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Adapter, charging system comprising same and charging method using same

An adapter, charging voltage technology, applied in the direction of secondary battery charging/discharging, battery circuit devices, current collectors, etc., can solve the problems of prolonged charging time, insufficient voltage, large voltage drop of charging lines, etc., to speed up charging, The effect of improving efficiency and reducing requirements

Inactive Publication Date: 2015-02-25
上海芯导电子科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, in order to improve the battery life of mobile terminal equipment, equipment manufacturers generally try to configure large-capacity batteries for the equipment while reducing the power consumption of the equipment. For example, the current mainstream mobile phone battery capacity has exceeded 3000mA. During the charging time, it is necessary to use high-current charging technology to charge the mobile terminal equipment, and the main control chip of the charging is set on the equipment side, which makes the equipment heat up seriously during charging, especially when it is used while charging, it may even cause battery damage. "Explosion", which greatly threatens the safety of people's lives and property
[0004] In addition, due to the large current during charging, the voltage drop on the charging line will be too large, and the charging voltage of the battery will be insufficient; figure 1 It is a structural schematic diagram of traditional adapter charging, such as figure 1 As shown, the output terminal of the adapter 11 outputs the current I to the battery 14 of the device 13 through the main control chip 12 to charge the battery 14. As the current I increases, the resistance R of the circuit and the main control chip remains constant. unchanged, that is, the voltage drop on the line V drop =I*R increases (R is the resistance on the line), which in turn leads to insufficient voltage for charging the battery 14, which will not only prolong the charging time, but also cause damage to the battery

Method used

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  • Adapter, charging system comprising same and charging method using same
  • Adapter, charging system comprising same and charging method using same
  • Adapter, charging system comprising same and charging method using same

Examples

Experimental program
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Embodiment 1

[0039] figure 2 It is a schematic diagram of the structure of the adapter charging the mobile terminal device in Embodiment 1 of the present application; figure 2 As shown, an adapter 21 in this embodiment can be applied to the charging process of a mobile terminal device (such as a mobile phone, a tablet computer, etc.) 25 that does not have a charging control chip or cannot be recognized. The above-mentioned adapter 21 is provided with a circuit The control module 22 and the charging module 23 are provided with a battery 26 in the mobile terminal device 21 .

[0040] Further, the above-mentioned charging module 23 is directly electrically connected to the battery 26 through the wire 24 to charge the battery 26; the circuit control module 22 is connected to the charging module 23 and the wire 24 respectively to detect the resistance of the wire 24 And through the wire 24 , current electrical parameters related to the battery 26 such as voltage and stored power are detected...

Embodiment 2

[0051] image 3 It is a schematic structural diagram of the adapter charging the mobile terminal device in Embodiment 2 of the present application; image 3 As shown, the adapter in this embodiment can be adaptively improved for different types of mobile terminal equipment based on the first embodiment, so as to provide an optimal charging solution for the mobile terminal equipment.

[0052] The connection relationship between the circuit control module 22, the charging module 23 and the battery 26 in this embodiment can be connected with reference to the above-mentioned first embodiment, for the sake of concise explanation, it will not be repeated here; in the second embodiment With respect to Embodiment 1, a device storage module 27 is also provided in the mobile terminal device 25, and the electrical parameter information of the battery 26 is stored in the device storage module 27, such as the reference current value I of charging, the type of the battery, the battery capa...

Embodiment 3

[0061] The present application also provides a charging system, which may include the adapter described in Embodiment 1 and / or Embodiment 2 above and mobile terminal devices such as mobile phones and tablet computers connected to the adapter, so as to charge the batteries in the mobile terminal devices to charge.

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Abstract

The invention relates to the technical field of mobile terminal charging, particularly to an adapter, a charging system comprising the same and a charging method using the same. A circuit control module is arranged on the adapter, so that heat generated during charging of the mobile terminal equipment is reduced. Real-time voltage of a battery and conductor resistance are detected by the circuit control module, and voltage to be supplied of a charging module is calculated based on charging reference current is calculated, charging speed is thus accelerated, requirement to a cable is reduced, and utilization efficiency of a power supply is improved.

Description

technical field [0001] The invention relates to the technical field of mobile terminal charging, in particular to an adapter and a charging system including the adapter. Background technique [0002] With the progress of society and the development of science and technology, mobile terminal devices such as mobile phones and tablet computers are more and more widely used in people's daily life, and correspondingly people have higher and higher performance requirements for terminal devices, especially mobile terminals. The battery life of the device has received widespread attention. [0003] At present, in order to improve the battery life of mobile terminal equipment, equipment manufacturers generally try to configure large-capacity batteries for the equipment while reducing the power consumption of the equipment. For example, the current mainstream mobile phone battery capacity has exceeded 3000mA. During the charging time, it is necessary to use high-current charging tech...

Claims

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Application Information

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IPC IPC(8): H02J7/00H01M10/44
CPCY02E60/10
Inventor 符志岗
Owner 上海芯导电子科技股份有限公司