Power-failure alarming device for wine cabinet and refrigerated cabinet
The utility model relates to a power-failure alarming device for a wine cabinet and a refrigerated cabinet, which comprises a power supply for the wine cabinet and the refrigerated cabinet and also comprises a power-failure identifying circuit, a battery-charging/protecting circuit, a second CPU (Ce...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to a power-failure alarming device for a wine cabinet and a refrigerated cabinet, which comprises a power supply for the wine cabinet and the refrigerated cabinet and also comprises a power-failure identifying circuit, a battery-charging/protecting circuit, a second CPU (Central Processing Unit), a battery and the power-failure alarming device; the second CPU is connected with the power supply; the power-failure identifying circuit is connected with the power supply and the second CPU; one end of the battery-charging/protecting circuit is connected with the power supply, and the other end of the battery-charging/protecting circuit is connected with the second CPU and the battery; and the power-failure alarming device is connected with the second CPU and the battery. Because the structure is adopted, when the power suddenly fails, a power-failure signal is transferred to the second CPU by the power-failure identifying circuit, and the power-failure alarming device is driven to give an |
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