WO2024000683A1 - 扬声器箱 - Google Patents

扬声器箱 Download PDF

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Publication number
WO2024000683A1
WO2024000683A1 PCT/CN2022/106642 CN2022106642W WO2024000683A1 WO 2024000683 A1 WO2024000683 A1 WO 2024000683A1 CN 2022106642 W CN2022106642 W CN 2022106642W WO 2024000683 A1 WO2024000683 A1 WO 2024000683A1
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WO
WIPO (PCT)
Prior art keywords
speaker
side wall
diaphragm
speaker box
metal
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PCT/CN2022/106642
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English (en)
French (fr)
Inventor
丁健华
吴树文
冯国袖
肖目舒
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瑞声科技(南宁)有限公司
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Publication of WO2024000683A1 publication Critical patent/WO2024000683A1/zh

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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
    • H04R9/02—Details
    • 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 utility model relates to the field of electroacoustic conversion, in particular to a speaker box.
  • a speaker is a sound-generating device commonly used in electronic devices, such as mobile phones, tablets, learning machines, MP4s, etc.
  • electronic devices such as mobile phones, tablets, learning machines, MP4s, etc.
  • the monomer in the speaker box is easy to loosen. This affects the sound quality of the speaker, making it impossible to output high-quality sound stably and reliably, and has limitations in its application in complete electronic equipment.
  • the speaker unit is first fixed to the metal shell through supporting foam, and then the speaker shell and the unit are fixed through glue. This fixing method is complicated and unreliable.
  • This utility model is to provide a speaker box with high reliability and good stability.
  • the present invention provides a speaker box, which includes a metal shell with a receiving cavity, a speaker unit with a diaphragm disposed in the receiving cavity, and the speaker box further includes a speaker disposed in the receiving cavity. At least two metal pieces between the metal casing and the speaker unit.
  • the speaker unit includes a basin frame and a yoke fixed to the basin frame. The metal pieces, the yoke and the metal The shell is welded and fixed.
  • the number of the metal parts is two, and they are provided on opposite sides of the speaker unit along the short axis direction of the speaker unit.
  • the metal housing includes an upper housing close to the diaphragm and a lower housing away from the diaphragm, and the upper housing includes a first side wall arranged parallel to the vibration direction of the diaphragm.
  • the metal piece includes a main body portion at least partially disposed between the speaker unit and the first side wall and an extension portion bent inwardly from a side of the main body portion away from the diaphragm.
  • the extension part is fixed to the lower surface of the yoke away from the diaphragm, and the main part is fixedly connected to the first side wall.
  • the lower housing includes a second side wall connected to the first side wall, and the main body part is fixedly connected to the second side wall.
  • the main body part is parallel to the vibration direction, and the extension part is perpendicular to the vibration direction.
  • the main body portion includes a first surface close to the magnetic yoke, and the first surface is fixedly connected to the magnetic yoke.
  • the upper housing further includes a top wall bent and extended inwardly perpendicular to the vibration direction from a side of the first side wall away from the second side wall, and the top wall includes a
  • the upper surface of the diaphragm is perpendicular to the vibration direction
  • the main body portion includes an end surface opposite to the upper surface, and the end surface is fixedly connected to the upper surface.
  • the metal piece is made of steel.
  • the speaker box of the present invention adds at least two metal parts, and the at least two metal parts are welded and fixed to the metal casing and the yoke of the speaker unit respectively, so that the speaker unit and the metal casing are firmly fixed.
  • the utility model eliminates the supporting foam that supports the speaker unit in the prior art, optimizes the process, and saves costs; by laser welding the metal shell and the speaker unit, the reliability of the drop is improved.
  • Figure 1 is a perspective view of the speaker box of the present utility model
  • Figure 2 is a partially exploded view of the speaker box of the present utility model
  • Figure 3 is another partially exploded view of the speaker box of the present utility model
  • FIG. 4 is a cross-sectional view along line A-A in FIG. 1 .
  • the present invention provides a speaker box 100, which includes a metal shell 1 with a receiving cavity 10, a speaker unit 2 disposed in the receiving cavity 10, a speaker box 100 disposed between the metal shell 1 and the speaker. At least two metal pieces 5 between the units 2.
  • the metal shell 1 includes an upper shell 11 and a lower shell 12 that are connected to each other.
  • the upper shell 11 and the lower shell 12 define a receiving cavity 10 .
  • the speaker unit 2 includes a basin frame 22 , a yoke 23 fixed on one side of the basin frame 22 , and a diaphragm 21 fixed on the other side of the basin frame 22 .
  • the yoke 23 includes a lower surface 231 away from the diaphragm 21 .
  • the metal piece 5 is fixed to the yoke 23 and the metal shell 1 by laser welding.
  • One side of the metal piece 5 is laser welded to the yoke 23, and the other side is laser welded to the metal shell 1.
  • the upper housing 11 is closer to the diaphragm 21 than the lower housing 12 .
  • the upper housing 11 includes a first side wall 111 arranged parallel to the vibration direction of the diaphragm 21 .
  • the lower housing 12 includes a third side wall connected to the first side wall 111 .
  • the metal piece 5 includes a main body portion 51 at least partially disposed between the speaker unit 2 and the first side wall 111 and an extension portion 52 bent inwardly from a side of the main body portion 51 away from the diaphragm 21 .
  • the extension portion 52 Fixed to the lower surface 231 of the yoke 23 away from the diaphragm 21 , the main body 51 is fixedly connected to the first side wall 111 .
  • the main body part 51 is fixedly connected to both the first side wall 111 and the second side wall 121 to further enhance the fixing effect.
  • the main body part 51 can also be fixedly connected to the first side wall only.
  • the main body part 51 is arranged parallel to the vibration direction of the diaphragm 21, and the extension part is arranged perpendicular to the vibration direction of the diaphragm 21.
  • the main body part and the extension part can also be arranged in other directions.
  • the main body 51 includes a first surface 511 close to the yoke 23.
  • the first surface 511 is spaced apart from the yoke 23.
  • the first surface can also be fixedly connected to the yoke to increase the reliability of the connection.
  • the speaker unit 2 is generally rectangular, and there are two metal parts 5 , which are arranged on opposite sides of the speaker unit 2 along the short axis direction of the speaker unit 2 .
  • the speaker unit 2 is generally rectangular, and there are two metal parts 5 , which are arranged on opposite sides of the speaker unit 2 along the short axis direction of the speaker unit 2 .
  • 3, 4 or more metal parts may be provided depending on the shape, weight and material of the speaker unit.
  • the upper housing 11 also includes a top wall 112 that is bent and extended inwardly from the side of the first side wall 111 away from the second side wall 121 perpendicular to the vibration direction.
  • the upper surface 1121 of the main body 51 includes an end surface 512 opposite to the upper surface 1121.
  • the end surface 512 is fixedly connected to the upper surface 1121, and both the end surface 512 and the upper surface 1121 are flat. In other embodiments, the end surface and the upper surface may also be spaced apart.
  • the material of the metal part 5 is steel.
  • the metal part may also be made of other materials depending on the material changes of the yoke and the metal shell.
  • the speaker box 100 of the present invention adds at least two metal parts, and the at least two metal parts are welded and fixed to the metal shell and the yoke of the speaker unit respectively, so that the speaker unit and the metal yoke are The casing is securely fixed.
  • the utility model eliminates the support foam used to support the speaker unit in the prior art, optimizing the process and saving costs. By laser welding the metal casing and the speaker unit, the reliability of the drop is improved.

Landscapes

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

Abstract

本实用新型提供了一种扬声器箱，其包括具有收容腔的金属外壳、设置于所述收容腔内的具有振膜的扬声器单体，所述扬声器箱还包括设置于所述金属外壳与所述扬声器单体之间的至少两个金属件，所述扬声器单体包括盆架及固定于所述盆架的磁轭，所述金属件与所述磁轭及所述金属外壳焊接固定。与相关技术相比，本实用新型的扬声器箱通过激光焊接将至少两个金属件与扬声器单体固定，改善跌落可靠性，同时优化了工序，节约了成本。

Description

扬声器箱 技术领域
本实用新型涉及电声转换领域，尤其涉及一种扬声器箱。
 背景技术
扬声器是一种常用于电子设备的发声器件，例如手机、平板电脑、学习机、MP4等等。在相关技术中，存在一类扬声器采用金属壳体，然而由于其结构及电子设备结构的限制，缺乏与电子设备配合的定位和紧固方式，长时间使用后扬声器箱中的单体容易松动，从而对扬声器的音质造成影响，无法稳定可靠的输出高质量音质，在电子设备整机中的应用存在局限性。
 技术问题
然而现有技术中，扬声器单体首先通过支撑泡棉与金属壳体固定，再通过胶粘固定扬声器的外壳与单体，这样的固定方式复杂且不牢靠。
因此，实有必要提供一种新的扬声器箱解决上述技术问题。
 技术解决方案
本实用新型的目的在于提供一种可靠性高、稳定性能好的扬声器箱。
为了达到上述目的，本实用新型提供了一种扬声器箱，其包括具有收容腔的金属外壳、设置于所述收容腔内的具有振膜的扬声器单体，其所述扬声器箱还包括设置于所述金属外壳与所述扬声器单体之间的至少两个金属件，所述扬声器单体包括盆架及固定于所述盆架的磁轭，所述金属件与所述磁轭及所述金属外壳焊接固定。
优选地，所述金属件的数量为两个，且沿所述扬声器单体的短轴方向设于所述扬声器单体的相对两侧。
优选地，所述金属外壳包括靠近所述振膜的上壳体和远离所述振膜的下壳体，所述上壳体包括沿平行于所述振膜的振动方向设置的第一侧壁，所述金属件包括至少部分设于所述扬声器单体和所述第一侧壁之间的主体部和自所述主体部的远离所述振膜的一侧向内弯折延伸的延伸部，所述延伸部固定于所述磁轭的远离所述振膜的下表面，所述主体部与所述第一侧壁固定连接。
优选地，所述下壳体包括与所述第一侧壁连接的第二侧壁，所述主体部与所述第二侧壁固定连接。
优选地，所述主体部平行于所述振动方向，所述延伸部垂直于所述振动方向。
优选地，所述主体部包括靠近所述磁轭的第一表面，所述第一表面与所述磁轭固定连接。
优选地，所述上壳体还包括自所述第一侧壁的远离所述第二侧壁的一侧沿垂直于所述振动方向向内弯折延伸的顶壁，所述顶壁包括靠近所述振膜且垂直于所述振动方向的上表面，所述主体部包括与所述上表面相对设置的端面，所述端面与所述上表面固定连接。
优选地，所述金属件的材质为钢材。
 有益效果
与相关技术相比，本实用新型的扬声器箱通过增加至少两个金属件，将至少两个金属件分别与金属外壳及扬声器单体的磁轭焊接固定，从而使得扬声器单体与金属外壳牢靠固定，本实用新型取消现有技术中支撑扬声器单体的支撑泡棉，优化了工序，节约了成本；通过激光焊接金属外壳与扬声器单体，改善了跌落的可靠性。
 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为本实用新型扬声器箱的立体图；
图2为本实用新型扬声器箱的部分分解图；
图3为本实用新型扬声器箱的又一部分分解图；
图4为沿图1中A-A线的剖面图。
 本发明的实施方式
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。
请同时参阅图1-4，为本实用新型提供了一种扬声器箱100，其包括具有收容腔10的金属外壳1、设置于收容腔10内的扬声器单体2、设置于金属外壳1与扬声器单体2之间的至少两个金属件5。
金属外壳1包括相互连接的上壳体11和下壳体12，上壳体11与下壳体12围设成收容腔10。
扬声器单体2包括盆架22、固定于盆架22一侧的磁轭23、固定于盆架22另一侧的振膜21，磁轭23包括远离振膜21的下表面231。
金属件5与磁轭23及金属外壳1通过激光焊接固定，金属件5的一侧与磁轭23激光焊接固定，另一侧与金属外壳1激光焊接固定。上壳体11比下壳体12靠近振膜21，上壳体11包括沿平行于振膜21的振动方向设置的第一侧壁111，下壳体12包括与第一侧壁111连接的第二侧壁121。金属件5包括至少部分设于扬声器单体2和第一侧壁111之间的主体部51和自主体部51的远离振膜21的一侧向内弯折延伸的延伸部52，延伸部52固定于磁轭23的远离振膜21的下表面231，主体部51与第一侧壁111固定连接。
本实施方式中，主体部51与第一侧壁111和第二侧壁121均固定连接，以进一步增强固定效果，在其他实施方式中，主体部也可以只与第一侧壁固定连接。本实施方式中，主体部51平行于振膜21的振动方向设置，延伸部垂直于振膜21的振动方向设置，在其他实施方式中，为了配合扬声器单体和金属外壳的不同形状和功能，主体部和延伸部还可以沿其他方向设置。
主体部51包括靠近磁轭23的第一表面511，第一表面511与磁轭23间隔设置，在其他实施方式中，第一表面也可以与磁轭固定连接，以增加连接的可靠性。
本实施方式中，扬声器单体2大致为矩形，金属件5有两个，且沿扬声器单体2的短轴方向设于扬声器单体2的相对两侧。在其他实施方式中，根据扬声器单体的形状、重量和材质不同，金属件可以设有3个、4个等更多个。
上壳体11还包括自第一侧壁111的远离第二侧壁121的一侧沿垂直于振动方向向内弯折延伸的顶壁112，顶壁112包括靠近振膜21且垂直于振动方向的上表面1121，主体部51包括与上表面1121相对设置的端面512，端面512与上表面1121固定连接，且端面512与上表面1121均为平面。在其他实施方式中，端面与上表面也可以间隔设置。
本实施方式中，金属件5的材质为钢材，在其他实施方式中，根据磁轭和金属外壳的材质变化，金属件也可以使用其他材质。
而且，与相关技术相比，本实用新型的扬声器箱100通过增加至少两个金属件，将至少两个金属件分别与金属外壳及扬声器单体的磁轭焊接固定，从而使得扬声器单体与金属外壳牢靠固定，本实用新型取消现有技术中支撑扬声器单体的支撑泡棉，优化了工序，节约了成本；通过激光焊接金属外壳与扬声器单体，改善了跌落的可靠性。
以上的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。
 

Claims (8)

  1. 一种扬声器箱，其包括具有收容腔的金属外壳、设置于所述收容腔内的具有振膜的扬声器单体，其特征在于，所述扬声器箱还包括设置于所述金属外壳与所述扬声器单体之间的至少两个金属件，所述扬声器单体包括盆架及固定于所述盆架的磁轭，所述金属件与所述磁轭及所述金属外壳焊接固定。
  2. 根据权利要求1所述的扬声器箱，其特征在于，所述金属件的数量为两个，且沿所述扬声器单体的短轴方向设于所述扬声器单体的相对两侧。
  3. 根据权利要求2所述的扬声器箱，其特征在于，所述金属外壳包括靠近所述振膜的上壳体和远离所述振膜的下壳体，所述上壳体包括沿平行于所述振膜的振动方向设置的第一侧壁，所述金属件包括至少部分设于所述扬声器单体和所述第一侧壁之间的主体部和自所述主体部的远离所述振膜的一侧向内弯折延伸的延伸部，所述延伸部固定于所述磁轭的远离所述振膜的下表面，所述主体部与所述第一侧壁固定连接。
  4. 根据权利要求3所述的扬声器箱，其特征在于，所述下壳体包括与所述第一侧壁连接的第二侧壁，所述主体部与所述第二侧壁固定连接。
  5. 根据权利要求4所述的扬声器箱，其特征在于，所述主体部平行于所述振动方向，所述延伸部垂直于所述振动方向。
  6. 根据权利要求5所述的扬声器箱，其特征在于，所述主体部包括靠近所述磁轭的第一表面，所述第一表面与所述磁轭固定连接。
  7. 根据权利要求6所述的扬声器箱，其特征在于，所述上壳体还包括自所述第一侧壁的远离所述第二侧壁的一侧沿垂直于所述振动方向向内弯折延伸的顶壁，所述顶壁包括靠近所述振膜且垂直于所述振动方向的上表面，所述主体部包括与所述上表面相对设置的端面，所述端面与所述上表面固定连接。
  8. 根据权利要求1所述的扬声器箱，其特征在于，所述金属件的材质为钢材。
PCT/CN2022/106642 2022-06-30 2022-07-20 扬声器箱 WO2024000683A1 (zh)

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WO2022041438A1 (zh) * 2020-08-27 2022-03-03 瑞声声学科技(深圳)有限公司 扬声器箱
CN111757221A (zh) * 2020-08-31 2020-10-09 歌尔股份有限公司 扬声器
WO2022088278A1 (zh) * 2020-10-30 2022-05-05 瑞声声学科技(深圳)有限公司 扬声器及电子终端
CN112468908A (zh) * 2020-12-18 2021-03-09 瑞声新能源发展(常州)有限公司科教城分公司 扬声器箱及其装配方法
CN214101757U (zh) * 2020-12-31 2021-08-31 瑞声光电科技(常州)有限公司 扬声器箱
CN216491033U (zh) * 2021-09-22 2022-05-10 瑞声光电科技(常州)有限公司 扬声器

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