graph LR
subgraph "三相逆变桥拓扑"
A[高压直流母线 \n 600-800VDC] --> B[三相逆变桥]
subgraph B ["VBL18R13S MOSFET阵列"]
direction LR
Q1[上桥臂A]
Q2[下桥臂A]
Q3[上桥臂B]
Q4[下桥臂B]
Q5[上桥臂C]
Q6[下桥臂C]
end
B --> C[三相交流输出]
C --> D[热泵压缩机]
E[隔离栅极驱动器] --> Q1
E --> Q2
E --> Q3
E --> Q4
E --> Q5
E --> Q6
F[PWM控制器] --> E
D -->|转速反馈| F
end
subgraph "Boost升压变换拓扑"
G[储能电池输入 \n 48-60VDC] --> H[升压电感]
H --> I[Boost开关节点]
I --> J["VBL18R13S \n 开关管"]
J --> K[高压直流母线]
L[Boost控制器] --> M[栅极驱动器]
M --> J
K -->|电压反馈| L
end
subgraph "保护与吸收电路"
N[RC吸收网络] --> Q1
O[RCD缓冲电路] --> J
P[TVS阵列] --> E
Q[直流母线电容] --> A
Q --> K
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style J fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
大电流电机驱动拓扑详图
graph TB
subgraph "H桥电机驱动拓扑"
A[直流电源 \n 48-60VDC] --> B[H桥驱动电路]
subgraph B ["VBL1607V3 MOSFET阵列"]
direction LR
Q_H1[左上开关管]
Q_H2[左下开关管]
Q_H3[右上开关管]
Q_H4[右下开关管]
end
B --> C[电机输出]
C --> D[循环水泵]
C --> E[散热风机]
F[专用电机驱动IC] --> Q_H1
F --> Q_H2
F --> Q_H3
F --> Q_H4
G[MCU PWM控制] --> F
D -->|电流反馈| G
E -->|转速反馈| G
end
subgraph "保护与检测电路"
H[电流检测电阻] --> C
I[比较器] --> H
I --> J[过流保护]
J --> F
K[温度传感器] --> D
K --> L[过热保护]
L --> F
M[续流二极管] --> Q_H1
M --> Q_H2
M --> Q_H3
M --> Q_H4
end
subgraph "PCB热设计"
N[厚铜箔层] --> Q_H1
N --> Q_H2
N --> Q_H3
N --> Q_H4
O[散热过孔阵列] --> N
P[散热器安装] --> Q_H1
P --> Q_H2
P --> Q_H3
P --> Q_H4
end
style Q_H1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能控制与辅助电源拓扑详图
graph LR
subgraph "多路智能负载开关拓扑"
A[MCU GPIO] --> B[电平转换电路]
B --> C["VBA4216 双P-MOSFET"]
subgraph C ["VBA4216内部结构"]
direction TB
CH1[通道1: P-MOS]
CH2[通道2: P-MOS]
GATE1[栅极1]
GATE2[栅极2]
SOURCE1[源极1]
SOURCE2[源极2]
DRAIN1[漏极1]
DRAIN2[漏极2]
end
D[12V辅助电源] --> DRAIN1
D --> DRAIN2
SOURCE1 --> E[电磁阀负载]
SOURCE2 --> F[通信模块]
E --> G[地]
F --> G
H[5V电源] --> I[传感器阵列]
I --> J[MCU ADC]
K[3.3V电源] --> L[通信接口]
L --> M[CAN/RS485]
end
subgraph "栅极驱动与保护"
N[上拉电阻] --> GATE1
N --> GATE2
O[RC滤波网络] --> GATE1
O --> GATE2
P[TVS保护] --> GATE1
P --> GATE2
Q[续流二极管] --> E
Q --> F
end
subgraph "系统监控与通信"
R[温度传感器] --> S[MCU]
T[压力传感器] --> S
U[流量传感器] --> S
S --> V[楼宇控制总线]
S --> W[云平台API]
S --> X[人机界面]
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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