WO2016169256A1 - 扬声器装置 - Google Patents

扬声器装置 Download PDF

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Publication number
WO2016169256A1
WO2016169256A1 PCT/CN2015/094674 CN2015094674W WO2016169256A1 WO 2016169256 A1 WO2016169256 A1 WO 2016169256A1 CN 2015094674 W CN2015094674 W CN 2015094674W WO 2016169256 A1 WO2016169256 A1 WO 2016169256A1
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WO
WIPO (PCT)
Prior art keywords
fixing portion
speaker device
pad
piece
disposed
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/CN2015/094674
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English (en)
French (fr)
Inventor
李淑刚
蔡晓东
张�成
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Goertek Inc
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Goertek Inc
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Filing date
Publication date
Application filed by Goertek Inc filed Critical Goertek Inc
Priority to US15/568,180 priority Critical patent/US10104466B2/en
Publication of WO2016169256A1 publication Critical patent/WO2016169256A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • 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
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2207/00—Details of diaphragms or cones for electromechanical transducers or their suspension covered by H04R7/00 but not provided for in H04R7/00 or in H04R2307/00
    • H04R2207/021—Diaphragm extensions, not necessarily integrally formed, e.g. skirts, rims, flanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/02—Transducers using more than one principle simultaneously
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/207—Shape aspects of the outer suspension of loudspeaker diaphragms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • 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
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction

Definitions

  • the invention relates to the field of electroacoustics, in particular to a speaker device with good acoustic performance and high integrated design.
  • Speaker devices as the main sounding unit of portable electronic terminals, directly affect the user experience of portable electronic devices.
  • Prior art speaker devices include vibration systems, magnetic circuit systems, and auxiliary systems.
  • the auxiliary system houses a fixed vibration system and a magnetic circuit system.
  • the vibration system includes a voice coil, a diaphragm and a centering piece.
  • the center of the centering piece is provided with a reinforcing portion;
  • the magnetic circuit system includes a magnet and a magnetic conductive member, and the magnetic circuit system A magnetic gap is provided, and the voice coil is disposed in the magnetic gap, and the current of the conductive voice coil in the magnetic field is changed by the Lorentz force to drive the diaphragm to vibrate.
  • the speaker device of this structure has a high-frequency frequency response curve that drops rapidly at a dozen K Hz, generates a high-frequency cutoff frequency, and cannot produce a higher-frequency sound wave with better acoustic quality. Due to the limitations of the materials and processes of the conventional speaker device, the high-frequency cutoff frequency is difficult to increase, and the mid-high frequency effect of the speaker device is hard to be significantly improved.
  • the technical problem to be solved by the present invention is to provide a high acoustic performance and integrated design. Good speaker device.
  • a speaker device includes a vibration system, a magnetic circuit system, and an auxiliary system for housing and fixing the magnetic circuit system and the vibration system, the vibration system including a diaphragm, a centering piece and a voice coil combined
  • the cardiac support piece includes a first fixing portion, a second fixing portion disposed in the first fixing portion, and a connecting arm connecting the first fixing portion and the second fixing portion, and the center of the second fixing portion a piezoelectric sheet is disposed at a position, the centering piece is provided with a first pad corresponding to the piezoelectric piece, the piezoelectric piece is electrically connected to the first pad; and the second fixing part is provided with an antenna line.
  • the first fixing portion is provided with a first external pad corresponding to the first pad, and the first external pad is electrically coupled to the first pad.
  • the second fixing portion is provided with a second pad corresponding to the voice coil, and the second pad is electrically connected to the voice coil.
  • the first fixing portion is provided with a second external pad corresponding to the second pad, and the second external pad is electrically coupled to the second pad.
  • the first fixing portion is provided with a third external pad, and the third external pad is electrically connected to the antenna line.
  • the first fixing portion is provided with an extension portion; one of the first outer pad, the second outer pad, and the third outer pad is disposed on the On the extension.
  • the antenna line is disposed on a side of the second fixing portion close to the diaphragm.
  • the piezoelectric sheet is disposed on a side of the second fixing portion away from the diaphragm.
  • the centering piece is provided with a conductive line
  • the first fixing part, the second fixing part and the connecting arm are all disposed with the conductive line.
  • the antenna line is disposed on the second fixing portion by laser direct molding.
  • the speaker device of the present invention uses a piezoelectric piece instead of the reinforcing portion of the conventional structure speaker device disposed at the center of the centering piece, and the piezoelectric piece can function as a reinforcing portion to improve the acoustic performance of the speaker device, and at the same time, press
  • the electric film can emit a medium-high frequency audio signal to supplement the audio signal of the voice coil-diaphal sound structure of the present invention.
  • the signal from the piezoelectric sheet is mixed with the audio signal from the voice coil-diaphragm, which effectively improves the mid-high frequency effect of the speaker device and improves the acoustic performance of the speaker device.
  • an antenna line is provided at a center position of the second fixing portion of the centering piece, and the antenna device and the sounding device are integrally combined, without increasing the thickness of the speaker device and facilitating the thin design of the speaker device.
  • the realization of the antenna function is conducive to the thin design and integrated design of the product.
  • the speaker device of the present invention has the advantages of good acoustic performance and high degree of integration.
  • FIG. 1 is an exploded view of a specific embodiment of a speaker device of the present invention
  • Figure 2 is a cross-sectional view of the speaker device of Figure 1;
  • Figure 3 is a side view of the centering piece shown in Figure 1;
  • Figure 4 is a schematic view of the other side of the centering piece shown in Figure 3.
  • a specific embodiment of the speaker device of the present invention includes a vibration system, a magnetic circuit system and an auxiliary system.
  • the auxiliary system includes a front cover 11 and a casing 12, and the front cover 11 and the outer casing 12 house a fixed vibration system and a magnetic circuit system.
  • the vibration system includes a diaphragm 4, a centering piece 3 and a voice coil 5 fixedly coupled to the diaphragm 4, and the magnetic circuit system includes a magnet and a magnetic field
  • the magnetic circuit system is provided with a magnetic gap, and the voice coil 5 is suspended in the magnetic gap.
  • the external electrical signal enters the voice coil 5, and the current change in the voice coil 5 disposed in the magnetic field causes the voice coil 5 to vibrate up and down by the Lorentz force, the voice coil 5 vibrates to vibrate the diaphragm 4, and the diaphragm 4 vibrates to mobilize the air. Sounds.
  • the centering piece 3 includes a first fixing portion 31, and a second fixing portion 32 disposed in the first fixing portion 31.
  • the first fixing portion 31 and the second fixing portion 32 pass.
  • the connecting arms 33 are connected.
  • the piezoelectric sheets 2a are disposed at the center of the second fixing portion 32 of the centering piece 3.
  • the piezoelectric sheet 2a is used as another sound source, and cooperates with a sound source composed of a voice coil-diaphragm, and the sound of the piezoelectric sheet 2a is high-frequency, and the sound of the sound coil-diaphal sound structure is good.
  • the signal is supplemented.
  • the signal from the piezoelectric sheet 2a is mixed with the audio signal from the voice coil-diaphragm, effectively improving the mid-high frequency effect of the speaker device and improving the acoustic performance of the speaker device.
  • an antenna line 2b is provided on the second fixing portion 32 of the speaker device of the present invention, so that the speaker device of the present invention has an antenna function.
  • the antenna line disposed on the second fixed portion of the centering piece does not occupy the space of the speaker device, which is advantageous for the thin design of the speaker device, and the antenna circuit enables the speaker device of the present invention to have a signal transmitting and receiving function, which is beneficial to the integrated design of the speaker device.
  • the antenna line since the antenna line is designed on the speaker centering piece and located inside the speaker, the antenna line can be protected, and the antenna line disposed outside the speaker device is prevented from being damaged during the speaker production application, and the antenna line is improved. reliability.
  • the second fixing portion 32 of the centering piece 3 is provided with a set of first pads 32a, and the first pads 32a are electrically connected to the piezoelectric sheets; the first fixing portions 31 correspond to the first pads 32a.
  • a set of first external pads 31a are provided, and the first external pads 31a are electrically coupled to the first pads 32a.
  • the second fixing portion 32 of the centering piece 3 is provided with a set of second pads 32b, and the second pads 32b are provided corresponding to the voice coils and welded to the voice coil leads.
  • a corresponding second pad 32b on the first fixing portion 31 is provided with a set of second external pads 31b, and a second external pad 31b is electrically connected to the second pad 32b.
  • the first fixing portion 31 is provided with a set of third external pads 31c, and the third external pads 31c are electrically connected to the antenna line 2b.
  • the first fixing portion 31 of the centering piece 3 of the speaker device of the present invention is provided with an extending portion 31', and the centering piece 3 of the present embodiment is provided on the extending portion 31'.
  • the second external pad 31b or the third external pad 31c may be disposed on the extending portion 31', which does not affect the advantages of the speaker device of the present invention.
  • the external pads on the extension portion 31' can simplify the circuit design of the speaker device of the present invention and reduce the production difficulty of the speaker device. As shown in FIG. 3 and FIG.
  • the centering piece has a square structure, and the remaining two sets of external pads are respectively disposed at the four corners of the first fixing portion 31 of the centering piece of the square structure.
  • the three sets of external pads do not interfere with each other, which facilitates the pad derivation and is combined with an external circuit.
  • the antenna line 2b is disposed on the side of the second fixing portion 32 near the diaphragm (on the same side as the second pad 32b, and the second pad 32b is welded to the voice coil, close to the sound).
  • the side of the ring is disposed, that is, disposed near the side of the diaphragm; as shown in FIG. 2, the piezoelectric piece 2a is disposed on the side of the second fixing portion 32 away from the diaphragm, and the speaker device thus designed is centered on the supporting piece 3.
  • the circuits do not interfere with each other, simplifying the circuit design on the centering piece 3, reducing the design difficulty of the centering piece 3, and simplifying the production difficulty of the speaker device.
  • the centering piece of the embodiment is provided with a conductive line, which may be a flexible conductive circuit board structure, and the first fixing portion 31, the second fixing portion 32 and the connecting arm 33 are respectively provided with Conductive lines to ensure that the piezoelectric, antenna, and voice coils are electrically connected to external circuitry.
  • a conductive line which may be a flexible conductive circuit board structure
  • the first fixing portion 31, the second fixing portion 32 and the connecting arm 33 are respectively provided with Conductive lines to ensure that the piezoelectric, antenna, and voice coils are electrically connected to external circuitry.
  • the antenna line can be disposed on the second fixing portion by laser direct structuring (LDS) to reduce the circuit design of the second fixing portion itself, and simplify the design difficulty and production difficulty of the second fixed portion circuit.
  • LDS laser direct structuring
  • the piezoelectric piece functions as an independent sounding unit, and can emit an intermediate-high frequency audio signal to supplement the audio signal of the voice coil-diaphal sounding structure.
  • the signal from the piezoelectric piece is mixed with the audio signal from the voice coil-diaphragm to effectively enhance the sound
  • the mid-high frequency effect of the device increases the acoustic performance of the speaker device.
  • an antenna line is arranged at a central position of the second fixing portion of the centering piece, and the antenna device and the sounding device are integrally combined, and the antenna function is realized without increasing the thickness of the speaker device and facilitating the thin design of the speaker device, thereby facilitating the antenna function. Thin design and integrated design of the product. Therefore, the speaker device of the present invention has the advantages of good acoustic performance, high integrated design, and versatility.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

本发明公开了一种扬声器装置，包括振动系统，磁路系统以及收容固定所述磁路系统及振动系统的辅助系统，所述振动系统包括定心支片，所述定心支片包括第一固定部、设置于所述第一固定部内的第二固定部以及连接所述第一固定部及所述第二固定部的连接臂，并且：所述第二固定部中心位置设置有压电片，所述定心支片对应所述压电片设置有第一焊盘，所述压电片与所述第一焊盘电连接；所述第二固定部设置有天线线路。本发明扬声器装置，压电片发出的信号有效提高扬声器装置的中高频效果，提高扬声器装置的声学性能；天线线路将天线装置与扬声器装置一体结合；本发明扬声器装置具有声学性能好，集成化设计高，功能多的优点。

Description

扬声器装置 技术领域
本发明涉及电声领域，尤其是涉及一种声学性能好，集成化设计高的扬声器装置。
背景技术
随着科学技术的发展，便携式电子装置受到人们的广泛关注，扬声器装置作为便携式电子终端主要的发声单元，直接影响着便携式电子装置的用户体验。
现有技术的扬声器装置，包括振动系统，磁路系统和辅助系统。辅助系统收容固定振动系统和磁路系统，振动系统包括音圈、振膜和定心支片，定心支片中心位置设置有补强部；磁路系统包括磁铁和导磁件，磁路系统设置有磁间隙，音圈设置于磁间隙内，利用导电音圈在磁场内的电流变化而受到洛仑兹力振动，带动振膜振动发声。该结构的扬声器装置，其高频频率响应曲线在十几K赫兹会出现快速下跌，产生高频截止频率，无法产生声学质量较好的更高频率的声波。由于传统扬声器装置材料和工艺的限制，其高频截止频率很难提升，扬声器装置的中高频效果也很难获得明显提升。
并且，随着便携式电子装置越来越薄，其内部电子部件的集成化设计成为设计趋势，传统的单一功能的扬声器装置不再满足新型便携式电子装置的要求。
因此，有必要提出一种改进的扬声器装置，以克服现有技术扬声器装置的缺陷。
发明内容
本发明所要解决的技术问题是提供一种声学性能高，集成化设计 好的扬声器装置。
为了实现上述目的，本发明采用以下技术方案：
一种扬声器装置，包括振动系统，磁路系统以及收容固定所述磁路系统及振动系统的辅助系统，所述振动系统包括结合在一起的振膜、定心支片及音圈，所述定心支片包括第一固定部、设置于所述第一固定部内的第二固定部以及连接所述第一固定部及所述第二固定部的连接臂，并且：所述第二固定部中心位置设置有压电片，所述定心支片对应所述压电片设置有第一焊盘，所述压电片与所述第一焊盘电连接；所述第二固定部设置有天线线路。
作为一种优选的技术方案，所述第一固定部对应所述第一焊盘设置有第一外部焊盘，所述第一外部焊盘与所述第一焊盘电结合。
作为进一步优选的技术方案，所述第二固定部对应所述音圈设置有第二焊盘，所述第二焊盘与所述音圈电连接。
作为再进一步优选的技术方案，所述第一固定部对应所述第二焊盘设置有第二外部焊盘，所述第二外部焊盘与所述第二焊盘电结合。
作为还进一步优选的技术方案，所述第一固定部上设置有第三外部焊盘，所述第三外部焊盘与所述天线线路电连接。
作为更进一步优选的技术方案，所述第一固定部上设置有延伸部；所述第一外部焊盘、所述第二外部焊盘以及所述第三外部焊盘中的一个设置于所述延伸部上。
作为一种优选的技术方案，所述天线线路设置于所述第二固定部靠近所述振膜一侧。
作为进一步优选的技术方案，所述压电片设置于所述第二固定部远离所述振膜一侧。
作为一种优选的技术方案，所述定心支片设置有导电线路，所述第一固定部、所述第二固定部以及所述连接臂位置均设置有所述导电线路。
作为一种优选的技术方案，所述天线线路通过激光直接成型设置于所述第二固定部。
本发明的扬声器装置，采用压电片代替传统结构扬声器装置设置于定心支片中心位置的补强部，压电片可以起到补强部的作用，提高扬声器装置的声学性能，同时，压电片作为一个独立的发声单元，可以发出中高频的音频信号，对本发明音圈—振膜发声结构的音频信号产生补充。压电片发出的信号与音圈—振膜发出的音频信号混合，有效提高扬声器装置的中高频效果，提高扬声器装置的声学性能。并且，本发明的扬声器装置，在定心支片第二固定部的中心位置设置天线线路，将天线装置与发声装置一体结合，在不增加扬声器装置厚度、有利于扬声器装置薄型化设计的前提下，实现天线功能，有利于产品的薄型化设计和集成化设计。
因此，本发明扬声器装置具有声学性能好，集成化程度高的优点。
附图说明
图1为本发明扬声器装置具体实施方式分解图；
图2为图1所示扬声器装置剖视图；
图3为图1所示定心支片一侧示意图；
图4为图3所示定心支片另一侧示意图。
具体实施方式
下面结合附图，详细说明本发明内容：
如图1和图2所示，本发明扬声器装置的具体实施方式，包括振动系统，磁路系统和辅助系统。辅助系统包括前盖11和外壳12，前盖11和外壳12收容固定振动系统和磁路系统。振动系统包括振膜4，与振膜4固定结合的定心支片3和音圈5，磁路系统包括磁铁和导磁 件，如图2所示，磁路系统设置有磁间隙，音圈5悬设于所述磁间隙内。外部电信号进入到音圈5内，设置于磁场内的音圈5内电流变化使音圈5受到洛仑兹力而上下振动，音圈5振动带动振膜4振动，振膜4振动策动空气发声。
如图3所示，本发明扬声器装置，定心支片3包括第一固定部31，设置于第一固定部31内的第二固定部32，第一固定部31和第二固定部32通过连接臂33连接，如图1及图2所示，定心支片3的第二固定部32中心位置设置有压电片2a。本发明压电扬声器，压电片2a作为另一个发声源，与音圈—振膜组成的发声源配合，压电片2a发出的声音高频效果好，对音圈—振膜发声结构的音频信号产生补充。压电片2a发出的信号与音圈—振膜发出的音频信号混合，有效提高扬声器装置的中高频效果，提高扬声器装置的声学性能。如图4所示，本发明扬声器装置第二固定部32上设置有天线线路2b，从而使本发明扬声器装置具有天线功能。设置于定心支片第二固定部上的天线线路，不占用扬声器装置的空间，有利于扬声器装置薄型化设计，天线线路使本发明扬声器装置具有信号收发功能，有利于扬声器装置的集成化设计，同时，由于天线线路设计于扬声器定心支片上，位于扬声器内部，还可以对天线线路进行保护，避免了设置于扬声器装置外部的天线线路在扬声器生产应用过程中受到破坏，提高了天线线路的可靠性。
如图3所示，定心支片3的第二固定部32上设置有一组第一焊盘32a，第一焊盘32a与压电片电连接；第一固定部31对应第一焊盘32a设置有一组第一外部焊盘31a，第一外部焊盘31a与第一焊盘32a电结合。
如图4所示，定心支片3的第二固定部32上设置有一组第二焊盘32b，第二焊盘32b对应音圈设置，与音圈引线焊接。第一固定部31上对应第二焊盘32b设置有一组第二外部焊盘31b，第二外部焊盘 31b与第二焊盘32b电连接。如图4所示，第一固定部31上设置有一组第三外部焊盘31c，第三外部焊盘31c与天线线路2b电连接。
如图3及图4所示，本发明扬声器装置的定心支片3的第一固定部31上，设置有延伸部31’，本实施例的定心支片3，延伸部31’上设置有第一外部焊盘31a，在实际应用过程中，延伸部31’上还可以设置第二外部焊盘31b或者第三外部焊盘31c，均不影响本发明扬声器装置优点体现。延伸部31’上的外部焊盘，可以简化本发明扬声器装置的电路设计，降低扬声器装置的生产难度。如图3及图4所示，本发明的扬声器装置，定心支片为方形结构，剩余的两组外部焊盘分别设置于方形结构的定心支片第一固定部31的四个角部，三组外部焊盘相互不干扰，有利于焊盘导出，与外部电路结合。
如图4所示，本实施例的扬声器装置，天线线路2b设置于第二固定部32靠近振膜一侧(与第二焊盘32b同侧，第二焊盘32b与音圈焊接，靠近音圈一侧设置，也即靠近振膜一侧设置)；如图2所示，压电片2a设置于第二固定部32远离振膜一侧，这样设计的扬声器装置，定心支片3上的电路相互不干扰，简化了定心支片3上的电路设计，降低了定心支片3的设计难度，简化了扬声器装置的生产难度。
如图3及图4所示，本实施例的定心支片，设置有导电线路，可以为柔性导电线路板结构，第一固定部31、第二固定部32及连接臂33上均设置有导电线路，以保证将压电片、天线线路以及音圈与外部电路电连接。
在实际应用过程中，天线线路可以采用激光直接成型(LDS)设置于第二固定部，以减少第二固定部本身的电路设计，简化第二固定部电路设计难度和生产难度。
本发明的扬声器装置，压电片作为一个独立的发声单元，可以发出中高频的音频信号，对音圈—振膜发声结构的音频信号产生补充。压电片发出的信号与音圈—振膜发出的音频信号混合，有效提高扬声 器装置的中高频效果，提高扬声器装置的声学性能。并且在定心支片第二固定部的中心位置设置天线线路，将天线装置与发声装置一体结合，在不增加扬声器装置厚度、有利于扬声器装置薄型化设计的前提下，实现天线功能，有利于产品的薄型化设计和集成化设计。因此，本发明扬声器装置具有声学性能好，集成化设计高，多功能的优点。
以上仅为本发明实施案例而已，并不用于限制本发明，但凡本领域普通技术人员根据本发明所揭示内容所作的等效修饰或变化，皆应纳入权利要求书中记载的保护范围内。

Claims (10)

  1. 一种扬声器装置，包括振动系统，磁路系统以及收容固定所述磁路系统及振动系统的辅助系统，所述振动系统包括结合在一起的振膜、定心支片及音圈，所述定心支片包括第一固定部、设置于所述第一固定部内的第二固定部以及连接所述第一固定部及所述第二固定部的连接臂，其特征在于：所述第二固定部中心位置设置有压电片，所述定心支片对应所述压电片设置有第一焊盘，所述压电片与所述第一焊盘电连接；所述第二固定部设置有天线线路。
  2. 根据权利要求1所述的扬声器装置，其特征在于：所述第一固定部对应所述第一焊盘设置有第一外部焊盘，所述第一外部焊盘与所述第一焊盘电结合。
  3. 根据权利要求2所述的扬声器装置，其特征在于：所述第二固定部对应所述音圈设置有第二焊盘，所述第二焊盘与所述音圈电连接。
  4. 根据权利要求3所述的扬声器装置，其特征在于：所述第一固定部对应所述第二焊盘设置有第二外部焊盘，所述第二外部焊盘与所述第二焊盘电结合。
  5. 根据权利要求4所述的扬声器装置，其特征在于：所述第一固定部上设置有第三外部焊盘，所述第三外部焊盘与所述天线线路电连接。
  6. 根据权利要求5所述的扬声器装置，其特征在于：所述第一固定部上设置有延伸部；所述第一外部焊盘、所述第二外部焊盘以及所述第三外部焊盘中的一个设置于所述延伸部上。
  7. 根据权利要求1或5所述的扬声器装置，其特征在于：所述天线线路设置于所述第二固定部靠近所述振膜一侧。
  8. 根据权利要求7所述的扬声器装置，其特征在于：所述压电片设置于所述第二固定部远离所述振膜一侧。
  9. 根据权利要求5所述的扬声器装置，其特征在于：所述定心支片设置有导电线路，所述第一固定部、所述第二固定部以及所述连接 臂位置均设置有所述导电线路。
  10. 根据权利要求1所述的扬声器装置，其特征在于：所述天线线路通过激光直接成型设置于所述第二固定部。
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CN115720321B (zh) * 2022-11-29 2025-07-15 维沃移动通信有限公司 扬声器、检测方法、装置及电子设备

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