Magnetic connection structure, magnetic connector and wireless charger

Abstract

The utility model relates to the technical field of wireless charging, and provides a magnetic connection structure, a magnetic connector and a wireless charger, the magnetic connection structure comprises a first magnet, a second magnet and a main shell, the first magnet and the second magnet are respectively arranged on the upper side and the lower side of the main shell; the first magnet is used for attracting an external device, and the second magnet attracts a support to be connected, so that the device is connected to the support. The wireless charger with the transmitting end is not limited to be only used for charging, and is connected to other equipment, such as a vehicle-mounted bracket, so that the application scene of the wireless charger is improved, and the applicability of the wireless charger is higher.

Description

Technical Field

[0001] This application relates to the field of wireless charging technology, and in particular to a magnetic connection structure, a magnetic connector and a wireless charger. Background Technology

[0002] Wireless charging technology is a technology that uses electromagnetic fields to charge electronic devices in a non-contact manner. It primarily relies on principles such as electromagnetic induction and magnetic resonance to achieve wireless power transmission. A double-sided magnetic wireless charger is a charging device that combines magnetic technology and wireless charging functionality. By placing magnets inside the charger, it uses magnetic force to tightly attract the charging transmitter and the receiving end of the device being charged, ensuring precise alignment of their coils and improving charging efficiency. However, it has at least the following problems: when the charging transmitter and receiver are aligned, the charging transmitter cannot be connected to other supports, such as car mounts, requiring the user to hold the charger constantly, which is inconvenient. Its application scenarios are limited, and its applicability and practicality are low.

[0003] Therefore, how to design the charging transmitter of a wireless charger to simultaneously attach to both the charging receiver and the transmitter, so that the wireless charger can be fixed to an external device while charging, thereby improving the practicality and charging efficiency of the wireless charger, has become an urgent technical problem to be solved. Utility Model Content

[0004] In view of this, the main objective of this application is to provide a magnetic connection structure, a magnetic connector, and a wireless charger to address the technical problem of improving the practicality and charging efficiency of wireless chargers.

[0005] To achieve the above objectives, in a first aspect, this application provides a magnetic connection structure, including a first magnet, a second magnet, and a main housing, wherein the first magnet and the second magnet are respectively disposed on the upper and lower sides of the main housing;

[0006] The first magnet is used to attract external devices, and the second magnet attracts the bracket to be connected, thereby connecting the device to the bracket.

[0007] Optionally, the shape of the first magnet includes one of the following: ring, C-shape, U-shape, rectangle, triangle, circle, and arc; the shape of the second magnet includes one of the following: ring, C-shape, U-shape, rectangle, triangle, circle, and arc.

[0008] Optionally, the magnetization direction of the first magnet is radial magnetization, and the inner and outer magnetic poles of the first magnet are the S pole and the N pole, respectively.

[0009] The first magnet is integrally arranged, or the first magnet comprises a plurality of first sub-magnets, and adjacent first sub-magnets are arranged at intervals.

[0010] Optionally, the second magnet is arranged below the first magnet.

[0011] The magnetization direction of the second magnet is radial magnetization, and the magnetic poles of the inner side and the outer side of the second magnet are N pole and S pole respectively.

[0012] The second magnet is integrally arranged, or the second magnet comprises a plurality of second sub-magnets, and adjacent second sub-magnets are arranged at intervals.

[0013] Optionally, a magnetic separation sheet is further included, which is attached to one side of the first magnet close to the second magnet and / or one side of the second magnet close to the first magnet.

[0014] Optionally, the first magnet and the second magnet are arranged on the upper and lower sides of the main shell respectively.

[0015] The main shell comprises a support frame, an upper cover and a bottom shell, and the upper cover is fastened to the upper part of the bottom shell.

[0016] The upper part of the support frame is provided with a first magnet limiting groove, and the first magnet is clamped in the first magnet limiting groove.

[0017] The inner bottom of the bottom shell is provided with a second magnet limiting groove, and the second magnet is clamped in the second magnet limiting groove.

[0018] In a second aspect, the application provides a magnetic connection structure for wireless charging, comprising a first magnet, a second magnet and a main shell, and the first magnet and the second magnet are arranged on the upper and lower sides of the main shell respectively.

[0019] Further comprising a charging coil, the first magnet is used to attract an external device to be charged, and the second magnet attracts a support to be connected, so that the device to be charged is connected to the support and performs wireless charging.

[0020] Optionally, the shape of the first magnet comprises one of a ring, a C shape, a U shape, a rectangle, a triangle, a circle and an arc, and the shape of the second magnet comprises one of a ring, a C shape, a U shape, a rectangle, a triangle, a circle and an arc.

[0021] Optionally, the magnetization direction of the first magnet is radial magnetization, and the magnetic poles of the inner side and the outer side of the first magnet are S pole and N pole respectively.

[0022] The first magnet is integrally arranged, or the first magnet comprises a plurality of first sub-magnets, and adjacent first sub-magnets are arranged at intervals.

[0023] Optionally, the second magnet is arranged below the first magnet.

[0024] The magnetization direction of the second magnet is radial magnetization, and the inner side and the outer side of the second magnet are N-pole and S-pole, respectively.

[0025] The second magnet is arranged integrally, or the second magnet includes a plurality of second sub-magnets, and adjacent second sub-magnets are arranged with a spacing therebetween.

[0026] Optionally, a magnetic separation sheet is further included, and the magnetic separation sheet is attached to one side of the first magnet close to the second magnet and / or one side of the second magnet close to the first magnet.

[0027] Optionally, the first magnet and the second magnet are arranged on the upper and lower sides of the main housing, respectively.

[0028] The main housing includes a support frame, an upper cover, and a bottom shell, and the upper cover is fastened to the upper portion of the bottom shell.

[0029] The upper portion of the support frame is provided with a first magnet limiting groove, and the first magnet is clamped in the first magnet limiting groove.

[0030] The inner bottom portion of the bottom shell is provided with a second magnet limiting groove, and the second magnet is clamped in the second magnet limiting groove.

[0031] Optionally, the first magnet is arranged along the outer periphery of the charging coil and is arranged with a spacing.

[0032] In a third aspect, the present application provides a wireless charger, including a charging transmitting end, the charging transmitting end is used for connecting with a charging receiving end of a device to be charged, the charging transmitting end includes the magnetic connection structure for wireless charging disclosed in the second aspect, and further includes a main control circuit board and a power supply.

[0033] The charging coil is electrically connected with the main control circuit board and the power supply, so that the charging transmitting end charges the charging receiving end.

[0034] The charging transmitting end attracts a connection transmitting end of a connection support to be connected to the connection transmitting end.

[0035] In a fourth aspect, the present application provides a magnetic connector, including the magnetic connection structure disclosed in the first aspect, and further including a third magnet of a connection support to be connected and a fourth magnet of a device to be connected, the second magnet attracts the third magnet to make the magnetic connector connected to the connection support to be connected, and the first magnet attracts the fourth magnet to make the magnetic connector connected to the device to be connected.

[0036] The technical scheme provided in the application comprises the following steps: a transmitting end with magnetic attraction function is arranged in a wireless charger; a first magnet is arranged to attract a device to be charged and charge the device to be charged through a coil; and a second magnet is arranged to attract other devices with a transmitting end, such as a support, a power bank, a wireless charging device and the like, so that the wireless charger can be fixed on the other devices during charging, and the wireless charger with the transmitting end can be used not only for charging, but also for connecting other devices, such as a vehicle support, to increase the application scenarios, thereby improving the applicability of the wireless charger. BRIEF DESCRIPTION OF DRAWINGS

[0037] One or more embodiments are illustrated by way of example with reference to the accompanying drawings, which are schematic and not intended to be limiting of the embodiments, and in which like reference numerals designate similar elements in the figures and wherein the use of "for example", "e.g.", "of the example", "for instance", "e.g." and "in an example" herein indicates that various embodiments can comprise similar features, but that not all embodiments necessarily comprise the specific feature (s) or method steps. In the drawings:

[0038] Figure 1 One of the structural schematic diagrams of the wireless charger or the magnetic connector disclosed in one or more embodiments of the application;

[0039] Figure 2 The second structural schematic diagram of the wireless charger or the magnetic connector disclosed in one or more embodiments of the application;

[0040] Figure 3 The structural cross-sectional schematic diagram of the wireless charger or the magnetic connector disclosed in one or more embodiments of the application;

[0041] Figure 4 The structural schematic diagram of the main shell disclosed in one or more embodiments of the application;

[0042] Figure 5 The structural schematic diagram of the first magnet disclosed in one or more embodiments of the application;

[0043] Figure 6 The magnetic pole schematic diagram of the first magnet disclosed in one or more embodiments of the application;

[0044] Figure 7 The structural schematic diagram of the second magnet disclosed in one or more embodiments of the application;

[0045] Figure 8 The magnetic pole schematic diagram of the second magnet disclosed in one or more embodiments of the application;

[0046] Figure 9 The structural schematic diagram of the first magnet, the second magnet and the magnetic isolation sheet disclosed in one or more embodiments of the application;

[0047] Figure 10One of the structural schematic diagrams of the first magnet, the second magnet, the charging coil and the magnetic isolation sheet disclosed for one or more embodiments of the present application;

[0048] Figure 11 One of the structural schematic diagrams of the first magnet, the second magnet, the charging coil and the magnetic isolation sheet disclosed for one or more embodiments of the present application;

[0049] Figure 12 One of the structural schematic diagrams of the magnetic connector or the wireless charger without the first magnet and the second magnet disclosed for one or more embodiments of the present application;

[0050] Figure 13 One of the structural schematic diagrams of the magnetic connector or the wireless charger without the first magnet and the second magnet disclosed for one or more embodiments of the present application;

[0051] Figure 14 One of the structural schematic diagrams of the magnetic connector or the wireless charger without the first magnet and the second magnet disclosed for one or more embodiments of the present application;

[0052] Figure 15 One of the structural schematic diagrams of the magnetic connector or the wireless charger without the first magnet and the second magnet disclosed for one or more embodiments of the present application;

[0053] In the figure: 01 - charging transmitting end; 02 - charging receiving end; 03 - connecting transmitting end; 1 - first magnet; 11 - first sub-magnet; 2 - second magnet; 21 - second sub-magnet; 3 - charging coil; 4 - magnetic isolation sheet; 5 - main shell; 51 - support frame; 511 - first magnet limiting groove; 512 - coil placing groove; 513 - connecting through groove; 514 - limiting wall; 5141 - limiting clamping convex; 515 - fixed through hole; 52 - upper cover; 53 - bottom shell; 531 - second magnet limiting groove; 532 - limiting clamping groove; 533 - limiting hole column; 6 - main control circuit board; 7 - third magnet; 8 - fourth magnet. DETAILED DESCRIPTION

[0054] For the purpose of promoting the understanding of the present application, the present application will be described in further detail below with reference to the drawings and specific embodiments. It needs to be noted that when an element is described as "fixed to" another element, it can be directly on the other element or one or more intermediate elements can be present therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element or one or more intermediate elements can be present therebetween. The terms "vertical", "horizontal", "left", "right", "inner", "outer" and similar expressions used in the present specification are for the purpose of illustration only. In the description of the present application, the terms "first", "second" are used only for the purpose of description and should not be understood as indicating relative importance or implying a specified number of the technical features indicated. Therefore, unless otherwise specified, the features defined with "first", "second" can explicitly or implicitly include one or more of the features; the meaning of "plurality" is two or more. The term "comprising" and any variation thereof means non-exclusive inclusion, and one or more other features, integers, steps, operations, units, components and / or combinations thereof can be present or added.

[0055] In addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or internal communication of two elements. All technical and scientific terms used in the present specification have the same meaning as understood by those skilled in the art to which the present application belongs. The terms used in the description of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used in the present specification includes any and all combinations of one or more related listed items.

[0056] In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0057] Embodiment one

[0058] The embodiment of the present application provides a magnetic connection structure, please refer to the attached Figures 1-15 , wherein the attached Figure 1 is a structural diagram of a magnetic connection structure, specifically, comprising a first magnet 1, a second magnet 2 and a main shell 5, the first magnet 1 and the second magnet 2 are arranged on the upper and lower sides of the main shell 5 respectively;

[0059] The first magnet 1 is used to attract external devices, and the second magnet 2 attracts the support to be connected, so that the device is connected to the support.

[0060] Specifically, the external device includes a mobile phone, a wireless earphone, a power bank, a sports watch, and other electronic devices internally provided with a magnet, or a combination of the above devices provided with a magnetic magnetically attracted shell, a magnetically attracted sticker, and the like, so that the external device is connected to the first magnet 1 through the magnet; the support to be connected includes a fixed support, a charging support, and the like, such as a vehicle-mounted support, a mobile phone support, a tablet support, a wireless charging support, a support for photography, and the like.

[0061] In some embodiments, the shape of the first magnet 1 includes one of a ring shape, a C shape, a U shape, a rectangular shape, a triangular shape, a circular shape, and an arc shape; the shape of the second magnet 2 includes one of a ring shape, a C shape, a U shape, a rectangular shape, a triangular shape, a circular shape, and an arc shape.

[0062] Specifically, the shape of the first magnet 1 can be a ring shape, such as a circular ring shape, and can be a C shape, a U shape, a hexagonal shape, a rectangular shape, a triangular shape, a circular shape, or an arc shape, and the specific shape is adapted to the shape of the magnet of the device to be charged.

[0063] In some embodiments, the magnetization direction of the first magnet 1 is radial magnetization, and the magnetic poles of the inner side and the outer side of the first magnet 1 are S poles and N poles, respectively.

[0064] The first magnet 1 is integrally provided, or the first magnet 1 includes a plurality of first sub-magnets 11, and adjacent first sub-magnets 11 are spaced apart.

[0065] Specifically, the first magnet 1 is formed by combining a plurality of first sub-magnets 11, which facilitates assembly; each first sub-magnet 11 has an S pole on the inner side and an N pole on the outer side, adjacent first sub-magnets 11 are in a repelling state, and adjacent first sub-magnets 11 are spaced apart, which reserves a repelling space, facilitates assembly, and the arrangement of the first magnet 1 is determined according to specific production requirements and the shape of the magnet of the device to be charged; the first magnet 1 is formed by combining a plurality of first sub-magnets 11 to adapt to the size of the charging receiving end of an Apple mobile phone.

[0066] Specifically, the size of the first magnet 1 has an inner diameter of 42-48 mm and an outer diameter of 52-58 mm, wherein the region with a diameter close to 50 mm of the first magnet 1 is a non-magnetic region; the size of the first magnet 1 is used in cooperation with other products with opposite magnetism, such as magsafe products with opposite magnetism and the charging receiving end of an Apple mobile phone.

[0067] In some embodiments, the second magnet 2 is arranged below the first magnet 1.

[0068] The magnetization direction of the second magnet 2 is radial magnetization, and the magnetic poles of the inner side and the outer side of the second magnet 2 are N poles and S poles, respectively.

[0069] The second magnet 2 is integrally arranged, or the second magnet 2 comprises a plurality of second sub-magnets 21, and adjacent second sub-magnets 21 are arranged at intervals.

[0070] Specifically, the second magnet 2 is combined by a plurality of second sub-magnets 21, facilitating assembly; each second sub-magnet 21 has an N-pole on the inner side and an S-pole on the outer side, and adjacent second sub-magnets 21 are in a repelling state; the second sub-magnets 21 are arranged at intervals, thereby reserving a space for repelling, facilitating assembly; and the arrangement mode of the second sub-magnets 21 is determined according to specific production requirements and the shape of the magnet of the device to be connected.

[0071] Specifically, the size of the second magnet 2 is an inner diameter of 42 mm-48 mm and an outer diameter of 52 mm-58 mm, and the region with a diameter close to 50 mm of the second magnet 2 is a non-magnetic region.

[0072] In some embodiments, the magnetic isolation sheet 4 is further arranged, and the magnetic isolation sheet 4 is arranged on the side of the first magnet 1 close to the second magnet 2.

[0073] The magnetic isolation sheet 4 can also be arranged on the side of the first magnet 1 close to the second magnet 2 and the side of the second magnet 2 close to the first magnet 1.

[0074] The magnetic isolation sheet 4 can also be arranged only on the side of the second magnet 2 close to the first magnet 1.

[0075] The shape of the magnetic isolation sheet 4 is adapted to the shape of the first magnet 1 and the second magnet 2, and needs to cover the side of the first magnet 1 and the second magnet 2 close to each other, so as to isolate the magnetic field between the first magnet 1 and the second magnet 2, prevent the attenuation interference of the metal conductor on the magnetic field, play a metal isolation role, and avoid energy waste; ensure the stability of the charging process; enhance the magnetic field strength of the wireless charging coil 3, thereby improving the charging efficiency and stability; reduce the loss of the magnetic field in the transmission process, and the magnetic isolation sheet 4 helps to deliver more energy to the receiving end, thereby improving the overall wireless charging efficiency.

[0076] In some embodiments, the first magnet 1 and the second magnet 2 are arranged on the upper and lower sides of the main shell 5 respectively.

[0077] The main shell 5 comprises a support frame 51, an upper cover 52 and a bottom shell 53, and the upper cover 52 is buckled on the upper part of the bottom shell 53.

[0078] The upper part of the support frame 51 is provided with a first magnet limiting groove 511, and the first magnet 1 is clamped in the first magnet limiting groove 511.

[0079] The inner bottom of the bottom shell 53 is provided with a second magnet limiting groove 531, and the second magnet is clamped in the second magnet limiting groove 531.

[0080] In some embodiments, the first magnet limiting groove 511 is annularly arranged, and the first magnet limiting groove 511 is arranged on the outer circumferential side of the upper portion of the support frame 51; the second magnet limiting groove 531 is annularly arranged, and the second magnet limiting groove 531 is arranged on the outer circumferential side of the bottom of the inner bottom of the bottom shell 53;

[0081] In some embodiments, the support frame 51 is further provided with a coil placement groove 512, the coil placement groove 512 is arranged on the inner circumferential side of the first magnet limiting groove 511, and the coil placement groove 512 is separated from the first magnet limiting groove 511 by a separation groove wall; the charging coil 3 is placed in the coil placement groove 512 and is separated from the first magnet 1 by the separation groove wall, preventing the attenuation interference of the metal conductor on the magnetic field, playing a metal isolation role and avoiding energy waste.

[0082] Specifically, the support frame 51 is composed of plastic, metal or other formable materials, plays a role in fixing the first magnet 1 and the charging coil 3 in the main shell 5, and also plays a role in isolating the magnetic field interference between the first magnet 1 and the second magnet 2.

[0083] Specifically, the second magnet 2 is arranged on the bottom of the inner bottom of the bottom shell 53, so that the second magnet 2 can be connected to the external support to be connected at a position away from the first magnet 1, reducing the magnetic field interference between the first magnet 1 and the second magnet 2, and at the same time allowing the magnetic connection structure to be connected to the external support on one side and connected to the external device on the other side, thereby increasing the application scenario and making the wireless charger more applicable and suitable.

[0084] Embodiment two

[0085] The application provides a magnetic connection structure for wireless charging, please refer to the attached Figures 1-15 , wherein the attached Figure 1 is a structural diagram of a magnetic connection structure for wireless charging, specifically including a first magnet 1, a second magnet 2 and a main shell 5, the first magnet 1 and the second magnet 2 are arranged on the upper and lower sides of the main shell 5 respectively;

[0086] Further including a charging coil 3, the first magnet 1 is used to attract an external device to be charged, and the second magnet 2 attracts a support to be connected, so that the device to be charged is connected to the support and is wirelessly charged.

[0087] Specifically, the external device to be charged includes a mobile phone, a wireless earphone, a power bank, a sports watch and other electronic devices with a magnet arranged inside, or a combination of the above devices with a magnetic magnetism shell, a magnetic paste, etc., so that the external device is connected to the first magnet 1 through the magnet; the support to be connected includes a fixed support, a charging support, etc., such as a vehicle-mounted support, a mobile phone support, a tablet support, a wireless charging support, a photographic support and other support devices for fixing the device to be charged.

[0088] By setting a magnetic connection structure for wireless charging in the wireless charger, the first magnet 1 adsorbs the device to be charged and charges through the charging coil 3, and the second magnet 2 adsorbs other devices with a transmitting end outside, including but not limited to a support, a power bank, a wireless charging device, etc., so that the wireless charger can be fixed on the external device during charging, and at the same time, the wireless charger with a transmitting end is not limited to only charging use, but also connected to other devices, such as a car support, to increase its application scenarios, thereby making the wireless charger more applicable and applicable.

[0089] In some embodiments, the shape of the first magnet 1 includes one of a ring shape, a C shape, a U shape, a rectangular shape, a triangular shape, a circular shape, and an arc shape; and the shape of the second magnet 2 includes one of a ring shape, a C shape, a U shape, a rectangular shape, a triangular shape, a circular shape, and an arc shape.

[0090] Specifically, the shape of the first magnet 1 can be a ring shape, such as a circular ring shape, and can be a C shape, a U shape, a hexagonal shape, a rectangular shape, a triangular shape, a circular shape, or an arc shape, and the specific shape is adapted to the magnet shape of the device to be charged.

[0091] In some embodiments, the magnetization direction of the first magnet 1 is radial magnetization, and the magnetic poles of the inner side and the outer side of the first magnet 1 are S poles and N poles, respectively.

[0092] The first magnet 1 is integrally provided, or the first magnet 1 includes a plurality of first sub-magnets 11, and adjacent first sub-magnets 11 are provided with a spacing.

[0093] Specifically, the first magnet 1 is combined into shape by a plurality of first sub-magnets 11, which is convenient for assembly; each first sub-magnet 11 has an S pole on the inner side and an N pole on the outer side, and adjacent first sub-magnets 11 are in a repelling state, and the spacing between adjacent first sub-magnets 11 leaves a repelling space, which is convenient for assembly. The specific arrangement of the first magnet 1 is determined according to the specific production requirements and the magnet shape of the device to be charged; the first magnet 1 is combined into shape by a plurality of first sub-magnets 11 to adapt to the size of the charging receiving end of the Apple iPhone.

[0094] Specifically, the size of the first magnet 1 has an inner diameter of 42-48 mm and an outer diameter of 52-58 mm, wherein the region with a diameter close to 50 mm of the first magnet 1 is a non-magnetic region; the size of the first magnet 1 is used in cooperation with other products with opposite magnetism, such as magsafe products with opposite magnetism and the charging receiving end of the Apple iPhone.

[0095] In some embodiments, the second magnet 2 is arranged below the first magnet 1.

[0096] The magnetizing direction of the second magnet 2 is radial magnetization, and the magnetic poles of the inner side and the outer side of the second magnet 2 are N pole and S pole respectively;

[0097] The second magnet 2 is integrally arranged, or the second magnet 2 comprises a plurality of second sub-magnets 21, and adjacent second sub-magnets 21 are arranged at intervals.

[0098] Specifically, the second magnet 2 is combined into shape by a plurality of second sub-magnets 21, which is convenient for assembly; each second sub-magnet 21 has N pole on the inner side and S pole on the outer side, and adjacent second sub-magnets 21 are in repelling state, and the interval arrangement between adjacent second sub-magnets 21 reserves the space for repelling, which is convenient for assembly. The arrangement mode of the second sub-magnet 21 is determined according to the specific production requirements and the shape of the magnet of the device to be connected.

[0099] In some embodiments, a magnetic separation sheet 4 is further included, which is attached to one side of the first magnet 1 close to the second magnet 2 and one side of the second magnet 2 close to the first magnet 1.

[0100] The shape of the magnetic separation sheet 4 is adapted to the shape of the first magnet 1 and the second magnet 2, and needs to cover the side of the first magnet 1 and the second magnet 2 close to each other, which is used to isolate the magnetic field between the first magnet 1 and the second magnet 2, prevent the attenuation interference of the metal conductor to the magnetic field, play the role of metal isolation, avoid energy waste; ensure the stability of the charging process; enhance the magnetic field strength of the wireless charging coil 3, thereby improving the charging efficiency and stability; reduce the loss of the magnetic field in the transmission process, and the magnetic separation sheet 4 helps to transfer more energy to the receiving end, thereby improving the overall wireless charging efficiency.

[0101] In some embodiments, the first magnet 1 and the second magnet 2 are arranged on the upper and lower sides of the main shell 5 respectively:

[0102] The main shell 5 comprises a support frame 51, an upper cover 52 and a bottom shell 53, and the upper cover 52 is buckled on the upper part of the bottom shell 53.

[0103] The upper part of the support frame 51 is provided with a first magnet limiting groove 511, and the first magnet 1 is clamped in the first magnet limiting groove 511.

[0104] The inner bottom of the bottom shell 53 is provided with a second magnet limiting groove 531, and the second magnet is clamped in the second magnet limiting groove 531.

[0105] In some embodiments, the first magnet limiting groove 511 is annularly arranged, and the first magnet limiting groove 511 is arranged on the outer circumferential side of the upper part of the support frame 51; the second magnet limiting groove 531 is annularly arranged, and the second magnet limiting groove 531 is arranged on the outer circumferential side of the bottom of the inner bottom of the bottom shell 53.

[0106] In some embodiments, the first magnets 1 are arranged along the outer periphery of the charging coil 3 and are spaced apart, and in particular, the charging coil 3 is located inside the inner side of the first magnets 1.

[0107] In some embodiments, the support frame 51 is further provided with a coil placement groove 512, which is arranged at the inner periphery side of the first magnet limiting groove 511, and the coil placement groove 512 and the first magnet limiting groove 511 are separated by a separation groove wall; the charging coil 3 is placed in the coil placement groove 512 and is separated from the first magnet 1 by the separation groove wall, preventing the attenuation interference of the metal conductor on the magnetic field, playing a metal isolation role and avoiding energy waste.

[0108] In particular, the support frame 51 is made of plastic, metal or other formable materials, which plays a role in fixing the first magnet 1 and the charging coil 3 in the main housing 5, and also plays a role in isolating the magnetic field interference between the first magnet 1 and the second magnet 2.

[0109] In particular, the second magnet 2 is arranged at the bottom inside the bottom shell 53, so that the second magnet 2 can be connected to the external support to be connected at a position away from the first magnet 1, reducing the magnetic field interference between the first magnet 1 and the second magnet 2, and at the same time allowing the magnetic connection structure to be connected to the external support on one side and connected to the external device on the other side, thereby increasing the application scenario and making the wireless charger more applicable and applicable.

[0110] Embodiment three

[0111] The embodiments of the present application provide a wireless charger, please refer to the accompanying Figures 1-15 , the accompanying Figure 2 is a structural schematic diagram of a wireless charger according to the embodiments, in particular, including a charging transmitting end 01, the charging transmitting end 01 is used for being connected with a charging receiving end 02 of a device to be charged, the charging transmitting end 01 includes the magnetic connection structure disclosed in the above-mentioned embodiment one or the magnetic connection structure for charging disclosed in the above-mentioned embodiment two, and further includes a main control circuit board 6.

[0112] The charging coil 3 is electrically connected with the main control circuit board 6, so that the charging transmitting end 01 charges the charging receiving end 02; the charging coil 3 and the main control circuit board 6 are electrically connected with an external power supply, or the wireless charger is internally provided with a power supply.

[0113] The charging transmitting end 01 attracts a connection transmitting end 03 of a support to be connected to the connection transmitting end 03.

[0114] In some embodiments, please refer to the accompanying Figure 4The support frame 51 is provided with a connecting through slot 513, and the main control circuit board 6 is arranged at the bottom of the support frame 51, and the charging coil 3 is connected to the main control circuit board 6 through the connecting through slot 513.

[0115] In some embodiments, please refer to the accompanying drawings Figure 1 and the accompanying drawings Figure 3 The support frame 51 is provided with a limiting wall 514 extending downward along the edge, and the outer side of the limiting wall 514 is provided with a limiting clamping convex 5141, and the inner circumferential side of the bottom shell 53 is provided with a limiting clamping groove 532, and the limiting clamping convex 5141 is clamped in the limiting clamping groove 532, thereby improving the structural stability of the wireless charger.

[0116] In some embodiments, please refer to the accompanying drawings Figure 1 and the accompanying drawings Figure 3 The support frame 51 is further provided with a fixing through hole 515 in the coil placing groove 512, and the bottom of the bottom shell 53 is provided with a limiting hole column 533, and the screw is fastened in the limiting hole column 533 through the fixing through hole 515, so that the support frame 51 and the main control circuit board 6 are fixed in the bottom shell 53, thereby further improving the structural stability of the wireless charger.

[0117] Specifically, please refer to the accompanying drawings Figure 15 The wireless charger can realize the functions of charging and fixing at the same time, and can be fixed on an external support, thereby increasing the application scenarios of the wireless charger, and thus the applicability and applicability of the wireless charger are higher.

[0118] Embodiment four

[0119] The application provides a magnetic connector, which comprises the magnetic connection structure disclosed in the first aspect or the magnetic connection structure for charging disclosed in the embodiment two, and further comprises a third magnet 7 of a to-be-connected support and a fourth magnet 8 of a to-be-connected device, the second magnet 2 attracts the third magnet 7 to connect the magnetic connector to the to-be-connected support, and the first magnet 1 attracts the fourth magnet 8 to connect the magnetic connector to the to-be-connected device.

[0120] Please refer to the accompanying drawings Figure 15 Through the magnetic connection structure arranged in the wireless charger, the first magnet 1 adsorbs the to-be-charged device, and the second magnet 2 adsorbs other devices with a transmitting end, and the other devices include but are not limited to a support, a power bank, a wireless charging device and the like, so that the wireless charger can be fixed on the external device at the same time when charging, and at the same time, the wireless charger with the transmitting end is not limited to only charging use, but also can be connected to other devices, such as a vehicle-mounted support, to increase the application scenarios of the wireless charger, thereby making the applicability and applicability of the wireless charger higher.

[0121] The magnetic connection structure, the wireless charging magnetic connection structure and the wireless charger provided by the application are described in detail above, and the principles and implementation manners of the application are described by applying specific examples; the above example description is only used to help understand the method of the application and the core idea thereof; meanwhile, for those skilled in the art, according to the idea of the application, the specific implementation manner and application range will be changed, and the above description should not be understood as a limitation on the application.

Claims

1. A magnetic connection structure, characterized by comprising: It comprises a first magnet (1), a second magnet (2) and a main shell (5), the first magnet (1) and the second magnet (2) are arranged on the upper and lower sides of the main shell (5) respectively; The first magnet (1) is used for attracting external devices, and the second magnet (2) attracts the support to be connected, so that the device is connected on the support.

2. A magnetic connection structure for wireless charging, characterized by, It comprises a first magnet (1), a second magnet (2) and a main shell (5), the first magnet (1) and the second magnet (2) are arranged on the upper and lower sides of the main shell (5) respectively; It also comprises a charging coil (3), the first magnet (1) is used for attracting external devices to be charged, and the second magnet (2) attracts the support to be connected, so that the device to be charged is connected on the support and is wirelessly charged.

3. The magnetic connection structure for wireless charging according to claim 2, wherein The shape of the first magnet (1) includes one of ring, C shape, U shape, rectangle, triangle, circle and arc; the shape of the second magnet (2) includes one of ring, C shape, U shape, rectangle, triangle, circle and arc.

4. The magnetic connection structure for wireless charging according to claim 2 or 3, characterized in that, The magnetization direction of the first magnet (1) is radial magnetization, and the magnetic poles of the inner side and the outer side of the first magnet (1) are S pole and N pole respectively; The first magnet (1) is integrally arranged, or the first magnet (1) comprises a plurality of first sub-magnets (11), and the adjacent first sub-magnets (11) are arranged with intervals.

5. The magnetic connection structure for wireless charging according to claim 4, wherein The second magnet (2) is arranged below the first magnet (1); The magnetization direction of the second magnet (2) is radial magnetization, and the magnetic poles of the inner side and the outer side of the second magnet (2) are N pole and S pole respectively; The second magnet (2) is integrally arranged, or the second magnet (2) comprises a plurality of second sub-magnets (21), and the adjacent second sub-magnets (21) are arranged with intervals.

6. The magnetic connection structure for wireless charging according to claim 5, wherein It also comprises a magnetic separation sheet (4), which is attached to one side of the first magnet (1) close to the second magnet (2), and / or one side of the second magnet (2) close to the first magnet (1).

7. The magnetic connection structure for wireless charging according to claim 6, wherein The first magnet (1) and the second magnet (2) are arranged on the upper and lower sides of the main shell (5) respectively: The main shell (5) comprises a support frame (51), an upper cover (52) and a bottom shell (53), and the upper cover (52) is buckled on the upper part of the bottom shell (53); The upper part of the support frame (51) is provided with a first magnet limiting groove (511), and the first magnet (1) is clamped in the first magnet limiting groove (511); The inner bottom of the bottom shell (53) is provided with a second magnet limiting groove (531), and the second magnet is clamped in the second magnet limiting groove (531).

8. The magnetic connection structure for wireless charging according to claim 2, wherein The first magnet (1) is arranged along the outer periphery of the charging coil (3) and is arranged with intervals.

9. A wireless charger, comprising: It comprises a charging transmitting end (01), which is used for connecting with the charging receiving end (02) of the device to be charged, the charging transmitting end (01) comprises the magnetic connection structure for wireless charging as claimed in any one of claims 2-8, and further comprises a main control circuit board (6); The charging coil (3) is electrically connected with the master control circuit board (6) to charge the charging receiving end (02) by the charging transmitting end (01); The charging transmitting end (01) attracts the connecting transmitting end (03) of the to-be-connected support to be connected to the connecting transmitting end (03).

10. A magnetic connector characterized by comprising: The magnetic connection structure comprises the first magnet (1), the second magnet (2), the charging coil (3), the charging transmitting end (01), the charging receiving end (02), the master control circuit board (6), and the connecting transmitting end (03), and further comprises a third magnet (7) of the to-be-connected support and a fourth magnet (8) of the to-be-connected device, the second magnet (2) attracts the third magnet (7) to connect the magnetic connector to the to-be-connected support, and the first magnet (1) attracts the fourth magnet (8) to connect the magnetic connector to the to-be-connected device.

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