Magnetic attraction device, charging module, accessory equipment, intelligent terminal and magnetic attraction system

Abstract

The invention provides a magnetic attraction device, a charging module, accessory equipment, an intelligent terminal and a magnetic attraction system. The magnetic attraction device comprises a magnetic attraction unit and a magnetic conduction unit which are adjacently arranged; the magnetic conduction unit is used for guiding a magnetic field loop formed by the magnetic attraction unit to select a path with small magnetic resistance, the magnetic conduction unit is used for guiding the magnetic loop generated when the magnetic attraction unit attracts, magnetic leakage or overflow is reduced, therefore, the magnetic field radiated by the magnetic attraction device to the periphery or the inner side is weakened, interference to energy transmission during wireless charging or attraction is reduced, and the wireless charging efficiency is improved. The influence on a magnetic sensitive device in the equipment is reduced; and secondly, on the basis of reducing the influence of the magnet on other sensitive devices in the intelligent terminal or the charging equipment, the magnetic adsorption force is maintained.

Description

Technical Field

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

[0002] In the existing wireless charging technology, the smart terminal and the charging device are aligned and fitted with each other through magnet adsorption, and the charging coils of the smart terminal and the charging device can transmit energy through electromagnetic induction.

[0003] In the process of conceiving and implementing this application, the inventors found that there are at least the following problems: in some schemes, the magnetic field of the magnet in the smart terminal or charging device will affect the normal operation of other magnetic field sensitive devices inside it, thereby affecting the performance of the smart terminal or 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, an accessory device, a smart terminal and a magnetic attraction system to reduce the impact of magnets on other sensitive components inside the smart terminal or the charging device.

[0006] The present application provides a magnetic attraction device, comprising a magnetic attraction unit and a magnetic conductive unit arranged adjacent to each other;

[0007] The magnetic conductive unit is used to guide the magnetic field loop formed by the magnetic attraction unit to select a path with smaller magnetic resistance.

[0008] Optionally, the magnetic conductive unit includes at least one ferromagnet and / or at least one ferrimagnet.

[0009] Optionally, the magnetic conductive unit may further include a magnetic isolation member, and the magnetic isolation member is disposed between at least two ferromagnets, or between at least two ferrimagnets, or between a ferromagnet and a ferrimagnet.

[0010] Optionally, the magnetic attraction device further includes a first magnetic isolation component and a second magnetic isolation component, and the first magnetic isolation component and / or the second magnetic isolation component are arranged on the periphery of the magnetic attraction unit and the magnetic conductive unit.

[0011] Optionally, the magnetic attraction unit includes at least one magnet;

[0012] The direction of the internal magnetic field of the magnet in the magnetic attraction unit is parallel to the first direction or the second direction;

[0013] 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.

[0014] Optionally, the magnet in the magnetic attraction unit is a permanent magnetic material.

[0015] Optionally, the permanent magnetic material includes a metal alloy magnet or a ferrite permanent magnet.

[0016] Optionally, at least two magnets in the magnetic attraction unit are stacked along the second direction, and the internal magnetic field directions of the at least two magnets are parallel to the first direction; and / or,

[0017] The magnetic attraction unit includes at least one first magnet and at least one second magnet. The first magnet and the second magnet are arranged adjacent to or spaced apart. The internal magnetic field direction of the first magnet is parallel to the first direction, and the internal magnetic field direction of the second magnet is parallel to the second direction.

[0018] Optionally, the magnetization direction of the magnet in the magnetic attraction unit is radiation magnetization and / or axial magnetization; or

[0019] The magnetization direction of the magnet in the magnetic attraction unit is radial magnetization and / or axial magnetization.

[0020] Optionally, the magnetic attraction unit further includes a magnetic isolation member, and the magnetic isolation member is located between two magnets stacked along the second direction.

[0021] Optionally, the first magnetic isolation component is an amorphous nanocrystalline material or a ferrite material.

[0022] Optionally, the second magnetic isolation component is at least one of an amorphous nanocrystalline material, a ferrite material and an absorbing material.

[0023] The present application also provides a charging module, comprising a charging coil and any of the above-mentioned magnetic devices.

[0024] Optionally, the charging coil includes an FPC coil, a wound coil, a laser / etched coil, and a stamped coil.

[0025] The present application also provides a smart terminal, including any of the magnetic devices described above; or, including the charging module described above.

[0026] Optionally, the smart terminal further includes a charging coil, and the magnetic attraction device is configured to match the charging coil of the smart terminal with the charging coil of the accessory device.

[0027] Optionally, the smart terminal further includes an NFC coil, and the NFC coil is located inside or outside the magnetic attraction device.

[0028] The present application also provides an accessory device, including any of the magnetic suction devices described above; or, including a charging module described above.

[0029] Optionally, the accessory device further includes a charging coil, and the magnetic attraction device is configured to match the charging coil of the smart terminal with the charging coil of the accessory device.

[0030] Optionally, the accessory device further includes an NFC coil, and the NFC coil is located inside or outside the magnetic attraction device.

[0031] The present application also provides a magnetic attraction system, including the above-mentioned smart terminal and accessory equipment; or,

[0032] Including the above-mentioned accessory equipment and smart terminals.

[0033] The present application provides a magnetic attraction device, including a magnetic attraction unit and a magnetic conductive unit arranged adjacent to each other; the magnetic conductive unit is used to guide the magnetic field loop formed by the magnetic attraction unit to select a path with smaller magnetic resistance. The magnetic conductive unit is used to guide the magnetic loop of the magnetic attraction unit during adsorption, thereby reducing magnetic leakage or overflow, thereby achieving the weakening of the magnetic field radiated to the surrounding or inside of the magnetic attraction device, reducing interference with energy transmission during wireless charging or adsorption, and reducing the impact on magnetically sensitive devices inside the device; secondly, on the basis of reducing the impact of the magnet on other sensitive devices inside the smart terminal or charging device, the magnetic adsorption force is maintained. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] 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.

[0035] Figure 1 A schematic diagram of the hardware structure of a mobile terminal for implementing various embodiments of the present application;

[0036] Figure 2 A communication network system architecture diagram provided for an embodiment of the present application;

[0037] Figure 3 is a top view of the magnetic attraction device structure provided by an embodiment of the present application;

[0038] Figure 4 is a schematic diagram of a magnetizing method provided by an embodiment of the present application;

[0039] Figure 5 is a top view of the magnetic attraction device structure provided by an embodiment of the present application;

[0040] Figure 6 is a top view of a magnetic attraction device structure provided by another embodiment of the present application;

[0041] Figure 7 is a top view of a magnetic attraction device structure provided by another embodiment of the present application;

[0042] Figure 8 is a top view of the magnetic attraction device structure provided by an embodiment of the present application;

[0043] Fig. 9 is an axial cross-sectional view of a magnetic attraction system provided by an embodiment of the present application;

[0044] Fig.10 is a top view of the magnetic attraction device structure provided by an embodiment of the present application;

[0045] Fig.11 is a top view of a magnetic attraction device structure provided by another embodiment of the present application;

[0046] Fig.12 is an axial cross-sectional view of a magnetic attraction system provided by an embodiment of the present application;

[0047] Fig.13 is a top view of the magnetic attraction device structure provided by an embodiment of the present application;

[0048] Fig.14 is a top view of a magnetic attraction device structure provided by another embodiment of the present application;

[0049] Fig.15 is an axial cross-sectional view of a magnetic attraction system provided by an embodiment of the present application;

[0050] Fig.16 is an axial cross-sectional view of a magnetic attraction system provided by an embodiment of the present application;

[0051] Fig.17 It is a schematic diagram of the shape of a charging coil provided in one embodiment of the present application.

[0052] Reference numerals:

[0053] 310, magnetic attraction unit; 320, magnetic conductive unit; 330, first magnetic shielding component; 340, second magnetic shielding component; 311, first magnet; 312, second magnet; 313, magnetic shielding component; 401, third magnet; 402, fourth magnet; 3111, first component; 3112, second component.

[0054] 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

[0055] 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.

[0056] 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.

[0057] 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.

[0058] 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.

[0059] 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.

[0060] It should be noted that in this article, step codes such as S10 and S20 are used for the purpose of expressing the corresponding content more clearly and concisely, and do not constitute a substantial limitation on the sequence. When implementing the step, those skilled in the art may execute S20 first and then S10, etc., but these should all be within the scope of protection of this application.

[0061] 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.

[0062] 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.

[0063] 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.

[0064] The following description will be made by taking a mobile 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.

[0065] See also Figure 1 , which is a schematic diagram of the hardware structure of a mobile terminal for implementing various embodiments of the present application, the mobile terminal 100 may include: RF (Radio Frequency, 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 mobile terminal shown in the figure does not constitute a limitation on the mobile terminal. The mobile terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange the components differently.

[0066] Combine the following Figure 1 A brief introduction to the various components of the mobile terminal:

[0067] 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.

[0068] WiFi is a short-range wireless transmission technology. Mobile terminals can help users send and receive emails, browse web pages, and access streaming media through 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 an essential component of the mobile terminal and can be omitted as needed without changing the essence of the invention.

[0069] 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 mobile terminal 100 is in a call signal reception mode, a talk mode, a recording mode, a voice recognition mode, a broadcast reception mode, etc. Moreover, the audio output unit 103 can also provide audio output related to a specific function performed by the mobile terminal 100 (for example, a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, etc.

[0070] 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.

[0071] The mobile 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 mobile 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 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.

[0072] 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.

[0073] 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 mobile 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.

[0074] 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 implement the input and output functions of the mobile terminal. However, in some embodiments, the touch panel 1071 and the display panel 1061 can be integrated to implement the input and output functions of the mobile terminal, which is not limited here.

[0075] The interface unit 108 serves as an interface through which at least one external device can be connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) 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 mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and an external device.

[0076] 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.

[0077] The processor 110 is the control center of the mobile terminal. It uses various interfaces and lines to connect various parts of the entire mobile terminal. It executes various functions of the mobile 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 mobile 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.

[0078] The mobile 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 via a power management system, thereby implementing functions such as charging, discharging, and power consumption management through the power management system.

[0079] although Figure 1 Not shown, the mobile terminal 100 may further include a Bluetooth module, etc., which will not be described in detail here.

[0080] In order to facilitate understanding of the embodiments of the present application, the communication network system on which the mobile terminal of the present application is based is described below.

[0081] 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.

[0082] Optionally, UE201 may be the above-mentioned terminal 100, which will not be described in detail here.

[0083] 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 .

[0084] 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).

[0085] The IP service 204 may include the Internet, an intranet, an IMS (IP Multimedia Subsystem) or other IP services.

[0086] 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.

[0087] Based on the above-mentioned mobile terminal hardware structure and communication network system, various embodiments of the present application are proposed.

[0088] In some implementations, the existing wireless charging technology uses magnets to align the smart terminal and the charging device, and the charging coils of the smart terminal and the charging device can transfer energy through electromagnetic induction. The magnetic field of the magnet in the smart terminal or the charging device may affect the normal operation of other magnetic field sensitive devices inside it, thereby affecting the performance of the smart terminal or the charging device.

[0089] First embodiment

[0090] In order to solve the problem of magnetic field of magnets in the prior art, the present application provides a magnetic device, a charging module, an accessory device, a smart terminal and a magnetic system. The charging module includes a magnetic device and a charging coil. The smart terminal and the accessory device may include a complementary magnetic device, which is conducive to the alignment and / or attachment of the accessory device to the smart terminal. 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 magnetic device of the present application includes adjacently arranged magnetic units and magnetic conductive units. The intervals between each magnetic unit or magnetic conductive unit and the charging coil may be the same or different, which is not limited here. The magnetic device may include a variety of shapes such as a circular ring and an irregular ring, which is not limited here. If the magnetic device is placed in an adjacent position to 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 more gaps, which is not limited here.

[0091] The present application provides a magnetic attraction device, such as Figure 3 As shown, Figure 3 A top view of a magnetic device structure provided in an embodiment of the present application. The magnetic device comprises a magnetic unit 310 and a magnetic conductive unit 320 arranged adjacent to each other; the magnetic conductive unit 320 is used to guide the magnetic field loop formed by the magnetic unit 310 to select a path with a smaller magnetic resistance.

[0092] The present application utilizes the magnetic conductive unit 320 to guide the magnetic field path of the magnetic attraction unit 310 during adsorption, thereby reducing magnetic leakage or overflow, thereby weakening the magnetic field radiated to the surroundings or inward by the magnetic attraction device, reducing interference with energy transmission during wireless charging or adsorption, and reducing the impact on magnetically sensitive components inside the device; secondly, the magnetic adsorption force is maintained on the basis of reducing the impact of the magnet on other sensitive components inside the smart terminal or charging device.

[0093] Optionally, the magnetic attraction device may have multiple magnetic attraction units 310 and multiple magnetic conductive units 320, wherein the magnetic attraction units 310 and the magnetic conductive units 320 are arranged adjacent to each other. The present application does not limit the number of magnetic attraction units 310 and magnetic conductive units 320 in the magnetic attraction device, which can be determined according to actual conditions.

[0094] Optionally, the magnetic conductive unit 320 includes at least one ferromagnet and / or at least one ferrimagnet.

[0095] Optionally, because ferromagnets and ferrimagnets are highly magnetic permeable materials, the magnetic field loop can be guided to preferentially select a loop with a smaller magnetic resistance path, thereby guiding the magnetic field loop of the magnetic attraction unit 310 to follow the path planned by the magnetic attraction device, which can effectively avoid magnetic leakage or overflow; ferromagnets and ferrimagnets are easily magnetized by external magnetic fields, providing sufficient magnetic attraction when adsorbed with other devices, thereby improving the adsorption force; ferromagnets and ferrimagnets have high processing accuracy and low cost, and the thickness of ferromagnets and ferrimagnets can be processed or manufactured to within 0.2 mm, which can reduce the thickness of the equipment using the magnetic attraction device, and is conducive to achieving the lightness and thinness of the equipment.

[0096] Optionally, the magnetic conductive unit 320 may further include a magnetic isolation member (not shown in the figure), which is disposed between at least two ferromagnets, or between at least two ferrimagnets, or between a ferromagnet and a ferrimagnet.

[0097] Optionally, the magnetic isolation member can be a gap, a filling material or a non-magnetic area. Optionally, the magnetic isolation member is a non-magnetic area, which means that there is a non-magnetic area between two ferromagnets or between two ferrimagnets or between a ferromagnet and a ferrimagnet, but the non-magnetic area is not magnetized. Optionally, the magnetic isolation member can include a non-magnetic isolation material filled between two ferromagnets or between two ferrimagnets or between a ferromagnet and a ferrimagnet, which can reduce the volume of the ferromagnet and / or ferrimagnet and reduce the cost of the magnetic material. Optionally, the spacer can include a gap of a certain volume, which can reduce the weight of the magnetic conductive unit 320.

[0098] Optionally, the magnet in the magnetic attraction unit 310 is a permanent magnetic material.

[0099] Optionally, the permanent magnetic material includes a metal alloy magnet or a ferrite permanent magnet.

[0100] Optionally, the magnet in the magnetic unit 310, i.e., the permanent magnetic material, can provide a static magnetic field of a certain strength after being magnetized, so that it has an adsorption force. Optionally, the magnet in the magnetic unit 310 is a metal alloy magnet or a ferrite permanent magnet.

[0101] Optionally, the magnetic attraction device further includes a first magnetic isolation component 330 and a second magnetic isolation component 340 , and the first magnetic isolation component 330 and / or the second magnetic isolation component 340 are disposed on the periphery of the magnetic attraction unit 310 and the magnetic conductive unit 320 .

[0102] Optionally, the first magnetic shielding component 330 can block or absorb the interference of external permanent magnets on the infinite charging alternating magnetic field, because the magnets in the magnetic attraction unit 310 will cause the nanocrystals at the bottom of the charging coil to enter saturation early, affecting the AC impedance of the charging coil, and further affecting the output and temperature rise of power transmission during wireless charging. The second magnetic shielding component 340 can prevent the magnets in the magnetic conductive unit 320 from being magnetized and affecting other magnetically sensitive components inside the device, such as NFC or antenna radio frequency interference. Figure 3 As shown, if the magnetic unit 310 and the magnetic conductive unit 320 are arranged adjacent to each other to form a ring with a gap, if the charging coil is arranged outside the magnetic device, the magnetic device is provided with a first magnetic shielding component 330, and the first magnetic shielding component 330 is surrounded by the outer periphery of the ring, then the first magnetic shielding component 330 can prevent magnetic leakage or overflow, reduce interference with energy transmission during wireless charging or adsorption, and also reduce the impact on magnetic sensitive components inside the device; if the charging coil is arranged inside the magnetic device, the magnetic device is provided with a second magnetic shielding component 340, and the second magnetic shielding component 340 Surrounding the inner circle of the ring, the first magnetic isolation component 330 can prevent magnetic leakage or overflow, reduce the interference with energy transmission during wireless charging or adsorption, and reduce the impact on magnetically sensitive components inside the device; when the magnetic attraction device includes the first magnetic isolation component 330 and the second magnetic isolation component 340, that is, the magnetic attraction unit 310 and the magnetic conductive unit 320 are surrounded by the space surrounded by the first magnetic isolation component 330 and the second magnetic isolation component 340, it can prevent magnetic leakage or overflow, protect the magnetically sensitive components inside the device, and reduce the interference with energy transmission during wireless charging or adsorption.

[0103] Optionally, the first magnetic isolation component 330 is made of amorphous nanocrystalline material or ferrite material.

[0104] Optionally, the second magnetic isolation component 340 is at least one of an amorphous nanocrystalline material, a ferrite material and an absorbing material.

[0105] Optionally, the absorbing material is a ferrite absorbing material, a metal micro-powder absorbing material, a polycrystalline iron fiber absorbing material, a nano absorbing material, an absorbing structure composite material, or a plasma absorbing material.

[0106] Optionally, the magnetizing direction of the magnet in the magnetic attraction unit 310 is radial magnetization and / or axial magnetization; or, the magnetizing direction of the magnet in the magnetic attraction unit 310 is radial magnetization and / or axial magnetization.

[0107] Alternatively, if Figure 4 As shown, Figure 4 A schematic diagram of a magnet charging method provided in one embodiment of the present application. Figure 4 The magnetization direction of the magnet is shown in the figure a) as radiation magnetization. Figure 4The magnetization direction of the magnet shown in the figure b) is radial magnetization. When the magnetic attraction unit 310 includes a single magnet, the magnetization method of the magnet is one of radiation magnetization and axial magnetization, and the magnetization method of the magnet can also be one of radial magnetization and axial magnetization. When the magnetic attraction unit 310 includes multiple magnets, the magnetization method of at least two magnets in the magnetic attraction unit 310 is one of axial magnetization and radial magnetization. Or the magnetization method of at least two magnets in the first magnetic attraction unit 310 is one of radiation magnetization and radial magnetization.

[0108] Optionally, the magnetic unit 310 includes at least one magnet; the internal magnetic field direction of the magnet in the magnetic unit 310 is parallel to the first direction or the second direction; the first direction is perpendicular to the plane where the magnetic device is located, and the second direction is the radial direction of the magnetic device.

[0109] Optionally, at least two magnets in the magnetic attraction unit 310 are stacked along the second direction, and the directions of the internal magnetic fields of the at least two magnets are parallel to the first direction.

[0110] like Figure 5 As shown, Figure 5A top view of the structure of a magnetic device provided for one embodiment of the present application. The magnetic device includes a magnetic unit 310 and a magnetic conductive unit 320 arranged adjacent to each other, the magnetic unit 310 includes a first magnet 311 and a second magnet 312, the first magnet 311 and the second magnet 312 are stacked along the second direction, the internal magnetic field directions of the first magnet 311 and the second magnet 312 are parallel to the first direction, and the internal magnetic fields of the first magnet 311 and the second magnet 312 are opposite in direction. The upper end of the first magnet 311 (the end facing us) is an S pole, and the lower end of the first magnet 311 (the end facing away from us) is an N pole; the upper end of the second magnet 312 (the end facing us) is an N pole, and the lower end of the second magnet 312 (the end facing away from us) is an S pole. In other embodiments, the upper end of the first magnet 311 (the end facing us) is an N pole, and the lower end of the first magnet 311 (the end facing away from us) is an S pole; the upper end of the second magnet 312 (the end facing us) is an S pole, and the lower end of the second magnet 312 (the end facing away from us) is an N pole. Optionally, there can be multiple numbers of magnetic attraction units 310 and magnetic conductive units 320, which is not limited in this application and can be adjusted according to actual needs. Optionally, the first magnet 311 and the second magnet 312 can be a complete magnet, and different magnetization methods are used to make the first magnet 311 and the second magnet 312 have opposite internal magnetic field directions; the first magnet 311 and the second magnet 312 can also be a combination of two magnets, and this application does not limit the existence form of the first magnet 311 and the second magnet 312. Optionally, the magnetic attraction device further includes a first magnetic isolation component 330 and a second magnetic isolation component 340 (not shown in the figure), and the first magnetic isolation component 330 and / or the second magnetic isolation component 340 are arranged on the periphery of the magnetic attraction unit 310 and the magnetic conductive unit 320 .

[0111] The present application utilizes the magnetic conductive unit 320 to guide the magnetic circuit of the magnetic attraction unit 310 during adsorption, thereby reducing magnetic leakage or overflow, thereby weakening the magnetic field radiated to the surroundings or inward by the magnetic attraction device, reducing interference with energy transmission during wireless charging or adsorption, and reducing the impact on magnetically sensitive components inside the device; secondly, the magnetic adsorption force is maintained on the basis of reducing the impact of the magnet on other sensitive components inside the smart terminal or charging device.

[0112] Figure 6 A top view of a magnetic attraction device structure provided in another embodiment of the present application is shown in FIG. Figure 6As shown, the magnetic attraction unit 310 may include two first magnets 311 and a second magnet 312. In other embodiments, the magnetic attraction unit 310 may include a plurality of first magnets 311 and a second magnet 312, wherein the first magnets 311 and the second magnets 312 are stacked along the second direction, the plurality of first magnets 311 are adjacently arranged, and the plurality of second magnets 312 are adjacently arranged. Optionally, the magnetic attraction device further includes a first magnetic isolation component 330 and a second magnetic isolation component 340 (not shown in the figure), and the first magnetic isolation component 330 and / or the second magnetic isolation component 340 are arranged on the periphery of the magnetic attraction unit 310 and the magnetic conductive unit 320.

[0113] Optionally, the magnetic attraction unit 310 further includes a magnetic isolation member 313 , and the magnetic isolation member 313 is located between two magnets stacked along the second direction.

[0114] like Figure 7 As shown, Figure 7 A top view of the structure of a magnetic device provided for another embodiment of the present application. The magnetic device includes a magnetic unit 310 and a magnetic conductive unit 320 arranged adjacent to each other, the magnetic unit 310 includes a first magnet 311, a magnetic shielding member 313 and a second magnet 312, and the magnetic shielding member 313 is located between the first magnet 311 and the second magnet 312. The first magnet 311 and the second magnet 312 are stacked along the second direction, the internal magnetic field directions of the first magnet 311 and the second magnet 312 are parallel to the first direction, and the internal magnetic fields of the first magnet 311 and the second magnet 312 are opposite in direction. The upper end of the first magnet 311 (the end facing us) is an S pole, and the lower end of the first magnet 311 (the end facing away from us) is an N pole; the upper end of the second magnet 312 (the end facing us) is an N pole, and the lower end of the second magnet 312 (the end facing away from us) is an S pole. Optionally, there may be multiple numbers of magnetic attraction units 310 and magnetic conductive units 320, which is not limited in the present application and can be adjusted according to actual needs. Optionally, the first magnet 311 and the second magnet 312 can be a complete magnet, and different magnetization methods are used to make the first magnet 311 and the second magnet 312 have internal magnetic field directions in opposite directions; the first magnet 311 and the second magnet 312 can also be a combination of two magnets, and the present application does not limit the existence form of the first magnet 311 and the second magnet 312. Optionally, the magnetic attraction device also includes a first magnetic isolation component 330 and a second magnetic isolation component 340 (not shown in the figure), and the first magnetic isolation component 330 and / or the second magnetic isolation component 340 are arranged on the periphery of the magnetic attraction unit 310 and the magnetic conductive unit 320.

[0115] Optionally, the magnetic isolation member 313 can be a gap, a filling material or a non-magnetic area. Optionally, the magnetic isolation member 313 is a non-magnetic area, which means that there is a non-magnetic area between two ferromagnets or between two ferrimagnets or between a ferromagnet and a ferrimagnet, but the non-magnetic area is not magnetized. Optionally, the magnetic isolation member 313 can include a non-magnetic isolation material filled between two ferromagnets or between two ferrimagnets or between a ferromagnet and a ferrimagnet, which can reduce the volume of the ferromagnet and / or ferrimagnet and reduce the cost of the magnetic material. Optionally, the spacer can include a gap of a certain volume, which can reduce the weight of the magnetic conductive unit 320.

[0116] like Figure 8 As shown, Figure 8 A top view of a magnetic attraction device structure provided in one embodiment of the present application. Figure 8 The magnetic device in FIG. a) includes a plurality of adjacently arranged magnetic units 310, and the magnetic unit 310 includes a third magnet 401 and a fourth magnet 402, which are stacked along the second direction, and the directions of the internal magnetic fields of the third magnet 401 and the fourth magnet 402 are parallel to the first direction, and the directions of the internal magnetic fields of the third magnet 401 and the fourth magnet 402 are opposite. The upper end (the end facing us) of the third magnet 401 is an S pole, and the lower end (the end facing away from us) of the third magnet 401 is an N pole; the upper end (the end facing us) of the fourth magnet 402 is an N pole, and the lower end (the end facing away from us) of the fourth magnet 402 is an S pole. In other embodiments, the upper end of the third magnet 401 (the end facing us) is the N pole, and the lower end of the third magnet 401 (the end facing away from us) is the S pole; the upper end of the fourth magnet 402 (the end facing us) is the S pole, and the lower end of the fourth magnet 402 (the end facing away from us) is the N pole.

[0117] Figure 8The magnetic device in the figure b) includes a plurality of adjacently arranged magnetic units 310, and the magnetic unit 310 includes a third magnet 401, a magnetic isolation member 313 and a fourth magnet 402, and the magnetic isolation member 313 is located between the third magnet 401 and the fourth magnet 402. The third magnet 401 and the fourth magnet 402 are stacked along the second direction, and the directions of the internal magnetic fields of the third magnet 401 and the fourth magnet 402 are parallel to the first direction, and the directions of the internal magnetic fields of the third magnet 401 and the fourth magnet 402 are opposite. The upper end (the end facing us) of the third magnet 401 is an S pole, and the lower end (the end facing away from us) of the third magnet 401 is an N pole; the upper end (the end facing us) of the fourth magnet 402 is an N pole, and the lower end (the end facing away from us) of the fourth magnet 402 is an S pole. In other embodiments, the upper end of the third magnet 401 (the end facing us) is the N pole, and the lower end of the third magnet 401 (the end facing away from us) is the S pole; the upper end of the fourth magnet 402 (the end facing us) is the S pole, and the lower end of the fourth magnet 402 (the end facing away from us) is the N pole.

[0118] The present application also provides a charging module, which includes a charging coil and the above-mentioned magnetic attraction device, and the charging coil can be located inside or outside the magnetic attraction device. Optionally, the charging coil includes an NFC coil, an FPC coil, a winding coil, a laser / etched coil, and a stamped coil.

[0119] The present application also provides a smart terminal, including the magnetic device as described above; or, including the charging module as described above. Optionally, the smart terminal also includes a charging coil, and the magnetic device is configured to match the charging coil of the smart terminal with the charging coil of the accessory device. Optionally, the smart terminal also includes an NFC coil, and the NFC coil is located inside or outside the magnetic device.

[0120] The present application also provides an accessory device, including the magnetic device as described above; or, including the charging module as described above. Optionally, the accessory device also includes a charging coil, and the magnetic device is configured to match the charging coil of the smart terminal with the charging coil of the accessory device. Optionally, the accessory device also includes an NFC coil, and the NFC coil is located inside or outside the magnetic device. Optionally, the accessory device can be a charging device or a card wallet type accessory.

[0121] The present application also provides a magnetic attraction system, including a smart terminal and accessory equipment. Fig. 9 As shown, Fig. 9 This is an axial cross-sectional view of a magnetic attraction system provided by an embodiment of the present application. Fig. 9 Figure a), the smart terminal uses Figure 5 or Figure 6 The magnetic device in the accessories equipment adopts Figure 8 The magnetic device of a) in the above method; or the smart terminal adopts the following method: Figure 8 The magnetic device in a) is used as an accessory device. Figure 5 or Figure 6 When the smart terminal and the accessory device are adsorbed, the magnetic field direction of the magnetic system composed of the magnetic devices in the smart terminal and the accessory device is as follows: Fig. 9 As shown in a), the magnetic conductive unit 320 inside the magnetic device guides the magnetic field formed by the magnetic unit 310 to select a path with smaller magnetic resistance, thereby forming a closed magnetic circuit. The magnetic conductive unit 320 is used to guide the magnetic field path of the magnetic unit 310 during adsorption to reduce magnetic leakage or overflow, thereby achieving the weakening of the magnetic field radiated to the surrounding or inward of the magnetic device, reducing interference with energy transmission during wireless charging or adsorption, and reducing the impact on magnetic sensitive devices inside the device; secondly, the magnetic adsorption force is maintained on the basis of reducing the impact of the magnet on other sensitive devices inside the smart terminal or charging device. See Fig. 9 Figure b), the smart terminal uses Figure 7 The magnetic device in the accessories equipment adopts Figure 8 b) of the magnetic device; or, the smart terminal uses Figure 8 The magnetic device in b) is used as an accessory device. Figure 7 When the smart terminal and the accessory device are adsorbed, the magnetic field direction of the magnetic system composed of the magnetic devices in the smart terminal and the accessory device is as follows: Fig. 9 As shown in b), the magnetic conductive unit 320 inside the magnetic device guides the magnetic field formed by the magnetic unit 310 to select a path with smaller magnetic resistance, thereby forming a closed magnetic loop. The magnetic conductive unit 320 is used to guide the magnetic field path of the magnetic unit 310 during adsorption, thereby reducing magnetic leakage or overflow, thereby achieving the weakening of the magnetic field radiated to the surroundings or inside of the magnetic device, reducing interference with energy transmission during wireless charging or adsorption, and reducing the impact on magnetic sensitive devices inside the device; secondly, the magnetic adsorption force is maintained on the basis of reducing the impact of the magnet on other sensitive devices inside the smart terminal or charging device.

[0122] Second embodiment

[0123] Optionally, the magnetic unit 310 includes at least one magnet; the internal magnetic field direction of the magnet in the magnetic unit 310 is parallel to the first direction or the second direction; the first direction is perpendicular to the plane where the magnetic device is located, and the second direction is the radial direction of the magnetic device.

[0124] like Fig.10 As shown, Fig.10A top view of the structure of a magnetic device provided in one embodiment of the present application. The magnetic device includes a magnetic unit 310 and a magnetic conductive unit 320 arranged adjacent to each other, and the internal magnetic field direction of the magnet in the magnetic unit 310 is parallel to the second direction. Optionally, the internal magnetic field direction of the magnet in the magnetic unit 310 is from the outside of the magnetic device to the center of the magnetic device or from the center of the magnetic device to the outside of the magnetic device.

[0125] Optionally, the magnetic attraction unit 310 may include a plurality of magnets, and the number of magnets is not limited here. Optionally, the number of magnets in the magnetic conductive unit 320 is also not limited. Fig.11 As shown, Fig.11 A top view of a magnetic device structure provided in another embodiment of the present application. The magnetic device includes a magnetic unit 310 and a magnetic conductive unit 320 arranged adjacent to each other. The internal magnetic field direction of the magnet in the magnetic unit 310 is parallel to the second direction. The magnetic unit 310 includes only one magnet, and the number of magnets in the magnetic conductive unit 320 is also the same as the second direction. Fig.10 Different.

[0126] The present application also provides a charging module, which includes a charging coil and the above-mentioned magnetic attraction device, and the charging coil can be located inside or outside the magnetic attraction device. Optionally, the charging coil includes an NFC coil, an FPC coil, a winding coil, a laser / etched coil, and a stamped coil.

[0127] The present application also provides a smart terminal, including the magnetic device as described above; or, including the charging module as described above. Optionally, the smart terminal also includes a charging coil, and the magnetic device is configured to match the charging coil of the smart terminal with the charging coil of the accessory device. Optionally, the smart terminal also includes an NFC coil, and the NFC coil is located inside or outside the magnetic device.

[0128] The present application also provides an accessory device, including the magnetic device as described above; or, including the charging module as described above. Optionally, the accessory device also includes a charging coil, and the magnetic device is configured to match the charging coil of the smart terminal with the charging coil of the accessory device. Optionally, the accessory device also includes an NFC coil, and the NFC coil is located inside or outside the magnetic device. Optionally, the accessory device can be a charging device or a card wallet type accessory.

[0129] The present application also provides a magnetic attraction system, including a smart terminal and accessory equipment. Fig.12 As shown, Fig.12 This is an axial cross-sectional view of a magnetic attraction system provided by an embodiment of the present application. Fig.12 Figure a), the smart terminal uses Fig.10 or Fig.11 The magnetic device in the accessories equipment adopts Figure 8The magnetic device of a) in the above method; or the smart terminal adopts the following method: Figure 8 The magnetic device in a) is used as an accessory device. Fig.10 or Fig.11 When the smart terminal and the accessory device are adsorbed, the magnetic field direction of the magnetic system composed of the magnetic devices in the smart terminal and the accessory device is as follows: Fig.12 As shown in a), the magnetic conductive unit 320 inside the magnetic device guides the magnetic field formed by the magnetic unit 310 to select a path with smaller magnetic resistance, thereby forming a closed magnetic circuit. The magnetic conductive unit 320 is used to guide the magnetic field path of the magnetic unit 310 during adsorption to reduce magnetic leakage or overflow, thereby achieving the weakening of the magnetic field radiated to the surrounding or inward of the magnetic device, reducing interference with energy transmission during wireless charging or adsorption, and reducing the impact on magnetic sensitive devices inside the device; secondly, the magnetic adsorption force is maintained on the basis of reducing the impact of the magnet on other sensitive devices inside the smart terminal or charging device. See Fig.12 Figure b), the smart terminal uses Fig.10 or Fig.11 The magnetic device in the accessories equipment adopts Figure 8 b) of the magnetic device; or, the smart terminal uses Figure 8 The magnetic device in b) is used as an accessory device. Fig.10 or Fig.11 When the smart terminal and the accessory device are adsorbed, the magnetic field direction of the magnetic system composed of the magnetic devices in the smart terminal and the accessory device is as follows: Fig. 9 As shown in b), the magnetic conductive unit 320 inside the magnetic device guides the magnetic field formed by the magnetic unit 310 to select a path with smaller magnetic resistance, thereby forming a closed magnetic loop. The magnetic conductive unit 320 is used to guide the magnetic field path of the magnetic unit 310 during adsorption, thereby reducing magnetic leakage or overflow, thereby achieving the weakening of the magnetic field radiated to the surroundings or inside of the magnetic device, reducing interference with energy transmission during wireless charging or adsorption, and reducing the impact on magnetic sensitive devices inside the device; secondly, the magnetic adsorption force is maintained on the basis of reducing the impact of the magnet on other sensitive devices inside the smart terminal or charging device.

[0130] Third embodiment

[0131] The magnetic attraction unit 310 includes at least one first magnet 311 and at least one second magnet 312. The first magnet 311 and the second magnet 312 are arranged adjacent to each other or spaced apart. The internal magnetic field direction of the first magnet 311 is parallel to the first direction, and the internal magnetic field direction of the second magnet 312 is parallel to the second direction.

[0132] like Fig.13 As shown, Fig.13A top view of the structure of a magnetic device provided in one embodiment of the present application. The magnetic device includes a magnetic unit 310 and a magnetic conductive unit 320 arranged adjacent to each other, wherein the magnetic unit 310 includes at least one first magnet 311 and at least one second magnet 312, the first magnet 311 and the second magnet 312 are arranged adjacent to each other, the internal magnetic field direction of the first magnet 311 is parallel to the first direction, and the internal magnetic field direction of the second magnet 312 is parallel to the second direction. The first direction is perpendicular to the plane where the magnetic device is located, and the second direction is the radial direction of the magnetic device. The first magnet 311 includes a first component 3111 and a second component 3112, the first component 3111 and the second component 3112 are stacked along the second direction, the internal magnetic field direction of the first component 3111 and the second component 3112 is parallel to the first direction, and the internal magnetic field directions of the first component 3111 and the second component 3112 are opposite. The upper end of the first component 3111 (the end facing us) is an S pole, and the lower end of the first component 3111 (the end facing away from us) is an N pole; the upper end of the second component 3112 (the end facing us) is an N pole, and the lower end of the second component 3112 (the end facing away from us) is an S pole. In other embodiments, the upper end of the first component 3111 (the end facing us) is an N pole, and the lower end of the first component 3111 (the end facing away from us) is an S pole; the upper end of the second component 3112 (the end facing us) is an S pole, and the lower end of the second component 3112 (the end facing away from us) is an N pole. Optionally, a magnetic isolation member 313 ( Fig.13 The direction of the internal magnetic field of the second magnet 312 is from the outside of the magnetic device to the center of the magnetic device or from the center of the magnetic device to the outside of the magnetic device. The present application does not limit the number of the first magnet 311 and the second magnet 312.

[0133] Fig.14 A top view of a magnetic attraction device structure provided in another embodiment of the present application is shown in FIG. Fig.14As shown, the magnetic device includes a magnetic unit 310 and a magnetic conductive unit 320 arranged adjacent to each other, wherein the magnetic unit 310 includes at least one first magnet 311 and at least one second magnet 312, and the first magnet 311 and the second magnet 312 are arranged at intervals, that is, there is a magnetic conductive unit 320 between the first magnet 311 and the second magnet 312. The direction of the internal magnetic field of the first magnet 311 is parallel to the first direction, and the direction of the internal magnetic field of the second magnet 312 is parallel to the second direction. The first direction is perpendicular to the plane where the magnetic device is located, and the second direction is the radial direction of the magnetic device. The first magnet 311 includes a first component 3111 and a second component 3112, and the first component 3111 and the second component 3112 are stacked along the second direction, and the direction of the internal magnetic field of the first component 3111 and the second component 3112 is parallel to the first direction, and the directions of the internal magnetic fields of the first component 3111 and the second component 3112 are opposite. The upper end of the first component 3111 (the end facing us) is an S pole, and the lower end of the first component 3111 (the end facing away from us) is an N pole; the upper end of the second component 3112 (the end facing us) is an N pole, and the lower end of the second component 3112 (the end facing away from us) is an S pole. In other embodiments, the upper end of the first component 3111 (the end facing us) is an N pole, and the lower end of the first component 3111 (the end facing away from us) is an S pole; the upper end of the second component 3112 (the end facing us) is an S pole, and the lower end of the second component 3112 (the end facing away from us) is an N pole. Optionally, a magnetic isolation member 313 ( Fig.13 The direction of the internal magnetic field of the second magnet 312 is from the outside of the magnetic device to the center of the magnetic device or from the center of the magnetic device to the outside of the magnetic device. The present application does not limit the number of the first magnet 311 and the second magnet 312.

[0134] The present application also provides a charging module, which includes a charging coil and the above-mentioned magnetic attraction device, and the charging coil can be located inside or outside the magnetic attraction device. Optionally, the charging coil includes an NFC coil, an FPC coil, a winding coil, a laser / etched coil, and a stamped coil.

[0135] Optionally, the shape of the charging coil is as follows Fig.17 As shown, Fig.17 A schematic diagram of the shape of a charging coil provided in one embodiment of the present application. Fig.17 The shapes listed in the example may also be other shapes, which are not limited in this application. The charging coil may be located inside or outside the magnetic device, and the shape of the magnetic device may be Fig.17 The shapes listed as examples may also be other shapes.

[0136] The present application also provides a smart terminal, including the magnetic device as described above; or, including the charging module as described above. Optionally, the smart terminal also includes a charging coil, and the magnetic device is configured to match the charging coil of the smart terminal with the charging coil of the accessory device. Optionally, the smart terminal also includes an NFC coil, and the NFC coil is located inside or outside the magnetic device.

[0137] The present application also provides an accessory device, including the magnetic device as described above; or, including the charging module as described above. Optionally, the accessory device also includes a charging coil, and the magnetic device is configured to match the charging coil of the smart terminal with the charging coil of the accessory device. Optionally, the accessory device also includes an NFC coil, and the NFC coil is located inside or outside the magnetic device. Optionally, the accessory device can be a charging device, or a card wallet type accessory.

[0138] The present application also provides a magnetic attraction system, including a smart terminal and accessory equipment. Fig.15 As shown, Fig.15 This is an axial cross-sectional view of a magnetic attraction system provided by an embodiment of the present application. Fig.13 The magnetic device in the accessories equipment adopts Figure 8 a) of the magnetic device; or, the smart terminal uses Figure 8 The magnetic device in a) is used as an accessory device. Fig.13 When the smart terminal and the accessory device are adsorbed, the magnetic field direction of the magnetic system composed of the magnetic devices in the smart terminal and the accessory device is as follows: Fig.15 As shown, the magnetic unit 310 has two magnets with magnetic field directions, so when the smart terminal and the accessory device are adsorbed, the axial cross-sectional view of the magnetic system has two states: state 1 and state 2, where state 1 corresponds to the adsorption of the second magnet 312 in the magnetic unit 310, and state 2 corresponds to the adsorption of the first magnet 311 in the magnetic unit 310. The magnetic conductive unit 320 inside the magnetic device guides the magnetic field formed by the magnetic unit 310 to select a path with smaller magnetic resistance, thereby forming a closed magnetic loop. The magnetic conductive unit 320 is used to guide the magnetic field path of the magnetic unit 310 during adsorption to reduce magnetic leakage or overflow, thereby achieving the weakening of the magnetic field radiated to the surrounding or inner side by the magnetic device, reducing interference with energy transmission during wireless charging or adsorption, and reducing the impact on magnetic sensitive devices inside the device; secondly, on the basis of reducing the impact of the magnet on other sensitive devices inside the smart terminal or charging device, the magnetic adsorption force is maintained.

[0139] like Fig.16 As shown, Fig.16 This is an axial cross-sectional view of a magnetic attraction system provided by an embodiment of the present application. Fig.14 The magnetic device in the accessories equipment adopts Figure 8b) of the magnetic device; or, the smart terminal uses Figure 8 The magnetic device in b) is used as an accessory device. Fig.14 When the smart terminal and the accessory device are adsorbed, the magnetic field direction of the magnetic system composed of the magnetic devices in the smart terminal and the accessory device is as follows: Fig.16 As shown, the magnetic unit 310 has two magnets with magnetic field directions, so when the smart terminal and the accessory device are adsorbed, the axial cross-sectional view of the magnetic system has two states: state 1 and state 2, where state 1 corresponds to the adsorption of the second magnet 312 in the magnetic unit 310, and state 2 corresponds to the adsorption of the first magnet 311 in the magnetic unit 310. The magnetic conductive unit 320 inside the magnetic device guides the magnetic field formed by the magnetic unit 310 to select a path with smaller magnetic resistance, thereby forming a closed magnetic loop. The magnetic conductive unit 320 is used to guide the magnetic field path of the magnetic unit 310 during adsorption to reduce magnetic leakage or overflow, thereby achieving the weakening of the magnetic field radiated to the surrounding or inner side by the magnetic device, reducing interference with energy transmission during wireless charging or adsorption, and reducing the impact on magnetic sensitive devices inside the device; secondly, on the basis of reducing the impact of the magnet on other sensitive devices inside the smart terminal or charging device, the magnetic adsorption force is maintained.

[0140] 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.

[0141] 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.

[0142] The steps in the method of the embodiment of the present application can be adjusted in order, combined and deleted according to actual needs.

[0143] The units in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.

[0144] 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.

[0145] 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.

[0146] 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.

[0147] Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus a necessary general hardware platform, and of course by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present application, or the part that contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) as above, and includes a number of instructions for a terminal device (which can be a mobile phone, a computer, a server, a controlled terminal, or a network device, etc.) to execute the method of each embodiment of the present application.

[0148] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented using software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loading and executing computer program instructions on a computer, the process or function according to the embodiment of the present application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. Computer instructions can be stored in a storage medium, or transmitted from one storage medium to another storage medium. For example, computer instructions can be transmitted from a website site, computer, server or data center to another website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line) or wireless (e.g., infrared, wireless, microwave, etc.) mode. The storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that includes one or more available media integration. Available media can be magnetic media, (e.g., floppy disk, storage disk, tape), optical media (e.g., DVD), or semiconductor media (e.g., solid-state storage disk Solid State Disk (SSD)), etc.

[0149] 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 a magnetic attraction unit and a magnetic conductive unit which are arranged adjacently; The magnetic conductive unit is used to guide the magnetic field loop formed by the magnetic attraction unit to select a path with smaller magnetic resistance.

2. The magnetic attraction device according to claim 1, characterized in that: The magnetic conductive unit includes at least one ferromagnet and / or at least one ferrimagnet.

3. The magnetic attraction device according to claim 1, characterized in that: The magnetic attraction device further includes a first magnetic isolation component and a second magnetic isolation component. The first magnetic isolation component and / or the second magnetic isolation component are arranged on the periphery of the magnetic attraction unit and the magnetic conductive unit.

4. The magnetic attraction device according to claim 1, characterized in that: The magnetic attraction unit includes at least one magnet; The direction of the internal magnetic field of the magnet in the magnetic attraction unit is parallel to the first direction or the second direction; 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.

5. The magnetic attraction device according to claim 4, characterized in that: At least two magnets in the magnetic attraction unit are stacked along the second direction, and the internal magnetic field directions of the at least two magnets are parallel to the first direction; and / or, The magnetic attraction unit includes at least one first magnet and at least one second magnet, the first magnet and the second magnet are arranged adjacent to each other or spaced apart, the internal magnetic field direction of the first magnet is parallel to the first direction, and the internal magnetic field direction of the second magnet is parallel to the second direction.

6. The magnetic attraction device according to claim 5, characterized in that: The magnetic attraction unit further includes a magnetic isolation member, and the magnetic isolation member is located between two magnets stacked along the second direction.

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 6.

8. An intelligent terminal, characterized in that: It comprises the magnetic attraction device as claimed in any one of claims 1 to 6; or, it comprises the charging module as claimed in claim 7.

9. An accessory device, characterized in that: comprising a magnetic attraction device as claimed in any one of claims 1 to 6; or, Comprising the charging module as claimed in claim 7.

10. A magnetic attraction system, characterized in that: comprising the intelligent terminal and accessory device as claimed in claim 8; or, It comprises the accessory device and the intelligent terminal as claimed in claim 9.

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