CN110768383A

CN110768383A - Wireless charging device and wireless charging system

Info

Publication number: CN110768383A
Application number: CN201810828770.3A
Authority: CN
Inventors: 陈社彪; 张加亮
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-07-25
Filing date: 2018-07-25
Publication date: 2020-02-07

Abstract

The embodiment of the application provides a wireless charging device and a wireless charging system, wherein the wireless charging device comprises a connecting plate and a base, and a wireless transmitting coil is arranged on the connecting plate; the base with the connecting plate is connected through rotating, the connecting plate can rotate relative to the base, be equipped with wireless transmitting coil and wireless transmission management chip on the base, wireless transmitting coil on the connecting plate and wireless transmitting coil on the base all with wireless transmission management chip electricity is connected. The wireless charging device can simultaneously use at least two wireless transmitting coils to charge the equipment to be charged, and a plurality of wireless receiving coils of the equipment to be charged are matched by a plurality of wireless transmitting coils, so that the charging power can be reasonably distributed, and the charging time is shortened.

Description

Wireless charging device and wireless charging system

Technical Field

The present disclosure relates to electronic devices, and particularly to a wireless charging device and a wireless charging system.

Background

With the popularization of wireless charging, more and more electronic devices support the wireless charging function. However, due to the limitation of the thickness of the mobile phone, the coil is required to be as thin as possible, which limits the charging speed of wireless charging.

Disclosure of Invention

The embodiment of the application provides a wireless charging device and a wireless charging system, which can improve the charging speed.

The embodiment of the application provides a wireless charging device, it includes:

the wireless transmitting coil is arranged on the connecting plate;

the base, the base with the connecting plate is connected through rotating the piece, the connecting plate base relatively rotates, be equipped with wireless transmitting coil and wireless transmission management chip on the base, wireless transmitting coil on the connecting plate and wireless transmitting coil on the base all with wireless transmission management chip electricity is connected.

The embodiment of the application also provides a wireless charging system, which comprises a wireless charging device and electronic equipment, wherein the wireless charging device wirelessly charges a battery of the electronic equipment, and the wireless charging device comprises a connecting plate and a base;

a wireless transmitting coil is arranged on the connecting plate;

the base with the connecting plate is connected through rotating, the connecting plate can rotate relative to the base, be equipped with wireless transmitting coil and wireless transmission management chip on the base, wireless transmitting coil on the connecting plate and wireless transmitting coil on the base all with wireless transmission management chip electricity is connected.

The embodiment of the application provides a wireless charging device, it includes connecting plate and base, and the base is connected through rotating the piece with the connecting plate, and the base rotates relatively to the connecting plate, is equipped with wireless transmitting coil and wireless transmission management chip on the base, and wireless transmitting coil on the connecting plate and the wireless transmitting coil on the base all are connected with wireless transmission management chip electricity. The wireless charging device can simultaneously use at least two wireless transmitting coils to charge the equipment to be charged (such as a mobile phone), and the plurality of wireless transmitting coils are matched with the plurality of wireless receiving coils of the equipment to be charged, so that the charging power can be reasonably distributed, and the charging time is shortened. Meanwhile, the current of each coil can be reduced and the heating of the coils can be reduced through the multiple transmitting coils and the multiple wireless receiving coils. The wireless transmitting coil on the connecting plate and the wireless transmitting coil on the base are connected to the wireless transmitting management chip in parallel, each wireless transmitting coil can be controlled independently, and one or two wireless transmitting chips can be controlled to transmit energy according to requirements. The wireless charging device can also charge two or more devices to be charged at the same time.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic view of a first structure of a wireless charging device according to an embodiment of the present disclosure.

Fig. 2 is a schematic view of a second structure of a wireless charging device according to an embodiment of the present disclosure.

Fig. 3 is a schematic structural diagram of a third exemplary embodiment of a wireless charging device.

Fig. 4 is a schematic diagram of a fourth structure of a wireless charging device according to an embodiment of the present application.

Fig. 5 is a fifth structural schematic diagram of a wireless charging device according to an embodiment of the present application.

Fig. 6 is a schematic view of a sixth structure of a wireless charging device according to an embodiment of the present application.

Fig. 7 is a schematic structural diagram of a wireless charging system according to an embodiment of the present application.

Fig. 8 is a schematic structural diagram of a second wireless charging system according to an embodiment of the present disclosure.

Fig. 9 is a schematic structural diagram of a third wireless charging system according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.

Wireless charging technology does not need the cable to accomplish the transmission of power, therefore, wireless charging technology is receiving more and more people's favor. The wireless charging technology generally connects an adapter with a wireless charging device (e.g., a wireless charging base), and wirelessly transmits output power of the adapter to a device to be charged through the wireless charging device (e.g., electromagnetic waves), so as to wirelessly charge the device to be charged.

According to different wireless charging principles, wireless charging methods are mainly classified into three methods, namely magnetic coupling (or electromagnetic induction), magnetic resonance and radio wave.

Currently, the mainstream wireless charging standards include QI standard, power physical association (PMA) standard, and wireless power association (A4 WP). The QI standard and the PMA standard both adopt a magnetic coupling mode for wireless charging. The A4WP standard uses magnetic resonance for wireless charging.

The embodiment of the application provides a wireless charging device and a wireless charging system. The details will be described below separately. Wherein, wireless charging device can be for wireless charging base, have wireless precious etc. that charges of function.

Referring to fig. 1, fig. 1 is a schematic view illustrating a first structure of a wireless charging device according to an embodiment of the present disclosure. The wireless charging device 200 includes a connection board 210 and a base 220. The connecting plate 210 is provided with a wireless transmitting coil 230. The base 220, the base 220 is connected with the connection board 210 through a rotation member 240, the connection board 210 can rotate relative to the base 220, the base 220 is provided with a wireless transmitting coil 230 and a wireless transmitting management chip 250, and the wireless transmitting coil 230 on the connection board 210 and the wireless transmitting coil 230 on the base 220 are electrically connected with the wireless transmitting management chip 250.

The wireless charging device 200 can use at least two wireless transmitting coils 230 to charge the device to be charged (such as a mobile phone), and the plurality of wireless transmitting coils 230 cooperate with the plurality of wireless receiving coils of the device to be charged, so that the charging power can be reasonably distributed, and the charging time can be shortened. Meanwhile, the current of each coil can be reduced and the heat generation of the coil can be reduced by the multi-wireless transmitting coil 230 and the multi-wireless receiving coil. The wireless transmitting coil 230 on the connecting board 210 and the wireless transmitting coil 230 on the base 220 are connected in parallel to the wireless transmitting management chip 250, and the wireless transmitting management chip 250 can individually control each wireless transmitting coil 230 and can control one or two wireless transmitting chips to transmit energy according to requirements. The wireless charging apparatus 200 may also simultaneously charge two or more devices to be charged.

For example, the device to be charged has two wireless receiving coils, and the base 220 and the connection board 210 of the wireless charging apparatus 200 each have one wireless transmitting coil 230. The two wireless receiving coils of the device to be charged are respectively arranged in one-to-one correspondence with the two wireless transmitting coils 230 of the wireless charging device 200, the two wireless transmitting coils 230 of the wireless charging device 200 are respectively arranged on the base 220 and the connecting plate 210, the two wireless transmitting coils 230 respectively radiate heat, heat is generated in the same area at the same time, and the influence on the wireless charging device 200 is reduced. The base 220 and the connection plate 210 are separated to facilitate respective heat dissipation.

It should be noted that there may be one, 2, or more, e.g., 3 or 4 wireless transmitting coils 230 on the base 220 and the connecting plate 210. The number of wireless transmitter coils 230 on the base 220 and the connecting plate 210 may or may not be equal.

In some embodiments, the number of the connection boards 210 is at least two, each connection board 210 is provided with a wireless transmitting coil 230, and the wireless transmitting coil 230 on each connection board 210 is electrically connected to the wireless transmitting management chip 250.

The wireless charging device 200 may include a plurality of connection boards 210, each circuit board is provided with a wireless transmitting coil 230, the wireless transmitting coils 230 on all the connection boards 210 are arranged in parallel, and the wireless transmitting coil 230 on each connection board 210 is electrically connected to the wireless transmitting management chip 250. A plurality of connecting plates 210 can be more convenient place the equipment of waiting to charge because, wireless transmission management chip 250 also can generate heat, if there are a plurality of connecting plates 210, then can put the equipment of waiting to charge on connecting plate 210, reduce the generating heat of base 220.

Referring to fig. 2, fig. 2 is a schematic diagram illustrating a second structure of a wireless charging device according to an embodiment of the present disclosure. Each of the connecting plates 210 is connected to the base 220 by a rotating member 240, and each of the connecting plates 210 is rotatable relative to the base 220.

Each connecting plate 210 is connected to the base 220 through a rotating member 240, for example, each connecting plate 210 is respectively disposed on different sides of the base 220, and each connecting plate 210 can rotate relative to the base 220. A plurality of connection plates 210 are disposed around the base 220. If two opposite sides of the base 220 are respectively provided with one connecting plate 210, the two connecting plates 210 can be vertically arranged with the base 220 to lift the base 220, so that the bottom of the base 220 is suspended, and the heat dissipation of the bottom of the base 220 is increased. In this embodiment, heat dissipation holes may be disposed at the bottom of the base 220, and the base 220 may further include heat dissipation channels penetrating up and down. When the base 220 is lifted, the heat dissipation channel penetrating up and down can quickly and effectively take the heat out of the base 220.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a wireless charging device according to an embodiment of the present disclosure. In some embodiments, the connecting plate 210 includes a first connecting plate 211 and a second connecting plate 212, the first connecting plate 211 is connected to the base 220 by a rotating member 240, the second connecting plate 212 is connected to the first connecting plate 211 by the rotating member 240, and the second connecting plate 212 is connected to the base 220 by the first connecting plate 211.

The base 220, the first connection plate 211 and the second connection plate 212 are connected in sequence.

Referring to fig. 4, fig. 4 is a schematic diagram illustrating a fourth structure of a wireless charging device according to an embodiment of the present disclosure. The connecting plate 210 further includes a third connecting plate 213 and a fourth connecting plate 214, the third connecting plate 213 is connected to the base 220 through a rotating member 240, the fourth connecting plate 214 is connected to the third connecting plate 213 through a rotating member 240, and the fourth connecting plate 214 is connected to the base 220 through the third connecting plate 213.

The base 220, the first connecting plate 211 and the second connecting plate 212 are connected in sequence, and the base 220, the third connecting plate 213 and the fourth connecting plate 214 are connected in sequence. The base 220 is used as a center and extends out to two sides of the base 220.

In some embodiments, the number of the second connecting plates 212 is at least two, at least two of the second connecting plates 212 are connected in sequence, and any two connecting plates 210 of the at least two connecting plates 210 are connected by a rotating member 240.

The wireless charging device 200 includes a plurality of second connection plates 212, and the plurality of second connection plates 212 are connected in sequence.

In some embodiments, the first connecting plate 211 and the third connecting plate 213 are disposed on opposite sides of the base 220.

The first connecting plate 211 and the third connecting plate 213 are disposed on opposite sides of the base 220, and extend toward opposite sides of the base 220 to form the connecting plates 210, respectively, with the base 220 as a center, to form a strip shape.

In some embodiments, the first connecting plate 211 and the third connecting plate 213 are disposed at two adjacent sides of the base 220.

The first connecting plate 211 and the third connecting plate 213 are disposed at two adjacent sides of the base 220, and the connecting plates 210 are respectively extended toward two adjacent sides of the base 220 to form a right-angled shape with the base 220 as a center.

In some embodiments, the wireless charging device 200 includes a plurality of second connection boards 212 and a plurality of fourth connection boards 214, the plurality of second connection boards 212 are connected in sequence, and the plurality of fourth connection boards 214 are connected in sequence.

Referring to fig. 5, fig. 5 is a schematic view illustrating a fifth structure of a wireless charging device according to an embodiment of the present disclosure. The connecting plate 210 includes a first side adjacent to the base 220, and the wireless transmitting coil 230 on the connecting plate 210 is disposed adjacent to the first side;

the base 220 is provided with a slide rail 270, and the wireless transmitting coil 230 on the base 220 can slide on the slide rail 270.

The wireless transmitting coil 230 on the connecting plate 210 is disposed adjacent to the base 220, the wireless transmitting coil 230 on the base 220 can slide along the sliding rail 270, and the relative positions of the two wireless transmitting coils 230 on the base 220 and the connecting plate 210 are adjusted to match with a device to be charged having two wireless receiving coils.

The slide rail 270 on the base 220 may have a slide rail 270, the direction of the slide rail 270 is perpendicular to the connection board 210, and the distance between the wireless transmitting coil 230 on the base 220 and the wireless transmitting coil 230 on the connection board 210 is adjustable. The slide rail 270 on the base 220 may have a plurality of rails. Specifically, the connecting plate may include a first sliding rail 270 perpendicular to the connecting plate 210 and a plurality of second sliding rails 270 parallel to the connecting plate 210, and the first sliding rail 270 is communicated with the second sliding rail 270, that is, the first sliding rail 270 may slide to the second sliding rail 270. The connecting plate can also comprise a plurality of first sliding rails 270 perpendicular to the connecting plate 210 and a plurality of second sliding rails 270 parallel to the connecting plate 210, wherein the first sliding rails 270 are communicated with the second sliding rails 270, namely the first sliding rails 270 can slide to the second sliding rails 270.

It should be noted that there may be a plurality of connection boards 210, each connection board 210 is connected to the base 220, and the position of the wireless transmitting coil 230 on each connection board 210 may be the same. The wireless transmitter coils 230 on each connecting board 210 may be different, so that the wireless transmitter coils 230 of the base 220 and the wireless transmitter coils 230 of different connecting boards 210 have different relative positions to match different devices to be charged, and the relative positions of the two wireless transmitter coils 230 of different devices to be charged are different.

In some embodiments, the connecting plate 210 is provided with a sliding rail 270, and the wireless transmitting coil 230 can slide along the sliding rail 270.

The wireless transmitting coil 230 on the connecting board 210 can slide on the connecting board 210 along the sliding rail 270, and the position of the wireless transmitting coil 230 on the connecting board 210 is adjusted so as to be capable of matching with a device to be charged with at least two wireless receiving coils.

The slide rail 270 disposed on the connecting plate 210 may adopt the structure of the base 220 disposed with the slide rail 270 in the above embodiments, and details are not repeated herein.

Referring to fig. 6, fig. 6 is a schematic view illustrating a sixth structure of a wireless charging device according to an embodiment of the present disclosure. The rotating member 240 includes a hinge, the connecting plate 210 is connected to the base 220 through the hinge, the connecting plate 210 is provided with a connecting port 280, the wireless transmitting coil 230 on the connecting plate 210 is electrically connected to the connecting port 280, and the connecting port 280 is electrically connected to the wireless transmitting management chip 250 on the base 220 through a connecting wire 281.

The connection plates 210 are connected with the base 220 through hinges, and the connection plates 210 are also connected through hinges, so that the connection between the connection plates 210 and the base 220 is facilitated. In addition, a connection port 280 is provided on the connection board 210 and the base 220, and then the electrical connection of the wireless transmission coil 230 on the connection board 210 and the wireless transmission management chip 250 of the base 220 is achieved through a connection line 281. The connection port 280 may be a general-purpose interface, such as a USB interface.

In some embodiments, the connection board 210 is not electrically connected to the base 220 through the connection port 280, but the wireless transmission coil 230 on the connection board 210 and the wireless transmission management chip 250 of the base 220 are electrically connected through a wire or an FPC by providing the wire or the FPC on the hinge. Wherein the wireless transmitting coils 230 on the plurality of connection boards 210 are arranged in parallel, and the wireless transmitting management chip 250 individually controls each wireless transmitting coil 230.

Referring to fig. 7, fig. 7 is a schematic view illustrating a first structure of a wireless charging system according to an embodiment of the present disclosure. The wireless charging system comprises a wireless charging device 200 and an electronic device 300, wherein the wireless charging device 200 wirelessly charges a battery of the electronic device 300, and the wireless charging device 200 may be the wireless charging device 200 in any one of the above embodiments.

In some embodiments, the electronic device 300 includes at least two wireless receiving coils 310, and the wireless charging apparatus 200 includes wireless transmitting coils 230 corresponding to the at least two wireless receiving coils 310 in a one-to-one manner.

The electronic device 300 has at least two wireless receiving coils 310, the electronic device 300 is placed on the wireless charging apparatus 200, and the at least two wireless receiving coils 310 of the electronic device 300 correspond to the transmitting coils of the wireless charging apparatus 200 one to one.

For example, the base 220 and the connection board 210 of the wireless charging apparatus 200 are laid flat, the two wireless receiving coils 310 of the electronic device 300 are disposed on the rear shell of the electronic device 300 at intervals, one wireless receiving coil 310 of the electronic device 300 corresponds to the wireless transmitting coil 230 of the base 220, and the other wireless receiving coil 310 of the electronic device 300 corresponds to the wireless transmitting coil 230 of the connection board 210. In this manner, the two wireless transmitting coils 230 of the wireless charging device 200 simultaneously radiate electromagnetic energy, and the two wireless receiving coils 310 of the electronic apparatus 300 simultaneously receive the electromagnetic energy and convert the electromagnetic energy into electric energy, and then charge the battery with the converted electric energy.

It should be noted that 3, 4, or more wireless receiving coils 310 may also be disposed on the electronic device 300. Correspondingly, the wireless charging device 200 may also be provided with a plurality of wireless transmitting coils 230, and the wireless transmitting coils 230 are in one-to-one correspondence with the plurality of wireless receiving coils 310.

Referring to fig. 8 and 9, fig. 8 is a second structural schematic diagram of a wireless charging system according to an embodiment of the present disclosure, and fig. 9 is a third structural schematic diagram of the wireless charging system according to the embodiment of the present disclosure. The electronic device 300 comprises a main body 320 and a folding part 330, wherein the folding part 330 is connected with the main body 320 through a rotating shaft (not shown in the figure), the folding part 330 can rotate relative to the main body 320, and the main body 320 and the folding part 330 are both provided with a wireless receiving coil 310;

the folding part 330 is disposed on the connecting plate 210, and the wireless receiving coil 310 of the folding part 330 is disposed corresponding to the wireless transmitting coil 230 of the connecting plate 210;

the main body 320 is disposed on the base 220, and the wireless receiving coil 310 of the main body 320 is disposed corresponding to the wireless transmitting coil 230 of the base 220.

When the main body 320 and the folder 330 of the electronic device 300 are separated, the heat radiation area of the wireless receiving coil 310 provided in the main body 320 and the folder 330 is increased. If the wireless receiving coil 310 of the main body 320 and the wireless receiving coil 310 of the folding portion 330 are originally spaced apart from each other, the spacing may be further, and if the wireless receiving coil 310 of the main body 320 and the wireless receiving coil 310 of the folding portion 330 are originally spatially overlapped with each other, that is, the two coils are projected on the same plane and intersect with each other, the coils may be spaced apart from each other and receive energy at the same time.

The folding portion 330 is provided on the connection board 210, the body portion 320 is provided on the base 220, and the receiving antenna and the wireless transmitting antenna are in one-to-one correspondence.

Among them, the connection plate 210 and the base 220 may be formed in various shapes.

For example, the connection board 210 and the base 220 may form a sharp corner, the connection board 210 and the base 220 are erected and disposed at an angle to the placement surface, a passage is formed between the connection board 210 and the base 220, the folder 330 of the electronic device 300 is placed on the connection board 210, and the body 320 of the electronic device 300 is placed on the base 220. In this way, the heat dissipation area is increased, the channel between the connection board 210 and the base 220 can also dissipate heat, the base 220 forms a certain angle with the placing surface, the main body 320 of the electronic device 300 is placed on the base 220, and the electronic device 300 can be used while wirelessly charging, such as watching videos.

For another example, the connection board 210 may have at least two connection boards 210, and the at least two connection boards 210 and the base 220 may form a triangle, wherein the substrate is laid on the placement surface, and the folding portion 330 and the body portion 320 of the electronic device 300 are respectively placed on the other two sides (two connection boards 210) of the triangle. In other embodiments, the connection plates 210 may be placed flat on the placement surface instead of the base plate, and three connection plates 210 may also form a triangle.

For another example, the connection board 210 may have at least two connection boards 210, at least two connection boards 210 and two connection boards 210 in the base 220 are vertically disposed, and the base 220 is disposed in parallel with the disposition plane and suspended, that is, the connection boards 210 connected to two sides of the base 220 support the base 220, the folding portion 330 of the electronic device 300 is disposed on the base 220, and the main portion 320 of the electronic device 300 is disposed adjacent to one of the connection boards 210. In other embodiments, the connection plates 210 may be placed in parallel instead of the base 220, and a similar structure may be adopted for three connection plates 210, i.e. two vertically placed connection plates 210 support one connection plate 210.

The charging device 200 may communicate with the electronic apparatus 300. Specifically, wired communication can be performed through a USB interface, and wireless communication can also be performed through modes such as WIFI, Bluetooth and near field communication. Wireless communication may also be performed through wireless transmit coil 230 and wireless receive coil 310.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The wireless charging device and the wireless charging system provided by the embodiments of the present application are described in detail above, and specific examples are applied herein to illustrate the principles and implementations of the present application, and the above description of the embodiments is only used to help understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A wireless charging device, comprising:

the wireless transmitting coil is arranged on the connecting plate;

2. The wireless charging device of claim 1, wherein the number of the connecting plates is at least two, each connecting plate is provided with a wireless transmitting coil, and the wireless transmitting coil on each connecting plate is electrically connected with the wireless transmitting management chip.

3. The wireless charging device of claim 2, wherein each of the connecting plates is connected to the base by a rotating member, and each of the connecting plates is rotatable relative to the base.

4. The wireless charging device of claim 2, wherein the connecting plate comprises a first connecting plate and a second connecting plate, the first connecting plate is connected with the base through a rotating member, the second connecting plate is connected with the first connecting plate through a rotating member, and the second connecting plate is connected with the base through the first connecting plate.

5. The wireless charging device of claim 4, wherein the connecting plate further comprises a third connecting plate and a fourth connecting plate, the third connecting plate is connected to the base through a rotating member, the fourth connecting plate is connected to the third connecting plate through a rotating member, and the fourth connecting plate is connected to the base through the third connecting plate.

6. The wireless charging device of claim 5, wherein the first and third connection plates are disposed on opposite sides of the base;

or

The first connecting plate and the third connecting plate are arranged on two adjacent sides of the base.

7. The wireless charging device according to claim 4, wherein the number of the second connecting plates is at least two, at least two of the second connecting plates are connected in sequence, and any two of the at least two connecting plates are connected through a rotating member.

8. The wireless charging device of claim 1, wherein the connection plate includes a first side adjacent to the base, the wireless transmitting coil on the connection plate being disposed adjacent to the first side;

the base is provided with a slide rail, and the wireless transmitting coil on the base can slide along the slide rail.

9. The wireless charging device of claim 1, wherein the connecting plate is provided with a sliding rail, and the wireless transmitting coil can slide along the sliding rail.

10. The wireless charging device of claim 1, wherein the rotating member comprises a hinge, the connecting plate is connected to the base via the hinge, the connecting plate is provided with a connecting port, the wireless transmitting coil on the connecting plate is electrically connected to the connecting port, and the connecting port is electrically connected to the wireless transmitting management chip on the base via a connecting wire.

11. A wireless charging system is characterized by comprising a wireless charging device and electronic equipment, wherein the wireless charging device wirelessly charges a battery of the electronic equipment and comprises a connecting plate and a base;

a wireless transmitting coil is arranged on the connecting plate;

12. The wireless charging system of claim 11,

the electronic equipment comprises at least two wireless receiving coils, and the wireless charging device comprises transmitting coils which are in one-to-one correspondence with the at least two wireless receiving coils.

13. The wireless charging system of claim 11,

the electronic equipment comprises a body part and a folding part, wherein the folding part is connected with the body part through a rotating shaft, the folding part can rotate relative to the body part, and the body part and the folding part are both provided with wireless receiving coils;

the folding part is arranged on the connecting plate, and a wireless receiving coil of the folding part is arranged corresponding to a wireless transmitting coil of the connecting plate;

the body part is arranged on the base, and the wireless receiving coil of the body part is arranged corresponding to the wireless transmitting coil of the base.