graph LR
subgraph "三相PFC/逆变级"
A[三相400VAC输入] --> B[EMI滤波器]
B --> C[三相整流桥]
C --> D[PFC升压电感]
D --> E[PFC开关节点]
E --> F["VBM16R41SFD \n 600V/41A"]
F --> G[高压直流母线]
H[PFC控制器] --> I[栅极驱动器]
I --> F
G --> J[逆变桥臂]
subgraph "逆变桥"
K["VBM16R41SFD"]
L["VBM16R41SFD"]
M["VBM16R41SFD"]
N["VBM16R41SFD"]
O["VBM16R41SFD"]
P["VBM16R41SFD"]
end
J --> K
J --> L
K --> AC_OUT1[A相输出]
L --> AC_OUT1
M --> AC_OUT2[B相输出]
N --> AC_OUT2
O --> AC_OUT3[C相输出]
P --> AC_OUT3
Q[逆变控制器] --> R[驱动电路]
R --> K
R --> L
R --> M
R --> N
R --> O
R --> P
end
subgraph "保护电路"
S["RCD有源箝位"] --> F
S --> K
T["母线电容"] --> G
U["RC吸收电路"] --> K
V["电流霍尔传感器"] --> Q
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电池侧DC/DC变换拓扑详图
graph TB
subgraph "多相交错并联DC/DC"
A[电池簇输入] --> B["输入滤波"]
B --> C["多相并联节点"]
subgraph "四相并联MOSFET阵列"
Q_PHASE1["VBGQTA11505 \n 150V/150A"]
Q_PHASE2["VBGQTA11505 \n 150V/150A"]
Q_PHASE3["VBGQTA11505 \n 150V/150A"]
Q_PHASE4["VBGQTA11505 \n 150V/150A"]
end
C --> Q_PHASE1
C --> Q_PHASE2
C --> Q_PHASE3
C --> Q_PHASE4
Q_PHASE1 --> D["高频变压器"]
Q_PHASE2 --> D
Q_PHASE3 --> D
Q_PHASE4 --> D
D --> E["同步整流"]
E --> F["输出滤波"]
F --> G["高压直流母线"]
H["数字控制器"] --> I["隔离驱动器"]
I --> Q_PHASE1
I --> Q_PHASE2
I --> Q_PHASE3
I --> Q_PHASE4
end
subgraph "液冷散热系统"
J["液冷板"] --> Q_PHASE1
J --> Q_PHASE2
J --> Q_PHASE3
J --> Q_PHASE4
K["冷却液入口"] --> J
J --> L["冷却液出口"]
M["温度传感器"] --> H
H --> N["泵速控制"]
end
subgraph "保护与监控"
O["RC缓冲电路"] --> Q_PHASE1
P["电流检测"] --> H
Q["电压检测"] --> H
R["Vds(on)监测"] --> S["SOH评估"]
S --> H
end
style Q_PHASE1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style J fill:#e1f5fe,stroke:#0288d1,stroke-width:2px
热管理与智能控制拓扑详图
graph LR
subgraph "三级热管理架构"
A["一级: 液冷板"] --> B["DC/DC MOSFET"]
C["二级: 风冷散热器"] --> D["逆变级MOSFET"]
E["三级: PCB敷铜"] --> F["控制芯片"]
subgraph "温度监测点"
NTC1["NTC1: DC/DC壳温"]
NTC2["NTC2: 逆变级散热器"]
NTC3["NTC3: 环境温度"]
NTC4["NTC4: 控制板"]
end
NTC1 --> G[MCU]
NTC2 --> G
NTC3 --> G
NTC4 --> G
G --> H[风扇PWM]
G --> I[泵速控制]
H --> J[冷却风扇]
I --> K[液冷泵]
end
subgraph "智能负载管理"
L[MCU GPIO] --> M["电平转换"]
M --> subgraph "VBA1107S智能开关"
N["输入1"]
O["输入2"]
P["输入3"]
Q["输入4"]
end
R[12V辅助电源] --> N
R --> O
R --> P
R --> Q
N --> S["风扇负载"]
O --> T["泵机负载"]
P --> U["预充电路"]
Q --> V["均衡电路"]
end
subgraph "系统状态管理"
W[待机状态] --> X[关闭非必要负载]
Y[充电状态] --> Z[启动全部冷却]
AA[放电状态] --> AB[优化冷却策略]
AC[故障状态] --> AD[安全关断序列]
AE[系统控制器] --> W
AE --> Y
AE --> AA
AE --> AC
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style N fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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