WO2019085063A1 - 一种蓝牙耳机 - Google Patents

一种蓝牙耳机 Download PDF

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Publication number
WO2019085063A1
WO2019085063A1 PCT/CN2017/112330 CN2017112330W WO2019085063A1 WO 2019085063 A1 WO2019085063 A1 WO 2019085063A1 CN 2017112330 W CN2017112330 W CN 2017112330W WO 2019085063 A1 WO2019085063 A1 WO 2019085063A1
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earphone
antenna
ear
convex portion
headset
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PCT/CN2017/112330
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English (en)
French (fr)
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胡柏松
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深圳市魔浪电子有限公司
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Publication of WO2019085063A1 publication Critical patent/WO2019085063A1/zh

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    • 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 an audio device, and more particularly to a Bluetooth headset.
  • the ear-to-ear wireless stereo Bluetooth headset on the market currently has the following problems:
  • the in-line type is fixed by the ear canal alone, the wearing is not stable, easy to fall, and the ear canal discomfort caused by wearing for a long time.
  • the problem is that the oblique plug-in type is fixed by the ear-bearing boat and the pair of ear-rings.
  • the ear-bearing boat and the pair of ear-wheels are cartilage, and the elasticity is limited. If the earphones are stuck for a long time, the two cartilage pains, redness and the like may occur. ;
  • the common ear-to-ear wireless stereo Bluetooth headset on the market uses the main earphone control.
  • the control panel of the ear wireless stereo earphone is small, only one button or touch screen button can be placed, resulting in a single control function and easy error. Control and other issues.
  • the technical problem to be solved by the present invention is how to improve the wearing comfort of the user, and how to make the overall structure of the earphone small without sacrificing the Bluetooth receiving performance.
  • a Bluetooth earphone comprising an earphone front cavity, a back cover and a pcba board, characterized in that the outer contour of the earphone front cavity is fitted with the ear on one side of the ear.
  • the curved surface of the tragus between the tragus and the tragus is matched with a curved surface, and a convex portion is arranged on the front cavity of the earphone, and the pcba plate is aligned with the convex portion along the convex portion in the front cavity of the earphone, and the pcba plate is convex.
  • the position is provided with an on-board antenna or an antenna welded.
  • the Bluetooth earphone is characterized in that the convex portion is disposed on a side of the incision between the tragus and the ear, and the antenna in the convex portion is slightly higher than the tragus between the ear.
  • the Bluetooth headset is characterized in that it comprises a left earphone and a right earphone, the left earphone and the right earphone are one host and the other is a slave.
  • the Bluetooth headset is characterized in that the pcba board is provided with a noise reduction module and an audio amplification module, and the audio amplification module can be configured to switch the amplified ambient sound and the audio output signal.
  • the Bluetooth earphone is characterized in that a battery is further disposed, and a bracket made of a plastic material is arranged between the battery and the pcba board, and the bracket separates the battery from the pcba board on both sides of the bracket, which can effectively reduce the battery pair. Interference from Bluetooth signals.
  • the Bluetooth headset is characterized in that two control buttons are provided on the host and the auxiliary machine.
  • the Bluetooth headset is characterized in that both the host and the slave are provided with a microphone.
  • the Bluetooth headset is characterized in that the host and the auxiliary machine are further provided with a contact charging system, the contact charging system is provided with an L-type barb contact, and the contact charging system is provided with a charging striker .
  • the invention has the following beneficial effects: the antenna is directly soldered on the pcba board, the internal space of the earphone is saved, and the volume of the bluetooth earphone is effectively reduced; the antenna is placed at the lower end of the earphone, and the shape just matches the incision between the ear and the ear and conforms to the human body.
  • the structure and appearance of the engineering can effectively fix the earphone and increase the wearing comfort; the antenna is placed at the convex part of the lower end of the earphone, and the antenna is slightly higher than the ear tangs between the ear, which can effectively improve the signal transmission of the antenna. With the receiving range, better signal transmission can be achieved.
  • FIG. 1 is a schematic overall view of a Bluetooth headset
  • Figure 2 is an exploded view of the Bluetooth headset host
  • Figure 3 is an exploded view of the Bluetooth headset accessory
  • FIG. 4 is a schematic diagram of wearing a Bluetooth earphone jade ear
  • Figure 5 is a schematic diagram of the wearing effect of the Bluetooth headset and the ear.
  • the invention directly solders the antenna on the pcba board, saves the inner space of the earphone, and effectively reduces the volume of the bluetooth earphone; the antenna is placed at the lower end of the earphone, and the shape just matches the incision between the ear and the ear and conforms to the human body.
  • the structure and appearance of the engineering can effectively fix the earphone and increase the wearing comfort; the antenna is placed at the lower end of the earphone, and the antenna is slightly higher than the ear tangential notch of the ear, which can effectively improve the signal transmission of the antenna.
  • the noise reduction module and the audio amplification module are designed on the pcba board, further enabling the microphone of the invention to have three functions: 1, the call function; 2, the noise reduction function; Ambient sound amplification.
  • the headset can be used to talk and listen to music, and the ambient sound can be heard clearly without removing the earphone; there are two control buttons on the main unit and the auxiliary machine, which can not only put more control commands, but also It is not easy to cause wrong control, which is different from the single button or touch operation on the market; the built-in independent bracket separates the pcba board from the battery on both sides of the bracket, effectively reducing the signal transmission interference of the battery on the pcba board antenna; charging by contact, charging It is convenient and quick, and it effectively improves the waterproof performance.
  • FIG. 1 is an overall schematic diagram of a Bluetooth headset, including a host 01 and a slave 02.
  • Figure 2 is an exploded view of the Bluetooth headset host, including the back cover 0101, pcba board 0102, onboard antenna 0103, structure bracket 0104, battery 0105, contact charging system 0106, speaker 0107, headphone front cavity 0108, microphone 0109, power control
  • FIG. 3 is an exploded view of the Bluetooth headset accessory, including a back cover 0201, a pcba board 0202, an onboard ceramic antenna 0203, a structure bracket 0204, a battery 0205, a contact charging system 0206, a speaker 0207, an earphone front cavity 0208, a microphone 0209, Power control button 0210, noise reduction module 0211, audio amplification processing module 0212, volume addition/subtraction/previous song next operation button 0213.
  • the shape protrudes downward, and the pcba board 0102 is also designed to protrude downward.
  • the earphone antenna 0103 is placed on the protruding portion of the pcba board, which effectively reduces the volume of the Bluetooth headset.
  • Figure 4 is a schematic diagram of the wearing of the Bluetooth earphone and the ear.
  • the Bluetooth earphone When the Bluetooth earphone is worn on the ear, the lower protruding portion of the position of the onboard antenna 0103 just snaps into the ear tangential position of the ear, which is ergonomically designed and according to the triangle.
  • Stability theorem, A / B / C three points in the figure to play a fixed earphone, point A is the ear The screen is notched, the point B is the tragus, and the point C is the tragus.
  • FIG. 5 is a schematic diagram of the wearing effect of the Bluetooth earphone and the ear.
  • the earphone antenna 0103 is located at the notch position between the ear otoscope, and the earphone is slightly higher than the ear tang tang notch, which can effectively improve the signal transmission of the enlarged antenna. Receiving range.
  • the microphone headset 0102 of the Bluetooth headset is equipped with a microphone 0109.
  • the user voice is introduced through the voice parsing module to realize the call function; in the music playing state, the microphone 0109 realizes the noise reduction function through the noise reduction module 0111 on the pcba board.
  • the microphone 0109 receives the external sound, through the audio amplifier on the pcba board processing 0112, the external sound is transmitted to the user's ear by the speaker of the earphone.
  • the headset can be used to talk, listen to music, and listen to the ambient sound without removing the headphones.
  • the host power control button 0110 can control the state of the main machine and the auxiliary machine. Press the volume plus / last operation button 0113, the headphone volume will be increased by one level. In the state of playing music, double click the volume plus / last When the operation button 0113 is pressed, the previous song is played; pressing the auxiliary power control button 0210 can control the on/off state of the auxiliary machine, and short press the volume down/next operation button 0213, and the volume of the earphone is lowered by one level. In the state where the music is played, double-click the volume down/next track operation button 0113 to play the next song.
  • a special plastic structure bracket 0104/0204 is designed between the pcba board 0102/0202 of the Bluetooth headset and the battery 0105/0205, effectively separating the pcba board 0102/0202 from the battery 0105/0205, further reducing the battery 0105/0205 for the antenna 0103/ 0203 signal transmission interference, enhancing the stability of signal transmission.
  • the charging system has a separate pcba board, charging striker 0114/0214, the charging striker protrudes through the front cavity housing 0108/0208 to contact the charging power supply, further through the pcba board of the contact charging system
  • the voltage and current control further charges the battery 0105/0205; when the invention works, the battery 0105/0205 releases the power through the pcba board of the contact charging system, and further passes the L-barb contact 0115/0215 as the main pcba board 0102/0202 Provide power.
  • the joint of the back cover 0101/0201 and the front cavity of the earphone 0108/0208 is provided with a groove 0116/0216 on the back cover 0101/0201 or the front cavity 0108/0208 of the earphone, and the back cover 0101/0201 and the front cavity of the earphone 0108/0208 After assembly, the waterproof glue can be added to the groove 0116/0216 to further improve the waterproof effect.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)

Abstract

本发明公开了一种蓝牙耳机，包括耳机前腔、后盖和pcba板，其特征在于所述耳机前腔的外轮廓贴合耳朵的一面上设有与耳朵的耳屏间切迹和耳屏相吻合的弧面，耳机前腔上设有一个凸部，所述pcba板在耳机前腔内向凸部沿展与凸部相一致，所述pcba板在凸部位置设有板载天线或焊接有天线。天线直接焊接在pcba板上，节省耳机内部空间，有效缩小蓝牙耳机的体积；把天线置于耳机下端，外形刚刚与耳朵的耳屏间切迹相吻合且符合人体工程学的结构与外观，能有效的固定耳机与增加佩戴舒适感；且把天线置于耳机下端凸出部位，使用时天线微微高出耳朵的耳屏间切迹，能有效的提高天线的信号发射与接收范围，可实现更好的信号传输效果。

Description

一种蓝牙耳机 技术领域
本发明涉及音响设备，更具体涉及一种蓝牙耳机。
背景技术
目前市场上的对耳无线立体声蓝牙耳机有如下问题：
1：耳机体积越来越小，导致耳机天线信号很难达到理想效果；
2：目前市场上的部分对耳无线立体声蓝牙耳机天线置于耳机柄上，因此增加了耳机体积，并且工艺难度更复杂，增加制造成本；
3：目前市场上的大多数对耳无线立体声蓝牙耳机分为直插式与斜插式，直插式单单靠耳道固定，佩戴不稳固，易掉落，且长时间佩戴造成耳道不适等问题，斜插式的则靠耳甲艇与对耳轮卡住耳机达到固定效果，然而耳甲艇与对耳轮是软骨，弹性有限，长时间卡住耳机会造成这两次软骨疼痛、红肿等现象；
4：目前市场上的大多数对耳无线立体声蓝牙耳机天线置于耳机上端，用户带上后天线深陷于耳廓内，且耳舟与耳轮较厚，且这个位置是头围周长最长的部位，影响左右耳机间的信号传输，造成延时，声音不同步等问题，影响体验。
5：目前市场上大部分的蓝牙耳机戴上以后阻止外部声音进入耳道，导致无法听清身边的环境声音，当需要听清楚身边的环境声音时，则需要摘下耳机，操作麻烦，且经常摘下耳机容易导致耳机遗失。
6：目前市场上普通的对耳无线立体声蓝牙耳机使用主耳机操控，然而由于对耳无线立体声耳机的操控面板较小，只能置入一个按键或者是触屏按键，造成操控功能单一，易错误操控等问题。
发明内容
本发明所要解决的技术问题是如何提高用户的佩戴舒适度，如何在不牺牲蓝牙接收性能的情况下，将耳机整体结构作小。
为了解决上述技术问题，本发明设计了一种蓝牙耳机，包括耳机前腔、后盖和pcba板，其特征在于所述耳机前腔的外轮廓贴合耳朵的一面上设有与耳朵 的耳屏间切迹和耳屏相吻合的弧面，耳机前腔上设有一个凸部，所述pcba板在耳机前腔内向凸部沿展与凸部相一致，所述pcba板在凸部位置设有板载天线或焊接有天线。
所述的蓝牙耳机，其特征在于所述凸部设置在与耳朵的耳屏间切迹一侧，且凸部内的天线或微高于耳朵的耳屏间切迹。
所述的蓝牙耳机，其特征在于包括左耳机和右耳机，所述左耳机和右耳机一个为主机，另一个为副机。
所述的蓝牙耳机，其特征在于所述pcba板上设有降噪模块和音频放大模块，所述音频放大模块可配置切换放大环境声音和音频输出信号。
所述的蓝牙耳机，其特征在于还设有电池，所述电池与pcba板之间设有塑胶材料制成的支架,支架将电池与pcba板分隔在在支架两侧，能有效的降低电池对蓝牙信号的干扰。
所述的蓝牙耳机，其特征在于所述主机和副机上都设有两个操控按钮。
所述的蓝牙耳机，其特征在于所述主机和副机上都设有包括麦克风。
所述的蓝牙耳机，其特征在于所述主机和副机上还设有触点充电系统，所述触点充电系统上设有L型倒钩触点，所述触点充电系统上设有充电撞针。
实施本发明具有如下有益效果：天线直接焊接在pcba板上，节省耳机内部空间，有效缩小蓝牙耳机的体积；把天线置于耳机下端，外形刚刚与耳朵的耳屏间切迹相吻合且符合人体工程学的结构与外观，能有效的固定耳机与增加佩戴舒适感；把天线置于耳机下端凸出部位，使用时天线微微高出耳朵的耳屏间切迹，能有效的提高天线的信号发射与接收范围，可实现更好的信号传输效果。
附图说明
图1是蓝牙耳机整体示意图；
图2是蓝牙耳机主机的爆炸图；
图3是蓝牙耳机副机的爆炸图；
图4是蓝牙耳机玉耳朵的佩戴示意图；
图5是蓝牙耳机与耳朵的佩戴效果示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。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。
为了达到发明目的，本发明把天线直接焊接在pcba板上，节省耳机内部空间，有效缩小蓝牙耳机的体积；将天线置于耳机下端，外形刚刚与耳朵的耳屏间切迹相吻合且符合人体工程学的结构与外观，能有效的固定耳机与增加佩戴舒适感；将天线置于耳机下端凸出部位，使用时天线微微高出耳朵的耳屏间切迹，能有效的提高天线的信号发射与接收范围，以达到更好的信号传输效果；在pcba板上设计了降噪模块与音频放大模块，进一步使本发明的麦克风有三种功能：①，通话功能；②，降噪功能；③，环境声音放大功能。实现带上耳机既能通话，又能听音乐，还能无需摘除耳机就能清晰听取环境声音；在主机和副机上都分别设有两个操控按钮，不仅可以更多的置入操控指令，且不易导致错误操控，区别于市面上的单按键或触摸操作；内置独立支架，将pcba板与电池分隔于支架两侧，有效降低电池对pcba板上天线的信号传输干扰；采用触点充电，充电时方便快捷，而且有效提高防水性能。
图1是蓝牙耳机整体示意图，包括主机01和副机02。
图2是蓝牙耳机主机的爆炸图，包含后盖0101、pcba板0102、板载天线0103、结构支架0104、电池0105、触点充电系统0106、喇叭0107、耳机前腔0108、麦克风0109、电源操控按键0110、降噪模块0111、音频放大处理模块0112,、音量加减/上一曲下一曲操作按键0113。
图3是蓝牙耳机副机的爆炸图，包含后盖0201、pcba板0202、板载陶瓷天线0203、结构支架0204、电池0205、触点充电系统0206、喇叭0207、耳机前腔0208、麦克风0209、电源操控按键0210、降噪模块0211、音频放大处理模块0212,、音量加减/上一曲下一曲操作按键0213。
图2所示，外形向下突出，pcba板0102也设计成向下突出的形状，耳机天线0103放置于pcba板突出部分，这样有效减小了蓝牙耳机的体积。
图4是蓝牙耳机与耳朵的佩戴示意图，蓝牙耳机佩戴于耳朵上时，板载天线0103所在位置的下部突出部位刚刚卡入耳朵的耳屏间切迹位置，符合人体工程学设计，且根据三角形稳定定理，图中A/B/C三点起到固定耳机作用，A点为耳 屏间切迹，B点为耳屏，C点为对耳屏。
图5是蓝牙耳机与耳朵的佩戴效果示意图，佩戴蓝牙耳机后，耳机天线0103位于耳朵耳屏间切迹位置，耳机微微高于耳朵耳屏间切迹，能有效的提高扩大天线的信号发射与接收范围。
蓝牙耳机的pcba板0102上搭载麦克风0109，在通话状态下，导入用户声音通过语音解析模块，实现通话功能；在音乐播放状态下，麦克风0109通过pcba板上的降噪模块0111实现降噪功能，提高音质；在开机但无通话、无播放音乐的状态下，麦克风0109接收外界声音，通过pcba板上的音频放大器处理0112，由耳机的喇叭将外界声音传输到用户耳朵。实现带上耳机既能通话，又能听音乐，还能无需摘除耳机就能清晰听取环境声音。
蓝牙耳机的主机pcba板0102置入按钮电源操控按键0110、音量加/上一曲操作按键0113；副机pcba板0202置入按钮电源操控按键0210、音量减/下一曲操作按键0213；按下主机电源操控按键0110，可以操控主机和副机的开关机状态，短按一下音量加/上一曲操作按键0113，耳机音量则提高一个层级，在播放音乐的状态下，双击音量加/上一曲操作按键0113，则播放上一首歌曲；按下副机电源操控按键0210，可以操控副机的开关机状态，短按一下音量减/下一曲操作按键0213，耳机音量则降低一个层级，在播放音乐的状态下，双击音量减/下一曲操作按键0113，则播放下一首歌曲。
蓝牙耳机的pcba板0102/0202与电池0105/0205之间设计了一个特殊塑胶结构支架0104/0204，将pcba板0102/0202与电池0105/0205有效隔离，进一步降低电池0105/0205对于天线0103/0203的信号传输干扰，增强信号传输的稳定性。
蓝牙耳机内置触点充电系统0106/0206，该充电系统有独立pcba板、充电撞针0114/0214，充电撞针通过前腔外壳0108/0208突出进行接触充电电源，进一步通过触点充电系统的pcba板进行电压电流控制，进一步为电池0105/0205充电；本发明工作时，电池0105/0205通过触点充电系统的pcba板释放电源，进一步通过L型倒钩触点0115/0215为主pcba板0102/0202提供电源。
后盖0101/0201与耳机前腔0108/0208的结合部在后盖0101/0201或耳机前腔0108/0208上设有凹槽0116/0216,在后盖0101/0201与耳机前腔0108/0208装配上后,可在凹槽0116/0216上增加防水胶，进一步提高防水效果。
以上所揭示的仅为本发明一种实施例而已，当然不能以此来限定本发明之权利范围，本领域普通技术人员可以理解实现上述实施例的全部或部分流程，并依本发明权利要求所作的等同变化，仍属于发明所涵盖的范围。

Claims (9)

  1. 一种蓝牙耳机，包括耳机前腔、后盖和pcba板，其特征在于所述耳机前腔的外轮廓贴合耳朵的一面上设有与耳朵的耳屏间切迹和耳屏相吻合的弧面，耳机前腔上设有一个凸部，所述pcba板在耳机前腔内向凸部沿展与凸部相一致，所述pcba板在凸部位置设有板载天线、陶瓷天线或焊接有天线。
  2. 根据权利要求1所述的蓝牙耳机，其特征在于所述凸部设置在与耳朵的耳屏间切迹一侧，且凸部内的天线或微高于耳朵的耳屏间切迹。
  3. 根据权利要求2所述的蓝牙耳机，其特征在于包括左耳机和右耳机，所述左耳机和右耳机一个为主机，另一个为副机。
  4. 根据权利要求3所述的蓝牙耳机，其特征在于所述pcba板上设有降噪模块和音频放大模块，所述音频放大模块可配置切换放大环境声音和音频输出信号。
  5. 根据权利要求4所述的蓝牙耳机，其特征在于还设有电池，所述电池与pcba板之间设有塑胶材料制成的支架,支架将电池与pcba板分隔在在支架两侧，。
  6. 根据权利要求5所述的蓝牙耳机，其特征在于所述主机和副机上都设有两个操控按钮。
  7. 根据权利要求6所述的蓝牙耳机，其特征在于所述主机和副机上都设有包括麦克风。
  8. 根据权利要求1至7任意一项所述的蓝牙耳机，其特征在于所述主机和副机上还设有触点充电系统，所述触点充电系统上设有L型倒钩触点，所述触点充电系统上设有充电撞针。
  9. 根据权利要求8所述的蓝牙耳机，其特征在于后盖与耳机前腔的结合部在后盖或耳机前腔上设有凹槽,在后盖与耳机前腔装配上后,可在凹槽上增加防水胶。
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