WO2015172297A1 - Mini haut-parleur - Google Patents

Mini haut-parleur Download PDF

Info

Publication number
WO2015172297A1
WO2015172297A1 PCT/CN2014/077290 CN2014077290W WO2015172297A1 WO 2015172297 A1 WO2015172297 A1 WO 2015172297A1 CN 2014077290 W CN2014077290 W CN 2014077290W WO 2015172297 A1 WO2015172297 A1 WO 2015172297A1
Authority
WO
WIPO (PCT)
Prior art keywords
column
sound
sound chamber
housing
annular platform
Prior art date
Application number
PCT/CN2014/077290
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
Priority to PCT/CN2014/077290 priority Critical patent/WO2015172297A1/fr
Publication of WO2015172297A1 publication Critical patent/WO2015172297A1/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • the present invention relates to the field of household appliances and, more particularly, to a miniature sound system. ⁇ Background technique ⁇
  • the USB cable for the three-wire connector includes a USB plug that mates with the USB connector, a headphone jack that is placed side by side, and a charging plug that mates with the USB jack on the computer or charging adapter.
  • I have designed a miniature sound system including a housing, a sounding magnet fixed in the housing, a conductive coil provided by the sounding magnet, a circuit board and a USB interface connected to the conductive coil.
  • a hollow sound chamber column communicating with the interior of the housing above the housing; the micro-audio further includes a winding portion for fixing the conductive coil, the winding portion being fixed to the sounding magnet
  • An outwardly projecting contact portion is disposed at an intermediate position of the bottom portion and one end, and the bottom portion of the housing is provided with a first escape hole that cooperates with the contact portion.
  • the conductive coil outside the sounding magnet generates a magnetic field when energized to cause vibration between the sounding magnet and the winding portion; and the winding portion is provided with a contact portion protruding from the bottom of the housing, so that the contact portion is placed with the micro acoustic sound.
  • the surface forms a certain distance for the micro-sound vibration to sound; thus, the micro-audio is connected to the sound source and the power source through the USB interface with the USB cable of the three-wire connector, and the micro-sound can sound.
  • the inner portion of the sound chamber column is hollow and has an opening at one end.
  • the first end of the sound chamber is provided with an outwardly extending first annular platform, and the housing is provided with a second escape hole that cooperates with the sound chamber column.
  • the first annular platform abuts against an edge of the second escape hole. This program is not public.
  • the sound chamber column is directly disposed between the housing and the sounding magnet, and the sound chamber column may shake when carried or used to affect the sound quality
  • the technical problem to be solved by the present invention is to provide a micro-sound that securely fixes the sound chamber column.
  • the object of the present invention is achieved by the following technical solutions: a micro-sound, comprising a housing, further comprising a sounding magnet fixed in the housing, a conductive coil provided by the sounding magnet, and a a circuit board electrically connected to the conductive coil and provided with a USB interface; the micro-audio further includes a sound chamber column which is hollow inside and has an opening at one end, and the opening of the sound chamber column is provided with an outwardly extending first annular platform a second escaping hole for escaping the sound chamber column is disposed on the surface shell, the first annular platform is abutting against an edge of the second escaping hole, and the housing is provided with a limiting position
  • the hot-melt column of the sound chamber column is provided with a hot-melt hole matched with the heat-melting column.
  • the housing comprises opposite faces and a bottom case, and the second escape hole is disposed at the top of the face case.
  • the sound chamber column is thermally fixed to the face shell.
  • the second escape hole is larger than the sound cavity column. It is possible to prevent the sound chamber column from coming into contact with the second escape hole to generate friction.
  • a second annular platform that is larger than the second escape hole or the like is disposed above the first annular platform.
  • the second annular platform and the second escape hole are arranged in a large manner, which can avoid the contact between the sound chamber column and the face shell and can fill the second escape hole.
  • the height of the second annular platform is equal to the thickness of the face shell.
  • the outer surface of the face shell remains flat.
  • the micro-audio further comprises a resonance film disposed on the sound chamber column, and the resonance film is fixed on the first annular platform of the sound chamber column by glue. Setting the resonance film can increase the resonance effect of the sound and improve the quality of the sound.
  • the resonant film is smaller than the first annular platform. This is the specific setting of the resonant film.
  • the sounding magnet is fixed in the face shell by screws, and the first annular platform is provided with a fourth escape hole for avoiding the screw.
  • This is equivalent to assembling the face shell, the sound chamber column, and the sounding magnet with screws to further fix the sound chamber column.
  • the hot melt holes are two and symmetrically arranged. This is the specific form of hot melt fixation.
  • the sound chamber column has a long annular shape and the opposite ends of the open end of the sound chamber column are chamfered. This makes it easy to hold the chamber column with your hand while moving.
  • the invention is provided with a hot melt hole on the sound chamber column and is provided on the housing with the hot melt hole.
  • the heat-melting column fixes the sound chamber column in the casing, and the heat-seal fixing is firmly fixed in the casing.
  • FIG. 1 is an inverted schematic view of a micro-acoustic according to an embodiment of the present invention
  • FIG. 2 is a schematic view of a sound chamber column according to an embodiment of the present invention
  • FIG. 3 is a schematic view of the inside of a face shell according to an embodiment of the present invention.
  • FIG. 4 is a schematic view showing the assembly of a face shell and a sound chamber column according to an embodiment of the present invention.
  • a micro-sound comprising a housing, further comprising a sounding magnet fixed in the housing, a conductive coil disposed on the sound-generating magnet, a circuit board electrically connected to the conductive coil and provided with a USB interface;
  • the sound system further includes a sound cavity column which is hollow inside and is provided with an opening at one end, and the opening of the sound cavity column is provided with an outwardly extending first annular platform, and the casing is provided with a first portion for avoiding the sound cavity column a second escape hole, the first annular platform abuts the edge of the second escape hole, and the housing is provided with a heat-melting column for limiting the sound chamber column, the first annular platform A hot melt hole is provided for cooperating with the heat fusion column.
  • a hot-melt hole is arranged on the sound chamber column, and a heat-melting column matched with the hot-melt hole is arranged on the shell, and the sound chamber column is thermally melted and fixed in the shell, and the heat-melt fixing is firmly fixed to the sound chamber.
  • the column is firmly fixed in the housing.
  • the micro-sound includes a housing, a sounding magnet fixed inside the housing, a conductive coil provided by the ring-shaped sound magnet, and a circuit board electrically connected to the conductive coil and provided with a USB interface.
  • the micro-sound is connected to the power source and the sound source through the three-connector USB data cable, and the magnet vibrates.
  • a hollow sound chamber column 3 communicating with the inside of the casing is disposed above the casing.
  • one end of the sound chamber column 3 is provided with an opening, and an outwardly extending first annular platform 31 is provided at the opening of the sound chamber column 3.
  • the housing includes a face shell 1 and a bottom case 2 which are oppositely disposed.
  • the face shell 1 is provided with a second escape hole 11 for avoiding the sound chamber post 3, and the first annular platform 31 abuts against the edge of the second escape hole 11
  • the casing 1 is provided with a heat-melting column 12 for restraining the sound chamber column 3.
  • the first annular platform 31 is provided with a hot-melt hole 32 which cooperates with the heat-melting column 12.
  • the hot melt holes 32 are symmetrically disposed on the first annular platform 31, and the hot melt columns 12 correspond to the positions of the hot melt holes 32.
  • the second escape hole 11 is larger than the sound chamber column 3, and the second annular platform 31 is disposed above the second relief hole 11 and the like.
  • the second annular platform 33 In order to maintain the flatness of the top of the face shell 1, the height of the second annular platform 33 is the same as the thickness of the face shell 1 such that the second annular platform 33 does not protrude from the surface of the face shell.
  • the microspeaker further includes a resonance film disposed on the sound chamber column and smaller than the first annular platform, the resonance film being fixed to the first annular platform of the sound chamber column with glue.
  • the resonance film is also provided to enhance the resonance effect of the sound and improve the sound quality.
  • the sound chamber column is arranged in a ring shape of a long strip, and a chamfer is provided at the opposite end of the open end of the sound chamber column.
  • the sounding magnet is fixed in the face shell by screws, and four first screw holes 13 are evenly distributed on the top of the face shell 1.
  • the first screw hole column is matched with the first screw hole above the sounding magnet, in order to Preferably, the sounding magnet is fixed by screws, and the first annular protrusion 14 of the ring first screw hole 13 is disposed in the face shell 1, and the first annular protrusion 14 and the first screw hole column are internally provided with threads.
  • a third relief hole 34 for the screw is disposed on the first annular platform 31 of the sound chamber column 3.
  • the micro-audio further includes a winding portion 4 for winding the conductive coil, and the conductive coil is wound around the end of the winding portion 4.
  • the winding portion 4 has a hollow cylindrical shape and is provided with an opening at one end and a contact portion on which the bottom case is provided at the other end.
  • the bottom case 2 is provided with a first relief hole in which the contact portion is adapted.
  • the bottom edge of the sounding magnet is provided with a concave recess, the open end of the winding portion is adapted to the recess, and the winding portion is made of ferrous material and directly adsorbed to the bottom of the sounding magnet.
  • the circuit board is fixed in the bottom case by screws, and a USB interface adapted to the USB port is arranged on the bottom case. Let the hole 21.
  • the micro-acoustic sounds by the vibration of the sounding magnet avoids the situation that the resonance effect of the speaker is poor, giving the user an auditory enjoyment; and when the micro-audio is placed on different placement surfaces such as the floor, the table, the wall, the glass, etc., Different from the medium, the micro-audio can produce different sound effects and has certain interest.

Landscapes

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

Abstract

L'invention concerne un mini haut-parleur, comprenant un boîtier, et comprenant également un aimant de sondage fixé à l'intérieur du boîtier, une bobine conductrice disposée autour de l'aimant de sondage, et une carte de circuits imprimés connectée électriquement à la bobine conductrice et comportant une interface USB ; le mini haut-parleur comprend en outre une colonne de chambre acoustique creuse (3) comportant une ouverture à une extrémité ; une première plateforme annulaire s'étendant vers l'extérieur (31) est disposée au niveau de l'ouverture de la colonne de chambre acoustique (3) ; un second trou aux inter-couches (11) utilisé pour conduire à la colonne de chambre acoustique (3) est ménagé sur le boîtier ; la première plateforme annulaire (31) vient en butée contre le bord du second trou aux inter-couches (11) ; sur le boîtier est disposée une colonne thermofusible (12) utilisée pour retenir la colonne de chambre acoustique (3) ; sur la première plateforme annulaire (31) est ménagé un trou thermofusible (32) s'adaptant à la colonne thermofusible (12). Le trou thermofusible (32) est ménagé sur la colonne de chambre acoustique (12) et la colonne thermofusible (12) s'adaptant au trou thermofusible (32) est disposée sur le boîtier, la colonne de chambre acoustique (3) est fondue à chaud et fixée à l'intérieur du boîtier, et au moyen d'une fixation thermofusible, la colonne de chambre acoustique (3) est fixée fermement à l'intérieur du boîtier.
PCT/CN2014/077290 2014-05-12 2014-05-12 Mini haut-parleur WO2015172297A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/077290 WO2015172297A1 (fr) 2014-05-12 2014-05-12 Mini haut-parleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/077290 WO2015172297A1 (fr) 2014-05-12 2014-05-12 Mini haut-parleur

Publications (1)

Publication Number Publication Date
WO2015172297A1 true WO2015172297A1 (fr) 2015-11-19

Family

ID=54479123

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/077290 WO2015172297A1 (fr) 2014-05-12 2014-05-12 Mini haut-parleur

Country Status (1)

Country Link
WO (1) WO2015172297A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006237939A (ja) * 2005-02-24 2006-09-07 Audio Technica Corp ダイナミックマイクロホン
EP1722592A1 (fr) * 2005-05-09 2006-11-15 Yen-Shan Chen Module audio integrée
KR20110036214A (ko) * 2009-10-01 2011-04-07 장동우 압축양모 소재를 필터로 구성되어 적층된 반향 챔버를 갖는 구조 방식의 다이나믹형 유니트
CN202663518U (zh) * 2012-04-12 2013-01-09 浙江恒科实业有限公司 便携式音箱播放器
CN202856958U (zh) * 2012-10-29 2013-04-03 东莞市康永电子科技有限公司 一种超重低音的音箱
CN103167387A (zh) * 2011-12-13 2013-06-19 富电电子（株） 具有内部共鸣腔的微型扬声器
CN203313384U (zh) * 2013-07-01 2013-11-27 常州龙域产品策划有限公司 一种振动式音响
CN104010257A (zh) * 2014-05-12 2014-08-27 刘骏涛 一种微型音响

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006237939A (ja) * 2005-02-24 2006-09-07 Audio Technica Corp ダイナミックマイクロホン
EP1722592A1 (fr) * 2005-05-09 2006-11-15 Yen-Shan Chen Module audio integrée
KR20110036214A (ko) * 2009-10-01 2011-04-07 장동우 압축양모 소재를 필터로 구성되어 적층된 반향 챔버를 갖는 구조 방식의 다이나믹형 유니트
CN103167387A (zh) * 2011-12-13 2013-06-19 富电电子（株） 具有内部共鸣腔的微型扬声器
CN202663518U (zh) * 2012-04-12 2013-01-09 浙江恒科实业有限公司 便携式音箱播放器
CN202856958U (zh) * 2012-10-29 2013-04-03 东莞市康永电子科技有限公司 一种超重低音的音箱
CN203313384U (zh) * 2013-07-01 2013-11-27 常州龙域产品策划有限公司 一种振动式音响
CN104010257A (zh) * 2014-05-12 2014-08-27 刘骏涛 一种微型音响

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