graph LR
subgraph "三相双向PFC级"
A[三相电网] --> B[EMI滤波器]
B --> C[三相桥臂]
C --> D[PFC电感组]
D --> E[PFC开关节点]
E --> F["VBL165R11 \n 650V/11A"]
F --> G[高压直流母线]
E --> H["VBL165R11 \n 650V/11A"]
H --> I[PFC控制器]
I --> J[栅极驱动器]
J --> F
J --> H
G -->|电压反馈| I
end
subgraph "LLC谐振变换级"
G --> K[谐振电容Cr]
K --> L[谐振电感Lr]
L --> M[变压器励磁电感Lm]
M --> N[高频变压器]
N --> O[LLC开关节点]
O --> P["VBL165R11 \n 650V/11A"]
P --> Q[初级地]
O --> R["VBL165R11 \n 650V/11A"]
R --> Q
S[LLC控制器] --> T[同步驱动器]
T --> P
T --> R
N -->|电流反馈| S
end
subgraph "数字控制与保护"
U[DSP控制器] --> V[PWM生成]
U --> W[ADC采集]
X[电压传感器] --> W
Y[电流传感器] --> W
Z[温度传感器] --> W
U --> AA[故障保护逻辑]
AA --> AB[快速关断]
AB --> F
AB --> P
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style P fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电池侧DC-DC变换与分配拓扑详图
graph TB
subgraph "双向Buck/Boost变换器"
A[高压直流母线] --> B[输入电容]
B --> C[开关节点]
C --> D["VBM1704 \n 70V/120A"]
D --> E[输出电感]
E --> F[输出电容]
F --> G[电池簇母线]
C --> H["VBM1704 \n 70V/120A"]
H --> I[同步整流路径]
I --> G
J[双向控制器] --> K[大电流驱动器]
K --> D
K --> H
L[电流检测] --> M[控制器反馈]
end
subgraph "母线分配开关矩阵"
G --> N[母线分配节点]
subgraph "分配开关阵列"
VBM1704_A["VBM1704 \n 70V/120A"]
VBM1704_B["VBM1704 \n 70V/120A"]
VBM1704_C["VBM1704 \n 70V/120A"]
VBM1704_D["VBM1704 \n 70V/120A"]
end
N --> VBM1704_A
N --> VBM1704_B
N --> VBM1704_C
N --> VBM1704_D
VBM1704_A --> O[电池模块A]
VBM1704_B --> P[电池模块B]
VBM1704_C --> Q[电池模块C]
VBM1704_D --> R[电池模块D]
O --> S[系统地]
P --> S
Q --> S
R --> S
T[分配控制器] --> U[多路驱动器]
U --> VBM1704_A
U --> VBM1704_B
U --> VBM1704_C
U --> VBM1704_D
end
subgraph "PCB布局优化"
direction LR
V[多层PCB设计] --> W[厚铜箔层]
W --> X[过孔阵列]
X --> Y[低电感布局]
Y --> Z[开尔文连接]
Z --> K
Z --> U
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style VBM1704_A fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
浸没式液冷与保护拓扑详图
graph LR
subgraph "浸没式冷却系统"
A[冷却液储罐] --> B[循环泵]
B --> C[过滤器]
C --> D[浸没式液冷槽]
D --> E["一级: 直接浸没 \n VBM1704阵列"]
D --> F["二级: PCB板级散热 \n VBL165R11阵列"]
D --> G["三级: 自然对流 \n 控制芯片"]
E --> H[热交换器]
F --> H
G --> H
H --> I[冷却风扇]
I --> J[外部环境]
K[温度传感器阵列] --> L[热管理控制器]
L --> B
L --> I
end
subgraph "智能配电管理"
M[MCU GPIO] --> N[逻辑电平]
N --> O["VBA2311A \n -30V/-12.5A"]
subgraph O["VBA2311A P-MOSFET"]
direction LR
IN[栅极]
SOURCE[源极]
DRAIN[漏极]
end
VCC_12V[12V辅助电源] --> DRAIN
SOURCE --> P[负载设备]
P --> Q[地]
R[故障检测] --> S[快速关断逻辑]
S --> IN
T[电流监测] --> U[过流保护]
U --> S
end
subgraph "系统保护网络"
V["RCD缓冲电路"] --> W["高压开关管"]
X["RC吸收网络"] --> Y["谐振开关管"]
Z["TVS保护阵列"] --> AA["驱动芯片"]
AB["肖特基二极管"] --> AC["同步整流管"]
AD[硬件过流比较器] --> AE[故障锁存器]
AE --> AF[全局关断信号]
AF --> W
AF --> Y
AG[绝缘监测单元] --> AH[绝缘故障信号]
AH --> AF
end
subgraph "可靠性加固设计"
AI[电压降额设计] --> AJ["Vds < 70% Vrating"]
AK[电流降额设计] --> AL["Id < 80% Irated"]
AM[温度降额设计] --> AN["Tj < 105°C"]
AO[兼容性涂层] --> AP[PCB三防处理]
AQ[密封设计] --> AR[IP68防护]
end
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style O fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style W fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
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