WO2020087439A1 - 一种单指向咪的腔体结构 - Google Patents

一种单指向咪的腔体结构 Download PDF

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Publication number
WO2020087439A1
WO2020087439A1 PCT/CN2018/113409 CN2018113409W WO2020087439A1 WO 2020087439 A1 WO2020087439 A1 WO 2020087439A1 CN 2018113409 W CN2018113409 W CN 2018113409W WO 2020087439 A1 WO2020087439 A1 WO 2020087439A1
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WO
WIPO (PCT)
Prior art keywords
microphone
shell
unidirectional
cavity
rubber tube
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PCT/CN2018/113409
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English (en)
French (fr)
Inventor
袁智杰
贾学军
李亦照
曾源
Original Assignee
声电电子科技(惠州)有限公司
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Publication of WO2020087439A1 publication Critical patent/WO2020087439A1/zh

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Classifications

    • 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 utility model specifically relates to a cavity structure of a unidirectional microphone, which belongs to the technical field of earphones with unidirectional microphones.
  • the earphones of unidirectional microphones are used, and the front and rear chambers are sealed with hard rubber parts in production. It is not suitable to achieve equal balance between the front and rear chambers, which affects the production consistency of the microphone function curve.
  • the technical problem to be solved by the utility model overcomes the existing defects, and provides a cavity structure of a unidirectional microphone.
  • the unidirectional capacitance microphone is added on the isovolume soft rubber tube and the soft rubber tube formed by the cavity through the mold.
  • glue is used between the upper and lower soft hoses to seal the upper and lower soft hoses to achieve the same volume of the front and rear chambers of the microphone, which can achieve the consistency of the unidirectional microphone function curve. Effectively solve the problems in the background technology.
  • the utility model provides a cavity structure of a unidirectional microphone, which includes a microphone rod, a microphone upper shell, a soft rubber tube, a software tube and a microphone lower shell, one end of the microphone rod extends out of the microphone line, and the microphone line passes through
  • the wire hole on the soft rubber tube is sealed with glue and connected to the back side of the unidirectional microphone.
  • the back side of the unidirectional microphone is provided with a back cavity of the microphone.
  • the microphone is surrounded and formed.
  • the soft hose and the upper shell of the microphone have an interference fit at the intake holes of the upper shell of the two microphones.
  • the rear cavity of the microphone is connected to the intake holes of the upper shell of the microphone.
  • a front cavity of the microphone is provided on one side.
  • the front cavity of the microphone is surrounded by a soft rubber tube and a unidirectional microphone.
  • the lower soft tube and the lower shell of the microphone have an interference fit at the intake holes of the lower shell of the two microphones.
  • the front cavity of the microphone is connected with the air inlet of the lower shell of the microphone.
  • the upper and lower soft hoses are sandwiched between the upper and lower shells of the microphone.
  • the upper and lower soft hoses are connected by viscose.
  • a microphone rod is arranged between the lower shells.
  • the air intake hole of the upper shell of the microphone is sealed with an interference fit on the soft hose to ventilate with the outside, and a sound is introduced into the rear cavity of the microphone.
  • the flexible hose is under interference fit and sealed, it is ventilated with the outside world, and the sound is introduced into the front cavity of the microphone
  • the lower microphone case and the upper microphone case are welded by ultrasonic welding.
  • the lower soft rubber tube, the unidirectional microphone and the soft rubber tube are fixed between the lower microphone shell and the upper microphone shell.
  • the beneficial effect achieved by the utility model is that: a uniform volume soft rubber tube formed by a cavity and a soft rubber tube is formed through a cavity, a unidirectional capacitive microphone is added between the soft rubber tube and the soft rubber tube, and the soft rubber tube is glued
  • the upper and lower flexible hoses are bonded and sealed to achieve the same volume of the front and rear cavities of the microphone, and thus the consistency of the function curve of the unidirectional microphone can be achieved.
  • FIG. 1 is a schematic diagram of the overall structure of the cavity structure of a unidirectional microphone according to an embodiment of the present invention
  • FIG. 2 is an exploded view of the cavity structure of a unidirectional microphone according to an embodiment of the present invention
  • FIG. 3 is a perspective view of a cavity structure of a unidirectional microphone according to an embodiment of the present invention.
  • Embodiment Please refer to FIGS. 1-3.
  • the utility model relates to a unidirectional microphone cavity structure, including a microphone rod 1, a microphone upper shell 2, a soft rubber tube upper 12, a soft rubber tube lower 7 and a microphone lower shell 13, its characteristics
  • the end of the microphone rod 1 extends out of the microphone wire 11, and the microphone wire 11 is connected to the back side of the unidirectional microphone 9 after being sealed with glue through the wire hole of the soft rubber tube 12 and sealed.
  • the back side of the unidirectional microphone is provided with a back cavity 4 of the microphone.
  • the back cavity 4 of the microphone is surrounded by a soft rubber tube 12 and a unidirectional microphone 9.
  • the soft tube 12 and the upper shell 2 of the microphone The intake hole 5 of the upper case of the microphone is an interference fit, and the rear cavity 4 of the microphone communicates with the intake hole 5 of the upper case of the microphone.
  • the front side of the unidirectional microphone 9 is provided with a front cavity 6 of the microphone.
  • the front cavity 6 of the microphone is surrounded by a soft hose 7 and a unidirectional microphone 9.
  • the lower 7 of the soft hose and the lower housing 13 are in both.
  • the inlet hole 8 of the lower case of the microphone is an interference fit, and the front cavity 6 of the microphone communicates with the inlet hole 8 of the lower case of the microphone.
  • the upper 12 of the soft hose and the lower 7 of the soft hose are sandwiched between the upper housing 2 and the lower housing 13 of the microphone.
  • the upper 12 of the soft hose and the lower 7 of the soft hose are connected by viscose, and the upper housing 2 and the lower housing 13 are provided.
  • the air inlet 5 of the upper housing of the microphone is sealed with an interference fit with the upper 12 of the soft rubber tube to ventilate with the outside, and a sound is introduced into the rear cavity of the microphone. After the tight fit is sealed, it is ventilated with the outside world, and the sound is introduced into the front cavity of the microphone.
  • the lower microphone shell 13 and the upper microphone shell 2 are welded by ultrasonic welding.
  • the lower soft hose 7, the unidirectional microphone 9 and the upper soft hose 12 are fixed between the lower microphone housing 13 and the upper microphone housing 2.
  • the utility model is a cavity structure of a unidirectional microphone.
  • the front and rear cavities of the unidirectional microphone are designed on the soft hose with the same internal volume and under the soft hose.
  • the two joints are connected by glue sealing to achieve the same volume of the front and rear chambers of the unidirectional microphone, so that the function consistency of the microphone is better, and the back cavity of the unidirectional microphone
  • the air intake hole and the air intake hole on the microphone shell are sealed with an interference fit to communicate with the outside world to introduce sound; the unidirectional air intake hole of the front cavity of the microphone and the air inlet hole under the microphone shell are sealed with an interference fit to communicate with the outside world and introduced Sound, so that the front and rear cavity of the unidirectional microphone need the structural design requirements of the air inlet.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)

Abstract

一种单指向咪的腔体结构，包括咪杆（1）、咪上壳（2）、软胶管上（12）、软胶管下（7）和咪下壳（13），所述咪杆（1）的一端伸出咪线（11），所述咪线（11）通过软胶管上（12）的过线孔且用胶水密封后和单指向咪（9）的背面连接，所述单指向咪（9）的背面一侧设有咪后腔（4），所述咪后腔（4）由软胶管上（12）和单指向咪（9）包围形成，所述咪后腔（4）的下部设有咪上壳进气孔（5）。通过腔体采用模具成型的等容软胶管上（12）和软胶管下（7），将单指向电容咪头加在软胶管上（12）和软胶管下（7）之间，并用胶水将软胶管上（12）和软胶管下（7）粘接密封的方式来实现咪（9）的前后腔体等容积，进而可实现单指向咪（9）功能曲线的一致性较好。

Description

一种单指向咪的腔体结构
技术领域
本实用新型具体涉及一种单指向咪的腔体结构，属于带单指向咪的耳机技术领域。
背景技术
目前采用单指向咪的耳机，前后腔体在生产中采用硬胶件密封，不宜做到前后腔体相等平衡，从而影响咪功能曲线的生产一致性。
实用新型内容
本实用新型要解决的技术问题克服现有的缺陷，提供一种单指向咪的腔体结构，通过腔体采用模具成型的等容软胶管上和软胶管下，将单指向电容咪头加在软胶管上和软胶管下之间，并用胶水将软胶管上和软胶管下粘接密封的方式来实现咪的前后腔体等容积，进而可实现单指向咪功能曲线的一致性较好，可以有效解决背景技术中的问题。
为了解决上述技术问题，本实用新型提供了如下的技术方案：
本实用新型提供一种单指向咪的腔体结构，包括咪杆、咪上壳、软胶管上、软件管下和咪下壳，所述咪杆的一端伸出咪线，所述咪线通过软胶管上的过线孔且用胶水密封后和与单指向咪的背面一侧连接，所述单指向咪的背面一侧设有咪后腔，所述咪后腔由软胶管上和单指向咪包围形成，所述软胶管上和咪上壳在二者的咪上壳进气孔处为过盈配合，所述咪后腔与咪上壳进气孔连通，所述单指向咪的正面一侧设有咪前腔，所述咪前腔由软胶管下和单指向咪包围形成，所述软胶管下和咪下壳在二者的咪下壳进气孔处为过盈配合，所述咪前腔与咪下壳进气孔连通，软胶管上和软胶管下被夹在咪上壳和咪下壳之间，软胶管上和软胶管下为粘胶连接,咪上壳与咪下壳之间设有咪杆。
作为本实用新型的一种优选技术方案，所述咪上壳进气孔通过与软胶管上过盈配合密封后与外界通气，导入声音进入咪后腔，所述咪下壳进气孔通过与软胶管下过盈配合密封后与外界通气，导入声音进入咪前腔
作为本实用新型的一种优选技术方案，所述咪下壳与咪上壳之间通过超声波焊接熔接。
作为本实用新型的一种优选技术方案，所述软胶管下、单指向咪和软胶管上固定在所述咪下壳与咪上壳之间。
本实用新型所达到的有益效果是：通过腔体采用模具成型的等容软胶管上和软胶管下，将单指向电容咪头加在软胶管上和软胶管下之间，并用胶水将软胶管上和软胶管下粘接密封的方式来实现咪的前后腔体等容积，进而可实现单指向咪功能曲线的一致性较好。
附图说明
附图用来提供对本实用新型的进一步理解，并且构成说明书的一部分，与本实用新型的实施例一起用于解释本实用新型，并不构成对本实用新型的限制。
在附图中：
图1是本实用新型实施例所述的一种单指向咪的腔体结构整体结构示意图；
图2是本实用新型实施例所述的一种单指向咪的腔体结构爆炸图；
图3是本实用新型实施例所述的一种单指向咪的腔体结构立体图；
图中标号：1、咪杆；2、咪上壳；3、第一密封胶；4、咪后腔；5、咪上壳进气孔；6、咪前腔；7、软胶管下；8、咪下壳进气孔；9、单指向咪；10、第二密封胶；11、咪线；12、软胶管上；13、咪下壳。
具体实施方式
以下结合附图对本实用新型的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本实用新型，并不用于限定本实用新型。
实施例：请参阅图1-3，本实用新型一种单指向咪的腔体结构，包括咪杆1、咪上壳2、软胶管上12、软胶管下7和咪下壳13,其特征在于：所述咪杆1的一端伸出咪线11，所述咪线11通过软胶管上12的过线孔且用胶水密封后和与单指向咪9的背面一侧连接。所述单指向咪的背面一侧设有咪后腔4，所述咪后腔4由软胶管上12和单指向咪9包围形成，所述软胶管上12和咪上壳2在二者的咪上壳进气孔5处为过盈配合，所述咪后腔4与咪上壳进气孔5连通。所述单指向咪9的正面一侧设有咪前腔6，所述咪前腔6由软胶管下7和单指向咪9包围形成，所述软胶管下7和咪下壳13在二者的咪下壳进气孔8处为过盈配合，所述咪前腔6与咪下壳进气孔8连通。软胶管上12和软胶管下7被夹在咪上壳2和咪下壳13之间，软胶管上12和软胶管下7为粘胶连接,咪上壳2与咪下壳13之间设有咪杆1。
进一步的，所述咪上壳进气孔5通过与软胶管上12过盈配合密封后与外界通气，导入声音进入咪后腔，所述咪下壳进气孔8通过与软胶管下7过盈配合密封后与外界通气，导入声音进入咪前腔。
进一步的，所述咪下壳13与咪上壳2之间通过超声波焊接熔接。
进一步的，所述软胶管下7、单指向咪9和软胶管上12固定在所述咪下壳13与咪上壳2之间。
需要说明的是，本实用新型为一种单指向咪的腔体结构，使用时，所有零件组装后，单指向咪的前后腔体由设计上内体积相等的软胶管上和软胶管下将单指向咪夹在中间过盈装配后，再在二者结合处通过打胶密封来连接，从而实现单指向咪的前后腔体体积相等，做到咪功能一致性较好，单指向咪的后腔进气孔与咪壳上的进气孔通过盈配合密封后与外界通气，导入声音；单指向咪的前腔进气孔与咪壳下的进气孔通过盈配合密封后与外界通气，导入声音，从而实现单指向咪的前后腔体都需要进气孔的结构设计要求。
最后应说明的是：以上所述仅为本实用新型的优选实施例而已，并不用于限制本实用新型，尽管参照前述实施例对本实用新型进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。

Claims (4)

  1. 一种单指向咪的腔体结构，包括咪杆（1）、咪上壳（2）、软胶管上（12）、软胶管下（7）和咪下壳（13）,其特征在于：所述咪杆（1）的一端伸出咪线（11），所述咪线（11）通过软胶管上（12）的过线孔且用胶水密封后和与单指向咪（9）的背面一侧连接，所述单指向咪（9）的背面一侧设有咪后腔（4），所述咪后腔（4）由软胶管上（12）和单指向咪（9）包围形成，所述软胶管上（12）和咪上壳（2）在二者的咪上壳进气孔（5）处为过盈配合，所述咪后腔（4）与咪上壳进气孔（5）连通，所述单指向咪（9）的正面一侧设有咪前腔（6），所述咪前腔（6）由软胶管下（7）和单指向咪（9）包围形成，所述软胶管下（7）和咪下壳（13）在二者的咪下壳进气孔（8）处为过盈配合，所述咪前腔（6）与咪下壳进气孔（8）连通，软胶管上（12）和软胶管下（7）被夹在咪上壳（2）和咪下壳（13）之间，软胶管上（12）和软胶管下（7）为粘胶连接,咪上壳（2）与咪下壳（13）之间设有咪杆（1）。
  2. 如权利要求1所述的一种单指向咪的腔体结构，其特征在于：所述咪上壳进气孔（5）通过与软胶管上（12）过盈配合密封后与外界通气，导入声音进入咪后腔，所述咪下壳进气孔（8）通过与软胶管下（7）过盈配合密封后与外界通气，导入声音进入咪前腔。
  3. 如权利要求1所述的一种单指向咪的腔体结构，其特征在于：所述咪下壳（13）与咪上壳（2）之间通过超声波焊接熔接。
  4. 如权利要求1所述的一种单指向咪的腔体结构，其特征在于：所述软胶管下（7）、单指向咪（9）和软胶管上（12）固定在所述咪下壳（13）与咪上壳（2）之间。
PCT/CN2018/113409 2018-10-29 2018-11-01 一种单指向咪的腔体结构 WO2020087439A1 (zh)

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CN101296530A (zh) * 2007-04-29 2008-10-29 歌尔声学股份有限公司 硅电容传声器
JP5450044B2 (ja) * 2009-12-25 2014-03-26 株式会社オーディオテクニカ 単一指向性コンデンサマイクロホンユニットおよび接話型コンデンサマイクロホン
CN204948319U (zh) * 2015-10-09 2016-01-06 江西联创宏声万安电子有限公司 一种带导声通道的咪壳
US20160037254A1 (en) * 2014-07-30 2016-02-04 Kabushiki Kaisha Audio-Technica Unidirectional Close-Talking Microphone and Microphone Cap
CN206302526U (zh) * 2016-11-23 2017-07-04 歌尔科技有限公司 一种麦克风模组
CN206506657U (zh) * 2017-01-22 2017-09-19 贵州翔通科技实业有限公司 咪杆和头戴耳机
CN207266290U (zh) * 2017-09-20 2018-04-20 恩平市天朗电声器材有限公司 一种窄角指向性的电容传声器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101296530A (zh) * 2007-04-29 2008-10-29 歌尔声学股份有限公司 硅电容传声器
JP5450044B2 (ja) * 2009-12-25 2014-03-26 株式会社オーディオテクニカ 単一指向性コンデンサマイクロホンユニットおよび接話型コンデンサマイクロホン
US20160037254A1 (en) * 2014-07-30 2016-02-04 Kabushiki Kaisha Audio-Technica Unidirectional Close-Talking Microphone and Microphone Cap
CN204948319U (zh) * 2015-10-09 2016-01-06 江西联创宏声万安电子有限公司 一种带导声通道的咪壳
CN206302526U (zh) * 2016-11-23 2017-07-04 歌尔科技有限公司 一种麦克风模组
CN206506657U (zh) * 2017-01-22 2017-09-19 贵州翔通科技实业有限公司 咪杆和头戴耳机
CN207266290U (zh) * 2017-09-20 2018-04-20 恩平市天朗电声器材有限公司 一种窄角指向性的电容传声器

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