TWM578481U - Magnetic resonance type wireless charging intelligent ball - Google Patents

Abstract

The purpose of the present invention is to provide a magnetic resonance type wireless charging smart sphere and a system thereof, so that wireless charging can be performed between the smart sphere and the wireless charging transmission device at any angle and at a longer distance, and the conventional solution is solved. Both need to be accurately aligned to be able to charge and improve the distance between the two.  The wireless rechargeable smart sphere according to the present invention comprises a ball body and a resonant wireless charging receiving device. The ball body has a hollow interior defined by its inner wall. The resonant wireless charging receiving device is disposed in the hollow interior of the ball body and includes: a first resonant coil that receives magnetic energy from the outside of the ball body in a magnetic resonance manner; and is electrically connected to the first resonant coil a battery device; electrically connected to a first micro control device of the battery device. The wireless rechargeable smart sphere system according to the present invention comprises the wireless rechargeable smart sphere and a resonant wireless charging transmission device outside the sphere body. The resonant wireless charging transmission device includes a second micro control device and a second resonant coil.  

Description

Magnetic resonance wireless charging smart sphere

This creation is about a smart sphere. Specifically, the present invention relates to a smart sphere that wirelessly charges using magnetic resonance.

With the rapid development of the smart device industry, smart devices are gradually being applied to sports-related products. The emergence of intelligent sporting goods has enabled sports enthusiasts to get more effective training effects through smart sports goods even without professional coaches. For example, the combination of an electronic device with a sphere (such as basketball, soccer, volleyball, and a sphere such as American football) (hereinafter also referred to as a smart sphere) allows various sports related materials during ball sports to be collected as a reference. in accordance with.

However, when ball motion is performed using a sphere equipped with an electronic device, the sphere is often subjected to a severe impact or impact, thus causing damage to the electronic device inside the smart sphere. In addition, when the power of the smart sphere is exhausted, the current method uses the magnetic induction technology to perform wireless charging, but this method has the limitation that it must be accurately aligned and does not allow a slight offset. Moreover, the magnetic induction technology is also limited by the distance between the transmitting end and the receiving end coil, so that the receiving end coil is usually located on the inner wall of one side of the sphere, thus causing unevenness in the weight of the sphere.

This creation is produced in this context.

In view of the above, a wireless rechargeable smart sphere is provided according to an embodiment of the present invention, comprising a ball body and a resonant wireless charging receiving device. The ball body has a hollow interior defined by its inner wall. The resonant wireless charging receiving device is disposed in the hollow interior of the ball body and includes a first resonant coil, a battery device, and a first micro control device. The first resonant coil receives electrical energy from the outside of the ball body in a magnetic resonance manner and is disposed on the inner wall of the ball body. The battery device is electrically connected to the first resonant coil such that the first resonant coil supplies the received electrical energy to the battery device and stores it. The first micro control device is electrically connected to the battery device.

In one embodiment, the first resonant coil is disposed on a flexible printed circuit board, and the flexible printed circuit board is attached to the inner wall of the ball body. In an embodiment, the flexible printed circuit board has a rectangular outer shape. In one embodiment, the opposite sides of the flexible printed circuit board are joined to each other to form an annular shape and to be attached to the inner wall of the ball body. In one embodiment, the flexible printed circuit board includes one or more air cushions wrapped around the same, and wherein the one or more air cushions around the flexible printed circuit board are attached to the inner wall of the ball body. And attaching the flexible printed circuit board to the inner wall of the ball body. In an embodiment, the wireless rechargeable smart sphere includes two or more of the flexible printed circuit boards. In one embodiment, a protective member located in the hollow interior of the ball body is further included to mitigate shock. In one embodiment, the protective member includes at least one of one or more air cushions, one or more moldable silicone pads, and one or more shock absorbing springs.

According to an embodiment of the present invention, a wireless rechargeable smart sphere system is provided, comprising a wireless rechargeable smart sphere, and a resonant wireless charging transmission device outside the sphere body. The resonant wireless charging transmission device includes a second micro control device and a second resonant coil. The second resonant coil supplies electrical energy to the resonant wireless charging receiving device in a magnetic resonance manner. In an embodiment, the second resonant coil is coiled in a cylindrical form and disposed in the resonant wireless charging transmission device.

Other aspects of the present work will become apparent from the following detailed description taken in conjunction with the accompanying drawings.

In order to provide a thorough understanding of the creation, many specific details will be presented in the following description. The disclosed embodiments may be practiced without some or all of the specific details. Well-known operations and principles are not described in detail in order not to unnecessarily obscure the disclosed embodiments. When the disclosed embodiments are described in conjunction with the specific examples, it is understood that the invention is not intended to limit the disclosed embodiments. In addition, the various embodiments shown in the figures are intended to be illustrative and not necessarily to scale.

This creation provides a smart sphere for wireless charging using magnetic resonance, which has the advantages of precise alignment and uniform weight distribution of the ball when charging. Various embodiments of the present work will be described below with reference to the accompanying drawings.

1 is a schematic diagram of a smart sphere system 100 in accordance with an embodiment of the present invention. As shown in FIG. 1, the smart sphere system 100 includes a wireless rechargeable smart sphere 110 and a wireless charging transmission device 30. The wireless charging smart sphere 110 includes a ball body 11 and a wireless charging receiving device 20. The wireless charging receiving device 20 includes a battery device 12, a micro control device 13, and a receiving resonant coil 21 (ie, a first coil), and the wireless charging transmitting device 30 includes a transmitting resonant coil 31 (ie, a second coil) and a micro control device. 33. The ball body 11 has a spherical outer shape and a hollow inner space defined by the inner wall of the ball body 11. The wireless charging receiving device 20 is positioned in the internal space of the ball body 11 and is supported by one or more supports as shown in FIG. The receiving resonant coil 21 is electrically connected to the battery device 12 such that the receiving resonant coil 21 can supply the received electrical energy to the battery device 12 and store it. The battery device 12 is electrically connected to the micro control device 13 so that the electrical energy stored in the battery device 12 can be supplied to the micro control device 13. It should be noted that the micro-control device 13 in the wireless charging receiving device 20 and the micro-control device 33 in the wireless charging transmitting device 30 have protection functions such as overcharge prevention and current limiting. The wireless charging transmission device 30 is located outside the ball body 11 and is independent of the ball body 11. The wireless charging transmission device 30 is electrically connected to a power source (not shown), and the transmission resonant coil 31 supplies power to the wireless charging receiving device 20 in a magnetic resonance manner. The receiving resonance coil 21 of the wireless charging receiving device 20 receives the electric energy from the outside of the ball body 11 in a magnetic resonance manner, for example, the electric energy supplied from the transmission resonant coil 31 of the wireless charging transmission device 30. When charging is desired, the ball body 11 can be placed on the wireless charging transmission device 30, as shown in FIG.

In the present creation, the wireless charging receiving device 20 is a resonant wireless charging receiving device, and the wireless charging transmitting device 30 is a resonant wireless charging transmitting device, that is, in the present creation, magnetic resonance technology is used for wireless charging. The resonance coils 31 and 21 serve as resonance coils for transmitting and receiving electric energy, respectively. Resonant coils 21 and 31 will be discussed in more detail below.

According to an embodiment of the present invention, FIG. 2 shows a schematic diagram of the receiving resonant coil 21 of the wireless charging receiving device 20. In an embodiment, the receiving resonant coil 21 may be disposed on an inner wall of the ball body 11. In the embodiment shown in FIG. 2, the receiving resonant coil 21 can be wound around a carrier 23 which can be attached to the inner wall of the ball body 11. The carrier 23 may be a flexible carrier (for example, a flexible printed circuit board) attached to the inner wall of the ball body 11 to be attached thereto. In some embodiments, the carrier 23 can have a rectangular outer shape.

According to another embodiment of the present creation, FIG. 3 shows a schematic diagram of the receiving resonant coil 21 of the wireless charging receiving device 20. As shown in FIG. 3, the opposite sides of the carrier 23 of FIG. 2 can be joined to each other to be crimped to form a ring shape, and attached to the inner wall of the ball body 11 .

Referring now back to FIG. 1, as shown in FIG. 1, in some embodiments, the transmission resonant coil 31 is coiled and disposed in the wireless charging transmission device 30 in the form of a column. In this way, the strength of the transmission signal of the wireless charging transmission device 30 can be increased, so that even if the resonance coil of the wireless charging receiving device provided in the ball body is small, the transmission signal can be received. Although the transmission resonant coil 31 in FIG. 1 is shown as a circular cylindrical coil, it should be understood that the transmission resonant coil 31 may be a cylindrical coil of any shape.

In accordance with an embodiment of the present invention, FIG. 4A shows a schematic diagram of a wireless charging receiving device. As shown in FIG. 4A, the battery device 12, the micro-control device 13, and the receiving resonance coil 21 are disposed in a central region of the hollow interior of the ball body. For example, the devices can be placed on a flexible or rigid printed circuit board and secured in the center of the sphere. In some embodiments, the hollow interior of the sphere may have a protective member to mitigate the impact of various components within the sphere. The protective member can be disposed around the wireless charging receiving end device in the hollow interior space. For example, the protective member can be made of an elastic material. As shown in FIG. 4B, in some embodiments, the guard 26 can be one or more air cushions, or a moldable silicone pad. As shown in FIG. 4C, in some embodiments, the guard 28 can be one or more shock absorbing springs.

According to an embodiment of the present invention, FIG. 5 shows a schematic diagram of a wireless charging receiving device disposed on the inner wall of the globe. As shown in FIG. 5, the pad resonant coil 22 is disposed on the inner wall of the ball body, wherein the pad resonant coil 22 is padded via the receiving resonant coil 21 and the carrier 23 of FIG. And formed. In some embodiments, the entire pad resonant coil 22 can be attached to the inner wall of the ball body by attaching the pad 24 of the pad resonant coil 22 to the inner wall of the ball body. The gasket 24 acts as a protective member to mitigate the shock experienced by the resonant coil. For example, the liner 24 can be one or more air cushions, or one or more plasticized silicone pads. In some embodiments, the wireless rechargeable smart sphere can include one or more pad resonant coils 22. In this way, the pad resonant coil 22 at the receiving end can be evenly distributed on the inner wall of the ball body, so that the entire ball is more evenly weighted. In addition, compared with the resonant coil located at the center of the sphere, since the spacer resonant coil 22 is distributed on the inner wall of the ball body, the power transmission efficiency can be further improved.

As described above, the present invention uses magnetic resonance to perform wireless charging. The magnetic resonance system causes the transmitting end and the receiving end to reach a specific frequency by the resonant element, thereby generating a magnetic field resonance and thus generating a current on the receiving resonant coil. Magnetic resonance technology is a technique well known in the related art, and its principle will not be described herein.

Compared with the conventional smart sphere using magnetic induction technology, this creation uses magnetic resonance technology, so the following advantageous effects can be obtained: when the smart sphere is wirelessly charged, the transmitting coil and the receiving coil do not need to be accurately aligned, that is, achievable Dead-angle charging between the smart sphere and the wireless charging transmission device, for example, the smart sphere can be placed on the wireless charging transmission device for wireless charging at any angle; and the transmission coil and the receiving coil can be allowed to travel at a longer distance Wireless charging, for example, can be as long as 15 cm between the transmitting coil and the receiving coil.

Although the foregoing writings have been described in detail to facilitate a clear understanding, it is obvious that certain changes and modifications may be made within the scope of the appended claims. Therefore, the present embodiments are to be considered as illustrative and not restrictive, and the invention is not limited to the details provided herein, but may be modified within the scope and equivalents of the accompanying claims .

100‧‧‧Smart sphere system  110‧‧‧Wireless rechargeable smart sphere  11‧‧‧ ball body  12‧‧‧ battery device  13‧‧‧Micro Control Unit  20‧‧‧Wireless charging receiver  21‧‧‧Receiving resonant coil  22‧‧‧ Padded resonant coil  23‧‧‧ Carrier Board  24‧‧‧ cushion  26‧‧‧protection  28‧‧‧protection  30‧‧‧Wireless Charging Transmission  31‧‧‧Transmission resonant coil  33‧‧‧Micro Control Unit  

The described embodiments and their advantages will be more fully understood from the following detailed description of the invention. The drawings are not intended to limit the form and details of the embodiments described herein.

1 is a schematic diagram of a smart sphere system in accordance with an embodiment of the present invention.

2 shows a schematic diagram of a resonant coil of a wireless charging receiving device in accordance with an embodiment of the present invention.

3 is a schematic diagram showing a resonant coil of a wireless charging receiving device in accordance with another embodiment of the present invention.

4A is a schematic diagram showing a wireless charging receiving device according to an embodiment, wherein a resonant coil of the wireless charging receiving device is disposed in a central region in a hollow interior of the ball body.

4B shows a schematic diagram of a protective member in accordance with an embodiment.

4C shows a schematic diagram of a protective member in accordance with another embodiment.

FIG. 5 is a schematic diagram showing a wireless charging and receiving device according to an embodiment, wherein a resonant coil of the wireless charging receiving device is disposed on an inner wall of the ball body.

Claims (12)

A wireless rechargeable smart sphere comprising:  a ball body having a hollow interior defined by an inner wall thereof;  a resonant wireless charging receiving device disposed in the hollow interior of the ball body and comprising:  a first resonant coil that receives magnetic energy from the outside of the ball body and is disposed on the inner wall of the ball body;  a battery device electrically connected to the first resonant coil such that the first resonant coil supplies the received electrical energy to the battery device and stores it;  A first micro control device electrically connected to the battery device.   A wireless rechargeable smart sphere comprising:  a ball body having a hollow interior defined by an inner wall thereof;  a resonant wireless charging receiving device disposed in the hollow interior of the ball body and comprising:  a first resonant coil that receives magnetic energy from the outside of the ball body and is disposed in a central region of the hollow interior of the ball body;  a battery device electrically connected to the first resonant coil such that the first resonant coil supplies the received electrical energy to the battery device and stores it;  A first micro control device electrically connected to the battery device.   The wireless rechargeable smart sphere of claim 1, wherein the first resonant coil is disposed on a flexible printed circuit board, and the flexible printed circuit board is attached to the inner wall of the ball body. The wireless rechargeable smart sphere of claim 3, wherein the flexible printed circuit board has a rectangular shape. The wireless rechargeable smart sphere of claim 4, wherein the opposite sides of the flexible printed circuit board are joined to each other to form an annular shape and to be attached to the inner wall of the ball body. The wireless rechargeable smart sphere of claim 5, wherein the flexible printed circuit board comprises one or more pads wrapped around the same, and wherein the one or more surrounding the flexible printed circuit board is passed through A gasket is attached to the inner wall of the ball body, and the flexible printed circuit board is attached to the inner wall of the ball body. The wireless rechargeable smart sphere of claim 6, wherein the wireless rechargeable smart sphere comprises two or more of the flexible printed circuit board. The wireless rechargeable smart sphere of claim 2, wherein the first resonant coil is disposed on a flexible or rigid printed circuit board, and the flexible or rigid printed circuit board is disposed in a central region of the ball body. The wireless rechargeable smart sphere of any one of claims 1 to 8 further includes a protective member located in the hollow interior of the ball body for mitigating impact. The wireless rechargeable smart sphere of claim 9, wherein the protective member comprises at least one of one or more air cushions, one or more plastic mold pads, and one or more shock absorbing springs. A wireless rechargeable smart sphere system comprising a wireless rechargeable smart sphere according to any one of claims 1 to 10, and a resonant wireless charging transmission device outside the sphere body, the resonant wireless charging The transmission device contains:  a second micro control device;  A second resonant coil that supplies electrical energy to the resonant wireless charging receiving device in a magnetic resonance manner.   The wireless rechargeable smart sphere system of claim 11, wherein the second resonant coil is coiled in a columnar form in the resonant wireless charging transmission device.