graph LR
subgraph "高压加热器控制回路"
A["660VAC整流输入"] --> B["直流母线 \n ~930VDC"]
B --> C["VBP185R05开关节点"]
C --> D["VBP185R05 \n 850V/5A TO-247"]
D --> E["加热器负载"]
F["高压驱动IC"] --> G["隔离变压器"]
G --> H["栅极驱动信号"]
H --> D
E --> I["温度反馈"]
I --> J["PID控制器"]
J --> F
end
subgraph "电弧控制与保护"
K["VBP185R05 \n 850V/5A TO-247"] --> L["电弧发生器"]
M["RC缓冲电路"] --> K
N["TVS管阵列"] --> K
O["过流检测"] --> P["故障锁存"]
P --> Q["关断信号"]
Q --> K
R["电流互感器"] --> O
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
料钟与阀门电机驱动拓扑详图
graph TB
subgraph "H桥电机驱动拓扑"
A["380VAC整流 \n ~540VDC"] --> B["VBM1203M阵列"]
subgraph B ["H桥配置"]
direction LR
Q1["VBM1203M \n 上管1"]
Q2["VBM1203M \n 下管1"]
Q3["VBM1203M \n 上管2"]
Q4["VBM1203M \n 下管2"]
end
Q1 --> C["电机A相"]
Q2 --> D["电机地"]
Q3 --> E["电机B相"]
Q4 --> D
F["PWM控制器"] --> G["隔离驱动"]
G --> Q1
G --> Q2
G --> Q3
G --> Q4
end
subgraph "保护与监控"
H["续流二极管"] --> Q1
H --> Q3
I["电流检测电阻"] --> D
J["温度传感器"] --> K["热保护"]
L["振动检测"] --> M["机械保护"]
K --> N["故障输出"]
M --> N
N --> O["MCU"]
end
subgraph "散热设计"
P["TO-220散热器"] --> Q1
P --> Q2
P --> Q3
P --> Q4
R["强制风冷风扇"] --> P
S["温度控制"] --> R
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q2 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
辅助控制与逻辑系统拓扑详图
graph LR
subgraph "多路数字输出控制"
A["MCU GPIO"] --> B["电平转换"]
B --> C["VB3222A输入"]
subgraph C ["VB3222A双路MOSFET"]
direction LR
IN1["栅极1"]
IN2["栅极2"]
S1["源极1"]
S2["源极2"]
D1["漏极1"]
D2["漏极2"]
end
VCC_24V["24V辅助电源"] --> D1
VCC_24V --> D2
S1 --> E["继电器线圈1"]
S2 --> F["电磁阀线圈"]
E --> G["地"]
F --> G
end
subgraph "传感器供电管理"
H["VB3222A \n 电源开关"] --> I["温度传感器阵列"]
H --> J["压力传感器"]
H --> K["位置传感器"]
L["过流保护"] --> H
M["MCU使能"] --> H
end
subgraph "PCB热设计与EMC"
N["大面积铺铜"] --> C
O["散热过孔"] --> N
P["栅极电阻"] --> IN1
P --> IN2
Q["TVS保护"] --> IN1
R["铁氧体磁珠"] --> E
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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