Magnetic attraction device, charging module and application device thereof

Abstract

The invention provides a magnetic attraction device, a charging module and an application device thereof, the magnetic attraction device comprises at least two magnetic attraction units, and the at least two magnetic attraction units comprise a first magnetic attraction unit and a second magnetic attraction unit; the first magnetic attraction unit comprises at least two first magnets, the magnetic field directions of the first magnets are parallel to the first direction or the second direction, and the magnetic field directions of the at least two first magnets are opposite or the same; the second magnetic attraction unit comprises at least two second magnets, the magnetic field directions of the second magnets are parallel to the first direction or the second direction, and the magnetic field directions of the at least two second magnets are opposite or the same. The magnetic field directions of the at least two magnets are parallel and opposite, and the internal magnetic fields form a closed magnetic loop, so that the magnetic field radiated to the periphery or the inner side by the magnetic suction device is weakened, and the interference on energy transmission during wireless charging and the influence on a magnetic sensitive device in the equipment are reduced.

Description

Technical Field

[0001] The present application relates to the field of wireless charging technology, and may relate to a magnetic attraction device, a charging module, a smart terminal, a charging device, an accessory, and a magnetic alignment system. Background Art

[0002] Existing wireless charging technology can use magnetic adsorption to align and fit the smart terminal and the charging device. The charging coils of the smart terminal and the charging device can transmit energy through electromagnetic induction to achieve the function of wireless charging.

[0003] However, the magnetic field of the magnet will affect the normal operation of other magnetic field sensitive devices inside the smart terminal and the charging device, thereby affecting the performance of the smart terminal and the charging device.

[0004] The preceding description is intended to provide general background information and does not necessarily constitute prior art. Summary of the invention

[0005] In response to the above technical problems, the present application provides a magnetic attraction device, a charging module, a smart terminal, a charging device, accessories and a magnetic alignment system, which can reduce the impact of magnets on other magnetic field sensitive devices inside the smart terminal and the charging device, and enhance the adsorption function.

[0006] The present application provides a magnetic attraction device, which includes at least two magnetic attraction units, the magnetic attraction device includes a first magnetic attraction unit and a second magnetic attraction unit, the first magnetic attraction unit and the second magnetic attraction unit are arranged adjacent to each other; wherein,

[0007] The first magnetic attraction unit includes at least two magnets, and the internal magnetic field directions of at least two magnets in the first magnetic attraction unit are parallel to the first direction or the second direction;

[0008] The second magnetic attraction unit includes at least two magnets, and the internal magnetic field directions of at least two magnets in the second magnetic attraction unit are parallel to the first direction or the second direction;

[0009] The first direction is perpendicular to the plane of the magnetic attraction device, and the second direction is the radial direction of the plane where the magnetic attraction device is located;

[0010] The internal magnetic fields of at least two magnets in the first magnetic attraction unit are in opposite directions; and / or

[0011] The internal magnetic fields of at least two magnets in the second magnetic attraction unit are in opposite directions.

[0012] Optionally, at least two magnets in the first magnetic attraction unit are arranged adjacent to each other to form a fan-shaped ring; and / or

[0013] At least two magnets in the second magnetic attraction unit are adjacently arranged to form a sector ring.

[0014] Optionally, at least two magnets in the first magnetic attraction unit are stacked along the second direction; and / or

[0015] At least two magnets in the second magnetic attraction unit are stacked along the second direction.

[0016] Optionally, the magnetic attraction device includes at least one of the following:

[0017] The magnetic field directions of the first magnet and the second magnet are parallel to the second direction, and the magnetic field direction of the first magnet is opposite to the magnetic field direction of the second magnet;

[0018] The magnetic field direction of the first magnet is parallel to the first direction, the two first magnets are stacked along the second direction, and the magnetic field direction of the second magnet is parallel to the second direction;

[0019] The magnetic field direction of the first magnet is parallel to the first direction, the two first magnets are stacked along the second direction, a magnetic isolation member is provided between the two first magnets, and the magnetic field direction of the second magnet is parallel to the second direction;

[0020] The magnetic field direction of the first magnet is parallel to the first direction, the two first magnets are stacked along the second direction, the magnetic field direction of the second magnet is parallel to the second direction, the second magnet includes two magnetic fields in opposite directions, or the two second magnets are stacked along the first direction and the magnetic fields of the two second magnets are in opposite directions;

[0021] The magnetic field direction of the first magnet is parallel to the first direction, the two first magnets are stacked along the second direction, a magnetic isolation member is provided between the two first magnets, the magnetic field direction of the second magnet is parallel to the second direction, the second magnet includes two magnetic fields in opposite directions, or the two second magnets are stacked along the first direction and the magnetic fields of the two second magnets are in opposite directions.

[0022] Optionally, the magnetic attraction device includes at least one of the following:

[0023] The magnetic field direction of the first magnet is parallel to the first direction, the two first magnets are stacked along the second direction, the magnetic field direction of the second magnet is parallel to the first direction, the two second magnets are stacked along the second direction, and a magnetic isolation member is provided between the two first magnets and the two second magnets;

[0024] The magnetic field directions of the first magnet and the second magnet are parallel to the second direction. The first magnet includes two magnetic fields in opposite directions or the two first magnets are stacked along the first direction, and the magnetic field directions of the two first magnets are opposite. The second magnet includes two magnetic fields in opposite directions or the two second magnets are stacked along the first direction, and the magnetic field directions of the two second magnets are opposite.

[0025] Optionally, at least two magnets in the first magnetic attraction unit are stacked along the first direction, and the internal magnetic fields of the at least two magnets in the first magnetic attraction unit are in opposite directions; and / or

[0026] At least two magnets in the second magnetic attraction unit are stacked along the first direction, and the internal magnetic fields of the at least two magnets in the second magnetic attraction unit are in opposite directions.

[0027] Optionally, the at least two magnets in the first magnetic attraction unit include a first magnet and a second magnet, the magnetization mode of the first magnet is the same as the magnetization mode of the second magnet, and the internal magnetic field direction of the first magnet is opposite to the internal magnetic field direction of the second magnet; and / or

[0028] The at least two magnets in the second magnetic attraction unit include a first magnet and a second magnet. The magnetization method of the first magnet is the same as that of the second magnet. The internal magnetic field direction of the first magnet is opposite to that of the second magnet.

[0029] Optionally, the first magnetic attraction unit further includes a magnetic isolation member, which is stacked with the first magnet and the second magnet along the first direction, and the magnetic isolation member is located between the first magnet and the second magnet; and / or

[0030] The second magnetic attraction unit further includes a magnetic isolation member, which is stacked with the first magnet and the second magnet in the second magnetic attraction unit along a first direction, and the magnetic isolation member is located between the first magnet and the second magnet.

[0031] Optionally, the magnetic isolation member is made of a material having high magnetic permeability and / or high magnetic saturation value.

[0032] Optionally, the magnetic attraction device includes at least two first magnetic attraction units and at least two second magnetic attraction units, and the first magnetic attraction units and the second magnetic attraction units are arranged adjacent to each other at intervals to form a circular ring or a fan ring.

[0033] Optionally, the top-view cross-section of the magnet in the first magnetic attraction unit is in the shape of a sector or a polygon;

[0034] The top-view cross-section of the magnet in the second magnetic attraction unit is in the shape of a sector ring or a polygon.

[0035] Optionally, the magnetization mode of at least two magnets in the first magnetic attraction unit is radial magnetization or axial magnetization; and / or

[0036] The magnetization method of at least two magnets in the second magnetic attraction unit is one of radial magnetization and axial magnetization.

[0037] Optionally, the magnetic attraction device includes at least two magnetic attraction units, the top-view cross-section of each magnetic attraction unit is in the shape of a fan ring or a polygon, and at least two magnetic attraction units are arranged adjacent to each other in sequence at adjacent positions of the charging coil to form a ring shape or a fan ring.

[0038] The present application also provides a charging module, including a charging coil and any of the above-mentioned magnetic devices, the charging coil is used to receive or send electrical energy, and the magnetic device is arranged on the inner side or the outer side of the charging coil.

[0039] The present application also provides a smart terminal, comprising a power module and a charging module as described above, wherein a charging coil of the charging module is electrically connected to the power module, and the charging coil of the charging module is used to receive electric energy sent by a charging coil of a charging device;

[0040] The magnetic attraction device is used to limit the contact position between the smart terminal and the charging device so that the charging coils of the smart terminal and the charging device match during charging.

[0041] The present application also provides a charging device, comprising a power module and the charging module as described above, wherein a charging coil of the charging module is electrically connected to the power module, and the charging coil of the charging module is used to send electrical energy to the charging coil of the charging device;

[0042] The magnetic attraction device is used to limit the contact position between the smart terminal and the charging device so that the charging coils of the smart terminal and the charging device match during charging.

[0043] The present application also provides an accessory, including any of the magnetic devices described above, which is arranged between the smart terminal and the charging device to limit the contact position between the smart terminal and the charging device so that the charging coils of the smart terminal and the charging device match during charging.

[0044] The present application also provides a magnetic alignment system, including a smart terminal, a charging device and an accessory, wherein the smart terminal includes any of the magnetic devices described above; the charging device includes any of the magnetic devices described above; the accessory includes any of the magnetic devices described above;

[0045] Among them, the magnetic attraction device in the smart terminal, the magnetic attraction device in the accessory and the magnetic attraction device in the charging device match each other.

[0046] The present application provides a magnetic device, which includes at least two magnetic units, and the at least two magnetic units include a first magnetic unit and a second magnetic unit; the first magnetic unit includes at least two first magnets, the magnetic field direction of the first magnet is parallel to the first direction or the second direction, and the magnetic field directions between the at least two first magnets are opposite or the same; the second magnetic unit includes at least two second magnets, the magnetic field direction of the second magnet is parallel to the first direction or the second direction, and the magnetic field directions between the at least two second magnets are opposite or the same. The magnetic field directions of at least two magnets are parallel to each other and opposite to each other, so that the magnetic field forms a closed magnetic loop, reduces magnetic leakage or overflow, thereby achieving the weakening of the magnetic field radiated to the surrounding or inside of the magnetic device, reducing the interference with energy transmission during wireless charging and reducing the impact on the magnetic sensitive devices inside the device; secondly, the magnetic field strength on one side of the magnetic device is enhanced, which can increase the magnetic adsorption force between the smart terminal and the charging device, and can better define the contact position between the smart terminal and the charging device. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] The drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present application, and are used together with the specification to explain the principles of the present application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor.

[0048] Figure 1 A schematic diagram of the hardware structure of a smart terminal for implementing each embodiment of the present application;

[0049] Figure 2 A communication network system architecture diagram provided for an embodiment of the present application;

[0050] Figure 3 is a schematic top view of a magnetic attraction device structure provided in one embodiment of the present application;

[0051] Figure 4 is a top view of the structure of a magnetic attraction device in a smart terminal and a charging device provided in an embodiment of the present application;

[0052] Figure 5 is an axial cross-sectional view of the structure of a smart terminal and a charging device provided in one embodiment of the present application;

[0053] Figure 6 This is a schematic diagram of the magnetic field when the smart terminal and the charging device are adsorbed;

[0054] Figure 7 It is a schematic diagram of the structure of a magnetic attraction device provided in one embodiment of the present application;

[0055] Figure 8 is a schematic diagram of an axial cross-section of a magnet of a magnetic attraction device provided in one embodiment of the present application;

[0056] FIG9( a ) is a top view of another magnetic attraction device provided in an embodiment of the present application;

[0057] FIG9( b ) is a top view of another magnetic attraction device provided in an embodiment of the present application;

[0058] FIG9( c ) is a top view of another magnetic attraction device provided in an embodiment of the present application;

[0059] FIG9( d ) is a top view of another magnetic attraction device provided in an embodiment of the present application;

[0060] FIG10( a ) is an axial cross-sectional view of the magnetic attraction device in FIG9( a ) during adsorption;

[0061] FIG10( b ) is an axial cross-sectional view of the magnetic attraction device in FIG9( b ) during adsorption;

[0062] FIG10( c ) is an axial cross-sectional view of the magnetic attraction device in FIG9( c ) during adsorption;

[0063] FIG10( d ) is an axial cross-sectional view of the magnetic attraction device in FIG9( d ) during adsorption;

[0064] FIG10( e ) is a top view and an axial cross-sectional view of another magnetic attraction device provided in one embodiment of the present application;

[0065] FIG10( f ) is a top view and an axial cross-sectional view of another magnetic attraction device provided by an embodiment of the present application;

[0066] Fig.11 It is a top view of the magnetic attraction device structure provided by an embodiment of the present application and an axial cross-sectional view after adsorption;

[0067] Fig.12 is an axial cross-sectional view of a smart terminal and a charging device when they are aligned according to an embodiment of the present application;

[0068] FIG. 13( a ) is a schematic top view of a magnetic attraction device provided in one embodiment of the present application;

[0069] FIG13( b ) is a schematic top view of another magnetic attraction device provided in one embodiment of the present application;

[0070] Fig.14 is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0071] Fig.15 is a schematic top view of a magnetic attraction device provided in one embodiment of the present application;

[0072] FIG. 16( a ) is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0073] FIG16( b ) is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0074] Fig.17 is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0075] Fig.18 is an axial cross-sectional view of a magnetic alignment system provided by another embodiment of the present application;

[0076] Fig.19 is an axial cross-sectional view of a magnetic alignment system provided by another embodiment of the present application;

[0077] Fig. 20 is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0078] Fig.21 It is a structural schematic diagram of a magnetic attraction device provided in one embodiment of the present application;

[0079] Fig. 22 It is a structural schematic diagram of a magnetic attraction device provided in one embodiment of the present application;

[0080] Fig.23 is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0081] Fig.24 is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0082] Fig.25 is a schematic top view of a magnetic attraction device provided in one embodiment of the present application;

[0083] Fig.26 is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0084] Fig. 27 It is a structural schematic diagram of a magnetic attraction device provided in one embodiment of the present application;

[0085] Fig.28 is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0086] Fig.29 is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0087] Fig.30 It is a structural schematic diagram of a magnetic attraction device provided in one embodiment of the present application;

[0088] Fig.31 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0089] Fig.32 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0090] Fig.33 A schematic diagram of the structure of a magnetic attraction device provided in one embodiment of the present application;

[0091] Fig.34 For this application Fig.33 An axial cross-sectional view of the magnetic alignment system corresponding to the middle magnetic attraction device;

[0092] Fig.35 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0093] Fig.36 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0094] Fig.37 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0095] Fig.38 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0096] Fig.39 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0097] Fig.40 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0098] Fig.41 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0099] Fig.42 A schematic diagram of the structure of a magnetic attraction device provided in one embodiment of the present application;

[0100] Fig.43 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0101] Fig.44 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0102] Fig.45 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0103] Fig.46 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0104] Fig.47 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0105] Fig.48 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0106] Fig.49 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0107] Fig.50 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0108] Fig.51 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0109] Fig.52 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0110] Fig.53 A schematic diagram of the structure of a magnetic attraction device provided in one embodiment of the present application;

[0111] Fig.54 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0112] Fig.55 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0113] Fig.56 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0114] Fig.57 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application;

[0115] Fig.58 An axial cross-sectional view of a magnetic alignment system provided by one embodiment of the present application.

[0116] The realization of the purpose, functional features and advantages of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings. The above-mentioned drawings have shown clear embodiments of this application, which will be described in more detail later. These drawings and textual descriptions are not intended to limit the scope of the concept of this application in any way, but to illustrate the concept of this application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0117] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0118] It should be noted that, in this article, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "includes a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element. Optionally, components, features, and elements with the same name in different embodiments of the present application may have the same meaning or different meanings, and their specific meanings need to be determined by their explanation in the specific embodiment or further combined with the context in the specific embodiment.

[0119] It should be understood that, although the terms first, second, third, etc. may be used to describe various information in this article, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of this article, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the word "if" as used herein can be interpreted as "at the time of..." or "when..." or "in response to determination". Furthermore, as used in this article, the singular forms "one", "one" and "the" are intended to also include plural forms, unless there is an opposite indication in the context. It should be further understood that the terms "comprising", "including" indicate the existence of features, steps, operations, elements, components, projects, kinds, and / or groups, but do not exclude the existence, occurrence or addition of one or more other features, steps, operations, elements, components, projects, kinds, and / or groups. The terms "or", "and / or", "including at least one of the following" used in this application, etc. can be interpreted as inclusive, or mean any one or any combination. For example, “comprising at least one of the following: A, B, C” means “any of the following: A; B; C; A and B; A and C; B and C; A and B and C”, and for another example, “A, B or C” or “A, B and / or C” means “any of the following: A; B; C; A and B; A and C; B and C; A and B and C”. An exception to this definition will only occur when a combination of elements, functions, steps or operations are inherently mutually exclusive in some manner.

[0120] It should be understood that, although the various steps in the flowchart in the embodiment of the present application are displayed in sequence according to the indication of the arrows, these steps are not necessarily performed in sequence according to the order indicated by the arrows. Unless there is a clear explanation in this article, the execution of these steps does not have a strict order restriction, and it can be performed in other orders. Moreover, at least a portion of the steps in the figure may include a plurality of sub-steps or a plurality of stages, and these sub-steps or stages are not necessarily performed at the same time, but can be performed at different times, and their execution order is not necessarily performed in sequence, but can be performed in turn or alternately with other steps or at least a portion of the sub-steps or stages of other steps.

[0121] As used herein, the words "if" and "if" may be interpreted as "at the time of" or "when" or "in response to determining" or "in response to detecting", depending on the context. Similarly, the phrases "if it is determined" or "if (stated condition or event) is detected" may be interpreted as "when it is determined" or "in response to determining" or "when detecting (stated condition or event)" or "in response to detecting (stated condition or event)", depending on the context.

[0122] It should be understood that the embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0123] In the subsequent description, the suffixes such as "module", "component" or "unit" used to represent elements are only used to facilitate the description of the present application, and have no specific meanings. Therefore, "module", "component" or "unit" can be used in a mixed manner.

[0124] The wireless charging transmitting device or wireless charging receiving device involved in this application can be a smart terminal or other charging equipment. Optionally, the smart terminal can be implemented in various forms. For example, the smart terminal described in this application can include mobile terminals such as mobile phones, tablet computers, laptops, handheld computers, PDAs (Personal Digital Assistants), PMPs (Portable Media Players), navigation devices, wearable devices, smart bracelets, pedometers, etc., as well as fixed terminals such as digital TVs and desktop computers.

[0125] The subsequent description will be illustrated by taking a smart terminal as an example, and those skilled in the art will understand that, in addition to components specifically used for mobile purposes, the construction according to the embodiments of the present application can also be applied to fixed-type terminals.

[0126] See also Figure 1 , which is a schematic diagram of the hardware structure of a smart terminal for implementing various embodiments of the present application, the smart terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, A / V (audio / video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111 and other components. Those skilled in the art can understand that Figure 1 The structure of the smart terminal shown in the figure does not constitute a limitation on the smart terminal. The smart terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange the components differently.

[0127] Combine the following Figure 1 A brief introduction to the various components of the smart terminal:

[0128] The radio frequency unit 101 can be used for receiving and sending information or receiving signals during a call. It can receive downlink information from the base station and send it to the processor 110 for processing; in addition, it can send uplink data to the base station. Generally, the radio frequency unit 101 includes but is not limited to an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc. In addition, the radio frequency unit 101 can also communicate with the network and other devices through wireless communication. The above-mentioned wireless communications can use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication), GPRS (General Packet Radio Service), CDMA2000 (Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution), TDD-LTE (Time Division Duplexing-Long Term Evolution), 5G and 6G, etc.

[0129] WiFi is a short-range wireless transmission technology. The smart terminal can help users send and receive emails, browse web pages, and access streaming media through the WiFi module 102. It provides users with wireless broadband Internet access. Figure 1 The WiFi module 102 is shown, but it is understandable that it is not a necessary component of the smart terminal and can be omitted as needed without changing the essence of the invention.

[0130] The audio output unit 103 can convert the audio data received by the RF unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output it as sound when the smart terminal 100 is in a call signal receiving mode, a call mode, a recording mode, a voice recognition mode, a broadcast receiving mode, etc. Moreover, the audio output unit 103 can also provide audio output related to a specific function performed by the smart terminal 100 (for example, a call signal receiving sound, a message receiving sound, etc.). The audio output unit 103 may include a speaker, a buzzer, etc.

[0131] The A / V input unit 104 is used to receive audio or video signals. The A / V input unit 104 may include a GPU (Graphics Processing Unit) 1041 and a microphone 1042, and the graphics processor 1041 processes the image data of a static picture or video obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. The processed image frame can be displayed on the display unit 106. The image frame processed by the graphics processor 1041 can be stored in the memory 109 (or other storage medium) or sent via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 can receive sound (audio data) via the microphone 1042 in a telephone call mode, a recording mode, a voice recognition mode, and other operating modes, and can process such sound into audio data. The processed audio (voice) data can be converted into a format output that can be sent to a mobile communication base station via the radio frequency unit 101 in the case of a telephone call mode. The microphone 1042 can implement various types of noise elimination (or suppression) algorithms to eliminate (or suppress) noise or interference generated in the process of receiving and sending audio signals.

[0132] The smart terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Optionally, the light sensor includes an ambient light sensor and a proximity sensor. Optionally, the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of the ambient light, and the proximity sensor can turn off the display panel 1061 and / or the backlight when the smart terminal 100 is moved to the ear. As a type of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in all directions (generally three axes), and can detect the magnitude and direction of gravity when stationary. It can be used for applications that identify the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for other sensors that can also be configured on the mobile phone, such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., they will not be repeated here.

[0133] The display unit 106 is used to display information input by the user or information provided to the user. The display unit 106 may include a display panel 1061, which may be configured in the form of LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), etc.

[0134] The user input unit 107 can be used to receive input digital or character information, and to generate key signal input related to the user settings and function control of the intelligent terminal. Optionally, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also known as a touch screen, can collect the user's touch operation on or near it (such as the user's operation on the touch panel 1071 or near the touch panel 1071 using any suitable object or accessory such as a finger, stylus, etc.), and drive the corresponding connection device according to a pre-set program. The touch panel 1071 may include two parts: a touch detection device and a touch controller. Optionally, the touch detection device detects the user's touch orientation, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, and / or converts it into contact coordinates, and then sends it to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves. In addition to the touch panel 1071, the user input unit 107 may also include other input devices 1072. Optionally, the other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, a function key (such as a volume control key, a switch key, etc.), a trackball, a mouse, a joystick, etc., which are not limited here.

[0135] Optionally, the touch panel 1071 may cover the display panel 1061. When the touch panel 1071 detects a touch operation on or near it, it transmits the information to the processor 110 to determine the type of touch event. Then, the processor 110 provides corresponding visual output on the display panel 1061 according to the type of touch event. Figure 1 In the figure, the touch panel 1071 and the display panel 1061 are used as two independent components to realize the input and output functions of the smart terminal. However, in some embodiments, the touch panel 1071 and the display panel 1061 can be integrated to realize the input and output functions of the smart terminal, which is not limited here.

[0136] The interface unit 108 is used as an interface through which at least one external device can be connected to the smart terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charging device) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, an audio input / output (I / O) port, a video I / O port, a headphone port, etc. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the smart terminal 100 or may be used to transmit data between the smart terminal 100 and an external device.

[0137] The memory 109 can be used to store software programs and various data. The memory 109 can mainly include a program storage area and a data storage area. Optionally, the program storage area can store an operating system, an application required for at least one function (such as a sound playback function, an image playback function, etc.), etc.; the data storage area can store data created according to the use of the mobile phone (such as audio data, a phone book, etc.), etc. In addition, the memory 109 can include a high-speed random access memory, and can also include a non-volatile memory, such as at least one disk storage device, a flash memory device, or other volatile solid-state storage devices.

[0138] The processor 110 is the control center of the smart terminal. It uses various interfaces and lines to connect various parts of the entire smart terminal. It executes various functions of the smart terminal and processes data by running or executing software programs and / or modules stored in the memory 109, and calling data stored in the memory 109, so as to monitor the smart terminal as a whole. The processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor and a modem processor. Optionally, the application processor mainly processes the operating system, user interface, and application programs, and the modem processor mainly processes wireless communications. It is understandable that the above-mentioned modem processor may not be integrated into the processor 110.

[0139] The intelligent terminal 100 may also include a power supply 111 (such as a battery) for supplying power to various components. Preferably, the power supply 111 may be logically connected to the processor 110 through a power management system, thereby managing functions such as charging, discharging, and power consumption through the power management system.

[0140] although Figure 1 Not shown, the smart terminal 100 may also include a Bluetooth module, etc., which will not be described in detail here.

[0141] To facilitate understanding of the embodiments of the present application, the communication network system on which the smart terminal of the present application is based is described below.

[0142] See also Figure 2 , Figure 2 A communication network system architecture diagram is provided for an embodiment of the present application, wherein the communication network system is an LTE system of universal mobile communication technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203 and an operator's IP service 204, which are connected in sequence for communication.

[0143] Optionally, UE201 may be the above-mentioned terminal 100, which will not be described in detail here.

[0144] E-UTRAN 202 includes eNodeB 2021 and other eNodeBs 2022 , etc. Optionally, eNodeB 2021 may be connected to other eNodeBs 2022 via a backhaul (eg, an X2 interface), and eNodeB 2021 is connected to EPC 203 , and eNodeB 2021 may provide UE 201 with access to EPC 203 .

[0145] EPC203 may include MME (Mobility Management Entity) 2031, HSS (Home Subscriber Server) 2032, other MMEs 2033, SGW (Serving Gate Way) 2034, PGW (PDN Gate Way) 2035 and PCRF (Policy and Charging Rules Function) 2036, etc. Optionally, MME 2031 is a control node that processes signaling between UE 201 and EPC 203, and provides bearer and connection management. HSS 2032 is used to provide some registers to manage functions such as home location register (not shown in the figure), and store some user-specific information such as service features and data rates. All user data can be sent through SGW2034, PGW2035 can provide IP address allocation and other functions for UE 201, PCRF2036 is the policy and charging control policy decision point for service data flow and IP bearer resources, which selects and provides available policy and charging control decisions for the policy and charging execution function unit (not shown in the figure).

[0146] The IP service 204 may include the Internet, an intranet, an IMS (IP Multimedia Subsystem) or other IP services.

[0147] Although the above introduction takes the LTE system as an example, those skilled in the art should know that the present application is not only applicable to the LTE system, but also to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, 5G and future new network systems (such as 6G), etc., without limitation here.

[0148] Based on the above-mentioned smart terminal hardware structure and communication network system, various embodiments of the present application are proposed.

[0149] Let me first briefly introduce the technical issues. For smart terminals with wireless charging functions, magnets are often configured to make the smart terminal and the charging device attract each other, and wireless charging is achieved through electromagnetic induction between the charging coils of the smart terminal and the charging device. However, the magnetic field of the magnet will affect the normal operation of other magnetic field sensitive devices inside the smart terminal and the charging device, thereby affecting the performance of the smart terminal and the charging device.

[0150] First embodiment

[0151] In order to solve the problems existing in the prior art of wireless charging, the present application provides a charging module, an accessory device, and a smart terminal and a charging device using the charging module.

[0152] The charging module includes a magnetic device and a charging coil. The smart terminal, the charging device and the accessory device may include a complementary magnetic device, which is conducive to the alignment and / or attachment of the accessory device with the smart terminal and the charging device. The magnetic device includes at least two magnetic units, and the top view cross-section of each magnetic unit is in the shape of a sector or a polygon. At least two magnetic units are arranged adjacent to each other in sequence and placed in adjacent positions on the outside or inside of the charging coil to form a sector or a ring with a gap. In an embodiment of the present application, the charging coil may include a variety of shapes such as a circular ring and an irregular ring. The interval between each magnetic unit and the charging coil may be the same or different, which is not limited here. Two adjacent magnetic units may contact each other, or there may be a magnetic isolation member, wherein the magnetic isolation member may be a gap, a filling material or a non-magnetic area. If the magnetic device is placed in an adjacent position on the outside of the charging coil to form a ring with a gap, the charging coil can be connected to other circuits of the charging device through the gap of the magnetic device, which is conducive to the miniaturization of the charging device. The ring may have one or at least two gaps, which is not limited here.

[0153] The present application provides a magnetic attraction device, which includes at least two magnetic attraction units, and the magnetic attraction device includes a first magnetic attraction unit and a second magnetic attraction unit, and the first magnetic attraction unit and the second magnetic attraction unit are arranged adjacent to each other; optionally, the first magnetic attraction unit includes at least two magnets, and the internal magnetic field directions of at least two magnets in the first magnetic attraction unit are parallel to the first direction or the second direction; the second magnetic attraction unit includes at least two magnets, and the internal magnetic field directions of at least two magnets in the second magnetic attraction unit are parallel to the first direction or the second direction; the first direction is perpendicular to the plane of the magnetic attraction device, and the second direction is the radial direction of the plane where the magnetic attraction device is located; the internal magnetic fields of at least two magnets in the first magnetic attraction unit are opposite or the same; optionally, the internal magnetic fields of at least two magnets in the second magnetic attraction unit are opposite or the same.

[0154] In the present application, the magnetic field directions of at least two magnets in the first magnetic attraction unit or the second magnetic attraction unit are parallel to each other and in opposite directions, so that the magnetic field forms a closed magnetic loop, reducing magnetic leakage or overflow, thereby achieving the weakening of the magnetic field radiated to the surrounding or inward by the magnetic attraction device, reducing interference with energy transmission during wireless charging and reducing the impact on magnetically sensitive components inside the device; the magnetic field strength on one side of the magnetic attraction device is enhanced, which can increase the magnetic adsorption force between the smart terminal and the charging device, and can better limit the contact position of the smart terminal and the charging device.

[0155] Optionally, at least two magnets in the first magnetic unit are arranged adjacent to form a fan ring; optionally, at least two magnets in the second magnetic unit are arranged adjacent to form a fan ring. Optionally, at least two magnets in the first magnetic unit or the second magnetic unit are arranged adjacent to form other shapes, and the fan ring in the present application is only one example.

[0156] Optionally, at least two magnets in the first magnetic attraction unit are stacked along the second direction; optionally, at least two magnets in the second magnetic attraction unit are stacked along the second direction.

[0157] Optionally, at least two magnets in the first magnetic unit are stacked along the first direction, and the internal magnetic fields of at least two magnets in the first magnetic unit are in opposite directions; optionally, at least two magnets in the second magnetic unit are stacked along the first direction, and the internal magnetic fields of at least two magnets in the second magnetic unit are in opposite directions.

[0158] like Figure 3 As shown, Figure 3 The top view of the magnetic device structure provided in one embodiment of the present application is shown in FIG. The magnetic device 300 includes at least two magnetic units, the magnetic device includes a first magnetic unit 311 and a second magnetic unit 312, the first magnetic unit includes at least two first magnets 301, the second magnetic unit includes at least two second magnets 302, and the first magnetic unit and the second magnetic unit are arranged adjacent to each other to form a sector or a ring or annular shape with a gap.

[0159] Optionally, the magnetization method of the magnets in the magnetic unit is radiation magnetization, radial magnetization and axial magnetization. The top-view cross-section of the magnetic device or the magnetic unit in the magnetic device may include a circular, annular, polygonal or other irregular shape. The magnetization method of at least two magnets in the first magnetic unit is one of axial magnetization and radial magnetization, and the magnetization method of at least two magnets in the second magnetic unit is one of axial magnetization and radial magnetization. Or the magnetization method of at least two magnets in the first magnetic unit is one of radiation magnetization and radial magnetization, and the magnetization method of at least two magnets in the second magnetic unit is one of radiation magnetization and radial magnetization.

[0160] Optionally, the smart terminal provided in the embodiment of the present application includes a power module and a charging module, the power module is used to supply power to the smart terminal, and the charging module includes a charging coil and a magnetic device as described above. The charging coil of the charging module is electrically connected to the power module, and the charging coil of the charging module is used to receive the electric energy sent by the charging coil of the charging device, and the charging module is arranged on the lower side of the inside of the smart terminal. The magnetic device is used to limit the contact position between the smart terminal and the charging device, so that the charging coil of the smart terminal and the charging coil of the charging device can be quickly and accurately positioned, thereby matching adsorption.

[0161] Optionally, the charging device provided in the embodiment of the present application includes a power module and a charging module, the charging module includes a charging coil and a magnetic attraction device as described above, and the power module is used to supply power to the charging coil of the charging module. The charging coil of the charging module is electrically connected to the power module, and the charging coil of the charging module is used to send electrical energy to the charging coil of the smart terminal, and the charging module is arranged inside the charging device. The magnetic attraction device is used to limit the contact position between the smart terminal and the charging device, so that the charging coil of the smart terminal and the charging coil of the charging device can be quickly and accurately positioned, thereby matching adsorption.

[0162] Optionally, the magnetic device 300 in the present application is exemplary, and its variations and modifications are possible. Optionally, the magnetic device 300 is composed of 12 bow-shaped magnets, but other embodiments may use different numbers of magnets, such as 8 magnets, 16 magnets or any other number of magnets, and the number of magnets in the smart terminal does not need to be equal to the number of magnets in the charging device; but other embodiments may use magnets of different shapes, such as rectangles.

[0163] Alternatively, see Figure 3 , the magnetization methods of the first magnet 301 and the second magnet 302 are radial magnetization or radiation magnetization, wherein the outer side of the first magnet 311 is the N pole and the inner side is the S pole. As shown by the arrow in the figure, the direction of the magnetic flux lines inside the first magnet 301 is from the S pole to the N pole, the arrow points from the center of the magnetic unit to the outside of the magnetic unit, and the direction of the magnetic flux lines outside the magnet is from the N pole to the S pole. The outer side of the second magnet 302 is the S pole and the inner side is the N pole. As shown by the arrow in the figure, the direction of the magnetic flux lines inside the second magnet 302 is from the S pole to the N pole, the arrow points from the outside of the magnetic unit to the center of the magnetic unit, and the direction of the magnetic flux lines outside the magnet is from the N pole to the S pole. The first magnetic unit and the second magnetic unit are arranged adjacent to each other, and the first magnetic unit includes at least two first magnets 301, and the second magnetic unit includes at least two second magnets 302.

[0164] like Figure 4 As shown, Figure 4 It is a top view of the structure of the magnetic attraction device in the smart terminal and the charging device provided in one embodiment of the present application. Figure 4 Figure a) is a top view of the magnetic device in the smart terminal. Figure 4 Figure b) is a top view of the magnetic device in the charging device. There is a gap between the magnets in the magnetic device, and the gaps between the magnetic units in the two sets of magnetic devices are the same, which is conducive to the mutual cooperation between the two sets of magnetic units in the magnetic device. The magnetic devices in the smart terminal and the charging device are Figure 3 In the embodiment, when the smart terminal and the charging device are adsorbed, the magnetic device 300 in the smart terminal includes at least two magnetic units 301, and the magnetic device 300 in the charging device includes at least two magnetic units 302. The internal magnetic device structure is as follows: Figure 5 As shown, Figure 5 An axial cross-sectional view of the structure of a smart terminal and a charging device provided in an embodiment of the present application, wherein Figure 5 a) shows a possible situation of a magnetic attraction unit when the smart terminal and the charging device are adsorbed; Figure 5 Figure b) shows another possible situation of the magnetic unit when the smart terminal and the charging device are adsorbed.

[0165] This application is Figure 5 Take the axial cross-sectional view of the magnetic unit when the smart terminal and the charging device are adsorbed as an example to analyze its magnetic field. Figure 6 As shown, Figure 6 Schematic diagram of the magnetic field when the smart terminal and the charging device are adsorbed, 301a is the magnetic unit in the smart terminal, 302a is the magnetic unit in the charging device, and magnetic fields 601 and 602 can be generated between 301a and 302a. The magnetic field exerts an attractive force between 301a and 302a, which is conducive to the alignment and adsorption between the smart terminal and the charging device. However, the magnetic fields 601 and 602 can propagate to the areas laterally adjacent to the magnetic units 301a and 302a. In some embodiments, the lateral propagation of the magnetic field may cause the magnetic field to leak to other magnetically sensitive components. The charging coil includes at least one of an amorphous nanocrystal, a ferrite shielding sheet, and a magnetic conductive sheet. If the charging coil is placed in the internal area of ​​the magnetic device, the lateral leakage of the magnetic field may saturate the amorphous nanocrystal, the ferrite shielding sheet, or the magnetic conductive sheet, which may reduce the wireless charging performance.

[0166] The present application provides a magnetic device, which can be used as an accessory. The accessory is set between the smart terminal and the charging device, and is used in conjunction with the smart terminal and the charging device. The accessory can be set in the accessories of the smart terminal, such as a protective case or other accessories, or set on the surface of the charging device, and used in conjunction with the smart terminal, or used alone. The magnetic field strength around or inside the magnetic device provided in the embodiment of the present application is weakened, which can reduce the influence of magnetic attraction on other magnetic sensitive devices, and can omit or reduce soft magnetic materials, which is conducive to the miniaturization of smart terminals or charging devices; secondly, the magnetic device in the accessory can enhance the magnetic field strength on one side, increase the magnetic adsorption force between the smart terminal and the charging device, and can better define the contact position of the smart terminal and the charging device, which is convenient for the matching adsorption of the coils of the smart terminal and the charging device, and is conducive to the user experience of the smart terminal and the charging device during wireless charging.

[0167] like Figure 7 As shown, Figure 7 A schematic diagram of the structure of a magnetic attraction device provided for an embodiment of the present application. The magnetic attraction device includes at least two magnetic attraction units 303, and the magnetization direction of the magnetic attraction unit 303 is radial magnetization. The magnetic attraction device includes a first magnetic attraction unit and a second magnetic attraction unit, the first magnetic attraction unit includes at least two first magnets 711, the second magnetic attraction unit includes at least two second magnets 712, and the first magnetic attraction unit and the second magnetic attraction unit are arranged adjacent to each other to form a fan-shaped or ring-shaped or circular ring with a notch. The upper and lower parts of the first magnet 711 have different magnetic orientations, the outer side of the upper part of the first magnet is an N pole and the inner side is an S pole, and the outer side of the lower part of the first magnet 711 is an S pole and the right side is an N pole. The upper and lower parts of the second magnet 712 have different magnetic orientations, the outer side of the upper part of the second magnet 712 is an S pole and the right side is an N pole, and the outer side of the lower part of the second magnet 712 is an N pole and the inner side is an S pole. Alternatively, the first magnet 711 is composed of two magnet parts, the upper magnet has an N pole on the outside and an S pole on the inside; the lower magnet has an S pole on the outside and an N pole on the right. The second magnet 712 is also composed of two magnet parts, the upper magnet has an S pole on the outside and an N pole on the right, and the lower magnet has an N pole on the outside and an S pole on the inside. It should be understood that the magnetic attraction device 300 in the present application is exemplary, and its variants and modifications are possible.

[0168] When the smart terminal is matched with the charging device through accessories, the structure of the magnetic device inside it is as follows: Figure 8 As shown, Figure 8This is a schematic diagram of an axial cross-section of a magnet of a magnetic device provided in an embodiment of the present application, wherein magnet 301 is a magnetic unit in a smart terminal, magnet 302 is a magnetic unit in a charging device, and magnet 711 is a magnetic unit in an accessory, wherein magnets 301, 302, and 711 are all magnetized in a radial manner, wherein magnet 711 has two magnetic fields with mutually parallel and opposite magnetic fields or magnet 711 has two magnetic fields with mutually parallel and opposite magnetic fields, so that the magnetic fields of the two magnets form a closed magnetic loop, reducing magnetic leakage or spillover, thereby achieving the weakening of the magnetic field radiated by the magnetic device to the surroundings, reducing interference with energy transmission during wireless charging and reducing the impact on magnetically sensitive devices inside the device; and reducing the impact of magnetic attraction on other magnetically sensitive devices. The magnetic units in the smart terminal, accessories, and charging devices form a closed-loop magnetic configuration that reduces magnetic leakage.

[0169] FIG9(a) is a top view of another magnetic attraction device provided in an embodiment of the present application, and FIG10(a) is an axial cross-sectional view of the magnetic attraction device in FIG9(a) during adsorption. As shown in FIG9(a), the magnetic attraction device includes at least two first magnetic attraction units 311 and at least two second magnetic attraction units 312, wherein the first magnetic attraction unit 311 includes at least two first magnets, and the second magnetic attraction unit 312 includes at least two second magnets. The first magnetic attraction unit and the second magnetic attraction unit are arranged adjacent to each other to form a fan-shaped or notched ring or annular shape. The present application takes the annular shape as an example. The second magnet includes a first component 901a, a second component 902a and a magnetic isolation member 903, wherein the magnetization method of the first component 901a and the second component 902a is axial magnetization. As shown in the figure, the first component 901a and the second component 902a are magnets whose internal magnetic field directions are parallel to each other but in opposite directions.

[0170] Optionally, the magnetic isolation member 903 may include one or more of a magnet, an isolation material or a gap. Optionally, the magnetic isolation member 903 may include a magnet. Optionally, the first component 901a, the second component 902a and the magnetic isolation member 903 in the second magnet are one magnet, wherein the magnetic isolation member 903 is a non-magnetic area, that is, the magnetic isolation member 903 is not magnetized. Optionally, the magnetic isolation member 903 may include an isolation material that is not magnetic, which is filled between the first component 901a and the second component 902a, and the volume of the first component 901a and the second component 902a can be reduced, thereby reducing the cost of the magnetic material. In other embodiments, the magnetic isolation member 903 may include a gap of a certain volume, thereby reducing the weight.

[0171] Optionally, FIG. 10(a) is an axial cross-sectional view of the magnetic device during adsorption, that is, an axial cross-sectional view of the charging device, the charging device, and the accessory during adsorption, 301a and 302a are axial cross-sectional views of the charging device and the magnetic unit in the charging device, the accessory adopts a magnetic device as shown in FIG. 9(a), the first component 901a, the second component 902a, and the magnetic isolation member 903 are the magnetic unit in the accessory, and since the internal magnetic fields of the first component 901a and the second component 902a are parallel to each other and in opposite directions, the magnetic fields of the first component 901a and the second component 902a form a closed magnetic circuit, and the magnetic field goes to the low magnetic resistance circuit to reduce magnetic leakage or overflow, thereby achieving the weakening of the magnetic field radiated by the magnetic device to the surroundings, which can reduce the influence of magnetic attraction on other magnetic sensitive devices and reduce the interference with energy transmission during wireless charging. The magnetic unit in the smart terminal, the accessory, and the charging device forms a closed-loop magnetic configuration that reduces magnetic leakage.

[0172] Optionally, FIG. 9(b) is a top view of another magnetic device provided in an embodiment of the present application, and FIG. 10(b) is an axial cross-sectional view of the magnetic device in FIG. 9(b) during adsorption. As shown in FIG. 9(b), the magnetic device includes at least two first magnetic units 311 and at least two second magnetic units 312, wherein the first magnetic unit 311 includes at least two first magnets, and the second magnetic unit 312 includes at least two second magnets. The first magnetic unit and the second magnetic unit are arranged adjacent to each other to form a fan-shaped or notched ring or circular ring or other feasible shape. The present application takes the circular ring as an example. The second magnet includes a first component 901b and a second component 902b, wherein the magnetization method of the first component 901b and the second component 902b is axial magnetization, and the first component 901b and the second component 902b are arranged in close proximity. As shown in the figure, the internal magnetic fields of the first component 901b and the second component 902b are parallel to each other but in opposite directions.

[0173] Optionally, FIG. 10(b) is an axial cross-sectional view of the magnetic device in FIG. 9(b) during adsorption, 301b and 302b are axial cross-sectional views of the charging device and the magnetic unit in the charging device, and the first component 901b and the second component 902b are magnetic units in the accessories. Since the internal magnetic fields of the first component 901b and the second component 902b are parallel to each other and in opposite directions, the magnetic fields of the first component 901b and the second component 902b form a closed magnetic loop, reducing magnetic leakage or spillover, thereby achieving the weakening of the magnetic field radiated by the magnetic device to the surroundings, which can reduce the influence of magnetic attraction on other magnetically sensitive devices and reduce the interference with energy transmission during wireless charging. The magnetic units in the smart terminal, accessories and charging devices form a closed-loop magnetic configuration that reduces magnetic leakage.

[0174] Optionally, FIG. 9(c) is a top view of another magnetic attraction device provided in an embodiment of the present application, and FIG. 10(c) is an axial cross-sectional view of the magnetic attraction device in FIG. 9(c) during adsorption. As shown in FIG. 9(c), the magnetic attraction device includes at least two first magnetic attraction units 910 and at least two second magnetic attraction units 920, wherein the first magnetic attraction unit 910 includes at least two first magnets, and the second magnetic attraction unit 920 includes at least two second magnets. The first magnetic attraction unit and the second magnetic attraction unit are arranged adjacent to each other to form a fan-shaped or notched ring or circular ring or other feasible shape. The first magnetic attraction unit and the second magnetic attraction unit have a certain interval. The present application takes the circular ring as an example. The magnetization method of the first magnet is axial magnetization, and the first magnet includes a first component 901c and a second component 902c. The internal magnetic fields of the first component 901a and the second component 902a are parallel to each other but in opposite directions. The magnetization method of the second magnet 920 is radial magnetization or radiation magnetization, and the second magnet 920 has two internal magnetic fields that are parallel to each other and in opposite directions.

[0175] Optionally, FIG. 10(c) is an axial cross-sectional view of the magnetic device in FIG. 9(c) when it is adsorbed, including two situations when the magnetic device is adsorbed with the smart terminal and the charging device, and its axial cross-sectional view is shown in the figure. (1) FIG. is an axial cross-sectional view of the second magnet in the magnetic device aligned with the charging device and the charging device. 301a and 302a are axial cross-sectional views of the charging device and the magnetic unit in the charging device. Since the second magnet 920 has two internal magnetic fields that are parallel to each other and in opposite directions, the internal magnetic field of the second magnet forms a closed static magnetic field loop, reducing magnetic leakage or magnetic overflow, thereby achieving the weakening of the magnetic field radiated to the surroundings by the magnetic device, which can reduce the influence of magnetic attraction on other magnetically sensitive devices and reduce the interference with energy transmission during wireless charging. The magnetic unit in the smart terminal, accessories and charging device forms a closed-loop magnetic configuration that reduces magnetic leakage. (2) FIG. is an axial cross-sectional view of the first magnet in the magnetic device aligned with the charging device and the charging device. 301b and 302b are axial cross-sectional views of the charging device and the magnetic unit in the charging device. The first component 901c and the second component 902c are magnetic units in the accessories. Since the internal magnetic fields of the first component 901c and the second component 902c are parallel to each other and in opposite directions, the magnetic fields of the first component 901c and the second component 902c form a closed magnetic loop, reducing magnetic leakage or spillover, thereby achieving the weakening of the magnetic field radiated by the magnetic device to the surroundings, which can reduce the influence of magnetic attraction on other magnetically sensitive devices and reduce the interference with energy transmission during wireless charging. The magnetic units in the smart terminal, accessories and charging devices form a closed-loop magnetic configuration that reduces magnetic leakage.

[0176] Optionally, FIG. 9(d) is a top view of another magnetic attraction device provided in an embodiment of the present application, and FIG. 10(d) is an axial cross-sectional view of the magnetic attraction device in FIG. 9(d) during adsorption. As shown in FIG. 9(d), the magnetic attraction device includes at least two first magnetic attraction units 910 and at least two second magnetic attraction units 920, wherein the first magnetic attraction unit 910 includes at least two first magnets, and the second magnetic attraction unit 920 includes at least two second magnets. The first magnetic attraction unit and the second magnetic attraction unit are arranged adjacent to each other to form a fan-shaped or notched ring or circular ring or other feasible shape. The first magnetic attraction unit and the second magnetic attraction unit have a certain interval. The present application takes the circular ring as an example. The magnetization method of the first magnet is axial magnetization. The first magnet includes a first component 901d, a second component 902d and a magnetic isolation member 903. The internal magnetic fields of the first component 901a and the second component 902a are parallel to each other but in opposite directions. The magnetization method of the second magnet 920 is radial magnetization. The second magnet 920 has two internal magnetic fields that are parallel to each other and in opposite directions.

[0177] Optionally, the magnetic isolation member 903 may include one or more of a magnet, an isolation material or a gap. In one embodiment, the magnetic isolation member 903 may include a magnet. Optionally, the first component 901a, the second component 902a and the magnetic isolation member 903 in the second magnet are one magnet. Optionally, the magnetic isolation member 903 is a non-magnetic area, that is, the magnetic isolation member 903 is not magnetized. Optionally, the magnetic isolation member 903 may include an isolation material that is not magnetic, which is filled between the first component 901a and the second component 902a, and the volume of the first component 901a and the second component 902a can be reduced, thereby reducing the cost of the magnetic material. In other embodiments, the magnetic isolation member 903 may include a certain volume of gaps to reduce weight.

[0178] Optionally, as shown in FIG10( d ), there are two situations when the magnetic device is adsorbed to the smart terminal and the charging device, and the axial cross-sectional view thereof is shown in FIG10( d ). (1) The figure is an axial cross-sectional view of the second magnet in the magnetic device aligned with the charging device and the charging device, 301a and 302a are axial cross-sectional views of the charging device and the magnetic unit in the charging device. Since the second magnet 920 has two internal magnetic fields that are parallel to each other and in opposite directions, the internal magnetic field of the second magnet forms a closed magnetic circuit, reducing magnetic leakage or spillover, thereby achieving the weakening of the magnetic field radiated to the surroundings by the magnetic device, which can reduce the influence of magnetic attraction on other magnetically sensitive devices. The magnetic unit in the smart terminal, accessories and charging device forms a closed-loop magnetic configuration that reduces magnetic leakage. (2) The figure is an axial cross-sectional view of the first magnet in the magnetic device aligned with the charging device and the charging device. 301b and 302b are axial cross-sectional views of the charging device and the magnetic unit in the charging device. The first component 901d and the second component 902d are magnetic units in the accessories. Since the internal magnetic fields of the first component 901d and the second component 902d are parallel to each other and in opposite directions, the magnetic fields of the first component 901d and the second component 902d form a closed magnetic loop, reducing magnetic leakage or spillover, thereby achieving the weakening of the magnetic field radiated by the magnetic device to the surroundings, which can reduce the influence of magnetic attraction on other magnetically sensitive devices and reduce interference with energy transmission during wireless charging. The magnetic units in the smart terminal, accessories and charging devices form a closed-loop magnetic configuration that reduces magnetic leakage.

[0179] Optionally, FIG. 10(e) is a top view and an axial cross-sectional view of another magnetic device provided in an embodiment of the present application, and FIG. 10(f) is a top view and an axial cross-sectional view of another magnetic device provided in an embodiment of the present application. The logic is the same as that of the embodiments in FIG. 10(c) and FIG. 10(d), and will not be repeated here. The magnetic device provided in this embodiment can also enable the magnetic unit in the smart terminal, accessories and charging equipment to form a closed-loop magnetic configuration, reducing magnetic leakage or spillover.

[0180] Second embodiment

[0181] Fig.11 A top view of the magnetic attraction device structure provided in one embodiment of the present application and an axial cross-sectional view after adsorption, such as Fig.11As shown in (a), the magnetic device includes a first magnetic unit 311 and a second magnetic unit 312. The first magnetic unit includes at least two first magnets 301 and the second magnetic unit includes at least two second magnets 302, and the first magnetic unit and the second magnetic unit are arranged adjacent to each other to form a fan-shaped or ring-shaped or circular ring-shaped shape with a gap or other feasible shapes. The magnetization method of the first magnet 301 and the second magnet 302 is radial magnetization. Optionally, the outer side of the first magnet 301 is the N pole and the inner side is the S pole. As shown by the arrow in the figure, the direction of the magnetic flux line inside the first magnet 301 is from the S pole to the N pole, and the arrow points from the center of the magnetic unit to the outside of the magnetic unit. The direction of the magnetic flux line outside the magnet is from the N pole to the S pole. The outer side of the second magnet 302 is an S pole, and the inner side is an N pole. As shown by the arrow in the figure, the direction of the magnetic flux lines inside the second magnet 302 is from the S pole to the N pole. The arrow points from the outside of the magnetic unit to the center of the magnetic unit, and the direction of the magnetic flux lines outside the magnet is from the N pole to the S pole. The first magnetic unit and the second magnetic unit are arranged adjacent to each other, and the first magnetic unit includes at least two first magnets 301, and the second magnetic unit includes at least two second magnets 302.

[0182] Optionally, Fig.11 Figure (b) is a possible structural schematic diagram of another magnetic device in one embodiment of the present application. Figure (b) can be obtained by rotating Figure (a). Optionally, the smart terminal or the charging device can adopt a magnetic device as shown in Figure 10(a) or Figure 10(b), such as the smart terminal adopts the magnetic device in Figure 10(a), and the charging device adopts the magnetic device in Figure 10(b), or the smart terminal adopts the magnetic device in Figure 10(b), and the charging device adopts the magnetic device in Figure 10(a). When the smart terminal and the charging device using the above-mentioned magnetic device are aligned, their axial cross-sectional view is as shown. Fig.12 As shown, in some embodiments, the lateral propagation of the magnetic field may cause the magnetic field to leak to other magnetically sensitive components. Optionally, the charging coil includes at least one of an amorphous nanocrystal, a ferrite shielding sheet, and a magnetic conductive sheet. If the charging coil is placed in an inner area of ​​the magnetic attraction device, the lateral leakage of the magnetic field may saturate the amorphous nanocrystal, the ferrite shielding sheet, or the magnetic conductive sheet inside the charging coil, which may reduce the wireless charging performance.

[0183] Therefore, accessories are also needed to participate in the entire magnetic system. The accessories can be set between the smart terminal and the charging device, and used in conjunction with the smart terminal and the charging device. The accessories can be set in the accessories of the smart terminal, such as a protective case or other accessories, or set on the surface of the charging device, used in conjunction with the smart terminal, or used alone. The magnetic field strength around or inside the magnetic suction device provided in the embodiment of the present application is weakened, which can reduce the influence of magnetic suction on other magnetic sensitive devices, and can omit or reduce soft magnetic materials, which is conducive to the miniaturization of smart terminals or charging devices; secondly, the magnetic suction device in the accessories can enhance the magnetic field strength on one side, increase the magnetic adsorption force between the smart terminal and the charging device, and can better define the contact position of the smart terminal and the charging device, which is convenient for matching the coils of the smart terminal and the charging device, and is conducive to the user experience of the smart terminal and the charging device during wireless charging.

[0184] The present application also provides a magnetic alignment system, wherein the smart terminal and the charging device adopt Fig.11 The magnetic device shown in the figure can be used as an accessory. Figure 7 , the magnetic suction device in FIG. 9(a), FIG. 9(b), FIG. 9(c), and FIG. 9(d) has an axial cross-sectional view when the magnetic suction device is aligned with the smart terminal and the charging device for adsorption. Figure 8 As shown in Figures 10(a), 10(b), 10(c), and 10(d), the accessory forms a closed-loop magnetic configuration with the magnetic attraction unit in the smart terminal and the charging device, which can reduce magnetic leakage, reduce the influence of magnetic attraction on other magnetically sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, it can achieve precision in smart terminals and charging devices.

[0185] Third embodiment

[0186] Optionally, as shown in FIG. 13( a ), a schematic top view of a magnetic device provided in an embodiment of the present application includes a first magnetic unit 311 a, a second magnetic unit 312, a third magnetic unit 313 a and a fourth magnetic unit 314. The first magnetic unit 311 a, the second magnetic unit 312, the third magnetic unit 313 a and the fourth magnetic unit 314 are arranged adjacent to each other to form a sector-shaped or ring-shaped or circular ring with a gap. The magnetization method of the first magnetic unit 311 a and the third magnetic unit 313 a is axial magnetization, and the magnetization method of the second magnetic unit 312 and the fourth magnetic unit 314 is radial magnetization. The first magnetic unit 311 a includes at least two first magnets 306 a, and the first magnet 306 a includes two parts 1301 and 1302, wherein the magnetic orientations of 1301 and 1302 are different, and in a top view, the outer side of 1301 is an N pole, and the outer side of 1302 is an S pole. The second magnetic unit 312 includes at least two second magnets 305, and the magnetic field direction of the second magnet 305 is from the center of the magnetic device to the outside. The third magnetic unit 313a includes at least two third magnets 303a, and the third magnet 303a includes two parts 1303 and 1304, wherein the magnetic orientations of 1303 and 1304 are different, and in a top-down view, the outer side of 1303 is the N pole, and the outer side of 1302 is the S pole. The fourth magnetic unit 314 includes at least two fourth magnets 304, and the magnetic field direction of the fourth magnet 304 is from the outside of the magnetic device to the center of the magnetic device. It should be understood that the magnetic device 300 in the present application is exemplary, and its variant forms and modified forms are possible.

[0187] Optionally, as shown in FIG13( b ), another schematic top view of a magnetic device provided in an embodiment of the present application includes a first magnetic unit 311 b, a second magnetic unit 312, a third magnetic unit 313 b and a fourth magnetic unit 314. Different from the magnetic device in FIG13( a ), the first magnetic unit 311 b and the third magnetic unit 313 b further include a magnetic isolation member 903, and the magnetic isolation member 903 is located between the magnets 1301 and 1302, and between 1303 and 1304.

[0188] When the smart terminal and the charging device are matched and adsorbed, the smart terminal uses Fig.11 The charging device adopts the magnetic attraction device in FIG. 13 (a) or FIG. 13 (b), and its axial cross-sectional view is as shown in FIG. Fig.14 As shown, Fig.14 This is an axial cross-sectional view of a magnetic alignment system provided in one embodiment of the present application. If the charging device adopts the magnetic attraction device in FIG. 13( a ), its axial cross-sectional view is Fig.14 (1) and (3) in FIG. 13( b ); if the charging device adopts the magnetic device in FIG. 13( b ), its axial cross-sectional view is Fig.14As can be clearly seen from (1) and (2) in the figure, the magnetic alignment system will radiate magnetic field to the side and fail to achieve a magnetic closed-loop configuration, which can easily cause magnetic leakage and affect other magnetically sensitive devices.

[0189] Optionally, the magnetic devices in the smart terminal and the charging device can be interchangeable, which is not limited here.

[0190] Optionally, an embodiment of the present application provides a top view schematic diagram of two magnetic devices, which are applied to accessories, such as Fig.15 As shown, Fig.15 The magnetic attraction device provided in (a) is different from that in FIG. 13 (a) in that the second magnetic attraction unit 312 and the fourth magnetic attraction unit are different. The second magnetic attraction unit 312 in this embodiment includes two magnetic fields that are parallel to each other and in opposite directions, and the fourth magnetic attraction unit also includes two magnetic fields that are parallel to each other and in opposite directions. Fig.15 (b) is a top view schematic diagram of another magnetic attraction device. Different from (a), the first magnetic attraction unit 311a and the third magnetic attraction unit further include a magnetic isolation member 903.

[0191] Optionally, add the Fig.15 The magnetic alignment system is an accessory of the magnetic suction device. It can effectively avoid magnetic leakage, reduce the side radiation effect of the magnetic field, and form a magnetic closed-loop configuration. As shown in Figure 16 (a) and Figure 16 (b), Figure 16 (a) is an axial cross-sectional view of the magnetic alignment system provided by an embodiment of the present application, and Figure 16 (b) is an axial cross-sectional view of the magnetic alignment system provided by an embodiment of the present application. Let's start with Figure 16 (a). The magnetic alignment system includes a smart terminal, an accessory, and a charging device, wherein the smart terminal adopts Fig.11 The magnetic device in FIG. 13( a ) is used for the charging device, and the magnetic device in FIG. 16( a ) is used for the accessory. Since the magnetic devices in the charging device and the accessory have four different magnetic units, the axial cross-section of the magnetic alignment system is shown in FIG. Figure 1 There are four states (1)(2)(3)(4). As shown in Figure 16(a), the four states of the magnetic alignment system can form a closed-loop magnetic configuration to avoid magnetic leakage. As shown in Figure 16(b), the magnetic alignment system includes a smart terminal, accessories and a charging device, where the smart terminal adopts Fig.11 The magnetic device in FIG. 13( b ) is used for the charging device, and the magnetic device in FIG. 16( b ) is used for the accessory. Since the magnetic devices in the charging device and the accessory have four different magnetic units, the axial cross-section of the magnetic alignment system is shown in FIG. Figure 1 There are four states in total (1)(2)(3)(4). As can be seen from Figure 16(b), the four states of the magnetic alignment system can form a closed-loop magnetic configuration to avoid magnetic leakage.

[0192] Fourth embodiment

[0193] Optionally, the smart terminal uses Figure 3 The charging device adopts the magnetic suction device in FIG. 9 (a) or FIG. 9 (b). When the smart terminal and the charging device are combined for adsorption, the axial cross-sectional view of the magnetic alignment system is as follows: Fig.17 As shown, Figure 17 (a) shows that the smart terminal uses Figure 3 The magnetic device in the charging device adopts the magnetic device in Figure 9 (a); Fig.17 Figure (b) shows the intelligent terminal using Figure 3 The magnetic device in the charging device adopts the magnetic device in Figure 9(b). As can be seen from the figure, the magnetic alignment system will radiate the magnetic field to the side, and does not achieve a magnetic closed loop configuration, which is easy to cause magnetic leakage and affect other magnetic sensitive devices.

[0194] Optionally, the present application provides an accessory, which adopts Figure 7 The magnetic device in the figure is added between the smart terminal and the charging device to form a magnetic alignment system. The axial cross-sectional view of the magnetic alignment system is shown in FIG. Fig.18 As shown, Fig.18 (a) is the charging equipment used Fig.17 Two cases of magnetic attraction device. Optionally, Figure 7 There is another embodiment of the magnetic attraction device, that is, there are two magnets in the magnetic attraction unit, and the magnetic fields inside the magnets are parallel to each other and in opposite directions. Fig.18 (b) is the accessories Figure 7 It can be clearly seen from the figure that the four states of the magnetic alignment system can form a closed-loop magnetic configuration to avoid magnetic leakage and eliminate the influence of magnetic leakage on surrounding magnetic sensitive devices. Secondly, it can also enhance the adsorption force between the smart terminal and the charging device; secondly, on the basis of adding accessories, it can also enhance the suction force between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0195] Optionally, the present application further provides an accessory, which uses the magnetic attraction device in Figure 9 (a) and Figure 9 (b), and adds the accessory between the smart terminal and the charging device to form a magnetic alignment system. The axial cross-sectional view of the magnetic alignment system is as shown in FIG. Fig.19 As shown, Fig.19 (a) shows two states of the accessory using the magnetic attraction device in Figure 9 (a). Fig.19(b) shows two states of the accessory using the magnetic device in Figure 9 (b). It can be clearly seen from the figure that the four states of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, on the basis of adding accessories, the suction between the smart terminal and the charging device can also be enhanced, making the smart terminal very stable during wireless charging.

[0196] Optionally, the present application further provides an accessory, which uses the magnetic attraction device in Figure 9 (c) and Figure 9 (d), and adds the accessory between the smart terminal and the charging device to form a magnetic alignment system. The axial cross-sectional view of the magnetic alignment system is as shown in FIG. Fig. 20 As shown, Fig. 20 Zhong (1) and Fig. 20 (2) shows two states of the accessory using the magnetic attraction device in Figure 9(c). Fig. 20 Neutralize (3) Fig. 20 (4) shows two states of the accessory using the magnetic device in Figure 9 (d). It can be clearly seen from the figure that the four states of the magnetic alignment system can form a closed-loop magnetic configuration to avoid magnetic leakage and eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices; secondly, on the basis of adding accessories, the suction force between the smart terminal and the charging device can also be enhanced, making the smart terminal very stable during wireless charging.

[0197] Fifth embodiment

[0198] Alternatively, if Fig.21 As shown, Fig.21 This is a schematic diagram of the structure of a magnetic attraction device provided in one embodiment of the present application. Fig.21 (a) is a magnetic device in an embodiment, which includes a first magnetic unit 2110a and a second magnetic unit 2120a, wherein the first magnetic unit 2110a and the second magnetic unit 2120a are arranged adjacent to each other to form a fan-shaped or a ring or circular shape with a notch. The present application takes the circular shape as an example. Among them, the magnetization method of the first magnetic attraction unit 2110a is axial magnetization, and the magnetization method of the second magnetic attraction unit 2120a is radial magnetization. The first magnetic attraction unit 2110a includes at least two first magnets, and the first magnet includes a first part 2111a and a second part 2112a, wherein the magnetic field direction of the first part 2111a is downward, perpendicular to the plane where the magnetic attraction device is located, and the magnetic field inside the magnet is from the S pole to the N pole; the magnetic field direction of the second part 2112a is upward, perpendicular to the plane where the magnetic attraction device is located, and the magnetic field inside the magnet is from the S pole to the N pole; the second magnetic attraction unit 2120a includes at least two second magnets 2121a, and the magnetic field direction of the second magnet 2121a is from the outside of the ring to the center of the ring.

[0199] Optionally, Fig.21 (b) is a magnetic device in an embodiment, which includes a first magnetic unit 2110b and a second magnetic unit 2120b, wherein the first magnetic unit 2110b and the second magnetic unit 2120b are arranged adjacent to each other to form a fan-shaped or a ring or circular shape with a notch. The present application takes the circular shape as an example. Optionally, the magnetization method of the first magnetic attraction unit 2110b is axial magnetization, and the magnetization method of the second magnetic attraction unit 2120b is radial magnetization. The first magnetic attraction unit 2110b includes at least two first magnets, and the first magnet includes a first part 2111b and a second part 2112b, wherein the magnetic field direction of the first part 2111b is upward and perpendicular to the plane where the magnetic attraction device is located, and the magnetic field inside the magnet is from the S pole to the N pole; the magnetic field direction of the second part 2112b is downward and perpendicular to the plane where the magnetic attraction device is located, and the magnetic field inside the magnet is from the S pole to the N pole; the second magnetic attraction unit 2120b includes at least two second magnets 2121b, and the magnetic field direction of the second magnet 2121b is from the center of the ring to the outside of the ring.

[0200] Optionally, the magnetic attraction device may include at least two first magnetic attraction units 2110a and at least two second magnetic attraction units 2120a.

[0201] Alternatively, if Fig. 22 As shown, Fig. 22 This is a schematic diagram of the structure of a magnetic attraction device provided in one embodiment of the present application. Fig. 22 (c) is a magnetic attraction device provided in an embodiment, and Fig.21 The difference between the magnetic attraction device in (a) is that the first magnetic attraction unit also includes a magnetic isolation member 903. The magnetic isolation member 903 may include one or more of a magnet, an isolation material, or a gap. In one embodiment, the magnetic isolation member 903 may include a magnet that is not magnetized. Optionally, the first component 901a, the second component 902a, and the magnetic isolation member 903 in the second magnet are one magnet. Optionally, the magnetic isolation member 903 is a non-magnetic area, that is, the magnetic isolation member 903 is not magnetized. In one embodiment, the magnetic isolation member 903 may include an isolation material that is not magnetic, which is filled between the first component and the second component, and the volume of the first component and the second component can be reduced, thereby reducing the cost of the magnetic material. In other embodiments, the magnetic isolation member 903 may include a certain volume of gaps to reduce the weight.

[0202] Optionally, Fig. 22 (d) is a magnetic attraction device provided in another embodiment, and Fig.21The difference between the magnetic attraction device in (b) is that the first magnetic attraction unit also includes a magnetic isolation member 903. The magnetic isolation member 903 may include one or more of a magnet, an isolation material, or a gap. In one embodiment, the magnetic isolation member 903 may include a magnet. In one embodiment, the magnetic isolation member 903 may include an isolation material that is not magnetic and is filled between the first component and the second component, which may reduce the volume of the first component and the second component, thereby reducing the cost of the magnetic material. In other embodiments, the magnetic isolation member 903 may include a certain volume of gaps to reduce weight.

[0203] Optionally, the smart terminal can use Fig.21 In the magnetic device (a), the charging device can be used Fig.21 (b) or Fig. 22 The magnetic device in (d) or the smart terminal can use Fig. 22 In the magnetic device (c), the charging device can be used Fig.21 (b) or Fig. 22 The magnetic device in (d) is shown in the figure. When the smart terminal and the charging device are adsorbed, the axial cross-sectional view of the magnetic alignment system is as follows: Fig.23 As shown, Fig.23 This is an axial cross-sectional view of a magnetic alignment system provided in one embodiment of the present application. State 1 is the magnetic field trend of the first magnetic unit in the two magnetic devices when they are adsorbed and attached; state 2 is the magnetic field trend of the magnetic units in the two magnetic devices with different magnetization methods when they are adsorbed and attached.

[0204] Optionally, when the smart terminal and the charging device are wirelessly charged, there may be some accessories, but the presence of accessories may affect the magnetic adsorption force between the smart terminal and the charging device. Therefore, the present application also provides an accessory, which uses the magnetic adsorption device in Figure 9 (c) or Figure 9 (d). The magnetic alignment system composed of the accessory, the smart terminal and the charging device is as follows: Fig.24 As shown, Fig.24 This is an axial cross-sectional view of a magnetic alignment system provided in one embodiment of the present application, wherein state 1 is when the first magnetic unit in the two magnetic devices of the smart terminal and the charging device are correspondingly adsorbed and fitted, and the magnetic field trend of all the accessories is added; state 2 is when the magnetic units of the two magnetic devices with different magnetization methods are adsorbed and fitted, and the magnetic field trend of all the accessories is added. It can be clearly seen from the figure that the four states of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of the accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0205] Alternatively, if Fig.25 As shown, Fig.25 This is a schematic top view of a magnetic attraction device provided in one embodiment of the present application. Fig.25 (a) is a schematic diagram of the structure of a magnetic attraction device provided in an embodiment of the present application, wherein the magnetic attraction device includes a first magnetic attraction unit 2510a and a second magnetic attraction unit 2520a, with a straight line 2500 as the boundary, wherein the magnetization method of the first magnetic attraction unit 2510a is radial magnetization, and the magnetization method of the second magnetic attraction unit 2520a is axial magnetization. The first magnetic attraction unit 2510a includes at least two first magnets 2511, and the first magnet 2511 has two magnetic fields that are parallel to each other and in opposite directions. The second magnetic attraction unit 2520a includes at least two second magnets 2521, wherein the second magnet 2521 includes two parts 2522a and 2523a, wherein the internal magnetic fields of 2522a and 2523a are parallel to each other and in opposite directions. Optionally, the number of the first magnet 2511 and the second magnet 2521 is determined according to actual conditions and is not limited here.

[0206] Optionally, Fig.25 (b) is a schematic diagram of a magnetic attraction device structure provided in an embodiment of the present application, and Fig.25 The difference between the magnetic attraction device in (a) is that the second magnetic attraction unit 2520b in the magnetic attraction device also includes a magnetic isolation member 903. The magnetic attraction device includes a first magnetic attraction unit 2510b and a second magnetic attraction unit 2520b, with a straight line 2500 as a boundary, wherein the magnetization method of the first magnetic attraction unit 2510b is radial magnetization, and the magnetization method of the second magnetic attraction unit 2520b is axial magnetization. The first magnetic attraction unit 2510b includes at least two first magnets 2511, and the first magnet 2511 has two magnetic fields that are parallel to each other and in opposite directions. The second magnetic attraction unit 2520b includes at least two second magnets 2521, wherein the second magnet 2521 includes two parts 2522b, 2523b and a magnetic isolation member 903 located between 2522b and 2523b, wherein the internal magnetic fields of 2522b and 2523b are parallel to each other and in opposite directions. Optionally, the number of the first magnet 2511 and the second magnet 2521 is determined according to actual conditions and is not limited here.

[0207] Optionally, when the smart terminal and the charging device are wirelessly charged, there may be some accessories, but the presence of accessories may affect the magnetic adsorption force between the smart terminal and the charging device. Fig.25 The magnetic device of (a) or (b), the magnetic alignment system composed of the accessory, the smart terminal and the charging device is as follows Fig.26 As shown, Fig.26 An axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application, wherein: Fig.26 (a) is the accessories Fig.25 In (a), an axial cross-sectional view of the magnetic device is shown, where state 1 is when the first magnetic units in the two magnetic devices of the smart terminal and the charging device are adsorbed and fitted accordingly, plus the magnetic field trend of all accessories; state 2 is when the magnetic units with different magnetization methods in the two magnetic devices are adsorbed and fitted, plus the magnetic field trend of all accessories. Fig.26 (b) is the accessories Fig.25 The axial cross-sectional view of the magnetic device in (b), state 1 is the magnetic field trend of all accessories when the first magnetic unit in the two magnetic devices of the smart terminal and the charging device are correspondingly adsorbed and attached; state 2 is the magnetic field trend of all accessories when the magnetic units of the two magnetic devices with different magnetization methods are adsorbed and attached. It can be clearly seen from the figure that the four states of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0208] Optionally, when the smart terminal and the charging device are adsorbed, in order to enhance the suction force between the smart terminal and the charging device, the accessories can also be used as follows: Fig. 27 The magnetic device shown, Fig. 27 This is a schematic diagram of the structure of a magnetic attraction device provided in one embodiment of the present application. Fig. 27 As shown in (a), the magnetic device includes at least two first magnetic units 2710, and the magnetization method of the first magnetic unit 2710 is axial magnetization. The first magnetic unit includes two parts of magnets 2711 and 2712, wherein the magnetic fields of the magnets 2711 and 2712 are parallel to each other and in opposite directions. The specific S pole and N pole are as shown in Fig. 27 As shown in (a). Fig. 27 The magnetic device shown in (b) is Fig. 27 The difference between (a) and Fig. 27 In (b), the first magnetic attraction unit 2710 of the magnetic attraction device further includes a filling unit 903 .

[0209] Optionally, when the smart terminal and the charging device are wirelessly charged, there may be some accessories, but the presence of accessories may affect the magnetic adsorption force between the smart terminal and the charging device. Fig. 27 The magnetic device of (a) or (b), the magnetic alignment system composed of the accessory, the smart terminal and the charging device is as follows Fig.28 As shown, Fig.28This is an axial cross-sectional view of the magnetic alignment system provided in one embodiment of the present application. State 1 is the magnetic field trend of all accessories when the first magnetic units in the two magnetic devices of the smart terminal and the charging device are correspondingly adsorbed and fitted; State 2 is the magnetic field trend of all accessories when the magnetic units of the two magnetic devices with different magnetization methods are adsorbed and fitted. It can be clearly seen from the figure that the four states of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of the accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0210] Optionally, when the smart terminal and the charging device are wirelessly charged, there may be some accessories, but the presence of accessories may affect the magnetic adsorption force between the smart terminal and the charging device. Figure 7 The magnetic device in the accessory, the smart terminal, and the charging device form a magnetic alignment system such as Fig.29 As shown, Fig.29 This is an axial cross-sectional view of the magnetic alignment system provided in one embodiment of the present application. State 1 is the magnetic field trend of all accessories when the first magnetic units in the two magnetic devices of the smart terminal and the charging device are correspondingly adsorbed and fitted; State 2 is the magnetic field trend of all accessories when the magnetic units of the two magnetic devices with different magnetization methods are adsorbed and fitted. It can be clearly seen from the figure that the four states of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of the accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0211] Sixth embodiment

[0212] Alternatively, if Fig.30 As shown, Fig.30 This is a schematic diagram of the structure of a magnetic attraction device provided in one embodiment of the present application. Fig.30(a) is a magnetic device in an embodiment, which includes a first magnetic unit 3010a and a second magnetic unit 3020a, wherein the first magnetic unit 3010a and the second magnetic unit 3020a are arranged adjacent to each other to form a sector-shaped or ring-shaped or circular ring-shaped with a gap, and the present application takes the circular ring-shaped as an example. Among them, the magnetization method of the first magnetic unit 3010a is radial magnetization, and the magnetization method of the second magnetic unit 3020a is axial magnetization. The first magnetic unit 3010a includes at least two first magnets 3011, and the magnetic field direction of the first magnet 3011 is the second direction, wherein the second direction is the radial direction of the plane where the magnetic device is located, and the magnetic field direction of the first magnet 3011 is from the outside of the magnetic device ring to the center of the ring. The second magnetic attraction unit 3020a includes at least two second magnets 3020, and the second magnet 3020 includes a first part 3021 and a second part 3022. The magnetic field direction of the first part 3021 and the second part 3022 is a first direction, wherein the magnetic field direction of the first part 3021 is perpendicular to the plane where the magnetic attraction device is located and upward, and the magnetic field inside the magnet is from the S pole to the N pole; the magnetic field direction of the second part 3022 is perpendicular to the plane where the magnetic attraction device is located and downward, and the magnetic field inside the magnet is from the S pole to the N pole.

[0213] Optionally, Fig.30 (b) is a magnetic device in an embodiment, which includes a first magnetic unit 3010b and a second magnetic unit 3020b, wherein the first magnetic unit 3010b and the second magnetic unit 3020b are arranged adjacent to each other to form a sector-shaped or ring-shaped or circular ring-shaped with a gap, and the present application takes the circular ring shape as an example. Among them, the magnetization method of the first magnetic unit 3010b is radial magnetization, and the magnetization method of the second magnetic unit 3020b is axial magnetization. The first magnetic unit 3010b includes at least two first magnets 3011, and the magnetic field direction of the first magnet 3011 is the second direction, wherein the second direction is the radial direction of the plane where the magnetic device is located, and the magnetic field direction of the first magnet 3011 is from the center of the magnetic device ring to the outside of the ring. The second magnetic attraction unit 3020b includes at least two second magnets 3020, and the second magnet 3020 includes a first part 3021 and a second part 3022. The magnetic field direction of the first part 3021 and the second part 3022 is a first direction, wherein the magnetic field direction of the first part 3021 is perpendicular to the plane where the magnetic attraction device is located and downward, and the magnetic field inside the magnet is from the S pole to the N pole; the magnetic field direction of the second part 3022 is perpendicular to the plane where the magnetic attraction device is located and upward, and the magnetic field inside the magnet is from the S pole to the N pole.

[0214] Optionally, Fig.30(c) is a magnetic device in an embodiment, which includes a first magnetic unit 3010c and a second magnetic unit 3020c, wherein the first magnetic unit 3010c and the second magnetic unit 3020c are arranged adjacent to each other to form a fan-shaped or a ring or circular shape with a notch. The present application takes the circular shape as an example. Fig.30 Embodiment of the magnetic attraction device in (c) and Fig.30 The difference from the embodiment in (a) is that the second magnetic attraction unit 3020c also includes a magnetic isolation member 903, and the magnetic isolation member 903 may include one or more of a magnet, an isolation material, or a gap. In one embodiment, the magnetic isolation member 903 may include a magnet that is not magnetized. Optionally, the first component 901a, the second component 902a, and the magnetic isolation member 903 in the second magnet are one magnet, wherein the magnetic isolation member 903 is a non-magnetic area, that is, the magnetic isolation member 903 is not magnetized. In one embodiment, the magnetic isolation member 903 may include an isolation material that is not magnetic, which is filled between the first component and the second component, and the volume of the first component and the second component can be reduced, thereby reducing the cost of the magnetic material. In other embodiments, the magnetic isolation member 903 may include a certain volume of gaps to reduce the weight.

[0215] Optionally, Fig.30 (d) is a magnetic device in an embodiment, which includes a first magnetic unit 3010d and a second magnetic unit 3020d, wherein the first magnetic unit 3010d and the second magnetic unit 3020d are arranged adjacent to each other to form a fan-shaped or a ring or circular shape with a notch. The present application takes the circular shape as an example. Fig.30 The embodiment of the magnetic attraction device in (d) is Fig.30 The difference from the embodiment in (b) is that the second magnetic attraction unit 3020d also includes a magnetic isolation member 903, and the magnetic isolation member 903 may include one or more of a magnet, an isolation material, or a gap. In one embodiment, the magnetic isolation member 903 may include a magnet that is not magnetized. Optionally, the first component 901a, the second component 902a, and the magnetic isolation member 903 in the second magnet are one magnet, wherein the magnetic isolation member 903 is a non-magnetic area, that is, the magnetic isolation member 903 is not magnetized. In one embodiment, the magnetic isolation member 903 may include an isolation material that is not magnetic, which is filled between the first component and the second component, and the volume of the first component and the second component can be reduced, thereby reducing the cost of the magnetic material. In other embodiments, the magnetic isolation member 903 may include a certain volume of gaps to reduce the weight.

[0216] Optionally, the present application also provides a charging module, the charging module comprising Fig.30Any magnetic device of (a), (b), (c), and (d) in the above, the charging module is placed in the smart terminal and the charging device, and is used to transmit electric energy between the smart terminal and the charging device by wireless. Fig.30 The magnetic devices in (a), (b), (c), and (d) are used in smart terminals. Fig.30 The magnetic device in (a) or (c), the charging device adopts Fig.30 The magnetic device in (b) or (d), or the smart terminal adopts Fig.30 In the magnetic device of (b) or (d), the charging device adopts Fig.30 The magnetic device in (a) or (c) is shown in the axial cross-sectional view of the magnetic alignment system when the smart terminal and the charging device are aligned using the magnetic device. Fig.31 As shown, Fig.31 This is an axial cross-sectional view of a magnetic alignment system provided in one embodiment of the present application. State 1 is the magnetic field trend of the first magnetic unit in the two magnetic devices when they are adsorbed and attached; state 2 is the magnetic field trend of the magnetic units in the two magnetic devices with different magnetization methods when they are adsorbed and attached.

[0217] Optionally, when the smart terminal and the charging device are wirelessly charged, there may be some accessories, but the presence of accessories may affect the magnetic adsorption force between the smart terminal and the charging device. Therefore, the present application also provides an accessory, which uses the magnetic adsorption device in Figure 9 (c) or Figure 9 (d). The magnetic alignment system composed of the accessory, the smart terminal and the charging device is as follows: Fig.32 As shown, Fig.32 This is an axial cross-sectional view of a magnetic alignment system provided in one embodiment of the present application, wherein state 1 is when the first magnetic unit in the two magnetic devices of the smart terminal and the charging device are correspondingly adsorbed and fitted, and the magnetic field trend of all the accessories is added; state 2 is when the magnetic units of the two magnetic devices with different magnetization methods are adsorbed and fitted, and the magnetic field trend of all the accessories is added. It can be clearly seen from the figure that the four states of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of the accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0218] Optionally, the present application also provides a magnetic attraction device, such as Fig.33 As shown, Fig.33 This is a schematic diagram of the structure of a magnetic attraction device provided in one embodiment of the present application, wherein: Fig.33(a) is a top view of a magnetic device provided in one embodiment of the present application, and the magnetic device is applied to accessories. The magnetic device includes a first magnetic unit 3310a and a second magnetic unit 3320a, wherein the first magnetic unit 3310a and the second magnetic unit 3320a are arranged adjacent to each other, thereby forming a sector-shaped or ring-shaped or circular ring-shaped with a gap, and the present application takes the circular ring shape as an example. Among them, the magnetization method of the first magnetic unit 3310a is radial magnetization, and the magnetization method of the second magnetic unit 3320a is axial magnetization. The first magnetic unit 3310a includes at least two first magnets 3311, and the magnetic field direction of the first magnet 3311 is the second direction, wherein the second direction is the radial direction of the plane where the magnetic device is located, and there are two parallel but opposite magnetic fields inside the first magnet 3311, one of which is from the center of the ring to the outside of the ring, and the other is from the outside of the ring to the center of the ring. The second magnetic attraction unit 3320a includes at least two second magnets 3320, and the second magnet 3320 includes a first part 3321 and a second part 3322. The magnetic field direction of the first part 3321 and the second part 3322 is a first direction, wherein the magnetic field direction of the first part 3321 is perpendicular to the plane where the magnetic attraction device is located and upward, and the magnetic field inside the magnet is from the S pole to the N pole; the magnetic field direction of the second part 3322 is perpendicular to the plane where the magnetic attraction device is located and downward, and the magnetic field inside the magnet is from the S pole to the N pole. Fig.33 (b) is a top view of the magnetic attraction device in another embodiment, and Fig.33 The difference between the magnetic attraction device in the embodiment (a) is that the second magnet in the magnetic attraction device also includes a magnetic isolation member 903. The magnetic isolation member 903 may include one or more of a magnet, an isolation material, or a gap. In one embodiment, the magnetic isolation member 903 may include a magnet that is not magnetized. Optionally, the first component 901a, the second component 902a, and the magnetic isolation member 903 in the second magnet are one magnet, wherein the magnetic isolation member 903 is a non-magnetic area, that is, the magnetic isolation member 903 is not magnetized. In one embodiment, the magnetic isolation member 903 may include an isolation material that is not magnetic, which is filled between the first component and the second component, and the volume of the first component and the second component can be reduced, thereby reducing the cost of the magnetic material. In other embodiments, the magnetic isolation member 903 may include a certain volume of gaps to reduce the weight.

[0219] Optionally, use Fig.33 The magnetic device is an accessory for the smart terminal and the charging device. When the smart terminal and the charging device are magnetically aligned, the magnetic alignment system can effectively avoid magnetic leakage, reduce the side radiation effect of the magnetic field, and form a magnetic closed loop configuration. Fig.34 As shown, Fig.34 For this application Fig.33 A corresponding axial cross-sectional view of a magnetic alignment system, the magnetic alignment system comprising a smart terminal, an accessory and a charging device, wherein the smart terminal adopts Fig.33 The magnetic device in Fig.34 As shown in (a), the accessories are Fig.33 In (b), the magnetic device is used for charging. Fig.30 The magnetic device of (a) or (c) is made of Fig.30 In the magnetic device of (b) or (d), since the magnetic devices in the charging device and the accessories have four different magnetic units, the axial cross section of the magnetic alignment system is shown in FIG. Figure 1 There are four states (1)(2)(3)(4), from Fig.34 As can be seen from (a), the four states of the magnetic alignment system can form a closed-loop magnetic configuration to avoid magnetic leakage. Fig.34 As shown in (b), the accessories are Fig.33 In (a), the magnetic device is used for charging. Fig.30 The magnetic device of (a) or (c) is made of Fig.30 In the magnetic device of (b) or (d), since the magnetic devices in the charging device and the accessories have four different magnetic units, the axial cross section of the magnetic alignment system is shown in FIG. Figure 1 There are four states (1)(2)(3)(4), from Fig.34 As can be seen from (a), the four states of the magnetic alignment system can form a closed-loop magnetic configuration to avoid magnetic leakage.

[0220] Optionally, in one of the embodiments, the accessory may also use the magnetic attraction device shown in FIG. 9(a) or FIG. 9(b), which can effectively avoid magnetic leakage and reduce the side radiation effect of the magnetic field when magnetically aligning with the smart terminal and the charging device, thus forming a magnetic closed loop configuration. Fig.35 As shown, Fig.35 This is an axial cross-sectional view of a magnetic alignment system provided in one embodiment of the present application, wherein the accessories are Fig.33 In (b), the magnetic device is used for charging. Fig.30 The magnetic device of (a) or (c) is made of Fig.30 The magnetic device of (b) or (d) is Fig.35 It can be clearly seen that the four states of the magnetic alignment system can form a closed-loop magnetic configuration to avoid magnetic leakage.

[0221] Optionally, in one embodiment, the accessory can also be used Figure 7 The magnetic device in the device can effectively avoid magnetic leakage and reduce the side radiation effect of the magnetic field when magnetically aligning with the smart terminal and charging device, forming a magnetic closed loop configuration. Fig.36 As shown, Fig.36 This is an axial cross-sectional view of a magnetic alignment system provided in one embodiment of the present application, wherein the accessories are Fig.33In (b), the magnetic device is used for charging. Fig.30 The magnetic device of (a) or (c) is made of Fig.30 The magnetic device of (b) or (d) is Fig.36 It can be clearly seen that the four states of the magnetic alignment system can form a closed-loop magnetic configuration to avoid magnetic leakage.

[0222] Seventh embodiment

[0223] Optionally, in one embodiment, the intelligent terminal adopts Fig.21 The magnetic suction device in (a) or (c) of FIG. 9 is used in the charging device. When the smart terminal and the charging device are wirelessly charged, the magnetic alignment system thereof is as follows: Fig.37 As shown, Fig.37 This is an axial cross-sectional view of a magnetic alignment system provided in one embodiment of the present application. When the smart terminal and the charging device are wirelessly charged, there may be some accessories, but the presence of accessories may affect the magnetic adsorption force between the smart terminal and the charging device. Therefore, the present application also provides an accessory, which uses the magnetic device in Figure 10 (e) or Figure 10 (f). The magnetic alignment system composed of the accessory, the smart terminal, and the charging device is as shown in FIG. Fig.38 As shown, Fig.38 This is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application, wherein state 1 is the magnetic field trend of the first magnetic unit in the two magnetic devices when they are adsorbed and attached; state 2 is the magnetic field trend of the magnetic units in the two magnetic devices with different magnetization methods when they are adsorbed and attached. Fig.38 It can be seen that the magnetic field trend of the magnetic alignment system can form a closed-loop magnetic configuration, avoiding magnetic leakage and eliminating the impact of magnetic leakage on surrounding magnetic sensitive devices; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0224] Optionally, in one embodiment, the present application further provides an accessory, which adopts Fig.33 (a) or Fig.33 The magnetic device in (b) is a magnetic alignment system composed of the accessory, the smart terminal and the charging device. Fig.39 As shown, Fig.39 This is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application, wherein the magnetic field trend of the smart terminal, the accessory and the charging device when they are correspondingly adsorbed and attached. Fig.39It can be seen that the magnetic field trend of the magnetic alignment system can form a closed-loop magnetic configuration, avoiding magnetic leakage and eliminating the impact of magnetic leakage on surrounding magnetic sensitive devices; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0225] Optionally, in one embodiment, the present application further provides an accessory, which uses the magnetic attraction device in FIG. 9(a) or FIG. 9(b), and the magnetic alignment system composed of the accessory, the smart terminal, and the charging device is as follows: Fig.40 As shown, Fig.40 This is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application, in which it can be seen that the magnetic field trend of the smart terminal, accessories and charging device when they are adsorbed and attached to each other. Fig.40 It can be seen that the magnetic field trends of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0226] Optionally, in one embodiment, the present application further provides an accessory, which adopts Figure 7 The magnetic device in the accessory, the smart terminal, and the charging device form a magnetic alignment system such as Fig.41 As shown, Fig.41 This is an axial cross-sectional view of the magnetic alignment system provided by an embodiment of the present application, showing the magnetic field trend of the smart terminal, accessories and charging device when they are adsorbed and attached to each other. Fig.41 It can be seen that the magnetic field trends of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0227] Eighth embodiment

[0228] Optionally, an embodiment of the present application provides a magnetic attraction device, the magnetic attraction device is as follows Fig.42 As shown, the magnetic device includes at least two magnets, and at least two magnets are adjacently arranged to maintain a circular ring shape or a circular ring with an opening. This embodiment takes a circular ring shape as an example. The magnetization method of the magnet in the magnetic device is radial magnetization, and the magnetic field direction is the second direction, which points from the center of the circular ring to the outside of the circular ring.

[0229] Optionally, in one embodiment, the intelligent terminal adopts Fig.21In the magnetic device of (a) or (c), the charging device adopts Fig.42 The magnetic device in the wireless charging device is used to align the magnetic alignment system of the smart terminal and the charging device. Fig.43 As shown, Fig.43 This is an axial cross-sectional view of a magnetic alignment system provided in one embodiment of the present application. When the smart terminal and the charging device are wirelessly charged, there may be some accessories, but the presence of accessories may affect the magnetic adsorption force between the smart terminal and the charging device. Therefore, the present application also provides an accessory, which uses the magnetic device in Figure 10 (e) or Figure 10 (f). The magnetic alignment system composed of the accessory, the smart terminal, and the charging device is as shown in FIG. Fig.44 As shown, Fig.44 This is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application, wherein state 1 is the magnetic field trend of the first magnetic unit in the two magnetic devices when they are adsorbed and attached; state 2 is the magnetic field trend of the magnetic units in the two magnetic devices with different magnetization methods when they are adsorbed and attached. Fig.44 It can be seen that the magnetic field trends of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0230] Optionally, in one embodiment, the present application further provides an accessory, which adopts Fig.33 The magnetic attraction device of (a) or (b), the magnetic alignment system composed of the accessory, the smart terminal and the charging device is as follows Fig.45 As shown, Fig.45 This is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application, wherein the magnetic field trend of the smart terminal, the accessory and the charging device when they are correspondingly adsorbed and attached. Fig.45 It can be seen that the magnetic field trend of the magnetic alignment system can form a closed-loop magnetic configuration, avoiding magnetic leakage and eliminating the impact of magnetic leakage on surrounding magnetic sensitive devices; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0231] Optionally, in one embodiment, the present application further provides an accessory, which uses the magnetic attraction device in FIG. 9(a) or FIG. 9(b), and the magnetic alignment system composed of the accessory, the smart terminal, and the charging device is as follows: Fig.46 As shown, Fig.46 This is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application, in which it can be seen that the magnetic field trend of the smart terminal, accessories and charging device when they are adsorbed and attached to each other. Fig.46 It can be seen that the magnetic field trend of the magnetic alignment system can form a closed-loop magnetic configuration, avoiding magnetic leakage and eliminating the impact of magnetic leakage on surrounding magnetic sensitive devices; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0232] Optionally, in one embodiment, the present application further provides an accessory, which adopts Figure 7 The magnetic device in the accessory, the smart terminal, and the charging device form a magnetic alignment system such as Fig.47 As shown, Fig.47 This is an axial cross-sectional view of the magnetic alignment system provided by an embodiment of the present application, showing the magnetic field trend of the smart terminal, accessories and charging device when they are adsorbed and attached to each other. Fig.47 It can be seen that the magnetic field trends of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0233] Ninth embodiment

[0234] Optionally, in one embodiment, the intelligent terminal adopts Fig.30 The magnetic suction device in (a) or (c) of FIG. 9 is used in the charging device. When the smart terminal and the charging device are wirelessly charged, the magnetic alignment system thereof is as follows: Fig.48 As shown, Fig.48 This is an axial cross-sectional view of a magnetic alignment system provided in one embodiment of the present application. When the smart terminal and the charging device are wirelessly charged, there may be some accessories, but the presence of accessories may affect the magnetic adsorption force between the smart terminal and the charging device. Therefore, the present application also provides an accessory, which uses the magnetic device in Figure 10 (e) or Figure 10 (f). The magnetic alignment system composed of the accessory, the smart terminal, and the charging device is as shown in FIG. Fig.49 As shown, Fig.49 This is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application, wherein state 1 is the magnetic field trend of the first magnetic unit in the two magnetic devices when they are adsorbed and attached; state 2 is the magnetic field trend of the magnetic units in the two magnetic devices with different magnetization methods when they are adsorbed and attached. Fig.49It can be seen that the magnetic field trends of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0235] Optionally, in one embodiment, the present application further provides an accessory, which adopts Fig.33 (a) or Fig.33 The magnetic device in (b) is a magnetic alignment system composed of the accessory, the smart terminal and the charging device. Fig.50 As shown, Fig.50 This is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application. Optionally, the magnetic field trend of the smart terminal, the accessory, and the charging device when they are adsorbed and attached to each other. Fig.50 It can be seen that the magnetic field trends of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0236] Optionally, in one embodiment, the present application further provides an accessory, which uses the magnetic attraction device in FIG. 9(a) or FIG. 9(b), and the magnetic alignment system composed of the accessory, the smart terminal, and the charging device is as follows: Fig.51 As shown, Fig.51 This is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application, in which it can be seen that the magnetic field trend of the smart terminal, accessories and charging device when they are adsorbed and attached to each other. Fig.51 It can be seen that the magnetic field trends of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0237] Optionally, in one embodiment, the present application further provides an accessory, which adopts Figure 7 The magnetic device in the accessory, the smart terminal, and the charging device form a magnetic alignment system such as Fig.52 As shown, Fig.52 This is an axial cross-sectional view of the magnetic alignment system provided by an embodiment of the present application, showing the magnetic field trend of the smart terminal, accessories and charging device when they are adsorbed and attached to each other. Fig.52It can be seen that the magnetic field trends of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0238] Tenth embodiment

[0239] An embodiment of the present application provides a magnetic attraction device. Fig.53 As shown, the magnetic device includes at least two magnets, and at least two magnets are adjacently arranged to maintain a circular ring shape or a circular ring with an opening. This embodiment takes a circular ring shape as an example. The magnetization method of the magnet in the magnetic device is radial magnetization, and the magnetic field direction is the second direction, which points from the outside of the circular ring to the center of the circular ring.

[0240] Optionally, in one embodiment, the intelligent terminal adopts Fig.30 (a) or Fig.30 In (c), the magnetic device is used for charging. Fig.53 The magnetic device in the wireless charging device is used to align the magnetic alignment system of the smart terminal and the charging device. Fig.54 As shown, Fig.54 This is an axial cross-sectional view of a magnetic alignment system provided in one embodiment of the present application. When the smart terminal and the charging device are wirelessly charged, there may be some accessories, but the presence of accessories may affect the magnetic adsorption force between the smart terminal and the charging device. Therefore, the present application also provides an accessory, which uses the magnetic device in Figure 10 (e) or Figure 10 (f). The magnetic alignment system composed of the accessory, the smart terminal, and the charging device is as shown in FIG. Fig.55 As shown, Fig.55 This is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application, wherein state 1 is the magnetic field trend of the first magnetic unit in the two magnetic devices when they are adsorbed and attached; state 2 is the magnetic field trend of the magnetic units in the two magnetic devices with different magnetization methods when they are adsorbed and attached. Fig.55 It can be seen that the magnetic field trends of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0241] Optionally, in one embodiment, the present application further provides an accessory, which adopts Fig.33 The magnetic device of (a) or (b), the magnetic alignment system composed of the accessory, the smart terminal and the charging device is as follows Fig.56 As shown, Fig.56 This is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application. Optionally, the magnetic field trend of the smart terminal, the accessory, and the charging device when they are adsorbed and attached to each other. Fig.56 It can be seen that the magnetic field trends of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0242] Optionally, in one embodiment, the present application further provides an accessory, which uses the magnetic attraction device in FIG. 9(a) or FIG. 9(b), and the magnetic alignment system composed of the accessory, the smart terminal, and the charging device is as follows: Fig.57 As shown, Fig.57 This is an axial cross-sectional view of a magnetic alignment system provided by an embodiment of the present application, in which it can be seen that the magnetic field trend of the smart terminal, accessories and charging device when they are adsorbed and attached to each other. Fig.57 It can be seen that the magnetic field trend of the magnetic alignment system can form a closed-loop magnetic configuration, avoiding magnetic leakage and eliminating the impact of magnetic leakage on surrounding magnetic sensitive devices; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0243] Optionally, in one embodiment, the present application further provides an accessory, which adopts Figure 7 The magnetic device in the accessory, the smart terminal, and the charging device form a magnetic alignment system such as Fig.58 As shown, Fig.58 This is an axial cross-sectional view of the magnetic alignment system provided by an embodiment of the present application, showing the magnetic field trend of the smart terminal, accessories and charging device when they are adsorbed and attached to each other. Fig.58 It can be seen that the magnetic field trends of the magnetic alignment system can form a closed-loop magnetic configuration, avoid magnetic leakage, eliminate the impact of magnetic leakage on surrounding magnetic sensitive devices, and reduce interference with energy transmission during wireless charging; secondly, the introduction of this accessory can also enhance the suction between the smart terminal and the charging device, making the smart terminal very stable during wireless charging.

[0244] The present application also provides a charging module, including a charging coil and any of the above-mentioned magnetic devices, the charging coil is used to receive or send electrical energy, and the magnetic device is arranged on the inner side or the outer side of the charging coil.

[0245] The present application also provides a smart terminal, comprising a power module and a charging module as described above, wherein a charging coil of the charging module is electrically connected to the power module, and the charging coil of the charging module is used to receive electric energy sent by a charging coil of a charging device;

[0246] The magnetic attraction device is used to limit the contact position between the smart terminal and the charging device so that the charging coils of the smart terminal and the charging device match during charging.

[0247] The present application also provides a charging device, comprising a power module and the charging module as described above, wherein a charging coil of the charging module is electrically connected to the power module, and the charging coil of the charging module is used to send electrical energy to the charging coil of the charging device;

[0248] The magnetic attraction device is used to limit the contact position between the smart terminal and the charging device so that the charging coils of the smart terminal and the charging device match during charging.

[0249] The present application also provides an accessory, including any of the magnetic devices described above, which is arranged between the smart terminal and the charging device to limit the contact position between the smart terminal and the charging device so that the charging coils of the smart terminal and the charging device match during charging.

[0250] The present application also provides a magnetic alignment system, including a smart terminal, a charging device and an accessory, wherein the smart terminal includes any of the magnetic devices described above; the charging device includes any of the magnetic devices described above; the accessory includes any of the magnetic devices described above;

[0251] Among them, the magnetic attraction device in the smart terminal, the magnetic attraction device in the accessory and the magnetic attraction device in the charging device match each other.

[0252] It is understood that the above scenarios are only examples and do not constitute a limitation on the application scenarios of the technical solutions provided in the embodiments of the present application. The technical solutions of the present application can also be applied to other scenarios. For example, it is known to those skilled in the art that with the evolution of the system architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

[0253] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0254] The steps in the method of the embodiment of the present application can be adjusted in order, combined and deleted according to actual needs.

[0255] The units in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.

[0256] In the present application, the same or similar terminology concepts, technical solutions and / or application scenario descriptions are generally described in detail only the first time they appear. When they appear again later, they are generally not repeated for the sake of brevity. When understanding the technical solutions and other contents of the present application, for the same or similar terminology concepts, technical solutions and / or application scenario descriptions that are not described in detail later, reference can be made to the previous related detailed descriptions.

[0257] In the present application, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0258] The various technical features of the technical solution of the present application can be arbitrarily combined. In order to make the description concise, not all possible combinations of the various technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of the present application.

[0259] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A magnetic attraction device, characterized in that: It includes at least two magnetic attraction units, and the at least two magnetic attraction units include a first magnetic attraction unit and a second magnetic attraction unit; The first magnetic attraction unit includes at least two first magnets, the magnetic field direction of the first magnet is parallel to the first direction or the second direction, and the magnetic field directions between the at least two first magnets are opposite or the same; The second magnetic attraction unit includes at least two second magnets, the magnetic field direction of the second magnet is parallel to the first direction or the second direction, and the magnetic field directions of the at least two second magnets are opposite or the same; The first direction is perpendicular to the plane where the magnetic attraction device is located, and the second direction is the radial direction of the magnetic attraction device.

2. The magnetic attraction device according to claim 1, characterized in that: Include at least one of the following: The top-view cross-section of the first magnet and / or the second magnet is in the shape of a sector or a polygon; The first magnetic unit and / or the second magnetic unit is in the shape of a circular ring or a sector ring; The at least two first magnets and / or the at least two second magnets are stacked along the first direction or the second direction.

3. The magnetic attraction device according to claim 1, characterized in that: The first magnetic attraction unit further includes a magnetic isolation member, which is stacked with the first magnet and the second magnet along the second direction, and the magnetic isolation member is located between the first magnet and the second magnet.

4. The magnetic attraction device according to any one of claims 1 to 3, characterized in that: Include at least one of the following: The magnetic field directions of the first magnet and the second magnet are parallel to the second direction, and the magnetic field direction of the first magnet is opposite to the magnetic field direction of the second magnet; The magnetic field direction of the first magnet is parallel to the first direction, two first magnets are stacked along the second direction, and the magnetic field direction of the second magnet is parallel to the second direction; The magnetic field direction of the first magnet is parallel to the first direction, two first magnets are stacked along the second direction, a magnetic isolation member is provided between the two first magnets, and the magnetic field direction of the second magnet is parallel to the second direction; The magnetic field direction of the first magnet is parallel to the first direction, two first magnets are stacked along the second direction, the magnetic field direction of the second magnet is parallel to the second direction, the second magnet includes two magnetic fields in opposite directions, or two second magnets are stacked along the first direction and the magnetic fields of the two second magnets are in opposite directions; The magnetic field direction of the first magnet is parallel to the first direction, two first magnets are stacked along the second direction, a magnetic isolation member is provided between the two first magnets, the magnetic field direction of the second magnet is parallel to the second direction, the second magnet includes two magnetic fields in opposite directions, or two second magnets are stacked along the first direction and the magnetic fields of the two second magnets are in opposite directions.

5. The magnetic attraction device according to any one of claims 1 to 3, characterized in that: Include at least one of the following: The magnetic field direction of the first magnet is parallel to the first direction, two of the first magnets are stacked along the second direction, the magnetic field direction of the second magnet is parallel to the first direction, two of the second magnets are stacked along the second direction, and a magnetic isolation member is provided between the two first magnets and the two second magnets; The magnetic field directions of the first magnet and the second magnet are parallel to the second direction. The first magnet includes two magnetic fields in opposite directions or two first magnets are stacked along the first direction, and the magnetic field directions of the two first magnets are opposite. The second magnet includes two magnetic fields in opposite directions or two second magnets are stacked along the first direction, and the magnetic field directions of the two second magnets are opposite.

6. An accessory, characterized in that: It comprises the magnetic attraction device as described in any one of claims 1 to 5, wherein the accessory is arranged between the smart terminal and the charging device, and is used to limit the contact position between the smart terminal and the charging device, so that the charging coils of the smart terminal and the charging device match during charging.

7. A charging module, characterized in that: The invention comprises a charging coil and a magnetic attraction device as claimed in any one of claims 1 to 5.

8. An intelligent terminal, characterized in that: It comprises the magnetic attraction device as claimed in any one of claims 1 to 5.

9. A charging device, characterized in that: It comprises the magnetic attraction device as claimed in any one of claims 1 to 5.

10. A magnetic alignment system, characterized in that: It comprises a smart terminal and a charging device and / or an accessory, wherein the smart terminal comprises the magnetic suction device according to any one of claims 1 to 5; the charging device comprises the magnetic suction device according to any one of claims 1 to 5; the accessory device comprises the magnetic suction device according to any one of claims 1 to 5; The magnetic attraction device in the smart terminal matches the magnetic attraction device in the charging device and / or the magnetic attraction device in the accessory.

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