WO2022110506A1 - 发声器件 - Google Patents

发声器件 Download PDF

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Publication number
WO2022110506A1
WO2022110506A1 PCT/CN2020/142361 CN2020142361W WO2022110506A1 WO 2022110506 A1 WO2022110506 A1 WO 2022110506A1 CN 2020142361 W CN2020142361 W CN 2020142361W WO 2022110506 A1 WO2022110506 A1 WO 2022110506A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
yoke
diaphragm
magnetic yoke
sound
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/CN2020/142361
Other languages
English (en)
French (fr)
Inventor
宋威
金鑫
钟志威
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.)
AAC Technologies Holdings Shenzhen Co Ltd
AAC Technologies Pte Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
AAC Technologies Pte Ltd
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 AAC Acoustic Technologies Shenzhen Co Ltd, AAC Technologies Pte Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Publication of WO2022110506A1 publication Critical patent/WO2022110506A1/zh
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
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006—Interconnection of transducer parts
    • 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
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • 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
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Definitions

  • the utility model relates to the field of sound and electricity, in particular to a sound producing device.
  • a related art sound-generating device includes a basin frame, a vibration system fixed on the basin frame, and a magnetic circuit system that drives the vibration system to vibrate and emit sound and has a magnetic gap;
  • the vibration system includes a vibrating membrane, which is inserted into the magnetic gap to A voice coil for driving the diaphragm to vibrate,
  • the vibration system includes a magnetic bowl and a magnetic steel component fixed inside the magnetic bowl and spaced from the magnetic bowl to form the magnetic gap, the magnetic bowl is fixed on the pot rack.
  • the fact that the magnetic bowl is fixed to the basin frame may cause structural interference between the magnetic bowl and other components, resulting in poor reliability of the sound-emitting device.
  • the purpose of the utility model is to provide a sound device with better reliability.
  • the present utility model provides a sounding device, which includes a positioning bracket, a vibration system respectively fixed to the positioning bracket and a magnetic circuit system that drives the vibration system to vibrate and sound, and the vibration system includes The diaphragm of the positioning bracket and the voice coil that drives the diaphragm to vibrate,
  • the magnetic circuit system includes a magnetic yoke, a main magnetic steel assembly fixedly arranged on the magnetic yoke, and a secondary magnetic steel disposed on opposite sides of the main magnetic steel assembly and spaced from the main magnetic steel assembly to form a magnetic gap Steel assembly, the voice coil is inserted into the magnetic gap;
  • the magnetic yoke includes a magnetic yoke body, a magnetic yoke extension wall formed by extending from opposite sides of the magnetic yoke body, and another opposite side of the magnetic yoke body Both sides are close to the side walls of the yoke that are bent and extended by the vibrating membrane, the auxiliary magnetic steel assembly is fixedly arranged on the extension wall of the magnetic yoke, and the main magnetic steel assembly is sequentially connected with the auxiliary magnetic steel assembly, the yoke sidewalls are spaced apart to form the magnetic gap;
  • the positioning bracket is made of a metal material, and the side of the auxiliary magnetic steel assembly away from the magnetic yoke is fixed to the positioning bracket by laser spot welding.
  • the extension wall of the magnetic yoke is formed to extend perpendicular to the vibration direction of the vibration system.
  • the positioning bracket includes a positioning bracket body and a positioning groove formed by a side of the positioning bracket body that is close to the magnetic circuit system and is recessed toward the vibrating membrane.
  • the positioning groove is connected to the auxiliary magnetic steel
  • the components are in one-to-one correspondence, and one end of the secondary magnetic steel component away from the extension wall of the yoke is accommodated in the positioning groove and fixed to the bottom surface of the positioning groove by laser spot welding.
  • the positioning bracket is rectangular, and includes two oppositely arranged long-axis sides and two oppositely arranged short-axis sides, the positioning grooves are arranged on the long-axis sides, and the vibration system further comprises a The skeleton on the side of the diaphragm close to the magnetic circuit system and the auxiliary diaphragm assembly, the voice coil is fixed to the diaphragm through the skeleton; one end of the auxiliary diaphragm assembly is fixed to the side of the short axis On one side away from the diaphragm, the other end elastically supports the frame.
  • the positioning bracket body comprises an annular first side wall forming the positioning groove, a first side wall which is bent and extended in a direction close to the magnetic yoke from the position where the positioning groove is provided by the first side wall.
  • Two bottom walls and a third bottom wall bent and extended from the inner side of the first side wall toward the magnetic yoke, extending from opposite ends of the second bottom wall to the third bottom wall respectively and connected a fourth inclined wall to the third bottom wall; the distance between the second bottom wall and the yoke body is greater than the distance between the third bottom wall and the yoke body, and the second bottom wall
  • the wall and the two adjacent fourth inclined walls enclose the positioning groove, and one end of the auxiliary magnetic steel assembly away from the extension wall of the yoke is fixed to the second bottom wall by laser spot welding;
  • the three bottom walls are disposed correspondingly to the auxiliary diaphragm assembly, and the auxiliary diaphragm assembly is fixed to the third bottom wall.
  • the auxiliary diaphragm assembly includes an elastic conductive member fixed on the side of the short axis and an auxiliary diaphragm attached to the side of the elastic conductive member away from the diaphragm.
  • the elastic conductive member includes an elastic conductive fixing portion extending in a direction close to the vibrating membrane, and the lead wire of the voice coil is fixed to the elastic conductive fixing portion.
  • the frame includes a first frame for connecting the diaphragm and the voice coil, and the first frame includes a plurality of frames and is spaced apart from each other to form an air gap.
  • the side of the secondary magnetic steel assembly close to the vibrating membrane is provided with a recessed recess in the direction of approaching the magnetic yoke.
  • the magnetic circuit system includes a magnetic yoke, a main magnetic steel assembly fixedly arranged on the magnetic yoke, and a main magnetic steel assembly disposed on opposite sides of the main magnetic steel assembly and connected with the magnetic yoke.
  • the main magnetic steel components are spaced apart to form secondary magnetic steel components of a magnetic gap, and the voice coil is inserted into the magnetic gap;
  • the magnetic yoke includes a magnetic yoke body, a magnetic yoke body extending from opposite sides of the magnetic yoke body
  • the extension wall of the magnetic yoke and the other opposite sides of the yoke body are close to the side walls of the magnetic yoke that are bent and extended by the diaphragm, and the auxiliary magnetic steel assembly is fixedly arranged on the extension wall of the magnetic yoke.
  • the main magnetic steel assembly is spaced from the auxiliary magnetic steel assembly and the side wall of the magnetic yoke in order to form the magnetic gap;
  • the positioning bracket is made of metal material, and the auxiliary magnetic steel assembly is away from the side of the magnetic yoke It is fixed with the positioning bracket by laser spot welding; with this structure, the yoke keeps a circle around the voice coil without giving way, and the performance is optimized; the auxiliary magnetic steel component and the positioning bracket are fixed by laser spot welding, with good reliability, and at the same time the magnetic circuit The positioning of the system in all directions is guaranteed.
  • the concentricity of the magnetic circuit system does not need to be limited by the accuracy of the parts, and better product consistency can be obtained; at the same time, the positioning bracket is made of metal materials, mechanically The strength is better, and it is not easy to be deformed or damaged.
  • Fig. 1 is the stereo structure schematic diagram of the sound-emitting device of the present invention
  • Fig. 2 is the three-dimensional structure exploded schematic diagram of the sound-emitting device of the present invention
  • FIG. 3 is a cross-sectional view of the sound-emitting device of the present invention.
  • Fig. 4 is the assembly schematic diagram of the magnetic circuit system and the positioning bracket of the present invention.
  • FIG. 5 is a cross-sectional view of the sound-emitting device of the present invention from another perspective.
  • the present invention provides a sound-generating device 100, the sound-generating device 100 includes a positioning bracket 1, a vibration system 2 respectively fixed to the positioning bracket 1 and used for vibrating sound and driving the vibration
  • the system 2 vibrates a sound-producing magnetic circuit system 3
  • the vibration system 2 includes a vibrating and sound-producing diaphragm 21
  • the magnetic circuit system 3 has a magnetic gap 30 .
  • the positioning bracket 1 is made of metal material, which has better mechanical strength and is not easily deformed or damaged.
  • the positioning bracket 1 includes a positioning bracket body 11 for supporting and fixing the diaphragm 21 , and a positioning bracket formed by a side of the positioning bracket body 11 close to the magnetic circuit system 3 that is recessed toward the diaphragm 21 .
  • the positioning bracket 1 is rectangular, and includes two oppositely arranged long axis sides 1b and two oppositely arranged short axis sides 1a, and two positioning grooves 12 are arranged corresponding to the two long axis sides respectively. on edge 1b.
  • the positioning bracket body 11 includes an annular first side wall 111 forming the positioning groove 12 , and the first side wall 111 sets the position of the positioning groove 12 toward the magnetic yoke 31 .
  • the second bottom wall 112 bent and extended in the direction and the third bottom wall 113 bent and extended from the inner side of the first side wall 111 to the direction of the yoke 31 , opposite ends of the second bottom wall 112
  • the fourth inclined walls 114 extending toward the third bottom wall 113 and connected to the third bottom wall 113 respectively; the second bottom wall 112 and two adjacent fourth inclined walls 114 are enclosed
  • the positioning groove 12 is described.
  • the vibration system 2 includes a diaphragm 21 fixed on the side of the positioning bracket 1 away from the magnetic circuit system 3 , a frame 22 fixed on the side of the diaphragm 21 close to the magnetic circuit system 3 ,
  • the voice coil 23 and the auxiliary diaphragm assembly 245 are inserted into the magnetic gap 30 , the voice coil 23 is fixed to the diaphragm 21 through the frame 22 ; one end of the auxiliary diaphragm assembly 245 is fixed to the The side of the short axis 1 a is away from the side of the diaphragm 21 , and the other end of the side 1 a elastically supports the frame 22 .
  • the auxiliary diaphragm assembly 245 is disposed correspondingly to the third bottom wall 113 , and the auxiliary diaphragm assembly 245 is fixed on the third bottom wall 113 ; the auxiliary diaphragm assembly 245 includes a fixing bracket 1
  • the elastic conductive member 24 on the side of the short axis side 1a away from the diaphragm 21 and the auxiliary diaphragm 25 attached to the elastic conductive member 24 on the side away from the diaphragm 21, the elastic conductive member 24 includes a Close to the elastic conductive fixing portion 241 extending in the direction of the diaphragm 21, the lead wire of the voice coil 23 is fixed to the elastic conductive fixing portion 241, that is, through this structure, the voice coil 23 can be routed from above, so that the The yoke 31 below does not need to make a space for the voice coil 23 to exit the wire, and the yoke side wall 313 can surround the main magnetic steel assembly 32 to achieve better magnetic conductivity.
  • the voice coil 23 is fixed on the end of the frame 22 away from the diaphragm 21 to drive the diaphragm 21 to vibrate and produce sound.
  • the frame 22 includes a structure for connecting the diaphragm 21 and the voice coil.
  • the first frame 221 of 23 , the first frame 221 includes a plurality of and spaced apart from each other to form the air gap 220 , that is, the adoption of this structure is beneficial to the air circulation inside the sounding device 100 .
  • the magnetic circuit system 3 includes a magnetic yoke 31 , a main magnetic steel assembly 32 fixedly arranged on the magnetic yoke 31 , and a main magnetic steel assembly 32 disposed on opposite sides of the main magnetic steel assembly 32 and connected to the main magnetic steel assembly 32 .
  • a secondary magnetic steel component 33 forming a magnetic gap 30 is spaced apart; the side of the secondary magnetic steel component 33 away from the magnetic yoke 31 is fixed to the positioning bracket 1 by laser spot welding.
  • the secondary magnetic steel assembly 33 and the positioning bracket 1 are fixed by laser spot welding, and the reliability is good. At the same time, the positioning of the magnetic circuit system 3 in all directions is guaranteed. With high-precision assembly methods such as image recognition, the concentricity of the magnetic circuit system 3 is guaranteed. Get better product consistency without being limited by part accuracy.
  • the side of the secondary magnetic steel assembly 33 close to the vibrating membrane 21 is provided with an escape groove 331 recessed toward the magnetic yoke 31; that is, this structure can provide an escape structure for the vibrating membrane 21, This prevents structural interference with the secondary magnetic steel assembly 33 when the diaphragm 21 vibrates.
  • the magnetic yoke 31 includes a magnetic yoke body 311 , a magnetic yoke extension wall 312 extending from two opposite sides of the magnetic yoke main body 311 , and the other opposite two sides of the magnetic yoke main body 311 .
  • the yoke sidewall 313 of the vibrating membrane 21 is bent and extended.
  • the auxiliary magnetic steel assembly 33 is fixedly arranged on the extension wall 312 of the magnetic yoke.
  • the main magnetic steel assembly 32 is connected to the auxiliary magnetic steel assembly 33 in sequence. .
  • the magnetic gap 30 is formed by the sidewalls 313 of the magnetic yoke.
  • the yoke 31 keeps a circle around the voice coil 23 without giving way, and the performance is optimized;
  • the extension wall 312 of the magnetic yoke is formed to extend perpendicular to the vibration direction of the vibration system 2 .
  • the positioning grooves 12 are in one-to-one correspondence with the secondary magnetic steel components 33 .
  • the end of the secondary magnetic steel components 33 away from the yoke extension wall 312 is accommodated in the positioning grooves 12 and fixed to the positioning grooves by laser spot welding.
  • One end of the yoke extension wall 312 is fixed to the second bottom wall 112 by laser spot welding.
  • the structural layout of the sounding device 100 is more reasonable.
  • the secondary magnetic steel assembly 33 is accommodated in the positioning groove 12, and the elastic conductive member 24 is fixed on the short axis side 1a of the positioning bracket 1, and the space utilization rate is more efficient. high.
  • the magnetic circuit system includes a magnetic yoke, a main magnetic steel assembly fixedly arranged on the magnetic yoke, and a main magnetic steel assembly disposed on opposite sides of the main magnetic steel assembly and connected with the magnetic yoke.
  • the main magnetic steel components are spaced apart to form secondary magnetic steel components of a magnetic gap, and the voice coil is inserted into the magnetic gap;
  • the magnetic yoke includes a magnetic yoke body, a magnetic yoke body extending from opposite sides of the magnetic yoke body
  • the extension wall of the magnetic yoke and the other opposite sides of the yoke body are close to the side walls of the magnetic yoke that are bent and extended by the diaphragm, and the auxiliary magnetic steel assembly is fixedly arranged on the extension wall of the magnetic yoke.
  • the main magnetic steel assembly is spaced from the auxiliary magnetic steel assembly and the side wall of the magnetic yoke in order to form the magnetic gap;
  • the positioning bracket is made of metal material, and the auxiliary magnetic steel assembly is away from the side of the magnetic yoke It is fixed with the positioning bracket by laser spot welding; with this structure, the yoke keeps a circle around the voice coil without giving way, and the performance is optimized; the auxiliary magnetic steel component and the positioning bracket are fixed by laser spot welding, with good reliability, and at the same time the magnetic circuit The positioning of the system in all directions is guaranteed.
  • the concentricity of the magnetic circuit system does not need to be limited by the accuracy of the parts, and better product consistency can be obtained; at the same time, the positioning bracket is made of metal materials, mechanically The strength is better, and it is not easy to be deformed or damaged.
  • the present invention provides an embodiment of the present invention as described above, which is not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and accompanying drawings of the present invention, or Directly or indirectly used in other related technical fields are all included in the scope of patent protection of the present invention.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

本实用新型提供了一种发声器件，其包括定位支架、分别固定于定位支架的振动系统和驱动振动系统振动发声的磁路系统，振动系统包括固定于定位支架的振膜和驱动振膜振动的音圈，磁路系统包括磁轭、固定设置于磁轭上的主磁钢组件以及设置于主磁钢组件的相对两侧的副磁钢组件；磁轭包括磁轭本体、由磁轭本体的相对两侧延伸形成的磁轭延伸壁以及磁轭本体的另外相对两侧向靠近振膜弯折延伸的磁轭侧壁，副磁钢组件固定设置于磁轭延伸壁之上，主磁钢组件依次与副磁钢组件、磁轭侧壁间隔形成磁间隙；定位支架由金属材料制成，副磁钢组件远离磁轭的一侧与定位支架激光点焊固定。与相关技术相比，本实用新型的发声器件可靠性更好。

Description

发声器件 技术领域
本实用新型涉及声电领域，尤其涉及一种发声器件。
 背景技术
随着互联网时代的到来，移动终端设备的数量不断上升。而在移动设备中，手机无疑是最常见且最便携的移动终端设备。用于播放音乐等声音的发声器件被大量的运用到手机等移动终端设备中，而发声器件中的振动系统尤为重要，整个发声器件通过所述振动系统振动发声。
相关技术发声器件包括盆架、固定于所述盆架的振动系统以及驱动所述振动系统振动发声且具有磁间隙的磁路系统；所述振动系统包括振膜、插设于所述磁间隙以驱动所述振膜振动的音圈，所述振动系统包括磁碗以及固定于所述磁碗内部且与所述磁碗间隔形成所述磁间隙的磁钢组件，所述磁碗固定于所述盆架。
然而，所述磁碗与所述盆架固定，可能会导致所述磁碗与其他部件产生结构干涉，导致发声器件的可靠性较差。
因此，有必要提供一种新的发声器件解决上述问题。
 技术问题
本实用新型的目的在于提供一种可靠性更好的发声器件。
 技术解决方案
为达到上述目的，本实用新型提供一种发声器件，其包括定位支架、分别固定于所述定位支架的振动系统和驱动所述振动系统振动发声的磁路系统，所述振动系统包括固定于所述定位支架的振膜和驱动所述振膜振动的音圈，
所述磁路系统包括磁轭、固定设置于所述磁轭上的主磁钢组件以及设置于所述主磁钢组件的相对两侧并与所述主磁钢组件间隔形成磁间隙的副磁钢组件，所述音圈插设于所述磁间隙；所述磁轭包括磁轭本体、由所述磁轭本体的相对两侧延伸形成的磁轭延伸壁以及所述磁轭本体的另外相对两侧向靠近所述振膜弯折延伸的磁轭侧壁，所述副磁钢组件固定设置于所述磁轭延伸壁之上，所述主磁钢组件依次与所述副磁钢组件、所述磁轭侧壁间隔形成所述磁间隙；
所述定位支架由金属材料制成，所述副磁钢组件远离所述磁轭的一侧与所述定位支架激光点焊固定。
优选的，所述磁轭延伸壁沿垂直于所述振动系统的振动方向延伸形成。
优选的，所述定位支架包括定位支架本体以及由所述定位支架本体靠近所述磁路系统的一侧向靠近所述振膜方向凹陷形成的定位槽，所述定位槽与所述副磁钢组件一一对应，所述副磁钢组件远离所述磁轭延伸壁的一端收容于所述定位槽并激光点焊固定于所述定位槽的底面。
优选的，所述定位支架呈矩形，其包括两个相对设置的长轴边和两个相对设置的短轴边，所述定位槽设置于所述长轴边，所述振动系统还包括固定于所述振膜靠近所述磁路系统一侧的骨架以及辅助振膜组件，所述音圈通过所述骨架固定于所述振膜；所述辅助振膜组件的一端固定于所述短轴边远离所述振膜一侧，其另一端弹性支撑所述骨架。
优选的，所述定位支架本体包括形成所述定位槽的呈环状的第一侧壁、由所述第一侧壁设置所述定位槽的位置向靠近所述磁轭方向弯折延伸的第二底壁和由所述第一侧壁内侧向靠近所述磁轭方向弯折延伸的第三底壁、自所述第二底壁的相对两端分别向所述第三底壁延伸并连接至所述第三底壁的第四倾斜壁；所述第二底壁与所述磁轭本体的间隔距离大于所述第三底壁与所述磁轭本体的间隔距离，所述第二底壁与相邻的两个所述第四倾斜壁围成所述定位槽，所述副磁钢组件远离所述磁轭延伸壁的一端激光点焊固定于所述第二底壁；所述第三底壁与所述辅助振膜组件对应设置，所述辅助振膜组件固定于所述第三底壁。
优选的，所述辅助振膜组件包括固定于所述短轴边的弹性导电件以及贴设于所述弹性导电件远离所述振膜一侧的辅助振膜。
优选的，所述弹性导电件包括向靠近所述振膜方向延伸的弹性导电固定部，所述音圈的引线固定于所述弹性导电固定部。
优选的，所述骨架包括用于连接所述振膜和所述音圈的第一骨架，所述第一骨架包括多个且相互间隔以形成空气间隙。
优选的，所述副磁钢组件靠近所述振膜的一侧设有向靠近所述磁轭方向凹陷的让位槽。
 有益效果
与相关技术相比，本实用新型的发声器件，所述磁路系统包括磁轭、固定设置于所述磁轭上的主磁钢组件以及设置于所述主磁钢组件的相对两侧并与所述主磁钢组件间隔形成磁间隙的副磁钢组件，所述音圈插设于所述磁间隙；所述磁轭包括磁轭本体、由所述磁轭本体的相对两侧延伸形成的磁轭延伸壁以及所述磁轭本体的另外相对两侧向靠近所述振膜弯折延伸的磁轭侧壁，所述副磁钢组件固定设置于所述磁轭延伸壁之上，所述主磁钢组件依次与所述副磁钢组件、所述磁轭侧壁间隔形成所述磁间隙；所述定位支架由金属材料制成，所述副磁钢组件远离所述磁轭的一侧与所述定位支架激光点焊固定；采用此种结构，磁轭保持一周环绕音圈，无需让位，性能最优化；副磁钢组件与定位支架激光点焊固定，可靠性好，同时磁路系统的各方向定位得到保障，借助影像识别等高精度装配方式，磁路系统同心度不必受限于零件精度，可获得更优的产品一致性；同时所述定位支架由金属材料制成，机械强度更优，不易变形、缺损。
 附图说明
为了更清楚地说明本实用新型实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图，其中：
图1为本实用新型发声器件的立体结构示意图
图2为本实用新型发声器件的立体结构分解示意图；
图3为本实用新型发声器件的剖视图；
图4为本实用新型磁路系统与定位支架的装配示意图；
图5为本实用新型发声器件另一视角的剖视图。
 本发明的最佳实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本实用新型保护的范围。
请参考图1-5所示，本实用新型提供一种发声器件100，该发声器件100包括定位支架1、分别固定于所述定位支架1且用于振动发声的振动系统2和驱动所述振动系统2振动发声的磁路系统3，振动系统2包括振动发声的振膜21，所述磁路系统3具有磁间隙30。
本实施例中，所述定位支架1由金属材料制成，机械强度更优，不易变形、缺损。所述定位支架1包括用于支撑固定所述振膜21的定位支架本体11以及由所述定位支架本体11靠近所述磁路系统3的一侧向靠近所述振膜21方向凹陷形成的定位槽12。所述定位支架1呈矩形，其包括两个相对设置的长轴边1b和两个相对设置的短轴边1a，所述定位槽12设置为两个且分别对应设置于两个所述长轴边1b之上。
具体的，所述定位支架本体11包括形成所述定位槽12的呈环状的第一侧壁111、由所述第一侧壁111设置所述定位槽12的位置向靠近所述磁轭31方向弯折延伸的第二底壁112和由所述第一侧壁111内侧向靠近所述磁轭31方向弯折延伸的第三底壁113、自所述第二底壁112的相对两端分别向所述第三底壁113延伸并连接至所述第三底壁113的第四倾斜壁114；所述第二底壁112与相邻的两个所述第四倾斜壁114围成所述定位槽12。
具体的，所述振动系统2包括固定于所述定位支架1远离所述磁路系统3一侧的振膜21、固定于所述振膜21靠近所述磁路系统3一侧的骨架22、插设于所述磁间隙30的音圈23、辅助振膜组件245，所述音圈23通过所述骨架22固定于所述振膜21；所述辅助振膜组件245的一端固定于所述短轴边1a远离所述振膜21一侧，其另一端弹性支撑所述骨架22。所述辅助振膜组件245与所述第三底壁113对应设置，所述辅助振膜组件245固定于所述第三底壁113；所述辅助振膜组件245包括固定于所述定位支架1的短轴边1a远离所述振膜21一侧的弹性导电件24以及贴设于所述弹性导电件24远离所述振膜21一侧的辅助振膜25，所述弹性导电件24包括向靠近所述振膜21方向延伸的弹性导电固定部241，所述音圈23的引线固定于所述弹性导电固定部241，即通过此种结构，使得音圈23从可以从上方出线，从而使得下文的磁轭31无需做让位结构以便于音圈23出线，磁轭侧壁313得以环绕主磁钢组件32以实现更好的导磁效果。所述音圈23固定于所述骨架22远离所述振膜21的一端以驱动所述振膜21振动发声，具体的，所述骨架22包括用于连接所述振膜21和所述音圈23的第一骨架221，所述第一骨架221包括多个且相互间隔以形成空气间隙220，即采用此种结构，有利于发声器件100内部的空气流通。
所述磁路系统3包括包括磁轭31、固定设置于所述磁轭31上的主磁钢组件32以及设置于所述主磁钢组件32的相对两侧并与所述主磁钢组件32间隔形成磁间隙30的副磁钢组件33；所述副磁钢组件33远离所述磁轭31的一侧与所述定位支架1激光点焊固定。
采用此种结构，副磁钢组件33与定位支架1激光点焊固定，可靠性好，同时磁路系统3的各方向定位得到保障，借助影像识别等高精度装配方式，磁路系统3同心度不必受限于零件精度，可获得更优的产品一致性。优选的，所述副磁钢组件33靠近所述振膜21的一侧设有向靠近所述磁轭31方向凹陷的让位槽331；即此种结构，可以为振膜21提供避让结构，防止振膜21振动时与副磁钢组件33产生结构干涉。
本实施例中，所述磁轭31包括磁轭本体311、由所述磁轭本体311的相对两侧延伸形成的磁轭延伸壁312以及所述磁轭本体311的另外相对两侧向靠近所述振膜21弯折延伸的磁轭侧壁313，所述副磁钢组件33固定设置于所述磁轭延伸壁312之上，所述主磁钢组件32依次与所述副磁钢组件33、所述磁轭侧壁313间隔形成所述磁间隙30。磁轭31保持一周环绕音圈23，无需让位，性能最优化；
优选的，所述磁轭延伸壁312沿垂直于所述振动系统2的振动方向延伸形成。所述定位槽12与所述副磁钢组件33一一对应，所述副磁钢组件33远离所述磁轭延伸壁312的一端收容于所述定位槽12并激光点焊固定于所述定位槽12的底面。具体的，所述第二底壁112与所述磁轭本体311的间隔距离大于所述第三底壁113与所述磁轭本体311的间隔距离，所述副磁钢组件33远离所述磁轭延伸壁312的一端激光点焊固定于所述第二底壁112。即通过此设置，使得发声器件100的结构布局更加合理，例如所述副磁钢组件33收容于定位槽12，所述弹性导电件24固定于定位支架1的短轴边1a，空间利用率更高。
与相关技术相比，本实用新型的发声器件，所述磁路系统包括磁轭、固定设置于所述磁轭上的主磁钢组件以及设置于所述主磁钢组件的相对两侧并与所述主磁钢组件间隔形成磁间隙的副磁钢组件，所述音圈插设于所述磁间隙；所述磁轭包括磁轭本体、由所述磁轭本体的相对两侧延伸形成的磁轭延伸壁以及所述磁轭本体的另外相对两侧向靠近所述振膜弯折延伸的磁轭侧壁，所述副磁钢组件固定设置于所述磁轭延伸壁之上，所述主磁钢组件依次与所述副磁钢组件、所述磁轭侧壁间隔形成所述磁间隙；所述定位支架由金属材料制成，所述副磁钢组件远离所述磁轭的一侧与所述定位支架激光点焊固定；采用此种结构，磁轭保持一周环绕音圈，无需让位，性能最优化；副磁钢组件与定位支架激光点焊固定，可靠性好，同时磁路系统的各方向定位得到保障，借助影像识别等高精度装配方式，磁路系统同心度不必受限于零件精度，可获得更优的产品一致性；同时所述定位支架由金属材料制成，机械强度更优，不易变形、缺损。
本实用新型提供一种以上所述仅为本实用新型的实施例，并非因此限制本实用新型的专利范围，凡是利用本实用新型说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其它相关的技术领域，均同理包括在本实用新型的专利保护范围内。

Claims (9)

  1. 一种发声器件，其包括定位支架、分别固定于所述定位支架的振动系统和驱动所述振动系统振动发声的磁路系统，所述振动系统包括固定于所述定位支架的振膜和驱动所述振膜振动的音圈，其特征在于，
    所述磁路系统包括磁轭、固定设置于所述磁轭上的主磁钢组件以及设置于所述主磁钢组件的相对两侧并与所述主磁钢组件间隔形成磁间隙的副磁钢组件，所述音圈插设于所述磁间隙；所述磁轭包括磁轭本体、由所述磁轭本体的相对两侧延伸形成的磁轭延伸壁以及所述磁轭本体的另外相对两侧向靠近所述振膜弯折延伸的磁轭侧壁，所述副磁钢组件固定设置于所述磁轭延伸壁之上，所述主磁钢组件依次与所述副磁钢组件、所述磁轭侧壁间隔形成所述磁间隙；
    所述定位支架由金属材料制成，所述副磁钢组件远离所述磁轭的一侧与所述定位支架激光点焊固定。
  2. 根据权利要求1中所述的发声器件，其特征在于，所述磁轭延伸壁沿垂直于所述振动系统的振动方向延伸形成。
  3. 根据权利要求1中所述的发声器件，其特征在于，所述定位支架包括定位支架本体以及由所述定位支架本体靠近所述磁路系统的一侧向靠近所述振膜方向凹陷形成的定位槽，所述定位槽与所述副磁钢组件一一对应，所述副磁钢组件远离所述磁轭延伸壁的一端收容于所述定位槽并激光点焊固定于所述定位槽的底面。
  4. 根据权利要求3中所述的发声器件，其特征在于，所述定位支架呈矩形，其包括两个相对设置的长轴边和两个相对设置的短轴边，所述定位槽设置于所述长轴边，所述振动系统还包括固定于所述振膜靠近所述磁路系统一侧的骨架以及辅助振膜组件，所述音圈通过所述骨架固定于所述振膜；所述辅助振膜组件的一端固定于所述短轴边远离所述振膜一侧，其另一端弹性支撑所述骨架。
  5. 根据权利要求4中所述的发声器件，其特征在于，所述定位支架本体包括形成所述定位槽的呈环状的第一侧壁、由所述第一侧壁设置所述定位槽的位置向靠近所述磁轭方向弯折延伸的第二底壁和由所述第一侧壁内侧向靠近所述磁轭方向弯折延伸的第三底壁、自所述第二底壁的相对两端分别向所述第三底壁延伸并连接至所述第三底壁的第四倾斜壁；所述第二底壁与所述磁轭本体的间隔距离大于所述第三底壁与所述磁轭本体的间隔距离，所述第二底壁与相邻的两个所述第四倾斜壁围成所述定位槽，所述副磁钢组件远离所述磁轭延伸壁的一端激光点焊固定于所述第二底壁；所述第三底壁与所述辅助振膜组件对应设置，所述辅助振膜组件固定于所述第三底壁。
  6. 根据权利要求5中所述的发声器件，其特征在于，所述辅助振膜组件包括固定于所述短轴边的弹性导电件以及贴设于所述弹性导电件远离所述振膜一侧的辅助振膜。
  7. 根据权利要求6中所述的发声器件，其特征在于，所述弹性导电件包括向靠近所述振膜方向延伸的弹性导电固定部，所述音圈的引线固定于所述弹性导电固定部。
  8. 根据权利要求4中所述的发声器件，其特征在于，所述骨架包括用于连接所述振膜和所述音圈的第一骨架，所述第一骨架包括多个且相互间隔以形成空气间隙。
  9. 根据权利要求1中所述的发声器件，其特征在于，所述副磁钢组件靠近所述振膜的一侧设有向靠近所述磁轭方向凹陷的让位槽。
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140301587A1 (en) * 2013-04-03 2014-10-09 Em-Tech Co., Ltd. Slim enclosure speaker with side acoustic emission structure
CN210093501U (zh) * 2019-06-29 2020-02-18 瑞声科技(新加坡)有限公司 扬声器
CN211209914U (zh) * 2019-12-04 2020-08-07 瑞声光电科技(常州)有限公司 发声器件
CN111641905A (zh) * 2020-06-15 2020-09-08 瑞声科技(新加坡)有限公司 发声器件

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208638694U (zh) * 2018-08-13 2019-03-22 瑞声科技(新加坡)有限公司 扬声器模组
CN209526865U (zh) * 2018-12-27 2019-10-22 瑞声科技(新加坡)有限公司 扬声器
US11032649B2 (en) * 2019-03-05 2021-06-08 AAC Technologies Pte. Ltd. Speaker module and method for manufacturing same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140301587A1 (en) * 2013-04-03 2014-10-09 Em-Tech Co., Ltd. Slim enclosure speaker with side acoustic emission structure
CN210093501U (zh) * 2019-06-29 2020-02-18 瑞声科技(新加坡)有限公司 扬声器
CN211209914U (zh) * 2019-12-04 2020-08-07 瑞声光电科技(常州)有限公司 发声器件
CN111641905A (zh) * 2020-06-15 2020-09-08 瑞声科技(新加坡)有限公司 发声器件

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