graph LR
subgraph "三相双向PFC/逆变主拓扑"
A["三相380VAC \n 电网/发电机"] --> B["输入滤波与保护电路"]
B --> C["三相全桥拓扑"]
subgraph "高压桥臂开关阵列"
VBP16R90S_Q1["VBP16R90S \n 上管"]
VBP16R90S_Q2["VBP16R90S \n 下管"]
VBP16R90S_Q3["VBP16R90S \n 上管"]
VBP16R90S_Q4["VBP16R90S \n 下管"]
end
C --> VBP16R90S_Q1
C --> VBP16R90S_Q2
C --> VBP16R90S_Q3
C --> VBP16R90S_Q4
VBP16R90S_Q1 --> D["高压直流母线 \n 600-800VDC"]
VBP16R90S_Q2 --> E["功率地"]
VBP16R90S_Q3 --> D
VBP16R90S_Q4 --> E
end
subgraph "逆变输出级(IGBT方案)"
D --> F["三相逆变桥"]
subgraph "逆变输出开关阵列"
VBP165I60_T1["VBP165I60 IGBT \n 上管"]
VBP165I60_T2["VBP165I60 IGBT \n 下管"]
VBP165I60_T3["VBP165I60 IGBT \n 上管"]
VBP165I60_T4["VBP165I60 IGBT \n 下管"]
end
F --> VBP165I60_T1
F --> VBP165I60_T2
F --> VBP165I60_T3
F --> VBP165I60_T4
VBP165I60_T1 --> G["交流输出U相"]
VBP165I60_T2 --> E
VBP165I60_T3 --> H["交流输出V相"]
VBP165I60_T4 --> E
end
subgraph "驱动与保护"
I["PFC/逆变控制器"] --> J["隔离栅极驱动器"]
J --> VBP16R90S_Q1
J --> VBP16R90S_Q2
K["IGBT驱动器"] --> L["负压关断电路"]
L --> VBP165I60_T1
L --> VBP165I60_T2
M["电压/电流传感器"] --> I
N["温度传感器"] --> I
end
style VBP16R90S_Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style VBP165I60_T1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
双向DC/DC变换器与电池管理拓扑详图
graph TB
subgraph "双向DC/DC变换器(Buck/Boost)"
A["高压直流母线"] --> B["输入滤波电容"]
B --> C["主功率电感"]
C --> D["开关节点"]
subgraph "高压侧开关"
SW_HV["VBP16R90S \n 或VBP165I60"]
end
subgraph "低压侧开关"
SW_LV1["VBGMB1105 \n 同步整流管"]
SW_LV2["VBGMB1105 \n 同步整流管"]
end
D --> SW_HV
D --> SW_LV1
SW_HV --> E["功率地"]
SW_LV1 --> F["低压直流母线"]
SW_LV2 --> F
C --> SW_LV2
F --> G["输出滤波电容"]
end
subgraph "电池管理系统(BMS)接口"
H["储能电池组"] --> I["电池采样与均衡"]
I --> J["BMS主控"]
J --> K["充放电控制信号"]
K --> L["DC/DC控制器"]
L --> M["栅极驱动器"]
M --> SW_HV
M --> SW_LV1
subgraph "保护功能"
OC_PROTECT["过流保护"]
OV_UV_CELL["单体过压/欠压"]
TEMP_MONITOR["温度监控"]
BALANCING["被动均衡电路"]
end
OC_PROTECT --> J
OV_UV_CELL --> J
TEMP_MONITOR --> J
BALANCING --> I
end
subgraph "辅助负载分配"
F --> N["负载分配网络"]
N --> O["通信模块 \n 12V"]
N --> P["显示单元 \n 12V"]
N --> Q["散热系统 \n 24V"]
N --> R["应急照明 \n 12V"]
end
style SW_HV fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style SW_LV1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style J fill:#fce4ec,stroke:#e91e63,stroke-width:2px
热管理与系统保护拓扑详图
graph LR
subgraph "分级散热系统设计"
A["一级: 液冷散热板"] --> B["液冷板安装面"]
B --> C["大功率IGBT/MOSFET模块"]
D["二级: 铝挤散热器+强制风冷"] --> E["散热齿阵列"]
E --> F["中功率MOSFET阵列"]
G["三级: PCB优化敷铜"] --> H["大面积地平面与热通孔"]
H --> I["控制IC与驱动器"]
J["温度监测网络"] --> K["多点NTC传感器"]
K --> L["MCU温度采集"]
L --> M["散热控制算法"]
M --> N["风扇PWM控制"]
M --> O["水泵速度控制"]
N --> P["冷却风扇组"]
O --> Q["液冷循环泵"]
end
subgraph "多级电气保护网络"
R["交流输入侧保护"] --> S["防雷压敏电阻 \n 与气体放电管"]
T["直流母线保护"] --> U["母线支撑电容 \n 与薄膜电容"]
V["开关管保护"] --> W["RCD缓冲电路 \n 与RC吸收网络"]
X["栅极驱动保护"] --> Y["TVS阵列与稳压管"]
Z["输出侧保护"] --> AA["输出滤波器 \n 与电抗器"]
AB["故障检测与关断"] --> AC["比较器与锁存电路"]
AC --> AD["快速关断信号"]
AD --> C
AD --> F
S --> AE["保护地"]
W --> AE
Y --> AE
end
subgraph "环境适应性设计"
AF["振动加固"] --> AG["器件选型与机械固定"]
AH["三防处理"] --> AI["PCB涂覆与密封"]
AJ["宽温工作"] --> AK["器件降额与热设计"]
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style I fill:#e8f5e8,stroke:#4caf50,stroke-width:2px