WO2021253737A1 - 无线充电耳机及无线充电耳机系统 - Google Patents

无线充电耳机及无线充电耳机系统 Download PDF

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Publication number
WO2021253737A1
WO2021253737A1 PCT/CN2020/133423 CN2020133423W WO2021253737A1 WO 2021253737 A1 WO2021253737 A1 WO 2021253737A1 CN 2020133423 W CN2020133423 W CN 2020133423W WO 2021253737 A1 WO2021253737 A1 WO 2021253737A1
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Prior art keywords
wireless
charging
receiving module
battery
wireless receiving
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PCT/CN2020/133423
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English (en)
French (fr)
Inventor
陈波
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惠州市西西艾实业有限公司
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Publication of WO2021253737A1 publication Critical patent/WO2021253737A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones

Definitions

  • the present invention relates to the technical field of audio playback equipment, in particular to a wireless charging earphone and a wireless charging earphone system.
  • a wireless headset is an audio device that is loved by modern young people.
  • the wire in the middle of the wireless headset is replaced by electric waves. It is connected from the audio outlet of the computer to the transmitting end, and then sent from the transmitting end to the receiving end of the earphone through the electric wave.
  • the receiving end It is equivalent to a radio.
  • Existing wireless earphones are generally charged through wires, which is relatively inconvenient to charge. True wireless earphones not only have a good sound field and comfort, but are also easy to carry and are very popular among young people.
  • the common true wireless charging headsets on the market can only be charged through metal contacts, and a dedicated charging compartment is required for charging. Once the charging compartment is lost, the headset will not be able to charge. Moreover, even if there is a magnet or a buckle for auxiliary positioning, it is often the case that the metal contacts are dirty and cause the charge to be disconnected. Therefore, how to propose a wireless charging headset that does not require the use of metal contacts is an urgent problem in the industry.
  • the present invention provides a wireless charging headset, including a main body shell, a sounding unit, a battery, a charging circuit, and a wireless receiving module; the power terminal of the sounding unit is connected to the output terminal of the battery, and the input of the battery The terminal is connected to the output terminal of the charging circuit, and the input terminal of the charging circuit is connected to the output terminal of the wireless receiving module; the sound unit, the battery, the charging circuit, and the wireless receiving module They are all arranged in the main body shell; the wireless receiving module converts the received electromagnetic energy into electric energy, and the battery is charged through the charging circuit.
  • the wireless receiving module is disc-shaped, the charging circuit is arranged on a PCB circuit board, the battery is fixed to one end of the PCB circuit board, and the wireless receiving module is fixed to the PCB The other end of the circuit board.
  • the wireless receiving module includes an electromagnetic induction coil, and the wireless receiving module receives energy through electromagnetic induction.
  • the wireless charging headset further includes a ring-shaped ear cap, the sound generating unit includes a speaker, and the ear cap is sleeved around the speaker.
  • the ear cap is made of silicone material.
  • the wireless charging earphone further includes an earphone back cover
  • the main body shell includes a protruding part
  • the sound generating unit is arranged in the protruding part
  • the earphone back cover is closed on the main body case away from the One end of the raised part.
  • the wireless receiving module includes an inductance coil, and the wireless receiving module receives energy through electromagnetic resonance.
  • the present invention also provides a wireless charging earphone system, including an electromagnetic generating device and the wireless charging earphone as described above, and the electromagnetic generating device is connected to the wireless receiving module through electromagnetic induction.
  • the technical scheme of the present invention adds a wireless receiving module and a charging circuit to the existing earphone, so as to realize the true wireless charging of the wireless earphone.
  • the energy emitted by the wireless charging base is received through the wireless receiving module and converted into electrical energy, and the battery is charged after processing such as voltage stabilization, filtering, rectification, and transformation through the charging circuit.
  • the sound generating unit is powered by a battery, plays the sound, and realizes the playback function of the earphone.
  • the technical solution eliminates the need for metal contact charging, no need to use the charging compartment of the earphone, and no need to worry about the problem of poor charging contact caused by dirty metal contacts. Convenient and effective, it truly realizes the wireless charging of earphones.
  • Figure 1 is an exploded view of an embodiment of a wireless charging earphone of the present invention
  • FIG. 2 is a schematic structural diagram of an embodiment of the wireless charging earphone system of the present invention.
  • Fig. 3 is a schematic diagram of an embodiment of the wireless charging earphone system of the present invention.
  • Ear cap 2. Main body shell; 3. Sound unit; 4. Battery; 5. Charging circuit; 6. Wireless receiving module; 7. Earphone cover; 8. Electromagnetic generating device.
  • the present invention proposes a wireless charging headset, including a main body shell 2, a sound unit 3, a battery 4, a charging circuit 5 and a wireless receiving module 6; the power terminal of the sound unit 3 and the output of the battery 4
  • the input terminal of the battery 4 is connected with the output terminal of the charging circuit 5, the input terminal of the charging circuit 5 is connected with the output terminal of the wireless receiving module 6; the sound unit 3, the battery 4, the charging circuit 5 and the wireless receiving module 6
  • the wireless receiving module converts the received electromagnetic energy into electric energy, and charges the battery 4 through the charging circuit 5.
  • the technical scheme of the present invention adds a wireless receiving module 6 and a charging circuit 5 to the existing earphones to realize true wireless charging of the wireless earphones.
  • the energy emitted by the wireless charging base is received by the wireless receiving module 6 and converted into electric energy, and the battery 4 is charged after processing such as voltage stabilization, rectification, voltage transformation, and filtering through the charging circuit 5.
  • the sound generating unit 3 is powered by the battery 4, plays the sound, and realizes the playback function of the earphone.
  • the technical solution eliminates the need for metal contact charging, no need to use the charging compartment of the earphone, and no need to worry about the problem of poor charging contact caused by dirty metal contacts. Convenient and effective, it truly realizes the wireless charging of earphones.
  • the wireless receiving module 6 has a disc shape, the charging circuit 5 is arranged on a PCB circuit board, the battery 4 is fixed on one end of the PCB circuit board, and the wireless receiving module 6 is fixed on the other end of the PCB circuit board.
  • the wireless receiving module includes an electromagnetic induction coil, and the electromagnetic generating device 8 is also provided with an electromagnetic transmitting coil, and the wireless receiving module receives the energy emitted by the transmitting coil through electromagnetic induction.
  • electromagnetic induction wireless charging uses alternating current with a certain frequency in the transmitting coil to generate a certain current in the receiving coil through electromagnetic induction, thereby transferring energy from the transmitting end to the receiving end.
  • the PCB circuit board is also provided with circuits required for wireless earphones such as wireless communication circuits and signal processing circuits.
  • the wireless charging headset further includes a ring-shaped ear cap 1, the sound generating unit 3 includes a speaker, and the ear cap 1 is sleeved around the speaker.
  • the ear cap 1 is made of silicone material.
  • the silicone ring ear cap 1 can enhance the wearing comfort of the earphone, and the ear cap 1 can also be made of other materials.
  • the wireless charging earphone further includes an earphone back cover 7, the main body shell 2 includes a protrusion, the sound unit 3 is arranged in the protrusion, and the earphone back cover 7 is closed on the end of the main body shell 2 away from the protrusion.
  • the protrusion can be set in the shape of an ear hole to facilitate insertion into the ear hole.
  • the earphone back cover 7 can be used to set a decorative pattern.
  • the wireless receiving module includes an inductance coil, and the wireless receiving module receives energy through electromagnetic resonance.
  • Electromagnetic resonance wireless charging consists of an energy transmitting device and an energy receiving device. When the two devices are adjusted to the same frequency, or resonate at a specific frequency, they can exchange energy with each other.
  • the present invention also proposes a wireless charging headset system, including an electromagnetic generating device 8 and a wireless charging headset.
  • the electromagnetic generating device 8 powers the wireless charging headset through electromagnetic induction;
  • the wireless charging headset includes The main body shell 2, the sounding unit 3, the battery 4, the charging circuit 5 and the wireless receiving module 6;
  • the input end of the circuit 5 is connected with the output end of the wireless receiving module 6;
  • the sound unit 3, the battery 4, the charging circuit 5 and the wireless receiving module 6 are all arranged in the main body shell 2;
  • the wireless receiving module converts the received electromagnetic energy As electric energy, the battery 4 is charged through the charging circuit 5.
  • the invention avoids metal contact charging, does not need to use the charging compartment of the earphone, and does not need to worry about the problem of poor charging contact caused by dirty metal contacts. Convenient and effective, it truly realizes the wireless charging of earphones.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

本发明涉及一种无线充电耳机及无线充电耳机系统，无线充电耳机包括主体外壳、发声单元、电池、充电电路及无线接收模组。发声单元的电源端与电池的输出端连接，电池的输入端与充电电路的输出端连接，充电电路的输入端与无线接收模组的输出端连接；发声单元、电池、充电电路及无线接收模组都设置于主体外壳内；无线接收模块将接收到的电磁能转换为电能，通过充电电路对电池进行充电。本技术方案免除了现有无线耳机的金属触点充电，无需使用耳机的充电仓，也不用担心金属触点脏污导致的充电接触不良的问题。便捷、有效，真正实现了耳机的无线充电。

Description

无线充电耳机及无线充电耳机系统 技术领域
本发明涉及音频播放设备技术领域，特别是涉及无线充电耳机及无线充电耳机系统。
 背景技术
无线耳机是一种深受现代年轻人喜爱的音频设备，无线耳机中间的线被电波代替，是从电脑的音频出口连接到发射端，再由发射端通过电波发送到接受端的耳机，其接受端就是相当于是一个收音机。现有的无线耳机一般都通过有线进行充电，充电较为不便。真无线耳机不仅具有良好的声场和舒适度,而且便于携带,深受年轻人的喜爱。
 技术问题
目前市面上常见的真无线充电耳机都只有通过金属触点进行充电,需要使用专用的充电仓进行充电,一旦充电仓遗失,耳机将无法进行充电。而且即使有磁铁或卡扣进行辅助定位,也时常出现金属触点脏污导致断充的情况。因此，如何提出一种无需使用金属触点的无线充电耳机，是目前行业内一个亟待解决的问题。
 技术解决方案
基于此，有必要针对现有的无线充电耳机都是通过金属触点充电，较为不便的问题，提供一种无线充电耳机及无线充电耳机系统。
一方面，本发明提出一种无线充电耳机，包括主体外壳、发声单元、电池、充电电路及无线接收模组；所述发声单元的电源端与所述电池的输出端连接，所述电池的输入端与所述充电电路的输出端连接，所述充电电路的输入端与所述无线接收模组的输出端连接；所述发声单元、所述电池、所述充电电路及所述无线接收模组都设置于所述主体外壳内；所述无线接收模块将接收到的电磁能转换为电能，通过所述充电电路对电池进行充电。
优选地，所述无线接收模组为圆盘形，所述充电电路设置于一PCB电路板上，所述电池固定于所述PCB电路板的一端，所述无线接收模组固定于所述PCB电路板的另一端。所述无线接收模块包括电磁感应线圈，所述无线接收模块通过电磁感应接收能量。
优选地，所述无线充电耳机还包括环形的耳帽，所述发声单元包括扬声器，所述耳帽套设于所述扬声器的周围位置。所述耳帽通过硅胶材料制成。
其中，所述无线充电耳机还包括耳机后盖，所述主体外壳上包括凸起部，所述发声单元设置于所述凸起部内，所述耳机后盖盖合于所述主体外壳远离所述凸起部的一端。
在另一实施例中，所述无线接收模块包括电感线圈，所述无线接收模块通过电磁共振接收能量。
另一方面，本发明还提出了一种无线充电耳机系统，包括电磁发生装置及如上所述的无线充电耳机，所述电磁发生装置通过电磁感应与所述无线接收模组连接。
 有益效果
本发明技术方案在现有的耳机上增加无线接收模组和充电电路，实现了无线耳机的真正无线充电。通过无线接收模组接收无线充电底座发出的能量，并转换为电能，通过充电电路进行稳压、滤波、整流、变压等处理后对电池进行充电。发声单元通过电池进行供电，进行声音播放，实现耳机的播放功能。本技术方案免除了金属触点充电，无需使用耳机的充电仓，也不用担心金属触点脏污导致的充电接触不良的问题。便捷、有效，真正实现了耳机的无线充电。
 附图说明
图1为本发明无线充电耳机的实施例的爆炸图；
图2为本发明无线充电耳机系统一实施例的结构示意图；
图3为本发明无线充电耳机系统一实施例的原理图。
附图中，各标号所代表的部件列表如下：
1、耳帽；2、主体外壳；3、发声单元；4、电池；5、充电电路；6、无线接收模组；7、耳机后盖；8、电磁发生装置。
 本发明的实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂，下面结合附图对本发明的具体实施方式做清楚、完整的描述。显然，以下描述的具体细节只是本发明的一部分实施例，本发明还能够以很多不同于在此描述的其他实施例来实现。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动的前提下，所获得的所有其他实施例，均属于本发明的保护范围。
需要说明的是，当元件被称为“固定于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的，并不表示是唯一的实施方式。
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发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。
请参照图1及图2，本发明提出一种无线充电耳机，包括主体外壳2、发声单元3、电池4、充电电路5及无线接收模组6；发声单元3的电源端与电池4的输出端连接，电池4的输入端与充电电路5的输出端连接，充电电路5的输入端与无线接收模组6的输出端连接；发声单元3、电池4、充电电路5及无线接收模组6都设置于主体外壳2内；无线接收模块将接收到的电磁能转换为电能，通过充电电路5对电池4进行充电。
本发明技术方案在现有的耳机上增加无线接收模组6和充电电路5，实现了无线耳机的真正无线充电。通过无线接收模组6接收无线充电底座发出的能量，并转换为电能，通过充电电路5进行稳压、整流、变压、滤波等处理后对电池4进行充电。发声单元3通过电池4进行供电，进行声音播放，实现耳机的播放功能。本技术方案免除了金属触点充电，无需使用耳机的充电仓，也不用担心金属触点脏污导致的充电接触不良的问题。便捷、有效，真正实现了耳机的无线充电。
具体地，无线接收模组6为圆盘形，充电电路5设置于一PCB电路板上，电池4固定于PCB电路板的一端，无线接收模组6固定于PCB电路板的另一端。无线接收模块包括电磁感应线圈，电磁发生装置8内也设有电磁发射线圈，无线接收模块通过电磁感应接收发射线圈发出的能量。
可以理解的是，电磁感应式无线充电，通过发射线圈一定频率的交流电，通过电磁感应在接收线圈中产生一定的电流，从而将能量从传输端转移到接收端。
需要说明的是，本实施例中，PCB电路板内还设有无线通信电路、信号处理电路等无线耳机所需的电路。
具体地，无线充电耳机还包括环形的耳帽1，发声单元3包括扬声器，耳帽1套设于扬声器的周围位置。耳帽1通过硅胶材料制成。通过硅胶的环形耳帽1，可以增强耳机的佩戴舒适性，耳帽1也可以为其他材质制成。
其中，无线充电耳机还包括耳机后盖7，主体外壳2上包括凸起部，发声单元3设置于凸起部内，耳机后盖7盖合于主体外壳2远离凸起部的一端。本实施例中，凸起部可设置为耳孔的形状，便于插入耳孔内。耳机后盖7可以用于设置装饰图样。
在另一实施例中，无线接收模块包括电感线圈，无线接收模块通过电磁共振接收能量。电磁共振的无线充电，由能量发送装置，和能量接收装置组成，当两个装置调整到相同频率，或者说在一个特定的频率上共振，即可以交换彼此的能量。
请参照图3，另一方面，本发明还提出了一种无线充电耳机系统，包括电磁发生装置8及无线充电耳机，电磁发生装置8通过电磁感应为无线充电耳机供能；该无线充电耳机包括主体外壳2、发声单元3、电池4、充电电路5及无线接收模组6；发声单元3的电源端与电池4的输出端连接，电池4的输入端与充电电路5的输出端连接，充电电路5的输入端与无线接收模组6的输出端连接；发声单元3、电池4、充电电路5及无线接收模组6都设置于主体外壳2内；无线接收模块将接收到的电磁能转换为电能，通过充电电路5对电池4进行充电。
以上实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形、替换及改进，这些都应涵盖在本发明的保护范围之内。因此，本发明专利的保护范围应以权利要求为准。
 工业实用性
本发明免除了金属触点充电，无需使用耳机的充电仓，也不用担心金属触点脏污导致的充电接触不良的问题。便捷、有效，真正实现了耳机的无线充电。

Claims (8)

  1. 一种无线充电耳机，其特征在于，包括：主体外壳、发声单元、电池、充电电路及无线接收模组；所述发声单元的电源端与所述电池的输出端连接，所述电池的输入端与所述充电电路的输出端连接，所述充电电路的输入端与所述无线接收模组的输出端连接；所述发声单元、所述电池、所述充电电路及所述无线接收模组都设置于所述主体外壳内；所述无线接收模块将接收到的电磁能转换为电能，通过所述充电电路对电池进行充电。
  2. 根据权利要求1所述的无线充电耳机，其特征在于，所述无线接收模组为圆盘形，所述充电电路设置于一PCB电路板上，所述电池固定于所述PCB电路板的一端，所述无线接收模组固定于所述PCB电路板的另一端。
  3. 根据权利要求2所述的无线充电耳机，其特征在于，所述无线接收模块包括电磁感应线圈，所述无线接收模块通过电磁感应接收能量。
  4. 根据权利要求1所述的无线充电耳机，其特征在于，所述无线充电耳机还包括环形的耳帽，所述发声单元包括扬声器，所述耳帽套设于所述扬声器的周围位置。
  5. 根据权利要求4所述的无线充电耳机，其特征在于，所述耳帽通过硅胶材料制成。
  6. 根据权利要求1所述的无线充电耳机，其特征在于，所述无线充电耳机还包括耳机后盖，所述主体外壳上包括凸起部，所述发声单元设置于所述凸起部内，所述耳机后盖盖合于所述主体外壳远离所述凸起部的一端。
  7. 根据权利要求1所述的无线充电耳机，其特征在于，所述无线接收模块包括电感线圈，所述无线接收模块通过电磁共振接收能量。
  8. 一种无线充电耳机系统，其特征在于，包括电磁发生装置及如权利要求1至7任一项所述的无线充电耳机，所述电磁发生装置通过电磁感应与所述无线接收模组连接。
PCT/CN2020/133423 2020-06-19 2020-12-02 无线充电耳机及无线充电耳机系统 WO2021253737A1 (zh)

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WO2022133838A1 (zh) * 2020-12-23 2022-06-30 惠州市西西艾实业有限公司 一种无线充电收纳盒及无线充电耳机装置
CN112929782A (zh) * 2021-03-11 2021-06-08 乐麦声学科技(深圳)有限公司 一种无线充电tws耳机及其充电仓

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