Ceaseless power-supplying circuit and electronic product

A technology of power supply circuit and power supply control circuit, which is applied in the direction of battery circuit devices, circuit devices, collectors, etc., can solve the problems of short power supply time and inability to realize uninterrupted battery power supply, and achieve the effect of wide application range

Active Publication Date: 2014-04-23
QINGDAO GOERTEK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the short power supply time of the existing battery power supply technology and the inability to realize the uninterru

Method used

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  • Ceaseless power-supplying circuit and electronic product
  • Ceaseless power-supplying circuit and electronic product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] This embodiment provides an uninterrupted power supply circuit for switching between the first battery 1 and the second battery 2, and the first battery 1 and the second battery 2 can be commonly used alkaline batteries or lithium batteries etc. to realize continuous power supply to the electrical equipment 8; the circuit includes a power supply control circuit 3, a potential setting circuit 4, a voltage comparison circuit 5, a first battery access circuit 6 and a second battery access circuit 7;

[0031] The power supply control circuit 3 is used to provide the real-time voltage value of the first battery;

[0032] The potential setting circuit 4 is used to set the switching voltage value;

[0033] The voltage comparison circuit 5 is used to compare the real-time voltage value and the switching voltage value to obtain an output signal;

[0034] The first battery access circuit 6 is used to turn on or off the connection between the first battery 1 and the electric devi...

Embodiment 2

[0057] This embodiment provides an electronic product, which includes: a first battery 1 , a second battery 2 and the uninterruptible power supply circuit described in Embodiment 1. The first battery 1 and the second battery 2 can be alkaline batteries or lithium batteries. The first battery 1 and the second battery 2 are preferably detachable, so as to provide continuous power supply for the electric device 8 .

[0058] The first battery 1 of the present invention can be disassembled when the second battery 2 supplies power to the electrical equipment 8, so as to charge the first battery 1 in isolation, without causing overheating of the electrical equipment 8 and avoiding personal injury caused by the battery; And the first battery 1 can be quickly charged;

[0059] The second battery 2 of the present invention can be replaced or charged when the first battery 1 supplies power to the electric device 8 .

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PUM

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Abstract

The invention discloses a ceaseless power-supplying circuit and an electronic product in the technical field of power-supplying circuits. The ceaseless power-supplying circuit includes a power-supplying control circuit, an electric-potential setting circuit, a voltage comparison circuit, a first-cell connection circuit and a second-cell connection circuit. The power-supplying control circuit is used for providing the real-time voltage value of a first cell. The electric-potential setting circuit is used for setting a switching voltage value. The voltage comparison circuit is used for comparing the real-time voltage value and the switching voltage value so as to obtain an output signal. The first-cell connection circuit is used for connecting or disconnecting the connection of the first cell and the electric device according to the output signal. The second-cell connection circuit is used for connecting or disconnecting the connection of a second cell and the electric device according to the output signal. The ceaseless power-supplying circuit is capable of enabling the second cell to supply power to the electric device when the real-time voltage value of the first cell is smaller than the switching voltage value so that ceaseless power supplying is realized for the electric device.

Description

technical field [0001] The invention relates to the technical field of power supply circuits, in particular to an uninterrupted power supply circuit and electronic products. Background technique [0002] Current battery-powered products, especially battery-powered wearable products (helmets, glasses, earphones, etc.), are mostly powered by a single battery. As we all know, there is no breakthrough in the current battery technology, and the battery capacity still depends on increasing the physical volume of the battery or increasing the number of batteries to store a large amount of power, so that it can be used in some scenarios that require uninterrupted power supply. However, due to the limitation of actual conditions, the volume of the battery often cannot be made too large, so it is particularly important to realize uninterrupted power supply to electrical equipment. [0003] In addition, the unstable battery voltage will cause sudden power failure of the electrical equ...

Claims

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Application Information

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IPC IPC(8): H02J9/06H02J7/00
CPCY02B70/30Y04S20/20
Inventor 邓雪冰杜洋
Owner QINGDAO GOERTEK
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