CN219437438U - Heat abstractor and wireless charger thereof - Google Patents

Abstract

The utility model relates to a heat dissipating double-fuselage and wireless charger, it is a technical field of heat dissipation, through dispelling the heat in multiple directions, have guaranteed the sufficient discharge of the hot air, has got rid of some unnecessary heat dissipation dead angles, has guaranteed the heat dispersion; the air-cooling device comprises a shell, wherein the shell is provided with an air inlet, an air outlet and an air channel communicated with the air inlet and the air outlet, a cooling fan and a cooling piece are arranged on the air channel, the cooling fan is located on one side of the cooling piece, the cooling piece is provided with a cooling channel, the cooling channel is provided with a first cooling port in a first direction and a second cooling port in a second direction, and the air outlet comprises a first outlet arranged on the side wall of the shell facing the first cooling port and a second outlet arranged on the side wall of the second cooling port.

Description

Heat abstractor and wireless charger thereof

Technical Field

The utility model relates to the technical field of heat dissipation, in particular to a heat dissipation device and a wireless charger thereof.

Background

Some existing wireless chargers matched with mobile phones, flat-panel and other electronic devices with magnetic wireless charging functions generally achieve the purpose of rapid charging by improving charging power, and the increase of the charging power causes great pressure on heat dissipation.

In order to increase the heat dissipation effect, a semiconductor refrigerator is arranged in the wireless charger to cool wireless charging components in the wireless charger, and then the heat generated by the semiconductor refrigerator is dissipated through a heat dissipation channel by an air draft device such as a fan, for the heat dissipation scheme, the air outlet direction of the fan is mainly horizontally consistent with the air outlet direction in the wireless charger disclosed in the prior art, for example, the Chinese patent with the publication number of CN208638058U, namely, only the heat dissipation is carried out in the horizontal direction, and the heat dissipation dead angle exists between the vertical direction and the lower side, so that the heat cannot be completely dissipated.

Disclosure of Invention

The utility model aims to provide a heat dissipation device with a novel structure.

Another object of the present utility model is to provide a wireless charger having the heat sink.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a heat abstractor, includes the casing, the casing is equipped with air intake, air outlet and intercommunication the wind channel of air intake and air outlet, be equipped with radiator fan and radiator on the wind channel, radiator fan is located one side of radiator, the radiator is equipped with the heat dissipation passageway, the heat dissipation passageway is formed with first thermovent in first direction, is formed with the second thermovent in the second direction, the air outlet is including setting up the casing is towards first export on the lateral wall of first thermovent and set up the casing is towards second export on the lateral wall of second thermovent.

Preferably, the heat dissipation member is provided with a plurality of heat dissipation channels, and a plurality of heat dissipation channels are mutually intersected and communicated.

Preferably, the first direction and the second direction are perpendicular to each other.

Preferably, the heat dissipation member includes a heat dissipation body and a plurality of heat dissipation protrusions disposed on the heat dissipation body, the plurality of heat dissipation protrusions extend in a third direction, and gaps between every two adjacent heat dissipation protrusions in the plurality of heat dissipation protrusions form the heat dissipation channel.

Preferably, the heat dissipation protrusions are distributed in a matrix array.

Preferably, the third direction is perpendicular to the first direction.

Preferably, the heat dissipation channel is formed with a third heat dissipation port in the third direction, and the air outlet further comprises a third outlet arranged on a side wall of the shell facing the third heat dissipation port.

Preferably, the third outlet is disposed facing an end of the heat dissipation element away from the heat dissipation fan.

Preferably, a heat storage part is arranged in the shell, and the heat storage part and the heat dissipation main body are positioned on two opposite sides of the heat dissipation protrusion.

Preferably, the heat storage member is a phase change heat storage member.

The wireless charger comprises a wireless charger main body and the heat dissipation device, wherein the heat dissipation device further comprises a semiconductor refrigerator, the wireless charger main body and the semiconductor refrigerator are arranged in the shell, the refrigeration end of the semiconductor refrigerator is connected with the wireless charger main body, and the heat dissipation end of the semiconductor refrigerator is connected with the heat dissipation piece.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

after the technical scheme is adopted, the first heat radiation opening and the second heat radiation opening are respectively arranged in two different directions of the heat radiation piece, the first outlet is correspondingly arranged at the position of the shell facing the first heat radiation opening, and the second outlet is correspondingly arranged at the position of the shell facing the second heat radiation opening, so that heat emitted by the heat radiation piece can be emitted from the first heat radiation opening through the first outlet and the second heat radiation opening through the second outlet in two different directions, a plurality of heat radiation positions in a plurality of directions are formed, the full discharge of hot air in the shell is ensured, some unnecessary heat radiation dead angles are eliminated, and the heat radiation performance is ensured.

Drawings

Fig. 1 is a schematic diagram of a wireless charger according to the present utility model.

Fig. 2 is a schematic diagram of a wireless charger according to the second embodiment of the present utility model.

Fig. 3 is an exploded view of the present utility model.

Fig. 4 is an exploded view of the present utility model.

Detailed Description

The following describes embodiments of the present utility model in detail with reference to the drawings, so that the implementation process of how the present utility model can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.

Certain terms are used throughout this disclosure to refer to particular components, and it should be understood by one skilled in the art that the description and claims do not take as much as differences in names as components, but rather as criteria for differences in functionality of the components. It should be noted that, unless otherwise specified, when an element is referred to as being "disposed" or "disposed" in another element, it can be directly disposed or disposed in the other element or intervening elements may also be present, either in a unitary or separate structure. When a component is described as being "connected" to another component, the component may be directly connected or connected through a intervening component, and may be integrally connected or may be separately connected. When an element is referred to as being "disposed on" another element, it is not intended that the element be positioned above or on the other element, but other locations are possible. The terms "upper", "lower", "left", "right", "high", "low" and the like are used herein with reference to the normal state of the product, and are for convenience of description only. The term "plurality" as used herein refers to two or more numbers. The terms "vertical," "horizontal," and the like as used herein refer to a generally vertical or generally horizontal state within reasonable tolerances and are not necessarily to be very precise.

Fig. 1 to 4 show an embodiment of the wireless charger of the present utility model, which comprises a wireless charger main body 1 and a heat sink.

The heat dissipation device comprises a shell 3, wherein the wireless charger main body 1 is arranged in the shell 3, the shell is provided with an air inlet 31, an air outlet and an air channel 32 communicated with the air inlet 31 and the air outlet, the air channel 32 is internally provided with a heat dissipation fan 33 and a heat dissipation piece 34, the heat dissipation fan 33 is positioned on one side of the heat dissipation piece 34, the heat dissipation fan 33 and the heat dissipation piece 34 are sequentially arranged along the air outlet direction of the air channel 32, the semiconductor refrigerator 2 is arranged in the shell 3, the semiconductor refrigerator 2 is provided with a cold end and a hot end, the heat dissipation piece 34 is connected with the hot end of the semiconductor refrigerator 2, and the wireless charger main body 1 is arranged at the cold end of the semiconductor refrigerator 2.

In this embodiment, the heat dissipation element 34 is an aluminum heat dissipation element, which includes a flat heat dissipation main body 341 and a plurality of heat dissipation protrusions 342 arranged in a matrix array in a third direction x of the heat dissipation main body 341, and the heat dissipation protrusions 342 extend for a certain length along the third direction x, wherein gaps between adjacent heat dissipation protrusions 342 are mutually communicated to form a plurality of grid-shaped heat dissipation channels intersecting each other, and the heat dissipation element 34 forms a plurality of first heat dissipation openings 343 on one side in the first direction y, forms a plurality of second heat dissipation openings 344 on one side in the second direction z, forms a plurality of third heat dissipation openings 345 on one side in the third direction x, and preferably forms two mutually perpendicular directions in the first direction y, the second direction z and the third direction x in this embodiment, and correspondingly, the air outlets include first outlets 36 arranged on a side wall of the housing 3 facing the first heat dissipation openings 343, that is, the first outlets 36 are arranged facing the first heat dissipation openings 343 and are communicated with the first heat dissipation openings 343, and second outlets 37 arranged on a side wall of the housing 3 facing the second heat dissipation openings 344, that is also arranged facing the second heat dissipation openings 37, and then the second heat dissipation openings are respectively discharged from the first heat dissipation openings 344, the second outlets 37 and the second heat dissipation channels are respectively.

In this embodiment, the air outlet further includes a third outlet 35 disposed on a side wall of the housing 3 facing the third heat dissipation port 345, that is, the third outlet 35 is disposed facing the third heat dissipation port 345 and is in communication with the third heat dissipation port 345, so that the heat dissipation fan 33 discharges external cold air from the air inlet 31 through the air duct and the heat dissipation channel and then from the third outlet 35, and in this embodiment, the third outlets 35 are arranged in two rows. Preferably, the third outlet 35 is disposed facing the end of the heat sink 34 away from the heat dissipating fan 33, i.e., the third outlet 35 is disposed adjacent to the second outlet 37, so that the heat dissipating fan 33 can blow external cold air to the end of the heat sink 34 away from the heat dissipating fan 33 and then discharge the cold air from the first outlet 36, the second outlet 37 and the third outlet 35, thereby forming a three-dimensional heat dissipating effect.

In this embodiment, the housing is provided with a planar bottom 38 and a side 39 perpendicular to the bottom 38 and consisting of a planar portion and an arcuate portion, the third outlet 35 is provided on the bottom 38 at a position corresponding to the position of the heat sink 34, the first outlet 36 is provided on the planar portion of the side 39, and the second outlet 37 is provided on the arcuate portion of the side 39.

According to the wireless charger, the semiconductor refrigerator cools towards one charging end of the mobile phone under the refrigeration of the semiconductor refrigerator, and radiates heat at the opposite end, the aluminum radiator radiates heat, and under the action of the radiating fans such as the fan, the heat is radiated from three directions of the first direction y, the second direction z and the third direction x, one air inlet and one air outlet are formed, a three-dimensional radiating air channel is formed, according to the rising principle of hot air, the opening air channel radiates heat in the three directions of the first direction y, the second direction z and the third direction x, the design of a plurality of outlets ensures the full discharge of the hot air, eliminates some unnecessary radiating dead angles, ensures the adjustment of the radiating performance of the semiconductor refrigerator, the flowing direction of the space and the air quantity, and ensures the influence error of turbulent flow, thereby keeping the charging end of the mobile phone refrigerated and the charging efficiency unaffected.

In order to make the heat below the vertical direction (the direction in which the third direction x is located) of the heat dissipation element dissipate more completely, the heat storage element 4 is adopted to conduct auxiliary heat dissipation at the part below the vertical direction of the corresponding heat dissipation element, which is not provided with the third outlet 35, namely, the heat storage element 4 is arranged towards one end of the heat dissipation element 34, which is close to the heat dissipation fan 33, when the wireless charger is in use, the heat storage element 4 absorbs the heat which cannot be dissipated in time in the shell, so that the temperature in the shell is prevented from rising too quickly, and when the wireless charger is not in use, the absorbed heat is slowly released through the heat storage element 4.

In this embodiment, the heat storage member 4 is a phase-change heat storage member made of a phase-change material, preferably a phase-change heat absorption film, which is composed of a pure organic phase-change material (PCM) and a heat conduction enhancing material, and the material is selected to have the advantages of high heat energy storage capacity, high heat conductivity, strong phase-change cycle stability, high chemical inertness, and cycle number greater than 10000, insulation, flame retardance, no toxicity and no corrosion.

In contrast, other organic phase-change materials can become liquid after phase change, flow everywhere and are difficult to use in electronic components, and the phase-change heat-absorbing film manufactured by using high-molecular phase-change plastic injection molding can well overcome the problem of liquid after phase change, namely, the film still has no fluidity after absorbing a large amount of heat after phase change; therefore, it can be directly used in an electronic component (such as the heat storage member 4 applied in the present embodiment) to play a role in heat absorption and temperature control.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims (10)

1. The utility model provides a heat abstractor, includes the casing, the casing is equipped with air intake, air outlet and intercommunication air flue of air intake and air outlet, be equipped with radiator fan and radiator in the air flue, radiator fan is located one side of radiator, its characterized in that, radiator is equipped with the heat dissipation passageway, the heat dissipation passageway is formed with first thermovent in first direction, is formed with the second thermovent in the second direction, the air outlet is including setting up the casing is towards first export on the lateral wall of first thermovent and set up the casing is towards second export on the lateral wall of second thermovent.

2. The heat dissipating device according to claim 1, wherein the heat dissipating member is provided with a plurality of heat dissipating channels, and a plurality of the heat dissipating channels are disposed to intersect with each other and communicate with each other.

3. The heat sink of claim 1, wherein the first direction and the second direction are perpendicular to each other.

4. A heat dissipating device according to any one of claims 1 to 3, wherein said heat dissipating member comprises a heat dissipating body and a plurality of heat dissipating protrusions protruding from said heat dissipating body, a plurality of said heat dissipating protrusions being provided extending in a third direction, and gaps between a plurality of adjacent two of said heat dissipating protrusions forming said heat dissipating channels.

5. The heat dissipating device of claim 4, wherein the heat dissipating protrusions are distributed in a matrix array; and/or, the third direction is perpendicular to the first direction.

6. The heat dissipating device of claim 4, wherein the heat dissipating channel is formed with a third heat dissipating port in the third direction, and the air outlet further comprises a third outlet provided on a side wall of the housing facing the third heat dissipating port.

7. The heat dissipating device of claim 6, wherein the third outlet is disposed facing an end of the heat dissipating member remote from the heat dissipating fan.

8. The heat dissipating device of claim 4, wherein a heat storage member is disposed within said housing, said heat storage member and said heat dissipating body being located on opposite sides of said heat dissipating protrusion.

9. The heat sink of claim 8 wherein the heat storage member is a phase change heat storage member.

10. A wireless charger, characterized in that the wireless charger comprises a wireless charger main body and the heat dissipation device according to any one of claims 1 to 9, the heat dissipation device further comprises a semiconductor refrigerator, the wireless charger main body and the semiconductor refrigerator are both arranged in the shell, the refrigeration end of the semiconductor refrigerator is connected with the wireless charger main body, and the heat dissipation end of the semiconductor refrigerator is connected with the heat dissipation piece.