WO2016179990A1 - Haut-parleur à vibration - Google Patents

Haut-parleur à vibration Download PDF

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Publication number
WO2016179990A1
WO2016179990A1 PCT/CN2015/094541 CN2015094541W WO2016179990A1 WO 2016179990 A1 WO2016179990 A1 WO 2016179990A1 CN 2015094541 W CN2015094541 W CN 2015094541W WO 2016179990 A1 WO2016179990 A1 WO 2016179990A1
Authority
WO
WIPO (PCT)
Prior art keywords
vibration
outer casing
mass
rear cover
positioning
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2015/094541
Other languages
English (en)
Chinese (zh)
Inventor
王继宗
李栋
许超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goertek Inc
Original Assignee
Goertek Inc
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 Goertek Inc filed Critical Goertek Inc
Publication of WO2016179990A1 publication Critical patent/WO2016179990A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • the invention relates to the technical field of electroacoustic products, and in particular to a vibration speaker.
  • the vibration speaker is a multifunctional acoustic device that has the function of a vibration motor in addition to the vibration sounding function of the ordinary speaker.
  • the vibration speaker can save the internal space of the portable electronic terminal, simplify the assembly process of the portable electronic terminal, and reduce the cost of the portable electronic terminal, so the vibration speaker is more and more widely used in the field of portable electronic terminals.
  • the structure of the vibration speaker in the prior art mainly comprises a casing, a rear cover that cooperates with the casing, the rear cover and the casing form a cavity, and the vibration system and the magnetic circuit system are accommodated in the cavity, and between the magnetic circuit system and the outer casing
  • the cavity position is provided with a mass.
  • the technical problem to be solved by the present invention is to provide a vibration speaker with good vibration performance.
  • a vibration speaker includes a housing, a rear cover mated with the housing, a vibration system and a magnetic circuit system housed in the housing, and a mass fixed to the magnetic circuit system, and the housing is remote from the vibration system
  • One end of the mass is provided with a sound hole, and the mass is provided with a protrusion corresponding to the sound hole, and a projection of the mass protrusion on the sound hole plane partially overlaps the sound hole.
  • the outer casing has a square structure, and the sound hole is The outer casing is formed in cooperation with the rear cover, and the sound emitting holes are located at four corners of the square structural outer casing.
  • the mass protrusion is a triangular structure formed by two oblique sides and a mass body.
  • the sound hole shape is a triangle; the triangular structure of the sound hole is parallel to at least one side of the triangular structure of the mass protrusion.
  • the four corner portions of the square structure outer casing are provided with a recess
  • the rear cover is provided with a step corresponding to the recess
  • the rear cover is inlaid and fixed with the outer casing.
  • the housing recessed position is provided with a positioning structure
  • the rear cover is provided with a positioning hole corresponding to the positioning structure
  • the positioning structure is disposed in the recesses of the four corners of the outer casing, and two positioning structures are disposed in the recess of each corner of the outer casing, and the outer casing is provided with 8
  • the positioning structure is provided; the back cover is correspondingly provided with 8 positioning holes.
  • the positioning structure is a heat fusion column.
  • the sound hole corresponding to the rear portion of the vibrating speaker is provided with a convex portion, and the projection of the mass protruding portion on the sound hole plane of the rear portion of the vibrating speaker partially overlaps with the sound emitting hole, and the mass is convex.
  • the contact area of the mass block and the air flow vibration can be increased, thereby increasing the vibration strength of the vibration speaker, which is beneficial to improving the vibration performance of the vibration speaker.
  • the larger the area where the protruding portion overlaps with the sounding hole the better the vibration performance of the vibrating speaker.
  • the vibration speaker of the invention has the advantage of good vibration performance.
  • FIG. 1 is a perspective view of a vibrating speaker according to a specific embodiment of the present invention.
  • Figure 2 is an exploded view of the vibration speaker shown in Figure 1;
  • Figure 3 is a cross-sectional view of the vibration speaker shown in Figure 1;
  • FIG. 4 is a schematic view showing the structure of the mass block, the outer casing and the back cover of the embodiment
  • Figure 5 is a perspective view of the mass of the embodiment
  • Fig. 6 is an enlarged view of a portion of the vibration speaker 1 shown in Fig. 1.
  • the vibration speaker of the present invention comprises a casing 1 , a rear cover 2 fixedly engaged with one end of the casing 1 , and a front cover 11 fixed to the other end of the casing 1 , and a casing 1 and a rear cover 2 .
  • the front cover 11 cooperates to form a cavity that houses the fixed vibration system and the magnetic circuit system.
  • the vibration system includes a diaphragm 32, a reinforcing portion 31 fixed to the diaphragm, and a voice coil 33.
  • the vibrating speaker of the present invention further includes a supporting piece 41 and a mass 42.
  • the mass 42 is an annular structure, and the mass 42 is disposed outside the basin frame 53 and the basin frame 53.
  • the fixing piece; the supporting piece 41 includes a second fixing portion disposed inside and a first fixing portion fixed to the outer casing, the second fixing portion of the supporting piece 41 is fixed to the basin frame 53, and the basin frame 53 is suspended from the outer casing by the supporting piece 41 1 internal.
  • a drive current is input into the voice coil 33, and the voice coil 33 is disposed in the magnetic gap.
  • the current change in the voice coil 33 disposed in the magnetic field causes the voice coil to be subjected to Lorentz force, and is suspended from the voice coil.
  • the magnetic circuit system within the outer casing 1 is subjected to a reaction force.
  • the reaction force received by the magnetic circuit system resonates with the mass, the vibration of the vibrating speaker is obvious, and the vibrating speaker can perform the vibration function; when the higher frequency signal is input in the voice coil 33
  • the voice coil 33 vibrates obviously, and the diaphragm 32 vibrates and sounds, and the vibrating speaker plays the role of sounding.
  • the vibration speaker of the invention is added on the basis of the speaker The vibration function saves the internal space and assembly process of the portable electronic terminal.
  • the outer casing 1 has a square structure, and the four corners of the outer casing 1 of the square structure are provided with sound holes 6, and the sound emitting holes 6 are actually composed of the outer casing 1 and the rear cover 2.
  • the mass 42 is provided with a convex portion corresponding to the sound hole 6, and the projection of the protruding portion on the plane of the sound hole 6 partially overlaps with the sound hole.
  • the mass 42 is provided with a protrusion corresponding to the sound hole 6, which can increase the contact area of the mass 42 with the vibrating airflow, that is, increase the vibration contact area of the mass and the sound hole 6, which is beneficial to increase the vibration of the vibrating speaker.
  • the strength is beneficial to improve the vibration performance of the vibrating speaker.
  • the sound emitting holes 6 are disposed at the four corners, and the protruding portions on the mass 42 are correspondingly provided with four portions, and the convex portions on the mass 42 are protruded.
  • the portion is composed of a beveled edge 42a and a beveled edge 42b, and the beveled edge 42a, the beveled edge 42b and the mass 42 are formed into a triangular structure.
  • the sound hole 6 is also a triangular structure, and the triangular sound hole 6 and the triangular protrusion of the mass 42 have at least one side parallel, which can be maximized without affecting the sound directivity of the vibration speaker. Limit the vibration contact area between the mass and the sound hole to maximize the vibration performance of the vibrating speaker.
  • the vibrating speaker of the present invention has a square structure of the outer casing 1, and the rear cover 2 has a square shape and a casing.
  • the four corners of 1 are provided with a recess 1a
  • the rear cover 2 is provided with a step 2a corresponding to the recess 1a, that is, both ends of the four axial sides of the square rear cover 2 are provided with a step 2a, and the rear cover 2 and the outer casing 1 pass through the recess 1a is fixed inlaid with the step 2a.
  • the vibration speaker of the structure can effectively improve the degree of fixation of the back cover 2 and the outer casing 1, and increase the overall strength of the vibration speaker of the present invention.
  • a positioning structure 1b is disposed in the recess 1a of the corner of the outer casing 1.
  • the outer casing 2 is provided with a positioning hole 2b corresponding to the positioning structure 1b.
  • the vibration speaker of the embodiment is disposed in the recess 1a.
  • the positioning holes 2b of the rear cover 2 are respectively disposed corresponding to the positioning structure 1b, and the positioning structure 1b of the embodiment is a heat-melting column, and the heat-melting column 1b is matched with the positioning hole 2b.
  • the heat fusion further improves the degree of bonding of the back cover 2 to the outer casing 1.
  • the eight hot-melt columns 1b are closely combined with the back cover after being melted, and the pressure of the back cover 2 is effectively dispersed, the deformation of the back cover 2 is prevented, and the impact resistance of the product is improved, thereby ensuring the vibration performance of the vibration speaker is not improved.
  • the vibration speaker of the present invention is destroyed.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

L'invention concerne un haut-parleur à vibration, comprenant un boîtier, un couvercle arrière complémentaire du boîtier, un système de vibration et un système de circuit magnétique à l'intérieur du boîtier, et un bloc de masse fixé sur le système de circuit magnétique ; un orifice de sortie de son est disposé sur le boîtier à l'extrémité opposée du système de vibration ; le bloc de masse est pourvu d'une saillie à l'emplacement correspondant à l'orifice de sortie de son ; la projection de la saillie du bloc de masse sur le plan dans lequel l'orifice de sortie de son chevauche partiellement la sortie de son. La présente invention augmente la zone de contact de vibration entre le bloc de masse et l'écoulement d'air, ce qui permet d'améliorer l'intensité de vibration du haut-parleur à vibration et améliorer la performance des vibrations du haut-parleur à vibration. Le haut-parleur à vibration de la présente invention présente une bonne performance de vibration.
PCT/CN2015/094541 2015-05-13 2015-11-13 Haut-parleur à vibration Ceased WO2016179990A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510243943.1 2015-05-13
CN201510243943 2015-05-13

Publications (1)

Publication Number Publication Date
WO2016179990A1 true WO2016179990A1 (fr) 2016-11-17

Family

ID=57248419

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/094541 Ceased WO2016179990A1 (fr) 2015-05-13 2015-11-13 Haut-parleur à vibration

Country Status (1)

Country Link
WO (1) WO2016179990A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111405438A (zh) * 2020-04-22 2020-07-10 湖北冠音泰科技有限公司 一种振动发声装置
CN118574066A (zh) * 2024-08-01 2024-08-30 美特科技(苏州)有限公司 电子装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060256991A1 (en) * 2005-04-29 2006-11-16 Oxford William V Microphone and speaker arrangement in speakerphone
CN201204692Y (zh) * 2008-05-16 2009-03-04 瑞声声学科技(常州)有限公司 多功能发声器集成系统
CN202310059U (zh) * 2011-09-19 2012-07-04 深圳市朵唯志远科技有限公司 音响结构及应用该音响结构的电子装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060256991A1 (en) * 2005-04-29 2006-11-16 Oxford William V Microphone and speaker arrangement in speakerphone
CN201204692Y (zh) * 2008-05-16 2009-03-04 瑞声声学科技(常州)有限公司 多功能发声器集成系统
CN202310059U (zh) * 2011-09-19 2012-07-04 深圳市朵唯志远科技有限公司 音响结构及应用该音响结构的电子装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111405438A (zh) * 2020-04-22 2020-07-10 湖北冠音泰科技有限公司 一种振动发声装置
CN118574066A (zh) * 2024-08-01 2024-08-30 美特科技(苏州)有限公司 电子装置

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