WO2022007025A1 - 扬声器箱 - Google Patents

扬声器箱 Download PDF

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Publication number
WO2022007025A1
WO2022007025A1 PCT/CN2020/104685 CN2020104685W WO2022007025A1 WO 2022007025 A1 WO2022007025 A1 WO 2022007025A1 CN 2020104685 W CN2020104685 W CN 2020104685W WO 2022007025 A1 WO2022007025 A1 WO 2022007025A1
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WO
WIPO (PCT)
Prior art keywords
inclined surface
sound
face
basin frame
lower cover
Prior art date
Application number
PCT/CN2020/104685
Other languages
English (en)
French (fr)
Inventor
吴军
任圣
杨虎虎
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)有限公司
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.)
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Publication date
Application filed by 瑞声声学科技(深圳)有限公司, 瑞声科技(新加坡)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2022007025A1 publication Critical patent/WO2022007025A1/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 invention relates to the field of sound and electricity, in particular to a speaker box.
  • the speaker box of the related art includes a housing with a housing space and a sound-generating unit housed in the housing, and the sound-generating unit divides the housing space into a front cavity and a rear cavity.
  • the speaker box of the related art further includes a baffle wall disposed in the rear cavity and spaced apart from the sound generating unit, and a ventilation member disposed on the baffle wall.
  • the baffle wall and the ventilation part cooperate to separate the rear cavity into an independent space for filling with sound-absorbing particles.
  • the retaining wall occupies the space of the rear cavity, so that the volume utilization rate of the rear cavity is low, and the acoustic performance of the speaker box cannot be further improved.
  • the purpose of the present invention is to provide a speaker box that improves the utilization rate of the back cavity.
  • the present invention provides a loudspeaker box, which comprises a casing with a receiving space, a sound generating unit contained in the receiving space of the casing, and a sound generating unit contained in the receiving space and covering the
  • the air-permeable spacer of the sounding unit, the sounding unit and the air-permeable spacer together divide the accommodation space into a front cavity and a rear cavity;
  • the outer shell includes an upper cover and a lower cover, and the sounding unit is fixed
  • the lower cover it includes a basin frame fixed on the casing, a vibration system fixed on the basin frame, and a magnetic circuit system for driving the vibration system to vibrate and sound
  • the magnetic circuit system includes a A magnetic yoke
  • the lower cover includes a bottom wall, a mounting hole provided on the bottom wall, and a hole wall enclosing the mounting hole, the magnetic yoke is mounted on the mounting hole and exposed to the receiving space , the rear cavity is filled with sound-absorbing particles, the breathable spacer
  • the first fixing part is connected with the basin frame
  • the cover body is arranged around the periphery of the sounding unit and completely covers the communicating part
  • the socket part is sleeved and closely attached to the magnet yoke
  • the magnetic yoke includes a first inclined surface
  • the socket part is sleeved and closely attached to the first inclined surface
  • the first inclined surface, the socket part and the hole wall are combined to form a the sealing groove
  • the speaker box further comprises a sealant
  • the sealant is filled in the sealing groove and connected to the sounding unit, the air-permeable spacer and the hole wall.
  • the magnetic yoke further includes a first end face away from the vibration system and connected to the first inclined surface, and the socket portion includes a second end face parallel to the first end face and a second end face parallel to the first end face.
  • the second inclined surface is connected to the second end surface, and the first end surface, the first inclined surface, the second end surface and the second inclined surface are arranged in a stepped shape.
  • the included angle between the first inclined surface and the second end surface is an acute angle.
  • the bottom wall of the lower cover includes a third end surface far away from the upper cover and parallel to the first end surface
  • the hole wall includes a third inclined surface and a vertical surface opposite to the sounding unit
  • the third end surface, the third inclined surface and the vertical surface are connected in sequence, the first end surface is closer to the upper cover than the third end surface, and the third inclined surface is in contact with the vertical surface.
  • the connection is opposite to the second inclined surface.
  • the magnetic yoke further includes a plurality of fixing grooves arranged on the first inclined surface and spaced apart
  • the basin frame includes a basin frame body and an end protruding from the basin frame body close to the magnetic yoke
  • a plurality of spaced extending arms, the plurality of extending arms are respectively installed in the plurality of the fixing grooves
  • the cover body surrounds the extending arms
  • one end of the extending arms away from the basin frame body is provided with a fourth inclined surface, the fourth inclined surface is connected to and coplanar with the first inclined surface.
  • the above-mentioned speaker box provided by the present invention first covers the sound-generating unit with a ventilating spacer, and then encapsulates and fixes the sound-generating unit and the lower cover.
  • the magnetic yoke includes a first inclined surface, the sleeve part of the air-permeable spacer is sleeved and closely attached to the first inclined surface, the first inclined surface, the sleeve part and the The hole wall of the lower cover is joined to form the sealing groove, and the sealant is filled in the sealing groove to ensure the stable packaging of the breathable spacer, the sounding unit and the lower cover, and effectively utilize the volume of the back cavity .
  • FIG. 1 is an exploded view of a speaker box of the present invention
  • the speaker box includes a casing, a sound-generating unit and a ventilating spacer
  • the casing includes an upper cover and a lower cover.
  • FIG. 2 is a schematic three-dimensional structure diagram of the lower cover shown in FIG. 1 .
  • FIG. 3 is a schematic diagram of an explosion structure of the sounding unit shown in FIG. 1 , the sounding unit includes a magnetic circuit system, and the magnetic circuit system includes a magnetic yoke.
  • FIG. 4 is a schematic three-dimensional structural diagram of the magnetic yoke shown in FIG. 3 .
  • FIG. 5 is a schematic three-dimensional structural diagram of the air-permeable spacer shown in FIG. 1 .
  • FIG. 6 is a schematic view of the structure of the speaker box shown in FIG. 1 with the sealant removed after being assembled.
  • FIG. 7 is a schematic structural diagram of the speaker box shown in FIG. 6 at another angle.
  • FIG. 8 is a schematic cross-sectional structural diagram of the speaker box shown in FIG. 7 along the A-A direction.
  • FIG. 9 is a schematic diagram of the enlarged structure of the speaker box shown in FIG. 8 at B.
  • FIG. 9 is a schematic diagram of the enlarged structure of the speaker box shown in FIG. 8 at B.
  • the speaker box 100 provided according to the present invention includes a housing 10 having an accommodation space 40 , a sound generating unit 20 accommodated in the accommodation space 40 of the outer casing 10 and a
  • the accommodating space 40 is covered with the air-permeable spacer 30 of the sound-generating unit 20.
  • the sound-generating unit 20 and the air-permeable spacer 30 together divide the accommodating space 40 into a front cavity 41 and a rear cavity 42 , and is connected and fixed with the housing 10 through the sealant 60 , which ensures the stable packaging of the sounding unit 20 and the housing 10 .
  • the rear cavity 42 is filled with sound-absorbing particles 70 , and the air-permeable spacer 30 encapsulates the sound-absorbing particles 70 in the rear cavity 42 , so there is no need to set a retaining wall in the rear cavity 42 , and the The volume of the rear cavity 42 increases the filling volume of the sound-absorbing particles 70 , thereby improving the acoustic performance of the speaker box 100 .
  • the housing 10 includes an upper cover 11 and a lower cover 12
  • the upper cover 11 includes a top wall 111 and a side wall 112 bent and extended from the edge of the top wall 111
  • the lower cover 12 includes a bottom wall 121 , a mounting hole 122 provided on the bottom wall 121 , and a hole wall 123 surrounding the mounting hole 122 .
  • Three end surfaces 1211, the hole wall 123 includes a third inclined surface 1231 and a vertical surface 1232 opposite to the sounding unit 20, the third end surface 1211, the third inclined surface 1231 and the vertical surface 1232 are in sequence connect.
  • the side wall 112 and the bottom wall 121 are joined together so that the upper cover 11 and the lower cover 12 are combined to form the receiving space 40 .
  • the third inclined surface 1231 and the vertical surface 1232 of the hole wall 123 cooperate to form a ring-shaped sealing groove 50 .
  • the sealant 60 is filled in the sealing groove 50 and connects the sounding unit 20 and the hole. wall 123.
  • the sound-generating unit 20 and the upper cover 11 are spaced apart to form the front cavity 41 , and the sound-generating unit 20 , the upper cover 11 and the lower cover 12 are enclosed to form the rear cavity 42 .
  • the sounding unit 20 includes a basin frame 21 , a vibration system 22 respectively fixed to the basin frame 21 , a magnetic circuit system 23 having a magnetic gap 236 , and a middle frame sleeved and fixed on the basin frame 21 .
  • 24 and a ventilating spacer 30 that is covered on the magnetic circuit system 23 and connected to the middle frame 24, the vibration system 22 and the magnetic circuit system 23 are enclosed to form an inner cavity 25, and the basin frame 21 is connected to the inner cavity 25.
  • the magnetic circuit system 23 forms a communicating portion 26 at intervals, and the inner cavity 25 communicates with the rear cavity 42 through the communicating portion 26 and the air-permeable spacer 30 in sequence.
  • the basin frame 21 is used to support the vibration system 22 and the magnetic circuit system 23 , and includes a basin frame body 211 and a plurality of spaces extending from the end of the basin frame body 211 close to the magnetic circuit system 23 .
  • the extension arm 212 is provided, and the end of the extension arm 212 away from the basin frame body 211 is provided with a fourth slope 213 .
  • the middle frame 24 is fixed to the basin frame body 211 , the magnetic circuit system 23 is connected to the extension arm 212 , and the breathable spacer 30 surrounds the extension arm 212 .
  • the vibration system 22 includes a diaphragm 221 fixed on the basin frame 211 , a voice coil 222 inserted in the magnetic gap 236 to drive the diaphragm 221 to vibrate and produce sound, and a voice coil 222 fixed on the basin frame 211 and
  • the elastic support member 23 is opposite to the vibrating film 221 and arranged at an interval.
  • the diaphragm 221 includes a folding ring 2211, a second fixing portion 2212 and a vibrating portion 2213 extending from both sides of the folding ring 2211, and a dome 2214 fixed on the vibrating portion 2213.
  • the voice coil 222 includes A voice coil bobbin 2221 and a voice coil winding post 2222, the voice coil bobbin 2221 is connected to the vibrating part 2213, the end of the voice coil bobbin 2221 away from the vibrating part 2213 is connected to the voice coil winding post 2222, The voice coil winding post 2222 is connected to the elastic support member 223 , and the elastic support member 223 is connected to the basin frame body 211 and the middle frame 24 .
  • the elastic connecting member 223 is a flexible circuit board, and the elastic connecting member 223 is also electrically connected with the voice coil winding post 2222 .
  • the magnetic circuit system 23 includes a magnetic yoke 231 fixedly connected to the basin frame body 211 , a main magnetic steel 232 and a plurality of auxiliary magnetic steels 233 arranged on the magnetic yoke 231 , and covered on the main magnetic steel.
  • the main pole core 234 on the 232 , the upper clamping plate 235 connected with the basin frame body 211 , the magnetic yoke 231 and the basin frame 21 are spaced apart to form the communicating portion 26 .
  • the plurality of secondary magnets 233 and the main magnet 232 are spaced apart to form the magnetic gap 236 .
  • the upper splint 235 includes an annular portion 2351 fixed to the pot frame 211 and a plurality of secondary pole cores 2352 disposed on the annular portion 2351.
  • the annular portion 2351 is connected to the pot frame body 211, and the The plurality of secondary pole cores 2352 are attached to one end of the plurality of secondary magnetic steels 233 away from the yoke 231 .
  • the yoke 231 includes a first inclined surface 2312 , a first end surface 2311 away from the vibration system 22 and connected to the first inclined surface 2312 , and a plurality of first inclined surfaces 2312 and spaced apart.
  • a fixing groove 2313, the yoke 231 is installed in the installation hole 122, the first inclined surface 2312 is joined with the hole wall 123 of the lower cover 12 to form the sealing groove 50, and the sealant 60 is connected The first inclined surface 2312 and the hole wall 123 .
  • the extending arms 211 of the basin frame 21 are respectively installed in the fixing grooves 2313 , and the fourth inclined surface 213 is connected to and coplanar with the first inclined surface 2312 .
  • the first end surface 2311 and the third end surface 1211 are both flat and parallel to each other, and the first end surface 2311 is closer to the upper cover 11 than the third end surface 1211 .
  • the breathable spacer 30 includes a cover body 31 , a first fixing portion 32 and a sleeve portion 33 extending from both ends of the cover body 31 , and the first fixing portion 32 and the elastic support member 223 are far away from the One end of the middle frame 24 is connected, and is connected with the basin frame 21 through the elastic support member 223 and the middle frame 24 .
  • the cover body 31 is arranged around the periphery of the sounding unit 20 and completely covers the communicating portion 26 , and surrounds the main magnetic steel 232 and the plurality of secondary magnetic steels 233 , and the socket portion 33 is sleeved
  • the sealing groove 50 is formed by engaging with the first inclined surface 2312 of the magnetic yoke 231 , the first inclined surface 2312 , the socket portion 33 and the hole wall 123 .
  • the socket portion 33 includes a second end surface 331 parallel to the first end surface 2311 and a second inclined surface 332 connected with the second end surface 331 .
  • the surface 2312, the second end surface 2351 and the second inclined surface 332 are arranged in a stepped shape, and the included angle between the first inclined surface 2312 and the second end surface 2351 is an acute angle, and the first end surface 2311,
  • the first inclined surface 2312 , the second end surface 2351 and the second inclined surface 2352 are spaced apart from the third inclined surface of the hole wall 123 and the vertical surface 1231 to form the sealing groove 50.
  • connection between the third inclined surface 1231 and the vertical surface 1232 is opposite to the second inclined surface 2352 , and the distance between the vertical surface 1232 and the second inclined surface 2352 is directed away from the upper cover 11
  • the direction gradually increases to form a bell-shaped sealing groove 50 .
  • the sealing groove 50 includes a plurality of inclined surfaces ( 2312 , 332 , 1231 ), the contact area between the sealing groove 50 and the sealant 60 is increased, thereby improving the relationship between the sealing groove 50 and the sealant 60 . 60 Bonding firmness.
  • the above-mentioned speaker box provided by the present invention first covers the sound-generating unit with a ventilating spacer, and then encapsulates and fixes the sound-generating unit and the lower cover.
  • the magnetic yoke includes a first inclined surface, the sleeve part of the air-permeable spacer is sleeved and closely attached to the first inclined surface, the first inclined surface, the sleeve part and the The hole wall of the lower cover is joined to form the sealing groove, and the sealant is filled in the sealing groove to ensure the stable packaging of the breathable spacer, the sounding unit and the lower cover, and effectively utilize the volume of the back cavity .

Abstract

本发明提供了一种扬声器箱，其包括具有收容空间的外壳、收容于所述外壳的所述收容空间内的发声单体和收容于所述收容空间内并罩设于所述发声单体的透气隔离件；所述外壳包括上盖和下盖，所述发声单体包括具有磁轭的磁路系统，所述下盖包括底壁、设于所述底壁上的安装孔以及围合形成所述安装孔的孔壁，磁轭安装于安装孔并外露于收容空间，透气隔离件包括套接部，磁轭包括第一倾斜面，套接部套设并紧贴于第一倾斜面，第一倾斜面、套接部与孔壁接合形成密封槽，扬声器箱还包括密封胶，密封胶填充于密封槽并连接所述发声单体、透气隔离件和所述孔壁。上述扬声器箱保证透气隔离件、发声单体和下盖的稳定封装，有效的利用了所述后腔的体积。

Description

扬声器箱 技术领域
本发明涉及声电领域，尤其涉及一种扬声器箱。
 背景技术
随着移动互联网时代的到来，智能移动设备的数量不断上升。而在众多移动设备之中，手机无疑是最常见、最便携的移动终端设备。目前，手机的功能极其多样，其中之一便是高品质的音乐功能，因此，用于播放声音的扬声器箱被大量应用到现在的智能移动设备之中。
相关技术的扬声器箱包括具有收容空间的外壳和收容于外壳内的发声单体，所述发声单体将所述收容空间分隔成前腔和后腔。相关技术的所述扬声器箱还包括设置在后腔内并与发声单体相隔的挡墙和设置在挡墙上的透气件。所述挡墙和透气件配合将后腔分隔出独立空间用于填充吸音颗粒。所述挡墙占用了所述后腔的空间，使得所述后腔的体积利用率低，进而无法进一步提高所述扬声器箱的声学性能。
因此，必须提供一种新的扬声器箱以解决上述技术问题。
 技术问题
本发明的目的在于提供一种提高后腔利用率的扬声器箱。
 技术解决方案
为了达到上述目的，本发明提供了一种扬声器箱，其包括具有收容空间的外壳、收容于所述外壳的所述收容空间内的发声单体和收容于所述收容空间内并罩设于所述发声单体的透气隔离件，所述发声单体和所述透气隔离件共同将所述收容空间分隔成前腔和后腔；所述外壳包括上盖和下盖，所述发声单体固定于所述下盖，其包括固定于外壳的盆架、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的磁路系统，所述磁路系统包括固定于所述下盖的磁轭，所述下盖包括底壁、设于所述底壁上的安装孔以及围合形成所述安装孔的孔壁，所述磁轭安装于所述安装孔并外露于所述收容空间，所述后腔内填充吸音颗粒，所述透气隔离件将所述吸音颗粒封装于所述后腔内，所述发声单体具有内腔，所述盆架与所述磁轭间隔形成连通部，所述内腔依次经所述连通部及所述透气隔离件与所述后腔连通，所述透气隔离件包括罩体和自所述罩体的两端延伸的第一固定部和套接部，所述第一固定部与所述盆架连接，所述罩体环绕所述发声单体周侧设置且完全覆盖所述连通部，所述套接部套设并紧贴于所述磁轭，所述磁轭包括第一倾斜面，所述套接部套设并紧贴于所述第一倾斜面，所述第一倾斜面、所述套接部与所述孔壁接合形成所述密封槽，所述扬声器箱还包括密封胶，所述密封胶填充于所述密封槽并连接所述发声单体、所述透气隔离件和所述孔壁。
优选地，所述磁轭还包括远离所述振动系统的并与所述第一倾斜面连接的第一端面，所述套接部包括与所述第一端面平行的第二端面和与所述第二端面连接的第二斜面，所述第一端面、所述第一倾斜面、所述第二端面以及所述第二斜面呈阶梯状设置。
优选地，所述第一倾斜面与所述第二端面的夹角为锐角。
优选地，所述下盖的底壁包括远离所述上盖并与所述第一端面平行的第三端面，所述孔壁包括与所述发声单体相对的第三斜面和竖直面，所述第三端面、所述第三斜面和所述竖直面依次连接，所述第一端面比所述第三端面更靠近所述上盖，所述第三斜面与所述竖直面的连接处与所述第二斜面相对。
优选地，所述磁轭还包括设于所述第一倾斜面且间隔设置的多个固定槽，所述盆架包括盆架体和自所述盆架体靠近所述磁轭的一端伸出的多个间隔设置的延伸臂，多个所述延伸臂分别安装于多个所述固定槽中，所述罩体包围所述延伸臂，所述延伸臂远离所述盆架体的一端设有第四斜面，所述第四斜面与所述第一倾斜面连接且共面。
 有益效果
与相关技术相比，本发明提供的上述扬声器箱先通过透气隔离件包覆所述发声单体，然后将所述发声单体与所述下盖封装固定。具体的，所述磁轭包括第一倾斜面，所述透气隔离件的套接部套设并紧贴于所述第一倾斜面，所述第一倾斜面、所述套接部与所述下盖的所述孔壁接合形成所述密封槽，所述密封胶填充于所述密封槽，保证透气隔离件、发声单体和下盖的稳定封装，有效的利用了所述后腔的体积。
 附图说明
为了更清楚地说明本发明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发明的一些实施例，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为本发明扬声器箱的分解图，所述扬声器箱包括外壳、发声单体和透气隔离件，所述外壳包括上盖和下盖。
图2为图1所示的所述下盖的立体结构示意图。
图3为图1所示的所述发声单体的爆炸结构示意图，所述发声单体包括磁路系统，所述磁路系统包括磁轭。
图4为图3所示的磁轭的立体结构示意图。
图5为图1所示的透气隔离件的立体结构示意图。
图6为图1所示扬声器箱组装后去掉密封胶的结构示意图。
图7为图6所示扬声器箱在另一角度的结构示意图。
图8为图7所示扬声器箱沿A-A方向的剖面结构示意图。
图9为图8所示扬声器箱在B处的放大结构示意图。
 本发明的实施方式
下面将结合本发明实施例中的附图，对本发明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发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，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，都属于本发明保护的范围。
请同时参阅图1-9，根据本发明提供的扬声器箱100扬声器箱，其包括具有收容空间40的外壳10和收容于所述外壳10的所述收容空间40内的发声单体20和收容于所述收容空间40内并罩设于所述发声单体20的透气隔离件30，所述发声单体20和所述透气隔离件30共同将所述收容空间40分隔成前腔41和后腔42，并通过密封胶60与所述外壳10连接固定，保证了所述发声单体20与所述外壳10的稳定封装。所述后腔42内填充吸音颗粒70，所述透气隔离件30将所述吸音颗粒70封装于所述后腔42内，无需在所述后腔42内设置挡墙，有效的利用了所述后腔42的体积，增加了所述吸音颗粒70的填充体积，提高了所述扬声器箱100的声学性能。
具体地，所述外壳10包括上盖11和下盖12，所述上盖11包括顶壁111和自所述顶壁111边沿弯折延伸的侧壁112。所述下盖12包括底壁121、设于所述底壁121上的安装孔122以及围合形成所述安装孔122的孔壁123，所述底壁121包括远离所述上盖11的第三端面1211，所述孔壁123包括与所述发声单体20相对的第三斜面1231和竖直面1232，所述第三端面1211、所述第三斜面1231和所述竖直面1232依次连接。所述侧壁112和所述底壁121接合以使所述上盖11和所述下盖12组合构成所述收容空间40，所述发声单体20安装于所述安装孔122并与所述孔壁123的所述第三斜面1231、所述竖直面1232配合形成环形状的密封槽50，所述密封胶60填充于所述密封槽50并连接所述发声单体20和所述孔壁123。所述发声单体20与所述上盖11间隔设置形成所述前腔41，所述发声单体20、所述上盖11以及所述下盖12围合形成所述后腔42。
进一步地，所述发声单体20包括盆架21以及分别固定于所述盆架21的振动系统22、具有磁间隙236的磁路系统23、套设并固定于所述盆架21的中框24和罩设于所述磁路系统23并与所述中框24连接的透气隔离件30，所述振动系统22和所述磁路系统23围合形成内腔25，所述盆架21与所述磁路系统23间隔形成连通部26，所述内腔25依次经所述连通部26及所述透气隔离件30与所述后腔42连通。
所述盆架21用于支撑所述振动系统22和所述磁路系统23，其包括盆架体211和自所述盆架体211靠近所述磁路系统23的一端伸出的多个间隔设置的延伸臂212，所述延伸臂212远离所述盆架体211的一端设有第四斜面213。所述中框24固定于所述盆架体211，所述磁路系统23与所述延伸臂212连接，所述透气隔离件30包围所述延伸臂212。
所述振动系统22包括固定于所述盆架体211的振膜221、插设于所述磁间隙236以驱动所述振膜221振动发声的音圈222以及固定于所述盆架体211并与所述振膜221相对且间隔设置的弹性支撑件23。所述振膜221包括折环2211、自所述折环2211的两侧延伸出的第二固定部2212和振动部2213以及固定于所述振动部2213的球顶2214，所述音圈222包括音圈骨架2221和音圈绕线柱2222，所述音圈骨架2221与所述振动部2213连接，所述音圈骨架2221远离所述振动部2213的一端与所述音圈绕线柱2222连接，所述音圈绕线柱2222与所述弹性支撑件223连接，所述弹性支撑件223与所述盆架本体211和所述中框24连接。可选地，所述弹性连接件223为柔性电路板，所述弹性连接件223还与所述音圈绕线柱2222电性连接。
所述磁路系统23包括与所述盆架本体211固定连接的磁轭231、设于所述磁轭231上的主磁钢232和多个副磁钢233、盖设于所述主磁钢232上的主极芯234、与所述盆架本体211连接的上夹板235，所述磁轭231与所述盆架21间隔形成所述连通部26。所述多个副磁钢233与所述主磁钢232间隔设置形成所述磁间隙236。所述上夹板235包括固定于所述盆架211的环形部2351和设于所述环形部2351上的多个副极芯2352，所述环形部2351与所述盆架本体211连接，所述多个副极芯2352与所述多个副磁钢233远离所述磁轭231的一端贴合。所述磁轭231包括第一倾斜面2312、远离所述振动系统22的并与所述第一倾斜面2312连接的第一端面2311以及设于所述第一倾斜面2312且间隔设置的多个固定槽2313，所述磁轭231安装于所述安装孔122，所述第一倾斜面2312与所述下盖12的所述孔壁123接合形成所述密封槽50，所述密封胶60连接所述第一倾斜面2312和所述孔壁123。所述盆架21的多个所述延伸臂211分别安装于多个所述固定槽2313中，所述第四斜面213与所述第一倾斜面2312连接且共面。所述第一端面2311与所述第三端面1211均为平面且相互平行，所述第一端面2311比所述第三端面1211更靠近所述上盖11。
所述透气隔离件30包括罩体31和自所述罩体31的两端延伸的第一固定部32和套接部33，所述第一固定部32与所述弹性支撑件223远离所述中框24的一端连接，并通过所述弹性支撑件223和所述中框24与所述盆架21连接。所述罩体31环绕所述发声单体20周侧设置且完全覆盖所述连通部26，并包围所述主磁钢232和所述多个副磁钢233，所述套接部33套设并紧贴于所述磁轭231的所述第一倾斜面2312，所述第一倾斜面2312、所述套接部33与所述孔壁123接合形成所述密封槽50。
具体地，所述套接部33包括与所述第一端面2311平行的第二端面331和与所述第二端面331连接的第二斜面332，所述第一端面2311、所述第一倾斜面2312、所述第二端面以2351及所述第二斜面332呈阶梯状设置，且所述第一倾斜面2312与所述第二端面2351的夹角为锐角，所述第一端面2311、所述第一倾斜面2312、所述第二端面2351以及所述第二斜面2352与所述孔壁123的所述第三斜面和1231所述竖直面1232间隔设置，以形成所述密封槽50。其中，所述第三斜面1231和所述竖直面1232的连接处与所述第二斜面相对2352，且所述竖直面1232与所述第二斜面2352的间距朝远离所述上盖11的方向逐渐增大形成类似喇叭口状的密封槽50。另外，由于所述密封槽50包括多个斜面（2312、332、1231），使得所述密封槽50与所述密封胶60的接触面积增加，从而提高了所述密封槽50与所述密封胶60粘接的牢固性。
与相关技术相比，本发明提供的上述扬声器箱先通过透气隔离件包覆所述发声单体，然后将所述发声单体与所述下盖封装固定。具体的，所述磁轭包括第一倾斜面，所述透气隔离件的套接部套设并紧贴于所述第一倾斜面，所述第一倾斜面、所述套接部与所述下盖的所述孔壁接合形成所述密封槽，所述密封胶填充于所述密封槽，保证透气隔离件、发声单体和下盖的稳定封装，有效的利用了所述后腔的体积。
以上所述的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。

Claims (5)

  1. 一种扬声器箱，其包括具有收容空间的外壳、收容于所述外壳的所述收容空间内的发声单体和收容于所述收容空间内并罩设于所述发声单体的透气隔离件，所述发声单体和所述透气隔离件共同将所述收容空间分隔成前腔和后腔；所述外壳包括上盖和下盖，所述发声单体固定于所述下盖，其包括固定于外壳的盆架、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的磁路系统，所述磁路系统包括固定于所述下盖的磁轭，所述下盖包括底壁、设于所述底壁上的安装孔以及围合形成所述安装孔的孔壁，所述磁轭安装于所述安装孔并外露于所述收容空间，所述后腔内填充吸音颗粒，所述透气隔离件将所述吸音颗粒封装于所述后腔内，其特征在于，所述发声单体具有内腔，所述盆架与所述磁轭间隔形成连通部，所述内腔依次经所述连通部及所述透气隔离件与所述后腔连通，所述透气隔离件包括罩体和自所述罩体的两端延伸的第一固定部和套接部，所述第一固定部与所述盆架连接，所述罩体环绕所述发声单体周侧设置且完全覆盖所述连通部，所述套接部套设并紧贴于所述磁轭，所述磁轭包括第一倾斜面，所述套接部套设并紧贴于所述第一倾斜面，所述第一倾斜面、所述套接部与所述孔壁接合形成所述密封槽，所述扬声器箱还包括密封胶，所述密封胶填充于所述密封槽并连接所述发声单体、所述透气隔离件和所述孔壁。
  2. 根据权利要求1所述的扬声器箱，其特征在于，所述磁轭还包括远离所述振动系统的并与所述第一倾斜面连接的第一端面，所述套接部包括与所述第一端面平行的第二端面和与所述第二端面连接的第二斜面，所述第一端面、所述第一倾斜面、所述第二端面以及所述第二斜面呈阶梯状设置。
  3. 根据权利要求2所述的扬声器箱，其特征在于，所述第一倾斜面与所述第二端面的夹角为锐角。
  4. 根据权利要求2或3所述的扬声器箱，所述下盖的底壁包括远离所述上盖并与所述第一端面平行的第三端面，所述孔壁包括与所述发声单体相对的第三斜面和竖直面，所述第三端面、所述第三斜面和所述竖直面依次连接，所述第一端面比所述第三端面更靠近所述上盖，所述第三斜面与所述竖直面的连接处与所述第二斜面相对。
  5. 根据权利要求4所述的扬声器箱，其特征在于，所述磁轭还包括设于所述第一倾斜面且间隔设置的多个固定槽，所述盆架包括盆架体和自所述盆架体靠近所述磁轭的一端伸出的多个间隔设置的延伸臂，多个所述延伸臂分别安装于多个所述固定槽中，所述罩体包围所述延伸臂，所述延伸臂远离所述盆架体的一端设有第四斜面，所述第四斜面与所述第一倾斜面连接且共面。
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9402126B2 (en) * 2014-04-17 2016-07-26 Merry Electronics (Shenzhen) Co., Ltd. Earphone with passive radiator
JP2017112507A (ja) * 2015-12-17 2017-06-22 パナソニックＩｐマネジメント株式会社 スピーカシステム
CN109495826A (zh) * 2018-12-31 2019-03-19 瑞声声学科技(深圳)有限公司 扬声器箱
CN210093477U (zh) * 2019-06-03 2020-02-18 瑞声科技(新加坡)有限公司 扬声器箱
CN210093528U (zh) * 2019-06-30 2020-02-18 瑞声科技(新加坡)有限公司 扬声器箱

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9402126B2 (en) * 2014-04-17 2016-07-26 Merry Electronics (Shenzhen) Co., Ltd. Earphone with passive radiator
JP2017112507A (ja) * 2015-12-17 2017-06-22 パナソニックＩｐマネジメント株式会社 スピーカシステム
CN109495826A (zh) * 2018-12-31 2019-03-19 瑞声声学科技(深圳)有限公司 扬声器箱
CN210093477U (zh) * 2019-06-03 2020-02-18 瑞声科技(新加坡)有限公司 扬声器箱
CN210093528U (zh) * 2019-06-30 2020-02-18 瑞声科技(新加坡)有限公司 扬声器箱

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