graph LR
subgraph "三相双向PFC级"
A[三相380VAC输入] --> B[EMI滤波器]
B --> C[双向整流桥]
C --> D[PFC升压电感]
D --> E[双向PFC开关节点]
subgraph E ["VBM18R06SE 阵列"]
E1[上管1]
E2[下管1]
E3[上管2]
E4[下管2]
end
E --> F[高压直流母线 700-800VDC]
G[数字控制器] --> H[隔离驱动器]
H --> E1
H --> E2
H --> E3
H --> E4
F -->|电压反馈| G
F -->|电网同步| G
end
subgraph "双向LLC谐振级"
F --> I[LLC谐振腔]
I --> J[高频变压器]
J --> K[LLC开关节点]
subgraph K ["VBM18R06SE 阵列"]
K1[上管]
K2[下管]
end
K --> L[初级地]
M[LLC控制器] --> N[隔离驱动器]
N --> K1
N --> K2
J -->|电流反馈| M
end
subgraph "工作模式切换"
O[整流模式]
P[逆变模式]
Q[待机模式]
R[故障模式]
S[模式控制器] --> O
S --> P
S --> Q
S --> R
end
style E1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style K1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
双向DC/DC变换器拓扑详图
graph TB
subgraph "电池侧双向DC/DC"
A[变压器次级] --> B[同步整流节点]
subgraph C ["VBGL11203 全桥阵列"]
direction LR
C1[左上管]
C2[左下管]
C3[右上管]
C4[右下管]
end
B --> C1
B --> C2
B --> C3
B --> C4
C1 --> D[输出滤波电感]
C2 --> E[输出地]
C3 --> D
C4 --> E
D --> F[输出电容组]
F --> G[低压直流母线 48-96VDC]
G --> H[电池组接口]
end
subgraph "电池接口管理"
I[电池组正极] --> J[主接触器]
J --> K[预充电电路]
K --> L[电池侧滤波]
L --> H
subgraph M ["电流检测与保护"]
direction LR
M1[霍尔传感器]
M2[分流器]
M3[比较器]
end
H --> M1
M1 --> M2
M2 --> M3
M3 --> N[保护触发]
N --> O[接触器断开]
end
subgraph "驱动与控制"
P[DC/DC控制器] --> Q[大电流驱动器]
Q --> C1
Q --> C2
Q --> C3
Q --> C4
R[电池电压检测] --> P
S[母线电流检测] --> P
T[温度检测] --> P
P --> U[充放电模式]
U --> V[恒流充电]
U --> W[恒压充电]
U --> X[恒流放电]
end
style C1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style M1 fill:#ffebee,stroke:#f44336,stroke-width:2px
BMS与均衡管理拓扑详图
graph LR
subgraph "电池模组主动均衡系统"
A[电池单体1] --> B[电压采样]
B --> C[AFE前端芯片]
C --> D[BMS主控MCU]
subgraph E ["VBA5695 均衡开关阵列"]
direction TB
E1[开关对1 N+P]
E2[开关对2 N+P]
E3[开关对3 N+P]
E4[开关对4 N+P]
end
D --> E1
D --> E2
D --> E3
D --> E4
E1 --> F[均衡电感]
E2 --> F
E3 --> F
E4 --> F
F --> G[均衡电容]
G --> H[均衡能量总线]
H --> A
end
subgraph "智能电池监控"
I[温度传感器1] --> J[多路ADC]
K[温度传感器2] --> J
L[电流传感器] --> J
M[电压传感器] --> J
J --> D
subgraph N ["电池状态评估算法"]
direction LR
N1[SOC计算]
N2[SOH评估]
N3[SOE计算]
N4[故障诊断]
end
D --> N1
D --> N2
D --> N3
D --> N4
N4 --> O[保护动作]
O --> P[均衡控制]
O --> Q[充放电限制]
O --> R[故障上报]
end
subgraph "通信与保护"
S[CAN总线] --> D
T[RS485] --> D
U[以太网] --> D
subgraph V ["保护电路"]
direction LR
V1[过压保护]
V2[欠压保护]
V3[过温保护]
V4[短路保护]
end
D --> V1
D --> V2
D --> V3
D --> V4
V1 --> W[保护继电器]
V2 --> W
V3 --> W
V4 --> W
end
style E1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style N1 fill:#f3e5f5,stroke:#9c27b0,stroke-width:2px
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