graph LR
subgraph "四开关同步升降压拓扑"
A[电池输入] --> B[输入滤波电容]
B --> C[电感L1]
C --> D[开关节点SW]
D --> E["VBE2412 \n 高侧开关"]
E --> F[输出正极]
D --> G["VBE2412 \n 低侧开关"]
G --> H[功率地]
I[升降压控制器] --> J[栅极驱动器]
J --> E
J --> G
F -->|电压反馈| I
K[电流检测] -->|电流反馈| I
end
subgraph "保护电路"
L[输入过压保护] --> M[比较器]
N[输出过流保护] --> O[电流检测放大器]
P[温度保护] --> Q[热敏电阻]
R[软启动电路] --> I
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
三相逆变器与电机驱动拓扑详图
graph TB
subgraph "三相全桥逆变拓扑"
A[直流母线] --> B[母线电容]
B --> C[上桥臂U相]
B --> D[上桥臂V相]
B --> E[上桥臂W相]
C --> F["VBE1102N \n 上管"]
D --> G["VBE1102N \n 上管"]
E --> H["VBE1102N \n 上管"]
F --> I[U相输出]
G --> J[V相输出]
H --> K[W相输出]
I --> L["VBE1102N \n 下管"]
J --> M["VBE1102N \n 下管"]
K --> N["VBE1102N \n 下管"]
L --> O[功率地]
M --> O
N --> O
end
subgraph "FOC控制与驱动"
P[FOC控制器] --> Q[三相预驱动器]
Q --> F
Q --> L
Q --> G
Q --> M
Q --> H
Q --> N
R[电流采样电路] -->|三相电流| P
S[位置传感器] -->|转子位置| P
I -->|U相电压| P
J -->|V相电压| P
K -->|W相电压| P
end
subgraph "电机保护"
T[过流保护] --> U[比较器]
V[短路保护] --> W[硬件关断]
X[过温保护] --> Y[温度传感器]
end
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style L fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载开关管理拓扑详图
graph LR
subgraph "多通道负载开关控制"
A[MCU GPIO] --> B[电平转换电路]
B --> C["VB2120 通道1"]
B --> D["VB2120 通道2"]
B --> E["VB2120 通道3"]
B --> F["VB2120 通道4"]
B --> G["VB2120 通道5"]
B --> H["VB2120 通道6"]
subgraph "负载电源分配"
I[3.3V辅助电源] --> C
J[5V辅助电源] --> D
J --> E
K[12V辅助电源] --> F
K --> G
I --> H
end
C --> L[温湿度传感器]
D --> M[GPS模块]
E --> N[4G通信模块]
F --> O[LED照明]
G --> P[循环风机]
H --> Q[门磁传感器]
end
subgraph "负载状态监测"
L -->|温度数据| R[ADC输入]
M -->|位置数据| S[UART接口]
N -->|通信状态| T[状态指示]
O -->|亮度反馈| U[PWM反馈]
P -->|转速反馈| V[频率检测]
Q -->|开关状态| W[中断输入]
R --> MCU
S --> MCU
T --> MCU
U --> MCU
V --> MCU
W --> MCU
end
subgraph "节能管理策略"
X[温控策略] --> Y[传感器采样周期]
Z[位置上报策略] --> AA[GPS工作模式]
AB[通信策略] --> AC[模块休眠唤醒]
AD[照明策略] --> AE[LED调光控制]
AF[风机策略] --> AG[转速PWM控制]
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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