CN113555941B - Wireless charging device - Google Patents
Wireless charging device Download PDFInfo
- Publication number
- CN113555941B CN113555941B CN202110866075.8A CN202110866075A CN113555941B CN 113555941 B CN113555941 B CN 113555941B CN 202110866075 A CN202110866075 A CN 202110866075A CN 113555941 B CN113555941 B CN 113555941B
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- heat dissipation
- wireless charging
- cavity
- heat
- outer shell
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 144
- 238000009423 ventilation Methods 0.000 claims abstract description 49
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 238000009413 insulation Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 230000005855 radiation Effects 0.000 claims abstract description 6
- 229910010293 ceramic material Inorganic materials 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000002955 isolation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention relates to the technical field of wireless charging, in particular to a wireless charging device, which comprises a supporting mechanism, a refrigerating sheet, a heat dissipation mechanism and a wireless charging module, wherein the supporting mechanism comprises an outer shell and a supporting plate; the refrigerating surface of the refrigerating sheet is arranged against the supporting plate; the cooling mechanism comprises a cooling structure and a ventilation structure, the cooling structure is arranged on one side of the supporting part, which is away from the supporting plate, a part of the cooling structure is abutted against the heating surface of the refrigerating sheet, and the ventilation structure is arranged abutted against the cooling structure; the wireless charging module is arranged between the other part of the heat radiation structure and the surface of the supporting part, which is away from the heat insulation cavity. According to the wireless charging device, heat isolation between the wireless charging module and the mobile phone is achieved during charging, the supporting plate is cooled, the wireless charging module is cooled, and the heat dissipation effect and the charging efficiency are remarkably improved.
Description
Technical Field
The invention relates to the technical field of wireless charging, in particular to a wireless charging device.
Background
With the rapid development of wireless charging technology, in order to better meet consumer experience, the charging time of mobile phones is reduced, and the power of wireless charging devices in the market is increased. However, the higher the power of the wireless charging device is, the more easily it generates heat, and thus the higher the temperature of the wireless charger, the longer the charging time, so the heat dissipation of the wireless charger becomes a major problem of the power increase and the shortening of the charging time.
In the prior art, the heat dissipation mode of the electronic equipment is mainly that the heat is dissipated through the shell of the electronic equipment; or the wireless charger with relatively high power adopts a mode of a plurality of small fans, and then the air is sucked from an external air inlet through the internal fans, so that heat generated by an internal structure is taken away in the flowing process of wind, and the heat is brought out of the wireless charger.
However, when the wireless charger is subjected to heat dissipation in the mode, the heat dissipation efficiency is low, and the product appearance of the wireless charger is limited greatly; and when ambient temperature is too high, the heat dissipation can be seriously influenced, and then the charging power and the charging efficiency of the wireless charger are low, high-power charging cannot be supported for a long time, and the charging efficiency of the wireless charger is reduced.
Disclosure of Invention
The invention aims to provide a wireless charging device, which is capable of remarkably improving heat dissipation efficiency, prolonging high-power charging time, reducing total charging time and improving charging efficiency of the wireless charging device.
In order to achieve the above object, the following technical scheme is provided:
a wireless charging device, comprising:
the supporting mechanism comprises an outer shell and a supporting plate, wherein a supporting part for supporting the supporting plate is arranged on the outer shell, a heat insulation cavity is arranged on the supporting part, and the surface, away from the heat insulation cavity, of the supporting plate is used for placing a mobile phone;
the refrigerating sheet is arranged close to the supporting plate and provided with a refrigerating surface facing the supporting plate and a heating surface facing away from the supporting plate;
The heat dissipation mechanism comprises a heat dissipation structure and a ventilation structure which are arranged in the outer shell, the heat dissipation structure is arranged on one side of the supporting part, which is away from the supporting plate, a part of the heat dissipation structure is attached to the heating surface, and the ventilation structure is attached to the heat dissipation structure and is used for air flow circulation;
The wireless charging module is arranged in the outer shell, and is arranged between the other part of the heat radiation structure and the surface of the supporting part, which is away from the heat insulation cavity.
Further, the heat dissipation structure is provided with a first heat dissipation part and a second heat dissipation part which are connected with each other, the first heat dissipation part is arranged close to the wireless charging module, and the second heat dissipation part is clamped between the heating surface and the ventilation structure.
Further, the heat dissipation structure is provided with a heat dissipation cavity, the heat dissipation cavity is positioned in the outer shell, one end of the heat dissipation cavity is communicated with the first heat dissipation part, and the other end of the heat dissipation cavity is communicated with the surface of the outer shell.
Further, a heat dissipation port communicated with the heat dissipation cavity is formed in the outer shell, and the first heat dissipation part, the heat dissipation cavity and the heat dissipation port form a heat dissipation channel.
Further, the ventilation structure comprises a ventilation cavity and a fan accommodated in the ventilation cavity, the ventilation cavity is positioned in the outer shell and communicated with the surface of the outer shell, and the fan is arranged towards the heat dissipation structure against which the refrigerating sheet is attached.
Further, a first ventilation opening communicated with the ventilation cavity is formed in the outer shell, and the fan, the ventilation cavity and the first ventilation opening form a ventilation path.
Further, an inner support used for fixing the circuit board is arranged in the outer shell, one end of the inner support abuts against the heat dissipation structure, and the other end of the inner support is detachably connected with the outer shell.
Further, the supporting plate is made of ceramic materials.
Further, the supporting portion is provided with a mounting groove in a penetrating manner along a direction perpendicular to the supporting plate, and the refrigerating sheet is accommodated in the mounting groove.
Further, the outer shell is provided with a containing groove communicated with the heat insulation cavity, and the supporting plate is contained in the containing groove.
The beneficial effects of the invention are as follows:
According to the wireless charging device, the heat insulation cavity is arranged on the supporting part of the outer shell, the wireless charging module is separated from the supporting plate by the heat insulation cavity, and the poor heat conduction performance of the heat insulation cavity can prevent heat of the wireless charging module from being transferred to the supporting plate, so that the heat is prevented from being directly conducted to the back of the mobile phone; the cooling surface of the cooling sheet is arranged close to the supporting plate to cool the mobile phone arranged on the supporting plate, and the heat on the heating surface of the cooling sheet is timely discharged out of the shell by the heat radiating mechanism; and meanwhile, the wireless charging module is radiated by utilizing the radiating structure, so that the mobile phone is cooled in the charging process of the mobile phone. Under the cooperation setting through thermal-insulated chamber, refrigeration piece and heat dissipation mechanism, need not to set up a plurality of fans and just can realize the separation to heat conduction between wireless charging module and the cell-phone to the backup pad cooling to and effectively dispel the heat to wireless charging module, showing and promoting radiating efficiency, the increase is high-power to charge long time, improves charging efficiency, saves product occupation space simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.
Fig. 1 is a schematic structural diagram of a wireless charging device according to an embodiment of the present invention;
Fig. 2 is an exploded view of a wireless charging device according to an embodiment of the present invention;
Fig. 3 is a schematic structural diagram of an outer casing of a wireless charging device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an inner bracket of a wireless charging device according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a second structure of an inner bracket of the wireless charging device according to the embodiment of the invention.
In the figure:
100-mobile phone; 200-a circuit board;
1-a supporting mechanism; 11-an outer shell; 111-a support; 112-insulating chamber; 113-mounting slots; 114-a receiving groove; 12-supporting plates; 13-an inner stent; 131-a bottom plate; 1311-second vent; 132-a first support; 1321-third vent; 133-a second support; 14-a base;
2-refrigerating sheets; 21-refrigerating surface; 22-heating surface;
3-a heat dissipation mechanism;
31-a heat dissipation structure; 311-a first heat sink; 3111-a heat sink body; 3112-heat fins; 312-a second heat sink; 313-heat dissipation chamber; 314—heat sink;
32-a ventilation structure; 321-a ventilation chamber; 322-fans; 323-a first vent;
4-wireless charging module.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be further described by the following detailed description with reference to the accompanying drawings.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those conventionally put in use, are merely for convenience of describing the present invention, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only, or to distinguish between different structures or components, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Referring to fig. 1 and 2, the present embodiment provides a wireless charging device, which includes a supporting mechanism 1, a cooling plate 2, a heat dissipation mechanism 3 and a wireless charging module 4, wherein the supporting mechanism 1 includes an outer housing 11 and a supporting plate 12, a supporting portion 111 for supporting the supporting plate 12 is provided on the outer housing 11, a heat insulation cavity 112 is provided on the supporting portion 111, and a surface of the supporting plate 12 facing away from the heat insulation cavity 112 is used for placing a mobile phone 100; the cooling plate 2 is arranged against the support plate 12 and has a cooling surface 21 facing the support plate 12 and a heat-generating surface 22 facing away from the support plate 12; the heat dissipation mechanism 3 comprises a heat dissipation structure 31 and a ventilation structure 32 which are arranged in the outer shell 11, wherein the heat dissipation structure 31 is arranged on one side of the supporting part 111, which is away from the supporting plate 12, a part of the heat dissipation structure is abutted against the heating surface 22, and the ventilation structure 32 is arranged abutted against the heat dissipation structure 31 and is used for air flow circulation; the wireless charging module 4 is disposed in the outer housing 11, and the wireless charging module 4 is disposed between another portion of the heat dissipation structure 31 and a surface of the supporting portion 111 facing away from the heat insulation cavity 112.
According to the wireless charging device of the embodiment, the heat insulation cavity 112 is arranged on the supporting part 111 of the outer shell 11, the wireless charging module 4 is separated from the supporting plate 12 by the heat insulation cavity 112, and the poor heat conduction performance of the heat insulation cavity 112 can prevent heat of the wireless charging module 4 from being transferred to the supporting plate 12, so that the heat is prevented from being directly conducted to the back of the mobile phone 100; the cooling surface 21 of the cooling plate 2 is arranged against the supporting plate 12 to cool the mobile phone 100 arranged on the supporting plate 12, and the heat on the heating surface 22 of the cooling plate 2 is timely discharged out of the outer shell 11 by the heat radiation mechanism 3; meanwhile, the heat dissipation structure 31 is utilized to dissipate heat of the wireless charging module 4, so that the mobile phone 100 is cooled better in the charging process of the mobile phone 100. Under the matched arrangement of the heat insulation cavity 112, the refrigerating sheet 2 and the heat radiation mechanism 3, the heat conduction between the wireless charging module 4 and the mobile phone 100 is blocked, the temperature of the supporting plate 12 is reduced, the wireless charging module 4 is effectively radiated, the heat radiation efficiency is obviously improved, the high-power charging time is prolonged, the total charging time is reduced, and the charging efficiency of the wireless charging device is improved; meanwhile, the arrangement of a plurality of fan structures in the traditional scheme is omitted by utilizing the components, so that the weight of products is reduced, and the occupied space of the products is saved.
Optionally, one side of the wireless charging module 4 abuts against another portion of the heat dissipation structure 31, and the other side abuts against a surface of the support 111 facing away from the heat insulation cavity 112.
Referring to fig. 1, the heat dissipation structure 31 has a first heat dissipation portion 311 and a second heat dissipation portion 312 connected to each other, the first heat dissipation portion 311 being disposed against the wireless charging module 4 to dissipate heat from the wireless charging module 4 through the first heat dissipation portion 311; the second heat dissipation portion 312 is sandwiched between the heating surface 22 and the ventilation structure 32, and can directly dissipate heat of the heating surface 22 of the cooling fin 2 through the second heat dissipation portion 312, and meanwhile, cold air is fed into the outer shell 11 by matching with the ventilation structure 32 to dissipate heat of the second heat dissipation portion 312, so that the cooling effect of the cooling fin 2 on the support plate 12 is improved.
Referring to fig. 1, the heat dissipation structure 31 has a heat dissipation cavity 313, the heat dissipation cavity 313 is located in the outer housing 11, one end of the heat dissipation cavity 313 is communicated with the first heat dissipation portion 311, the other end of the heat dissipation cavity is communicated with the surface of the outer housing 11, the heat dissipation cavity 313 is utilized to circulate with air outside the outer housing 11, heat dissipated by the first heat dissipation portion 311 is sent out of the outer housing 11, heat dissipation and temperature reduction are performed on the wireless charging module 4, and the time period that the wireless charging device charges the mobile phone 100 with high power is prolonged.
Optionally, the wireless charging module 4 is a wireless charging coil.
Referring to fig. 1, a heat dissipation port 314 communicating with a heat dissipation cavity 313 is provided on the outer housing 11, the first heat dissipation portion 311, the heat dissipation cavity 313 and the heat dissipation port 314 form a heat dissipation channel, and air flow collected in the heat dissipation cavity 313 can flow out from the heat dissipation port 314, and heat on the first heat dissipation portion 311 is taken away through the heat dissipation channel. Specifically, the heat dissipation ports 314 are provided with a plurality of heat dissipation ports 314, and the plurality of heat dissipation ports 314 are arranged on the outer shell 11 at intervals, so that the circulation of the hot air flow in the heat dissipation cavity 313 and the outside is accelerated, the heat dissipation effect of the heat dissipation channel is enhanced, and the heat dissipation efficiency is improved.
Alternatively, the first heat dissipating part 311 may be a heat sink or a heat dissipating column. Specifically, referring to fig. 2, the first heat dissipation portion 311 includes a heat dissipation portion body 3111 and heat dissipation fins 3112, the heat dissipation portion body 3111 is disposed towards the wireless charging module 4, the heat dissipation fins 3112 are disposed on a surface of the heat dissipation portion body 3111 facing away from the wireless charging module 4 and extend towards the heat dissipation cavity 313, and then the heat dissipation cavity 313 and the heat dissipation port 314 are effectively utilized by the first heat dissipation portion 311 to perform heat and cold exchange with the outside.
Referring to fig. 1, the ventilation structure 32 includes a ventilation cavity 321 and a fan 322 accommodated in the ventilation cavity 321, the ventilation cavity 321 is located in the outer shell 11 and is communicated with the surface of the outer shell 11, and the fan 322 is disposed towards the second heat dissipation portion 312 of the heat dissipation structure 31 where the cooling fin 2 is abutted. The fan 322 blows cold air to the second radiating part 312 and the refrigerating piece 2, and hot air is discharged to the outside of the outer shell 11 through the ventilation cavity 321, so that the cooling and heat dissipation of the refrigerating piece 2 are accelerated, the refrigerating effect of the refrigerating piece 2 on the supporting plate 12 is improved, and the wireless charging device is ensured to charge the mobile phone 100 with high power for a long time.
Referring to fig. 1, a first ventilation opening 323 communicated with the ventilation cavity 321 is provided on the outer casing 11, and the fan 322, the ventilation cavity 321 and the first ventilation opening 323 form a ventilation path, so that air flow in the ventilation cavity 321 exchanges heat with the outside, and heat on the second heat dissipation portion 312 and the heating surface 22 is timely taken away. Specifically, the first ventilation opening 323 is formed on the base 14 of the outer casing 11, and the heat dissipation opening 314 is formed on the top of the outer casing 11, so that the upper and lower sides of the outer casing 11 respectively form an airflow channel, thereby enhancing the heat dissipation effect. Optionally, a plurality of first ventilation openings 323 are provided, and the plurality of first ventilation openings 323 are arranged on the base 14 of the outer casing 11 at intervals, so that the speed of cooling air flowing into the ventilation cavity 321 is further accelerated, and the cooling and heat dissipation efficiency of the support plate 12 is improved.
Alternatively, the second heat sink 312 may be a heat sink or a heat sink post.
Referring to fig. 1, an inner bracket 13 for fixing the circuit board 200 is disposed in the outer housing 11, one end of the inner bracket 13 abuts against the heat dissipation structure 31, the other end of the inner bracket 13 is detachably connected to the base 14 of the outer housing 11, and two sides of the inner bracket 13 are respectively provided with a ventilation cavity 321 and a heat dissipation cavity 313, and the temperature in the outer housing 11 can be prevented from being overheated due to cooling and heat dissipation of the ventilation cavity 321 and the heat dissipation cavity 313, so that normal operation of the circuit board 200 is facilitated.
Alternatively, referring to fig. 1 and 5, the inner bracket 13 includes a base plate 131 and first and second supports 132 and 133 provided on the base plate 131, the first and second supports 132 and 133 being abutted against each other, forming a stable supporting structure within the outer case 11. Further, the bottom plate 131 is disposed on the base 14 of the outer housing 11, and the bottom plate 131 is provided with a second air vent 1311, and the second air vent 1311 is disposed corresponding to the first air vent 323 on the outer housing 11 and is communicated with the first air vent 323; the first support member 132 is disposed towards the support plate 12, the first heat dissipation portion 311 and the second heat dissipation portion 312 are respectively mounted on the first support member 132, and the first support member 132 is provided with a third air vent 1321 communicated with the second air vent 1311, one end of a ventilation cavity 321 of the ventilation structure 32 is communicated with the second air vent 1311, the other end is communicated with the third air vent 1321, and the fan 322 is accommodated in the third air vent 1321, so that heat from the heat generating surface 22 collected on the second heat dissipation portion 312 can be subjected to cold and heat exchange with the outside through the ventilation cavity 321, the second air vent 1311 and the first air vent 323 by using the fan 322.
Further, referring to fig. 1 and 4, the second supporting member 133 is disposed away from the supporting plate 12, a heat dissipation cavity 313 of the heat dissipation structure 31 is formed between the second supporting member 133 and the outer housing 11, the surface of the second supporting member 133 facing the heat dissipation cavity 313 is used for placing the circuit board 200, heat generated by the circuit board 200 due to operation can be dissipated through the heat dissipation cavity 313 and the heat dissipation opening 314, the connection portion between the first supporting member 132 and the second supporting member 133 is disposed towards the heat dissipation opening 314, and the heat dissipation fins 3112 of the first heat dissipation portion 311 extend towards the heat dissipation cavity 313, so that the first heat dissipation portion 311 effectively utilizes the heat dissipation cavity 313 and the heat dissipation opening 314 to perform heat and cold exchange with the outside.
Preferably, the support plate 12 is made of ceramic, and has the advantages of rapid heat dissipation, high hardness and good thermal shock resistance.
Alternatively, the support plate 12 may be integrally formed with the outer housing 11.
Referring to fig. 2 and 3, the supporting portion 111 is provided with a mounting groove 113 in a direction perpendicular to the supporting plate 12, the mounting groove 113 is communicated with the inside of the outer shell 11, the cooling fin 2 is accommodated in the mounting groove 113, so that the cooling fin 2 is conveniently attached to the second heat dissipation portion 312, the cooling surface 21 of the cooling fin is conveniently attached to the supporting plate 12, the heating surface 22 is attached to the second heat dissipation portion 312, and the cooling and heat dissipation of the cooling fin 2 by the ventilation structure 32 and the second heat dissipation portion 312 are also facilitated.
Referring to fig. 2 and 3, the installation groove 113 and the heat insulation cavity 112 are arranged on the support portion 111 along the support plate 12 at intervals, the accommodating groove 114 communicated with the heat insulation cavity 112 and the installation groove 113 is arranged on the outer shell 11, the support plate 12 is accommodated in the accommodating groove 114, so that one part of the support plate 12 is abutted against the heat insulation cavity 112, and the other part is abutted against the refrigeration surface 21 of the refrigeration piece 2, thereby realizing heat insulation and cooling of the support plate 12, and remarkably reducing the temperature rising rate of the support plate 12 and the mobile phone 100 placed on the support plate 12, and keeping the mobile phone 100 in a lower temperature range.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (7)
1. A wireless charging device, comprising:
The supporting mechanism (1) comprises an outer shell (11) and a supporting plate (12), wherein a supporting part (111) for supporting the supporting plate (12) is arranged on the outer shell (11), a heat insulation cavity (112) is arranged on the supporting part (111), and the surface, deviating from the heat insulation cavity (112), of the supporting plate (12) is used for placing a mobile phone (100);
A cooling plate (2), which cooling plate (2) is arranged against the support plate (12) and has a cooling surface (21) facing the support plate (12) and a heat-generating surface (22) facing away from the support plate (12);
The heat dissipation mechanism (3), the heat dissipation mechanism (3) comprises a heat dissipation structure (31) and a ventilation structure (32) which are arranged in the outer shell (11), the heat dissipation structure (31) is arranged on one side of the supporting part (111) which is away from the supporting plate (12), a part of the heat dissipation structure is abutted against the heating surface (22), and the ventilation structure (32) is abutted against the heat dissipation structure (31) and is used for air circulation;
The wireless charging module (4) is arranged in the outer shell (11), the wireless charging module (4) is arranged between the other part of the heat dissipation structure (31) and the surface of the supporting part (111) facing away from the heat insulation cavity (112), and the heat insulation cavity (112) is used for separating the wireless charging module (4) from the supporting plate (12);
The heat dissipation structure (31) is provided with a first heat dissipation part (311) and a second heat dissipation part (312) which are connected with each other, the first heat dissipation part (311) is arranged close to the wireless charging module (4), the second heat dissipation part (312) is clamped between the heating surface (22) and the ventilation structure (32), the heat dissipation structure (31) is provided with a heat dissipation cavity (313), the heat dissipation cavity (313) is positioned in the outer shell (11), one end of the heat dissipation cavity is communicated with the first heat dissipation part (311), the other end of the heat dissipation cavity is communicated with the surface of the outer shell (11), a heat dissipation opening (314) which is communicated with the heat dissipation cavity (313) is arranged on the outer shell (11), and the first heat dissipation part (311), the heat dissipation cavity (313) and the heat dissipation opening (314) form a heat dissipation channel;
The ventilation structure (32) feeds cold air into the outer shell (11) so as to radiate the second radiating part (312);
and the heat radiating cavity (313) is communicated with air outside the outer shell (11), so that heat radiated by the first heat radiating part (311) is sent out of the outer shell (11).
2. The wireless charging device according to claim 1, wherein the ventilation structure (32) comprises a ventilation cavity (321) and a fan (322) accommodated in the ventilation cavity (321), the ventilation cavity (321) is located in the outer shell (11) and is communicated with the surface of the outer shell (11), and the fan (322) is arranged towards the heat dissipation structure (31) against which the refrigerating sheet (2) is abutted.
3. The wireless charging device according to claim 2, wherein a first vent (323) communicating with the vent cavity (321) is provided on the outer housing (11), and the fan (322), the vent cavity (321) and the first vent (323) form a vent path.
4. The wireless charging device according to claim 1, wherein an inner bracket (13) for fixing a circuit board (200) is provided in the outer housing (11), one end of the inner bracket (13) abuts against the heat radiation structure (31), and the other end is detachably connected to the outer housing (11).
5. The wireless charging device according to claim 1, wherein the support plate (12) is of ceramic material.
6. The wireless charging device according to claim 1, wherein the supporting portion (111) is provided with a mounting groove (113) penetrating in a direction perpendicular to the supporting plate (12), and the cooling sheet (2) is accommodated in the mounting groove (113).
7. The wireless charging device according to claim 1, wherein the outer housing (11) is provided with a receiving groove (114) communicating with the heat insulation chamber (112), and the support plate (12) is received in the receiving groove (114).
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| CN202110866075.8A CN113555941B (en) | 2021-07-29 | 2021-07-29 | Wireless charging device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110866075.8A CN113555941B (en) | 2021-07-29 | 2021-07-29 | Wireless charging device |
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| CN113555941A CN113555941A (en) | 2021-10-26 |
| CN113555941B true CN113555941B (en) | 2024-06-25 |
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| CN202110866075.8A Active CN113555941B (en) | 2021-07-29 | 2021-07-29 | Wireless charging device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114884224A (en) * | 2022-05-18 | 2022-08-09 | 岚图汽车科技有限公司 | Wireless charging device, automobile and processing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208522487U (en) * | 2018-06-28 | 2019-02-19 | 欧格仕（厦门）科技有限公司 | A kind of wireless charging device |
| CN110932415A (en) * | 2019-12-19 | 2020-03-27 | 昆山联滔电子有限公司 | Wireless charger |
| CN215733564U (en) * | 2021-07-29 | 2022-02-01 | 昆山联滔电子有限公司 | Wireless charging device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3123486B1 (en) * | 2014-03-26 | 2022-03-30 | Apple Inc. | Temperature management for inductive charging systems |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208522487U (en) * | 2018-06-28 | 2019-02-19 | 欧格仕（厦门）科技有限公司 | A kind of wireless charging device |
| CN110932415A (en) * | 2019-12-19 | 2020-03-27 | 昆山联滔电子有限公司 | Wireless charger |
| CN215733564U (en) * | 2021-07-29 | 2022-02-01 | 昆山联滔电子有限公司 | Wireless charging device |
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