WO2019109624A1 - 无线充电器 - Google Patents

无线充电器 Download PDF

Info

Publication number
WO2019109624A1
WO2019109624A1 PCT/CN2018/092081 CN2018092081W WO2019109624A1 WO 2019109624 A1 WO2019109624 A1 WO 2019109624A1 CN 2018092081 W CN2018092081 W CN 2018092081W WO 2019109624 A1 WO2019109624 A1 WO 2019109624A1
Authority
WO
WIPO (PCT)
Prior art keywords
insulating sheet
heat insulating
wireless charger
circuit board
housing
Prior art date
Application number
PCT/CN2018/092081
Other languages
English (en)
French (fr)
Inventor
桑堇馨
Original Assignee
深圳市蓝禾技术有限公司
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.)
Filing date
Publication date
Application filed by 深圳市蓝禾技术有限公司 filed Critical 深圳市蓝禾技术有限公司
Publication of WO2019109624A1 publication Critical patent/WO2019109624A1/zh

Links

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 utility model relates to the field of radio technology, in particular to a wireless charger.
  • the wireless charger transmits power by using a magnetic field generated between the coils, avoiding the use of a charging power cord, and is convenient to use.
  • the coil and the circuit board will generate heat during the charging process, and the heat accumulation will be transmitted to the electronic device such as the mobile phone, which will cause the battery to overheat, causing the mobile phone to start the battery protection and automatically power off, causing the charging process to be interrupted, affecting the work of the electronic device and the wireless charger. effectiveness.
  • a wireless charger comprising a housing, and a charging module formed by a circuit board and a coil module disposed in the housing, wherein the coil module is disposed on the circuit board or two
  • the devices are laterally arranged side by side, and the heat insulating sheet is further included in the casing, and the circuit board and the coil module are completely covered under the heat insulating sheet.
  • the heat insulating sheet includes a first heat insulating sheet and a second heat insulating sheet, the coil module is completely covered under the first heat insulating sheet, and the circuit board completely covers the second partition Below the heat sheet, the first heat insulating sheet and the second heat insulating sheet are laterally arranged.
  • the second heat insulating sheet is an insulating material.
  • the housing includes an upper cover, a side wall, and a lower cover, and the side wall is separately formed to combine with the upper cover and the lower cover to form a housing.
  • the side wall is integrally formed with the upper cover or the lower cover, and is combined with the lower cover or the upper cover to form a housing.
  • the housing further includes a rubber ring, and the rubber ring is disposed at an edge of the upper cover and is fixed to an upper end surface of the side wall.
  • the end surface of the lower cover facing away from the upper cover is provided with a plurality of anti-slip bases, and the plurality of anti-slip bases are laterally arranged parallel to each other.
  • the end surface of the lower cover facing away from the upper cover is further provided with a gasket, and the plurality of anti-slip bases extend through the gasket and protrude in a direction away from the lower cover.
  • the wireless charger provided by the present invention includes a housing, a charging module formed by a circuit board and a coil module disposed in the housing, and the housing further includes a heat insulating sheet, The circuit board and the coil module are completely covered under the heat insulating sheet.
  • the heat insulating sheet can block the heat generated by the circuit board and the coil module during the charging process from being transferred to the upper cover, thereby reducing heat accumulated on the mobile phone and avoiding overheating of the battery, and the wireless charger of the present invention is separated. Good thermal effect and high work efficiency.
  • FIG. 1 is an exploded perspective view of a wireless charger according to an embodiment of the present invention.
  • Figure 2 is another exploded perspective view of the housing of Figure 1.
  • FIG. 3 is an exploded perspective view of the charging module of FIG. 1.
  • Wireless charger 100 case 10 Upper cover 11 Side wall 12 lower lid 13 Charging module 20 Coil module twenty one Circuit board twenty two Heat insulation film 30 First heat insulation film 31 Second heat insulation film 32 rubber band 11A Non-slip base 13A Gasket 13B
  • the wireless charger 100 in one embodiment of the present invention is a wireless charging device that transmits electric energy through a magnetic field generated by a coil, such as a mobile phone charger, etc., and its function is to avoid using a charging power line, and is convenient to use.
  • the wireless charger 100 includes a housing 10 and a circuit board 22 and a coil module 21 disposed in the housing.
  • the circuit board 22 defines an inner hole that fits the coil module 21, and the coil module 21 is disposed.
  • the housing 10 further includes a heat insulating sheet 30, and the circuit board 22 and the coil module 21 completely cover the heat insulating sheet 30.
  • the function of the heat insulating sheet 30 is to block the heat generated by the circuit board 22 and the coil module 21 during the charging process from being transferred to the upper cover 11, thereby reducing the heat accumulated on the mobile phone and avoiding overheating of the battery.
  • the housing 10 includes an upper cover 11, a side wall 12, and a lower cover 13.
  • the side wall 12 and the upper cover 11 are integrally formed as an integral structure, as shown in FIG.
  • the upper cover 11 is in the shape of a disk
  • the side wall 12 is a thin-walled cylindrical shape
  • the end surface of the lower cover 13 is annular
  • the inner and outer edges of the lower cover 13 face the side of the upper cover 11 Extending out; the side wall 12 is combined with the lower cover 13 to form the closed casing 10.
  • the housing 10 is a carrier of its internal components and an outer guard.
  • the side wall 12 and the upper cover 11 shown in FIG. 2 are combined structures, and the side wall 12, the upper cover 11 and the lower cover 13 are combined to form the closed casing 10.
  • the housing 10 further includes a ring-shaped rubber ring 11A, and the rubber ring 11A is placed on the edge of the upper cover 11 and fixed to the upper end surface of the side wall 12.
  • the back cover 13 is provided with four anti-slip bases 13A facing away from the end surface of the upper cover 11, and the four anti-slip bases 13A are arranged in a horizontal array, parallel to each other, and the circumferential direction is evenly distributed in the inner hole of the lower cover 13. nearby.
  • the lower cover 13 is further provided with a spacer 13B facing away from the end surface of the upper cover 11, and the four anti-slip bases 13A extend through the spacer 13B along the hole and protrude in a direction away from the lower cover 13.
  • the housing 10 may have a square or irregular shape; the side wall 12 and the lower cover 13 may be an integrally formed unitary structure; the anti-slip base 13A may be one or two. 3 or more; the lower cover 13 may be free of the spacer 13B.
  • the wireless charger 100 includes a circuit board 22 disposed in the casing 10 and a charging module 20 formed by the coil module 21, and the charging module 20 is the key to realize wireless charging.
  • the working parts mainly adopt the principle of electromagnetic induction, and the energy is transmitted through the coil to realize energy transfer.
  • the circuit board 22 is provided with an inner hole that fits the coil module 21, and the coil module 21 is placed at an inner hole of the circuit board 22.
  • the coil module 21 is a combination of a winding coil and a magnetic conductive sheet.
  • the shape of the circuit board 22 is circular.
  • the circuit board 22 and the coil module 21 may be square and other irregular shapes; the circuit board 22 may be laterally arranged side by side with the coil module 21.
  • the housing 10 includes a heat insulating sheet 30 , and the circuit board 22 and the coil module 21 completely cover the heat insulating sheet 30 .
  • the heat insulating sheet 30 includes a first heat insulating sheet 31 having a disk shape and a second heat insulating sheet 32 having a circular shape, and the coil module 21 is completely covered under the first heat insulating sheet 31.
  • the circuit board 22 is completely covered under the second heat insulating sheet 32.
  • the first heat insulating sheet 31 is horizontally arranged with the second heat insulating sheet 32, and the second heat insulating sheet 32 is made of an insulating material.
  • first heat insulating sheet 31 and the second heat insulating sheet 32 may have a square shape and other shapes; the first heat insulating sheet 31 and the second heat insulating sheet 32 may be integrated.
  • the structure completely covers the circuit board 22 and the coil module 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种无线充电器（100），包括壳体（10）、及置于壳体内的电路板（22）和线圈模块（21）构成的充电模块（20），壳体内还包括隔热片（30），电路板与线圈模块完全遮盖于隔热片的下方。隔热片可以阻隔电路板和线圈模块在充电过程产生的热量传递至上盖，从而减少手机上积聚的热量，避免电池过热。该无线充电器的隔热效果好、工作效率高。

Description

无线充电器 技术领域
本实用新型涉及无线电技术领域，特别是指无线充电器。
 背景技术
无线充电器通过使用线圈之间产生的磁场传输电能，避免使用充电电源线，使用便捷。线圈和电路板在充电过程都会发热，热量积聚传递给电子设备如手机等，会引起电池过热现象，导致手机启动电池保护而自动断电，使得充电过程中断，影响电子设备和无线充电器的工作效率。
 技术问题
鉴于以上内容，有必要提供一种改进的无线充电器，其具有隔热效果好、工作效率高的特点。
 技术解决方案
本实用新型提供的技术方案为：一种无线充电器，包括壳体、及置于所述壳体内的电路板和线圈模块构成的充电模块，所述线圈模块设于所述电路板上或两者横向并排设置，所述壳体内还包括隔热片，所述电路板与所述线圈模块完全遮盖于隔热片的下方。
进一步地，所述隔热片包括第一隔热片和第二隔热片，所述线圈模块完全遮盖于所述第一隔热片的下方，所述电路板完全遮盖于所述第二隔热片的下方，所述第一隔热片与所述第二隔热片横向排设。
进一步地，所述第二隔热片为绝缘材料。
进一步地，所述壳体包括上盖、侧壁、下盖，所述侧壁单独成型与所述上盖和所述下盖结合构成壳体。
进一步地，所述侧壁与所述上盖或所述下盖整体成型，分别与所述下盖或上盖结合构成壳体。
进一步地，所述壳体还包括橡胶圈，所述橡胶圈置于所述上盖的边沿，固定在所述侧壁的上端面。
进一步地，所述下盖背离所述上盖的端面设有若干防滑底座，若干所述防滑底座横向相互平行排设。
进一步地，所述下盖背离所述上盖的端面还设有垫片，若干所述防滑底座贯穿所述垫片，并沿背离所述下盖的方向伸出。
 有益效果
与现有技术相比，本实用新型提供的无线充电器，包括壳体、及置于所述壳体内的电路板和线圈模块构成的充电模块，所述壳体内还包括隔热片，所述电路板与所述线圈模块完全遮盖于所述隔热片的下方。所述隔热片可以阻隔所述电路板和所述线圈模块在充电过程产生的热量传递至所述上盖，从而减少手机上积聚的热量，避免电池过热，本实用新型的无线充电器的隔热效果好、工作效率高。
 附图说明
下面结合附图和具体实施方式对本实用新型作进一步详细的说明。
图1是本实用新型一实施例提供的无线充电器的分解示意图。
图2是图1所示壳体的另一分解示意图。
图3是图1所示充电模块的分解示意图。
附图标记说明:
无线充电器 100
壳体 10
上盖 11
侧壁 12
下盖 13
充电模块 20
线圈模块 21
电路板 22
隔热片 30
第一隔热片 31
第二隔热片 32
橡胶圈 11A
防滑底座 13A
垫片 13B
如下具体实施方式将结合上述附图进一步说明本实用新型实施例。
 本发明的实施方式
为了能够更清楚地理解本实用新型实施例的上述目的、特征和优点，下面结合附图和具体实施方式对本实用新型进行详细描述。需要说明的是，在不冲突的情况下，本申请的实施方式中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本实用新型实施例，所描述的实施方式仅是本实用新型一部分实施方式，而不是全部的实施方式。基于本实用新型中的实施方式，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施方式，都属于本实用新型实施例保护的范围。
除非另有定义，本文所使用的所有的技术和科学术语与属于本实用新型实施例的技术领域的技术人员通常理解的含义相同。本文中在本实用新型的说明书中所使用的术语只是为了描述具体的实施方式的目的，不是旨在于限制本实用新型实施例。
本实用新型一实施例中的无线充电器100为通过线圈产生的磁场传输电能的无线充电设备，例如手机充电器等，其作用在于避免使用充电电源线，使用便捷。所述无线充电器100包括壳体10、及置于所述壳体内的电路板22和线圈模块21，所述电路板22开设有配合所述线圈模块21的内孔，所述线圈模块21置于所述电路板22的内孔处，所述壳体10内还包括隔热片30，所述电路板22与所述线圈模块21完全遮盖于所述隔热片30的下方。所述隔热片30的作用在于阻隔所述电路板22和所述线圈模块21在充电过程产生的热量传递至所述上盖11，从而减少手机上积聚的热量，避免电池过热。
请一并参阅图1和图2，所述壳体10包括上盖11、侧壁12、下盖13，所述侧壁12与所述上盖11为整体成型的一体结构，如图1所示，所述上盖11为圆盘形，所述侧壁12为薄壁圆筒形，所述下盖13的端面为圆环形，所述下盖13的内外边缘朝向所述上盖11一侧延伸出；所述侧壁12与所述下盖13结合构成闭合的所述壳体10。所述壳体10为其内部元件的承载装置及外护件。
图2所示的所述侧壁12与所述上盖11为组合结构，所述侧壁12、所述上盖11以及所述下盖13结合构成闭合的所述壳体10。所述壳体10还包括圆圈形的橡胶圈11A，所述橡胶圈11A置于所述上盖11的边沿，固定在所述侧壁12的上端面。所述下盖13背离所述上盖11的端面设有4个防滑底座13A，4个所述防滑底座13A横向阵列排设，互相平行，且环向均匀分布于所述下盖13的内孔附近。所述下盖13背离所述上盖11的端面还设有垫片13B，4个所述防滑底座13A沿孔贯穿所述垫片13B，并沿背离所述下盖13的方向伸出。
在其他实施例中，所述壳体10可以为方形或不规则形状；所述侧壁12与所述下盖13可以为整体成型的一体结构；所述防滑底座13A可以为1个、2个、3个或4个以上；所述下盖13可不含所述垫片13B。
请一并参阅图1和图3，所述无线充电器100包括置于所述壳体10内的电路板22和线圈模块21构成的充电模块20，所述充电模块20是实现无线充电的关键工作部件，主要采用电磁感应原理，通过线圈进行能量耦合实现能量传递。所述电路板22开设有配合所述线圈模块21的内孔，所述线圈模块21置于所述电路板22的内孔处，所述线圈模块21为卷绕线圈与导磁片的组合，其外形为圆盘形；所述电路板22的端面为圆环形。
在其他实施例中，所述电路板22和所述线圈模块21可以为方形和其他不规则形状；所述电路板22可与所述线圈模块21横向并排排设。
请参阅图1，所述壳体10内包括隔热片30，所述电路板22与所述线圈模块21完全遮盖于所述隔热片30的下方。所述隔热片30包括圆盘形的第一隔热片31和圆环形的第二隔热片32，所述线圈模块21完全遮盖于所述第一隔热片31的下方，所述电路板22完全遮盖于所述第二隔热片32的下方，所述第一隔热片31与所述第二隔热片32横向排设，所述第二隔热片32为绝缘材料。
在其他实施例中，所述第一隔热片31和所述第二隔热片32可以为方形及其他形状；所述第一隔热片31和所述第二隔热片32可以是一体结构，完全遮盖所述电路板22与所述线圈模块21。
以上实施方式仅用以说明本实用新型实施例的技术方案而非限制，尽管参照以上较佳实施方式对本实用新型实施例进行了详细说明，本领域的普通技术人员应当理解，可以对本实用新型实施例的技术方案进行修改或等同替换都不应脱离本实用新型实施例的技术方案的精神和范围。
 

Claims (8)

  1. 一种无线充电器，包括壳体、及置于所述壳体内的电路板和线圈模块构成的充电模块，所述线圈模块设于所述电路板上或两者横向并排设置，其特征在于：所述壳体内还包括隔热片，所述电路板与所述线圈模块完全遮盖于所述隔热片的下方。
  2. 根据权利要求1所述的无线充电器，其特征在于：所述隔热片包括第一隔热片和第二隔热片，所述线圈模块完全遮盖于所述第一隔热片的下方，所述电路板完全遮盖于所述第二隔热片的下方，所述第一隔热片与所述第二隔热片横向排设。
  3. 根据权利要求2所述的无线充电器，其特征在于：所述第二隔热片为绝缘材料。
  4. 根据权利要求1所述的无线充电器，其特征在于：所述壳体包括上盖、侧壁、下盖，所述侧壁单独成型与所述上盖和所述下盖结合构成壳体。
  5. 根据权利要求4所述的无线充电器，其特征在于：所述侧壁与所述上盖或所述下盖整体成型，分别与所述下盖或上盖结合构成壳体。
  6. 根据权利要求4或5所述的无线充电器，其特征在于：所述壳体还包括橡胶圈，所述橡胶圈置于所述上盖的边沿，固定在所述侧壁的上端面。
  7. 根据权利要求4所述的无线充电器，其特征在于：所述下盖背离所述上盖的端面设有若干防滑底座，若干所述防滑底座横向相互平行排设。
  8. 根据权利要求7所述的无线充电器，其特征在于：所述下盖背离所述上盖的端面还设有垫片，若干所述防滑底座贯穿所述垫片，并沿背离所述下盖的方向伸出。
PCT/CN2018/092081 2017-12-08 2018-06-21 无线充电器 WO2019109624A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201721710426.1U CN207234482U (zh) 2017-12-08 2017-12-08 无线充电器
CN201721710426.1 2017-12-08

Publications (1)

Publication Number Publication Date
WO2019109624A1 true WO2019109624A1 (zh) 2019-06-13

Family

ID=61849731

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/092081 WO2019109624A1 (zh) 2017-12-08 2018-06-21 无线充电器

Country Status (2)

Country Link
CN (1) CN207234482U (zh)
WO (1) WO2019109624A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207234482U (zh) * 2017-12-08 2018-04-13 深圳市蓝禾技术有限公司 无线充电器
CN110417127B (zh) * 2018-04-28 2023-09-22 捷普科技（上海）有限公司 无线充电设备
DE102020215074A1 (de) * 2020-11-30 2022-06-02 Mahle International Gmbh Elektromagnetische Induktionsladeeinrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2693591A1 (en) * 2012-08-03 2014-02-05 Primax Electronics Ltd Wireless Power Transmission Device
CN205666665U (zh) * 2016-05-12 2016-10-26 叶武剑 一种台面式加密型手机无线充电器
CN207234482U (zh) * 2017-12-08 2018-04-13 深圳市蓝禾技术有限公司 无线充电器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2693591A1 (en) * 2012-08-03 2014-02-05 Primax Electronics Ltd Wireless Power Transmission Device
CN205666665U (zh) * 2016-05-12 2016-10-26 叶武剑 一种台面式加密型手机无线充电器
CN207234482U (zh) * 2017-12-08 2018-04-13 深圳市蓝禾技术有限公司 无线充电器

Also Published As

Publication number Publication date
CN207234482U (zh) 2018-04-13

Similar Documents

Publication Publication Date Title
WO2019109624A1 (zh) 无线充电器
US10141771B1 (en) Near field transmitters with contact points for wireless power charging
TW201421211A (zh) 無線充電裝置
WO2019114175A1 (zh) 无线充电器
KR101733579B1 (ko) 외부 자연 방열판을 구비하는 무선충전장치
CN209072105U (zh) 一种具有压电陶瓷风扇散热结构的无线充电座
TW201227764A (en) Transformer structure
US20140118928A1 (en) Electronic device
CN207766008U (zh) 一种散热性能高的伸缩式无线充电器
CN208539597U (zh) 一种无线充电器
WO2019100708A1 (zh) 无线充电器
CN206118266U (zh) 一种散热装置、射频拉远单元及通信基站
KR20190136303A (ko) 발열 성능이 개선된 무선 전력 송신 장치
TW201501445A (zh) 無線充電接收器
CN214228718U (zh) 散热器和包括该散热器的装置
CN211556915U (zh) 无线充电座
CN103606447A (zh) 一种便携式变压器
CN210042634U (zh) 一种采用相变抑制传热材料及压电陶瓷风扇的无线充电座
CN209930019U (zh) 一种手机充电用充电宝
CN211556912U (zh) 无线充电座
CN115224813A (zh) 无线充电座
WO2018102963A1 (zh) 电子设备及其集成式隔磁片
CN206640261U (zh) 一种照明供电装置型母线槽
KR20140115839A (ko) 무선 충전 장치
CN219287172U (zh) 散热充电设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18885092

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18885092

Country of ref document: EP

Kind code of ref document: A1