graph LR
subgraph "光伏输入与保护"
A["光伏阵列输入 \n 最高900VDC"] --> B["三级防雷电路"]
B --> C["EMI滤波器 \n 共模+差模"]
C --> D["输入电容"]
end
subgraph "双向DC-DC升压级"
D --> E["升压电感"]
E --> F["开关节点"]
F --> G["VBE110MR02 \n 1000V/2A"]
G --> H["高压直流母线 \n 750-800VDC"]
I["MPPT控制器"] --> J["栅极驱动器"]
J --> G
H -->|电压反馈| I
end
subgraph "双向DC-DC降压级"
H --> K["降压开关节点"]
subgraph "同步整流MOSFET"
L["VBL1606 \n 60V/150A"]
M["VBL2403 \n -40V/-150A"]
end
K --> L
K --> M
L --> N["电池侧母线 \n 48VDC"]
M --> O["电池侧地"]
P["双向DC-DC控制器"] --> Q["双路栅极驱动器"]
Q --> L
Q --> M
N -->|电流反馈| P
end
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style L fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style M fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
电池侧功率变换与负载管理拓扑详图
graph LR
subgraph "电池接口与保护"
A["电池包正极"] --> B["熔断器保护"]
B --> C["接触器/继电器"]
C --> D["预充电电路"]
D --> E["电池侧母线"]
F["电池包负极"] --> G["电流检测"]
G --> H["电池侧地"]
end
subgraph "多路负载智能管理"
E --> I["负载分配总线"]
subgraph "智能负载开关阵列"
J["VBA5606通道1 \n 加热器控制"]
K["VBA5606通道2 \n 补光灯控制"]
L["VBA5606通道3 \n 水泵控制"]
M["VBA5606通道4 \n 风机控制"]
end
I --> J
I --> K
I --> L
I --> M
J --> N["加热器负载"]
K --> O["补光灯组"]
L --> P["水泵电机"]
M --> Q["风机电机"]
N --> R["负载地"]
O --> R
P --> R
Q --> R
end
subgraph "控制逻辑"
S["主控MCU"] --> T["负载调度算法"]
T --> U["环境传感器输入"]
U --> V["温度传感器"]
U --> W["光照传感器"]
U --> X["湿度传感器"]
S --> Y["PWM控制信号"]
Y --> J
Y --> K
Y --> L
Y --> M
end
style J fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style K fill:#fff3e0,stroke:#ff9800,stroke-width:2px
热管理与系统保护拓扑详图
graph LR
subgraph "三级热管理系统"
A["一级液冷系统"] --> B["液冷板"]
B --> C["电池侧MOSFET"]
C --> D["温度传感器1"]
D --> E["MCU热管理单元"]
E --> F["PWM泵速控制"]
F --> G["液冷泵"]
G --> A
H["二级强制风冷"] --> I["散热器"]
I --> J["高压DC-DC MOSFET"]
J --> K["温度传感器2"]
K --> E
E --> L["PWM风扇控制"]
L --> M["冷却风扇"]
M --> H
N["三级自然散热"] --> O["PCB敷铜层"]
O --> P["负载开关IC"]
P --> Q["温度传感器3"]
Q --> E
end
subgraph "电气保护网络"
R["RC缓冲电路"] --> S["高压开关管"]
T["RC吸收网络"] --> U["电池侧开关管"]
V["TVS保护阵列"] --> W["栅极驱动芯片"]
X["续流二极管"] --> Y["感性负载端口"]
Z["火花间隙"] --> AA["光伏输入端"]
AB["比较器保护"] --> AC["硬件过流保护"]
AC --> AD["故障锁存器"]
AD --> AE["系统关断信号"]
AE --> S
AE --> U
end
subgraph "故障诊断机制"
AF["电流采样"] --> AG["ADC通道"]
AH["电压采样"] --> AG
AI["温度采样"] --> AG
AG --> AJ["失效预测算法"]
AJ --> AK["早期失效预警"]
AK --> AL["维护提示"]
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style J fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style S fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
点击下载：VBL2403规格书
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