WO2015100663A1 - Électronique audio miniature - Google Patents

Électronique audio miniature Download PDF

Info

Publication number
WO2015100663A1
WO2015100663A1 PCT/CN2013/091213 CN2013091213W WO2015100663A1 WO 2015100663 A1 WO2015100663 A1 WO 2015100663A1 CN 2013091213 W CN2013091213 W CN 2013091213W WO 2015100663 A1 WO2015100663 A1 WO 2015100663A1
Authority
WO
WIPO (PCT)
Prior art keywords
speaker
micro
annular protrusion
shell
housing
Prior art date
Application number
PCT/CN2013/091213
Other languages
English (en)
Chinese (zh)
Inventor
刘骏涛
Original Assignee
刘骏涛
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 刘骏涛 filed Critical 刘骏涛
Publication of WO2015100663A1 publication Critical patent/WO2015100663A1/fr

Links

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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer

Definitions

  • the present invention relates to the field of audio and, more particularly, to a miniature sound system. ⁇ Background technique ⁇
  • Micro-audio is widely used in daily life, generally including a housing, a horn fixed to the inside of the housing, a circuit board and a rechargeable battery; the housing includes an upper case and a lower case, and the horn is fixed inside the upper case or the lower case, The sound hole is arranged at the position corresponding to the speaker, so that there is only one sound cavity in the micro sound, and the resonance effect of the speaker is poor, which affects the sound quality of the micro sound.
  • the technical problem to be solved by the present invention is to provide a micro-audio with better sound quality.
  • a micro-sound comprising a housing, a circuit board fixed inside the housing, a horn electrically connected to the circuit board, and a power supply for the horn a battery
  • the housing includes an upper case and a lower case
  • the case further includes a middle case provided with a first escape hole for placing the horn, and the middle case is further provided with a ring a first annular protrusion of the escape hole, the inner wall of the upper case is provided with a closed jaw that closes the first annular protrusion
  • the micro-audio further includes a closed loop and a first annular protrusion Seal between the bars.
  • the upper shell is curved in a curved shape and gradually increases from the both sides toward the middle.
  • the volume of the front sound chamber between the upper and middle casings can be increased, and the resonance effect of the Rabba can be further improved.
  • the horn is in the form of a strip
  • the edge of the horn is provided with an outwardly extending fixing portion
  • the fixing portion is provided with a first screw hole
  • the middle shell is provided with the first screw
  • the hole is matched with a second screw hole
  • the horn is fixed in the first annular protrusion by screws. Fix the horn on the middle case with screws, and fix the screws firmly and operate the single unit for easy assembly.
  • the opposite surface of the middle shell and the upper shell is provided with a second ring that rings the second screw hole A protrusion, the second annular protrusion is internally provided with a thread.
  • the sound outlet of the speaker is placed in the space between the middle shell and the lower shell, and the second annular protrusion of the second screw hole is arranged on the opposite surface of the middle shell and the upper shell to prevent the screw from falling off, which is better Fixed horn.
  • the rim of the horn is provided with a third annular protrusion perpendicular to the sound outlet, and the first screw hole is located at a corner of the third annular protrusion.
  • the third annular projection can limit the screw.
  • the rabies is fixed by four screws. Use four screws to fix the four corners of the Rab, and the fixing effect is best.
  • the sealing strip is made of a flexible material and is fixed to the end of the first annular projection by glue. After the flexible material is easily deformed and then fixed by glue, it is convenient to clamp the first ring-turning protrusion into the edge-sealing device.
  • the sealing strip is a foam. This is the specific material used for the sealing strip. Of course, other materials can also be used.
  • the edge of the middle shell is provided with a sound hole with a uniform hook distribution
  • the micro sound system further includes a speaker net covering the sound hole. This is the specific location of the sound hole set on the micro audio.
  • the upper shell and the lower shell are screwed, and the middle shell is provided with a screw avoiding hole.
  • This is a specific way of fixing the housing, and the screws are firmly fixed and easy to assemble.
  • the invention closes the cymbal to form a closed front sound chamber in the micro-sound, and the rear sound chamber is formed between the lower shell and the middle shell, and the front sound chamber cooperates with the rear sound chamber to effectively improve the subwoofer of the horn.
  • the resonance effect enhances the sound quality of the micro-sound.
  • FIG. 1 is a schematic overall view of a micro-sound according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of splitting of a micro-sound according to an embodiment of the present invention.
  • FIG. 3 is a schematic view showing the inside of an upper casing of a miniature acoustic system according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a micro-audio of the embodiment of the present invention.
  • Figure 5 is a schematic view showing the opposite side of the middle case and the upper case of the micro-acoustic according to the embodiment of the present invention
  • 6 is a schematic diagram of a combination of a key circuit board, a speaker, a button, and a middle case of a micro-sound according to an embodiment of the present invention
  • Figure 7 is a longitudinal cross-sectional view of a microspeaker in accordance with an embodiment of the present invention.
  • a micro-sound comprising a casing, a circuit board fixed inside the casing, a horn electrically connected to the circuit board, and a battery for supplying power to the horn, the casing including an upper casing and a lower casing
  • the housing further includes a middle case provided with a first escape hole for placing the horn, and the middle case is further provided with a first annular protrusion that surrounds the first escape hole, the upper portion
  • the inner wall of the casing is provided with a closed jaw that closes the first annular projection; the micro-audio further includes a sealing strip sandwiched between the closed jaw and the first annular projection.
  • the micro-sound is in the form of a long strip of bread, including a casing, a circuit board fixed inside the casing, a horn 4 electrically connected to the circuit board, and a battery 6 for supplying power to the horn 4;
  • the body includes an upper casing 1, a middle casing 2 and a lower casing 3, and the first annular projection 22 for placing the first escape hole 21 of the Rab 4 and the first relief hole 21 of the ring is disposed in the middle casing 2,
  • the inner wall of the casing 1 is provided with a closing jaw 11 that closes the first annular projection 22, and the micro-audio further includes a sealing strip (not shown) sandwiched between the closing jaw 11 and the first annular projection 22.
  • the closing jaw 11 is a two-ring vertical projection (see 3), and the first annular projection 22 is caught in the closing jaw 11. Since the closing jaw 11 seals the horn 4 between the upper shell 1 and the middle shell 2
  • the front sound chamber 100 is closed, and the rear sound chamber 200 is formed between the lower shell 3 and the middle shell 2.
  • the front sound chamber 100 cooperates with the rear sound chamber 200, effectively improving the resonance effect of the subwoofer of the speaker 4, thereby improving the micro-sound. Sound quality, see Figure 7.
  • the upper casing 1 is curved in a curved shape from the both sides to the middle, so that the front sound chamber between the upper casing 1 and the middle casing 2 can be increased in the case where the footprint of the micro acoustic system is constant.
  • the volume further enhances the resonance effect of the horn 4.
  • the casing is fixed by screws, and a third screw hole column 12 is disposed in the upper casing 1, and a third screw hole is matched in the lower casing 3 to cooperate with the third screw hole column; in combination with FIG. 5, on the middle casing 2
  • a screw escape hole 26 is provided to cooperate with the third screw hole post and the third screw hole.
  • the horn 4 is elongated, and the horn 4 is fixed in the middle case by four screws.
  • the edge of the horn 4 is provided with an outwardly extending fixing portion.
  • the fixing portion is provided with a first screw hole 42.
  • the rim of the horn 4 is provided with a third annular protrusion 43 perpendicular to the sound outlet 41, and the first screw hole 42 is respectively located at a corner of the third annular protrusion 34; in conjunction with FIG. 5, the middle housing 2 is provided with a second screw hole that cooperates with the first screw hole 42.
  • a second annular projection 22 having a second screw hole is provided on the opposite surface of the middle casing 2 and the upper casing 1, and the second annular projection 22 is internally provided with a thread.
  • the edge of the middle shell 2 is provided with sound-distributing holes 28 which are uniformly distributed, and the sound-emitting holes 28 are block-shaped square holes distributed on the side of the middle shell.
  • the micro-acoustic also includes and covering the sound-emitting holes 28.
  • Speaker net 5 La Ba net 5 is fixed with glue.
  • the sealing strip is made of a flexible material and is fixed to the end of the first annular projection with glue. After the flexible material is easily deformed and then fixed with glue, it is convenient to clamp the first ring-turning protrusion into the edge-sealing box.
  • the sealing strip is a foam. This is the specific material used for the sealing strip. Of course, other materials can also be used.
  • the circuit board includes a main circuit board 7 and a key circuit board 8 electrically connected to the main circuit board.
  • the main circuit board 7 is fixed in the lower case 3; in combination with FIG. 5, the side in the middle case 2
  • a button circuit board holder 25 for fixing the button circuit board 7 is provided, and the micro speaker further includes a button 9 for controlling the playing state thereof, and a button avoiding hole 27 is provided at a position corresponding to the button circuit board fixing frame of the middle case 2
  • the button 9 is hot-melted and fixed on the middle case 2 corresponding to the button avoidance hole 27.
  • the battery 6 is fixed between the middle casing 2 and the lower casing 3, and the first casing 2 is provided with a battery for placing the battery 6.
  • Two avoidance holes 24 are provided in order to make full use of the space inside the casing.
  • the micro-audio has TF playback, computer playback and radio functions, and the battery 6 is a rechargeable battery; the main circuit board 7 is provided with a TF card interface, an audio input hole, a usb charging interface, an audio output hole and a radio antenna. Operation button 9 can adjust the volume of the micro audio, play smoothly and function.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Telephone Set Structure (AREA)

Abstract

Électronique audio miniature comportant un boîtier, une carte à circuits fixée à l'intérieur du boîtier, un haut-parleur (4) relié électriquement à la carte à circuits, et une batterie (6) servant à alimenter le haut-parleur (4). Le boîtier comporte un boîtier supérieur (1) et un boîtier inférieur (3). Le boîtier comporte également un boîtier médian (2) muni d'un premier trou (21) d'évitement utilisé pour placer le haut-parleur (4). Une première protubérance annulaire (22) entourant le premier trou (21) d'évitement est également aménagée sur le boîtier médian (2). Une bague (11) d'enveloppement enveloppant la première protubérance annulaire (22) est placée sur la paroi intérieure du boîtier supérieur (1). L'électronique audio miniature comporte également une bande d'étanchéité prise en sandwich entre la bague (11) d'enveloppement et la première protubérance annulaire (22). La bague (11) d'enveloppement isole le haut-parleur (4) à l'intérieur de l'électronique audio miniature pour former une chambre sonore avant (100) fermée. Le boîtier inférieur (3) et le boîtier médian (2) forment entre eux une chambre sonore arrière (200). La chambre sonore avant (100) agit de concert avec la chambre sonore arrière (200) pour améliorer efficacement les effets de résonance acoustique des basses du haut-parleur (4), accroissant ainsi la qualité sonore de l'électronique audio miniature.
PCT/CN2013/091213 2013-12-30 2013-12-31 Électronique audio miniature WO2015100663A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310746782.9 2013-12-30
CN201310746782.9A CN103763656A (zh) 2013-12-30 2013-12-30 一种微型音响

Publications (1)

Publication Number Publication Date
WO2015100663A1 true WO2015100663A1 (fr) 2015-07-09

Family

ID=50530804

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/091213 WO2015100663A1 (fr) 2013-12-30 2013-12-31 Électronique audio miniature

Country Status (2)

Country Link
CN (1) CN103763656A (fr)
WO (1) WO2015100663A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103957478A (zh) * 2013-12-30 2014-07-30 刘骏涛 一种微型音响
CN103763642A (zh) * 2013-12-30 2014-04-30 刘骏涛 一种微型音响
CN106170111B (zh) * 2016-09-29 2018-03-06 陈林 一种箱体调音式音箱

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JP2007096843A (ja) * 2005-09-29 2007-04-12 Kyocera Corp 携帯端末装置
CN101600142A (zh) * 2008-06-06 2009-12-09 深圳富泰宏精密工业有限公司 电子装置的音箱结构
CN101783987A (zh) * 2010-01-26 2010-07-21 张志明 一种新型音箱
CN202019440U (zh) * 2011-04-27 2011-10-26 东莞市朗龙电子有限公司 微型音箱
CN103002385A (zh) * 2012-09-14 2013-03-27 精拓丽音科技（北京）有限公司 具有自适应压力平衡的微型扬声器模组结构
CN203225864U (zh) * 2013-02-07 2013-10-02 歌尔声学股份有限公司 扬声器模组及其应用该扬声器模组的电子装置
CN103763645A (zh) * 2013-12-30 2014-04-30 刘骏涛 一种微型音响
CN203691578U (zh) * 2013-12-30 2014-07-02 刘骏涛 一种微型音响
CN203691576U (zh) * 2013-12-30 2014-07-02 刘骏涛 一种微型音响

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JPH10164680A (ja) * 1996-11-28 1998-06-19 Namco Ltd スピーカボックス
CN101198196A (zh) * 2006-12-08 2008-06-11 富准精密工业(深圳)有限公司 音箱结构及采用该音箱结构的移动电子设备
CN201393278Y (zh) * 2009-04-21 2010-01-27 福州思迈特数码科技有限公司 便携式数字多媒体播放设备装置
CN202103810U (zh) * 2011-06-15 2012-01-04 深圳市南和华毅塑胶制品有限公司 一种新型结构的mp3播放器
CN103458326B (zh) * 2013-08-27 2017-03-01 上海创功通讯技术有限公司 喇叭密封结构及其加工方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007096843A (ja) * 2005-09-29 2007-04-12 Kyocera Corp 携帯端末装置
CN101600142A (zh) * 2008-06-06 2009-12-09 深圳富泰宏精密工业有限公司 电子装置的音箱结构
CN101783987A (zh) * 2010-01-26 2010-07-21 张志明 一种新型音箱
CN202019440U (zh) * 2011-04-27 2011-10-26 东莞市朗龙电子有限公司 微型音箱
CN103002385A (zh) * 2012-09-14 2013-03-27 精拓丽音科技（北京）有限公司 具有自适应压力平衡的微型扬声器模组结构
CN203225864U (zh) * 2013-02-07 2013-10-02 歌尔声学股份有限公司 扬声器模组及其应用该扬声器模组的电子装置
CN103763645A (zh) * 2013-12-30 2014-04-30 刘骏涛 一种微型音响
CN203691578U (zh) * 2013-12-30 2014-07-02 刘骏涛 一种微型音响
CN203691576U (zh) * 2013-12-30 2014-07-02 刘骏涛 一种微型音响

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