graph TB
subgraph "双向AC/DC变换级"
A["三相AC输入 \n 或电网输出"] --> B["EMI滤波器"]
B --> C["三相整流/逆变桥"]
subgraph "主开关阵列"
Q1["VBQE165R20SE \n 650V/20A"]
Q2["VBQE165R20SE \n 650V/20A"]
Q3["VBQE165R20SE \n 650V/20A"]
Q4["VBQE165R20SE \n 650V/20A"]
end
C --> Q1
C --> Q2
C --> Q3
C --> Q4
Q1 --> D["隔离变压器初级"]
Q2 --> D
Q3 --> D
Q4 --> D
D --> E["变压器次级"]
E --> F["同步整流桥"]
F --> G["高压直流母线 \n 200-800VDC"]
end
subgraph "DC-DC升降压变换级"
G --> H["LLC谐振腔"]
H --> I["高频变压器"]
subgraph "DC-DC开关阵列"
Q5["VBQE165R20SE \n 650V/20A"]
Q6["VBQE165R20SE \n 650V/20A"]
end
I --> Q5
I --> Q6
Q5 --> J["输出滤波"]
Q6 --> J
J --> K["充电输出 \n 200-1000VDC"]
end
subgraph "驱动与控制"
L["PFC/LLC控制器"] --> M["隔离驱动器"]
M --> Q1
M --> Q2
M --> Q3
M --> Q4
M --> Q5
M --> Q6
N["电压/电流检测"] --> L
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q5 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电池管理系统拓扑详图
graph LR
subgraph "高压电池组结构"
A["电池模组1 \n 12S"] --> B["电池模组2 \n 12S"]
B --> C["电池模组3 \n 12S"]
C --> D["电池模组N \n 12S"]
end
subgraph "主动均衡电路"
E["均衡控制器"] --> F["VBFB1252M \n 开关矩阵"]
subgraph "开关阵列"
SW1["VBFB1252M \n 250V/17A"]
SW2["VBFB1252M \n 250V/17A"]
SW3["VBFB1252M \n 250V/17A"]
SW4["VBFB1252M \n 250V/17A"]
end
F --> SW1
F --> SW2
F --> SW3
F --> SW4
SW1 --> G["均衡电感"]
SW2 --> G
SW3 --> G
SW4 --> G
G --> H["能量转移总线"]
H --> I["目标模组"]
end
subgraph "高压采样与隔离"
J["电压采样点"] --> K["隔离放大器"]
L["温度传感器"] --> M["隔离ADC"]
K --> N["BMS主控制器"]
M --> N
N --> O["CAN通信"]
O --> P["整车控制器"]
end
subgraph "保护功能"
Q["过压保护"] --> N
R["过流保护"] --> N
S["温度保护"] --> N
T["短路保护"] --> N
end
style SW1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
辅助电源与智能控制拓扑详图
graph TB
subgraph "辅助电源分配"
A["24V辅助总线"] --> B["VBC6P2216 \n 智能开关阵列"]
subgraph "双P-MOS开关组"
SW1["通道1: -20V/-7.5A"]
SW2["通道2: -20V/-7.5A"]
SW3["通道3: -20V/-7.5A"]
SW4["通道4: -20V/-7.5A"]
SW5["通道5: -20V/-7.5A"]
SW6["通道6: -20V/-7.5A"]
end
B --> SW1
B --> SW2
B --> SW3
B --> SW4
B --> SW5
B --> SW6
end
subgraph "负载分组管理"
SW1 --> C["通信系统 \n 5G/卫星/GPS"]
SW2 --> D["环境监控 \n 温湿度/气压"]
SW3 --> E["散热管理 \n 风扇/水泵"]
SW4 --> F["照明系统 \n LED工作灯"]
SW5 --> G["安全系统 \n 摄像头/警报"]
SW6 --> H["人机界面 \n 触摸屏/显示"]
end
subgraph "控制逻辑"
I["主控MCU"] --> J["电平转换电路"]
J --> B
K["负载状态检测"] --> I
L["故障反馈"] --> I
I --> M["PWM控制"]
M --> E
end
subgraph "电源管理"
N["12V降压模块"] --> O["传感器电源"]
P["5V LDO"] --> Q["MCU核心电源"]
R["3.3V LDO"] --> S["通信接口"]
end
subgraph "远程监控"
T["云平台接口"] --> U["远程调度中心"]
V["数据记录"] --> W["故障诊断"]
end
style SW1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style I fill:#fce4ec,stroke:#e91e63,stroke-width:2px
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