graph LR
subgraph "三相全橋PWM變流器"
A[三相交流輸入] --> B[LC濾波器]
B --> C[三相全橋]
subgraph "橋臂功率開關"
Q_AH["VBP165R67SE \n 上管"]
Q_AL["VBP165R67SE \n 下管"]
Q_BH["VBP165R67SE \n 上管"]
Q_BL["VBP165R67SE \n 下管"]
Q_CH["VBP165R67SE \n 上管"]
Q_CL["VBP165R67SE \n 下管"]
end
C --> Q_AH
C --> Q_AL
C --> Q_BH
C --> Q_BL
C --> Q_CH
C --> Q_CL
Q_AH --> DC_POS["直流母線正極"]
Q_AL --> DC_NEG["直流母線負極"]
Q_BH --> DC_POS
Q_BL --> DC_NEG
Q_CH --> DC_POS
Q_CL --> DC_NEG
D[變流器控制器] --> E[隔離驅動電路]
E --> Q_AH
E --> Q_AL
E --> Q_BH
E --> Q_BL
E --> Q_CH
E --> Q_CL
end
subgraph "保護與緩衝"
F["RC吸收網路"] --> Q_AH
F --> Q_AL
G["電流霍爾感測器"] --> D
H["電壓檢測"] --> D
end
style Q_AH fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q_AL fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
DC/DC雙向變換器拓撲詳圖
graph TB
subgraph "雙向Buck-Boost變換器"
A[高壓直流母線] --> B[功率電感]
B --> C[開關節點]
subgraph "高側開關"
Q_HS1["VBGP1252N \n 高側管1"]
Q_HS2["VBGP1252N \n 高側管2"]
end
subgraph "低側開關"
Q_LS1["VBGP1252N \n 低側管1"]
Q_LS2["VBGP1252N \n 低側管2"]
end
C --> Q_HS1
C --> Q_HS2
Q_HS1 --> D[電池正極]
Q_HS2 --> D
C --> Q_LS1
C --> Q_LS2
Q_LS1 --> E[功率地]
Q_LS2 --> E
F[雙向控制器] --> G[大電流驅動器]
G --> Q_HS1
G --> Q_HS2
G --> Q_LS1
G --> Q_LS2
end
subgraph "並聯均流與保護"
H[電流檢測電阻] --> F
I[溫度感測器] --> F
J["均流控制電路"] --> G
K["RC吸收網路"] --> Q_HS1
K --> Q_LS1
end
style Q_HS1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_LS1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
輔助電源與保護電路拓撲詳圖
graph LR
subgraph "輔助電源管理"
A[交流或直流輸入] --> B[輔助電源轉換器]
B --> C[12V中間匯流排]
subgraph "多路輸出控制"
SW_12V["VB3658 \n 12V輸出"]
SW_5V["VB3658 \n 5V輸出"]
SW_3V3["VB3658 \n 3.3V輸出"]
end
C --> SW_12V
C --> SW_5V
C --> SW_3V3
SW_12V --> D[驅動電路電源]
SW_5V --> E[模擬電路電源]
SW_3V3 --> F[數字電路電源]
G[MCU] --> H[電平轉換]
H --> SW_12V
H --> SW_5V
H --> SW_3V3
end
subgraph "預充電與保護電路"
I[高壓直流母線] --> J[預充電電阻]
J --> K[預充電接觸器]
subgraph "預充電控制"
SW_PRECHG["VB3658 \n 預充電開關"]
end
G --> SW_PRECHG
SW_PRECHG --> K
L[電壓檢測] --> G
M[故障檢測] --> N[故障鎖存]
N --> O[關斷信號]
O --> SW_PRECHG
O --> P[主接觸器]
end
subgraph "通信保護"
Q[CAN匯流排] --> R[匯流排保護]
subgraph "通信開關"
SW_CAN["VB3658 \n CAN通斷"]
end
G --> SW_CAN
SW_CAN --> S[隔離CAN收發器]
end
style SW_12V fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style SW_PRECHG fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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