CN212085892U

CN212085892U - Wireless charger

Info

Publication number: CN212085892U
Application number: CN202022201387.0U
Authority: CN
Inventors: 李贡献
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Ranvoo Technology Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2020-12-04
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a wireless charger, including being equipped with the drain pan of acceping the chamber, the upper cover be connected with the drain pan and accept in acceping the intracavity and lie in the wireless module and the fan that charges between drain pan and the upper cover, the opening part of acceping the chamber is located to the upper cover, the outward flange of upper cover and the opening of acceping the chamber between form the air outlet, the drain pan run through be equipped with accept the ventilation hole of chamber intercommunication, the opening part of acceping the chamber is provided with the supporting shoe to form the wind channel that the fan during operation supplied the circulation of air. The utility model discloses a wireless charger, fan can be with the air in the external world through the ventilation hole suction accept the intracavity, then flow through wireless module and the upper cover of charging in proper order, can take away the wireless partial heat that charges module and upper cover, have reduced the temperature in the wireless charger working process, strengthen its radiating effect to improve the charge efficiency of wireless charger, also can prolong the life of wireless charger simultaneously.

Description

Wireless charger

Technical Field

The utility model relates to a wireless charging technology field especially relates to wireless charger.

Background

With the progress of science and technology and the improvement of living standard of people, people pay attention to the use of electronic equipment, and the convenience of the charging mode of the electronic equipment is also concerned. For convenience of charging, people generally use a wireless charger to charge an electronic device. However, the existing wireless charger generates heat in the working process, and the generated heat cannot be removed in time, so that the temperature between the charger and the electronic equipment is increased, and the charging efficiency and the service life of the wireless charger are seriously influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a wireless charger to it is poor and influence charge efficiency and life's problem to solve current charger radiating effect.

The purpose of the utility model is realized by adopting the following technical scheme:

a wireless charger comprises a bottom shell provided with a containing cavity, an upper cover connected with the bottom shell, a wireless charging module and a fan, wherein the wireless charging module and the fan are contained in the containing cavity and are positioned between the bottom shell and the upper cover, the upper cover is arranged at an opening of the containing cavity, an air outlet is formed between the outer edge of the upper cover and the opening of the accommodating cavity, a vent hole communicated with the accommodating cavity is arranged in the bottom shell in a penetrating way, the opening of the containing cavity is provided with a supporting block for supporting the electronic equipment, so that an air duct is formed between the electronic equipment and the opening of the accommodating cavity when the electronic equipment is placed in the wireless charger for charging, when the fan works, outside air enters the accommodating cavity through the vent holes, flows through the wireless charging module and the upper cover, and finally passes through the air outlet and is discharged through the air channel.

In some embodiments, the bottom shell includes a shell body provided with the receiving cavity, and the air outlet is a gap formed between an outer edge of the upper cover and the shell body, and the gap is located between the upper cover and the top of the shell body.

In some embodiments, the bottom shell further includes an extension portion disposed at a top edge of the shell and extending inward, the extension portion having a ring shape, and the gap is located between the extension portion and the upper cover.

In some embodiments, the supporting block is a magnet, the supporting block is disposed on the extension portion, and a top surface of the supporting block is higher than a top surface of the extension portion.

In some embodiments, the supporting block is provided in a plurality, and the supporting blocks are distributed at intervals along the circumferential direction of the extension part.

In some embodiments, a portion of the support block is embedded within the extension; alternatively, the support block is fixed to the top surface of the extension portion.

In some embodiments, a top surface of the upper cover is flush with a top surface of the support block; or the top surface of the upper cover is lower than the top surface of the supporting block.

In some embodiments, a mounting column is convexly arranged in the accommodating cavity, the wireless charging module is connected between the mounting column and the upper cover, and the fan is sleeved on the mounting column and is fixedly connected with the mounting column.

In some embodiments, the wireless charging module includes a circuit board connected to an end of the mounting post facing the upper cover, and a coil stacked on the circuit board and connected to the upper cover, and both the coil and the fan are electrically connected to the circuit board.

In some embodiments, the bottom of the bottom shell is provided with a plurality of foot pads; and/or the presence of a gas in the gas,

the ventilation hole is equipped with a plurality ofly, and is a plurality of the ventilation hole encircles the erection column interval sets up.

The utility model provides a scheme, through set up the fan in accommodating the chamber, set up the ventilation hole that communicates with accommodating the chamber on the drain pan, form the air outlet between the outward flange of upper cover and the opening of accommodating the chamber simultaneously, further, the opening part of accommodating the chamber is provided with the supporting shoe and is used for supporting electronic equipment, so that electronic equipment places and forms the clearance between the opening of accommodating the chamber when wireless charger charges, therefore, when the fan is worked, can inhale accommodating the intracavity with the outside air through the ventilation hole, the inhaled air flows through wireless charging module and upper cover in proper order under the effect of fan, can take away the partial heat that the wireless charging module produced when working and the partial heat that electronic equipment transmitted to the upper cover, finally pass through the air outlet and via the clearance is discharged, take away partial heat through the flow of air, the radiating effect of wireless charger has been strengthened, the temperature of the wireless charger in the working process is reduced, so that the charging efficiency of the wireless charger is improved, and meanwhile, the service life of the wireless charger can be prolonged.

Drawings

Fig. 1 is a schematic structural diagram of a wireless charger according to an embodiment of the present invention;

FIG. 2 is an exploded view of the wireless charger of FIG. 1;

FIG. 3 is a cross-sectional schematic view of the wireless charger shown in FIG. 1;

fig. 4 is a schematic structural view of the bottom case and the foot pad shown in fig. 2.

In the figure: 1. a wireless charger; 10. a bottom case; 20. an upper cover; 30. a wireless charging module; 40. a fan; 50. a foot pad; 11. an accommodating cavity; 12. a vent hole; 13. a gap; 14. a housing; 15. an extension portion; 16. mounting a column; 17. an air duct; 60. a magnet; 31. a circuit board; 32. and a coil.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, back, inner, outer, top, bottom … …) in the embodiments of the present invention are only used to explain the relative position between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Referring to fig. 1 to 4, an embodiment of the present invention provides a wireless charger 1 for charging an electronic device, where the electronic device may be a mobile phone or a tablet computer. The wireless charger 1 comprises a bottom shell 10, an upper cover 20, a wireless charging module 30, a fan 40 and a pad 50, wherein the bottom shell 10 is provided with an accommodating cavity 11 with an upward opening and a vent hole 12 communicated with the accommodating cavity 11, the vent hole 12 is arranged at the bottom of the bottom shell 10, the upper cover 20 is arranged at the opening of the accommodating cavity 11, and a gap 13 is formed between the outer edge of the upper cover 20 and the bottom shell 10 to form an air outlet; the wireless charging module 30 and the fan 40 are both accommodated in the accommodating cavity 11 and located between the bottom case 10 and the upper cover 20; the foot rest 50 is convexly provided at the bottom of the bottom chassis 10 for supporting the bottom chassis 10 while having a space between the bottom surface of the bottom chassis 10 and the placing surface for facilitating air circulation. The opening of the accommodating cavity 11 is provided with a supporting block 60 for supporting the electronic device, so that an air duct 17 is formed between the electronic device and the opening of the accommodating cavity 11 when the electronic device is placed in the wireless charger 1 for charging. When the electronic device is placed on the wireless charger 1 for charging, the fan 40 starts to work, external air is sucked into the accommodating cavity 11 through the vent hole 12, the sucked air sequentially flows through the wireless charging module 30 and the upper cover 20 under the action of the fan 40, moves to the upper cover 20 and then is blocked by the upper cover 20 to diffuse around, and finally is discharged out of the wireless charger 1 through the gap 13 between the upper cover 20 and the bottom case 10, and is discharged away from the wireless charger through the air duct 17, partial heat generated when the wireless charging module 30 works and partial heat transferred to the upper cover 20 by the electronic device can be taken away by the flowing air, the temperature of the wireless charger 1 in the working process is reduced, the air duct 17 further enhances the circulation of the air, the air is prevented from gathering between the upper cover 20 and the electronic device, the heat dissipation effect is enhanced, and the charging efficiency of the wireless charger 1 is improved, and simultaneously, the service life of the wireless charger 1 can be prolonged.

The specific manner of charging the electronic device by using the wireless charging module 30 is not limited, and for example, the electronic device may be charged by using an electromagnetic induction principle, or by using a radio wave or a magnetic resonance principle.

The number and shape of the foot pads 50 are not limited, and in the present embodiment, the foot pads 50 are hemispherical, and four foot pads 50 are provided, and the four foot pads 50 are uniformly distributed at intervals. The arrangement of the foot pad 50 can heighten the bottom case 10, so that when the wireless charger 1 is placed on the placing surface, a certain distance exists between the bottom surface of the bottom case 10 and the placing surface, the bottom surface of the bottom case 10 can be prevented from directly contacting with the placing surface to block air from entering the accommodating cavity 11 from the vent hole 12, and smooth circulation of the air is ensured.

The bottom case 10 includes a casing 14, an extending portion 15 and a mounting post 16, the casing 14 is in a bowl shape and is provided with the accommodating cavity 11, the extending portion 15 is connected to the top of the casing 14 and extends inward, the mounting post 16 is convexly disposed on the wall of the accommodating cavity 11 away from the opening, a through hole is disposed in the middle of the fan 40 in a penetrating manner, the fan 40 is sleeved outside the mounting post 16 through the through hole and is fixedly connected with the mounting post 16, the wireless charging module 30 is disposed on the top of the mounting post 16, the fan 40 is disposed between the wireless charging module 30 and the bottom of the casing 14 at intervals, and the upper cover 20 is connected to one side of the wireless charging module 30 away from the mounting post 16. It will be appreciated that the fan 40 may also be secured directly to the housing 14, for example, a recess may be provided in the housing 14 and the fan 40 may then be mounted in the recess.

The plurality of ventilation holes 12 are arranged, the plurality of ventilation holes 12 are distributed at intervals around the mounting column 16, the ventilation holes 12 are located under the fan 40, the fan 40 is located under the wireless charging module 30, therefore, air enters the accommodating cavity 11 through the ventilation holes 12 under the action of the fan 40, then the fan 40 can directly blow the air to the wireless charging module 30 and the upper cover 20 to take away part of heat of the wireless charging module 30, and more air enters the accommodating cavity 11 through the plurality of ventilation holes 12, so that the heat dissipation effect of the wireless charger 1 is further enhanced.

The extension portion 15 is annular, an outer edge of the extension portion 15 is connected to the housing 14, an inner edge of the extension portion 15 is spaced from the upper cover 20 to form a gap 13, and the gap 13 between the upper cover 20 and the bottom case 10 is the gap 13 between the inner edge of the extension portion 15 and the outer edge of the upper cover 20.

In some embodiments, the supporting block 60 is a magnet disposed on the top surface of the extending portion 15, the number of the magnets is not limited, the number of the magnets in this embodiment is plural, and the magnets are uniformly distributed along the circumferential direction of the extending portion 15 at intervals, the magnets can be magnetically attracted to and matched with the magnets on the electronic device or the electronic device housing or the elements attracted by the magnets, so as to enhance the stability of the electronic device, and through the magnetic attraction and matching, the wireless charging module 30 can be aligned to the wireless receiving coil in the electronic device, so as to ensure the accurate alignment of the wireless charging module and the wireless receiving coil, and further improve the charging efficiency of the wireless charger 1.

Since the top surface of the magnet is higher than the top surface of the extension part 15, when the electronic device is placed on the magnet, a space exists between the electronic device and the upper cover 20, so that the electronic device is prevented from directly contacting the upper cover 20 to block air from being discharged from the accommodating cavity 11; and the electronic equipment also can produce a large amount of heats when charging, make electronic equipment and upper cover 20 between have the interval, reducible electronic equipment transmits the heat of upper cover 20 to, when the air in accepting the chamber 11 discharges through clearance 13, some air can not upwards move because of electronic equipment's hindrance again, and turn to diffusion all around, takes away the partial heat on electronic equipment surface simultaneously, at this moment, the air of electronic equipment below just can blow out from the wind channel 17 between two adjacent magnets, reduce the influence of electronic equipment to the air flow, thereby the radiating influence to wireless charger 1 has been alleviateed. It is understood that the magnet may be partially embedded in the extension portion 15, and the other portion may be protruded on the surface of the extension portion 15, as long as the top surface of the magnet is higher than the top surface of the extension portion 15.

In the illustrated embodiment, the supporting block 60 is fixed on the top surface of the extending portion 15, and the top surface of the upper cover 20 is flush with the top surface of the extending portion 15, that is, the top surface of the supporting block 60 is higher than the top surface of the upper cover 20, when the electronic device is placed on the supporting block 60, the electronic device does not directly contact with the upper cover 20, but has a certain distance therebetween, so that the influence of heat generated by the electronic device on the upper cover 20 can be reduced, and air can be conveniently exhausted from the accommodating cavity 11. It will be appreciated that the support block 60 may be partially embedded in the extension 15 and partially protrude from the top surface of the extension 15, and the top surface of the upper cover 20 is not necessarily flush with the top surface of the extension 15, for example, the top surface of the upper cover 20 may be flush with the top surface of the support block 60, or higher than the top surface of the extension 15 and lower than the top surface of the support block 60, or lower than the top surface of the extension 15.

The wireless charging module 30 includes a circuit board 31 and a coil 32, the circuit board 31 is connected to one end (also called the top end) of the mounting post 16 facing the upper cover 20, the coil 32 is stacked on one side of the circuit board 31 far away from the mounting post 16 and is connected with the upper cover 20, that is, the upper cover 20, the coil 32, the circuit board 31 and the fan 40 are sequentially distributed from top to bottom, and the coil 32 and the fan 40 are electrically connected with the circuit board 31, so when an external power supply is introduced into the circuit board 31 to enable the wireless charging module 30 to work, the fan 40 can automatically start to work, the start and stop of the fan 40 do not need to be controlled independently.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A wireless charger is characterized by comprising a bottom shell provided with a containing cavity, an upper cover connected with the bottom shell, a wireless charging module and a fan, wherein the wireless charging module and the fan are contained in the containing cavity and are positioned between the bottom shell and the upper cover, the upper cover is arranged at an opening of the containing cavity, an air outlet is formed between the outer edge of the upper cover and the opening of the accommodating cavity, a vent hole communicated with the accommodating cavity is arranged in the bottom shell in a penetrating way, the opening of the containing cavity is provided with a supporting block for supporting the electronic equipment, so that an air duct is formed between the electronic equipment and the opening of the accommodating cavity when the electronic equipment is placed in the wireless charger for charging, when the fan works, outside air enters the accommodating cavity through the vent holes, flows through the wireless charging module and the upper cover, and finally passes through the air outlet and is discharged through the air channel.

2. The wireless charger according to claim 1, wherein the bottom housing includes a housing having the receiving cavity, and the air outlet is a gap formed between an outer edge of the upper cover and the housing, and the gap is located between the upper cover and a top of the housing.

3. The wireless charger of claim 2, wherein the bottom housing further comprises an extension disposed at a top edge of the housing and extending inwardly, the extension being annular, the gap being between the extension and the top cover.

4. The wireless charger of claim 3, wherein the support block is a magnet, the support block is disposed on the extension portion, and a top surface of the support block is higher than a top surface of the extension portion.

5. The wireless charger of claim 4, wherein the supporting block is provided in a plurality, and the supporting blocks are spaced apart along the circumference of the extension.

6. The wireless charger of claim 5 wherein a portion of the support block is embedded within the extension; alternatively, the support block is fixed to the top surface of the extension portion.

7. The wireless charger of claim 6 wherein the top surface of the upper cover is flush with the top surface of the support block; or the top surface of the upper cover is lower than the top surface of the supporting block.

8. The wireless charger according to any one of claims 2-7, wherein a mounting post is disposed in the receiving cavity, the wireless charging module is connected between the mounting post and the upper cover, and the fan is sleeved on the mounting post and is fixedly connected with the mounting post.

9. The wireless charger of claim 8, wherein the wireless charging module comprises a circuit board connected to an end of the mounting post facing the top cover and a coil stacked on the circuit board and connected to the top cover, wherein the coil and the fan are both electrically connected to the circuit board.

10. The wireless charger according to claim 8, wherein the bottom of the bottom shell is provided with a plurality of foot pads; and/or the presence of a gas in the gas,