WO2019042461A1 - 一种耳机前腔咪头结构及耳机 - Google Patents

一种耳机前腔咪头结构及耳机 Download PDF

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Publication number
WO2019042461A1
WO2019042461A1 PCT/CN2018/103947 CN2018103947W WO2019042461A1 WO 2019042461 A1 WO2019042461 A1 WO 2019042461A1 CN 2018103947 W CN2018103947 W CN 2018103947W WO 2019042461 A1 WO2019042461 A1 WO 2019042461A1
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Prior art keywords
microphone head
microphone
earphone
front cavity
sound
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PCT/CN2018/103947
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English (en)
French (fr)
Inventor
梅庆开
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深圳市魅动智能股份有限公司
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Publication of WO2019042461A1 publication Critical patent/WO2019042461A1/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 invention belongs to the field of earphones, and more particularly to an earphone front cavity microphone head structure and an earphone using the earphone front cavity microphone head structure.
  • Noise-reducing headphones have become a trend in the earphone industry, and the industries and fields used are increasing. The noise effect directly affects the sales of noise-cancelling headphones.
  • the object of the present invention is to provide an earphone front cavity microphone head structure to solve the problem that the active noise reduction effect of the earphone existing in the prior art is not good.
  • the technical solution adopted by the present invention is to provide an earphone front cavity microphone head structure, comprising an ear shell having a front cavity of the earphone, wherein the earphone front cavity is provided with a speaker output sound for transmitting in the earphone
  • the speaker face is provided with a microphone above the speaker face, and the microphone has a sound receiving surface for receiving sound, and the sound receiving surface is disposed opposite to the speaker face.
  • a fixing seat for placing the microphone is disposed in the front cavity of the earphone, and the microphone is placed in the fixing seat.
  • the microphone head is provided with a microphone head sleeve, and the microphone head and the microphone head cover constitute a microphone head member and are placed in the fixing seat.
  • a gap is provided between the sound receiving surface of the microphone head and the sound emitting surface.
  • the earphone front cavity microphone structure further includes a placement area for placing the microphone head, the placement area being centered on the center of the sounding surface and having a diameter of 17 mm.
  • a fixing seat for placing the microphone is disposed in the front cavity of the earphone, and the microphone is placed in the fixing seat.
  • the microphone head is provided with a microphone head sleeve, and the microphone head and the microphone head cover constitute a microphone head member and are placed in the fixing seat.
  • a gap is provided between the sound receiving surface of the microphone head and the sound emitting surface.
  • the microphone is a noise reduction microphone.
  • the earphone front cavity microphone structure further includes a placement area for placing the microphone head, the placement area being centered on the center of the sounding surface and having a diameter of 17 mm.
  • a fixing seat for placing the microphone is disposed in the front cavity of the earphone, and the microphone is placed in the fixing seat.
  • the microphone head is provided with a microphone head sleeve, and the microphone head and the microphone head cover constitute a microphone head member and are placed in the fixing seat.
  • a gap is provided between the sound receiving surface of the microphone head and the sound emitting surface.
  • the earphone front cavity microphone structure further includes a placement area for placing the microphone head, the placement area is centered on the center of the sounding surface and has a diameter of 17 mm; and the earphone front cavity is provided with a fixing seat for placing the microphone head, the microphone head is placed in the fixing seat; the microphone head is provided with a microphone head sleeve, and the microphone head and the microphone head cover constitute a microphone head piece and placed in the fixing a seat; a gap is provided between the sound receiving surface of the microphone head and the sound emitting surface.
  • Another object of the present invention is to provide an earphone that includes a pair of earphone front cavity microphone structures as described above.
  • the utility model provides an earphone front cavity microphone head structure and an earphone, which have the beneficial effects that: compared with the prior art, the invention is assembled by placing the microphone head on the microphone sleeve and assembling into the front cavity design of the ear shell.
  • the sound receiving surface of the microphone head is opposite to the sound emitting surface, so that the sound receiving surface of the microphone head faces the diaphragm of the speaker, and the phase of the microphone head and the phase of the speaker cancel each other better, which can achieve a good drop. Noise effect.
  • FIG. 1 is a schematic structural diagram of a specific implementation manner according to an embodiment of the present invention.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or connected integrally; may be mechanical connection or electrical connection; may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements.
  • installation shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise.
  • , or connected integrally may be mechanical connection or electrical connection; may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the first feature "on” or “under” the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them.
  • the first feature "above”, “above” and “above” the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.
  • the earphone front cavity microphone head structure comprises an ear shell 1 having a front cavity of an earphone, and a sound emitting surface 5 for transmitting sound from a speaker in the earphone is provided in the front cavity of the earphone, and the sound emitting surface is provided.
  • the microphone head 4 is provided above the 5, and the microphone head 4 has a sound receiving surface for receiving sound, and the sound receiving surface is opposite to the sound emitting surface, which can ensure the sound collecting efficiency of the microphone head 4;
  • the fixing base 2 of the microphone head 4 is placed, and the microphone head 4 is placed in the fixing base 2;
  • the microphone head 4 is provided with a microphone head cover 3, and the microphone head 4 and the microphone head cover 3 constitute a microphone head piece and are placed in the fixing base 2
  • the microphone head cover 3 functions to protect the microphone head 4.
  • the microphone head of the present invention is put on the microphone sleeve 3, it is assembled into the fixing base 2 in the front cavity design of the ear shell, and the sound receiving surface of the microphone head 4 is opposite to the sounding surface 5 so that the microphone head 4 is The sound receiving surface is facing the diaphragm of the speaker. In this position, the phase of the microphone head 4 and the phase of the speaker cancel each other better, and a good noise reduction effect can be achieved.
  • FIG. 1 a specific implementation manner of the structure of the earphone front cavity of the present invention.
  • the microphone head 4 is a noise reduction microphone
  • the cavity on the ear shell 1 is a front cavity of the earphone.
  • the sound receiving surface of the microphone head 4 and the speaker surface 5 are not completely contacted, that is, the microphone head 4 There is a certain gap between the sound receiving surface and the rising sound surface 5, so that the sound receiving precision and the sound receiving range of the microphone head 4 can be better ensured.
  • the microphone head 4 has a placement area, that is, a placement area for placing the microphone head 4,
  • the placement area is centered on the center of the sound surface and has a diameter of 17 mm. Within this range, the maximum performance of the microphone head 4 can be ensured, and the optimal use effect can be obtained.
  • the present invention is applied to an earphone comprising a pair of earphone front cavities, the earphone front cavity enclosing the above-described earphone front cavity microphone head structure.
  • the present invention also provides an earphone comprising a pair of earphone front cavity microphone structures as described above.
  • the noise reduction microphone of the present invention is put on the microphone sleeve 3, it is assembled to the position where the noise reduction microphone of the ear shell front cavity is placed, and the front surface of the noise reduction microphone (the sound receiving surface) is the diaphragm that sounds to the speaker (Yang The sound surface 5), that is, the sound receiving surface of the microphone head 4 for receiving the sound is opposite to the sound surface 5, and the phase of the noise reduction microphone and the phase of the speaker cancel each other better, which can achieve a good noise reduction effect. .

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

Abstract

本方案提供了一种耳机前腔咪头结构及耳机；该一种耳机前腔咪头结构包括具有耳机前腔的耳壳（1），所述耳机前腔内设有用于供耳机内的扬声器输出声音传出的扬声面（5），所述扬声面（5）的上方设有咪头（4），所述咪头（4）具有用于接收声音的收声面，所述收声面与所述扬声面（5）相对设置。本方案通过将咪头（4）装配到耳壳前腔设计中放置的位置，将咪头（4）的收声面与扬声面（5）相对设置，以使咪头（4）的收声面正对扬声器的膜片，此位置咪头（4）的相位与扬声器相位相互抵消效果较佳，可以做到很好的降噪效果。

Description

一种耳机前腔咪头结构及耳机 技术领域
本发明属于耳机领域，更具体地说，是涉及一种耳机前腔咪头结构及使用该耳机前腔咪头结构的耳机。
 背景技术
目前，随着社会的发展，人们生活水平逐渐提高，人们对耳机的要求也是越来越高，降噪耳机已成为耳机行业的一种趋势，运用的行业、及领域都越来越多，降噪效果的好坏直接影响到降噪耳机的销售量。
 技术问题
本发明的目的在于提供一种耳机前腔咪头结构，以解决现有技术中存在的耳机主动降噪效果不好的问题。
 技术解决方案
为实现上述目的，本发明采用的技术方案是：提供一种耳机前腔咪头结构，包括具有耳机前腔的耳壳，所述耳机前腔内设有用于供耳机内的扬声器输出声音传出的扬声面，所述扬声面的上方设有咪头，所述咪头具有用于接收声音的收声面，所述收声面与所述扬声面相对设置。
进一步地，所述耳机前腔内设有用于放置所述咪头的固定座，所述咪头置于所述固定座内。
进一步地，所述咪头上设有咪头套，所述咪头与所述咪头套构成咪头件置于所述固定座内。
进一步地，所述咪头的收声面与所述扬声面之间设有间隙。
进一步地，所述耳机前腔咪头结构还包括用于放置所述咪头的放置区，所述放置区以所述扬声面中心为圆心且直径为17mm。
进一步地，所述耳机前腔内设有用于放置所述咪头的固定座，所述咪头置于所述固定座内。
进一步地，所述咪头上设有咪头套，所述咪头与所述咪头套构成咪头件置于所述固定座内。
进一步地，所述咪头的收声面与所述扬声面之间设有间隙。
进一步地，所述咪头为降噪咪。
进一步地，所述耳机前腔咪头结构还包括用于放置所述咪头的放置区，所述放置区以所述扬声面中心为圆心且直径为17mm。
进一步地，所述耳机前腔内设有用于放置所述咪头的固定座，所述咪头置于所述固定座内。
进一步地，所述咪头上设有咪头套，所述咪头与所述咪头套构成咪头件置于所述固定座内。
进一步地，所述咪头的收声面与所述扬声面之间设有间隙。
进一步地，所述耳机前腔咪头结构还包括用于放置所述咪头的放置区，所述放置区以所述扬声面中心为圆心且直径为17mm；所述耳机前腔内设有用于放置所述咪头的固定座，所述咪头置于所述固定座内；所述咪头上设有咪头套，所述咪头与所述咪头套构成咪头件置于所述固定座内；所述咪头的收声面与所述扬声面之间设有间隙。
本发明的另一目的在于提供一种耳机，所述耳机包括一对如上所述的耳机前腔咪头结构。
 有益效果
本发明提供的一种耳机前腔咪头结构及耳机的有益效果在于：与现有技术相比，本发明通过将咪头套上咪套后，装配到耳壳前腔设计中的放置位置，将咪头的收声面与扬声面相对设置，以使咪头的收声面正对扬声器的膜片，此位置咪头的相位与扬声器相位相互抵消效果较佳，可以做到很好的降噪效果。
 附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的一种具体实施方式的结构示意图。
其中，图中各附图主要标记：
1-耳壳；2-固定座；3-咪套；4-咪头；5-扬声面。
 本发明的实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
请一并参阅图1，现对本发明提供的一种耳机前腔咪头结构进行说明。所述一种耳机前腔咪头结构，包括具有耳机前腔的耳壳1，所述耳机前腔内设有用于供耳机内的扬声器输出声音传出的扬声面5，所述扬声面5的上方设有咪头4，所述咪头4具有用于接收声音的收声面，收声面与扬声面相对设置，可以保证咪头4的收音效率；耳机前腔内设有用于放置咪头4的固定座2，所述咪头4置于固定座2内；咪头4上设有咪头套3，所述咪头4与咪头套3构成咪头件置于固定座2内，咪头套3起到保护咪头4的作用。
通过将本发明中的咪头套上咪套3后，装配到耳壳前腔设计中的固定座2中，将咪头4的收声面与扬声面5相对设置，以使咪头4的收声面正对扬声器的膜片，此位置咪头4的相位与扬声器相位相互抵消效果较佳，可以做到很好的降噪效果。
进一步地，请一并参阅图1，作为本发明提供的一种耳机前腔咪头结构的一种具体实施方式，咪头4为降噪咪，耳壳1上的腔体为耳机前腔。
进一步地，请参阅图1，作为本发明提供的一种耳机前腔咪头结构的一种具体实施方式，咪头4的收声面与扬声面5之间不完全接触，即咪头4的收声面与扬声面5之间存在一定的间隙，这样可以更好的保证咪头4的收音精度和收音范围。
进一步地，请参阅图1，作为本发明提供的一种耳机前腔咪头结构的一种具体实施方式，咪头4有一个放置的区域，即用于放置咪头4的放置区，所述放置区以所述扬声面中心为圆心且直径为17mm，在这个范围之内可以保证咪头4最大性能的发挥，得到最优的使用效果。
将本发明应用到一种耳机上，所述耳机包括一对耳机前腔，所述耳机前腔包上述的耳机前腔咪头结构。
即本发明还提供一种耳机，所述耳机包括一对如上所述的耳机前腔咪头结构。
通过将本发明中的降噪咪套上咪套3后，装配到耳壳前腔设计的降噪咪放置的位置，降噪咪的正面（收声面）正对扬声器发声的膜片（扬声面5），即咪头4用于接收声音的收声面与扬声面5相对设置，此位置降噪咪的相位与扬声器相位相互抵消效果较佳，可以做到很好的降噪效果。
在本说明书的描述中，参考术语“一个实施方式”、“一些实施方式”、“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上内容是结合具体的实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换。

Claims (15)

  1. 一种耳机前腔咪头结构，包括具有耳机前腔的耳壳，其特征在于：所述耳机前腔内设有用于供耳机内的扬声器输出声音传出的扬声面，所述扬声面的上方设有咪头，所述咪头具有用于接收声音的收声面，所述收声面与所述扬声面相对设置。
  2. 如权利要求1所述的一种耳机前腔咪头结构，其特征在于：所述耳机前腔内设有用于放置所述咪头的固定座，所述咪头置于所述固定座内。
  3. 如权利要求2所述的一种耳机前腔咪头结构，其特征在于：所述咪头上设有咪头套，所述咪头与所述咪头套构成咪头件置于所述固定座内。
  4. 如权利要求3所述的一种耳机前腔咪头结构，其特征在于：所述咪头的收声面与所述扬声面之间设有间隙。
  5. 如权利要求1所述的一种耳机前腔咪头结构，其特征在于：所述耳机前腔咪头结构还包括用于放置所述咪头的放置区，所述放置区以所述扬声面中心为圆心且直径为17mm。
  6. 如权利要求5所述的一种耳机前腔咪头结构，其特征在于：所述耳机前腔内设有用于放置所述咪头的固定座，所述咪头置于所述固定座内。
  7. 如权利要求6所述的一种耳机前腔咪头结构，其特征在于：所述咪头上设有咪头套，所述咪头与所述咪头套构成咪头件置于所述固定座内。
  8. 如权利要求7所述的一种耳机前腔咪头结构，其特征在于：所述咪头的收声面与所述扬声面之间设有间隙。
  9. 如权利要求1所述的一种耳机前腔咪头结构，其特征在于：所述咪头为降噪咪。
  10. 如权利要求9所述的一种耳机前腔咪头结构，其特征在于：所述耳机前腔咪头结构还包括用于放置所述咪头的放置区，所述放置区以所述扬声面中心为圆心且直径为17mm。
  11. 如权利要求9所述的一种耳机前腔咪头结构，其特征在于：所述耳机前腔内设有用于放置所述咪头的固定座，所述咪头置于所述固定座内。
  12. 如权利要求11所述的一种耳机前腔咪头结构，其特征在于：所述咪头上设有咪头套，所述咪头与所述咪头套构成咪头件置于所述固定座内。
  13. 如权利要求12所述的一种耳机前腔咪头结构，其特征在于：所述咪头的收声面与所述扬声面之间设有间隙。
  14. 如权利要求9所述的一种耳机前腔咪头结构，其特征在于：所述耳机前腔咪头结构还包括用于放置所述咪头的放置区，所述放置区以所述扬声面中心为圆心且直径为17mm；所述耳机前腔内设有用于放置所述咪头的固定座，所述咪头置于所述固定座内；所述咪头上设有咪头套，所述咪头与所述咪头套构成咪头件置于所述固定座内；所述咪头的收声面与所述扬声面之间设有间隙。
  15. 一种耳机，其特征在于：所述耳机包括一对如权利要求1所述的耳机前腔咪头结构。
PCT/CN2018/103947 2017-09-04 2018-09-04 一种耳机前腔咪头结构及耳机 WO2019042461A1 (zh)

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