graph LR
subgraph "三相雙向PFC級"
A[三相380VAC輸入] --> B[EMI濾波器]
B --> C[雙向整流橋]
C --> D[PFC升壓電感]
D --> E[雙向PFC開關節點]
subgraph E ["VBM18R06SE 陣列"]
E1[上管1]
E2[下管1]
E3[上管2]
E4[下管2]
end
E --> F[高壓直流母線 700-800VDC]
G[數字控制器] --> H[隔離驅動器]
H --> E1
H --> E2
H --> E3
H --> E4
F -->|電壓回饋| G
F -->|電網同步| G
end
subgraph "雙向LLC諧振級"
F --> I[LLC諧振腔]
I --> J[高頻變壓器]
J --> K[LLC開關節點]
subgraph K ["VBM18R06SE 陣列"]
K1[上管]
K2[下管]
end
K --> L[初級地]
M[LLC控制器] --> N[隔離驅動器]
N --> K1
N --> K2
J -->|電流回饋| M
end
subgraph "工作模式切換"
O[整流模式]
P[逆變模式]
Q[待機模式]
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
雙向DC/DC變換器拓撲詳圖
graph TB
subgraph "電池側雙向DC/DC"
A[變壓器次級] --> B[同步整流節點]
subgraph C ["VBGL11203 全橋陣列"]
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[輸出濾波電感]
C2 --> E[輸出地]
C3 --> D
C4 --> E
D --> F[輸出電容組]
F --> G[低壓直流母線 48-96VDC]
G --> H[電池組介面]
end
subgraph "電池介面管理"
I[電池組正極] --> J[主接觸器]
J --> K[預充電電路]
K --> L[電池側濾波]
L --> H
subgraph M ["電流檢測與保護"]
direction LR
M1[霍爾感測器]
M2[分流器]
M3[比較器]
end
H --> M1
M1 --> M2
M2 --> M3
M3 --> N[保護觸發]
N --> O[接觸器斷開]
end
subgraph "驅動與控制"
P[DC/DC控制器] --> Q[大電流驅動器]
Q --> C1
Q --> C2
Q --> C3
Q --> C4
R[電池電壓檢測] --> P
S[母線電流檢測] --> P
T[溫度檢測] --> P
P --> U[充放電模式]
U --> V[恒流充電]
U --> W[恒壓充電]
U --> X[恒流放電]
end
style C1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style M1 fill:#ffebee,stroke:#f44336,stroke-width:2px
BMS與均衡管理拓撲詳圖
graph LR
subgraph "電池模組主動均衡系統"
A[電池單體1] --> B[電壓採樣]
B --> C[AFE前端晶片]
C --> D[BMS主控MCU]
subgraph E ["VBA5695 均衡開關陣列"]
direction TB
E1[開關對1 N+P]
E2[開關對2 N+P]
E3[開關對3 N+P]
E4[開關對4 N+P]
end
D --> E1
D --> E2
D --> E3
D --> E4
E1 --> F[均衡電感]
E2 --> F
E3 --> F
E4 --> F
F --> G[均衡電容]
G --> H[均衡能量匯流排]
H --> A
end
subgraph "智能電池監控"
I[溫度感測器1] --> J[多路ADC]
K[溫度感測器2] --> J
L[電流感測器] --> J
M[電壓感測器] --> J
J --> D
subgraph N ["電池狀態評估演算法"]
direction LR
N1[SOC計算]
N2[SOH評估]
N3[SOE計算]
N4[故障診斷]
end
D --> N1
D --> N2
D --> N3
D --> N4
N4 --> O[保護動作]
O --> P[均衡控制]
O --> Q[充放電限制]
O --> R[故障上報]
end
subgraph "通信與保護"
S[CAN匯流排] --> D
T[RS485] --> D
U[以太網] --> D
subgraph V ["保護電路"]
direction LR
V1[過壓保護]
V2[欠壓保護]
V3[過溫保護]
V4[短路保護]
end
D --> V1
D --> V2
D --> V3
D --> V4
V1 --> W[保護繼電器]
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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