Magnetic wireless charger

Abstract

The utility model relates to the technical field of magnetic attraction charging, and discloses a magnetic attraction wireless charger which comprises an outer shell, a rear shell and a heat dissipation mechanism installed between the outer shell and the rear shell, the inner wall of one end of the outer shell is connected with a front shell in an inserted mode, and one side of the front shell is provided with a mainboard. The other side of the front shell is provided with a coil and a magnet assembly which are used for charging the receiving end and located on the inner ring of the front shell, the inner wall of the rear shell is connected with an annular bottom shell, through the design that a heat dissipation mechanism is arranged in the magnetic wireless charger, in the process of charging the receiving end, a fan is operated, heat generated by charging can be quickly and timely blown out, and the heat dissipation efficiency is improved. Heat accumulation is reduced, the temperature rise speed of equipment during charging is reduced, stable operation of the charger can be ensured to a certain extent, the service life of the equipment is prolonged, and the charging speed of a receiving end can be improved; meanwhile, the refrigeration sheet can further lead out the heat in a heat transfer mode, thereby accelerating the heat dissipation speed of the device, reducing the temperature of the device, and further prolonging the service life of the charger and improving the charging speed of the charger.

Description

TECHNICAL FIELD

[0001] The utility model relates to magnetic attraction charging technical field, concretely is magnetic attraction wireless charging. BACKGROUND

[0002] The most important principle of magnetic attraction charging technology is electromagnetic conversion principle. It adopts magnetic body to generate magnetic field, and establishes magnetic field output and input in the transmitting and receiving sides. By adjusting the output magnetic force and the corresponding magnetic field sensitivity of the receiving side, the electric energy of the transmitting end is transmitted to the receiving end, so that the receiving end obtains stable electric energy input.

[0003] Through the search, the patent with the application number CN202022666010.2 discloses a kind of magnetic attraction wireless charger, including shell, first magnet component, second magnet component, third magnet component, wireless charging coil, placement plate and panel, shell is annular structure and the inner periphery of shell has a annular groove, first magnet component, second magnet component and third magnet component are embedded in annular groove in sequence respectively, second magnet component and third magnet component are rotatably connected on the two sides of first magnet component respectively, first magnet component, second magnet component and third magnet component form a annular structure, placement plate is located on the first magnet component, second magnet component and third magnet component, wireless charging coil is arranged on placement plate, panel is arranged above wireless charging coil and embedded in annular groove, in this way, by the setting of first magnet component, second magnet component and third magnet component, to magnetically position and attract wireless charging mobile power supply, improve charging efficiency.

[0004] Current magnetic attraction wireless charging can generate heat during long-time charging process, so that the device is hot and the internal device has not yet set the heat dissipation structure for cooling, resulting in reduced charging speed of receiving end, affecting the service life of the device, therefore we need to propose magnetic attraction wireless charging, increase heat dissipation structure, reduce temperature during charging, improve charging speed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing magnetic attraction wireless charging, by setting heat dissipation mechanism in the interior of magnetic attraction wireless charger, during the process of receiving end charging, running fan can quickly and timely blow out the heat generated during charging, reduce the accumulation of heat, reduce the device temperature rising speed during charging, which can ensure the stable operation of charger, improve the service life of device, and improve the charging speed of receiving end to some extent, at the same time, refrigeration piece can further guide heat out through heat transfer mode, speed up the heat dissipation speed of device, reduce the temperature of device, further improve the service life and charging speed of charger to solve the problems proposed in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: magnetic wireless charging, including shell, rear shell, heat dissipation mechanism is installed between shell and rear shell, the one end inner wall of shell is inserted with front shell, one side of front shell is installed with mainboard, the other side of front shell is installed with the charging mechanism for receiving end charging, the inner wall of rear shell is connected with annular bottom shell, one side of annular bottom shell is installed with key board, the flexible circuit board is connected between mainboard and key board, the key of electric connection with flexible circuit board is also installed between annular bottom shell and rear shell, the key board is provided with the button corresponding with key position.

[0007] Preferably, the heat dissipation mechanism includes a second fan mounted on the other side of the shell by bolts, and a heat dissipation bubble cotton mounted on the mainboard, wherein the second fan is electrically connected with the mainboard.

[0008] Preferably, the charging mechanism includes a coil and a magnet assembly located in the inner ring of the front shell, wherein the magnet assembly is located in the outer ring of the coil, and a glass mirror surface for placing the receiving end is further mounted on the other side of the front shell.

[0009] Preferably, a display screen is mounted on the other side of the annular bottom shell, and the display screen is electrically connected with the mainboard.

[0010] Preferably, the keys include a charging key for controlling charging, a display key for controlling the on-off of the display screen, and a cooling key for controlling the operation of the second fan in the heat dissipation mechanism.

[0011] Preferably, the heat dissipation mechanism includes an annular heat dissipation fin and a first fan mounted between the shell and the rear shell, wherein the first fan is located in the inner ring of the heat dissipation fin, a semiconductor refrigeration fin is clamped on the front shell, and silicon grease refrigeration fins are arranged on both sides of the semiconductor refrigeration fin.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a heat dissipation mechanism is arranged in the magnetic wireless charger, in the process of charging the receiving end, the fan is operated, the heat generated during charging can be blown out quickly and timely, the heat accumulation is reduced, the equipment temperature rising speed during charging is reduced, the stable operation of the charger is guaranteed to a certain extent, the service life of the equipment is improved, and the charging speed of the receiving end can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the structural schematic diagram of the utility model;

[0015] Fig. 2 It is the explosion map of the utility model embodiment one.

[0016] Fig. 3 The exploded view of the second embodiment of the utility model.

[0017] In the figure: 1, glass mirror; 2, magnet assembly; 3, coil; 4, semiconductor refrigerating sheet; 5, front shell; 6, mainboard; 7, shell; 8, silicone grease refrigerating sheet; 9, heat dissipation fin; 10, first fan; 12, key plate; 13, annular bottom shell; 14, key; 15, rear shell; 16, display screen; 18, flexible circuit board; 21, heat dissipation bubble cotton; 22, second fan. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figs. 1-3 The utility model provides a technical scheme: magnetic wireless charging, including shell 7, rear shell 15, install the heat dissipation mechanism between shell 7 and rear shell 15, the heat dissipation mechanism is used for promptly exporting the heat generated when receiving end (mobile phone etc.) charges, reduces the temperature inside the charger, the one end inner wall of shell 7 is inserted with front shell 5, the one side of front shell 5 is installed with mainboard 6, and the center position of front shell 5 and mainboard 6 is provided with square hole.

[0020] The bottom of shell 7 is provided with a charging interface for connecting the power line, and the charging interface is connected with the mainboard 6.

[0021] The other side of front shell 5 is installed with a charging mechanism for charging the receiving end, the inner wall of rear shell 15 is connected with annular bottom shell 13, the one side of annular bottom shell 13 is installed with key plate 12, the mainboard 6 is connected with flexible circuit board 18 between key plate 12, the annular bottom shell 13 and rear shell 15 are also installed with key 14 electrically connected with flexible circuit board 18, and the key plate 12 is provided with the button corresponding with the position of key 14.

[0022] The heat dissipation mechanism includes second fan 22 installed on the other side of shell 7 through bolt, heat dissipation bubble cotton 21 installed on mainboard 6, and the second fan 22 is electrically connected with the mainboard 6.

[0023] When the equipment generates heat due to charging, the second fan 22 operates to blow out most of the heat, and the heat dissipation bubble cotton 21 can export the heat, and the heat dissipation bubble cotton 21 is any one of graphite bubble cotton and polyamide bubble cotton.

[0024] The charging mechanism includes a coil 3 located in the inner ring of the front shell 5 and a magnet assembly 2 located in the outer ring of the coil 3, and the other side of the front shell 5 is also provided with a glass mirror 1 for placing the receiving end.

[0025] During charging, energy coupling is performed through the coil 3 by using the principle of electromagnetic induction, and non-contact transmission of energy is realized; the magnet assembly 2 (such as a neodymium-iron-boron permanent magnet, a nickel-zinc ferrite thin magnetic sheet, etc.) plays a role in enhancing the magnetic flux in the wireless charging system, thereby improving the transmission efficiency of energy, and can also shield the interference between the coils 3, thereby playing a role in enhancing the magnetic flux in the wireless charging system, thereby improving the transmission efficiency of energy.

[0026] The other side of the annular bottom shell 13 is provided with a display screen 16, and the display screen 16 is electrically connected with the mainboard 6.

[0027] The keys 14 include a charging key for controlling charging, a display key for controlling the on-off of the display screen 16, and a cooling key for controlling the operation of the second fan 22 in the cooling mechanism.

[0028] Pressing the charging key starts charging the receiving end, pressing the display key can light up the display screen 16, and pressing the cooling key can make the second fan 22 in the cooling mechanism operate to start cooling the device. Embodiment 2

[0029] The same as embodiment 1 will not be repeated, and the difference is that

[0030] The cooling mechanism includes an annular cooling fin 9 and a first fan 10 installed between the outer shell 7 and the rear shell 15, the first fan 10 is located in the inner ring of the cooling fin 9, the front shell 5 is clamped with a semiconductor cooling fin 4, and the two sides of the semiconductor cooling fin 4 are provided with a silicone cooling fin 8.

[0031] By using the Peltier effect of semiconductor materials, when a direct current passes through an electric couple composed of two different semiconductor materials in series, heat can be absorbed and released at both ends of the electric couple, thereby achieving the purpose of refrigeration.

[0032] The silicone cooling fin 8 is not an independent refrigeration device, but a heat dissipation treatment method for improving the heat dissipation effect of the cooling fin (such as the semiconductor cooling fin 4) by applying silicone to the surface of the cooling fin.

[0033] Silicone is a special organosilicon compound with good insulation performance and high temperature stability, which can fill the small grooves on the surface of the heat sink, effectively expand the heat conduction area, and improve the heat transfer speed.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A magnetic wireless charger, characterized in that: The utility model relates to a kind of charging device, including shell (7), rear shell (15), heat dissipation mechanism mounted between shell (7) and rear shell (15), the inner wall of one end of the shell (7) is inserted with front shell (5), one side of the front shell (5) is equipped with mainboard (6), the other side of the front shell (5) is equipped with charging mechanism for receiving end charging, the inner wall of the rear shell (15) is connected with annular bottom shell (13), one side of the annular bottom shell (13) is equipped with key board (12), the mainboard (6) is connected with flexible circuit board (18) between key board (12), annular bottom shell (13) and rear shell (15) are also equipped with key (14) electrically connected with flexible circuit board (18), the key board (12) is provided with the button corresponding with the position of key (14).

2. The magnetic wireless charging of claim 1, wherein: The heat dissipation mechanism includes second fan (22) mounted on the other side of shell (7) by bolt, heat dissipation bubble cotton (21) mounted on mainboard (6), and the second fan (22) is electrically connected with the mainboard (6).

3. The magnetic wireless charger of claim 1, wherein: The charging mechanism includes coil (3) and magnet assembly (2) in the inner ring of front shell (5), the magnet assembly (2) is located in the outer ring of coil (3), and glass mirror (1) for placing receiving end is further mounted on the other side of the front shell (5).

4. The magnetic wireless charger of claim 1, wherein: Display screen (16) is mounted on the other side of the annular bottom shell (13), and the display screen (16) is electrically connected with the mainboard (6).

5. The magnetic wireless charger of claim 4, wherein: The key (14) includes charging key for controlling charging, display key for controlling on-off of display screen (16), and cooling key for controlling operation of second fan (22) in heat dissipation mechanism.

6. The magnetic wireless charging of claim 1, wherein: The heat dissipation mechanism includes annular heat dissipation fin (9) and first fan (10) mounted between shell (7) and rear shell (15), the first fan (10) is located in the inner ring of heat dissipation fin (9), semiconductor refrigeration fin (4) is clamped on the front shell (5), and silicon grease refrigeration fin (8) is arranged on both sides of the semiconductor refrigeration fin (4).

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