graph TB
subgraph "高压智能配电"
A["高压电池包 \n 400VDC"] --> B["预充电路"]
B --> C["高压主接触器"]
C --> D["高压配电节点"]
D --> E["VBM17R10 \n 智能配电开关"]
E --> F["隔离DC-DC变换器 \n (输入)"]
D --> G["VBM17R10 \n 高压母线开关"]
G --> H["辅助高压负载 \n (PTC/空压机)"]
I["BMS控制器"] --> J["隔离驱动"]
J --> E
J --> G
I -->|电压/电流反馈| BMS_MCU["BMS主控"]
end
subgraph "隔离DC-DC转换级"
F --> K["变压器隔离 \n 原边"]
K --> L["VBM17R10 \n 原边开关"]
L --> M["原边地"]
N["PWM控制器"] --> O["原边驱动器"]
O --> L
K --> P["变压器隔离 \n 副边"]
P --> Q["同步整流器"]
Q --> R["输出滤波"]
R --> S["低压直流母线 \n 24V/12V"]
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style L fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电驱辅助系统拓扑详图
graph LR
subgraph "液压泵电机驱动桥"
A["24V直流母线"] --> B["输入滤波"]
B --> C["三相逆变桥"]
subgraph "三相桥臂MOSFET"
Q_UH["VBGM1402 \n 上桥"]
Q_UL["VBGM1402 \n 下桥"]
Q_VH["VBGM1402 \n 上桥"]
Q_VL["VBGM1402 \n 下桥"]
Q_WH["VBGM1402 \n 上桥"]
Q_WL["VBGM1402 \n 下桥"]
end
C --> Q_UH
C --> Q_VH
C --> Q_WH
Q_UH --> D["U相输出"]
Q_UL --> E["电机地"]
Q_VH --> F["V相输出"]
Q_VL --> E
Q_WH --> G["W相输出"]
Q_WL --> E
D --> H["三相永磁电机 \n (液压泵)"]
F --> H
G --> H
I["电机控制器"] --> J["三相栅极驱动器"]
J --> Q_UH
J --> Q_UL
J --> Q_VH
J --> Q_VL
J --> Q_WH
J --> Q_WL
end
subgraph "散热风机控制"
K["24V直流母线"] --> L["VBGM1402 \n 半桥驱动"]
L --> M["直流风机"]
M --> N["地"]
O["风机控制器"] --> P["PWM驱动器"]
P --> L
end
style Q_UH fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style L fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载管理拓扑详图
graph TB
subgraph "智能负载开关通道1"
A["域控制器GPIO"] --> B["电平转换"]
B --> C["VBQA4317 \n 通道1控制"]
subgraph C ["VBQA4317 双P-MOS内部"]
direction LR
GATE1["栅极1"]
GATE2["栅极2"]
S1["源极1"]
S2["源极2"]
D1["漏极1"]
D2["漏极2"]
end
LV_BUS["24V电源"] --> D1
LV_BUS --> D2
S1 --> D["通信模块 \n 卫星通信"]
S2 --> E["照明系统 \n 警灯警报"]
D --> GND1["地"]
E --> GND1
end
subgraph "智能负载开关通道2"
F["域控制器GPIO"] --> G["电平转换"]
G --> H["VBQA4317 \n 通道2控制"]
subgraph H ["VBQA4317 双P-MOS内部"]
direction LR
GATE3["栅极1"]
GATE4["栅极2"]
S3["源极1"]
S4["源极2"]
D3["漏极1"]
D4["漏极2"]
end
LV_BUS --> D3
LV_BUS --> D4
S3 --> I["搜探照灯 \n 夜间照明"]
S4 --> J["生命探测仪"]
I --> GND2["地"]
J --> GND2
end
subgraph "保护与监控"
K["感性负载保护"] --> L["续流二极管/TVS"]
L --> D
L --> E
L --> I
L --> J
M["电流检测"] --> N["比较器"]
N --> O["故障锁存"]
O --> P["关断信号"]
P --> C
P --> H
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style H fill:#fff3e0,stroke:#ff9800,stroke-width:2px
热管理与保护拓扑详图
graph LR
subgraph "三级分层热管理"
A["一级热源"] --> B["强制风冷系统"]
subgraph A ["一级热源"]
direction TB
MOTOR_MOS["VBGM1402电机MOSFET \n TO-220+大型散热器"]
end
B --> C["主动风冷风扇"]
B --> D["风道设计优化"]
E["二级热源"] --> F["混合冷却系统"]
subgraph E ["二级热源"]
direction TB
HV_MOS["VBM17R10高压MOSFET \n TO-220+散热器"]
end
F --> G["自然对流"]
F --> H["机舱气流利用"]
I["三级热源"] --> J["PCB导热系统"]
subgraph I ["三级热源"]
direction TB
LOAD_IC["VBQA4317负载开关 \n DFN8封装"]
end
J --> K["大面积接地铜层"]
J --> L["热过孔阵列"]
K --> M["车身结构散热"]
end
subgraph "电气保护网络"
N["电压尖峰抑制"] --> O["RC缓冲电路"]
O --> P["高压开关管"]
Q["感性负载保护"] --> R["TVS/续流二极管"]
R --> S["智能负载开关"]
T["过流保护"] --> U["电流采样电阻"]
U --> V["快速比较器"]
V --> W["硬件关断"]
W --> P
W --> S
X["温度监控"] --> Y["NTC传感器"]
Y --> Z["域控制器"]
Z --> C
end
style MOTOR_MOS fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style HV_MOS fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style LOAD_IC fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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