WO2019237835A1

WO2019237835A1 - Wireless charging device and operating method therefor

Info

Publication number: WO2019237835A1
Application number: PCT/CN2019/084023
Authority: WO
Inventors: 刘小灵; 杨禹
Original assignee: 深圳市乐得瑞科技有限公司
Priority date: 2018-06-14
Filing date: 2019-04-24
Publication date: 2019-12-19
Also published as: CN208849475U

Abstract

A wireless charging device (10), comprising a wireless charging apparatus (101) and an adhesive material (102). The adhesive material (102) is provided on one side of the wireless charging apparatus (101). The adhesive material (102) is provided to attach the wireless charging apparatus (101) to a rear housing (111) of a smart terminal (11) provided with a wireless receiving coil. A wiring groove (1011) is provided on a lateral surface of the wireless charging apparatus (101). The wiring groove (1011) is provided to accommodate a power cord (1012) of the wireless charging apparatus (101). The wireless charging device (10) allows the smart terminal (11) to be used as normal while being charged by a user, is simple to operate and easy to carry, thus enhancing user experience on charging. Also related is an operating method for the wireless charging device (10).

Description

[Name of invention formulated by ISA in accordance with Rule 37.2] A wireless charging device and its operation method

This disclosure claims priority from a Chinese patent application filed with the Chinese Patent Office on June 14, 2018, with an application number of 201820923057.2, the entire contents of which are incorporated herein by reference.

Technical field

The embodiments of the present application relate to the technical field of wireless charging, and in particular, to a wireless charging device.

Background technique

With the development of electronic technology, electronic products of smart terminals such as mobile phones and tablet computers have become an indispensable part of people's lives. Therefore, convenient and convenient charging methods have attracted more and more attention and recognition.

At present, the charging of smart terminals usually uses two methods: wired charging and wireless charging. Wired charging is to plug one end of the charging cable into the fixed charging socket of the smart terminal and the other end to a power outlet to charge the smart terminal. Wireless charging is After the wireless charging device is powered on, the area where the wireless receiving coil of the smart terminal is located is located in the area where the wireless transmitting coil of the wireless charging device is located, so that the intelligent terminal can be wirelessly charged.

However, the wired charging method causes the inconvenience of using the smart terminal during the charging process because the charging terminal of the smart terminal is fixed. For example, when the user is playing a game during the charging process, the charging plug at a fixed location will affect the user's operation. For another example, the charging socket of some smart terminals is used for both charging and earphones. Users cannot achieve two different requirements through a fixed socket. In the existing wireless charging method, when the user picks up the smart terminal during the charging process, that is, when the smart terminal leaves the wireless charging device, the wireless charging process is automatically interrupted. When the user continues to charge after using the smart terminal, the coil needs to be coiled again. The alignment of the area and the complicated operation reduce the user's charging experience.

Summary of the Invention

An embodiment of the present application provides a wireless charging device that can normally use a smart terminal during a user's charging process, has simple operation, is easy to carry, and improves the user's charging experience.

An embodiment of the present application provides a wireless charging device, which includes a wireless charging device and an adsorption material;

The adsorption material is disposed on one side of the wireless charging device, and the adsorption material is disposed to adhere the wireless charging device to a rear case of the smart terminal provided with a wireless receiving coil;

A winding groove is opened on a side of the wireless charging device, and the winding groove is configured to receive a power cord of the wireless charging device.

BRIEF DESCRIPTION OF THE DRAWINGS

1 is a schematic front view of a wireless charging device provided in Embodiment 1 of the present application;

2 is a schematic diagram of using a wireless charging device provided in Embodiment 1 of the present application;

FIG. 3 is a schematic rear view of a wireless charging device provided in Embodiment 1 of the present application.

detailed description

The following describes the present application in detail with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present application, rather than limiting the present application. It should also be noted that, for convenience of description, the drawings only show a part of the structure related to the present application, but not the entire structure.

Example one

FIG. 1 is a schematic front view of a wireless charging device provided in Embodiment 1 of the present application, and FIG. 2 is a schematic diagram of using the wireless charging device provided in Embodiment 1 of the present application, which is applicable to a case where wireless charging is performed on a smart terminal. As shown in FIG. 1 and FIG. 2, the wireless charging device 10 specifically includes: a wireless charging device 101 and an adsorption material 102;

The wireless charging device 101 may be a device capable of wirelessly charging a smart terminal. The wireless charging device 101 includes components required for wireless charging, such as a wireless transmitting coil, an electromagnetic signal insulation layer, and a circuit board. In some embodiments, the shell shape of the wireless charging device 101 may be the shell shape shown in FIG. 1, or may be any other shell shape. In some embodiments, the shape of the wireless charging device 101 may be a regular cube shape. In some embodiments, the volume of the wireless charging device 101 can be set as small as possible, thereby improving the portability of the wireless charging device 10.

In this embodiment, the adsorption material 102 is a viscous, reusable material. For example, it may be a viscous silicone material. After the material loses its viscosity, the adsorption material 102 can be washed to restore the viscosity, thereby achieving repetition. Use effect. In some embodiments, the adsorbent material 102 may be any reusable material with viscosity in the art.

The adsorption material 102 is disposed on one side of the wireless charging device 101, and the adsorption material 102 is disposed to adhere the wireless charging device 101 to the rear case 111 of the smart terminal 11 provided with a wireless receiving coil;

As shown in FIGS. 1 and 2, the adsorption material 102 is disposed on one side of the wireless charging device 101. In some embodiments, in order to improve the adhesion between the smart terminal 11 and the wireless charging device 101, the adsorption material 102 may be selected to be disposed on a larger area of the wireless charging device 101. The larger the area occupied by the adsorptive material 102 on this surface, the stronger the adsorptivity when adhered to the smart terminal 11.

In the embodiment of the present application, the wireless charging device 10 composed of the wireless charging device 101 and the adsorption material 102 can closely adhere the wireless charging device 10 and the smart terminal 11 to be charged through the adsorption material 102, so as to be compatible with the existing Compared with the wireless charging device of the present invention, in the wireless charging device 10 provided by the present application, in the wireless charging process of the smart terminal 11, even if the user picks up the smart terminal 11, the charging process will not be interrupted, and the wireless charging device does not need to be wireless again after use. When charging, re-align the area of the wireless transmitting antenna and wireless receiving antenna.

Compared with the existing wired charging device, the wireless charging device 10 provided in this application can solve the inconvenience caused to the user by fixing the wired charging socket of the smart terminal 11. For example, the charging socket of the existing mobile phone is usually at the lower end of the mobile phone. When playing games, it is often necessary to turn the mobile phone into a horizontal screen and hold the two ends to operate. If the user is playing the game while charging the mobile phone, the position of the charging cable is exactly the position of the user's handshake, which affects the user's game operation. The wireless charging device 10 provided in this application can solve this problem well, because the adsorbent material 102 on the wireless charging device 10 in this application can be a reusable material, and if the wireless charging device 101 of the wireless charging device 10 is When the power cord 1012 affects the user's operation, the wireless charging device 10 can be removed from the smart terminal 11 and the power cord 1012 of the wireless charging device 101 can be re-attached and re-attached to the smart terminal 11 to avoid playing games. Impact of charging cable on operation.

As another example, when the charging socket of the smart terminal 11 is used for both charging and earphones, the wireless charging device 10 provided in this application can release the charging socket of the smart terminal 11 when charging the smart terminal 11, which not only extends This increases the life of the charging socket, and meets the needs of users using other functions of the socket, improving the user experience.

Optionally, since wireless charging, the best charging effect can be achieved only when the positions of the wireless transmitting coil and the wireless receiving coil match. If the positions of the wireless transmitting coil and the wireless receiving coil are misaligned, the wireless receiving coil can only After receiving part of the power generated by the wireless transmitting coil, there is a case of waste of power. When the wireless charging device 10 is designed, the area occupied by the wireless transmitting coil in the wireless charging device 101 may be smaller than or equal to the area occupied by the adsorption material 102 and disposed directly below the adsorption material 102. In this way, when the user uses the wireless charging device 10, the specific position of the wireless transmitting coil in the wireless charging device 10 can be determined according to the position of the adsorption material 102. When guiding the user to attach the wireless charging device 10 to the rear case of the smart terminal 11, the position of the wireless receiving coil is matched with the position of the wireless receiving coil by matching the position of the adsorbent material 102 to the position of the wireless receiving coil of the rear case 111 of the smart terminal Therefore, the wireless charging efficiency of the smart terminal 11 is improved, and the waste of power of the wireless charging device is reduced.

The side of the wireless charging device 101 is provided with a winding slot 1011. The winding slot 1011 is configured to receive a power cord 1012 of the wireless charging device 101.

As shown in FIG. 1 or FIG. 2, a winding groove 1011 is opened on the side of the wireless charging device 101. The depth of the winding groove 1011 can be determined by the length of the power cord 1012. The winding groove 1011 can allow the power cord 1012 to be stored in a casing of the wireless charging device 10, so that the wireless charging device 10 having a storage function is adhered to the rear case 111 of the smart terminal. This can improve the convenience of the wireless charging device 10 and improve the charging experience of the user.

As shown in FIG. 1 and FIG. 2, the specific operation process of the wireless charging device provided in the embodiment of the present application may be:

The user needs to align and paste the position of the adsorption material 102 on the wireless charging device 10 in advance to the position of the wireless receiving coil on the rear case 111 of the smart terminal. (Usually, the wireless receiving coil of the smart terminal 11 is set on the rear case of the smart terminal. 111 in the middle). When the user wants to charge the smart terminal 11, it only needs to unfold the power cord 1012 from the winding slot 1011 of the wireless smart device 10, and insert the charging plug of the power cord 1012 to the power supply to supply power to the wireless charging device 10. , The wireless charging device 10 can wirelessly charge the smart terminal 11.

In an embodiment, the wireless charging device 101 includes: a wireless charging device housing, a wireless transmitting coil, an electromagnetic signal insulation layer, and a power line;

The wireless transmitting coil is disposed inside the housing of the wireless charging device. One side of the wireless transmitting coil is close to the adsorption material 102 and the other side is fixed on the electromagnetic signal insulation layer. The wireless transmitting coil is configured to generate an electromagnetic signal. To enable a wireless receiving coil in the smart terminal 11 to receive the electromagnetic signal for wireless charging;

The electromagnetic signal isolation layer is configured to isolate an electromagnetic signal generated by the wireless transmitting coil from being transmitted on one side of the electromagnetic signal isolation layer;

One end of the power cord is fixed to the wireless transmitting coil, and the other end is a charging plug. The power cord is configured to be connected to a power supply socket through the charging plug to supply power to the wireless charging device 101.

And, in this embodiment, the electromagnetic signal isolation layer is located inside the casing of the wireless charging device.

The wireless charging methods of the wireless charging device 101 may include, but are not limited to, electromagnetic induction, magnetic resonance, electric field coupling, and radio wave transmission. Taking the electromagnetic induction type as an example, the working principle of the wireless charging device 101 in the wireless charging device 10 may be: energy coupling is performed through a coil to realize energy transfer. Specifically, when wireless charging is performed, a charging plug is inserted into a power supply socket to supply power to the wireless charging device 101, and the other end is connected to a wireless transmitting coil. Through the energy coupling between the wireless transmitting coil and the wireless receiving coil in the smart terminal 11, the current received by the wireless receiving coil can be The conversion circuit in the smart terminal 11 changes to direct current to charge the battery of the smart terminal 11.

In an embodiment, the charging plug of the power cord 1012 of the wireless charging device 10 is not convenient to receive in the winding slot 1011. In order to better accommodate the power cord 1012 and improve the convenience of the wireless charging device 10, as shown in FIG. 3 A charging plug groove 1013 is provided on a side of the wireless charging device 101 facing away from the adsorption material 102, and the charging plug groove 1013 is configured to receive and fix the charging plug of the power cord 1012.

The charging plug interface of the power cord 1012 may be a universal serial bus (Universal Serial Bus, USB) interface. The shape, depth, and size of the charging plug groove 1013 depend on the shape, height, and size of the charging plug interface of the power cord 1012. Optionally, the charging plug groove 1013 may be a magnetic suction groove, in which a magnet suction piece is provided, and the magnet suction piece is configured to adsorb the charging plug into the charging plug groove 1013, thereby improving the stability of the charging plug storage. Sex. The wireless charging device 10 provided in the present application stores the power cord 1012 cable and the charging plug separately. Even when the smart terminal 11 is in motion, the power cord is not easy to scatter, which improves the portability of the wireless charging device and extends wireless charging. The service life of the power cord of the device 10.

In an embodiment, in order to let the user know in real time whether the positions of the wireless transmitting coil and the wireless receiving coil match and ensure the efficiency of wireless charging, the wireless charging device 10 further includes: a display module provided on the wireless charging device 101, The display module is configured to display the coil alignment between the wireless charging device 10 and the smart terminal 11.

The display module may be a display screen provided on the wireless charging device 10, and the matching degree of the position of the wireless transmitting coil and the wireless receiving coil is displayed on the display screen. When the matching degree is lower than a preset threshold, the user is prompted to adjust the wireless charging. The location of the device 10, for example, "Please readjust the position of the wireless charging device according to the prompts to improve the charging efficiency" will be displayed on the display. The display module may also be an indicator light provided on the wireless charging device 10. If the degree of matching between the position of the wireless transmitting coil and the wireless receiving coil is less than a preset threshold, the indicator light will flash or stay on to remind the user of wireless transmission The position of the coil and the wireless receiving coil do not match, and the position of the wireless charging device 10 needs to be readjusted.

In the wireless charging device provided in the embodiment of the present application, a wireless charging device is provided on one side of the wireless charging device, and the wireless charging device is adhered to the rear case of the smart terminal provided with the wireless receiving coil, thereby wirelessly charging the smart terminal. The smart terminal can be used normally during the charging process of the user without frequent alignment of the area where the coil is located, which reduces the charging operation of the smart terminal. In addition, the side of the wireless charging device is provided with a winding slot for accommodating no power cord, which improves the portability of the wireless charging device and further improves the charging experience of the user.

Claims

A wireless charging device includes a wireless charging device and an adsorption material;

The adsorption material is disposed on one side of the wireless charging device, and the adsorption material is disposed to adhere the wireless charging device to a rear case of the smart terminal provided with a wireless receiving coil;

A winding groove is opened on a side of the wireless charging device, and the winding groove is configured to receive a power cord of the wireless charging device.
The apparatus according to claim 1, wherein the adsorbent material is a reusable material having viscosity.
The device according to claim 1, wherein the wireless charging device comprises: a wireless charging device housing, a wireless transmitting coil, an electromagnetic signal insulation layer, and a power cord;

The wireless transmitting coil is disposed inside the casing of the wireless charging device. One side of the wireless transmitting coil is close to the adsorption material, and the other side is fixed on the electromagnetic signal insulation layer. The wireless transmitting coil is configured to generate an electromagnetic signal. So that the wireless receiving coil in the smart terminal receives the electromagnetic signal for wireless charging;

The electromagnetic signal isolation layer is configured to isolate an electromagnetic signal generated by the wireless transmitting coil from being transmitted on one side of the electromagnetic signal isolation layer;

One end of the power cord is fixed to the wireless transmitting coil, and the other end is a charging plug. The power cord is configured to be connected to a power supply socket through the charging plug to supply power to the wireless charging device.
The device according to claim 3, wherein an area occupied by the wireless transmitting coil is smaller than or equal to an area occupied by the adsorption material, and is disposed directly below the adsorption material.
The device according to claim 1, wherein a charging plug groove is provided on a side of the wireless charging device facing away from the adsorption material, and the charging plug groove is configured to receive and fix the charging plug of the power cord.
The device according to claim 1, the wireless charging device further comprising: a display module provided on the wireless charging device, the display module being configured to display a coil alignment condition of the wireless charging device and a smart terminal.
The apparatus according to claim 2, wherein the adsorption material is a silica gel material.
The device according to claim 5, wherein a magnet suction piece is provided in the charging plug groove, and the magnet suction piece is configured to adsorb the charging plug in the charging plug groove.
A method for operating a wireless charging device, which is used for the wireless charging device according to any one of claims 1-8, and a charging plug is provided on the power cord;

The operation method of the wireless charging device includes:

Aligning and pasting the position of the adsorption material on the wireless charging device to the position of the wireless receiving coil on the rear shell of the smart terminal;

Extend the power cord of the wireless charging device, and plug the charging plug into a power supply.
The method according to claim 9, further comprising:

Obtaining a degree of matching between a position of the wireless transmitting coil and the position of the wireless receiving coil included in the wireless charging device;

Based on the determination result that the position of the wireless transmitting coil and the position of the wireless receiving coil is less than a preset threshold, the user is prompted to adjust the position of the wireless charging device.
The method according to claim 10, further comprising:

A degree of matching between the position of the wireless transmitting coil and the position of the wireless receiving coil is displayed on a display screen, wherein the display screen is a display module provided on the wireless charging device.