WO2015021851A1 - Haut-parleur d'écouteur - Google Patents

Haut-parleur d'écouteur Download PDF

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Publication number
WO2015021851A1
WO2015021851A1 PCT/CN2014/082865 CN2014082865W WO2015021851A1 WO 2015021851 A1 WO2015021851 A1 WO 2015021851A1 CN 2014082865 W CN2014082865 W CN 2014082865W WO 2015021851 A1 WO2015021851 A1 WO 2015021851A1
Authority
WO
WIPO (PCT)
Prior art keywords
cup
earphone
cavity
sound
cover
Prior art date
Application number
PCT/CN2014/082865
Other languages
English (en)
Chinese (zh)
Inventor
廖朝红
Original Assignee
Liao Chaohong
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 Liao Chaohong filed Critical Liao Chaohong
Publication of WO2015021851A1 publication Critical patent/WO2015021851A1/fr

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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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • 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
    • H04R1/1058—Manufacture or assembly
    • H04R1/1075—Mountings of transducers in earphones or headphones

Definitions

  • the invention belongs to the technical field of earphone speakers, and in particular relates to a earphone speaker.
  • the sound film and the front cover form a front cavity
  • the sound film and the U cup form a first-stage back cavity
  • the U cup and the inner cavity of the earphone case form a secondary back cavity.
  • the speaker is the sounding unit of the earphone
  • the inner cavity of the earphone casing affects the sound field of the speaker, which directly changes the sound effect felt by the ear.
  • the headphone tuning needs to roughly debug the speaker frequency response curve, and then repeatedly debug after installing the earphone to eliminate the uncertain effect of the inner cavity of the earphone shell.
  • the effect of the inner cavity on the sound field of the horn is fatal, so that the design of the entire earphone shape is rejected.
  • the invention provides a headphone horn according to the deficiencies of the prior art; the invention has the advantages of simple structure, environmental protection, good sound field effect, reduced ear fatigue and damage, and greatly improved the outer casing modeling space and production efficiency of the entire earphone horn body; Its practicality is strong.
  • an earphone speaker of the present invention mainly includes an earphone speaker body, and the earphone speaker body is provided with a front cover, a sound film, a U cup and a rear cavity cover; and the front cover and the sound film are formed before A cavity is formed between the sound film and the U cup, and a variable sound cavity is formed between the U cup and the back cavity cover. It should be noted that the shape and position of the rear chamber cover can be adjusted accordingly according to actual production needs.
  • the front cover and the sound film are disposed at the front end of the U cup, and the rear cavity cover is disposed at the rear end of the U cup; and the sound film is disposed between the front cover and the U cup.
  • a copper ring is provided at the junction between the front cover and the U cup.
  • a voice coil is disposed on the sound film in the first-stage back cavity.
  • the U cup in the primary back cavity is provided with magnetic steel.
  • the upper end of the magnetic steel is provided with a washer.
  • one side of the U cup is provided with an acoustic damping cloth.
  • a hole is formed in an edge of the U cup, and an acoustic damping cloth is attached to the hole.
  • a wiring board is disposed on an outer side of the rear chamber cover.
  • one side of the wiring board is provided with an acoustic damping cloth.
  • the invention replaces the secondary back cavity formed by the original U cup and the inner cavity of the earphone shell by changing the structure of the original in-ear earphone horn, that is, adding a rear cavity cover behind the horn to form a variable sound cavity capable of tuning.
  • the new variable sound cavity is relatively regular.
  • the existing experiments show that the sound emitted by the horn can be greatly reduced by the irregular cavity of the earphone shell to the horn sound field after being tuned by the primary cavity and the variable cavity. The effect is that the final frequency response curve of the earphone is more consistent with the speaker. This also allows the earphone casing to be designed to have a more personalized appearance with sufficient internal space.
  • the structure is simple and environmentally friendly, and the sound field effect is good, which can reduce the fatigue and damage of the ear, greatly improve the outer shape space and production efficiency of the entire earphone speaker body; and has strong practicability.
  • FIG. 1 is a schematic structural view of a prior earphone speaker
  • FIG. 2 is a schematic view showing the structure of the improved earphone speaker.
  • Fig. 1 9 is a copper ring, 8, 10 are acoustic damping cloth, 11 is a front cover, 12 is a sound film, 13 is a U cup, 14 is a voice coil, 15 is a magnetic steel, 16 is a Huawei, 17 is Terminal block, 18 is the front cavity, 19 is the first-stage back cavity; in Figure 2, 20 is the back cavity cover, 21 is the front cover, 22 is the sound film, 23 is the U cup, 24 is the voice coil, 25 is the magnetic steel, 26
  • 27 is the wiring board
  • 28 is the front cavity
  • 29 is the first-level back cavity
  • 30 is the variable sound cavity
  • 31, 33 is the acoustic damping cloth
  • 32 is the copper ring.
  • FIG. 1 is a schematic structural view of a conventional earphone speaker.
  • a copper ring 9 is provided in the earphone speaker body, a sound damping cloth 8, a sound damping cloth 10 front cover 11, and a sound film 12 are provided.
  • the sound damper cloth 8 is attached to the hole formed on the side of the U cup 13.
  • the sound film 12 and the front cover 11 form a front cavity 18, and the sound film 12 and the U cup 13 form a first-stage rear cavity 19, and the U-cup 13 and the earphone casing inner cavity form a secondary back cavity.
  • the speaker is the sounding unit of the earphone, and the inner cavity of the earphone casing affects the sound field of the speaker, which directly changes the sound effect felt by the ear.
  • the effect of the inner cavity on the sound field of the horn is fatal, so that the design of the entire earphone shape is rejected.
  • the earphone speaker of the embodiment of the present invention mainly includes a headphone speaker body, and the earphone speaker body is provided with a front cover 21, a sound film 22, a U cup 23 and a rear chamber cover 20; the front cover 21 and the sound film 22 are disposed at the front end of the U cup 23, and the rear chamber cover 20 is disposed at the rear end of the U cup 23; and the sound film 22 is disposed on the front cover 21 and U Cup 23 between.
  • a front cavity 28 is formed between the front cover 21 and the sound film 22, and a first-stage rear cavity 29 is formed between the sound film 22 and the U-cup 23, and a variable sound cavity 30 is formed between the U-cup 23 and the rear cavity cover 20.
  • the shape and position of the rear chamber cover 20 can be adjusted accordingly according to actual production needs.
  • a voice coil 24 is disposed on the sound film 22 in the primary back chamber 29; a magnetic steel 25 is disposed on the U cup 23 in the first stage 29, and a washer is disposed on the upper end of the magnetic steel 25. 26; and a wiring board 27 is provided on the outer side of the rear chamber cover 20; and an acoustic damping cloth 31 is provided on one side of the U cup 23 and the wiring board 27, and the joint between the front cover 21 and the U cup 23 is provided.
  • a copper ring 32 is provided, and the sound damper cloth 33 is attached to the hole formed on the side of the U cup 23.
  • the present invention forms a variable sound chamber 30 capable of tuning by changing the structure of the original in-ear earphone horn, that is, adding a rear cavity cover 20 behind the horn (ie, the U cup 23). Instead of the U-cup 13 of Fig. 1 and the secondary back cavity formed by the inner cavity of the earphone casing.
  • the new variable sound chamber 30 is relatively regular, and the existing experiments show that the sound emitted by the horn can be largely reduced by the irregular shape of the earphone shell after being tuned by the first-stage rear cavity 29 and the variable sound chamber 30.
  • the influence of the sound field of the horn makes the final frequency response curve of the earphone have higher consistency with the horn. This also allows the earphone casing to be designed to have a more personalized appearance with sufficient internal space.
  • the embodiment is simple in structure and environmentally friendly, and has good sound field effect, can reduce ear fatigue and damage, greatly improves the outer casing modeling space and production efficiency of the entire earphone speaker body; and has strong practicability.

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

Abstract

L'invention concerne un haut-parleur d'écouteur qui comprend un corps de haut-parleur d'écouteur. Le haut-parleur d'écouteur comprend un couvercle avant (21), une membrane acoustique (22), une coupe en forme de U (23) et un couvercle de cavité arrière (20) disposés en son sein. Une cavité avant (28) est formée entre le couvercle avant (21) et la membrane acoustique (22), une cavité arrière de première classe (29) est formée entre la membrane acoustique (22) et la coupe en forme de U (23), et une cavité acoustique variable (30) est formée entre la coupe en forme de U (23) et le couvercle de cavité arrière (20). La structure est simple et respectueuse de l'environnement, parvient à de bons effets sonores, peut réduire la fatigue et une lésion des oreilles, améliore l'espace de logement du corps de haut-parleur d'écouteur tout entier et l'efficacité de production, et a un fort côté pratique.
PCT/CN2014/082865 2013-08-15 2014-07-24 Haut-parleur d'écouteur WO2015021851A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201320497705.XU CN203378017U (zh) 2013-08-15 2013-08-15 一种耳机喇叭
CN201320497705.X 2013-08-15

Publications (1)

Publication Number Publication Date
WO2015021851A1 true WO2015021851A1 (fr) 2015-02-19

Family

ID=49840517

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/082865 WO2015021851A1 (fr) 2013-08-15 2014-07-24 Haut-parleur d'écouteur

Country Status (2)

Country Link
CN (1) CN203378017U (fr)
WO (1) WO2015021851A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3606096A4 (fr) * 2018-05-14 2020-03-04 Suzhou Sonavox Electronics Co., Ltd. Haut-parleur aigu

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203378017U (zh) * 2013-08-15 2014-01-01 廖朝红 一种耳机喇叭
JP5987820B2 (ja) * 2013-12-26 2016-09-07 オンキヨー株式会社 スピーカーシステムおよびこれを備える電子機器
US9628903B2 (en) 2014-12-23 2017-04-18 Bose Corporation Microspeaker acoustical resistance assembly
CN105007550A (zh) * 2015-07-20 2015-10-28 朝阳聚声泰（信丰）科技有限公司 一种降噪高音质受话器
CN105681980A (zh) * 2015-12-31 2016-06-15 联想(北京)有限公司 一种电子输出设备
CN107426656B (zh) * 2017-09-08 2020-01-14 Oppo广东移动通信有限公司 电声组件、电声装置及移动终端

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101742373A (zh) * 2008-11-13 2010-06-16 美律实业股份有限公司 制噪耳机
US20110274301A1 (en) * 2010-05-05 2011-11-10 Undersea Systems International, Inc. Underwater Transducer Apparatus Using Polarized Stacked Piezoelectric Elements and a Method of Operating the Same
CN102333259A (zh) * 2011-07-14 2012-01-25 瑞声声学科技(深圳)有限公司 耳机
CN103037276A (zh) * 2012-11-29 2013-04-10 郁志曰 一种空气动力振动喇叭驱动单元及其头戴式耳机
CN202979273U (zh) * 2012-11-29 2013-06-05 郁志曰 一种同轴双喇叭驱动单元及其耳机
CN203039854U (zh) * 2012-12-03 2013-07-03 常州美欧电子有限公司 耳机
CN203378017U (zh) * 2013-08-15 2014-01-01 廖朝红 一种耳机喇叭

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101742373A (zh) * 2008-11-13 2010-06-16 美律实业股份有限公司 制噪耳机
US20110274301A1 (en) * 2010-05-05 2011-11-10 Undersea Systems International, Inc. Underwater Transducer Apparatus Using Polarized Stacked Piezoelectric Elements and a Method of Operating the Same
CN102333259A (zh) * 2011-07-14 2012-01-25 瑞声声学科技(深圳)有限公司 耳机
CN103037276A (zh) * 2012-11-29 2013-04-10 郁志曰 一种空气动力振动喇叭驱动单元及其头戴式耳机
CN202979273U (zh) * 2012-11-29 2013-06-05 郁志曰 一种同轴双喇叭驱动单元及其耳机
CN203039854U (zh) * 2012-12-03 2013-07-03 常州美欧电子有限公司 耳机
CN203378017U (zh) * 2013-08-15 2014-01-01 廖朝红 一种耳机喇叭

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3606096A4 (fr) * 2018-05-14 2020-03-04 Suzhou Sonavox Electronics Co., Ltd. Haut-parleur aigu
JP2020527296A (ja) * 2018-05-14 2020-09-03 スージョウ ソナヴォックス エレクトロニクス シーオー．，エルティーディー． 高音用ラウドスピーカー
JP7085553B2 (ja) 2018-05-14 2022-06-16 スージョウ ソナヴォックス エレクトロニクス シーオー．，エルティーディー． 高音用ラウドスピーカー

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