graph LR
subgraph "三相兩電平逆變拓撲"
A["高壓直流母線 \n 800-1000VDC"] --> B["直流母線電容"]
B --> C["A相上橋臂"]
B --> D["B相上橋臂"]
B --> E["C相上橋臂"]
C --> F["VBM195R06 \n 950V/6A"]
D --> G["VBM195R06 \n 950V/6A"]
E --> H["VBM195R06 \n 950V/6A"]
F --> I["A相輸出"]
G --> J["B相輸出"]
H --> K["C相輸出"]
I --> L["A相下橋臂"]
J --> M["B相下橋臂"]
K --> N["C相下橋臂"]
L --> O["VBM195R06 \n 950V/6A"]
M --> P["VBM195R06 \n 950V/6A"]
N --> Q["VBM195R06 \n 950V/6A"]
O --> R[直流母線負極]
P --> R
Q --> R
end
subgraph "隔離驅動與保護"
S["主控DSP"] --> T["隔離驅動晶片"]
T --> F
T --> G
T --> H
T --> O
T --> P
T --> Q
U["過流檢測"] --> V["快速比較器"]
V --> W["故障鎖存"]
W --> X["關斷信號"]
X --> T
Y["RCD吸收電路"] --> F
Z["RC緩衝電路"] --> O
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style O fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
DC/DC雙向變換單元拓撲詳圖
graph TB
subgraph "雙向Buck-Boost變換器"
A["電池側 \n 48-800VDC"] --> B["輸入濾波電容"]
B --> C["主電感"]
C --> D["高壓側開關節點"]
D --> E["VBL16R31SFD \n 600V/31A"]
E --> F["高壓直流母線 \n 800-1000VDC"]
D --> G["VBL16R31SFD \n 600V/31A"]
G --> H["電池側地"]
F --> I["低壓側開關節點"]
I --> J["VBL16R31SFD \n 600V/31A"]
J --> C
I --> K["VBL16R31SFD \n 600V/31A"]
K --> H
end
subgraph "同步整流控制"
L["DC/DC控制器"] --> M["半橋驅動器"]
M --> E
M --> G
M --> J
M --> K
N["電流檢測"] --> O["電流環控制"]
O --> L
P["電壓檢測"] --> Q["電壓環控制"]
Q --> L
end
subgraph "熱管理設計"
R["散熱器"] --> E
R --> G
S["溫度感測器"] --> T["溫度監控"]
T --> U["風扇控制"]
U --> V["冷卻風扇"]
end
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
輔助電源與保護電路拓撲詳圖
graph LR
subgraph "輔助開關電源(SMPS)"
A["AC/DC輸入"] --> B["輸入整流濾波"]
B --> C["反激變壓器初級"]
C --> D["VBJ1695IN \n 60V/4.5A"]
D --> E[初級地]
F["PWM控制器"] --> G["驅動電路"]
G --> D
H["反激變壓器次級"] --> I["同步整流節點"]
I --> J["VBJ1695IN \n 60V/4.5A"]
J --> K["輸出濾波"]
K --> L["輔助電源輸出 \n 12V/24V/48V"]
end
subgraph "負載開關與保護"
L --> M["VBJ1695IN負載開關1"]
L --> N["VBJ1695IN負載開關2"]
L --> O["VBJ1695IN負載開關3"]
M --> P["BMS供電"]
N --> Q["通信模組"]
O --> R["散熱風扇"]
S["MCU控制"] --> T["電平轉換"]
T --> M
T --> N
T --> O
end
subgraph "系統保護電路"
U["過流檢測"] --> V["比較器"]
W["過壓檢測"] --> X["比較器"]
Y["溫度檢測"] --> Z["比較器"]
V --> AA["或門邏輯"]
X --> AA
Z --> AA
AA --> AB["關斷控制"]
AB --> G
AB --> T
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style J fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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