graph LR
subgraph "電網介面與保護"
A["三相380VAC \n 工業電網"] --> B["SPD防雷器"]
B --> C["EMI濾波器"]
C --> D["接觸器"]
end
subgraph "雙向AC-DC變換橋臂"
D --> E["LCL濾波器"]
E --> F["三相全橋"]
subgraph "高壓MOSFET陣列"
Q1["VBMB17R07S \n 700V/7A"]
Q2["VBMB17R07S \n 700V/7A"]
Q3["VBMB17R07S \n 700V/7A"]
Q4["VBMB17R07S \n 700V/7A"]
Q5["VBMB17R07S \n 700V/7A"]
Q6["VBMB17R07S \n 700V/7A"]
end
F --> Q1
F --> Q2
F --> Q3
F --> Q4
F --> Q5
F --> Q6
Q1 --> G["直流母線電容"]
Q2 --> G
Q3 --> G
Q4 --> G
Q5 --> G
Q6 --> G
end
subgraph "控制與驅動"
H["PCS控制器"] --> I["DSP演算法"]
I --> J["PWM發生器"]
subgraph "隔離驅動電路"
DRV1["隔離驅動器1"]
DRV2["隔離驅動器2"]
DRV3["隔離驅動器3"]
end
J --> DRV1
J --> DRV2
J --> DRV3
DRV1 --> Q1
DRV2 --> Q3
DRV3 --> Q5
K["電壓電流採樣"] --> H
L["死區時間控制"] --> J
end
subgraph "保護電路"
M["RC緩衝電路"] --> Q1
N["直流母線過壓"] --> O["保護鎖存"]
P["過流檢測"] --> O
Q["橋臂互鎖"] --> O
O --> R["驅動關斷"]
R --> DRV1
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
BMS與電池管理功率拓撲詳圖
graph TB
subgraph "電池主回路控制"
A["電池組正極 \n 48-500VDC"] --> B["預充電路"]
B --> C["主接觸器"]
subgraph "大電流MOSFET開關"
Q_MAIN1["VBGM1201N \n 200V/100A"]
Q_MAIN2["VBGM1201N \n 200V/100A"]
end
C --> Q_MAIN1
C --> Q_MAIN2
Q_MAIN1 --> D["輸出母線"]
Q_MAIN2 --> D
E["電流採樣電阻"] --> D
F["分流器"] --> D
end
subgraph "電池管理系統"
G["BMS主控MCU"] --> H["AFE模擬前端"]
subgraph "電池單體監控"
AFE --> CELL1["單體1電壓採樣"]
AFE --> CELL2["單體2電壓採樣"]
AFE --> CELL3["單體3電壓採樣"]
AFE --> TEMP["溫度採樣"]
end
subgraph "主動均衡控制"
I["均衡控制器"] --> J["均衡選擇開關"]
subgraph "均衡MOSFET對"
Q_BAL1["VBA5307 \n N+P MOSFET"]
Q_BAL2["VBA5307 \n N+P MOSFET"]
Q_BAL3["VBA5307 \n N+P MOSFET"]
end
J --> Q_BAL1
J --> Q_BAL2
J --> Q_BAL3
Q_BAL1 --> K["均衡變壓器"]
Q_BAL2 --> K
Q_BAL3 --> K
K --> L["均衡匯流排"]
end
subgraph "被動均衡控制"
M["被動均衡開關"] --> N["均衡電阻陣列"]
AFE --> M
end
end
subgraph "保護與驅動"
O["大電流驅動器"] --> Q_MAIN1
P["硬體比較器"] --> Q["過流保護"]
R["電壓比較器"] --> S["過壓保護"]
T["溫度感測器"] --> U["過溫保護"]
Q --> V["保護鎖存"]
S --> V
U --> V
V --> W["快速關斷"]
W --> O
X["AFE GPIO"] --> Q_BAL1
Y["電平轉換"] --> X
end
subgraph "熱管理"
Z["散熱器"] --> Q_MAIN1
AA["風道冷卻"] --> Z
BB["溫度監控"] --> G
G --> CC["風扇控制"]
end
style Q_MAIN1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_BAL1 fill:#fff3e0,stroke:#ff9800,stroke-width:2px
熱管理與保護電路拓撲詳圖
graph LR
subgraph "三級散熱架構"
A["一級散熱"] --> B["強制風冷系統"]
B --> C["電池主開關散熱器"]
C --> D["VBGM1201N MOSFET"]
E["二級散熱"] --> F["PCS散熱風道"]
F --> G["高壓開關散熱片"]
G --> H["VBMB17R07S MOSFET"]
I["三級散熱"] --> J["PCB熱設計"]
J --> K["大面積敷銅"]
K --> L["VBA5307 MOSFET"]
M["溫度監控點"] --> N["NTC感測器陣列"]
N --> O["MCU ADC"]
O --> P["溫度預警"]
O --> Q["風扇調速"]
Q --> B
end
subgraph "電氣保護網路"
R["RCD緩衝電路"] --> H
S["RC吸收電路"] --> H
T["TVS陣列"] --> U["柵極保護"]
U --> DRV["驅動晶片"]
V["肖特基二極體"] --> D
W["電流檢測"] --> X["比較器1"]
Y["電壓檢測"] --> Z["比較器2"]
AA["溫度檢測"] --> BB["比較器3"]
X --> CC["或門邏輯"]
Z --> CC
BB --> CC
CC --> DD["故障鎖存"]
DD --> EE["關斷信號"]
EE --> DRV
end
subgraph "EMC設計"
FF["輸入EMI濾波器"] --> GRID["電網側"]
GG["磁珠濾波器"] --> SW_NODE["開關節點"]
HH["遮罩層"] --> CABLES["功率電纜"]
II["接地設計"] --> CHASSIS["機殼接地"]
end
subgraph "可靠性增強"
JJ["80%電壓降額"] --> H
KK["結溫降額"] --> D
LL["雙重保護"] --> MM["硬體+軟體保護"]
NN["防靜電設計"] --> OO["柵極TVS"]
PP["冗餘設計"] --> QQ["關鍵路徑備份"]
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style L fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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