WO2021000153A1 - Caisson de haut-parleur - Google Patents

Caisson de haut-parleur Download PDF

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Publication number
WO2021000153A1
WO2021000153A1 PCT/CN2019/094053 CN2019094053W WO2021000153A1 WO 2021000153 A1 WO2021000153 A1 WO 2021000153A1 CN 2019094053 W CN2019094053 W CN 2019094053W WO 2021000153 A1 WO2021000153 A1 WO 2021000153A1
Authority
WO
WIPO (PCT)
Prior art keywords
sub
wall
rear cavity
cavity
speaker box
Prior art date
Application number
PCT/CN2019/094053
Other languages
English (en)
Chinese (zh)
Inventor
李红
王程良
施胜荣
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
Priority to PCT/CN2019/094053 priority Critical patent/WO2021000153A1/fr
Priority to CN201910596837.XA priority patent/CN110381395A/zh
Publication of WO2021000153A1 publication Critical patent/WO2021000153A1/fr

Links

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
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
    • H04R2201/025—Transducer mountings or cabinet supports enabling variable orientation of transducer of cabinet

Definitions

  • This application relates to the field of electro-acoustic conversion, in particular to a speaker box.
  • the speaker box of the related art includes an upper cover, a lower cover which is covered on the upper cover and forms a containing space together, and a sounding unit contained in the containing space, and the sounding unit divides the containing space into a front cavity And back cavity.
  • the rear cavity is often provided with multiple sub-rear cavities for storing speakers and filling sound-absorbing particles.
  • the technical problem to be solved by this application is to provide a loudspeaker box that can improve space utilization and has stronger product competitiveness.
  • the present application provides a speaker box, which includes an upper cover, a lower cover fixed to the upper cover and forming a containing space together, and a sounding monomer contained in the containing space.
  • the vocal monomer divides the receiving space into a front cavity and a rear cavity.
  • the rear cavity includes a first sub-rear cavity for accommodating the vocal monomer and a second sub-rear cavity respectively connected with the first sub-rear cavity And the third sub-rear cavity, the speaker box further includes a gas-permeable spacer, the gas-permeable spacer, the upper cover and the lower cover jointly enclose the second sub-rear cavity, and the second sub-rear Both the cavity and the third sub-rear cavity are communicated with the first sub-rear cavity through the air-permeable spacer.
  • the upper cover includes a top wall disposed opposite to the lower cover, side walls extending from the top wall to the lower cover, and a connecting wall
  • the speaker box further includes In the connecting cavity formed by bending, the first sub-rear cavity communicates with the third sub-rear cavity through the connecting cavity.
  • the connecting wall includes a first sub-connecting wall extending from the top wall to the lower cover, a second sub-connecting wall extending vertically from the first sub-connecting wall, and a second sub-connecting wall extending from the third
  • the sub-connecting wall continues to vertically bend and extend the third sub-connecting wall
  • the first sub-connecting wall is arranged opposite to the third sub-connecting wall
  • the One end of the third sub-connecting wall is fixedly connected to the side wall
  • the other end and the top wall jointly enclose a first opening
  • the third sub-connecting wall is provided with a second opening
  • the connecting cavity passes through the The first opening is in communication with the first sub-rear cavity
  • the connecting cavity is in communication with the third sub-rear cavity through the second opening.
  • the top wall, the side wall, the first sub-connecting wall and the air-permeable spacer jointly enclose the second sub-rear cavity.
  • the air-permeable isolating member includes an insert plate with a plurality of air holes and a first isolating film attached to the insert plate, the first isolating film covers the air holes, and part of the air holes and the The second sub-rear cavity is in communication, and another part of the vent holes is in communication with the connecting cavity.
  • a plurality of the ventilation holes are distributed in a straight line, and the distance between adjacent ventilation holes is equal.
  • the upper cover further includes a fixed wall extending from the top wall toward the lower cover, and the fixed wall includes a first sub-fixing wall fixedly connected to one side of the third sub-connecting arm, and The second sub-fixed wall fixedly connected to the side wall, a first groove opened in the first sub-fixed wall along the top wall to the lower cover direction, and along the top wall to the lower cover direction
  • a second groove opened in the second sub-fixing wall, the first groove and the second groove are disposed opposite to each other, and both ends of the air-permeable spacer are respectively clamped in the first groove and The second groove.
  • the upper cover further includes a support wall extending from the top wall in the direction of the lower cover, the cross section of the support wall along the direction from the top wall to the lower cover is rectangular, and the support wall A third opening opposite to the second opening is opened, and the third opening communicates with the second opening.
  • the extension length of the support wall toward the lower cover is less than the extension length of the side wall toward the lower cover
  • the speaker box further includes a cover provided on a side of the support wall away from the top wall.
  • the second isolation membrane, the supporting wall, the top wall and the second isolation membrane jointly enclose the third sub-rear cavity.
  • the upper cover further includes a first powder filling hole opened on the top wall, a first sealing cover covering the first powder filling hole, a second powder filling hole opened on the top wall and a cover
  • the first powder filling hole is in communication with the second sub-back cavity
  • the second powder filling hole is in communication with the third sub-back cavity.
  • the speaker box of the present application is provided with the second sub-rear cavity and the third sub-rear cavity in communication with the first sub-rear cavity through the air-permeable partition, so that the second The sub-rear cavity and the third sub-rear cavity share the air-permeable partition, which increases the volume of the back cavity on the one hand, and increases the cross-sectional area of the isolation membrane on the other hand, which improves the back cavity of the speaker box
  • the space utilization rate has improved product competitiveness.
  • Figure 1 is a schematic diagram of the three-dimensional structure of the speaker box provided by this application.
  • Fig. 2 is a schematic view of another perspective three-dimensional structure of the speaker box provided by this application.
  • FIG. 3 is an exploded schematic diagram of the three-dimensional structure of the speaker box provided by this application.
  • Figure 5 is a cross-sectional view of the speaker box shown in Figure 1 along the line V-V;
  • Figure 6 is an enlarged view of part A of the speaker box shown in Figure 5;
  • Figure 7 is a cross-sectional view of the speaker box shown in Figure 1 along line VII-VII;
  • Fig. 8 is an enlarged view of part B of the speaker box shown in Fig. 7.
  • the present application provides a speaker box 100.
  • the speaker box 100 includes an upper cover 10, a cover fixed to the upper cover 10 and a lower cover 30 that collectively forms an accommodating space, and is accommodated in The sound emitting monomer 50, the air-permeable spacer 70 and the second isolation film 90 in the containing space.
  • the sound emitting monomer 50 divides the receiving space into a front cavity 102 and a rear cavity.
  • the rear cavity includes a first sub-rear cavity 1031 accommodating the sounding monomer 50 and a second sub-rear cavity 1033 and a third sub-rear cavity 1035 respectively communicating with the first sub-rear cavity 1031.
  • the air-permeable spacer 70, the upper cover 10 and the lower cover 30 jointly enclose the second sub-rear cavity 1033, and the second sub-rear cavity 1033 and the third sub-rear cavity 1035 pass The air-permeable spacer 70 communicates with the first sub-rear cavity 1031.
  • the upper cover 10 includes a top wall 11 disposed opposite to the lower cover 30, a side wall 12 extending from the top wall 11 in the direction of the lower cover 30, a connecting wall 13, a fixing wall 14, a supporting wall 15, The first powder filling hole 16 opened in the top wall 11, the first sealing cover 17 covering the first powder filling hole 16, the second powder filling hole 18 opened in the top wall 11, and the The second sealing cover 19 of the second powder filling hole 18.
  • the side wall 12 extends from the periphery of the top wall 11 toward the lower cover 30, and the top wall 11, the side walls 12 and the lower cover 30 jointly enclose the receiving space.
  • the connecting wall 13, the side wall 12 and the air-permeable spacer 70 jointly enclose a connecting cavity 104, and the first sub-rear cavity 1031 communicates with the third sub-rear cavity 1035 through the connecting cavity 104.
  • the connecting wall 13 includes a first sub-connecting wall 131 extending from the top wall 11 to the lower cover 30, and a second sub-connecting wall 133 extending vertically from the first sub-connecting wall 131. And a third sub-connection wall 135 that continues to bend and extend vertically from the second sub-connection wall 133, the first sub-connection wall 131 and the third sub-connection wall 135 are disposed oppositely, the first sub-connection wall 131.
  • One end of the second sub-connection wall 133 and the third sub-connection wall 135 is fixedly connected to the side wall 12, and the other end and the top wall 11 together form a first opening 105, and the third
  • the sub connecting wall 135 is provided with a second opening 1351, the connecting cavity 104 communicates with the first sub-rear cavity 1031 through the first opening 105, and the connecting cavity 104 communicates with the first sub-cavity 1031 through the second opening 1351.
  • the three rear chambers 1035 are connected.
  • the top wall 11, the side wall 12, the first sub-connecting wall 131 and the air-permeable partition jointly enclose the second sub-rear cavity 1033.
  • the fixed wall 14 includes a first sub-fixing wall 141 fixedly connected to the third sub-connecting wall 135, a second sub-fixing wall 143 fixedly connected to the side wall 12, along the top wall 11 to the
  • the first groove 145 and the second groove 147 are disposed oppositely, and two ends of the air-permeable spacer 70 are respectively clamped in the first groove 145 and the second groove 147.
  • the supporting wall 15 has a rectangular cross section along the direction from the top wall 11 to the lower cover 30, and the supporting wall 15 is provided with a third opening 151 opposite to the second opening 1351.
  • the third opening 151 communicates with the second opening 1351.
  • the extension length of the support wall 15 to the lower cover 30 is less than the extension length of the side wall 12 to the lower cover 30, and the second isolation film 90 is disposed on the support wall 15 away from the top wall One side of 11, and the supporting wall 15, the top wall 11 and the second isolation membrane 90 jointly enclose the third sub-rear cavity 1035.
  • the first powder filling hole 16 communicates with the second sub-rear cavity 1031
  • the second powder filling hole 18 communicates with the third sub-rear cavity 1035.
  • the speaker box 100 adds sound-absorbing particles into the second sub-rear cavity 1033 and the third sub-rear cavity 1035 through the first powder filling hole 16 and the second powder filling hole 18 respectively.
  • the air-permeable isolator 70 includes an insert plate 71 with a plurality of air holes 711 and a first isolating film 73 attached to the insert plate 71.
  • the first isolation film 73 covers the vent 711, and part of the vent 711 communicates with the second sub-rear cavity, and another part of the vent 711 communicates with the connection cavity 104.
  • the plurality of ventilation holes 711 are distributed in a straight line, and the distance between adjacent ventilation holes 711 is equal.
  • the speaker box 100 of the present application is provided with the second sub-rear cavity 1033 and the third sub-rear cavity 1035 in communication with the first sub-rear cavity 1031 through the air-permeable spacer 70,
  • the second sub-rear cavity 1033 and the third sub-rear cavity 1035 share the air-permeable spacer 70, which increases the volume of the back cavity on the one hand, and increases the cross-sectional area of the isolation membrane on the other hand,
  • the space utilization rate of the rear cavity of the speaker box 100 is improved, and the product competitiveness is improved.

Abstract

La présente invention concerne un caisson de haut-parleur, comprenant un couvercle supérieur, un couvercle inférieur recouvert par et fixé au couvercle supérieur pour former ensemble un espace de réception, et une unité de production de son logée dans l'espace de réception. L'unité de production du son divise l'espace de réception en une cavité avant et une cavité arrière. La cavité arrière comprend une première sous-cavité arrière accueillant l'unité de production de son, et une deuxième sous-cavité arrière et une troisième sous-cavité arrière communiquant séparément avec la première sous-cavité arrière. Le caisson de haut-parleur comprend en outre un isolant perméable à l'air. L'isolant perméable à l'air, le couvercle supérieur, et le couvercle inférieur entourent ensemble la seconde sous-cavité arrière, et à la fois la seconde sous-cavité arrière et la troisième sous-cavité arrière sont en communication avec la première sous-cavité arrière au moyen de l'isolant perméable à l'air. Par rapport à l'état de la technique associé, le caisson de haut-parleur fourni par la présente invention augmente efficacement le volume de remplissage de la cavité arrière et la surface de section transversale du film isolant, ce qui permet d'améliorer l'utilisation de l'espace et la compétitivité du produit du caisson de haut-parleur.
PCT/CN2019/094053 2019-06-30 2019-06-30 Caisson de haut-parleur WO2021000153A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2019/094053 WO2021000153A1 (fr) 2019-06-30 2019-06-30 Caisson de haut-parleur
CN201910596837.XA CN110381395A (zh) 2019-06-30 2019-07-02 扬声器箱

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/094053 WO2021000153A1 (fr) 2019-06-30 2019-06-30 Caisson de haut-parleur

Publications (1)

Publication Number Publication Date
WO2021000153A1 true WO2021000153A1 (fr) 2021-01-07

Family

ID=68251797

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/094053 WO2021000153A1 (fr) 2019-06-30 2019-06-30 Caisson de haut-parleur

Country Status (2)

Country Link
CN (1) CN110381395A (fr)
WO (1) WO2021000153A1 (fr)

Cited By (1)

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CN113438342A (zh) * 2021-05-21 2021-09-24 荣耀终端有限公司 一种扬声器模组和电子设备

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CN210781299U (zh) * 2019-11-01 2020-06-16 瑞声科技(新加坡)有限公司 扬声器箱
WO2022006913A1 (fr) * 2020-07-10 2022-01-13 瑞声声学科技(深圳)有限公司 Système de haut-parleur

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CN106982406A (zh) * 2017-01-22 2017-07-25 瑞声科技(新加坡)有限公司 扬声器箱
WO2019071402A1 (fr) * 2017-10-09 2019-04-18 深圳传音通讯有限公司 Haut-parleur et terminal mobile
CN207382566U (zh) * 2017-10-23 2018-05-18 上海润欣科技股份有限公司 扬声器箱
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CN208317006U (zh) * 2018-11-28 2019-01-01 瑞声光电科技(常州)有限公司 扬声器箱

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113438342A (zh) * 2021-05-21 2021-09-24 荣耀终端有限公司 一种扬声器模组和电子设备
CN113438342B (zh) * 2021-05-21 2022-07-01 北京荣耀终端有限公司 一种扬声器模组和电子设备

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