Alarming cellphone and uninterruptible power supply thereof
A mobile phone battery and mobile phone technology, applied in telephone communication, electrical components, nan, etc., can solve the problems of criminal suspects who have succeeded in committing crimes, dare not call the voice alarm for help, and have not yet had a mobile phone, etc., so as to ensure continuity and concealment sex, to avoid the effect of not being able to call the police
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[0058] Figure 5 A first embodiment of the uninterruptible power supply 19 of the present invention is shown, comprising:
[0059] Mobile phone battery 191; Spare battery 194; The mobile phone power supply device 193 that supplies power to mobile phone, can be a capacitor; The voltage stabilizing circuit 192 that is used for stabilizing the voltage of described mobile phone battery 191, this voltage stabilizing circuit 192 supplies power supply device 193 to described mobile phone supply power, and charge the backup battery 194; and when the mobile phone battery 191 is powered off, connect the backup battery 194 to the backup battery switching circuit 195 of the mobile phone power supply device 193.
[0060] The backup battery switching circuit 195 includes: a detection unit 1951 for real-time detection of the battery voltage of the mobile phone; and a switch 1952 for switching according to the result of the detection unit 1951 .
[0061] The detection unit 1951 can be a comp...
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