graph LR
subgraph "太阳能与电池输入"
A["太阳能输入 \n 12V-24V"] --> B["充电控制器"]
C["电池组 \n 12V/24V"] --> D["电池输入端"]
B --> D
end
subgraph "防反接与保护"
D --> E["VBQG1201K \n 防反接开关"]
E --> F["主电源总线"]
subgraph "保护网络"
G["TVS管阵列 \n SMCJ系列"]
H["压敏电阻"]
I["保险丝"]
end
G --> F
H --> F
I --> F
end
subgraph "电压电流监测"
F --> J["电压分压检测"]
F --> K["电流采样电阻"]
J --> L["ADC输入"]
K --> L
L --> M["MCU保护逻辑"]
end
subgraph "辅助电源"
F --> N["DC-DC降压"]
N --> O["3.3V逻辑电源"]
N --> P["5V传感器电源"]
O --> Q["MCU及外设"]
P --> R["传感器阵列"]
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
传感器与通信模块开关拓扑详图
graph TB
subgraph "MCU控制接口"
A["MCU GPIO"] --> B["电平转换/缓冲"]
B --> C["驱动信号"]
end
subgraph "传感器电源开关"
C --> D["VBB1240 \n 水位传感器1"]
C --> E["VBB1240 \n 水位传感器2"]
D --> F["3.3V/5V电源输出"]
E --> G["3.3V/5V电源输出"]
F --> H["水位传感器1"]
G --> I["水位传感器2"]
subgraph "栅极驱动电路"
J["栅极电阻 \n 22-100Ω"]
K["下拉电阻"]
end
J --> D
J --> E
K --> D
K --> E
end
subgraph "通信模块开关"
C --> L["VBB1240 \n 通信模块"]
L --> M["3.3V电源输出"]
M --> N["4G/NB-IoT模块"]
subgraph "EMC抑制"
O["磁珠"]
P["去耦电容阵列"]
end
O --> N
P --> M
end
subgraph "电流监测"
Q["电流检测电路"] --> F
Q --> G
Q --> M
Q --> R["MCU ADC"]
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style L fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
告警单元驱动与保护拓扑详图
graph LR
subgraph "MCU驱动接口"
A["MCU PWM/GPIO"] --> B["驱动增强电路"]
B --> C["栅极驱动信号"]
end
subgraph "告警灯驱动"
C --> D["VBQF1410 \n LED驱动"]
D --> E["主电源总线 \n 12V/24V"]
E --> F["高亮度LED阵列"]
F --> G["续流二极管"]
G --> H["地"]
subgraph "保护电路"
I["RC吸收网络"]
J["温度传感器"]
end
I --> D
J --> D
end
subgraph "蜂鸣器驱动"
C --> K["VBQF1410 \n 蜂鸣器驱动"]
K --> L["主电源总线 \n 12V/24V"]
L --> M["大功率蜂鸣器"]
M --> N["续流二极管"]
N --> H
subgraph "保护电路"
O["RC吸收网络"]
P["温度传感器"]
end
O --> K
P --> K
end
subgraph "热管理设计"
Q["大面积PCB敷铜 \n >150mm²"] --> D
Q --> K
R["散热过孔阵列"] --> Q
S["背面铜层散热"] --> R
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style K fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBQG1201K规格书
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