CN106026238A - Wireless charging system - Google Patents

Abstract

The present invention discloses a wireless charging system, which includes electronic equipment and a wireless charger. The wireless charger includes a casing with a storage space, a transmitting coil stored in the storage space, a transmission coil stored in the storage space and connected to the storage space. The transmitting circuit electrically connected to the transmitting coil and the identity verification device that receives and verifies the identity information to confirm that the identity information has charging authority, the electronic equipment includes a receiving coil that cooperates with the transmitting coil to realize power transmission, and the receiving coil An electrically connected battery and a chip electrically connected to the battery for storing and sending the identity information, the chip is used to send the identity information to the identity verification device, and the identity verification device is used to control the Power transfer between the transmitting coil and the receiving coil. Compared with related technologies, the present invention provides a wireless charging system that enables wireless power transmission after verifying the identity information of a successful electronic device.

Description

wireless charging system

technical field

The present invention relates to the technical field of wireless charging, in particular to a wireless charging system.

Background technique

With the progress of social economy and the rapid development of modern technology, the traditional charging method of charging electronic devices with charging cables can no longer meet the needs of modern people for charging channels. Wireless charging receives electromagnetic waves emitted by wireless chargers through electronic devices, and uses the inductive energy transfer of low-frequency electromagnetic waves to enable electronic devices to obtain electric energy to complete charging. It has become a new technology with broad development prospects. This charging method is simple to use and has low equipment wear rate, which can realize charging of different electronic devices with one wireless charger.

The wireless charger in the related art charges all electronic devices within the receiving range, and the wireless charger is always in the working state of providing wireless charging function, so that the wireless charger in public places is easy to be overloaded for a long time And cause damage to the wireless charger.

Therefore, it is necessary to provide a new wireless charging system to solve the above technical problems.

Contents of the invention

The purpose of the present invention is to overcome the above technical problems and provide a wireless charging system that enables wireless power transmission after verifying the identity information of a successful electronic device.

The present invention provides a wireless charging system, including an electronic device and a wireless charger for wirelessly charging the electronic device, the wireless charger includes a housing with a storage space, a transmitting coil stored in the storage space, The transmitting circuit housed in the storage space and electrically connected to the transmitting coil receives and verifies the identity information to confirm whether the identity information has charging authority, and activates the transmitting coil and the external connection according to the verified identity information The identity verification device with the power supply turned on, the transmitting circuit is electrically connected to the external power supply to obtain electric energy, and transmits the obtained electric energy to the transmitting coil, and the electronic equipment includes a receiving coil, a battery electrically connected to the receiving coil, and a chip electrically connected to the battery for storing and sending the identity information, and the chip is used to send the identity information to the identity verification device, so The identity verification device is used to control the power transmission between the transmitting coil and the receiving coil.

Preferably, the identity verification device includes: an acquisition module, used to acquire the identity information; a storage module, used to store the identity information with charging authority; a matching module, used to obtain all the identity information obtained by the acquisition module The identity information is matched with the identity information with charging authority in the storage module; the sending module is configured to send identity verification success information to the transmitting circuit after the matching module is successfully matched, so as to control the transmitting circuit Conducting the external power supply with the transmitting coil.

Preferably, the identity verification device acquires the identity information by non-contact card reading.

Preferably, the electronic device includes a magnetic piece, the wireless charger includes a magnetic steel for absorbing the magnetic piece, and the electronic equipment is attracted to the magnetic piece by using the magnetic force between the magnetic steel and the magnetic piece. wireless charger described above.

Preferably, the magnetic steel surrounds the transmitting coil and is spaced apart from the transmitting coil.

Preferably, there are multiple magnets, and the multiple magnets are arranged at intervals.

Preferably, the wireless charger further includes a holder for holding the transmitting coil and the magnet, and the holder is accommodated in the receiving space.

Preferably, the holder is integrally formed with the housing.

Compared with related technologies, the wireless charging system provided by the present invention verifies the identity information of the electronic device through the identity verification device, and after the verification is successful, the transmitting coil transmits electric energy to the receiving coil, which prevents the electronic device without charging permission from the wireless charger. Obtain electric energy; the identity verification device obtains the identity information by means of non-contact card reading, so that the electronic device with charging authority can enable the wireless charging function within a certain range; the electronic device passes through the magnetic part And the magnetic force generated by the magnetic steel is adsorbed on the wireless charger during the charging process, so that the wireless charging system can be applied to mobile vehicles such as automobiles, airplanes, ships, etc., greatly increasing the wireless charging system. versatility.

Description of drawings

Fig. 1 is a structural block diagram of the wireless charging system of the present invention;

FIG. 2 is an exploded view of the three-dimensional structure of the wireless charger shown in FIG. 1;

Fig. 3 is a structural block diagram of the identity verification device shown in Fig. 2;

FIG. 4 is an exploded view of the three-dimensional structure of the electronic device shown in FIG. 1;

Fig. 5 is a structural block diagram of the electronic device shown in Fig. 1;

FIG. 6 is a structural block diagram of the chip shown in FIG. 5 .

detailed description

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Please refer to FIG. 1 , which is a structural block diagram of the wireless charging system of the present invention. The wireless charging system 100 includes an electronic device 1 and a wireless charger 3 for wirelessly charging the electronic device 1 .

Please refer to FIG. 2 and FIG. 3 at the same time, wherein FIG. 2 is an exploded view of the three-dimensional structure of the wireless charger shown in FIG. 1 ; FIG. 3 is a structural block diagram of the identity verification device shown in FIG. 2 . The wireless charger 3 includes a housing 31 with a receiving space (not shown), an identity verification device 32 , a transmitting circuit 33 , a transmitting coil 34 , a magnet 35 and a holder 36 accommodated in the receiving space. The identity verification device 32, the transmitting circuit 33 and the transmitting coil 34 are electrically connected in sequence.

The identity verification device 32 is used to receive and verify the identity information to confirm whether the identity information has charging authority, and activate the transmitter coil 34 to communicate with an external power supply (not shown) according to the identity information that has passed the verification. conduction. The identity verification device 32 includes an acquisition module 321 , a storage module 322 , a matching module 323 and a sending module 324 which are electrically connected in sequence. The obtaining module 321 is used to obtain the identity information of the electronic device 1. Specifically, the obtaining module 321 is a signal receiver. The storage module 322 is used for storing identity information with charging authority, specifically, the storage module 322 is a memory card. The matching module 323 is configured to match the identity information obtained by the obtaining module 321 with the identity information having charging authority in the storage module 322 . The sending module 324 is configured to send identity verification success information to the sending circuit 33 after the matching module is successfully matched, specifically, the sending module 324 is a signal transmitter.

The transmitting circuit 33 is electrically connected to the external power source to obtain electric energy, and is used to transmit the obtained electric energy to the transmitting coil 34 after receiving the identity verification success information.

The transmitting coil 34 is used for transmitting electric energy to the electronic device 1 for charging the electronic device 1 .

The magnetic steel 35 surrounds the transmitting coil 34 and is spaced apart from the transmitting coil 34 . In this embodiment, the number of the magnetic steels 35 is multiple, and the multiple magnetic steels 35 are arranged at intervals from each other.

The holder 36 is accommodated in the accommodation space for holding the transmitting coil 34 and the magnet 35 . In this embodiment, the holding member 36 is integrally formed with the housing 31 .

Please refer to FIG. 4 and FIG. 5 at the same time, wherein FIG. 4 is an exploded view of the three-dimensional structure of the electronic device shown in FIG. 1 ; FIG. 5 is a structural block diagram of the electronic device shown in FIG. 1 . The electronic device 1 includes a receiving coil 11 , a receiving circuit 12 , a battery 13 , a chip 14 , a control device 15 and a magnetic piece 16 . The receiving coil 11 , the receiving circuit 12 and the battery 13 are electrically connected in sequence. The chip 14 is electrically connected to the battery 13 .

The receiving coil 11 is used to cooperate with the transmitting coil to realize the transmission of the electric energy and convert the received electric energy into electric current, and the electric current is stored in the battery 13 through the receiving circuit 12 .

Please refer to FIG. 6 , which is a structural block diagram of the chip shown in FIG. 5 . The chip 14 includes an identity information storage module 141 and an identity information sending module 143 electrically connected to each other. The identity information storage module 141 stores the identity information of the electronic device 1 . The chip 14 obtains the electric energy from the battery 13 , and the identity information sending module 143 is configured to send the identity information to the identity verification device 32 . After obtaining the identity information, the identity verification device 32 verifies whether the identity information has charging authority, and if so, the identity verification device 32 controls the transmitting coil 34 to transmit electric energy to the receiving coil 11 .

The control device 15 is connected in series between the chip 14 and the battery 13. When the control device 15 is closed, the chip 14 can obtain the electric energy from the battery 13 and send the identity information to the The above-mentioned identity verification device 32. When the control device 15 is disconnected, the chip 14 cannot obtain the electric energy from the battery 13 , and thus cannot send the identity information to the identity verification device 32 .

The magnetic member 16 is used to generate a mutual magnetic force with the magnetic steel 35 , and the electronic device 1 is attracted to the wireless charger 3 through the magnetic force. During the charging process, the transmission distance of the electric energy is shortened, and the efficiency of wireless charging is improved.

Compared with related technologies, the wireless charging system 100 provided by the present invention verifies the identity information of the electronic device 1 through the identity verification device 32, and after the verification is successful, the transmitting coil 34 transmits electric energy to the receiving coil 11, thereby avoiding the charging of the electronic device without charging authority. The device 1 obtains electric energy from the wireless charger 3; the identity verification device 32 obtains the identity information by using a non-contact card reading method, so that the electronic device 1 with charging authority can enable the wireless charging function within a certain range; The electronic device 1 is attracted to the wireless charger 3 during the charging process by the magnetic force generated by the magnetic member 16 and the magnetic steel 35, so that the wireless charging system 100 can be applied to automobiles, airplanes, ships, etc. On movable vehicles, the versatility of the wireless charging system 100 is greatly increased.

The above is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process conversion made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technologies fields, all of which are equally included in the scope of patent protection of the present invention.

Claims (8)

1. A wireless charging system, comprising an electronic device and a wireless charger for wirelessly charging the electronic device, the wireless charger comprising a casing with a storage space, a transmitting coil stored in the storage space, and a The accommodating space and a transmitting circuit electrically connected to the transmitting coil, the transmitting circuit is electrically connected to an external power source to obtain electric energy, and transmits the obtained electric energy to the transmitting coil, and the electronic device includes a circuit for communicating with the transmitting coil The transmitting coil cooperates with a receiving coil to realize power transmission and a battery electrically connected to the receiving coil, wherein the electronic device also includes a chip electrically connected to the battery for storing and sending identity information, and the wireless The charger also includes an identity verification device electrically connected to the transmitting coil, the identity verification device is used to receive and verify the identity information to confirm whether the identity information has charging authority, and according to the verified identity information Activating the transmitting coil to conduct with the external power supply. 2. The wireless charging system according to claim 1, wherein the identity verification device comprises: An acquisition module, configured to acquire the identity information; a storage module, configured to store the identity information with charging authority; a matching module, configured to match the identity information acquired by the acquisition module with the identity information with charging authority in the storage module; The sending module is configured to send identity verification success information to the transmitting circuit after the matching module is successfully matched, so as to control the transmitting circuit to conduct the external power supply with the transmitting coil. 3 . The wireless charging system according to claim 1 , wherein the identity verification device obtains the identity information by non-contact card reading. 4 . 4. The wireless charging system according to claim 1, wherein the electronic device further comprises a magnetic piece, the wireless charger further comprises a magnetic steel for absorbing the magnetic piece, and the electronic equipment is used The magnetic force between the magnetic steel and the magnetic piece is attracted to the wireless charger. 5 . The wireless charging system according to claim 4 , wherein the magnetic steel surrounds the transmitting coil and is spaced apart from the transmitting coil. 6 . The wireless charging system according to claim 5 , wherein there are multiple magnets, and the plurality of magnets are arranged at intervals from each other. 7. The wireless charging system according to claim 5 or 6, wherein the wireless charger further comprises a holder for holding the transmitting coil and the magnet, and the holder is accommodated in the containment space. 8 . The wireless charging system according to claim 7 , wherein the holder is integrally formed with the casing.