WO2018018963A1

WO2018018963A1 - Charging device for mobile terminal and mobile terminal

Info

Publication number: WO2018018963A1
Application number: PCT/CN2017/081917
Authority: WO
Inventors: 范艳辉
Original assignee: 广东欧珀移动通信有限公司
Priority date: 2016-07-28
Filing date: 2017-04-25
Publication date: 2018-02-01
Also published as: CN106230043B; CN106230043A

Abstract

Provided are a charging device for a mobile terminal and a mobile terminal, wherein the mobile terminal comprises a main board. The charging device comprises a sub-board (10), wherein the sub-board (10) is connected to a main board and the sub-board (10) is located at a pre-set distance above the main board; and a charging circuit (20), wherein the charging circuit (20) is arranged on the sub-board (10) and the charging circuit (20) is used to charge a battery of a mobile terminal according to an input charging voltage. According to the charging device, interference between high and low voltage circuits can be prevented, and at the same time, the security of a high voltage can be improved.

Description

Charging device and mobile terminal of mobile terminal

Technical field

The present invention relates to the field of mobile terminal technologies, and in particular, to a charging device for a mobile terminal and a mobile terminal.

Background technique

At present, the fast charging path of the mobile terminal is generally disposed on the main board, and is designed on the printed circuit board PCB together with other circuits, so that the high voltage signal of the fast charging circuit and the low voltage signal of other circuits are likely to cause interference. At the same time, the high-voltage flash charging circuit and the low-voltage circuit together, it is easy to touch the high-voltage circuit during installation and maintenance and cause danger.

Summary of the invention

The present invention aims to solve at least one of the technical problems in the above-mentioned techniques to some extent. Accordingly, it is an object of the present invention to provide a charging apparatus for a mobile terminal that can avoid interference between high and low voltage circuits and at the same time improve high voltage safety.

A second object of the present invention is to provide a mobile terminal.

In order to achieve the above object, a first aspect of the present invention provides a charging device for a mobile terminal, where the mobile terminal includes a main board, and the charging device includes: a sub-board, and the sub-board is connected to the main board, and The sub-board is located at a preset distance above the main board; the charging circuit is disposed on the sub-board, and the charging circuit is configured to charge the battery of the mobile terminal according to the input charging voltage.

A charging device for a mobile terminal according to an embodiment of the present invention, by being spaced apart from the main board on the main board Set the sub-board at the distance and set the charging circuit on the sub-board to separate the charging circuit from other circuits on the main board, avoiding interference between high and low voltage circuits, and improving high-voltage safety.

In addition, the charging apparatus of the mobile terminal according to the above embodiment of the present invention may further have the following additional technical features:

Specifically, the charging circuit is for boosting the input charging voltage to quickly charge the battery.

Further, the preset distance is set according to the magnitude of the boosted charging voltage.

According to an embodiment of the invention, the daughter board includes a pad through which the daughter board is soldered over the motherboard.

Further, the pad is disposed on one side of the daughter board, and the charging circuit is disposed on the other side of the daughter board.

According to an embodiment of the invention, the mobile terminal comprises a mobile phone and a tablet.

In order to achieve the above object, a second aspect of the present invention provides a mobile terminal including a charging apparatus for a mobile terminal according to an embodiment of the first aspect of the present invention.

According to the mobile terminal of the embodiment of the present invention, interference between high and low voltage circuits can be avoided, and high voltage safety can be improved.

DRAWINGS

FIG. 1 is a schematic structural diagram of a charging apparatus of a mobile terminal according to an embodiment of the present invention.

detailed description

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the accompanying drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. Pieces. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

The charging device and the mobile terminal of the mobile terminal according to the embodiment of the present invention will be described below with reference to the accompanying drawings.

It should be noted that the mobile terminal in the embodiment of the present invention may include a mobile phone, a tablet computer, and the like. The mobile terminal includes a main board on which the main circuit system of the mobile terminal is disposed.

As shown in FIG. 1, a charging apparatus for a mobile terminal according to an embodiment of the present invention includes a sub-board 10 and a charging circuit 20.

The sub-board 10 is connected to the main board, and the sub-board 10 is located at a preset distance above the main board; the charging circuit 20 is disposed on the sub-board 10, and the charging circuit 20 is configured to charge the battery of the mobile terminal according to the input charging voltage. Specifically, the charging circuit 20 can boost the input charging voltage to quickly charge the battery. The preset distance may be set according to the magnitude of the boosted charging voltage. It should be understood that in order to effectively avoid interference between the charging circuit on the sub-board 10 and the low voltage circuit on the main board, the charging voltage after boosting is larger, and accordingly, the preset distance is larger.

In one embodiment of the invention, the daughter board 10 can be a printed circuit board PCB having a smaller area than the motherboard, the daughter board 10 includes pads, and the daughter board 10 can be soldered over the motherboard through the pads. The pad may be disposed on one side of the sub-board 10, and the charging circuit 20 may be disposed on the other side of the sub-board 10.

According to the charging apparatus of the mobile terminal according to the embodiment of the present invention, the charging circuit is separated from the other circuits on the main board by setting the sub-board at a predetermined distance from the main board on the main board and setting the charging circuit on the sub-board. It avoids interference between high and low voltage circuits and improves high voltage safety.

Corresponding to the above embodiments, the present invention also proposes a mobile terminal.

The mobile terminal of the embodiment of the present invention includes the charging device of the mobile terminal according to the foregoing embodiment of the present invention. For the specific implementation manner, reference may be made to the foregoing embodiment. To avoid redundancy, details are not described herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Out, Clockwise, Counterclockwise, Axial The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or The elements must have a particular orientation, are constructed and operated in a particular orientation and are therefore not to be construed as limiting.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature "on" or "under" the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature may be the first feature in the second feature The sign is just below or obliquely below, or simply indicates that the first feature level is less than the second feature.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.

Claims

A charging device for a mobile terminal, characterized in that the mobile terminal comprises a main board, and the charging device comprises:

a daughter board, the daughter board is connected to the motherboard, and the daughter board is located at a preset distance above the motherboard;

a charging circuit, the charging circuit is disposed on the sub-board, and the charging circuit is configured to charge a battery of the mobile terminal according to an input charging voltage.
A charging apparatus for a mobile terminal according to claim 1, wherein said charging circuit is for boosting an input charging voltage to quickly charge said battery.
A charging apparatus for a mobile terminal according to claim 1 or 2, wherein said main board comprises a low voltage circuit.
The charging device for a mobile terminal according to any one of claims 1 to 3, wherein the preset distance is set according to a magnitude of a boosted charging voltage.
The charging device for a mobile terminal according to claim 4, wherein the preset distance is positively correlated with the boosted charging voltage.
The charging device for a mobile terminal according to any one of claims 1 to 5, wherein the sub-board is a printed circuit board PCB.
The charging device for a mobile terminal according to claim 6, wherein an area of the sub-board is smaller than an area of the main board.
The charging device for a mobile terminal according to any one of claims 1 to 7, wherein the sub-board is soldered on the main board.
A charging device for a mobile terminal according to claim 8, wherein said daughter board Includes pads.
A charging apparatus for a mobile terminal according to claim 9, wherein said sub-board is soldered over said main board through said pad.
A charging apparatus for a mobile terminal according to claim 10, wherein said pad is provided on one side of said sub-board.
A charging apparatus for a mobile terminal according to claim 11, wherein said charging circuit is disposed on the other side of said sub-board.
The charging device for a mobile terminal according to any one of claims 1 to 12, wherein the mobile terminal comprises a mobile phone.
A charging device for a mobile terminal according to any one of claims 1 to 12, wherein the mobile terminal comprises a tablet computer.
A mobile terminal characterized by comprising the charging device of the mobile terminal according to any one of claims 1-14.