graph TB
subgraph "三相PFC/双向AC-DC变换"
A["三相380VAC输入"] --> B["EMI滤波器"]
B --> C["三相整流桥"]
C --> D["PFC电感"]
D --> E["PFC开关节点"]
E --> F["VBP16R64SFD \n 600V/64A"]
F --> G["高压直流母线 \n ~700VDC"]
H["PFC控制器"] --> I["隔离栅极驱动器"]
I --> F
G -->|电压反馈| H
end
subgraph "高压DC-DC隔离变换"
G --> J["LLC谐振腔/移相全桥"]
J --> K["高频变压器"]
K --> L["次级整流"]
L --> M["同步整流MOSFET"]
M --> N["中间直流总线"]
O["DC-DC控制器"] --> P["栅极驱动器"]
P --> F
P -->|次级侧| M
N -->|电流反馈| O
end
subgraph "保护与缓冲"
Q["RCD缓冲电路"] --> F
R["TVS阵列"] --> G
S["过流检测"] --> O
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style M fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
电池侧双向DC-DC与负载管理拓扑详图
graph LR
subgraph "电池侧双向Buck-Boost变换"
A["储能电池组 \n 24V/48V"] --> B["预充控制与保护"]
B --> C["VBE1302 \n 30V/120A"]
C --> D["滤波电感"]
D --> E["Buck-Boost开关节点"]
E --> F["同步开关管"]
F --> G["中间直流总线"]
H["双向DC-DC控制器"] --> I["栅极驱动器"]
I --> C
I --> F
G -->|电压反馈| H
end
subgraph "负载通路智能管理"
subgraph "负载开关阵列"
J["VBL2412 \n -40V/-60A \n 农机接口"]
K["VBL2412 \n -40V/-60A \n 辅助电源"]
L["VBL2412 \n -40V/-60A \n 并网接口"]
end
G --> M["负载分配控制器"]
M --> J
M --> K
M --> L
J --> N["农业机械充电枪"]
K --> O["12V/24V辅助电源"]
L --> P["并网逆变器"]
Q["MCU控制器"] --> M
end
subgraph "电池管理接口"
R["BMS通信"] --> S["MCU"]
T["电流采样"] --> S
U["温度监测"] --> S
S --> V["保护逻辑"]
V --> W["故障关断信号"]
W --> C
W --> J
end
style C fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style J fill:#fff3e0,stroke:#ff9800,stroke-width:2px
热管理与系统保护拓扑详图
graph TB
subgraph "三级热管理系统"
A["一级:强制风冷"] --> B["散热器1"]
B --> C["VBP16R64SFD \n 高压MOSFET"]
D["二级:PCB敷铜"] --> E["大面积铜层"]
E --> F["VBE1302 \n 电池侧MOSFET"]
G["三级:自然对流"] --> H["控制芯片与PCB"]
I["温度传感器阵列"] --> J["热管理MCU"]
J --> K["风扇PWM控制"]
J --> L["降频保护逻辑"]
K --> M["冷却风扇"]
end
subgraph "电气保护网络"
N["过流保护"] --> O["电流采样电路"]
O --> P["比较器"]
P --> Q["故障锁存"]
Q --> R["栅极关断信号"]
R --> C
R --> F
S["过压保护"] --> T["电压分压采样"]
T --> U["比较器"]
U --> Q
V["防反接保护"] --> W["MOSFET背靠背结构"]
W --> X["电池接口"]
Y["雷击浪涌保护"] --> Z["压敏电阻/TVS"]
Z --> AA["输入滤波器"]
end
subgraph "环境防护"
AB["三防漆涂层"] --> AC["所有PCB"]
AD["密封机柜"] --> AE["功率模块"]
AF["防尘过滤网"] --> M
end
style C fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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