graph LR
subgraph "三相IGBT逆变桥"
A[高压直流母线] --> B[U相上桥臂]
A --> C[V相上桥臂]
A --> D[W相上桥臂]
subgraph B ["U相桥臂"]
direction TB
U_H["VBP16I40 \n 上桥IGBT"]
U_L["VBP16I40 \n 下桥IGBT"]
end
subgraph C ["V相桥臂"]
direction TB
V_H["VBP16I40 \n 上桥IGBT"]
V_L["VBP16I40 \n 下桥IGBT"]
end
subgraph D ["W相桥臂"]
direction TB
W_H["VBP16I40 \n 上桥IGBT"]
W_L["VBP16I40 \n 下桥IGBT"]
end
U_H --> U_OUT[U相输出]
U_L --> GND1[功率地]
V_H --> V_OUT[V相输出]
V_L --> GND2[功率地]
W_H --> W_OUT[W相输出]
W_L --> GND3[功率地]
end
subgraph "驱动与保护电路"
E[PWM控制器] --> F[隔离驱动芯片]
F --> G[栅极电阻网络]
G --> U_H
G --> U_L
G --> V_H
G --> V_L
G --> W_H
G --> W_L
H[直流母线电压检测] --> I[过压/欠压保护]
J[相电流霍尔传感器] --> K[硬件过流保护]
L[Vce退饱和检测] --> M[短路保护]
N[RCD缓冲电路] --> U_H
N --> V_H
N --> W_H
end
subgraph "电机连接与反馈"
U_OUT --> O[推进电机U相]
V_OUT --> P[推进电机V相]
W_OUT --> Q[推进电机W相]
R[旋转变压器/编码器] --> S[位置速度反馈]
T[电机温度传感器] --> U[温度监控]
end
style U_H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style V_H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style W_H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
高压DC-DC变换拓扑详图
graph TB
subgraph "高压侧功率级"
A[高压直流母线400-500V] --> B[输入滤波电容]
B --> C[LLC谐振腔]
subgraph C ["LLC谐振元件"]
direction LR
Lr[谐振电感]
Cr[谐振电容]
Lm[变压器励磁电感]
end
Lr --> D[高频变压器初级]
Cr --> D
Lm --> D
subgraph E ["高压开关桥臂"]
direction LR
Q1["VBM18R20S \n 高压MOSFET"]
Q2["VBM18R20S \n 高压MOSFET"]
end
D --> Q1
D --> Q2
Q1 --> F[功率地]
Q2 --> F
end
subgraph "隔离变压器与次级"
G[高频变压器次级] --> H[同步整流桥]
subgraph H ["同步整流电路"]
direction LR
SR1["同步整流MOSFET"]
SR2["同步整流MOSFET"]
end
SR1 --> I[输出滤波电感]
SR2 --> J[输出滤波电容]
I --> J
J --> K[医疗设备母线]
J --> L[辅助电源母线]
end
subgraph "控制与反馈"
M[LLC控制器] --> N[高压侧驱动器]
N --> Q1
N --> Q2
O[同步整流控制器] --> P[同步整流驱动器]
P --> SR1
P --> SR2
Q[输出电压采样] --> R[电压反馈]
S[输出电流采样] --> T[电流反馈]
R --> M
T --> M
end
subgraph "保护功能"
U[输入过压保护] --> V[保护逻辑]
W[输出过流保护] --> V
X[过热保护] --> V
Y[短路保护] --> V
V --> Z[关断控制]
Z --> N
Z --> P
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style SR1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
医疗负载管理与热管理拓扑详图
graph LR
subgraph "智能负载开关矩阵"
A[医疗设备母线] --> B[负载分配总线]
subgraph C ["优先级管理开关"]
direction TB
PRIO1["最高优先级开关"]
PRIO2["高优先级开关"]
PRIO3["中优先级开关"]
PRIO4["低优先级开关"]
end
B --> PRIO1
B --> PRIO2
B --> PRIO3
B --> PRIO4
subgraph D ["VBA5101M双路开关阵列"]
direction TB
SW1["VBA5101M通道1 \n 除颤器"]
SW2["VBA5101M通道2 \n 呼吸机"]
SW3["VBA5101M通道1 \n 输液泵"]
SW4["VBA5101M通道2 \n 监护仪"]
SW5["VBA5101M通道1 \n 实验设备"]
end
PRIO1 --> SW1
PRIO2 --> SW2
PRIO2 --> SW3
PRIO3 --> SW4
PRIO4 --> SW5
SW1 --> E[除颤器负载]
SW2 --> F[呼吸机负载]
SW3 --> G[输液泵负载]
SW4 --> H[监护仪负载]
SW5 --> I[实验设备负载]
end
subgraph "负载监控与保护"
J[负载电流检测] --> K[过流保护]
L[负载电压检测] --> M[欠压/过压保护]
N[软启动控制] --> SW1
N --> SW2
O[故障隔离逻辑] --> P[故障状态指示]
Q[负载健康监测] --> R[预测性维护数据]
end
subgraph "三级热管理系统"
subgraph S ["一级热管理:液冷/强风冷"]
direction TB
COLD_PLATE[液冷冷板]
HEAT_SINK[散热器]
FAN_ARRAY[风扇阵列]
end
subgraph T ["二级热管理:强制风冷"]
direction TB
MOSFET_HEATSINK[MOSFET散热器]
TRANSFORMER_COOL[变压器冷却]
AIR_DUCT[风道设计]
end
subgraph U ["三级热管理:PCB导热"]
direction TB
THERMAL_VIAS[散热过孔]
COPPER_POUR[铜箔敷设]
THERMAL_PAD[散热焊盘]
end
V[温度传感器网络] --> W[热管理控制器]
W --> COLD_PLATE
W --> FAN_ARRAY
W --> AIR_DUCT
end
subgraph "飞行阶段负载管理"
X[飞行状态输入] --> Y[负载管理策略]
Y --> PRIO1
Y --> PRIO2
Y --> PRIO3
Y --> PRIO4
Z[紧急模式] --> AA[全功率医疗模式]
AB[巡航模式] --> AC[优化能效模式]
AD[起降模式] --> AE[限制非关键负载]
end
style SW1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBM18R20S规格书
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