CN113555941A - Wireless charging device - Google Patents
Wireless charging device Download PDFInfo
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- CN113555941A CN113555941A CN202110866075.8A CN202110866075A CN113555941A CN 113555941 A CN113555941 A CN 113555941A CN 202110866075 A CN202110866075 A CN 202110866075A CN 113555941 A CN113555941 A CN 113555941A
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- heat dissipation
- wireless charging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/70—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
- H02J7/65—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements against overtemperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/70—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/731—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
本发明涉及无线充电技术领域，尤其涉及一种无线充电装置，包括支撑机构、制冷片、散热机构和无线充电模块，支撑机构包括外壳体和支撑板，外壳体上设置有用于支撑支撑板的支撑部，支撑部上设置有隔热腔，支撑板背离隔热腔的表面用于放置手机；制冷片的制冷面贴靠支撑板设置；散热机构包括散热结构和通风结构，散热结构设置于支撑部背离支撑板的一侧，其一部分贴靠制冷片的发热面，通风结构贴靠散热结构设置；无线充电模块设置于散热结构的另一部分和支撑部背离隔热腔的表面之间。本发明的无线充电装置在充电时实现对无线充电模块和手机之间的热量阻隔，对支撑板降温以及对无线充电模块散热，显著提升散热效果和充电效率。
The invention relates to the technical field of wireless charging, in particular to a wireless charging device, comprising a support mechanism, a cooling sheet, a heat dissipation mechanism and a wireless charging module, the support mechanism includes an outer casing and a supporting plate, and the outer casing is provided with a support for supporting the supporting plate The support part is provided with a heat insulation cavity, and the surface of the support plate facing away from the heat insulation cavity is used to place the mobile phone; the cooling surface of the cooling sheet is arranged against the support plate; On the side away from the support plate, a part of it is against the heating surface of the cooling sheet, and the ventilation structure is placed against the heat dissipation structure; the wireless charging module is disposed between the other part of the heat dissipation structure and the surface of the support part facing away from the heat insulation cavity. The wireless charging device of the present invention realizes heat isolation between the wireless charging module and the mobile phone during charging, cools the support plate and dissipates heat for the wireless charging module, and significantly improves the heat dissipation effect and charging efficiency.
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 satisfy the experience of consumers and reduce the charging time of mobile phones, the power of the wireless charging device on the market is getting larger. However, the higher the power of the wireless charging device is, the more easily the wireless charging device generates heat, which further causes the temperature of the wireless charger to be high, and the charging time is prolonged, so the heat dissipation of the wireless charger becomes a main problem of increasing the power of the wireless charger and shortening the charging time.
However, in the prior art, the heat dissipation mode of the electronic device is mainly heat dissipation through the housing of the electronic device; or the wireless charger with relatively large power adopts the mode of a plurality of small fans, and then the fans inside are induced draft from the outside air inlet, and the heat generated by the internal structure is taken away in the flowing process of the air, so that the heat is taken out of the wireless charger.
However, when the wireless charger is cooled by adopting the above method, the cooling efficiency is low, and the product appearance of the wireless charger is greatly limited; when the ambient temperature is too high, the heat dissipation is seriously affected, so that the charging power and the charging efficiency of the wireless charger are low, the 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 obviously improves the heat dissipation efficiency, increases the high-power charging time, reduces the total charging time and improves the charging efficiency of the wireless charging device.
In order to realize the purpose, the following technical scheme is provided:
a wireless charging device, comprising:
the supporting mechanism comprises an outer shell and a supporting plate, 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 of the supporting plate, which is far away from the heat insulation cavity, is used for placing a mobile phone;
the refrigerating piece is arranged close to the supporting plate and is provided with a refrigerating surface facing the supporting plate and a heating surface departing 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 far away from the supporting plate, one part of the heat dissipation structure is attached to the heating surface, and the ventilation structure is attached to the heat dissipation structure and used for circulating air flow;
a wireless charging module, the wireless charging module is arranged in the outer shell, and the wireless charging module is arranged in the other part of the heat dissipation structure and the supporting part deviates from the surface of the heat insulation cavity.
Furthermore, 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 heat generation surface and the ventilation structure.
Furthermore, the heat dissipation structure is provided with a heat dissipation cavity, the heat dissipation cavity is located 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 opening communicated with the heat dissipation cavity is formed in the outer shell, and a heat dissipation channel is formed by the first heat dissipation part, the heat dissipation cavity and the heat dissipation opening.
Furthermore, 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 refrigeration sheet is attached.
Further, be provided with the first vent that communicates in the ventilation chamber on the shell body, the fan, the ventilation chamber with first vent forms the ventilation route.
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 to the outer shell.
Further, the supporting plate is made of ceramic materials.
Furthermore, the supporting part 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.
Furthermore, 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 invention has the beneficial effects that:
according to the wireless charging device, the heat insulation cavity is formed in the supporting part of the outer shell, the wireless charging module is separated from the supporting plate by the heat insulation cavity, the poor heat conductivity of the heat insulation cavity can prevent the heat of the wireless charging module from being transferred to the supporting plate, and the heat is prevented from being directly transferred to the back of the mobile phone; the cooling surface of the cooling piece is arranged against the support plate to cool the mobile phone arranged on the support plate, and the heat on the heating surface of the cooling piece is discharged out of the outer shell in time by using the heat dissipation mechanism; meanwhile, the heat dissipation structure is utilized to dissipate heat of the wireless charging module, so that the mobile phone is cooled better in the charging process of the mobile phone. Under the cooperation through thermal-insulated chamber, refrigeration piece and heat dissipation mechanism sets up, 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 the radiating efficiency, long when the increase high power charges, improve charge efficiency, save product occupation space simultaneously.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention 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 for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
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 schematic view of a wireless charging device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an outer housing of a wireless charging device according to an embodiment of the present invention;
fig. 4 is a first schematic structural diagram of an internal support of a wireless charging device according to an embodiment of the present invention;
fig. 5 is a second schematic structural diagram of an inner bracket of the wireless charging device according to the embodiment of the present invention.
In the figure:
100-mobile phone; 200-a circuit board;
1-a support mechanism; 11-an outer shell; 111-a support; 112-a thermally insulating cavity; 113-a mounting groove; 114-a receiving groove; 12-a support plate; 13-inner support; 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 portion; 3111-a heat dissipating portion body; 3112-heat dissipating fins; 312 — a second heat sink portion; 313-a heat dissipation chamber; 314-heat dissipation ports;
32-a ventilation structure; 321-a ventilation cavity; 322-a fan; 323-a first vent;
4-wireless charging module.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally laid out when the product is used, and are only for convenience of description of the present invention, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, 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 otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1 and fig. 2, the present embodiment provides a wireless charging device, including a supporting mechanism 1, a cooling plate 2, a heat dissipation mechanism 3, and a wireless charging module 4, where 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 disposed on the outer housing 11, a heat insulation cavity 112 is disposed on the supporting portion 111, and a surface of the supporting plate 12 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 heating surface 22 facing away from the support plate 12; the heat dissipation mechanism 3 includes a heat dissipation structure 31 and a ventilation structure 32 disposed in the outer housing 11, the heat dissipation structure 31 is disposed on a side of the supporting portion 111 away from the supporting plate 12, a part of the heat dissipation structure 31 abuts against the heating surface 22, and the ventilation structure 32 abuts against the heat dissipation structure 31 for circulating air flow; the wireless charging module 4 is disposed in the outer casing 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.
In the wireless charging device of the embodiment, the heat insulation cavity 112 is arranged on the supporting portion 111 of the outer casing 11, and the wireless charging module 4 is separated from the supporting plate 12 by using the heat insulation cavity 112, so that the poor heat conductivity of the heat insulation cavity 112 can prevent the heat of the wireless charging module 4 from being transferred to the supporting plate 12, and the heat is prevented from being directly transferred to the back of the mobile phone 100; then the cooling surface 21 of the cooling plate 2 is arranged close to the support plate 12 to cool the mobile phone 100 arranged on the support plate 12, and the heat on the heating surface 22 of the cooling plate 2 is discharged out of the outer shell 11 in time by the heat dissipation mechanism 3; meanwhile, the heat dissipation structure 31 is utilized to dissipate heat of the wireless charging module 4, so that the temperature of the mobile phone 100 is better reduced in the charging process of the mobile phone 100. Due to the matching arrangement of the heat insulation cavity 112, the refrigerating sheet 2 and the heat dissipation mechanism 3, the heat conduction between the wireless charging module 4 and the mobile phone 100 is blocked, the supporting plate 12 is cooled, the wireless charging module 4 is effectively dissipated, the heat dissipation efficiency is obviously improved, the high-power charging time is prolonged, the total charging time is shortened, and the charging efficiency of the wireless charging device is improved; meanwhile, the components are utilized, the arrangement of a plurality of fan structures in the traditional scheme is omitted, the weight of the product is reduced, and the occupied space of the product is saved.
Optionally, one side of the wireless charging module 4 abuts against another part of the heat dissipation structure 31, and the other side abuts against the surface of the supporting portion 111 away from the insulating cavity 112.
Referring to fig. 1, the heat dissipation structure 31 has a first heat dissipation part 311 and a second heat dissipation part 312 connected to each other, and the first heat dissipation part 311 is disposed adjacent to the wireless charging module 4 to dissipate heat of the wireless charging module 4 through the first heat dissipation part 311; the second heat dissipation part 312 is clamped between the heating surface 22 and the ventilation structure 32, the heating surface 22 of the refrigeration sheet 2 can be directly cooled through the second heat dissipation part 312, and the ventilation structure 32 is matched to send cold air into the outer shell 11 so as to dissipate heat of the second heat dissipation part 312, so that the cooling effect of the refrigeration sheet 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 is communicated with the first heat dissipation portion 311, the other end is communicated with the surface of the outer housing 11, the heat dissipated by the first heat dissipation portion 311 is sent out of the outer housing 11 by utilizing the circulation of the air outside the heat dissipation cavity 313 and the outer housing 11, the heat dissipation and cooling of the wireless charging module 4 are performed, and the extension of the duration of the high-power charging of the wireless charging device on the mobile phone 100 is facilitated.
Optionally, the wireless charging module 4 is a wireless charging coil.
Referring to fig. 1, a heat dissipation port 314 communicated with the heat dissipation cavity 313 is formed in the outer shell 11, a heat dissipation channel is formed by the first heat dissipation part 311, the heat dissipation cavity 313 and the heat dissipation port 314, and the airflow collected in the heat dissipation cavity 313 can flow out from the heat dissipation port 314 to take away heat on the first heat dissipation part 311 through the heat dissipation channel. Specifically, the plurality of heat dissipation ports 314 are arranged on the outer shell 11 at intervals, so that hot air in the heat dissipation cavity 313 is accelerated to circulate with the outside, the heat dissipation effect of the heat dissipation channel is enhanced, and the heat dissipation efficiency is improved.
Alternatively, the first heat sink member 311 may be a heat sink or a heat sink column. Specifically, referring to fig. 2, the first heat sink portion 311 includes a heat sink portion body 3111 and heat sink fins 3112, the heat sink portion body 3111 is disposed towards the wireless charging module 4, the heat sink fins 3112 are disposed on a surface of the heat sink portion body 3111 away from the wireless charging module 4 and extend towards the heat sink cavity 313, and then the first heat sink portion 311 effectively utilizes the heat sink cavity 313 and the heat sink 314 to exchange heat and cold 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 casing 11 and communicated with the surface of the outer casing 11, and the fan 322 is disposed towards the second heat dissipating portion 312 of the heat dissipating structure 31 against which the cooling fins 2 abut. Blow cold wind through fan 322 to second heat dissipation portion 312 and refrigeration piece 2, through the outside exhaust of ventilation chamber 321 to outer casing 11 hot-blast to cooling and heat dissipation are carried out refrigeration piece 2 with higher speed, thereby promote refrigeration piece 2 and carry out the high power to cell-phone 100 for a long time and charge to the refrigeration effect of backup pad 12, guarantee wireless charging device.
Referring to fig. 1, the outer case 11 is provided with a first vent 323 communicating with the ventilation cavity 321, and the fan 322, the ventilation cavity 321 and the first vent 323 form a ventilation path, so that the airflow in the ventilation cavity 321 exchanges heat with the outside, and the heat of the second heat sink portion 312 and the heat generating surface 22 is taken away in time. Specifically, the first ventilation opening 323 is opened on the base 14 of the outer shell 11, and the heat dissipation opening 314 is opened on the top of the outer shell 11, so that airflow channels are respectively formed above and below the outer shell 11, and the heat dissipation effect is enhanced. Optionally, the first ventilation openings 323 are provided in plural, and the plural first ventilation openings 323 are arranged at intervals on the base 14 of the outer shell 11, so as to further accelerate the speed of flowing cold air into the ventilation cavity 321, and improve the cooling and heat dissipation efficiency of the support plate 12.
Alternatively, the second heat sink piece 312 may be a heat sink or a heat sink post.
Referring to fig. 1, an inner support 13 for fixing the circuit board 200 is disposed in the outer housing 11, one end of the inner support 13 abuts against the heat dissipation structure 31, the other end of the inner support 13 is detachably connected to the base 14 of the outer housing 11, a ventilation cavity 321 and a heat dissipation cavity 313 are disposed on two sides of the inner support 13, and the temperature inside the outer housing 11 can be ensured not to be overheated through cooling and heat dissipation of the ventilation cavity 321 and the heat dissipation cavity 313, which is beneficial to normal operation of the circuit board 200.
Alternatively, referring to fig. 1 and 5, the inner frame 13 includes a bottom plate 131 and a first supporting member 132 and a second supporting member 133 disposed on the bottom plate 131, and the first supporting member 132 and the second supporting member 133 abut against each other to form a stable supporting structure in the outer housing 11. Further, the bottom plate 131 is disposed on the base 14 of the outer housing 11, and a second ventilation opening 1311 is disposed on the bottom plate 131, the second ventilation opening 1311 is disposed corresponding to the first ventilation opening 323 on the outer housing 11 and is communicated with the first ventilation opening 323; the first supporting member 132 is disposed toward the supporting plate 12, the first heat dissipating portion 311 and the second heat dissipating portion 312 are respectively mounted on the first supporting member 132, the first supporting member 132 is provided with a third vent 1321 communicated with the second vent 1311, one end of the ventilation cavity 321 of the ventilation structure 32 is communicated to the second vent 1311, the other end of the ventilation cavity is communicated to the third vent 1321, and the fan 322 is accommodated in the third vent 1321, so that heat collected from the heating surface 22 on the second heat dissipating portion 312 can be exchanged with the outside air through the ventilation cavity 321, the second vent 1311 and the first vent 323 by 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 during operation can be dissipated through the heat dissipation cavity 313 and the heat dissipation opening 314, a connection portion between the first supporting member 132 and the second supporting member 133 is disposed facing 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 material, and has the advantages of fast heat dissipation, high hardness and good thermal shock resistance.
Alternatively, the support plate 12 may be integrally formed with the outer case 11.
Referring to fig. 2 and 3, the supporting portion 111 is provided with a mounting groove 113 along a direction perpendicular to the supporting plate 12, the mounting groove 113 is communicated with the inside of the outer shell 11, the refrigeration sheet 2 is accommodated in the mounting groove 113, which is not only convenient for the refrigeration sheet 2 to be attached to the second heat dissipation portion 312, so that the refrigeration surface 21 of the refrigeration sheet is attached to the supporting plate 12, and the heating surface 22 is attached to the second heat dissipation portion 312, but also beneficial for the ventilation structure 32 and the second heat dissipation portion 312 to cool and dissipate the refrigeration sheet 2.
Referring to fig. 2 and 3, the mounting grooves 113 and the heat insulation cavity 112 are disposed on the supporting portion 111 at intervals along the supporting plate 12, the housing 11 is provided with a receiving groove 114 communicated with the heat insulation cavity 112 and the mounting grooves 113, the supporting plate 12 is received in the receiving groove 114, such that a part of the supporting plate 12 is attached to the heat insulation cavity 112, and another part is attached to the refrigerating surface 21 of the refrigerating sheet 2, thereby simultaneously insulating heat and cooling the supporting plate 12, significantly reducing the heating rate of the supporting plate 12 and the mobile phone 100 placed on the supporting plate 12, and maintaining the mobile phone 100 in a lower temperature range.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. 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, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
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 of the supporting plate (12) departing from the heat insulation cavity (112) is used for placing the mobile phone (100);
the refrigerating sheet (2) is arranged close to the supporting plate (12) and is provided with a refrigerating surface (21) facing the supporting plate (12) and a heating surface (22) departing from the supporting 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), the heat dissipation structure (31) is arranged on one side, away from the supporting plate (12), of the supporting part (111), one part of the heat dissipation structure is attached to the heating surface (22), and the ventilation structure (32) is attached to the heat dissipation structure (31) and used for circulating air flow;
the wireless charging module (4), the wireless charging module (4) set up in shell body (11), just the wireless charging module (4) set up in another part of heat radiation structure (31) with supporting part (111) deviates from between the surface of thermal-insulated chamber (112).
2. The wireless charging device according to claim 1, wherein the heat dissipation structure (31) has a first heat dissipation part (311) and a second heat dissipation part (312) connected to each other, the first heat dissipation part (311) is disposed adjacent to the wireless charging module (4), and the second heat dissipation part (312) is sandwiched between the heat generation surface (22) and the ventilation structure (32).
3. The wireless charging device according to claim 2, wherein the heat dissipation structure (31) has a heat dissipation cavity (313), and the heat dissipation cavity (313) is located in the outer housing (11) and has one end communicated with the first heat dissipation part (311) and the other end communicated with the surface of the outer housing (11).
4. The wireless charging device according to claim 3, wherein a heat dissipation opening (314) communicated with the heat dissipation cavity (313) is arranged on the outer housing (11), and the first heat dissipation part (311), the heat dissipation cavity (313) and the heat dissipation opening (314) form a heat dissipation channel.
5. The wireless charging device according to claim 1, characterized in that said ventilation structure (32) comprises a ventilation cavity (321) and a fan (322) housed in said ventilation cavity (321), said ventilation cavity (321) being located inside said outer casing (11) and communicating with the surface of said outer casing (11), said fan (322) being arranged towards said heat dissipation structure (31) against which said cooling fins (2) abut.
6. The wireless charging device according to claim 5, wherein a first ventilation opening (323) communicated with the ventilation cavity (321) is arranged on the outer housing (11), and the fan (322), the ventilation cavity (321) and the first ventilation opening (323) form a ventilation path.
7. The wireless charging device according to claim 1, wherein an inner bracket (13) for fixing the circuit board (200) is arranged in the outer casing (11), one end of the inner bracket (13) abuts against the heat dissipation structure (31), and the other end is detachably connected to the outer casing (11).
8. The wireless charging device of claim 1, wherein the support plate (12) is ceramic.
9. The wireless charging device according to claim 1, characterized in that the supporting portion (111) is provided with a mounting groove (113) through in a direction perpendicular to the supporting plate (12), the cooling fins (2) being received in the mounting groove (113).
10. The wireless charging device according to claim 1, wherein the outer casing (11) is provided with a receiving groove (114) communicated with the heat insulation cavity (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 | A wireless charging device |
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| CN202110866075.8A CN113555941B (en) | 2021-07-29 | 2021-07-29 | A wireless charging device |
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| CN113555941A true CN113555941A (en) | 2021-10-26 |
| CN113555941B CN113555941B (en) | 2024-06-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| 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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| CN113555941B (en) | 2024-06-25 |
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