CN209767167U

CN209767167U - Active cooling type wireless charger

Info

Publication number: CN209767167U
Application number: CN201890000248.XU
Authority: CN
Inventors: 廖卓文
Original assignee: Guangdong High Pda Group Ltd By Share Ltd
Current assignee: Guangdong High Pda Group Ltd By Share Ltd; Guangdong Gopod Group Holding Co Ltd
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2019-12-10
Anticipated expiration: 2028-12-28
Also published as: WO2020133150A1; TWM597007U

Abstract

The scheme provides an active cooling type wireless charger (100), which comprises a shell (10), a charging coil (21), a main control board (22) and a cooling fan (23), wherein the shell (10) comprises a bottom shell (13), a metal box (12) and a cover plate (11); during metal cassette (12) was located in charging coil (21) and main control board (22), one side that charging coil (21) deviate from apron (11) was located in main control board (22), and the bottom surface laminating of metal cassette (12) has semiconductor refrigeration piece (24). According to the scheme, the main control board is arranged on the charging coil and deviates from the cover plate I, so that the occupied area is reduced; and set up the metal box, set up charging coil and main control board in the metal box to at the bottom surface laminating semiconductor refrigeration piece of metal box, then can initiatively refrigerate the metal box, in order to cool down main control board and charging coil in the metal box, guarantee that the charging coil well works.

Description

Active cooling type wireless charger

Technical Field

The utility model belongs to the wireless charger field, more specifically say, relate to a wireless charger of initiative cooling formula.

Background

With the development of technology and the popularization of smart phones, wireless charging is increasingly used due to the convenience of use. However, when electronic devices such as mobile phones are wirelessly charged, the mobile phones and the chargers generate a large amount of heat, and the heat is accumulated between the electronic devices and the chargers, which not only affects the charging safety, but also affects the charging efficiency. In order to solve such a problem, a semiconductor refrigeration charger is proposed, in which a semiconductor refrigeration sheet is disposed on a bottom surface of a coil to directly refrigerate and dissipate heat from the coil. However, the wireless charger needs to arrange the main control board at the side of the coil, and a space needs to be separately arranged in the housing to place the main control board, so that the wireless charger occupies a large area.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an initiative cooling formula wireless charger to solve the wireless charger area occupied big problem that exists among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: the active cooling type wireless charger comprises a shell, a charging coil, a main control board and a cooling fan, wherein the charging coil is installed in the shell, the main control board is installed in the shell, the cooling fan is installed in the shell, and the shell comprises a bottom shell, a metal box and a cover plate, the metal box is installed on the bottom shell, and the cover plate covers the metal box; the charging coil with the main control board is arranged in the metal box, the main control board is located the charging coil deviates from one side of apron, radiator fan install in on the drain pan, the gas pocket is seted up to the drain pan bottom, the bottom surface laminating of metal box has the semiconductor refrigeration piece, radiator fan is located the position that the semiconductor refrigeration piece corresponds.

Furthermore, the active cooling type wireless charger further comprises a radiator attached to the semiconductor refrigeration piece, the radiator is located on one surface, deviating from the metal box, of the semiconductor refrigeration piece, and the radiating fan is connected with the radiator.

further, the metal box is an aluminum box.

Furthermore, one side of the metal box, which is close to the cover plate, is provided with a positioning groove, and the edge of the bottom surface of the cover plate is convexly provided with a positioning rib which is matched with the positioning rib and extends into the positioning groove.

Further, the charging coil is a plurality of, and a plurality of the charging coil covers the bottom surface of the apron.

Furthermore, the active cooling type wireless charger further comprises a supporting disc for supporting the charging coil, and the supporting disc is fixedly connected with the cover plate.

Furthermore, an accommodating cavity for accommodating the heat dissipation fan is arranged in the bottom shell, and the air hole is formed in the bottom of the accommodating cavity.

Further, the wireless charger of initiative cooling formula still includes the supporting seat that is used for with the casing slope is supported, the casing with the supporting seat is articulated.

Furthermore, the supporting seat comprises a supporting shell capable of covering the bottom surface of the casing and a supporting plate for supporting the casing, one end of the supporting plate is hinged to the supporting shell, the other end of the supporting plate is hinged to the casing, and a supporting block hinged to the supporting plate is arranged on one side of the supporting shell.

Furthermore, a positioning hinge for positioning the rotating position is installed in the casing, and the positioning hinge is connected with the support plate.

furthermore, the bottom of the casing is provided with a containing groove for containing the support plate.

Furthermore, a supporting plate for supporting the casing is installed on the supporting shell, and an opening for the supporting block to extend out is formed in the supporting plate.

Furthermore, a gasket is arranged on one side, far away from the support block, of the support plate.

Furthermore, the support shell is provided with an airflow hole corresponding to the air hole.

The utility model provides an initiative cooling formula wireless charger's beneficial effect is in: compared with the prior art, the main control board is arranged on the charging coil and deviates from the cover plate I, so that the occupied area is reduced; the metal box is arranged, the charging coil and the main control panel are arranged in the metal box, and the cover plate covers the metal box, so that the charging coil and the main control panel can be conveniently supported, and a good water splashing prevention effect can be achieved; semiconductor refrigeration piece of laminating in the bottom surface of metal box then can initiatively refrigerate the metal box to main control panel and charging coil cool down in to the metal box, guarantee the good work of charging coil.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

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

Fig. 2 is an exploded schematic view of an active cooling wireless charger according to an embodiment of the present invention;

Fig. 3 is a first schematic structural diagram of the case of the active cooling wireless charger of fig. 1 when the case is supported obliquely;

Fig. 4 is a second schematic structural diagram of the case of the active cooling wireless charger of fig. 1 when the case is supported obliquely.

Wherein, in the drawings, the reference numerals are mainly as follows:

100-an active cooling type wireless charger; 10-a housing; 11-a cover plate; 111-locating ribs; 12-a metal box; 121-positioning grooves; 13-a bottom shell; 131-air holes; 132-a housing chamber; 133-slotting; 134-a receiving groove; 21-a charging coil; 211-a support disk; 22-a main control board; 23-a radiator fan; 24-semiconductor refrigeration piece; 25-a heat sink;

30-a support seat; 31-a support shell; 311-airflow holes; 312-a branch block; 313-a baffle; 314-support ribs; 32-a support plate; 33-a positioning hinge; 34-a support plate; 341-opening; 342-through port; 35-spacer.

Detailed Description

in order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will 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 be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 4, an active cooling type wireless charger 100 according to the present invention will now be described. The active cooling type wireless charger 100 comprises a casing 10, a charging coil 21, a main control board 22, a semiconductor refrigeration sheet 24 and a cooling fan 23, wherein the charging coil 21, the main control board 22 and the cooling fan 23 are installed in the casing 10 to protect the devices through the casing 10. The charging coil 21 is electrically connected to the main control board 22, so that the charging coil 21 is controlled by the main control board 22 to wirelessly charge the electronic device such as a mobile phone. The casing 10 includes a bottom case 13, a metal box 12 and a cover plate 11, the cover plate 11 covers the metal box 12, the charging coil 21 and the main control board 22 are disposed in the metal box 12 to protect and support the charging coil 21 and the main control board 22, and the charging coil 21 and the main control board 22 can play a role of preventing water from splashing and prevent the water from entering the metal box 12; the metal case 12 is mounted on the bottom case 13 to connect the bottom case 13 with the metal case 12. The main control board 22 is disposed on one side of the charging coil 21 away from the cover plate 11 to reduce the occupied area and improve the space utilization of the housing 10, so that the active cooling wireless charger 100 can be made smaller. Semiconductor refrigeration piece 24 pastes the bottom surface at metal box 12 to initiatively cool down metal box 12, and then cool down main control panel 22 and charging coil 21 in the metal box 12, charge electronic equipment well with guaranteeing charging coil 21. The heat dissipation fan 23 is installed on the bottom case 13, and the position of the heat dissipation fan 23 corresponds to the position of the semiconductor refrigeration piece 24, so as to dissipate heat of the semiconductor refrigeration piece 24 and ensure good operation of the semiconductor refrigeration piece 24. The bottom case 13 is provided with an air hole 131 for flowing out the hot air when the heat dissipation fan 23 is working.

Compared with the prior art, the active cooling wireless charger 100 provided by the utility model has the advantages that the main control board 22 is arranged on the charging coil 21, and is deviated from the cover plate 11, so as to reduce the occupied area; the metal box 12 is arranged, the charging coil 21 and the main control board 22 are arranged in the metal box 12, and the cover plate 11 covers the metal box 12, so that the charging coil 21 and the main control board 22 can be supported conveniently, and a good water splashing prevention effect can be achieved; semiconductor refrigeration piece 24 is laminated at the bottom surface of metal box 12, then can initiatively refrigerate metal box 12 to main control panel 22 and charging coil 21 cool down in metal box 12, guarantee charging coil 21 good work.

Further, please refer to fig. 2, as a specific embodiment of the active cooling wireless charger 100 according to the present invention, the active cooling wireless charger 100 further includes a heat sink 25 attached to the semiconductor cooling plate 24, the heat sink 25 is located on a side of the semiconductor cooling plate 24 departing from the metal box 12, and the heat dissipation fan 23 is connected to the heat sink 25. The heat radiator 25 is provided so that the heat radiation fan 23 can radiate heat to the semiconductor cooling fins 24 better.

Further, please refer to fig. 2, as a specific embodiment of the active cooling wireless charger 100 provided by the present invention, the metal box 12 is an aluminum box to ensure good thermal conductivity and good strength of the metal box 12. Of course, in other embodiments, the metal case 12 may be a stainless steel case, or the like.

Further, please refer to fig. 2, as the utility model provides an active cooling formula wireless charger 100's a specific implementation, charging coil 21 is a plurality of, and a plurality of charging coils 21 cover the bottom surface of apron 11 to place electronic equipment on apron 11 wantonly, all can correspond with a charging coil 21, to carry out wireless charging to electronic equipment, in order to make things convenient for the user to use.

Further, please refer to fig. 2, as a specific implementation manner of the active cooling wireless charger 100 provided by the present invention, the active cooling wireless charger 100 further includes a supporting plate 211 supporting the charging coil 21, and the supporting plate 211 is fixedly connected to the cover plate 11. Set up supporting disk 211 to in support charging coil 21, and then conveniently fix charging coil 21 in apron 11 bottom surface. Of course, in some other embodiments, the charging coil 21 may be adhered to the bottom surface of the cover plate 11 or the charging coil 21 may be supported on the main control plate 22.

Further, when the number of the charging coils 21 is plural, the plurality of charging coils 21 are mounted on the supporting plate 211 to support the plurality of charging coils 21 through the supporting plate 211, so that the plurality of charging coils 21 are conveniently supported on the cover plate 11, and layout and assembly of the plurality of charging coils 21 are also convenient. In addition, the structure can also make the active cooling type wireless charger 100 larger, so that a plurality of electronic devices can be wirelessly charged at the same time.

Further, please refer to fig. 2, as a specific embodiment of the active cooling wireless charger 100 of the present invention, two cooling fans 23 are disposed in the housing 10, so that the two cooling fans 23 can work simultaneously, and the cooling efficiency is improved. In other embodiments, only one heat dissipation fan 23 may be disposed in the casing 10. In some embodiments, three, four, five, etc. heat dissipation fans 23 may be disposed in the casing 10.

Further, referring to fig. 2, as a specific embodiment of the active cooling wireless charger 100 of the present invention, there are two semiconductor cooling fins 24 to better actively cool the metal box 12. In other embodiments, only one semiconductor cooling plate 24 may be provided. In still other embodiments, the number of semiconductor cooling fins 24 may be three, four, five, etc.

Further, referring to fig. 2, as an embodiment of the active cooling type wireless charger 100 provided by the present invention, two heat sinks 25 are respectively connected to the two semiconductor cooling fins 24. In other embodiments, the heat sink 25 may be one and connected to the semiconductor cooling fins 24 on the bottom surface of the metal case 12. Of course, in other embodiments, the heat sinks 25 may correspond to the semiconductor cooling fins 24 one to one.

Further, referring to fig. 1, fig. 2 and fig. 4, as a specific embodiment of the active cooling wireless charger 100 of the present invention, a positioning groove 121 is disposed on one side of the metal box 12 close to the cover plate 11, and a positioning rib 111 protruding into the positioning groove 121 is disposed on the edge of the bottom surface of the cover plate 11. Positioning grooves 121 are provided on the metal case 12, positioning ribs 111 are provided on the cover plate 11, and the positioning ribs 111 are inserted into the positioning grooves 121 to position the cover plate 11 with the metal case 12, facilitating the attachment of the cover plate 11 with the metal case 12. Furthermore, in the present embodiment, the positioning groove 121 surrounds the metal box 12, which facilitates the manufacturing process.

further, referring to fig. 1, fig. 2 and fig. 4, as an embodiment of the active cooling wireless charger 100 of the present invention, the bottom case 13 is provided with an accommodating cavity 132 for accommodating the heat dissipation fan 23, and the air hole 131 is opened at the bottom of the accommodating cavity 132. An accommodation chamber 132 is provided in the bottom case 13 to mount and fix the heat dissipation fan 23.

Further, referring to fig. 2 to 4, as an embodiment of the active cooling wireless charger 100 of the present invention, the active cooling wireless charger 100 further includes a supporting base 30 for supporting the casing 10 in an inclined manner, and the casing 10 is hinged to the supporting base 30. The supporting base 30 is provided and the casing 10 is hinged to the supporting base 30, so that the casing 10 can be tilted by rotating the casing 10 relative to the supporting base 30, so that the electronic device is placed on the cover plate 11 of the casing 10 in a tilted position to support the electronic device for using the electronic device.

Further, referring to fig. 2 to 4, as a specific embodiment of the active cooling wireless charger 100 according to the present invention, the supporting base 30 includes a supporting shell 31 and a supporting plate 32, one end of the supporting plate 32 is hinged to the supporting shell 31, the other end of the supporting plate 32 is hinged to the casing 10, and a supporting block 312 hinged to the supporting plate 32 is disposed on one side of the supporting shell 31, so that when the charger is used, the casing 10 can be rotated to enable the casing 10 to be in an inclined position, one side of the casing 10 can be supported on the supporting shell 31, and the supporting plate 32 supports the bottom surface of the casing 10, so as to support the casing 10 on the supporting shell 31 in an inclined manner. The supporting housing 31 is provided to hold the electronic device stably when the housing 10 is supported at an inclination, and the electronic device is supported by the supporting housing 31; at the same time, the housing 10 may be rotated such that the supporting case 31 covers the bottom surface of the housing 10 to protect the housing 10 and reduce the occupied space.

Further, referring to fig. 2 to 4, as a specific embodiment of the active cooling wireless charger 100 provided by the present invention, a positioning hinge 33 for positioning a rotating position is installed in the housing 10, and the positioning hinge 33 is connected to the support plate 32. A positioning hinge 33 is disposed in the housing 10, and the positioning hinge 33 is connected to the support plate 32, so that when the housing 10 is rotated, the housing 10 can be positioned, and the electronic device can be better supported by the housing 10. Of course, in other embodiments, a stop block may be disposed on the casing 10 or the supporting shell 31 to block the supporting plate 32 to define the angular position of the supporting plate 32, so as to position the casing 10.

Further, referring to fig. 2 to 4, as an embodiment of the active cooling wireless charger 100 of the present invention, a receiving groove 134 for receiving the supporting plate 32 is disposed at the bottom of the housing 10. The bottom of the casing 10 is provided with a receiving groove 134 for receiving the support plate 32, and when the casing 10 is rotatably placed on the support shell 31, the support plate 32 can be placed in the receiving groove 134, so that the occupied space is reduced. Specifically, the receiving groove 134 is disposed on the bottom surface of the bottom case 13.

Further, referring to fig. 2 to 4, as a specific embodiment of the active cooling wireless charger 100 of the present invention, a supporting plate 34 for supporting the housing 10 is installed on the supporting shell 31, and an opening 341 for the supporting block 312 to extend out is opened on the supporting plate 34. A support plate 34 is provided on the support shell 31, so that when the casing 10 is received on the support shell 31, the casing 10 can be better supported by the support plate 34; the supporting plate 34 can also better support the lower side of the casing 10 when the casing 10 is inclinedly supported.

Further, referring to fig. 2 to 4, as a specific implementation of the active cooling wireless charger 100 of the present invention, in the embodiment, there are two support plates 32, and the two support plates 32 are respectively located at two ends of the housing 10 in the length direction. In other embodiments, the number of plates 32 can be one, three, four, etc.

Further, referring to fig. 2 to 4, as an embodiment of the active cooling wireless charger 100 of the present invention, a gasket 35 is disposed on a side of the supporting plate 34 away from the supporting block 312. The supporting plate 34 is provided with a gasket 35, when the casing 10 is supported obliquely, the lower side of the casing 10 can be abutted against the gasket 35 to prevent the casing 10 from falling down, so as to better support the casing 10, and when in use, the gasket 35 can also support the electronic device to prevent the electronic device from sliding down.

Further, a baffle 313 is protruded from a side of the supporting shell 31 away from the supporting block 312 toward the casing 10, so that when the casing 10 is obliquely disposed and supports the electronic device, the baffle 313 can position the electronic device, and the electronic device is better prevented from slipping down.

Furthermore, the casing 10 is correspondingly provided with a slot 133 for accommodating the baffle 313, so that when the casing 10 is folded on the supporting shell 31, the baffle 313 can be placed in the slot 133, that is, the casing 10 can be positioned, and the occupied space can be reduced. Specifically, the slot 133 is provided at one side of the bottom case 13.

Further, referring to fig. 2 to 4, as an embodiment of the active cooling wireless charger 100 of the present invention, an airflow hole 311 is disposed on the supporting shell 31 corresponding to the air hole 131. When the casing 10 is received on the supporting shell 31, the external air can enter the casing 10 through the airflow holes 311 and the air holes 131, so that the heat dissipation use is facilitated.

Further, when the supporting plate 34 is disposed on the supporting shell 31, a through hole 342 is opened on the supporting plate 34 corresponding to the air flow hole 311 to expose the air flow hole 311.

Further, the support shell 31 is provided with support ribs 314 to support the support plate 34, so as to stably fix the support plate 34 to the support shell 31.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Initiative cooling formula wireless charger, including the casing, install in charging coil in the casing, install in main control board in the casing and install in radiator fan in the casing, its characterized in that: the shell comprises a bottom shell, a metal box arranged on the bottom shell and a cover plate covering the metal box; the charging coil with the main control board is arranged in the metal box, the main control board is located the charging coil deviates from one side of apron, radiator fan install in on the drain pan, the gas pocket is seted up to the drain pan bottom, the bottom surface laminating of metal box has the semiconductor refrigeration piece, radiator fan is located the position that the semiconductor refrigeration piece corresponds.

2. The active cooling wireless charger of claim 1, wherein: the active cooling type wireless charger further comprises a radiator attached to the semiconductor refrigeration piece, the radiator is located on one surface, deviating from the metal box, of the semiconductor refrigeration piece, and the cooling fan is connected with the radiator.

3. The active cooling wireless charger of claim 1, wherein: the metal box is an aluminum box.

4. The active cooling wireless charger of claim 1, wherein: one side of the metal box, which is close to the cover plate, is provided with a positioning groove, and the edge of the bottom surface of the cover plate is convexly provided with a positioning rib which is matched with the positioning groove to extend into the positioning groove.

5. The active cooling wireless charger of claim 1, wherein: the charging coil is a plurality of, and is a plurality of the charging coil covers the bottom surface of apron.

6. The active cooling wireless charger of claim 1, wherein: the active cooling type wireless charger further comprises a supporting disc for supporting the charging coil, and the supporting disc is fixedly connected with the cover plate.

7. The active cooling wireless charger of any one of claims 1-6, wherein: the bottom shell is internally provided with an accommodating cavity for accommodating the heat radiation fan, and the air hole is formed in the bottom of the accommodating cavity.

8. The active cooling wireless charger of any one of claims 1-6, wherein: the active cooling type wireless charger further comprises a supporting seat used for supporting the casing in an inclined mode, and the casing is hinged to the supporting seat.

9. The active cooling wireless charger of claim 8, wherein: the supporting seat comprises a supporting shell capable of covering the bottom surface of the casing and a supporting plate for supporting the casing, one end of the supporting plate is hinged to the supporting shell, the other end of the supporting plate is hinged to the casing, and a supporting block hinged to the supporting plate is arranged on one side of the supporting shell.

10. The active cooling wireless charger of claim 9, wherein: and a positioning hinge for positioning the rotating position is arranged in the shell and connected with the support plate.

11. The active cooling wireless charger of claim 9, wherein: and the bottom of the machine shell is provided with a containing groove for containing the support plate.

12. The active cooling wireless charger of claim 9, wherein: the supporting shell is provided with a supporting plate for supporting the casing, and the supporting plate is provided with an opening for the supporting block to extend out.

13. The active cooling wireless charger of claim 12, wherein: and a gasket is arranged on one side of the supporting plate, which is far away from the supporting block.

14. The active cooling wireless charger of claim 9, wherein: and the support shell is provided with airflow holes corresponding to the air holes.