graph TB
subgraph "双向DC-AC三相桥臂"
A["高压直流母线 \n 400-800VDC"] --> B["直流支撑电容"]
B --> C["三相逆变桥"]
subgraph C ["VBP16R26S桥臂"]
direction LR
Q_U1["上管U相"]
Q_V1["上管V相"]
Q_W1["上管W相"]
Q_U2["下管U相"]
Q_V2["下管V相"]
Q_W2["下管W相"]
end
C --> D["三相LC滤波器"]
D --> E["隔离变压器"]
E --> F["电网连接点"]
G["PWM控制器"] --> H["隔离栅极驱动器"]
H --> Q_U1
H --> Q_V1
H --> Q_W1
H --> Q_U2
H --> Q_V2
H --> Q_W2
end
subgraph "驱动与保护电路"
I["驱动电源 \n +15V/-5V"] --> H
J["电流检测"] --> K["过流保护"]
L["电压检测"] --> M["过压保护"]
K --> N["故障锁存"]
M --> N
N --> O["快速关断"]
O --> H
end
subgraph "散热设计"
P["散热器基板"] --> Q_U1
P --> Q_V1
P --> Q_W1
R["强制风冷风扇"] --> P
S["温度传感器"] --> T["温控电路"]
T --> R
end
style Q_U1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电池主动均衡与配电拓扑详图
graph LR
subgraph "电池单体均衡网络"
A["电池串 \n 48-800V"] --> B["电压采样电路"]
B --> C["AFE模拟前端"]
C --> D["均衡控制器"]
subgraph "多路均衡开关矩阵"
direction TB
SW1["VBC6N2005 \n 通道1"]
SW2["VBC6N2005 \n 通道2"]
SW3["VBC6N2005 \n 通道3"]
SW4["VBC6N2005 \n 通道4"]
SW5["VBC6N2005 \n 通道5"]
SW6["VBC6N2005 \n 通道6"]
end
D --> SW1
D --> SW2
D --> SW3
D --> SW4
D --> SW5
D --> SW6
SW1 --> CELL1["单体1"]
SW2 --> CELL2["单体2"]
SW3 --> CELL3["单体3"]
SW4 --> CELL4["单体4"]
SW5 --> CELL5["单体5"]
SW6 --> CELL6["单体6"]
CELL1 --> E["均衡变压器"]
CELL2 --> E
CELL3 --> E
CELL4 --> E
CELL5 --> E
CELL6 --> E
E --> F["均衡能量回收"]
end
subgraph "智能配电管理"
G["MCU控制信号"] --> H["电平转换"]
H --> I["智能开关阵列"]
subgraph I ["多路负载开关"]
direction LR
SW_LOAD1["VBG3638 \n 负载1"]
SW_LOAD2["VBG3638 \n 负载2"]
SW_LOAD3["VBG3638 \n 负载3"]
end
I --> J["关键负载1"]
I --> K["关键负载2"]
I --> L["关键负载3"]
M["电流检测"] --> N["负载监控"]
N --> O["AI调度算法"]
O --> G
end
subgraph "PCB热设计"
P["2oz厚铜PCB"] --> SW1
P --> SW2
P --> SW3
Q["散热过孔阵列"] --> P
R["温度监测点"] --> S["热管理IC"]
end
style SW1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style SW_LOAD1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
辅助电源与保护切换拓扑详图
graph TB
subgraph "辅助DC-DC电源"
A["辅助输入 \n 24VDC"] --> B["输入滤波"]
B --> C["同步降压转换器"]
subgraph "同步整流开关"
Q_SYN1["VBE1305 \n 同步上管"]
Q_SYN2["VBE1305 \n 同步下管"]
end
C --> Q_SYN1
C --> Q_SYN2
Q_SYN1 --> D["输出电感"]
Q_SYN2 --> GND_AUX
D --> E["输出电容"]
E --> F["12V辅助总线"]
F --> G["LDO稳压器"]
G --> H["5V控制电源"]
I["PWM控制器"] --> J["栅极驱动器"]
J --> Q_SYN1
J --> Q_SYN2
end
subgraph "快速保护切换网络"
K["故障检测输入"] --> L["高速比较器"]
L --> M["保护逻辑"]
M --> N["快速开关驱动"]
subgraph "固态保护开关"
SW_PROT1["VBE1305 \n 主路径"]
SW_PROT2["VBE1305 \n 备用路径"]
end
N --> SW_PROT1
N --> SW_PROT2
O["主电源路径"] --> SW_PROT1
P["备用电源路径"] --> SW_PROT2
SW_PROT1 --> Q["受保护负载"]
SW_PROT2 --> Q
R["电流传感器"] --> S["过流检测"]
S --> M
end
subgraph "EMC与防护"
T["输入TVS"] --> A
U["输出TVS"] --> F
V["去耦电容阵列"] --> H
W["屏蔽层接地"] --> X["机壳地"]
end
style Q_SYN1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style SW_PROT1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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