WO2019136692A1 - 自带散热功能的无线充电支架 - Google Patents

自带散热功能的无线充电支架 Download PDF

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Publication number
WO2019136692A1
WO2019136692A1 PCT/CN2018/072397 CN2018072397W WO2019136692A1 WO 2019136692 A1 WO2019136692 A1 WO 2019136692A1 CN 2018072397 W CN2018072397 W CN 2018072397W WO 2019136692 A1 WO2019136692 A1 WO 2019136692A1
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WO
WIPO (PCT)
Prior art keywords
air
heat dissipation
wireless charging
fan
air inlet
Prior art date
Application number
PCT/CN2018/072397
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English (en)
French (fr)
Inventor
贾洪雷
Original Assignee
深圳市迪奥科科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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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/CN2018/072397 priority Critical patent/WO2019136692A1/zh
Publication of WO2019136692A1 publication Critical patent/WO2019136692A1/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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from 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

Definitions

  • the present invention relates to the technical field of wireless charging, and in particular to a wireless charging stand with a self-contained heat dissipation function.
  • the wireless charging stand Although there is a shortage of heat dissipation for the wireless charging stand, there is a fan in the wireless charging stand to cool the stand.
  • the fan only works with the PCBA (ie, the printed circuit board, below)
  • the heat emitted by the PCBA board is not extracted, and it does not directly dissipate heat to the mobile phone. Therefore, the mobile phone will still be severely hot and hot during charging, the charging efficiency will be reduced, and the charging time will be lengthened.
  • the object of the present invention is to provide a wireless charging stand with a heat dissipation function, so as to solve the problem that the wireless charging stand with the self-contained heat dissipation function existing in the prior art can effectively cool the mobile phone when charging the mobile phone, thereby causing the charging efficiency to decrease. And technical problems with longer charging time.
  • the technical solution adopted by the present invention is to provide a wireless charging stand with a heat dissipation function, including:
  • the casing surface is formed with an air inlet and an air outlet respectively communicating with the interior of the casing, the surface of the casing having an air guiding groove for placing the mobile phone and communicating with the air outlet;
  • the air guiding member having a duct, an air inlet at one end of the duct, and an air outlet at the other end of the duct and communicating with the air outlet;
  • a fan for drawing air from outside the casing from the air inlet and conveying to the air inlet of the air guiding member, the fan being built in the casing.
  • the housing includes a back shell and a face cover and a bottom case respectively connected to the back shell, the back shell enclosing the cover to form a first chamber, the back shell and the bottom
  • the casing encloses a second chamber that communicates with the first chamber
  • the face cover includes an interconnecting back plate portion and a support portion, the air guiding groove is formed on a surface of the back plate portion, An air outlet is formed on a top surface of the support portion; the PCBA board, the fan, and the air guiding member are built in the first chamber, and the transmitting coil is built in the second chamber.
  • the air inlet is formed on the bottom case.
  • the bottom case is formed with a plurality of hollowed out regions at intervals in the air inlet.
  • a top surface of the support portion is provided with a positioning slot for sliding in and out of the bottom of the mobile phone, and the positioning slot is offset from the air outlet.
  • PCBA board is located above the fan.
  • the side wall of the air guiding groove has an arc-shaped air guiding surface for guiding air in the air guiding groove.
  • the fan has an air inlet portion corresponding to the air inlet and an air outlet portion that is inserted into the air inlet.
  • an engaging portion is protruded from an air outlet edge of the air guiding member, and the housing is formed with an engaging engagement portion that engages with the engaging portion at an edge of the air outlet.
  • the wireless charging bracket with self-heating function provided by the invention adopts a fan to absorb external air, and transmits the air passage of the air guiding member to ensure that the air volume is not reduced, and the air outlet is guided by the air guiding port.
  • the slot directly dissipates heat for the mobile phone, so that the mobile phone can be more efficiently cooled while the mobile phone is being charged, and the heat dissipation effect is better, thereby ensuring that the mobile phone does not generate heat during charging, the charging power is output normally, the charging time is reduced, and the charging speed is faster.
  • the wireless support is much faster; in addition, during the charging work, the fan rotates to generate the circulating airflow, so the heat generated by the PCBA board and the transmitting coil can be extracted to provide a good charging environment for the mobile phone.
  • FIG. 1 is a perspective view 1 of a wireless charging stand with a heat dissipation function according to an embodiment of the present invention
  • FIG. 2 is a perspective view 2 of a wireless charging stand with a heat dissipation function according to an embodiment of the present invention
  • FIG. 3 is an exploded perspective view of a wireless charging stand with a heat dissipation function according to an embodiment of the present invention
  • FIG. 4 is a cross-sectional view of a wireless charging stand with a heat dissipation function according to an embodiment of the present invention
  • Fig. 5 is an enlarged view of a portion A in Fig. 4.
  • the wireless charging stand 100 with a heat dissipation function provided by the embodiment includes a hollow casing 1, a transmitting coil 2, a PCBA board 3, a wind guiding member 4 and a fan 5.
  • the surface of the housing 1 is respectively formed with the inside of the housing 1. a ventilation opening 1a and an air outlet 1b, the surface of the casing 1 has an air guiding groove 1c for placing a mobile phone (not shown) and communicating with the air outlet 1b; the transmitting coil 2 is built in the casing 1; PCBA The board 3 is electrically connected to the transmitting coil 2, and the PCBA board 3 is built in the casing 1.
  • the wind guiding member 4 is built in the casing 1, and the air guiding member 4 has a duct 41, an air inlet 42 located at one end of the duct 41, and An air outlet 43 at the other end of the air duct 41 and communicating with the air outlet 1b; the fan 5 is for sucking air from the outside of the casing 1 from the air inlet 1a and conveying it to the air inlet 42 of the air guiding member 4, the fan 5 being built in the casing 1 in.
  • the wireless charging stand 100 with the heat dissipation function described above adopts the suction of the outside air by the fan 5, and is transmitted through the air passage 41 of the air guiding member 4 to ensure that the air volume is not reduced, and the air outlet 1b is directly along the air guiding groove 1c. Cooling the phone, so that the phone can be more efficiently cooled while the phone is charging, the heat dissipation effect is better, so that the phone does not heat during the charging process, the charging power is output normally, the charging time is reduced, and the charging speed is no longer.
  • the wireless bracket of the fan 5 is much faster; in addition, during the charging operation, the fan 5 rotates to generate a circulating airflow, 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. In this way, the heat can be dissipated to the mobile phone, and the PCBA board 3 and the transmitting coil 2 inside the wireless charging bracket can be dissipated, thereby giving the user the best charging effect.
  • the wireless charging stand 100 with a heat dissipation function includes a housing 1 and a transmitting coil 2, a PCBA board 3, a wind guiding member 4 and a fan 5 built in the housing 1, PCBA Both the plate 3 and the fan 5 are fixedly mounted in the casing 1 by means of fasteners (not shown) such as screws.
  • 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 having a base 11 and a charging platform 12, and the charging platform 12 is inclined with respect to the base 11, with a heat dissipation gap 13 formed therebetween, and the transmitting coil 2 is mounted on the charging platform 12.
  • the PCBA board 3, the air guiding member 4, and the fan 5 are mounted in the base 11.
  • An air inlet 1a and an air outlet 1b are formed on the surface of the casing 1 to communicate with the interior of the casing 1.
  • the casing 1 has a wind guiding groove 1c for placing the mobile phone and communicating with the air outlet 1b on the surface of the charging platform 12.
  • the housing 1 may be integrally formed or may be formed by a combination of a plurality of cover plates.
  • the housing 1 includes a back cover 14, a cover 15 and a bottom case 16, and the back cover 14 is coupled to the cover 15 and A first chamber 1d is formed between the two, and the back shell 14 is connected to the bottom case 16 and enclosed therebetween to form a second chamber 1e communicating with the first chamber 1d.
  • the face cover 15 includes a flat back plate portion 151 and a support portion 152 which is bent outwardly and upwardly from the lower end of the back plate portion 151, and the air guiding groove 1c is formed on the surface of the back plate portion 151.
  • the shape of the air guiding groove 1c matches the shape of the mobile phone, and the air outlet 1b is formed on the top surface of the support portion 152; the PCBA board 3, the fan 5, the air guiding member 4 are built in the second chamber 1e, and the transmitting coil 2 is built in
  • the air guiding member 4 has a duct 41, an air inlet 42 at one end of the duct 41, and an air outlet 43 located at the other end of the duct 41 and communicating with the air outlet 1b.
  • the fan 5 has an air inlet 1a.
  • the corresponding air inlet portion 51 and the air outlet portion 52 that is inserted into the air inlet 42 are disposed in the air inlet 42 and may be sealed. It should be noted that after the mobile phone is placed in the wireless charging stand 100 with the heat dissipation function, the bottom of the mobile phone abuts on the support portion 152 and is supported by the support portion 152. The bottom of the mobile phone does not block the air outlet 1b, the top of the mobile phone.
  • the back surface abuts on the bottom surface of the air guiding groove 1c of the back plate portion 151, and most of the back portion of the mobile phone does not contact the air guiding groove 1c, so that the low temperature air blown by the fan 5 through the air outlet 1b can be blown by the air guiding groove 1c.
  • the contact area between the phone and the air is greatly increased, thereby effectively cooling the phone.
  • the airflow generated by the operation of the fan 5 is transmitted through the special air duct 41 to ensure that the airflow is not reduced, and is guided along the specially designed air guiding groove 1c to dissipate heat to the maximum extent of the charging mobile phone.
  • the air inside the casing 1 can flow, 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 air inlet 1a is formed but not limited to the bottom case 16, and the bottom surface of the bottom case 16 may be mounted with a foot pad, so that dust can be reduced from being sucked into the interior of the casing 1, thereby facing the casing.
  • the device inside the body 1 is protected.
  • the bottom case 16 has a hollowed out area 17, and the hollowed out area 17 constitutes the air inlet 1a, so that the fan 5 and other components in the casing 1 can be prevented from being damaged, thereby protecting the inside of the casing 1. Each device will not be destroyed.
  • a flow guiding gap 1f is left between the air inlet portion 51 of the fan 5 and the bottom case 16, so that air inside the housing 1 can flow into the fan 5 from the flow guiding gap 1f.
  • the heat generated by the devices in the casing 1 is advantageously extracted by the fan 5, so that the PCBA board 3 and the transmitting coil 2 are effectively cooled.
  • the PCBA board 3 is located, but not limited to, above the fan 5, so that the PCBA board 3 does not block the air inlet 1a, and the entry of outside air can be ensured.
  • the side wall of the air guiding groove 1c has an arc-shaped wind guiding surface 1g for guiding the air in the air guiding groove 1c, which is easily understood to be passed through the air guiding groove, respectively.
  • An arc-shaped wind guiding surface 1g is formed on the upper side wall (upper side of the drawing) of 1c and the left and right side walls (left and right sides of the drawing), and the air blown into the air guiding groove 1c is in contact with the back of the mobile phone. After that, it is led out to the outside of the air guiding groove 1c via the air guiding surface 1c, so that heat is taken out, so that heat can be increased and heat dissipation effect can be improved.
  • the top surface of the support portion 152 is provided with a positioning slot 153 for the bottom of the mobile phone to slide in and out, and the positioning slot 153 is offset from the air outlet 1b, thus facilitating the operation of the mobile phone.
  • the top back of the mobile phone rests in the air guiding groove 1c, so that a gap of gas flow can be formed between the back surface of the mobile phone and the bottom surface of the air guiding groove 1c.
  • the air outlet 43 of the air guiding member 4 is convexly provided with an engaging portion 44, and the housing 1 is formed with the engaging portion 44 at the edge of the air outlet 1b.
  • the engagement portion 18 is engaged, so that the air guiding member 4 can be quickly assembled and fixed, and the replacement of the wind guiding member 4 and the maintenance of the entire machine can be facilitated.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (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支架（100），包括中空的壳体（1）以及内置在壳体（1）中的发射线圈（2）、PCBA板（3）、导风构件（4）和风扇（5），壳体（1）的表面形成有分别与壳体（1）内部连通的一进风口（1a）和一出风口（1b），壳体（1）的表面具有用于放置手机并与出风口（1b）连通的导风槽（1c）；PCBA板（3）与发射线圈（2）电连接，导风构件（4）具有风道（41）、位于风道（41）一端的空气入口（42）和位于风道（41）另一端且与出风口（1b）连通的空气出口（43）；风扇（5）用于将壳体（1）外部的空气从进风口（1a）吸入并输送至导风构件（4）的空气入口（42），这样，能够在手机充电的同时更加有效地给手机进行散热，散热效果更佳，从而保证手机在充电过程中不会发热，充电功率正常输出，减少充电时间。

Description

自带散热功能的无线充电支架 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支架。
 背景技术
目前，市面上现有大部分无线充支架由于没有带有风扇装置给手机散热，以致于手机在无线充电时会导致手机发热，发烫甚至损坏手机，从而导致手机在在充电过程中充电效率降低，充电时间也会加长。
虽然，针对无线充支架散热的不足，也有在无线充支架内设置风扇来对支架进行降温，然而，带有风扇的无线支架，风扇在工作时仅只是将PCBA（即印制线路装配板，下面统称PCBA板）所散发的热量抽离出来，并没有实现直接给手机散热，故，仍会导致手机在充电过程中手机还是会严重发热、发烫，充电效率降低，充电时间也会加长。
 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支架，以解决现有技术中存在的自带散热功能的无线充电支架在对手机充电时，不能有效对手机降温，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支架，包括：
中空的壳体，壳体表面形成有分别与壳体内部连通的一进风口和一出风口，所述壳体的表面具有用于放置手机并与所述出风口连通的导风槽；
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；
导风构件，内置在所述壳体中，所述导风构件具有风道、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；以及
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导风构件的所述空气入口，所述风扇内置在所述壳体中。
进一步地，所述壳体包括背壳以及与所述背壳分别连接的面盖和底壳，所述背壳与所述面盖围合形成第一腔室，所述背壳与所述底壳围合形成与所述第一腔室连通的第二腔室，所述面盖包括相互连接的背板部和支撑部，所述导风槽形成在所述背板部的表面，所述出风口形成在所述支撑部的顶面；所述PCBA板、所述风扇、所述导风构件内置在所述第一腔室中，所述发射线圈内置在所述第二腔室中。
进一步地，所述进风口形成在所述底壳上。
进一步地，所述底壳于所述进风口处形成有间隔设置的多条镂空区域。
进一步地，所述风扇与所述底壳之间留有导流间隙。
进一步地，所述支撑部的顶面开设有供手机的底部滑入和滑出的定位槽，所述定位槽偏离所述出风口。
进一步地，所述PCBA板位于所述风扇的上方。
进一步地，所述导风槽的侧壁具有用于将所述导风槽内的空气导出的弧形的导风面。
进一步地，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，所述导风构件的空气出口边缘凸设有卡合部，所述壳体于出风口边缘形成有与所述卡合部配合卡合的卡合配合部。
 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支架，采用风扇对外部空气的吸取，经过导风构件的风道的传输，保证风量不会减少，由出风口沿着导风槽直接为手机散热，这样，能够在手机充电的同时更加有效地给手机进行散热，散热效果更佳，从而保证手机在充电过程中不会发热，充电功率正常输出，减少充电时间，充电速度比在没有风扇的无线支架快的多；此外，在充电工作过程中，风扇转动产生循环气流，因此可把PCBA板及发射线圈所产生的热量抽离出来，为手机提供良好的充电环境。
 附图说明
图1是本发明实施例提供的自带散热功能的无线充电支架的立体示意图一；
图2是本发明实施例提供的自带散热功能的无线充电支架的立体示意图二；
图3是本发明实施例提供的自带散热功能的无线充电支架的分解示意图；
图4是本发明实施例提供的自带散热功能的无线充电支架的剖视示意图；
图5为图4中A部的放大图。
 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“左”“右”“上”“下”与附图本身的左、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5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支架100，包括中空的壳体1、发射线圈2、PCBA板3、导风构件4和风扇5，壳体1表面形成有分别与壳体1内部连通的一进风口1a和一出风口1b，壳体1的表面具有用于放置手机（图未示）并与出风口1b连通的导风槽1c；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；导风构件4内置在壳体1中，导风构件4具有风道41、位于风道41一端的空气入口42和位于风道41另一端且与出风口1b连通的空气出口43；风扇5用于将壳体1外部的空气从进风口1a吸入并输送至导风构件4的空气入口42，风扇5内置在壳体1中。
上述的自带散热功能的无线充电支架100，采用风扇5对外部空气的吸取，经过导风构件4的风道41的传输，保证风量不会减少，由出风口1b沿着导风槽1c直接为手机散热，这样，能够在手机充电的同时更加有效地给手机进行散热，散热效果更佳，从而保证手机在充电过程中不会发热，充电功率正常输出，减少充电时间，充电速度比在没有风扇5的无线支架快的多；此外，在充电工作过程中，风扇5转动产生循环气流，因此可把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，这样，既能给手机散热，又能给无线充支架内部的PCBA板3及发射线圈2散热，从而给用户带来两全其美的充电效果。
参见图1至5，本实施例提供的自带散热功能的无线充电支架100，包括壳体1和内置在壳体1中的发射线圈2、PCBA板3、导风构件4及风扇5，PCBA板3和风扇5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5，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4，壳体1，为中空结构，其具有底座11和充电平台12，充电平台12相对于底座11倾斜，二者之间形成有散热间隙13，发射线圈2安装在充电平台12内，PCBA板3、导风构件4和风扇5安装在底座11内。壳体1表面形成有分别与壳体1内部连通的一进风口1a和一出风口1b，壳体1于充电平台12的表面具有用于放置手机并与出风口1b连通的导风槽1c。壳体1可以一体成型制成，也可以采用多个盖板组合形成，在本实施例中，壳体1包括背壳14、面盖15和底壳16，背壳14与面盖15连接并在二者之间围合形成第一腔室1d，背壳14与底壳16连接并在二者之间围合形成与第一腔室1d连通的第二腔室1e。
具体地，面盖15包括平板状的背板部151和支撑部152，支撑部152从背板部151的下端向外并向上弯折延伸，导风槽1c形成在背板部151的表面，导风槽1c的形状与手机的形状相匹配，出风口1b形成在支撑部152的顶面；PCBA板3、风扇5、导风构件4内置在第二腔室1e中，发射线圈2内置在第一腔室1d中，导风构件4具有风道41、位于风道41一端的空气入口42和位于风道41另一端且与出风口1b连通的空气出口43，风扇5具有与进风口1a对应的入风部51和插设于空气入口42的出风部52，出风部52卡设在空气入口42内，二者间可采用密封连接。需要说明的是，手机放置在自带散热功能的无线充电支架100后，手机的底部抵接在支撑部152并由该支撑部152托顶，手机的底部不遮挡该出风口1b，手机的顶部背面抵接在背板部151的导风槽1c的底面上，手机背面大部分的部位不与导风槽1c接触，这样，风扇5经出风口1b吹出的低温空气能由导风槽1c吹向手机的底部和手机的背面，大大地增加了手机与空气的接触面积，进而能有效对手机进行降温。由风扇5工作所产生气流经过专门的风道41传输，保证气流不会减少，沿着专门设计的导风槽1c导向可以最大程度上为充电的手机散热。
特别的是，在风扇5工作时，能够将壳体1内部的空气流动，因此可把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。
参见图1至5，作为进一步地优化，进风口1a形成但不局限在底壳16上，底壳16的底面可安装有脚垫，这样，能够减少尘埃被吸入壳体1内部，从而对壳体1内部的器件进行保护。
参见图1至5，作为进一步地优化，底壳16具有镂空区域17，镂空区域17构成进风口1a，这样，能够避免风扇5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至5，作为进一步地优化，风扇5的入风部51与底壳16之间留有导流间隙1f，这样，壳体1内部的空气能够由导流间隙1f流入风扇5中，从而有利于壳体1内各器件产生的热量被风扇5抽出，以使PCBA板3及发射线圈2有效地降温。
参见图1至5，作为进一步地优化，PCBA板3位于但不局限在风扇5的上方，这样，PCBA板3不会遮挡进风口1a，能够保证外部空气的进入。
参见图1和3，作为进一步地优化，导风槽1c的侧壁具有用于将导风槽1c内的空气导出的弧形的导风面1g，容易理解的是，通过分别在导风槽1c的上侧侧壁（图示的上侧）上形成及左右侧侧壁（图示的左右侧）上形成弧形的导风面1g，吹入该导风槽1c的空气与手机背部接触后并经导风面1g导出至导风槽1c的外部，从而将热量带出，这样，能够提高热量的散出，提高散热效果。
从图4和5可以看出，作为进一步地优化，支撑部152的顶面开设有供手机的底部滑入和滑出的定位槽153，定位槽153偏离出风口1b，这样，便于对手机的定位和固定，在手机的底部放入定位槽153后，手机的顶部背面靠在导风槽1c内，从而使手机的背面与导风槽1c的底面之间能够形成气体流动的间隙。
从图4和5可以看出，作为进一步地优化，导风构件4的空气出口43边缘凸设有卡合部44，壳体1于出风口1b边缘形成有与卡合部44配合卡合的卡合配合部18，这样，能够对导风构件4进行快速装配和固定，方便导风构件4的更换和整机的维护。
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支架，其特征在于，包括：
    中空的壳体，壳体表面形成有分别与壳体内部连通的一进风口和一出风口，所述壳体的表面具有用于放置手机并与所述出风口连通的导风槽；
    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；
    导风构件，内置在所述壳体中，所述导风构件具有风道、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；以及
    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导风构件的所述空气入口，所述风扇内置在所述壳体中。
  2. 根据权利要求1所述的自带散热功能的无线充电支架，其特征在于，所述壳体包括背壳以及与所述背壳分别连接的面盖和底壳，所述背壳与所述面盖围合形成第一腔室，所述背壳与所述底壳围合形成与所述第一腔室连通的第二腔室，所述面盖包括相互连接的背板部和支撑部，所述导风槽形成在所述背板部的表面，所述出风口形成在所述支撑部的顶面；所述PCBA板、所述风扇、所述导风构件内置在所述第二腔室中，所述发射线圈内置在所述第一腔室中。
  3. 根据权利要求2所述的自带散热功能的无线充电支架，其特征在于，所述进风口形成在所述底壳上。
  4. 根据权利要求3所述的自带散热功能的无线充电支架，其特征在于，所述底壳具有一镂空区域，所述镂空区域构成所述进风口。
  5. 根据权利要求2所述的自带散热功能的无线充电支架，其特征在于，所述风扇与所述底壳之间留有导流间隙。
  6. 根据权利要求2所述的自带散热功能的无线充电支架，其特征在于，所述支撑部的顶面开设有供手机的底部滑入和滑出的定位槽，所述定位槽偏离所述出风口。
  7. 根据权利要求1至6中任一项所述的自带散热功能的无线充电支架，其特征在于，所述PCBA板位于所述风扇的上方、下方或一侧。
  8. 根据权利要求1至6中任一项所述的自带散热功能的无线充电支架，其特征在于，所述导风槽的侧壁具有用于将所述导风槽内的空气导出的弧形的导风面。
  9. 根据权利要求1至6中任一项所述的自带散热功能的无线充电支架，其特征在于，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。
  10. 根据权利要求1至6中任一项所述的自带散热功能的无线充电支架，其特征在于，所述导风构件的空气出口边缘凸设有卡合部，所述壳体于出风口边缘形成有与所述卡合部配合卡合的卡合配合部。
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