O[电池模块3]
K --> P[电池侧直流母线]
M --> P
O --> P
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style J fill:#fff3e0,stroke:#ff9800,stroke-width:2px
热管理与系统保护拓扑详图
graph LR
subgraph "三级热管理系统"
A["一级: 液冷板 \n 目标ΔT<35℃"] --> B["主功率IGBT/SiC模块"]
C["二级: 强制风冷 \n 目标ΔT<50℃"] --> D["VBM18R11S MOSFET"]
E["三级: PCB导热 \n 目标ΔT<30℃"] --> F["VBE1305 & 控制IC"]
G[温度传感器阵列] --> H[AI热管理控制器]
H --> I[液冷泵PWM控制]
H --> J[风扇速度控制]
I --> K[液冷循环泵]
J --> L[散热风扇组]
end
subgraph "电磁兼容与保护网络"
M["多级EMI滤波器"] --> N[电网输入端]
O["RC缓冲电路"] --> P["VBM18R11S开关节点"]
Q["RCD缓冲电路"] --> R["高频变压器"]
S["TVS阵列"] --> T["栅极驱动芯片"]
U["高频霍尔传感器"] --> V[电流检测]
V --> W[FPGA硬件保护]
W --> X[故障锁存关断]
X --> D
X --> Q1
end
subgraph "AI预测性维护"
Y["Rds(on)在线监测"] --> Z["VBE1305 MOSFET"]
AA["热循环计数"] --> BB["焊点疲劳分析"]
CC["振动传感器"] --> DD["连接器状态"]
Y --> EE[AI故障预测模型]
AA --> EE
CC --> EE
EE --> FF[维护预警信号]
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Z fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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