WO2021253541A1 - Loudspeaker enclosure - Google Patents

Loudspeaker enclosure Download PDF

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Publication number
WO2021253541A1
WO2021253541A1 PCT/CN2020/101279 CN2020101279W WO2021253541A1 WO 2021253541 A1 WO2021253541 A1 WO 2021253541A1 CN 2020101279 W CN2020101279 W CN 2020101279W WO 2021253541 A1 WO2021253541 A1 WO 2021253541A1
Authority
WO
WIPO (PCT)
Prior art keywords
wall
upper cover
sound
support wall
lower cover
Prior art date
Application number
PCT/CN2020/101279
Other languages
French (fr)
Chinese (zh)
Inventor
丁健华
吴树文
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.)
Filing date
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 WO2021253541A1 publication Critical patent/WO2021253541A1/en

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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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • 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 technical field of an electro-acoustic conversion device, in particular to a speaker box.
  • the speaker box of the related art includes an upper cover, a lower cover assembled with the upper cover to form a receiving space, a sounding unit separately received in the receiving space, a ring-shaped bracket, and a breathable partition; the bracket
  • the upper cover is fixed and arranged around the sound-producing unit, the periphery of the air-permeable isolator is fixed to the bracket, and the sound-producing unit and the air-permeable isolator together separate the receiving space into a front cavity and a rear cavity. Cavity to achieve a full filling structure in the back cavity.
  • the purpose of the utility model is to provide a loudspeaker box with excellent low-frequency acoustic performance and high assembly efficiency.
  • the present invention provides a loudspeaker box, which includes a lower cover, an upper cover that is covered on the lower cover and jointly encloses an accommodation space, a sounding monomer accommodated in the accommodation space, and an air-permeable isolation
  • the upper cover includes an upper cover body covering the lower cover and a first support wall protruding from the upper cover body toward the lower cover, the sounding monomer includes a magnetic circuit system, The sound-emitting monomer is supported and fixed to the first support wall, wherein the upper cover further includes a second support wall protruding from the upper cover body toward the lower cover, and the second support The wall is arranged around the first support wall, and the second support wall is at least partially spaced apart from the first support wall; the air-permeable spacer includes a cover provided on the sound emitting monomer and is connected to the lower cover
  • the main body portions are spaced apart and an extension wall that is bent and extended from the periphery of the main body portion toward the upper cover body, the extension wall is fixed
  • the second supporting wall includes two oppositely arranged first side walls and two relatively spaced apart and two second side walls connecting the two first side walls, at least one of the first side walls
  • the side wall and the first supporting wall are relatively spaced apart.
  • one of the two first side walls is arranged opposite to the first supporting wall, and the other abuts against the first supporting wall; and the two second side walls abut against the first supporting wall respectively. Mentioned first supporting wall.
  • the upper cover further includes a support column protruding from the upper cover body in the direction of the lower cover, and the support column is located on the first side wall and the first side wall spaced from the first support wall. Between the first supporting walls, the main body portion is supported by the supporting column.
  • the extension wall includes a first extension wall bent and extended from the periphery of the main body portion toward the upper cover body, and a second extension wall bent and extended from the first extension wall away from the sound emitting unit.
  • An extension wall, and the second extension wall is fixed to the second support wall.
  • the extension wall further includes a third extension wall bent and extended from the second extension wall to the upper cover body, and the third extension wall abuts a side surface of the second support wall.
  • the second extension wall and the second support wall are glued and sealed.
  • the magnetic circuit system includes a magnetic yoke fixed to the vocal unit away from the upper cover body, the magnetic yoke is recessed to form a glue container groove for accommodating glue, and the main body extends to the container.
  • the glue groove is glued and sealed with the magnetic yoke, and the magnetic yoke part is exposed through the through hole.
  • the air-permeable spacer is located between the sound-producing monomer and the lower cover, and the air-permeable spacer and the sound-producing monomer jointly separate the storage space into a front cavity and a rear cavity;
  • the cavity is filled with sound-absorbing particles, and the air-permeable spacer encapsulates the sound-absorbing particles in the rear cavity.
  • the speaker box further includes a circuit board, one end of the circuit board is fixedly electrically connected to the sound emitting unit, and the other end of the circuit board extends outside the receiving space through the rear cavity; the second support wall is provided with There is a relief groove formed by its end close to the main body part and recessed in a direction away from the lower cover, and the circuit board is clamped to the relief groove and extends through the relief groove.
  • the circuit board includes a first section sandwiched and fixed between the extension wall and the second support wall, and extends from opposite ends of the first section to the sound-producing monomer and is connected to the The second section of the vocal unit forming an electrical connection and the third section bent away from the vocal unit from the first section; Three sections extend through the upper cover and extend out of the containing space.
  • the sound-producing monomer is supported and fixed to the first supporting wall
  • the air-permeable isolator includes a main body part covered on the sound-producing monomer and spaced apart from the lower cover, and The peripheral edge is an extension wall that is bent and extended to the upper cover body.
  • the extension wall is arranged around the peripheral side of the sounding monomer.
  • the extension wall is fixed to the second supporting wall and is sealed with the second supporting wall, so that the air-permeable spacer and the sounding monomer can be combined together
  • the storage space is divided into a front cavity and a rear cavity.
  • the above-mentioned structure is that the rear cavity on the side of the air-permeable partition away from the sound-emitting monomer can be filled with sound-absorbing particles as a virtual sound cavity to improve the filling efficiency of the sound-absorbing particles in the rear cavity and effectively improve low-frequency acoustics
  • the performance provides conditions.
  • the process of glueing and fixing the bracket used to support the breathable spacer in the related art is omitted, and the breathable spacer is directly sealed and fixed to the second support wall, effectively improving
  • the magnetic circuit system part can be exposed through the through holes, so that after the sound-producing monomer and the air-permeable spacer are fixed, the overall height of the internal structure will not be caused by the superimposition of the structure. The increase of is conducive to the miniaturization of the speaker box.
  • Figure 1 is a schematic diagram of the three-dimensional structure of the speaker box of the present invention.
  • Figure 2 is an exploded schematic diagram of a part of the three-dimensional structure of the speaker box of the present invention.
  • Figure 3 is a schematic diagram of the three-dimensional structure of the upper cover of the utility model
  • Figure 4 is a cross-sectional view taken along line A-A in Figure 1;
  • Figure 5 is a partial enlarged view of the part shown in Figure 4 B;
  • Figure 6 is a schematic partial cross-sectional view of a derivative embodiment of the speaker box of the present invention.
  • Figure 7 is a schematic structural view of another embodiment of the powder filling hole in the speaker box of the present invention.
  • Fig. 8 is a schematic structural view of another embodiment of the powder filling hole in the speaker box of the present invention.
  • the present invention provides a speaker box 100, which includes a lower cover 1, an upper cover 2, a sound-producing monomer 3, and a breathable isolation member 4.
  • the lower cover 1 is disposed on the upper cover 2 and jointly encloses a receiving space 10.
  • the upper cover 2 includes an upper cover body 21 covering the lower cover 1, and a ring-shaped first support wall 22 projecting from the upper cover body 21 toward the lower cover 1. And a second supporting wall 23, and a sound guide channel 24 formed on the upper cover body 21, the second supporting wall 23 is arranged around the outer peripheral side of the first supporting wall 22, and the second supporting wall 23 At least part of the first supporting wall 22 is spaced apart from each other.
  • the specific structure of the second supporting wall 23 is not limited.
  • the second supporting wall 23 is rectangular as an example.
  • 23 includes two oppositely arranged first side walls 231 and two oppositely arranged second side walls 232.
  • the two first side walls 231 are respectively located on both sides of the minor axis of the second supporting wall 23, and two
  • the second side walls 232 are respectively located on both sides of the long axis of the second supporting wall 23; each of the second side walls 232 is connected to two of the first side walls 231, at least one of the first side walls 231
  • the side wall 231 is relatively spaced from the first supporting wall 22; of course, it is also feasible that the second supporting wall has a circular ring shape.
  • one of the two first side walls 231 is located on the side of the upper cover 2 away from the first support wall 22 and is arranged opposite to the first support wall 22, and the other is located on the upper side
  • the cover 2 is close to one side of the first supporting wall 22 and abuts against the first supporting wall 22; the two second side walls 232 abut against the first supporting wall 22 respectively; of course, in the other
  • the second supporting wall is completely spaced from the first supporting wall, that is, it is also feasible that the two first side walls and the two second side walls are spaced apart from the first supporting wall.
  • the sound emitting unit 3 is received in the receiving space 10 and supported by the upper cover 2.
  • the sound generating unit 3 includes a basin frame 31 and a vibration system 32 and a magnetic circuit system 33 respectively fixed on opposite sides of the basin frame 31.
  • the magnetic circuit system 33 is used to provide a driving force to drive the vibration system 32. Vibration and sound; the magnetic circuit system 33 includes a magnetic yoke 331 fixed on the side of the basin frame 31 away from the upper cover body 21.
  • the sound emitting unit 3 is supported and fixed on the first supporting wall 22 by the basin frame 31.
  • the periphery of the basin frame 31 is fixed to the first supporting wall 22 by glue.
  • the air-permeable spacer 4 is accommodated in the accommodating space 10 and is located between the sound-producing monomer 3 and the lower cover 1.
  • the air-permeable spacer 4 and the sound-producing monomer 3 jointly hold the
  • the space 10 is divided into a front chamber 101 and a rear chamber 102.
  • the front cavity 101 is used for sound production, and the sound guide channel 24 forms the front cavity 101 into a side sound production structure.
  • the rear cavity 102 is filled with sound-absorbing particles 5, and the air-permeable spacer 4 encapsulates the sound-absorbing particles 5 in the rear cavity 102 to form a DBASS virtual acoustic cavity for further improving low-frequency acoustic performance.
  • the vibration system 32 is spaced from the upper cover body 21 to form a front acoustic cavity 6, and the sound guide channel 24 connects the front acoustic cavity 6 with the outside and forms the front cavity 101 together for forming a side sound emitting structure.
  • the sound emitting monomer 3, the air-permeable isolator 4, the upper cover 2 and the lower cover 1 jointly enclose the rear cavity 102 for improving low-frequency acoustic performance.
  • the air-permeable isolator 4 includes a main body 41 that is arranged on the sound-producing monomer 3 and is spaced apart from the lower cover 1, and is bent toward the upper cover body 21 from the periphery of the main body 41
  • An extended extension wall 42 which is arranged around the peripheral side of the sound emitting unit 3, and the extension wall 42 is fixedly supported on the second support wall 23 and sealed with the second support wall 23 , A part of the main body 41 is pressed on the yoke 331 of the magnetic circuit system 33 and sealed with the magnetic circuit system 33, and the other part is spaced apart from the sound-producing unit 3; the air-permeable spacer 4.
  • the sound emitting monomer 3 and the upper cover 2 jointly enclose an inner sound cavity 103.
  • the formed inner acoustic cavity 103 has a sufficiently large cavity volume, which is more conducive to improving the low-frequency acoustic performance of the speaker box 100.
  • the extension wall 42 passes between the inner acoustic cavity 103 and the rear cavity 102. Air communication is realized with the part spaced from the main body 41 and the sound emitting unit 3, to ensure the smooth air communication between the inner acoustic cavity 103 and the rear cavity 102, and to improve the inner acoustic cavity 103 to the rear.
  • the air compliance of the cavity 102 further improves the low-frequency acoustic performance.
  • the air-permeable spacer 4 forms a three-dimensional structure, and the air-permeable spacer 4 and the magnetic yoke 331 jointly separate the inner acoustic cavity 103 from the rear cavity 102 to prevent sound-absorbing particles 5 from being removed from the rear cavity 102. It enters the inner sound cavity 103 and then enters the inside of the sound emitting unit 3 to affect the sound production performance, which effectively improves the sound production reliability of the speaker box 100.
  • the rear cavity 102 on the side of the air-permeable spacer 4 away from the sound-producing monomer 3 can be fully filled with sound-absorbing particles 5 as the D-BASS virtual sound cavity, which greatly improves the filling efficiency of the sound-absorbing particles 5 in the rear cavity 102 , which effectively improves the low-frequency acoustic performance of the speaker box 100.
  • the upper cover 2 further includes the upper cover body 21 A supporting wall 25 protruding in the direction of the lower cover 1, and the supporting column 25 is located between the first side wall 231 and the first supporting wall 22 spaced apart from the first supporting wall 22, The main body 41 is supported by the support column 25.
  • the number of the supporting columns 25 and their positional relationship are not limited.
  • the air-permeable spacer 4 is taken as an example for explanation.
  • the supporting columns 25 include two, two The support posts 25 are respectively arranged at two adjacent corners of the first side wall 231 spaced apart from the first support wall 22 to provide a fixed support for the air-permeable spacer 4, which effectively improves
  • the overall compressive strength of the air-permeable spacer 4 effectively prevents the air-permeable spacer 4 from being crushed during the powder filling process, effectively improves the assembly reliability of the air-permeable spacer 4, and further provides the speaker box 100 Reliability.
  • the extension wall 42 is a structure that is continuously bent and extended, and includes a first extension wall 421 bent and extended from the periphery of the main body 41 toward the upper cover body 21.
  • 421 is a second extension wall 422 that is bent and extended away from the sound emitting unit 3.
  • the second extension wall 422 is fixed to the second support wall 23, and the extension wall 42.
  • the second extension wall 422 and the second support wall 23 form a seal, and the second extension wall 422 is a flanged structure, which can effectively increase the gap between the second support wall 23 and the extension wall 42 The connection area between the two to ensure the reliability of the sealing and fixing of the two.
  • the manner of sealing between the second extension wall 422 and the second support wall 23 is not limited.
  • the second extension wall 422 and the second support wall 23 The two supporting walls 23 are sealed by glue; and in order to ensure the bonding area between the two, it is necessary to ensure the thickness of the glue between the second extension wall 422 and the second supporting wall 23, and the The second extension wall 422 has a certain width, and the second support wall 23 has a certain wall thickness, which can be set according to actual conditions.
  • the thickness of the second support wall 23 It is 0.60 mm, and 0.60 mm of glue can be applied between the second extension wall 422 and the second support wall 23 to ensure the reliability of the adhesive seal between the two.
  • the extension wall 42a of the air-permeable spacer 4a further includes a third extension wall 423a bent and extended from the second extension wall 422a to the upper cover body 21a.
  • the wall 423a abuts against the side of the second supporting wall 23a. This arrangement further increases the connection area between the air-permeable spacer 4a and the second supporting wall 23a, thereby making the reliability of the sealing and fixing between the two higher.
  • the magnetic yoke 331 is recessed to form a glue container for accommodating glue Groove 3310, the main body 41 extends into the glue containing groove 3310 and is pressed against the yoke 331, and glue is applied in the glue containing groove 3310, so that the main body 41 and the yoke 331 Glue seal between.
  • the speaker box 100 further includes a circuit board 7, one end of the circuit board 7 is fixedly electrically connected to the sound emitting unit 3, and the other end of the circuit board 7 extends outside the receiving space 10 through the rear cavity 102 for the sound generation
  • the single body 3 introduces external electrical signals;
  • the second support wall 23 is provided with a relief groove 230 formed by its end close to the main body 41 in a direction away from the lower cover 1, and the circuit board 7 is clamped It extends outside the receiving space 10 in the relief slot 230 and through the relief slot 230.
  • the circuit board 7 includes a first section 71 interposed and fixed between the extension wall 42 and the second supporting wall 23 and the sound emitting unit 3, and the first section 71 is opposite to each other.
  • a second section 72 extending from both ends to the sound emitting monomer 3 and electrically connected to the sound emitting monomer 3, and a third section 73 bent away from the sound emitting monomer 3 from the first section 71
  • the first section 71 is clamped to the recess 230, and the third section 73 penetrates the upper cover 2 and extends to the outside of the receiving space 10 for connecting external electrical signals.
  • the upper cover 2 is further provided with a supporting wall 26 protruding from the outside thereof, and the third section 73 is attached to the supporting wall 26 to form a support for the third section 73 to facilitate communication with External electrical signal source connection.
  • the supporting wall 26 is provided with a positioning post 261 on one side close to the third section 73, and the third section 73 is provided with a positioning hole 731 penetrating therethrough, and the positioning post 261 is inserted into the third section 73.
  • the positioning hole 731 the positioning of the third section 73 is formed, which improves the assembly efficiency on the one hand, and prevents the movement of the third section 73 on the other hand, and improves the stability of the connection with the external power signal.
  • the speaker box 100 is further provided with a powder filling hole 9 and a sealing cover 91 covering the powder filling hole 9.
  • the powder filling hole 9 is in communication with the rear cavity 102 for filling the rear cavity 102 with sound-absorbing particles 5.
  • the powder filling holes 9 include at least two, and they are provided on the upper cover 2 and the lower cover 1 respectively.
  • the setting of the powder filling hole 9 is not limited to the above method, and can also be set separately:
  • the powder filling hole 409 includes the upper cover 402 and the sealing cover 491 covers the powder filling hole 409.
  • the powder filling hole 509 includes the lower cover 501 and the sealing cover 591 covers the powder filling hole 509.
  • the sound-producing monomer is supported and fixed to the first supporting wall
  • the air-permeable isolator includes a main body part covered on the sound-producing monomer and spaced apart from the lower cover, and The peripheral edge is an extension wall that is bent and extended to the upper cover body.
  • the extension wall is arranged around the peripheral side of the sounding monomer.
  • the extension wall is fixed to the second supporting wall and is sealed with the second supporting wall, so that the air-permeable spacer and the sounding monomer can be combined together
  • the storage space is divided into a front cavity and a rear cavity.
  • the above-mentioned structure is that the back cavity on the side of the air-permeable spacer away from the sound-producing monomer can be filled with sound-absorbing particles as a virtual sound cavity to improve the filling efficiency of the sound-absorbing particles in the back cavity and effectively improve low-frequency acoustics
  • the performance provides conditions.
  • the process of glueing and fixing the bracket used to support the breathable spacer in the related art is omitted, and the breathable spacer is directly sealed and fixed to the second support wall, effectively improving
  • the magnetic circuit system part can be exposed through the through holes, so that after the sound-producing monomer and the air-permeable spacer are fixed, the overall height of the internal structure will not be caused by the superimposition of the structure. The increase of is conducive to the miniaturization of the speaker box.

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

Abstract

The present utility model provides a loudspeaker enclosure comprising a lower cover, an upper cover covering the lower cover and forming an accommodation space together with the lower cover, a sound generating unit accommodated in the accommodation space, and an air-permeable separator; the upper cover comprises an upper cover body and a first support wall and a second support wall formed from the upper cover body separately extending out in the direction of the lower cover; the sound generating unit comprises a magnetic circuit system, and the sound generating unit is fixed to the first support wall; the second support wall surrounds the first support wall and at least part of the second support wall is arranged at an interval from the first support wall; the air-permeable separator comprises a main body portion covering the sound generating unit and being arranged at an interval from the lower cover, and comprises an extending wall formed from the peripheral edge of the main body portion extending out and bending toward the upper cover body, the extending wall being fixed to the second support wall and forming a seal together with the second support wall; the main body portion is provided with a through hole, and a portion of the magnetic circuit system is exposed to the exterior by means of the through hole; the main body portion presses on the magnetic circuit system and forms a seal together with the magnetic circuit system. Compared to the prior art, the loudspeaker enclosure of the present utility model has good low frequency acoustic performance and high assembly efficiency.

Description

扬声器箱Speaker box 技术领域Technical field
本实用新型涉及一种电声转换装置技术领域，尤其涉及一种扬声器箱。The utility model relates to the technical field of an electro-acoustic conversion device, in particular to a speaker box.
背景技术Background technique
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。With the advent of the mobile Internet era, the number of smart mobile devices continues to rise. Among many mobile devices, mobile phones are undoubtedly the most common and most portable mobile terminal devices. At present, mobile phones have extremely diverse functions, one of which is high-quality music functions. Therefore, speaker boxes for playing sound are widely used in current smart mobile devices.
相关技术的所述扬声器箱包括上盖、与该上盖组配形成一收容空间的下盖、分别收容于该收容空间内的发声单体、呈环状的支架及透气隔离件；所述支架固定所述上盖并环绕所述发声单体设置，所述透气隔离件的周缘固定于所述支架，所述发声单体及所述透气隔离组件共同将所述收容空间分隔为前腔和后腔，以实现后腔内可全灌装结构。The speaker box of the related art includes an upper cover, a lower cover assembled with the upper cover to form a receiving space, a sounding unit separately received in the receiving space, a ring-shaped bracket, and a breathable partition; the bracket The upper cover is fixed and arranged around the sound-producing unit, the periphery of the air-permeable isolator is fixed to the bracket, and the sound-producing unit and the air-permeable isolator together separate the receiving space into a front cavity and a rear cavity. Cavity to achieve a full filling structure in the back cavity.
技术问题technical problem
然而，相关技术的扬声器箱中，需要先将支架与上盖装配胶合，然后再将透气隔离件装配胶合至支架，以实现上述全灌装的发声单体隔离方案。该结构装配胶合步骤较多，严重影响了装配生产效率。However, in the speaker box of the related art, it is necessary to first assemble and glue the bracket and the upper cover, and then assemble and glue the air-permeable spacer to the bracket, so as to realize the above-mentioned full-filled sound-producing monomer isolation solution. The structure has many assembly and gluing steps, which seriously affects the assembly production efficiency.
因此，实有必须提供一种新的扬声器箱解决上述技术问题。Therefore, it is necessary to provide a new speaker box to solve the above technical problems.
技术解决方案Technical solutions
本实用新型的目的在于提供一种低频声学性能优且装配效率高的扬声器箱。The purpose of the utility model is to provide a loudspeaker box with excellent low-frequency acoustic performance and high assembly efficiency.
为了达到上述目的，本实用新型提供一种扬声器箱，其包括下盖、盖设于所述下盖并共同围成收容空间的上盖、收容于所述收容空间内的发声单体以及透气隔离件；所述上盖包括盖设于所述下盖的上盖本体和由所述上盖本体向所述下盖方向凸出延伸的第一支撑壁，所述发声单体包括磁路***，所述发声单体支撑固定于所述第一支撑壁，其特征在于，所述上盖还包括由所述上盖本体向所述下盖方向凸出延伸第二支撑壁，所述第二支撑壁环绕所述第一支撑壁设置，且所述第二支撑壁至少部分与所述第一支撑壁相互间隔设置；所述透气隔离件包括盖设于所述发声单体并与所述下盖间隔设置的主体部和由所述主体部的周缘向所述上盖本体弯折延伸的延伸壁，所述延伸壁固定于所述第二支撑壁且与所述第二支撑壁实现密封，所述主体部设有贯穿其上的通孔，所述磁路***部分经所述通孔实现外露，所述主体部压设于所述磁路***并与所述磁路***实现密封。In order to achieve the above objective, the present invention provides a loudspeaker box, which includes a lower cover, an upper cover that is covered on the lower cover and jointly encloses an accommodation space, a sounding monomer accommodated in the accommodation space, and an air-permeable isolation The upper cover includes an upper cover body covering the lower cover and a first support wall protruding from the upper cover body toward the lower cover, the sounding monomer includes a magnetic circuit system, The sound-emitting monomer is supported and fixed to the first support wall, wherein the upper cover further includes a second support wall protruding from the upper cover body toward the lower cover, and the second support The wall is arranged around the first support wall, and the second support wall is at least partially spaced apart from the first support wall; the air-permeable spacer includes a cover provided on the sound emitting monomer and is connected to the lower cover The main body portions are spaced apart and an extension wall that is bent and extended from the periphery of the main body portion toward the upper cover body, the extension wall is fixed to the second support wall and is sealed with the second support wall, so The main body is provided with a through hole penetrating therethrough, the magnetic circuit system part is exposed through the through hole, and the main body is pressed on the magnetic circuit system and sealed with the magnetic circuit system.
优选的，所述第二支撑壁包括两个相对设置的第一侧壁以及两个相对间隔设置且连接两个所述第一侧壁的两个第二侧壁，至少其中一个所述第一侧壁与所述第一支撑壁相对间隔设置。Preferably, the second supporting wall includes two oppositely arranged first side walls and two relatively spaced apart and two second side walls connecting the two first side walls, at least one of the first side walls The side wall and the first supporting wall are relatively spaced apart.
优选的，两个所述第一侧壁的其中一个与所述第一支撑壁相对间隔设置，另一个抵接于所述第一支撑壁；两个所述第二侧壁分别抵接于所述第一支撑壁。Preferably, one of the two first side walls is arranged opposite to the first supporting wall, and the other abuts against the first supporting wall; and the two second side walls abut against the first supporting wall respectively. Mentioned first supporting wall.
优选的，所述上盖还包括由所述上盖本体向所述下盖方向凸出延伸的支撑柱，所述支撑柱位于与所述第一支撑壁间隔的所述第一侧壁和所述第一支撑壁之间，所述主体部支撑于所述支撑柱。Preferably, the upper cover further includes a support column protruding from the upper cover body in the direction of the lower cover, and the support column is located on the first side wall and the first side wall spaced from the first support wall. Between the first supporting walls, the main body portion is supported by the supporting column.
优选的，所述延伸壁包括由所述主体部的周缘向所述上盖本体弯折延伸的第一延伸壁以及由所述第一延伸壁向远离所述发声单体弯折延伸的第二延伸壁，所述第二延伸壁固定于所述第二支撑壁。Preferably, the extension wall includes a first extension wall bent and extended from the periphery of the main body portion toward the upper cover body, and a second extension wall bent and extended from the first extension wall away from the sound emitting unit. An extension wall, and the second extension wall is fixed to the second support wall.
优选的，所述延伸壁还包括由所述第二延伸壁向上盖本体弯折延伸的第三延伸壁，所述第三延伸壁与所述第二支撑壁侧面抵接。Preferably, the extension wall further includes a third extension wall bent and extended from the second extension wall to the upper cover body, and the third extension wall abuts a side surface of the second support wall.
优选的，所述第二延伸壁与所述第二支撑壁之间打胶密封。Preferably, the second extension wall and the second support wall are glued and sealed.
优选的，所述磁路***包括固定于所述发声单体远离所述上盖本体的磁轭，所述磁轭凹陷形成用于容纳胶水的容胶槽，所述主体部延伸至所述容胶槽内并与所述磁轭胶合密封，所述磁轭部分经所述通孔实现外露。Preferably, the magnetic circuit system includes a magnetic yoke fixed to the vocal unit away from the upper cover body, the magnetic yoke is recessed to form a glue container groove for accommodating glue, and the main body extends to the container. The glue groove is glued and sealed with the magnetic yoke, and the magnetic yoke part is exposed through the through hole.
优选的，所述透气隔离件位于所述发声单体与所述下盖之间，所述透气隔离件与所述发声单体共同将所述收容空间分隔成前腔和后腔；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。Preferably, the air-permeable spacer is located between the sound-producing monomer and the lower cover, and the air-permeable spacer and the sound-producing monomer jointly separate the storage space into a front cavity and a rear cavity; The cavity is filled with sound-absorbing particles, and the air-permeable spacer encapsulates the sound-absorbing particles in the rear cavity.
优选的，所述扬声器箱还包括电路板，所述电路板一端与所述发声单体固定电连接，其另一端经所述后腔延伸至所述收容空间外；所述第二支撑壁设有由其靠近所述主体部的一端向远离所述下盖方向凹陷形成的让位槽，所述电路板卡接于所述让位槽并经所述让位槽延伸。Preferably, the speaker box further includes a circuit board, one end of the circuit board is fixedly electrically connected to the sound emitting unit, and the other end of the circuit board extends outside the receiving space through the rear cavity; the second support wall is provided with There is a relief groove formed by its end close to the main body part and recessed in a direction away from the lower cover, and the circuit board is clamped to the relief groove and extends through the relief groove.
优选的，所述电路板包括夹设固定于所述延伸壁和所述第二支撑壁之间的第一段、由所述第一段的相对两端向所述发声单体延伸并与所述发声单体形成电性连接的第二段以及由所述第一段向远离所述发声单体弯折的第三段；所述第一段卡接于所述让位槽，所述第三段贯穿所述上盖延伸至所述收容空间外。Preferably, the circuit board includes a first section sandwiched and fixed between the extension wall and the second support wall, and extends from opposite ends of the first section to the sound-producing monomer and is connected to the The second section of the vocal unit forming an electrical connection and the third section bent away from the vocal unit from the first section; Three sections extend through the upper cover and extend out of the containing space.
有益效果Beneficial effect
与相关技术相比，本实用新型的扬声器箱中，将发声单体支撑固定于第一支撑壁，透气隔离件包括盖设于发声单体并与下盖间隔设置的主体部和由主体部的周缘向上盖本体弯折延伸的延伸壁，延伸壁环绕发声单体的周侧设置，延伸壁固定于第二支撑壁且与第二支撑壁实现密封，使得透气隔离件可与发声单体共同将收容空间分隔成前腔和后腔，上述结构为透气隔离件远离发声单体一侧的后腔可全部填充吸音颗粒作为虚拟声腔，以提高后腔的吸音颗粒的灌装效率、有效提高低频声学性能提供了条件，同时，通过第二支撑壁的设置，省去了相关技术中用于支撑透气隔离件的支架打胶固定的工序，直接将透气隔离件密封固定于第二支撑壁，有效提高了生产效率；另外，通过在透气隔离件设置通孔，磁路***部分可经通孔实现外露，使得发声单体与透气隔离件固定后，不会因为结构的叠加而导致内部结构的总体高度的增加，有利于扬声器箱的小型化。Compared with the related art, in the speaker box of the present invention, the sound-producing monomer is supported and fixed to the first supporting wall, and the air-permeable isolator includes a main body part covered on the sound-producing monomer and spaced apart from the lower cover, and The peripheral edge is an extension wall that is bent and extended to the upper cover body. The extension wall is arranged around the peripheral side of the sounding monomer. The extension wall is fixed to the second supporting wall and is sealed with the second supporting wall, so that the air-permeable spacer and the sounding monomer can be combined together The storage space is divided into a front cavity and a rear cavity. The above-mentioned structure is that the rear cavity on the side of the air-permeable partition away from the sound-emitting monomer can be filled with sound-absorbing particles as a virtual sound cavity to improve the filling efficiency of the sound-absorbing particles in the rear cavity and effectively improve low-frequency acoustics The performance provides conditions. At the same time, through the arrangement of the second support wall, the process of glueing and fixing the bracket used to support the breathable spacer in the related art is omitted, and the breathable spacer is directly sealed and fixed to the second support wall, effectively improving In addition, by arranging through holes in the air-permeable spacer, the magnetic circuit system part can be exposed through the through holes, so that after the sound-producing monomer and the air-permeable spacer are fixed, the overall height of the internal structure will not be caused by the superimposition of the structure. The increase of is conducive to the miniaturization of the speaker box.
附图说明Description of the drawings
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：In order to explain the technical solutions in the embodiments of the present utility model more clearly, the following will briefly introduce the drawings needed in the description of the embodiments. Obviously, the drawings in the following description are only some implementations of the present utility model. For example, for those of ordinary skill in the art, without creative work, other drawings can be obtained based on these drawings, among which:
图1为本实用新型扬声器箱的立体结构示意图；Figure 1 is a schematic diagram of the three-dimensional structure of the speaker box of the present invention;
图2为本实用新型扬声器箱的部分立体结构分解示意图；Figure 2 is an exploded schematic diagram of a part of the three-dimensional structure of the speaker box of the present invention;
图3为本实用新型的上盖的立体结构示意图；Figure 3 is a schematic diagram of the three-dimensional structure of the upper cover of the utility model;
图4为沿图1中A-A线的剖示图；Figure 4 is a cross-sectional view taken along line A-A in Figure 1;
图5为图4中B所示部分的局部放大图；Figure 5 is a partial enlarged view of the part shown in Figure 4 B;
图6为本实用新型扬声器箱的衍生实施方式的部分截面示意图；Figure 6 is a schematic partial cross-sectional view of a derivative embodiment of the speaker box of the present invention;
图7为本实用新型扬声器箱中灌粉孔设置的另一实施方式结构示意图；Figure 7 is a schematic structural view of another embodiment of the powder filling hole in the speaker box of the present invention;
图8为本实用新型扬声器箱中灌粉孔设置的又一实施方式结构示意图。Fig. 8 is a schematic structural view of another embodiment of the powder filling hole in the speaker box of the present invention.
本发明的实施方式Embodiments of the present invention
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。The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all of them. Examples. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present utility model.
请同时参阅图1-5，本实用新型提供一种扬声器箱100，包括下盖1、上盖2、发声单体3以及透气隔离件4。所述下盖1设于所述上盖2并共同围成收容空间10。Please refer to FIGS. 1-5 at the same time. The present invention provides a speaker box 100, which includes a lower cover 1, an upper cover 2, a sound-producing monomer 3, and a breathable isolation member 4. The lower cover 1 is disposed on the upper cover 2 and jointly encloses a receiving space 10.
具体的，所述上盖2包括盖设于所述下盖1的上盖本体21、由所述上盖本体21向所述下盖1方向凸出延伸的呈环状的第一支撑壁22和第二支撑壁23、以及形成于所述上盖本体21的导声通道24，所述第二支撑壁23环绕所述第一支撑壁22的外周侧设置，且所述第二支撑壁23至少部分与所述第一支撑壁22相互间隔设置。Specifically, the upper cover 2 includes an upper cover body 21 covering the lower cover 1, and a ring-shaped first support wall 22 projecting from the upper cover body 21 toward the lower cover 1. And a second supporting wall 23, and a sound guide channel 24 formed on the upper cover body 21, the second supporting wall 23 is arranged around the outer peripheral side of the first supporting wall 22, and the second supporting wall 23 At least part of the first supporting wall 22 is spaced apart from each other.
值得一提的是，所述第二支撑壁23具体的结构形式是不限，比如，在本实施方式中，以所述第二支撑壁23呈矩形为例展开说明，所述第二支撑壁23包括两个相对设置的第一侧壁231以及两个相对设置的第二侧壁232，两个所述第一侧壁231分别位于所述第二支撑壁23的短轴两侧，两个所述第二侧壁232分别位于所述第二支撑壁23的长轴两侧；每一所述第二侧壁232均连接两个所述第一侧壁231，至少其中一个所述第一侧壁231与所述第一支撑壁22相对间隔设置；当然，第二支撑壁呈圆环形也是可行的。It is worth mentioning that the specific structure of the second supporting wall 23 is not limited. For example, in this embodiment, the second supporting wall 23 is rectangular as an example. 23 includes two oppositely arranged first side walls 231 and two oppositely arranged second side walls 232. The two first side walls 231 are respectively located on both sides of the minor axis of the second supporting wall 23, and two The second side walls 232 are respectively located on both sides of the long axis of the second supporting wall 23; each of the second side walls 232 is connected to two of the first side walls 231, at least one of the first side walls 231 The side wall 231 is relatively spaced from the first supporting wall 22; of course, it is also feasible that the second supporting wall has a circular ring shape.
进一步的，两个所述第一侧壁231其中一个位于所述上盖2远离所述第一支撑壁22的一侧且与所述第一支撑壁22相对间隔设置，另一个位于所述上盖2靠近所述第一支撑壁22的一侧并抵接于所述第一支撑壁22；两个所述第二侧壁232分别抵接于所述第一支撑壁22；当然，在其他实施方式中，第二支撑壁与第一支撑壁完全间隔，即两个第一侧壁和两个第二侧壁均与第一支撑壁间隔设置也是可行的。Further, one of the two first side walls 231 is located on the side of the upper cover 2 away from the first support wall 22 and is arranged opposite to the first support wall 22, and the other is located on the upper side The cover 2 is close to one side of the first supporting wall 22 and abuts against the first supporting wall 22; the two second side walls 232 abut against the first supporting wall 22 respectively; of course, in the other In the embodiment, the second supporting wall is completely spaced from the first supporting wall, that is, it is also feasible that the two first side walls and the two second side walls are spaced apart from the first supporting wall.
所述发声单体3收容于所述收容空间10内并支撑于所述上盖2。所述发声单体3包括盆架31以及分别固定于所述盆架31相对两侧的振动***32和磁路***33，所述磁路***33用于提供驱动力以驱动所述振动***32振动发声；所述磁路***33包括固定于所述盆架31远离所述上盖本体21一侧的磁轭331。The sound emitting unit 3 is received in the receiving space 10 and supported by the upper cover 2. The sound generating unit 3 includes a basin frame 31 and a vibration system 32 and a magnetic circuit system 33 respectively fixed on opposite sides of the basin frame 31. The magnetic circuit system 33 is used to provide a driving force to drive the vibration system 32. Vibration and sound; the magnetic circuit system 33 includes a magnetic yoke 331 fixed on the side of the basin frame 31 away from the upper cover body 21.
所述发声单体3通过所述盆架31支撑固定于所述第一支撑壁22上。本实施方式中，所述盆架31的周缘通过胶水贴合固定于所述第一支撑壁22。The sound emitting unit 3 is supported and fixed on the first supporting wall 22 by the basin frame 31. In this embodiment, the periphery of the basin frame 31 is fixed to the first supporting wall 22 by glue.
所述透气隔离件4收容于所述收容空间10内，且位于所述发声单体3与所述下盖1之间，所述透气隔离件4与所述发声单体3共同将所述收容空间10分隔成前腔101和后腔102。The air-permeable spacer 4 is accommodated in the accommodating space 10 and is located between the sound-producing monomer 3 and the lower cover 1. The air-permeable spacer 4 and the sound-producing monomer 3 jointly hold the The space 10 is divided into a front chamber 101 and a rear chamber 102.
所述前腔101用于发声，所述导声通道24将前腔101形成侧发声结构。所述后腔102内填充吸音颗粒5，所述透气隔离件4将所述吸音颗粒5封装于所述后腔102以形成DBASS虚拟声腔，用于进一步改善低频声学性能。The front cavity 101 is used for sound production, and the sound guide channel 24 forms the front cavity 101 into a side sound production structure. The rear cavity 102 is filled with sound-absorbing particles 5, and the air-permeable spacer 4 encapsulates the sound-absorbing particles 5 in the rear cavity 102 to form a DBASS virtual acoustic cavity for further improving low-frequency acoustic performance.
所述振动***32与所述上盖本体21间隔形成前声腔6，所述导声通道24将所述前声腔6与外界连通并共同形成所述前腔101，用于形成侧面发声结构。所述发声单体3、所述透气隔离件4、所述上盖2及所述下盖1共同围成所述后腔102，用于改善低频声学性能。The vibration system 32 is spaced from the upper cover body 21 to form a front acoustic cavity 6, and the sound guide channel 24 connects the front acoustic cavity 6 with the outside and forms the front cavity 101 together for forming a side sound emitting structure. The sound emitting monomer 3, the air-permeable isolator 4, the upper cover 2 and the lower cover 1 jointly enclose the rear cavity 102 for improving low-frequency acoustic performance.
具体的，所述透气隔离件4包括盖设于所述发声单体3并与所述下盖1间隔设置的主体部41和由所述主体部41的周缘向所述上盖本体21弯折延伸的延伸壁42，所述延伸壁42环绕所述发声单体3的周侧设置，且所述延伸壁42固定支撑于所述第二支撑壁23并与所述第二支撑壁23实现密封，所述主体部41其中一部分压设于所述磁路***33的磁轭331并与所述磁路***33实现密封，另外一部分与所述发声单体3相互间隔设置；所述透气隔离件4、所述发声单体3以及所述上盖2共同围成内声腔103。Specifically, the air-permeable isolator 4 includes a main body 41 that is arranged on the sound-producing monomer 3 and is spaced apart from the lower cover 1, and is bent toward the upper cover body 21 from the periphery of the main body 41 An extended extension wall 42 which is arranged around the peripheral side of the sound emitting unit 3, and the extension wall 42 is fixedly supported on the second support wall 23 and sealed with the second support wall 23 , A part of the main body 41 is pressed on the yoke 331 of the magnetic circuit system 33 and sealed with the magnetic circuit system 33, and the other part is spaced apart from the sound-producing unit 3; the air-permeable spacer 4. The sound emitting monomer 3 and the upper cover 2 jointly enclose an inner sound cavity 103.
通过其中一个所述第一侧壁231与所述第一支撑壁22相互间隔设置，使得所述第二支撑壁23与所述第一支撑壁22之间预留了一定的间隙空间，从而保证形成的所述内声腔103具有足够大的腔体体积，更有利于改善所述扬声器箱100的低频声学性能，同时，所述内声腔103与所述后腔102之间通过所述延伸壁42和所述主体部41与所述发声单体3间隔的部分实现空气连通，保证所述内声腔103和所述后腔102之间的空气连通的流畅，提高所述内声腔103向所述后腔102泄露的气顺性，进一步善低频声学性能。One of the first side walls 231 and the first support wall 22 are spaced apart from each other, so that a certain clearance space is reserved between the second support wall 23 and the first support wall 22, thereby ensuring The formed inner acoustic cavity 103 has a sufficiently large cavity volume, which is more conducive to improving the low-frequency acoustic performance of the speaker box 100. At the same time, the extension wall 42 passes between the inner acoustic cavity 103 and the rear cavity 102. Air communication is realized with the part spaced from the main body 41 and the sound emitting unit 3, to ensure the smooth air communication between the inner acoustic cavity 103 and the rear cavity 102, and to improve the inner acoustic cavity 103 to the rear. The air compliance of the cavity 102 further improves the low-frequency acoustic performance.
在此，所述透气隔离件4形成立体结构，所述透气隔离件4与所述磁轭331共同将所述内声腔103与所述后腔102分隔，防止吸音颗粒5从所述后腔102进入所述内声腔103，进而进入发声单体3内部而影响发声性能，有效的提高了扬声器箱100的发声可靠性。Here, the air-permeable spacer 4 forms a three-dimensional structure, and the air-permeable spacer 4 and the magnetic yoke 331 jointly separate the inner acoustic cavity 103 from the rear cavity 102 to prevent sound-absorbing particles 5 from being removed from the rear cavity 102. It enters the inner sound cavity 103 and then enters the inside of the sound emitting unit 3 to affect the sound production performance, which effectively improves the sound production reliability of the speaker box 100.
上述结构中，透气隔离件4远离所述发声单体3一侧的后腔102可全部填充吸音颗粒5作为D-BASS虚拟声腔，极大程度提高了后腔102的吸音颗粒5的灌装效率，有效提高了扬声器箱100的低频声学性能。同时，通过所述第二支撑壁23的设置，省去了相关技术中用于支撑透气隔离件的支架打胶固定的工序，直接将透气隔离件4密封固定于第二支撑壁23上，简化了装配的流程，有效提高了生产效率；另外，通过在所述透气隔离件4的主体部41上设置通孔40，所述磁路***33的磁轭331部分可经所述通孔40外露于所述内声腔103，使得所述发声单体3与所述透气隔离件4固定后，不会因为结构的叠加而导致内部结构的总体高度的增加，有效提高内部的空间利用率，且有利于所述扬声器箱100的小型化设计。In the above structure, the rear cavity 102 on the side of the air-permeable spacer 4 away from the sound-producing monomer 3 can be fully filled with sound-absorbing particles 5 as the D-BASS virtual sound cavity, which greatly improves the filling efficiency of the sound-absorbing particles 5 in the rear cavity 102 , Which effectively improves the low-frequency acoustic performance of the speaker box 100. At the same time, through the arrangement of the second supporting wall 23, the procedure of gluing and fixing the bracket for supporting the air-permeable spacer in the related art is omitted, and the air-permeable spacer 4 is directly sealed and fixed on the second support wall 23, simplifying The assembly process is effectively improved, and the production efficiency is effectively improved; in addition, by providing a through hole 40 on the main body 41 of the air-permeable spacer 4, the yoke 331 of the magnetic circuit system 33 can be exposed through the through hole 40 In the inner acoustic cavity 103, after the sound-emitting monomer 3 and the air-permeable spacer 4 are fixed, the overall height of the internal structure will not increase due to the superposition of the structure, which effectively improves the internal space utilization rate, and has This facilitates the miniaturization of the speaker box 100.
更优的，在所述后腔102灌粉过程中，为了防止所述透气隔离件4被吸音颗粒5挤压变形，在本实施方式中，所述上盖2还包括由所述上盖本体21向所述下盖1方向凸出延伸的支撑壁25，所述支撑柱25位于与所述第一支撑壁22间隔的所述第一侧壁231和所述第一支撑壁22之间，所述主体部41支撑于所述支撑柱25。当然，所述支撑柱25的数量及其位置关系是不限的，比如，在本实施方式中，以所述透气隔离件4呈矩形为例展开说明，所述支撑柱25包括两个，两个所述支撑柱25分别设置于与所述第一支撑壁22间隔的所述第一侧壁231的相邻两个拐角的位置，以为所述透气隔离件4提供固定支撑，有效地提高了所述透气隔离件4整体的抗压强度，有效避免所述透气隔离件4在灌粉过程中被压坏，有效地提高所述透气隔离件4的装配可靠性，进一步提供所述扬声器箱100的可靠性。More preferably, during the powder filling process of the rear cavity 102, in order to prevent the air-permeable spacer 4 from being squeezed and deformed by the sound-absorbing particles 5, in this embodiment, the upper cover 2 further includes the upper cover body 21 A supporting wall 25 protruding in the direction of the lower cover 1, and the supporting column 25 is located between the first side wall 231 and the first supporting wall 22 spaced apart from the first supporting wall 22, The main body 41 is supported by the support column 25. Of course, the number of the supporting columns 25 and their positional relationship are not limited. For example, in this embodiment, the air-permeable spacer 4 is taken as an example for explanation. The supporting columns 25 include two, two The support posts 25 are respectively arranged at two adjacent corners of the first side wall 231 spaced apart from the first support wall 22 to provide a fixed support for the air-permeable spacer 4, which effectively improves The overall compressive strength of the air-permeable spacer 4 effectively prevents the air-permeable spacer 4 from being crushed during the powder filling process, effectively improves the assembly reliability of the air-permeable spacer 4, and further provides the speaker box 100 Reliability.
进一步的，所述延伸壁42为连续弯折延伸的结构，其包括由所述主体部41的周缘向所述上盖本体21弯折延伸的第一延伸壁421、由所述第一延伸壁421向远离所述发声单体3弯折延伸的第二延伸壁422，更具体的，在本实施方式中，所述第二延伸壁422固定于所述第二支撑壁23，所述延伸壁42通过所述第二延伸壁422与所述第二支撑壁23形成密封，而所述第二延伸壁422为翻边结构，能够有效增加所述第二支撑壁23与所述延伸壁42之间的连接面积，以保证两者密封固定的可靠性。Further, the extension wall 42 is a structure that is continuously bent and extended, and includes a first extension wall 421 bent and extended from the periphery of the main body 41 toward the upper cover body 21. 421 is a second extension wall 422 that is bent and extended away from the sound emitting unit 3. More specifically, in this embodiment, the second extension wall 422 is fixed to the second support wall 23, and the extension wall 42. The second extension wall 422 and the second support wall 23 form a seal, and the second extension wall 422 is a flanged structure, which can effectively increase the gap between the second support wall 23 and the extension wall 42 The connection area between the two to ensure the reliability of the sealing and fixing of the two.
值得一提的是，所述第二延伸壁422与所述第二支撑壁23之间密封的方式是不限的，比如，在本实施方式中，所述第二延伸壁422与所述第二支撑壁23之间通过打胶密封；而为了保证两者之间的胶合面积，需要保证打在所述第二延伸壁422和所述第二支撑壁23之间的胶水厚度，需要所述第二延伸壁422具有一定的宽度，所述第二支撑壁23具有一定的壁厚，其可以根据实际情况进行设置，在此，举出一个优选的方案，所述第二支撑壁23的厚度为0.60mm，可以在所述第二延伸壁422和所述第二支撑壁23之间打0.60mm的胶水，以保证该两者之间的胶合密封的可靠性。It is worth mentioning that the manner of sealing between the second extension wall 422 and the second support wall 23 is not limited. For example, in this embodiment, the second extension wall 422 and the second support wall 23 The two supporting walls 23 are sealed by glue; and in order to ensure the bonding area between the two, it is necessary to ensure the thickness of the glue between the second extension wall 422 and the second supporting wall 23, and the The second extension wall 422 has a certain width, and the second support wall 23 has a certain wall thickness, which can be set according to actual conditions. Here, a preferred solution is given. The thickness of the second support wall 23 It is 0.60 mm, and 0.60 mm of glue can be applied between the second extension wall 422 and the second support wall 23 to ensure the reliability of the adhesive seal between the two.
更进一步的，作为更优的实施方式，如图6所示，透气隔离件4a的延伸壁42a还包括由第二延伸壁422a向上盖本体21a弯折延伸的第三延伸壁423a，第三延伸壁423a与第二支撑壁23a侧面抵接，该设置进一步增加了透气隔离件4a与第二支撑壁23a之间的连接面积，从而使得两者之间密封固定的可靠性更高。Furthermore, as a better embodiment, as shown in FIG. 6, the extension wall 42a of the air-permeable spacer 4a further includes a third extension wall 423a bent and extended from the second extension wall 422a to the upper cover body 21a. The wall 423a abuts against the side of the second supporting wall 23a. This arrangement further increases the connection area between the air-permeable spacer 4a and the second supporting wall 23a, thereby making the reliability of the sealing and fixing between the two higher.
请同时参阅图1-5所示，更优的，为了进一步提高所述透气隔离件4与所述磁轭331之间固定的可靠性，所述磁轭331凹陷形成用于容纳胶水的容胶槽3310，所述主体部41延伸至所述容胶槽3310内并压向所述磁轭331，通过在所述容胶槽3310内打胶，使得所述主体部41与所述磁轭331之间的胶合密封。Please refer to FIGS. 1-5 at the same time. Preferably, in order to further improve the reliability of the fixation between the air-permeable spacer 4 and the magnetic yoke 331, the magnetic yoke 331 is recessed to form a glue container for accommodating glue Groove 3310, the main body 41 extends into the glue containing groove 3310 and is pressed against the yoke 331, and glue is applied in the glue containing groove 3310, so that the main body 41 and the yoke 331 Glue seal between.
所述扬声器箱100还包括电路板7，所述电路板7一端与所述发声单体3固定电连接，其另一端经所述后腔102延伸至所述收容空间10外，为所述发声单体3引入外部电信号；所述第二支撑壁23设有由其靠近所述主体部41的一端向远离所述下盖1方向凹陷形成的让位槽230，所述电路板7卡接于所述让位槽230并经所述让位槽230延伸所述收容空间10外。The speaker box 100 further includes a circuit board 7, one end of the circuit board 7 is fixedly electrically connected to the sound emitting unit 3, and the other end of the circuit board 7 extends outside the receiving space 10 through the rear cavity 102 for the sound generation The single body 3 introduces external electrical signals; the second support wall 23 is provided with a relief groove 230 formed by its end close to the main body 41 in a direction away from the lower cover 1, and the circuit board 7 is clamped It extends outside the receiving space 10 in the relief slot 230 and through the relief slot 230.
具体的，所述电路板7包括夹设固定于所述延伸壁42与所述第二支撑壁23与所述发声单体3之间的第一段71、由所述第一段71的相对两端向所述发声单体3延伸并与所述发声单体3形成电性连接的第二段72以及由所述第一段71向远离所述发声单体3弯折的第三段73；所述第一段71卡接于所述让位槽230，所述第三段73贯穿所述上盖2延伸至所述收容空间10外，用于连接外部电信号。Specifically, the circuit board 7 includes a first section 71 interposed and fixed between the extension wall 42 and the second supporting wall 23 and the sound emitting unit 3, and the first section 71 is opposite to each other. A second section 72 extending from both ends to the sound emitting monomer 3 and electrically connected to the sound emitting monomer 3, and a third section 73 bent away from the sound emitting monomer 3 from the first section 71 The first section 71 is clamped to the recess 230, and the third section 73 penetrates the upper cover 2 and extends to the outside of the receiving space 10 for connecting external electrical signals.
 本实施方式中，所述上盖2还设有由其外侧凸出延伸的托壁26，所述第三段73贴设于所述托壁26，从而对第三段73形成支撑，方便与外部电信号源连接。In this embodiment, the upper cover 2 is further provided with a supporting wall 26 protruding from the outside thereof, and the third section 73 is attached to the supporting wall 26 to form a support for the third section 73 to facilitate communication with External electrical signal source connection.
更优的，所述托壁26靠近所述第三段73的一侧设有定位柱261，所述第三段73设有贯穿其上的定位孔731，所述定位柱261插设于所述定位孔731内，形成对所述第三段73的定位，一方面提高装配效率，另一方面避免了第三段73的移动，提高其与外部电源信号连接的稳定性。More preferably, the supporting wall 26 is provided with a positioning post 261 on one side close to the third section 73, and the third section 73 is provided with a positioning hole 731 penetrating therethrough, and the positioning post 261 is inserted into the third section 73. In the positioning hole 731, the positioning of the third section 73 is formed, which improves the assembly efficiency on the one hand, and prevents the movement of the third section 73 on the other hand, and improves the stability of the connection with the external power signal.
所述扬声器箱100还设有灌粉孔9以及盖设所述灌粉孔9的密封盖91，所述灌粉孔9与后腔102连通，用于向后腔102内填充吸音颗粒5。The speaker box 100 is further provided with a powder filling hole 9 and a sealing cover 91 covering the powder filling hole 9. The powder filling hole 9 is in communication with the rear cavity 102 for filling the rear cavity 102 with sound-absorbing particles 5.
如图2所示，所述灌粉孔9包括至少两个，且分别设置于所述上盖2和所述下盖1。As shown in FIG. 2, the powder filling holes 9 include at least two, and they are provided on the upper cover 2 and the lower cover 1 respectively.
当然，所述灌粉孔9的设置不限于上述方式，还可以单独设置：Of course, the setting of the powder filling hole 9 is not limited to the above method, and can also be set separately:
如图7所示的扬声器箱400，所述灌粉孔409包括贯穿所述上盖402设置，所述密封盖491盖设于灌粉孔409。As shown in the speaker box 400 in FIG. 7, the powder filling hole 409 includes the upper cover 402 and the sealing cover 491 covers the powder filling hole 409.
如图8所示的扬声器箱500，所述灌粉孔509包括贯穿所述下盖501设置，所述密封盖591盖设于灌粉孔509。As shown in the speaker box 500 in FIG. 8, the powder filling hole 509 includes the lower cover 501 and the sealing cover 591 covers the powder filling hole 509.
与相关技术相比，本实用新型的扬声器箱中，将发声单体支撑固定于第一支撑壁，透气隔离件包括盖设于发声单体并与下盖间隔设置的主体部和由主体部的周缘向上盖本体弯折延伸的延伸壁，延伸壁环绕发声单体的周侧设置，延伸壁固定于第二支撑壁且与第二支撑壁实现密封，使得透气隔离件可与发声单体共同将收容空间分隔成前腔和后腔，上述结构为透气隔离件远离发声单体一侧的后腔可全部填充吸音颗粒作为虚拟声腔，以提高后腔的吸音颗粒的灌装效率、有效提高低频声学性能提供了条件，同时，通过第二支撑壁的设置，省去了相关技术中用于支撑透气隔离件的支架打胶固定的工序，直接将透气隔离件密封固定于第二支撑壁，有效提高了生产效率；另外，通过在透气隔离件设置通孔，磁路***部分可经通孔实现外露，使得发声单体与透气隔离件固定后，不会因为结构的叠加而导致内部结构的总体高度的增加，有利于扬声器箱的小型化。Compared with the related art, in the speaker box of the present invention, the sound-producing monomer is supported and fixed to the first supporting wall, and the air-permeable isolator includes a main body part covered on the sound-producing monomer and spaced apart from the lower cover, and The peripheral edge is an extension wall that is bent and extended to the upper cover body. The extension wall is arranged around the peripheral side of the sounding monomer. The extension wall is fixed to the second supporting wall and is sealed with the second supporting wall, so that the air-permeable spacer and the sounding monomer can be combined together The storage space is divided into a front cavity and a rear cavity. The above-mentioned structure is that the back cavity on the side of the air-permeable spacer away from the sound-producing monomer can be filled with sound-absorbing particles as a virtual sound cavity to improve the filling efficiency of the sound-absorbing particles in the back cavity and effectively improve low-frequency acoustics The performance provides conditions. At the same time, through the arrangement of the second support wall, the process of glueing and fixing the bracket used to support the breathable spacer in the related art is omitted, and the breathable spacer is directly sealed and fixed to the second support wall, effectively improving In addition, by arranging through holes in the air-permeable spacer, the magnetic circuit system part can be exposed through the through holes, so that after the sound-producing monomer and the air-permeable spacer are fixed, the overall height of the internal structure will not be caused by the superimposition of the structure. The increase of is conducive to the miniaturization of the speaker box.
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。The above are only the embodiments of the present utility model, and do not limit the scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the utility model description and drawings, or directly or indirectly applied to other Related technical fields are included in the scope of patent protection of the utility model in the same way.

Claims (11)

  1. 一种扬声器箱，其包括下盖、盖设于所述下盖并共同围成收容空间的上盖、收容于所述收容空间内的发声单体以及透气隔离件；所述上盖包括盖设于所述下盖的上盖本体和由所述上盖本体向所述下盖方向凸出延伸的第一支撑壁，所述发声单体包括磁路***，所述发声单体支撑固定于所述第一支撑壁，其特征在于，所述上盖还包括由所述上盖本体向所述下盖方向凸出延伸第二支撑壁，所述第二支撑壁环绕所述第一支撑壁设置，且所述第二支撑壁至少部分与所述第一支撑壁相互间隔设置；所述透气隔离件包括盖设于所述发声单体并与所述下盖间隔设置的主体部和由所述主体部的周缘向所述上盖本体弯折延伸的延伸壁，所述延伸壁固定于所述第二支撑壁且与所述第二支撑壁实现密封，所述主体部设有贯穿其上的通孔，所述磁路***部分经所述通孔实现外露，所述主体部压设于所述磁路***并与所述磁路***实现密封。A loudspeaker box comprising a lower cover, an upper cover covered on the lower cover and jointly enclosing a containing space, a sounding monomer contained in the containing space, and a gas-permeable partition; the upper cover includes a cover On the upper cover body of the lower cover and the first support wall protruding and extending from the upper cover body in the direction of the lower cover, the sound-producing unit includes a magnetic circuit system, and the sound-producing unit is supported and fixed to the The first support wall is characterized in that the upper cover further includes a second support wall protruding from the upper cover body in the direction of the lower cover, and the second support wall is arranged around the first support wall , And the second supporting wall is at least partially spaced apart from the first supporting wall; the air-permeable spacer includes a main body covered on the sound-producing monomer and spaced apart from the lower cover, and The peripheral edge of the main body portion is bent and extended toward the upper cover body. The extension wall is fixed to the second supporting wall and is sealed with the second supporting wall. Through hole, the part of the magnetic circuit system is exposed through the through hole, and the main body is pressed on the magnetic circuit system and sealed with the magnetic circuit system.
  2. 根据权利要求1所述的扬声器箱，其特征在于，所述第二支撑壁包括两个相对设置的第一侧壁以及两个相对间隔设置且连接两个所述第一侧壁的两个第二侧壁，至少其中一个所述第一侧壁与所述第一支撑壁相对间隔设置。The speaker box according to claim 1, wherein the second supporting wall comprises two first side walls arranged oppositely and two second side walls arranged opposite to each other and connected to the two first side walls. Two side walls, at least one of the first side walls and the first supporting wall are arranged oppositely and spaced apart.
  3. 根据权利要求2所述的扬声器箱，其特征在于，两个所述第一侧壁的其中一个与所述第一支撑壁相对间隔设置，另一个抵接于所述第一支撑壁；两个所述第二侧壁分别抵接于所述第一支撑壁。The speaker box according to claim 2, wherein one of the two first side walls is arranged opposite to the first supporting wall, and the other abuts against the first supporting wall; two The second side walls abut against the first supporting wall respectively.
  4. 根据权利要求3所述的扬声器箱，其特征在于，所述上盖还包括由所述上盖本体向所述下盖方向凸出延伸的支撑柱，所述支撑柱位于与所述第一支撑壁间隔的所述第一侧壁和所述第一支撑壁之间，所述主体部支撑于所述支撑柱。The speaker box according to claim 3, wherein the upper cover further comprises a support column protruding from the upper cover body in the direction of the lower cover, and the support column is located in contact with the first support Between the first side wall and the first supporting wall separated by the wall, the main body portion is supported by the supporting column.
  5. 根据权利要求1所述的扬声器箱，其特征在于，所述延伸壁包括由所述主体部的周缘向所述上盖本体弯折延伸的第一延伸壁以及由所述第一延伸壁向远离所述发声单体弯折延伸的第二延伸壁，所述第二延伸壁固定于所述第二支撑壁。The speaker box according to claim 1, wherein the extension wall includes a first extension wall bent and extended from the periphery of the main body to the upper cover body, and a first extension wall extending away from the first extension wall. The second extending wall of the sounding monomer is bent and extended, and the second extending wall is fixed to the second supporting wall.
  6. 根据权利要求5所述的扬声器箱，其特征在于，所述延伸壁还包括由所述第二延伸壁向上盖本体弯折延伸的第三延伸壁，所述第三延伸壁与所述第二支撑壁侧面抵接。The speaker box according to claim 5, wherein the extension wall further comprises a third extension wall bent and extended from the second extension wall to the upper cover body, the third extension wall and the second extension wall The side of the supporting wall abuts against each other.
  7. 根据权利要求5所述的扬声器箱，其特征在于，所述第二延伸壁与所述第二支撑壁之间打胶密封。The speaker box according to claim 5, wherein the second extension wall and the second support wall are glued and sealed.
  8. 根据权利要求1所述的扬声器箱，其特征在于，所述磁路***包括固定于所述发声单体远离所述上盖本体的磁轭，所述磁轭凹陷形成用于容纳胶水的容胶槽，所述主体部延伸至所述容胶槽内并与所述磁轭胶合密封，所述磁轭部分经所述通孔实现外露。The speaker box according to claim 1, wherein the magnetic circuit system comprises a magnetic yoke fixed to the sound emitting unit away from the upper cover body, and the magnetic yoke is recessed to form a glue container for accommodating glue. A groove, the main body portion extends into the glue-containing groove and is glued and sealed with the magnetic yoke, and the magnetic yoke part is exposed through the through hole.
  9. 根据权利要求1所述的扬声器箱，其特征在于，所述透气隔离件位于所述发声单体与所述下盖之间，所述透气隔离件与所述发声单体共同将所述收容空间分隔成前腔和后腔；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。The speaker box according to claim 1, wherein the air-permeable isolating member is located between the sound-emitting unit and the lower cover, and the air-permeable isolating member and the sound-emitting unit jointly cover the containing space It is divided into a front cavity and a back cavity; the back cavity is filled with sound-absorbing particles, and the air-permeable partition encapsulates the sound-absorbing particles in the back cavity.
  10. 根据权利要求9所述的扬声器箱，其特征在于，所述扬声器箱还包括电路板，所述电路板一端与所述发声单体固定电连接，其另一端经所述后腔延伸至所述收容空间外；所述第二支撑壁设有由其靠近所述主体部的一端向远离所述下盖方向凹陷形成的让位槽，所述电路板卡接于所述让位槽并经所述让位槽延伸。The speaker box according to claim 9, wherein the speaker box further comprises a circuit board, one end of the circuit board is fixedly electrically connected to the sound emitting unit, and the other end of the circuit board extends to the Outside the accommodating space; the second support wall is provided with a relief groove formed by its end close to the main body in a direction away from the lower cover, and the circuit board is clamped to the relief groove and passed through The relief slot extends.
  11. 根据权利要求10所述的扬声器箱，其特征在于，所述电路板包括夹设固定于所述延伸壁和所述第二支撑壁之间的第一段、由所述第一段的相对两端向所述发声单体延伸并与所述发声单体形成电性连接的第二段以及由所述第一段向远离所述发声单体弯折的第三段；所述第一段卡接于所述让位槽，所述第三段贯穿所述上盖延伸至所述收容空间外。The speaker box according to claim 10, wherein the circuit board comprises a first section clamped and fixed between the extension wall and the second support wall, and is formed by two opposite sides of the first section. A second section extending toward the sounding monomer and forming an electrical connection with the sounding monomer, and a third section bent away from the sounding monomer from the first section; the first section of the card Connected to the relief groove, the third section penetrates the upper cover and extends to the outside of the containing space.
PCT/CN2020/101279 2020-06-15 2020-07-10 Loudspeaker enclosure WO2021253541A1 (en)

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CN202021122020.3 2020-06-15

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104202703A (en) * 2014-09-01 2014-12-10 歌尔声学股份有限公司 Loudspeaker die set
US20180213319A1 (en) * 2017-01-26 2018-07-26 AAC Technologies Pte. Ltd. Sound Generator
CN208353588U (en) * 2018-01-27 2019-01-08 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN210093477U (en) * 2019-06-03 2020-02-18 瑞声科技(新加坡)有限公司 Loudspeaker box

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104202703A (en) * 2014-09-01 2014-12-10 歌尔声学股份有限公司 Loudspeaker die set
US20180213319A1 (en) * 2017-01-26 2018-07-26 AAC Technologies Pte. Ltd. Sound Generator
CN208353588U (en) * 2018-01-27 2019-01-08 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN210093477U (en) * 2019-06-03 2020-02-18 瑞声科技(新加坡)有限公司 Loudspeaker box

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