graph LR
subgraph "三相整流与直流母线"
A[三相400VAC输入] --> B[EMI滤波器]
B --> C[三相整流桥]
C --> D[560VDC直流母线]
D --> E["高压电容组 \n 电解+薄膜组合"]
E --> F[母线电压采样]
F --> G[母线保护电路]
end
subgraph "高压电机驱动H桥"
D --> H["VBP165R67SE \n 上桥臂1"]
D --> I["VBP165R67SE \n 上桥臂2"]
H --> J[电机U相]
I --> K[电机V相]
L["VBP165R67SE \n 下桥臂1"] --> M[功率地]
N["VBP165R67SE \n 下桥臂2"] --> M
J --> L
K --> N
O[电机驱动器] --> P[高压隔离栅极驱动]
P --> H
P --> I
P --> L
P --> N
end
subgraph "保护与缓冲电路"
Q[RCD缓冲电路] --> H
R[RC吸收电路] --> L
S[TVS阵列] --> P
T[电流霍尔传感器] --> U[硬件比较器]
U --> V[故障锁存]
V --> O
end
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style I fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
低压辅助系统与智能配电拓扑
graph TB
subgraph "24V/48V辅助电源"
A[DC560V母线] --> B[DC-DC变换器]
B --> C[48V直流输出]
B --> D[24V直流输出]
C --> E["48V电源管理 \n 过流/过压保护"]
D --> F["24V电源管理 \n 软启动控制"]
end
subgraph "低压电机驱动通道"
E --> G["VBGQA1610 \n 伺服驱动1"]
E --> H["VBGQA1610 \n 伺服驱动2"]
E --> I["VBGQA1610 \n 辅助电机驱动"]
G --> J[伺服转向电机]
H --> K[冷却风扇电机]
I --> L[传送带电机]
M[位置控制器] --> N[低压PWM驱动器]
N --> G
N --> H
J --> O[编码器反馈]
O --> M
end
subgraph "智能负载开关网络"
F --> P["VBE5638 \n 照明通道"]
F --> Q["VBE5638 \n 传感器通道"]
F --> R["VBE5638 \n 通信通道"]
F --> S["VBE5638 \n 安全通道"]
P --> T[LED照明阵列]
Q --> U[光电/接近传感器]
R --> V[CAN/Ethernet模块]
S --> W[安全互锁触点]
X[MCU GPIO] --> Y[电平转换电路]
Y --> P
Y --> Q
Y --> R
Y --> S
end
subgraph "监控与诊断"
Z1[电流采样] --> AA[ADC输入]
Z2[温度监测] --> AA
Z3[状态反馈] --> AA
AA --> X
end
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style P fill:#fff3e0,stroke:#ff9800,stroke-width:2px
热管理与保护电路拓扑
graph LR
subgraph "三级热管理系统"
A["一级:液冷板/强制风冷"] --> B["高压MOSFET \n VBP165R67SE"]
C["二级:散热器+风道"] --> D["多功能开关 \n VBE5638"]
E["三级:PCB敷铜+热孔"] --> F["低压驱动IC \n VBGQA1610"]
subgraph "温度监测网络"
T1["MOSFET NTC"] --> G[温度采集器]
T2["散热器热电偶"] --> G
T3["环境温度传感器"] --> G
G --> H[MCU]
end
H --> I[风扇PWM控制]
H --> J[泵速控制]
I --> K[冷却风扇阵列]
J --> L[液冷泵]
end
subgraph "电气保护网络"
M[直流母线] --> N[压敏电阻+TVS]
N --> O[过压保护]
P[电机驱动输出] --> Q[RC缓冲电路]
P --> R[磁环抑制]
S[栅极驱动电源] --> T[TVS阵列]
U[电流霍尔传感器] --> V[硬件比较器]
V --> W[故障锁存器]
W --> X[关断信号]
X --> B
X --> D
Y[Vds监测电路] --> Z[早期故障诊断]
Z --> H
end
subgraph "EMC设计"
AA[功率回路] --> AB[最小环路面积布局]
AC[敏感信号] --> AD[屏蔽双绞线]
AE[机柜] --> AF[多点接地网络]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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