WO2019136691A1 - 自带散热功能的无线充电器 - Google Patents

自带散热功能的无线充电器 Download PDF

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Publication number
WO2019136691A1
WO2019136691A1 PCT/CN2018/072395 CN2018072395W WO2019136691A1 WO 2019136691 A1 WO2019136691 A1 WO 2019136691A1 CN 2018072395 W CN2018072395 W CN 2018072395W WO 2019136691 A1 WO2019136691 A1 WO 2019136691A1
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WO
WIPO (PCT)
Prior art keywords
housing
air
heat dissipation
wireless charger
dissipation function
Prior art date
Application number
PCT/CN2018/072395
Other languages
English (en)
French (fr)
Inventor
贾洪雷
Original Assignee
深圳市迪奥科科技有限公司
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Application filed by 深圳市迪奥科科技有限公司 filed Critical 深圳市迪奥科科技有限公司
Priority to PCT/CN2018/072395 priority Critical patent/WO2019136691A1/zh
Publication of WO2019136691A1 publication Critical patent/WO2019136691A1/zh

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Classifications

    • 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
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to the technical field of wireless charging, and in particular to a wireless charger with a self-contained heat dissipation function.
  • wireless chargers have become popular digital electronic mobile phone accessories, wireless chargers provide wireless charging for mobile phones, and more portable.
  • the conventional wireless charging function is weak in the heat dissipation function of the mobile phone, when the wireless charging is working, the PCBA (ie, the printed circuit assembly board, hereinafter collectively referred to as the PCBA board) and the transmitting coil in the wireless charger are caused by the absence of the corresponding heat sink.
  • the PCBA ie, the printed circuit assembly board, hereinafter collectively referred to as the PCBA board
  • the transmitting coil in the wireless charger are caused by the absence of the corresponding heat sink.
  • the most deadly is that when the wireless charger is charging the phone, the phone will be severely heated, resulting in lower charging power and longer charging time.
  • An object of the present invention is to provide a wireless charger with a self-contained heat dissipation function, which solves the technical problem that the mobile phone existing in the prior art is difficult to dissipate heat during wireless charging, resulting in a decrease in charging efficiency and a long charging time.
  • the technical solution adopted by the present invention is to provide a wireless charger with a heat dissipation function, including:
  • a housing having a top surface for placing a mobile phone, the housing having an air inlet communicating with the interior of the housing and at least two air outlets communicating with the placement slot and the interior of the housing;
  • At least the two fans are in one-to-one correspondence with at least the two air outlets.
  • the housing protrudes from a bottom surface of the placement slot for a convex portion for contacting the mobile phone and supporting the mobile phone in the placement slot.
  • the convex portion is located at the center of the bottom surface of the placement groove.
  • an inner wall of the housing is provided with a mounting groove corresponding to the convex portion and for placing the transmitting coil.
  • the number of the fans is two; the number of the air outlets is two, and the two air outlets are respectively located on opposite sides of the housing.
  • the housing has a rectangular parallelepiped shape, and the housing has two first sides and two second sides having a length dimension smaller than a length dimension of the first side, and the air outlet is located on the second side on.
  • an inner portion of the housing is formed with an air guiding structure, and the air guiding structure includes a air passage, an air inlet at one end of the air passage, and air at the other end of the air passage and communicating with the air outlet An outlet; the fan has an air inlet portion corresponding to the air inlet and an air outlet portion inserted in the air inlet.
  • the air outlet is formed at a connection between a bottom surface of the placement groove and a groove wall of the placement groove.
  • PCBA board is located below the fan.
  • the housing has a hollowed out area, and the hollowed out area constitutes the air inlet.
  • the wireless charger with the heat dissipation function provided by the present invention uses at least two fans to simultaneously cool down the heat of the mobile phone through at least two air outlets, so that the heat of the mobile phone can be effectively dissipated during the charging process.
  • the medium can quickly dissipate heat for the mobile phone to ensure the normal output of the charging power and ensure the charging efficiency, and the charging time is shorter; in addition, while cooling and cooling the mobile phone, the PCBA board and the transmitting coil can be dissipated to improve the charging effect.
  • FIG. 1 is an exploded perspective view of a wireless charger according to an embodiment of the present invention
  • FIG. 2 is a bottom view of a wireless charger according to an embodiment of the present invention.
  • FIG. 3 is a cross-sectional view of a wireless charger according to an embodiment of the present invention.
  • the wireless charger 100 with a heat dissipation function includes a housing 1, a transmitting coil 2, a PCBA board 3 and at least two fans 4.
  • the top surface of the housing 1 is provided with a mobile phone (not shown).
  • the slot 11 is placed, the housing 1 has an air inlet 1a communicating with the interior of the housing 1 and at least two air outlets 1b communicating the placement slot 11 and the interior of the housing 1;
  • the transmitting coil 2 is built in the housing 1;
  • the PCBA board 3 Electrically connected to the transmitting coil 2, the PCBA board 3 is built in the housing 1; at least two fans 4 for drawing air from the outside of the housing 1 from the air inlet 1a and conveying it to the air outlet 1b and enabling the housing 1 to be
  • the air forms convection, and at least two fans 4 are built in the casing 1; at least two fans 4 are respectively in one-to-one correspondence with at least two air outlets 1b.
  • the wireless charger 100 with the heat dissipation function described above adopts at least two fans 4, and simultaneously cools the heat of the mobile phone through at least two air outlets 1b, so that the heat of the mobile phone can be effectively dissipated, and the mobile phone can be quickly used in the charging process.
  • the heat dissipation ensures the normal output of the charging power and ensures the charging efficiency, and the charging time is shorter; in addition, while cooling and cooling the mobile phone, the PCBA board 3 and the transmitting coil 2 can be dissipated to improve the charging effect.
  • the wireless charger 100 provided in this embodiment includes a housing 1 and a transmitting coil 2, a PCBA board 3 and a fan 4 built in the housing 1, and the PCBA board 3 and the fan 4 are all used but not limited. Fasteners (not shown) such as screws are fixedly mounted in the casing 1.
  • the transmitting coil 2 is electrically connected to the PCBA board 3.
  • the power conversion module (not shown) is integrated on the PCBA board 3.
  • the power conversion module outputs an oscillating direct current to the transmitting coil 2.
  • the oscillating current is generated in the transmitting coil 2.
  • the receiving coil (disposed on the handset, not shown in the drawing) generates a current in a varying magnetic field to charge the handset.
  • the housing 1 is a hollow structure, and a top surface thereof is provided with a placement slot 11 for placing a mobile phone.
  • the housing 1 has an air inlet 1a and a communication placement slot 11 and a housing communicating with the interior of the housing 1. 1
  • the internal air outlet 1b, the PCBA board 3, the transmitting coil 2, and the fan 4 are mounted in the casing 1.
  • the housing 1 has a rectangular parallelepiped shape, and the housing 1 is enclosed by an upper housing 12 and a bottom housing 13.
  • the upper housing 12 of the housing 1 has two first sides 14 (longitudinal direction in the illustration) And the two second sides 15 (width direction in the drawing) having a length dimension smaller than the length dimension of the first side 14, the number of the fans 4 is but not limited to two, and the number of the air outlets 1b is but not limited to Two, two fans 4 and one of the two air outlets 1b correspond one-to-one.
  • the air outlet 1b is located on the second side 15, that is, each of the second sides 15 is formed with an air outlet 1b.
  • the shape of the placement slot 11 matches the shape of the mobile phone, that is, two The second side 15 respectively corresponds to the top edge and the bottom edge of the mobile phone, so that the two fans 4 can blow the lower temperature air from the two air outlets 1b respectively, and simultaneously blow air to the top and bottom of the mobile phone, relatively only A wireless charger with a single fan for better heat dissipation. Therefore, during the charging process, the mobile phone can be quickly dissipated to ensure the normal output of the charging power, and the charging time is shorter, and the charging speed is twice as fast as that of the wireless charging stand without the fan. In particular, during the charging operation, the two fans 4 rotate to generate air convection inside the casing 1, so that the heat generated by the PCBA board 3 and the transmitting coil 2 can be extracted to provide a good charging environment for the mobile phone.
  • the number of the air outlets 1b may also be three or more, and the number of the corresponding fans 4 is also three or more.
  • the air outlet 1b can also be formed on the first side 14 and on the second side 15, or only on the first side 14.
  • the air inlet 1a is located on the bottom casing 13, and the casing 1 has a hollowed-out area 16 which constitutes the air inlet 1a, so that the fan 4 and other components in the casing 1 can be prevented from being damaged.
  • Each device inside the protective case 1 is not damaged.
  • the air outlet 1b is formed at the junction of the bottom surface of the placement groove 11 and the groove wall in which the groove 11 is placed. In this way, the air can directly contact the back and bottom surfaces of the bottom of the mobile phone and the back and top surfaces of the top through the air outlet 1b, increasing the contact area with the mobile phone.
  • the housing 1 has a raised portion 17 on the bottom surface of the placement slot 11 for contacting the handset and supporting the handset within the placement slot 11.
  • the convex portion 17 has, but is not limited to, a circular cross section, and the number of the convex portions 17 is but not limited to one, and the convex portion 17 is located at the center of the bottom surface of the placement groove 11, through the convex portion
  • the portion 17 lifts the mobile phone away from the bottom surface of the slot 11 to form a heat dissipation gap between the mobile phone and the bottom surface of the placement slot 11.
  • the contact area between the mobile phone and the air can be increased, thereby improving the heat dissipation effect on the mobile phone.
  • the inner wall of the casing 1 is provided with a mounting groove 18 corresponding to the boss portion 17 for placing the transmitting coil 2.
  • the mounting groove 18 has a circular cross section, and the mounting groove 18 is disposed coaxially with the boss portion 17, thus facilitating the positioning of the receiving coil on the handset.
  • the interior of the casing 1 is formed with an air guiding structure 19 including a duct 191, an air inlet 192 at one end of the duct 191, and an air outlet at the other end of the duct 191 and communicating with the air outlet 1b.
  • the fan 4 has an air inlet portion 41 corresponding to the air inlet 1a and an air outlet portion 42 that is inserted into the air inlet 192.
  • the two air outlets 1b directly dissipate heat for the mobile phone.
  • the PCBA board 3 is located below the fan 4, so that the heat radiated by the PCBA board 3 can be directly taken out of the housing 1 by the fan 4, thereby effectively cooling and cooling the PCBA board 3.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Telephone Set Structure (AREA)

Abstract

一种自带散热功能的无线充电器（100），包括壳体（1）、发射线圈（2）、PCBA板（3）和至少两个风扇（4），壳体（1）顶面开设有用于放置手机的放置槽（11），壳体（1）具有与壳体（1）内部连通的一进风口（1a）和连通放置槽（11）与壳体（1）内部的至少两个出风口（1b）；发射线圈（2）内置在壳体（1）中；PCBA板（3）与发射线圈（2）电连接，PCBA板（3）内置在壳体（1）中；至少两个风扇（4），用于将壳体（1）外部的空气从进风口（1a）吸入并输送至出风口（1b）且能够使壳体（1）内的空气形成对流，至少两个风扇（4）内置在壳体（1）中。这样，通过至少两个出风口（1b）同时对手机散热降温，因此能够有效地将手机热量散出，在充电过程中可迅速为手机散热从而保证充电功率正常输出以及保证了充电效率。

Description

自带散热功能的无线充电器 技术领域
本发明涉及无线充电的技术领域，尤其是涉及一种自带散热功能的无线充电器。
 背景技术
目前，随着科技的进步，无线充电器成为备受欢迎的数码电子手机配件，无线充电器为手机提供无线充电，更便携。然而，由于传统的无线充为手机散热功能较薄弱，当无线充工作时，因无相应的散热装置，导致无线充电器内的PCBA（即印制线路装配板，下面统称PCBA板）与发射线圈持续升温，最致命的是导致无线充电器为手机充电的时候，手机会严重发热，导致充电功率降低，充电时间加长。
 技术问题
本发明的目的在于提供一种自带散热功能的无线充电器，以解决现有技术中存在的手机在无线充电时热量难以散出，导致充电效率降低下及充电时间较长的技术问题。
 技术解决方案
为实现上述目的，本发明采用的技术方案是：提供一种自带散热功能的无线充电器，包括：
壳体，其顶面开设有用于放置手机的放置槽，所述壳体具有与所述壳体内部连通的一进风口和连通所述放置槽与所述壳体内部的至少两个出风口；
发射线圈，内置在所述壳体中；
PCBA板，与所述发射线圈电连接，所述PCBA板内置在所述壳体中；以及
至少两个风扇，用于将壳体外部的空气从所述进风口吸入并输送至所述出风口且能够使所述壳体内的空气形成对流，至少两个所述风扇内置在所述壳体中；
至少所述两个风扇与至少所述两个出风口分别一一对应。
进一步地，所述壳体于所述放置槽的底面凸设有用于与手机接触并将手机支撑于所述放置槽内的一凸起部。
进一步地，所述凸起部位于所述放置槽的底面中央。
进一步地，所述壳体的内壁上开设有与所述凸起部对应并用于放置所述发射线圈的安装槽。
进一步地，所述风扇的数量为两个；所述出风口的数量为两个，两个所述出风口分别位于所述壳体的相对两侧。
进一步地，所述壳体呈长方体形状，所述壳体具有两个第一侧和长度尺寸小于所述第一侧的长度尺寸的两个第二侧，所述出风口位于所述第二侧上。
进一步地，所述壳体的内部形成有导风结构，所述导风结构包括风道、位于所述风道一端的空气入口和位于所述风道另一端且与所述出风口连通的空气出口；所述风扇具有与所述进风口对应的入风部和插设于所述空气入口的出风部。
进一步地，所述出风口形成在所述放置槽的底面与所述放置槽的槽壁的连接处。
进一步地，所述PCBA板位于所述风扇的下方。
进一步地，所述壳体具有一镂空区域，所述镂空区域构成所述进风口。
 有益效果
与现有技术对比，本发明提供的自带散热功能的无线充电器，采用至少两个风扇，通过至少两个出风口同时对手机散热降温，因此能够有效地将手机热量散出，在充电过程中可迅速为手机散热从而保证充电功率正常输出以及保证了充电效率，充电时间更短；此外，在给手机散热降温的同时，又能给PCBA板及发射线圈散热，以提高充电效果。
 附图说明
图1是本发明实施例提供的无线充电器的分解示意图；
图2是本发明实施例提供的无线充电器的仰视示意图；
图3是本发明实施例提供的无线充电器的剖视示意图。
 本发明的实施方式
为了使本发明所要解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，所描述的实施例是本发明的一部分实施例，而不是全部的实施例。基于所描述的本发明的实施例，本领域普通技术人员在无需创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。
为了使本领域的技术人员更好地理解本发明的技术方案，下面结合具体附图对本发明的实现进行详细的描述。
为叙述方便，下文中所称的“前”“后”“左”“右”“上”“下”与附图本身的前、后、左、右、上、下方向一致，但并不对本发明的结构起限定作用。
除非另作定义，此处使用的技术术语或者科学术语应当为本发明所属领域内具有一般技能的人士所理解的通常意义。本发明专利申请说明书以及权利要求书中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。同样，“一个”或者“一”等类似词语也不表示数量限制，而是表示存在至少一个。
如图1至3所示，为本发明提供的一较佳实施例。
本实施例提供的自带散热功能的无线充电器100，包括壳体1、发射线圈2、PCBA板3和至少两个风扇4，壳体1顶面开设有用于放置手机（图未示）的放置槽11，壳体1具有与壳体1内部连通的一进风口1a和连通放置槽11与壳体1内部的至少两个出风口1b；发射线圈2内置在壳体1中；PCBA板3与发射线圈2电连接，PCBA板3内置在壳体1中；至少两个风扇4，用于将壳体1外部的空气从进风口1a吸入并输送至出风口1b且能够使壳体1内的空气形成对流，至少两个风扇4内置在壳体1中；至少两个风扇4与至少两个出风口1b分别一一对应。
上述的自带散热功能的无线充电器100，采用至少两个风扇4，通过至少两个出风口1b同时对手机散热降温，因此能够有效地将手机热量散出，在充电过程中可迅速为手机散热从而保证充电功率正常输出以及保证了充电效率，充电时间更短；此外，在给手机散热降温的同时，又能给PCBA板3及发射线圈2散热，以提高充电效果。
参见图1至3，本实施例提供的无线充电器100，包括壳体1和内置在壳体1中的发射线圈2、PCBA板3及风扇4，PCBA板3和风扇4均采用但不局限于螺钉等紧固件（图未示）固定安装在壳体1内。
参见图1至3，发射线圈2与PCBA板3电连接，PCBA板3上集成有电源转换模块（图未示），电源转换模块输出振荡直流电供给发射线圈2，发射线圈2内由于有振荡电流通过产生变化的磁场，接收线圈（设置在手机上，未出现在附图中）在变化的磁场中产生电流，从而给手机充电。
参见图1至3，壳体1，为中空结构，其顶面开设有用于放置手机的放置槽11，壳体1具有与壳体1内部连通的一进风口1a和连通放置槽11与壳体1内部的出风口1b，PCBA板3、发射线圈2和风扇4安装在壳体1内。在本实施例中，壳体1呈长方体形状，壳体1由上壳12和底壳13围合而成，壳体1的上壳12具有两个第一侧14（图示中的长度方向）和长度尺寸小于第一侧14的长度尺寸的两个第二侧15（图示中的宽度方向），风扇4的数量为但不局限于两个，出风口1b的数量为但不局限于两个，两个风扇4与两个出风口1b分别一一对应。出风口1b位于第二侧15上，也就是说每个第二侧15上均形成有一个出风口1b，需要指出的是，放置槽11的形状与手机的形状相匹配，也就是说两个第二侧15分别对应于手机的顶部边缘和底部边缘，这样，两个风扇4能够将温度较低的空气分别从两个出风口1b吹出，同时对手机的顶部和底部进行吹风散热，相对仅带有单一风扇的无线充电器，散热效果更佳。因此在充电过程中可迅速为手机散热从而保证充电功率正常输出，充电时间更短，充电速度比在没有风扇的无线充支架快一倍。特别的是，在充电工作过程中，两个风扇4转动在壳体1内部产生空气对流，从而可把PCBA板3及发射线圈2所产生的热量抽离出来，为手机提供良好的充电环境。
当然，出风口1b的数量也可以是三个或更多，相应的风扇4的数量也为三个或更多。
当然，出风口1b还可以形成在第一侧14上及第二侧15上，或者，仅形成在第一侧14上。
参见图1至3，进风口1a位于底壳13上，壳体1具有一镂空区域16，镂空区域16构成进风口1a，这样，能够避免风扇4以及壳体1内的其他器件受到破坏，从而保护壳体1内部的各器件不会被损毁。
参见图1和3，出风口1b形成在放置槽11的底面与放置槽11的槽壁的连接处。这样，空气经出风口1b时能够直接与手机的底部的背面和底面以及顶部的背面和顶面接触，增加了与手机的接触面积。
参见图1和3，壳体1于放置槽11的底面凸设有用于与手机接触并将手机支撑于放置槽11内的一凸起部17。在本实施例中，凸起部17具有但不局限于圆形的横截面，凸起部17的数量为但不局限于一个，该凸起部17位于放置槽11的底面中央，通过凸起部17将手机撑离放置槽11的底面，从而在手机与放置槽11的底面之间形成散热间隙，这样，能够增大手机与空气的接触面积，从而提高对手机的散热效果。
从图3可以看出，壳体1的内壁上开设有与凸起部17对应并用于放置发射线圈2的安装槽18。该安装槽18具有圆形的横截面，且安装槽18与凸起部17同轴设置，这样，方便于对手机上接收线圈的定位。
参见图3，壳体1的内部形成有导风结构19，导风结构19包括风道191、位于风道191一端的空气入口192和位于风道191另一端且与出风口1b连通的空气出口193；风扇4具有与进风口1a对应的入风部41和插设于空气入口192的出风部42，这样，由风扇4工作所产生气流经过专门的风道191传输，保证气流不会减少，由两个出风口1b直接为手机散热。
参见图3，PCBA板3位于风扇4的下方，这样，PCBA板3散发的热量能够由风扇4直接带出壳体1，从而能够有效地对PCBA板3进行散热降温。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换或改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种自带散热功能的无线充电器，其特征在于，包括：
    壳体，其顶面开设有用于放置手机的放置槽，所述壳体具有与所述壳体内部连通的一进风口和连通所述放置槽与所述壳体内部的至少两个出风口；
    发射线圈，内置在所述壳体中；
    PCBA板，与所述发射线圈电连接，所述PCBA板内置在所述壳体中；以及
    至少两个风扇，用于将壳体外部的空气从所述进风口吸入并输送至所述出风口且能够使所述壳体内的空气形成对流，至少两个所述风扇内置在所述壳体中；
    至少所述两个风扇与至少所述两个出风口分别一一对应。
  2. 根据权利要求1所述的自带散热功能的无线充电器，其特征在于，所述壳体于所述放置槽的底面凸设有用于与手机接触并将手机支撑于所述放置槽内的一凸起部。
  3. 根据权利要求2所述的自带散热功能的无线充电器，其特征在于，所述凸起部位于所述放置槽的底面中央。
  4. 根据权利要求3所述的自带散热功能的无线充电器，其特征在于，所述壳体的内壁上开设有与所述凸起部对应并用于放置所述发射线圈的安装槽。
  5. 根据权利要求1所述的自带散热功能的无线充电器，其特征在于，所述风扇的数量为两个；所述出风口的数量为两个，两个所述出风口分别位于所述壳体的相对两侧。
  6. 根据权利要求5所述的自带散热功能的无线充电器，其特征在于，所述壳体呈长方体形状，所述壳体具有两个第一侧和长度尺寸小于所述第一侧的长度尺寸的两个第二侧，所述出风口位于所述第二侧上。
  7. 根据权利要求1所述的自带散热功能的无线充电器，其特征在于，所述壳体的内部形成有导风结构，所述导风结构包括风道、位于所述风道一端的空气入口和位于所述风道另一端且与所述出风口连通的空气出口；所述风扇具有与所述进风口对应的入风部和插设于所述空气入口的出风部。
  8. 根据权利要求1所述的自带散热功能的无线充电器，其特征在于，所述出风口形成在所述放置槽的底面与所述放置槽的槽壁的连接处。
  9. 根据权利要求1所述的自带散热功能的无线充电器，其特征在于，所述PCBA板位于所述风扇的下方。
  10. 根据权利要求1所述的自带散热功能的无线充电器，其特征在于，所述壳体具有一镂空区域，所述镂空区域构成所述进风口。
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