graph LR
subgraph "高压直流隔离方案"
A["储能电池组 \n 400-1000VDC"] --> B["直流熔断器"]
B --> C["直流接触器"]
C --> D["主隔离节点"]
subgraph "冗余隔离MOSFET"
M1["VBM17R05SE \n 700V/5A"]
M2["VBM17R05SE \n 700V/5A"]
M3["VBM17R05SE \n 700V/5A"]
end
D --> M1
D --> M2
D --> M3
M1 --> E["隔离后直流母线"]
M2 --> E
M3 --> E
F["隔离驱动电源"] --> G["隔离驱动IC"]
G --> M1
G --> M2
G --> M3
H["电压采样"] --> I["ADC"]
I --> J["主控MCU"]
J --> K["DESAT检测"]
K --> L["故障锁存"]
L --> G
end
subgraph "过压保护与吸收"
E --> M["RC吸收网络"]
E --> N["压敏电阻阵列"]
O["TVS管"] --> P["栅极保护"]
P --> M1
end
style M1 fill:#ffebee,stroke:#f44336,stroke-width:2px
style M2 fill:#ffebee,stroke:#f44336,stroke-width:2px
消防执行机构驱动拓扑详图
graph TB
subgraph "消防泵驱动H桥"
A["隔离后直流母线"] --> B["消防泵驱动电源"]
subgraph "H桥功率管"
Q1["VBPB1202N \n 200V/96A"]
Q2["VBPB1202N \n 200V/96A"]
Q3["VBPB1202N \n 200V/96A"]
Q4["VBPB1202N \n 200V/96A"]
end
B --> Q1
B --> Q3
Q1 --> C["消防泵电机U相"]
Q2 --> D["消防泵电机V相"]
Q3 --> E["消防泵电机W相"]
C --> Q4
D --> Q2
E --> Q4
F["电机控制器"] --> G["三相驱动器"]
G --> Q1
G --> Q2
G --> Q3
G --> Q4
end
subgraph "感性负载保护"
H["续流二极管"] --> Q1
I["有源钳位电路"] --> Q1
J["电流检测"] --> K["过流保护"]
K --> L["快速关断"]
L --> G
end
subgraph "散热设计"
M["铜基板散热"] --> Q1
N["强制风冷风道"] --> Q1
O["温度传感器"] --> P["温控电路"]
P --> Q["PWM调速"]
Q --> R["散热风扇"]
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q2 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
辅助电源与监测控制拓扑详图
graph LR
subgraph "多路负载智能开关"
A["MCU GPIO"] --> B["电平转换器"]
B --> C["VB2120 输入控制"]
subgraph "分布式负载开关矩阵"
SW1["VB2120 \n 传感器1"]
SW2["VB2120 \n 传感器2"]
SW3["VB2120 \n 通信模块"]
SW4["VB2120 \n 报警器"]
SW5["VB2120 \n 备用1"]
SW6["VB2120 \n 备用2"]
end
C --> SW1
C --> SW2
C --> SW3
C --> SW4
D["12V辅助电源"] --> SW1
D --> SW2
D --> SW3
D --> SW4
SW1 --> E["气体探测器"]
SW2 --> F["温度传感器"]
SW3 --> G["CAN/RS485模块"]
SW4 --> H["声光报警单元"]
end
subgraph "监测反馈回路"
E --> I["模拟信号调理"]
F --> J["多路测温电路"]
I --> K["ADC采集"]
J --> K
K --> L["主控MCU"]
G --> M["通信接口"]
M --> L
end
subgraph "保护与诊断"
N["过流检测"] --> SW1
O["短路保护"] --> SW1
P["开路检测"] --> SW1
Q["状态反馈"] --> L
end
style SW1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style SW2 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
系统保护与热管理拓扑详图
graph TB
subgraph "三重监测保护系统"
A["电压监测电路"] --> B["比较器阵列"]
C["电流监测电路"] --> B
D["温度监测电路"] --> B
B --> E["故障判断逻辑"]
E --> F["硬件互锁"]
E --> G["冗余关断"]
F --> H["主隔离驱动器"]
G --> H
subgraph "实时保护参数"
I["母线电压:实时监测"]
J["支路电流:霍尔检测"]
K["关键温度:NTC/PTC"]
end
I --> E
J --> E
K --> E
end
subgraph "EMC与浪涌抑制"
L["TVS管阵列"] --> M["控制信号端口"]
N["高频滤波电容"] --> O["功率回路节点"]
P["共模扼流圈"] --> Q["直流母线入口"]
R["磁环抑制器"] --> S["驱动信号线"]
end
subgraph "热管理分级架构"
subgraph "一级散热(高压隔离管)"
T["绝缘导热垫片"] --> U["液冷板/散热器"]
V["温度传感器"] --> W["温控器"]
W --> X["泵/风扇控制"]
end
subgraph "二级散热(大电流管)"
Y["铜基板散热"] --> Z["强制风道"]
AA["热敏电阻"] --> BB["PWM控制器"]
BB --> CC["调速风扇"]
end
subgraph "三级散热(小信号管)"
DD["PCB敷铜散热"] --> EE["自然对流"]
FF["环境监测"] --> GG["通风控制"]
end
U --> SW_MAIN
Z --> DRV_PUMP
EE --> SW_SENSOR
end
style SW_MAIN fill:#ffebee,stroke:#f44336,stroke-width:2px
style DRV_PUMP fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
点击下载：VBPB1202N规格书
中文
English
