graph LR
subgraph "三相电机驱动桥臂"
A[关节驱动总线48V] --> B["VBL1401 \n 上桥臂"]
B --> C[电机绕组U]
D[关节驱动总线48V] --> E["VBL1401 \n 上桥臂"]
E --> F[电机绕组V]
G[关节驱动总线48V] --> H["VBL1401 \n 上桥臂"]
H --> I[电机绕组W]
C --> J["VBL1401 \n 下桥臂"]
F --> K["VBL1401 \n 下桥臂"]
I --> L["VBL1401 \n 下桥臂"]
J --> M[驱动地]
K --> M
L --> M
end
subgraph "驱动与控制电路"
N[驱动控制器] --> O["双通道驱动IC \n 带米勒钳位"]
O --> B
O --> J
P[电流采样] --> N
Q[温度监测] --> N
R[位置编码器] --> N
end
subgraph "EMC抑制与保护"
S[高频薄膜电容] --> A
T[纳米晶磁环] --> C
U[TVS管] --> O
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style J fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
中央高压电源分配与管理拓扑详图
graph TB
subgraph "高压电源输入级"
A[高压电池400V] --> B[两级浪涌保护]
B --> C[EMI滤波器]
C --> D[高压直流母线]
end
subgraph "智能电源分配开关"
D --> E["VBP16R25SFD \n 主开关"]
E --> F[关节系统电源]
E --> G[躯干系统电源]
E --> H[双臂系统电源]
end
subgraph "隔离驱动与保护"
I[控制MCU] --> J[隔离驱动芯片]
J --> E
K[电压检测] --> I
L[电流检测] --> I
M[RC吸收网络] --> E
N[TVS保护] --> J
end
subgraph "DC-DC转换级"
F --> O["48V DC-DC \n 关节驱动"]
G --> P["12V DC-DC \n 控制系统"]
H --> Q["24V DC-DC \n 执行机构"]
end
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
多路辅助执行器与传感器供电拓扑详图
graph LR
subgraph "双路智能电源开关通道"
A[12V辅助总线] --> B["VBQG4338A \n 通道1"]
A --> C["VBQG4338A \n 通道2"]
subgraph B ["通道1内部结构"]
direction LR
GATE1[栅极1]
SOURCE1[源极1]
DRAIN1[漏极1]
end
subgraph C ["通道2内部结构"]
direction LR
GATE2[栅极2]
SOURCE2[源极2]
DRAIN2[漏极2]
end
B --> D[力觉传感器]
C --> E[视觉单元]
D --> F[负载地]
E --> F
end
subgraph "控制与保护电路"
G[MCU GPIO] --> H[电平转换电路]
H --> GATE1
H --> GATE2
I[电流监测] --> G
J[RC滤波] --> GATE1
K[上拉电阻] --> GATE1
end
subgraph "后级电源优化"
L[LDO稳压器] --> D
M[π型滤波器] --> E
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
热管理与可靠性拓扑详图
graph TB
subgraph "三级热管理系统"
A["一级: 液冷散热"] --> B["关节驱动MOSFET \n VBL1401"]
C["二级: 风冷散热"] --> D["高压电源MOSFET \n VBP16R25SFD"]
E["三级: PCB敷铜散热"] --> F["辅助开关MOSFET \n VBQG4338A"]
end
subgraph "温度监测网络"
G["NTC传感器1"] --> H[温度采集IC]
I["NTC传感器2"] --> H
J["NTC传感器3"] --> H
H --> K[主控MCU]
end
subgraph "主动散热控制"
K --> L[液冷泵PWM控制]
K --> M[风扇PWM控制]
L --> N[液冷泵]
M --> O[散热风扇]
end
subgraph "故障保护机制"
P[过流检测] --> Q[比较器]
R[过温检测] --> Q
S[短路检测] --> Q
Q --> T[故障锁存器]
T --> U[快速关断信号]
U --> B
U --> D
U --> F
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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