Magnetic wireless charging device and vehicle
By using a thin film component connected to the housing to cover the mounting hole in the magnetic wireless charging device, and placing the charging coil and magnetic component below the thin film component, the problem of low charging efficiency caused by excessive charging distance is solved, achieving efficient charging and stable magnetic attraction.
Patent Information
- Application Number
- CN202520253069.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-02-18
AI Technical Summary
In existing magnetic wireless charging devices, the thickness of the plastic top cover prevents the phone coil and the charger coil from fitting tightly together, increasing the charging distance and reducing charging efficiency and magnetic force.
A thin film component is used to connect with the housing and cover the mounting hole opening. The charging coil is placed inside the mounting hole. The magnetic component is attached to the thin film component, which shortens the charging and magnetic attraction distance. The phone and the charging coil are fixed by the thin film component.
It effectively shortens the charging and magnetic distance, improves charging efficiency and magnetic force, prevents the phone from coming loose while the vehicle is in motion, and ensures continuous charging.
Smart Images

Figure CN223583892U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wireless charging technical field especially relates to a magnetic attraction wireless charging device and vehicle. BACKGROUND
[0002] The magnetic attraction wireless charging device of vehicle in prior art usually is provided with a plastic top cover, since the plastic top cover has certain thickness, the coil and magnet of mobile phone cannot be close to the coil and magnet of charger, thereby the charging distance and magnetic attraction distance are pulled high, and then the charging efficiency and suction force are reduced, and the plastic top cover is mainly used for fixing and protecting the coil and magnet, cannot be thin, otherwise the bulge, cracking, deformation and other conditions appear, influence charging performance and appearance. SUMMARY
[0003] The utility model discloses a magnetic attraction wireless charging device and vehicle to solve the problem of low charging efficiency caused by the large charging distance of the magnetic attraction wireless charging device and mobile phone coil in prior art.
[0004] On the one hand, the utility model provides a kind of magnetic attraction wireless charging device, the magnetic attraction wireless charging device includes: shell, with mounting hole;Membrane piece is connected with the inner wall of the mounting hole, and the opening of the mounting hole is covered, the membrane piece can be attached with mobile phone;Charging coil is set in the mounting hole, and located below the membrane piece, the charging coil can charge the mobile phone;Magnetic attraction piece is set in the mounting hole, the magnetic attraction piece is connected with the charging coil, and is attached with the membrane piece, the magnetic attraction piece can be matched with the mobile phone magnetic attraction.
[0005] As optional technical scheme of magnetic attraction wireless charging device, the minimum distance between the charging coil and the membrane piece is 0.08mm-0.12mm.
[0006] As optional technical scheme of magnetic attraction wireless charging device, the thickness of the membrane piece is 0.1mm-0.5mm.
[0007] As optional technical scheme of magnetic attraction wireless charging device, the membrane piece is UHMWPE film or PP film or PET film or EVA film.
[0008] As optional technical scheme of magnetic attraction wireless charging device, the shape of the mounting hole is circular or regular polygon, the shape of the membrane piece and the shape of the mounting hole are matched.
[0009] As optional technical scheme of magnetic attraction wireless charging device, the magnetic attraction wireless charging device further includes double-sided adhesive, and the magnetic attraction piece is connected with the charging coil through the double-sided adhesive.
[0010] As an optional technical scheme of the magnetic attraction wireless charging device, the magnetic attraction piece is a magnet or a magnetic sheet.
[0011] As an optional technical scheme of the magnetic attraction wireless charging device, the shell comprises a main shell and a mounting ring connected with each other, the mounting ring is provided with the mounting hole, and the main shell can be mounted on the vehicle body.
[0012] As an optional technical scheme of the magnetic attraction wireless charging device, the side wall of the main shell is provided with a plurality of heat dissipation holes.
[0013] In another aspect, the utility model provides a kind of vehicle, including vehicle body and the magnetic attraction wireless charging device in any scheme above, the magnetic attraction wireless charging device is mounted on the vehicle body.
[0014] The utility model has the advantages that:
[0015] The utility model provides a kind of magnetic attraction wireless charging device, which comprises a shell, a film piece, a charging coil and a magnetic attraction piece. The shell has a mounting hole. The film piece and the inner wall of the mounting hole are connected by the magnetic attraction wireless charging device provided by the utility model, and the opening of the mounting hole is covered. At the same time, the charging coil is arranged in the mounting hole and located below the film piece. In this way, the charging coil and the mobile phone are separated only by the film piece, effectively reducing the distance between the charging coil and the mobile phone, thereby shortening the charging distance and further improving the charging efficiency. The magnetic attraction piece is arranged in the mounting hole, and the magnetic attraction piece and the charging coil are connected and attached to the film piece. Similarly, the distance between the magnetic attraction piece and the mobile phone is also shortened, the magnetic attraction distance is shortened, the suction force between the magnetic attraction piece and the mobile phone is improved, and the mobile phone is prevented from falling off the magnetic attraction wireless charging device. Even if the mobile phone does not come off during vehicle travel, the mobile phone will not be disconnected during vehicle travel. The magnetic attraction wireless charging device provided by the utility model shortens the distance between the mobile phone and the charging coil and the magnetic attraction piece, effectively solving the problem of large charging distance between the charging coil and the mobile phone coil in the prior art, which leads to low charging efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a structure diagram of the magnetic attraction wireless charging device in the embodiment of the utility model;
[0017] Fig. 2 It is a sectional view of the magnetic attraction wireless charging device in the embodiment of the utility model;
[0018] Fig. 3 It is a structure diagram of the magnetic attraction wireless charging device in another aspect in the embodiment of the utility model.
[0019] In the figure:
[0020] 1, shell; 11, mounting hole; 12, main shell; 121, heat dissipation hole; 13, mounting ring;
[0021] 2, film piece;
[0022] 3, charging coil;
[0023] 4, magnetic attraction piece. DETAILED DESCRIPTION
[0024] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the present application.
[0025] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", etc. are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and moreover, the "above", "above" and "above" of the first feature on the second feature include the first feature above and obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature on the second feature include the first feature below and obliquely below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0026] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0027] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for explaining the present application, and cannot be understood as limiting the present application.
[0028] As shown in the formula (I), the present embodiment provides a magnetic wireless charging device, which comprises a shell 1, a film piece 2, a charging coil 3 and a magnetic attraction piece 4. Wherein, the shell 1 has a mounting hole 11; the film piece 2 and the inner wall of the mounting hole 11 are connected, and cover the opening of the mounting hole 11, and the film piece 2 can be attached to the mobile phone; the charging coil 3 is arranged in the mounting hole 11, and is located below the film piece 2, and the charging coil 3 can charge the mobile phone; the magnetic attraction piece 4 is arranged in the mounting hole 11, the magnetic attraction piece 4 and the charging coil 3 are connected, and are attached to the film piece 2, and the magnetic attraction piece 4 can be magnetically attracted to the mobile phone. Figs. 1 to 3 The magnetic wireless charging device provided by the present application connects the film piece 2 and the inner wall of the mounting hole 11, and covers the opening of the mounting hole 11, at the same time, the charging coil 3 is arranged in the mounting hole 11, and is located below the film piece 2, so that the charging coil 3 and the mobile phone are separated only by the film piece 2, thereby effectively reducing the distance between the charging coil 3 and the mobile phone, thereby shortening the charging distance and further improving the charging efficiency; and the magnetic attraction piece 4 is arranged in the mounting hole 11, the magnetic attraction piece 4 and the charging coil 3 are connected, and are attached to the film piece 2, which also shortens the distance between the magnetic attraction piece 4 and the mobile phone, shortens the magnetic attraction distance, improves the suction force between the magnetic attraction piece 4 and the mobile phone, avoids the mobile phone from falling off the magnetic wireless charging device, even if the mobile phone does not loosen during vehicle driving, and ensures that the mobile phone does not occur during vehicle driving. The distance between the mobile phone and the charging coil 3 and the magnetic attraction piece 4 is shortened by using the magnetic wireless charging device provided by the present application, which effectively solves the problem of large charging distance of the charging coil 3 and the coil of the mobile phone in the magnetic wireless charging device in the prior art, resulting in low charging efficiency.
[0029] In order to greatly reduce the distance between the charging coil 3 and the film piece 2, in some embodiments, the minimum distance between the charging coil 3 and the film piece 2 can be set to 0.08mm-0.12mm, wherein the minimum distance between the charging coil 3 and the film piece 2 is selected according to the actual design, specifically, the minimum distance between the charging coil 3 and the film piece 2 can be selected as 0.08mm, 0.09mm, 0.1mm, 0.11mm or 0.12mm, etc.
[0030]
[0031] Specifically, the thickness of the film piece 2 is 0.1mm-0.5mm. Among them, the thickness of the film piece 2 can be selected according to the actual situation. In this embodiment, the thickness of the film piece 2 can be selected as 0.1mm, 0.2mm, 0.3mm, 0.4mm or 0.5mm, etc. In this way, the thickness of the film piece 2 can be ensured to be small enough, thereby shortening the distance between the charging coil 3 and the mobile phone, thereby shortening the charging distance and further improving the charging efficiency.
[0032] In some embodiments, the film piece 2 includes but is not limited to UHMWPE film or PP film or PET film or EVA film.
[0033] Among them, the UHMWPE (ultra-high molecular weight polyethylene) film is a linear polyethylene with no branch and a molecular weight of more than 1.5 million, which has good wear resistance and impact resistance.
[0034] The PP (polypropylene) film has the advantages of high tensile strength, tear strength and impact strength.
[0035] The PET (polyethylene terephthalate) film is a comprehensive performance packaging film with good toughness and impact resistance.
[0036] The EVA film, also known as environmentally friendly film, is a film produced by flow extrusion of EVA raw materials. It is a new generation of green and environmentally friendly degradable material. It is biodegradable and does not harm the environment when discarded or burned. It has a specific gravity of about 0.93, no odor, no heavy metals, no phthalate, high transparency, soft and tough, super low temperature resistance (-70 degrees), water resistance, salt resistance and other properties, high heat paste and other properties.
[0037] In this embodiment, the shape of the mounting hole 11 is circular or regular polygon, and the shape of the film piece 2 matches the shape of the mounting hole 11. In this way, the film piece 2 can completely cover the mounting hole 11, ensuring the sealing effect. Among them, the shape of the mounting hole 11 includes but is not limited to circular or regular polygon, which can increase the bonding area between the film piece 2 and the mobile phone and ensure the stability.
[0038] Specifically, the magnetic wireless charging device further comprises double-sided adhesive tape, and the magnetic piece 4 is connected with the charging coil 3 through the double-sided adhesive tape. In this way, the magnetic piece 4 and the charging coil 3 are connected and detached.
[0039] In some embodiments, the magnetic piece 4 includes but is not limited to a magnetic sheet or a magnet. It is convenient to realize the adsorption of the mobile phone on the shell 1 and ensure the adsorption effect.
[0040] Specifically, the shell 1 comprises a main shell 12 and a mounting ring 13 connected with each other.
[0041] Further, the side wall of the main shell 12 is provided with a plurality of heat dissipation holes 121, so that heat dissipation is facilitated and stable operation of the shell 1 is ensured.
[0042] The vehicle provided by the utility model has the advantages that the thin film member 2 is connected with the inner wall of the mounting hole 11 and covers the opening of the mounting hole 11, the charging coil 3 is arranged in the mounting hole 11 and is located below the thin film member 2, the charging coil 3 and the mobile phone are separated only by the thin film member 2, the distance between the charging coil 3 and the mobile phone is effectively shortened, the charging distance is shortened, and the charging efficiency is further improved, the magnetic attraction member 4 is arranged in the mounting hole 11, the magnetic attraction member 4 is connected with the charging coil 3 and is attached to the thin film member 2, the distance between the magnetic attraction member 4 and the mobile phone is also shortened, the magnetic attraction distance is shortened, the attraction force between the magnetic attraction member 4 and the mobile phone is improved, the mobile phone is prevented from falling off the magnetic attraction wireless charging device, the mobile phone will not be disconnected during the driving of the vehicle, and the mobile phone is ensured not to be disconnected during the driving of the vehicle.
[0043] The utility model has the advantages of the following:
[0044] The utility model uses a brand-new super-short charging distance design scheme, realizes super-short distance charging and super-strong attraction, the key step is that the thin film member is fixed on the shell, the charging coil and the magnetic attraction member are arranged below the thin film member, the charging distance and the magnetic attraction distance are only the thickness of the thin film member, when the mobile phone is close, the mobile phone magnet and the magnetic attraction member can be tightly attracted to each other, the mobile phone coil and the charging coil can also be closely arranged together, super-strong attraction and high-efficiency charging are realized, even if the mobile phone is in the driving process of the vehicle, the mobile phone will not be loose, and the mobile phone is ensured to be continuously charged during the driving of the vehicle.
[0045] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and also impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.
Claims
1. A magnetic wireless charging device, characterized in that, The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device.
2. The magnetic wireless charging device of claim 1, wherein, The application relates to a magnetic-attracting wireless charging device. 3.The magnetic wireless charging device of claim 1, wherein, The application relates to a magnetic-attracting wireless charging device. 4.The magnetic wireless charging device of claim 1, wherein, The application relates to a magnetic-attracting wireless charging device. 5.The magnetic wireless charging device of claim 1, wherein, The application relates to a magnetic-attracting wireless charging device. 6.The magnetic wireless charging device of claim 1, wherein, The application relates to a magnetic-attracting wireless charging device. 7.The magnetic wireless charging device of claim 1, wherein, The application relates to a magnetic-attracting wireless charging device. 8.The magnetic wireless charging device of claim 1, wherein, The application relates to a magnetic-attracting wireless charging device. 9.The magnetic wireless charging device of claim 8, wherein, The application relates to a magnetic-attracting wireless charging device.
10. A vehicle characterized by comprising: The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-attracting wireless charging device. The application relates to a magnetic-at