graph LR
subgraph "LLC谐振变换器主电路"
A["高压直流母线 \n 400VDC"] --> B["VBL18R17SE \n 上管Q1"]
A --> C["VBL18R17SE \n 上管Q2"]
B --> D["谐振电感Lr"]
C --> D
D --> E["谐振电容Cr"]
E --> F["VBL18R17SE \n 下管Q3"]
F --> G["初级地"]
E --> H["VBL18R17SE \n 下管Q4"]
H --> G
D --> I["高频变压器初级"]
I --> J["变压器次级高压"]
end
subgraph "高压隔离驱动"
K["PWM控制器"] --> L["隔离驱动IC1"]
K --> M["隔离驱动IC2"]
L --> B
L --> F
M --> C
M --> H
end
subgraph "保护电路"
N["RCD缓冲电路"] --> B
O["RC吸收电路"] --> F
P["TVS阵列"] --> L
Q["电流互感器"] --> R["过流保护"]
R --> K
end
subgraph "高压输出"
J --> S["倍压整流"]
S --> T["等离子体电极 \n 3-5kV"]
J --> U["半波整流"]
U --> V["紫外灯管 \n 1-2kV"]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
精密运动与泵阀控制拓扑详图
graph TB
subgraph "三相无刷电机驱动桥"
A["24V电源"] --> B["VBMB1206 \n 上管U+"]
A --> C["VBMB1206 \n 上管V+"]
A --> D["VBMB1206 \n 上管W+"]
B --> E["电机U相"]
C --> F["电机V相"]
D --> G["电机W相"]
E --> H["VBMB1206 \n 下管U-"]
F --> I["VBMB1206 \n 下管V-"]
G --> J["VBMB1206 \n 下管W-"]
H --> K["功率地"]
I --> K
J --> K
end
subgraph "电机预驱动"
L["MCU PWM"] --> M["三相预驱动IC"]
M --> B
M --> C
M --> D
M --> H
M --> I
M --> J
end
subgraph "电流检测与保护"
N["低侧电流检测"] --> O["高精度运放"]
O --> P["过流比较器"]
P --> Q["故障锁存"]
Q --> M
R["温度传感器"] --> S["过温保护"]
S --> Q
end
subgraph "泵阀控制"
T["MCU GPIO"] --> U["电平转换"]
U --> V["VBMB1206 \n 泵控制"]
V --> W["消毒液泵"]
W --> X["泵地"]
T --> Y["VBMB1206 \n 阀控制"]
Y --> Z["电磁阀阵列"]
Z --> X
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style V fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
辅助电源与负载管理拓扑详图
graph LR
subgraph "隔离辅助电源"
A["高压母线"] --> B["VB1101M \n 原边开关"]
B --> C["隔离变压器"]
C --> D["同步整流"]
D --> E["5V输出"]
E --> F["LDO稳压器"]
F --> G["3.3V MCU电源"]
end
subgraph "智能负载开关网络"
subgraph "传感器供电"
H["3.3V电源"] --> I["VB1101M \n SW1"]
I --> J["温度传感器"]
K["VB1101M \n SW2"] --> L["湿度传感器"]
M["VB1101M \n SW3"] --> N["压力传感器"]
end
subgraph "外设控制"
O["MCU GPIO1"] --> P["VB1101M \n SW4"]
P --> Q["隔离CAN收发器"]
R["MCU GPIO2"] --> S["VB1101M \n SW5"]
S --> T["安全光耦"]
U["MCU GPIO3"] --> V["VB1101M \n SW6"]
V --> W["状态指示灯"]
end
subgraph "保护与监控"
X["过流检测"] --> Y["比较器"]
Y --> Z["故障中断"]
Z --> MCU["主MCU"]
AA["ADC监测"] --> AB["电压/电流"]
AB --> MCU
end
style I fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style P fill:#fff3e0,stroke:#ff9800,stroke-width:2px
热管理与医疗绝缘拓扑详图
graph TB
subgraph "三级热管理系统"
A["一级: 液冷板"] --> B["高压MOSFET阵列"]
C["二级: 强制风冷"] --> D["电机驱动MOSFET"]
E["三级: PCB敷铜"] --> F["辅助电源MOSFET"]
G["温度传感器网络"] --> H["MCU热管理"]
H --> I["风扇PWM控制"]
H --> J["泵速控制"]
I --> K["散热风扇组"]
J --> L["液冷循环泵"]
end
subgraph "医疗级绝缘设计"
M["高压区域绝缘"] --> N["爬电距离≥8mm"]
M --> O["电气间隙≥5mm"]
P["隔离屏障设计"] --> Q["IEC60601-1标准"]
R["绝缘材料"] --> S["CTI≥600V"]
T["接地系统"] --> U["医疗保护地"]
end
subgraph "保护电路网络"
V["RCD缓冲"] --> B
W["RC吸收"] --> B
X["TVS阵列"] --> Y["所有栅极驱动"]
Z["快速二极管"] --> D
AA["电流限制"] --> BB["逐周期保护"]
CC["温度监控"] --> DD["分级降额"]
end
subgraph "降额设计"
EE["高压MOSFET"] --> FF["电流降额60%"]
GG["环境温度"] --> HH["最高55°C"]
II["结温裕量"] --> JJ["≥30°C"]
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
点击下载：VB1101M规格书
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