graph LR
subgraph "升压DC-DC转换器"
A["蓄电池输入 \n 12V/24V"] --> B[升压电感]
B --> C[开关节点]
C --> D["VBP1302N \n 300V/80A"]
D --> E[高压直流母线]
F[升压控制器] --> G[栅极驱动器]
G --> D
E -->|电压反馈| F
end
subgraph "高压脉冲发生电路"
E --> H[储能电容]
H --> I["VBP1254N \n 250V/60A"]
I --> J[高压脉冲变压器]
J --> K[高压输出]
L[脉冲控制器] --> M[栅极驱动器]
M --> I
end
subgraph "H桥电机驱动"
A --> N[H桥控制器]
subgraph "H桥功率级"
Q1["VBP1254N \n 250V/60A"]
Q2["VBP1254N \n 250V/60A"]
Q3["VBP1254N \n 250V/60A"]
Q4["VBP1254N \n 250V/60A"]
end
N --> O[H桥驱动器]
O --> Q1
O --> Q2
O --> Q3
O --> Q4
Q1 --> P[电机正端]
Q2 --> R[电机负端]
Q3 --> R
Q4 --> P
P --> S[电机锁止机构]
R --> S
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style I fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
graph LR
subgraph "电气保护网络"
A["高压直流母线"] --> TVS1["TVS管阵列"]
A --> B[RC缓冲电路]
B --> C["VBP1302N漏极"]
D["VBP1254N漏极"] --> TVS2["TVS管"]
D --> E[RC吸收电路]
subgraph "栅极驱动保护"
F["栅极驱动器输出"] --> G[栅极电阻]
G --> H[栅源TVS]
H --> I["MOSFET栅极"]
end
subgraph "负载反冲保护"
J["感性负载"] --> K[续流二极管]
K --> L[电源总线]
J --> M[RCD缓冲]
M --> L
end
end
subgraph "热管理系统"
subgraph "一级散热:高压MOSFET"
N["铝制散热器"] --> O["导热硅脂"]
O --> P["VBP1302N/VBP1254N"]
Q["金属外壳"] --> R["导热垫"]
R --> P
end
subgraph "二级散热:智能开关"
S["PCB多层敷铜"] --> T["散热过孔"]
T --> U["VBQF4338"]
end
subgraph "温度监控"
V["NTC温度传感器"] --> W["ADC输入"]
X["数字温度传感器"] --> Y["I2C接口"]
W --> MCU["微控制器"]
Y --> MCU
MCU --> Z[风扇PWM控制]
Z --> FAN["散热风扇"]
end
end
subgraph "故障检测与关断"
FAULT_DETECT["故障检测电路"] --> COMPARATOR["比较器阵列"]
COMPARATOR --> LATCH["故障锁存器"]
LATCH --> GATE_DISABLE["栅极关断"]
LATCH --> POWER_DISABLE["电源关断"]
GATE_DISABLE --> DRIVERS["所有栅极驱动器"]
POWER_DISABLE --> RELAY["电源继电器"]
end
style P fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style U fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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