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CN-224233837-U - Loudspeaker

CN224233837UCN 224233837 UCN224233837 UCN 224233837UCN-224233837-U

Abstract

The embodiment of the utility model discloses a loudspeaker, wherein a voice coil is arranged in a magnetic gap and is fixedly connected with a vibrating part, so that the voice coil drives the vibrating part to move. Therefore, the fixing edge of the first flexible connecting part is fixedly connected with the outer side face of the voice coil, the overall thickness of the loudspeaker can be reduced, and the loudspeaker can be arranged on the electronic equipment conveniently. In addition, the size of the voice coil in the axial direction can be increased, and the stress of the voice coil is optimized. On the other hand, the two first contacts of the fixing plate are connected with the two leads, so that the electric connection of the voice coils can be respectively realized. Simultaneously, utilize first flexible coupling portion can hang a plurality of circle bodies simultaneously, when a plurality of voice coils moved, utilize the flexibility of first flexible coupling portion, can restrain unusual vibration, optimize the tone quality of speaker.

Inventors

  • Luo Nairong
  • ZHENG YONG

Assignees

  • 深圳立讯电声科技有限公司

Dates

Publication Date
20260512
Application Date
20250508

Claims (15)

  1. 1. A loudspeaker, the loudspeaker comprising: a vibration unit (4); a magnetic circuit system (3) having a magnetic gap (31); A plurality of voice coils (2) disposed in the magnetic gap (31) and connected to the vibration part (4), the voice coils (2) including a coil body (21) and two leads (22), and A first flexible connection (1) comprising a plurality of fixing plates (11), said fixing plates (11) comprising a fixing rim (111) and two first contacts (112); A plurality of the fixing edges (111) are connected with the outer sides of the ring bodies (21) in a corresponding way, and the two leads (22) respectively extend from the ring bodies (21) to the two first contacts (112).
  2. 2. The loudspeaker according to claim 1, characterized in that the fixed edge (111) has two relief grooves (113) corresponding to the two leads (22), the relief grooves (113) facing the outer side of the corresponding ring body (21); The lead wires (22) penetrate through the corresponding avoidance grooves (113) and are connected with the first contacts (112), and the fixing edges (111) extend along the outer side face of the ring body (21) and are perpendicular to the axial direction of the ring body (21).
  3. 3. The loudspeaker according to claim 2, characterized in that the fixing rim (111) comprises a first fixing section (1111) and two second fixing sections (1112) in the length direction, two of the relief grooves (113) being located on both sides of the first fixing section (1111) and between the two second fixing sections (1112).
  4. 4. A loudspeaker according to claim 3, wherein the first fixing section (1111) extends in the direction of arrangement of the plurality of ring bodies (21), and the two second fixing sections (1112) extend in a curved manner on the same side as the first fixing section (1111).
  5. 5. A loudspeaker according to claim 3, wherein the first contact points (112) are arranged adjacent to the respective relief grooves (113), the relief grooves (113) being curved towards the respective first contact points (112) in the axial cross-sectional direction of the ring body (21).
  6. 6. A loudspeaker according to claim 3, wherein the first flexible connection part (1) further comprises at least one connection arm (12) extending in the direction of arrangement of the plurality of ring bodies (21), both ends of the connection arm (12) being connected to the two fixing plates (11), respectively.
  7. 7. The loudspeaker according to claim 6, wherein the first flexible connection part (1) further comprises a stiffening layer (5), at least part of the stiffening layer (5) being arranged on one side of the connection arm (12) or on both sides of the connection arm (12).
  8. 8. Loudspeaker according to claim 7, characterized in that the stiffening layer (5) is strip-shaped, the stiffening layer (5) comprising a first extension (51) and two second extensions (52) in the length direction, the first extension (51) being arranged to the connecting arm (12), the two second extensions (52) extending from the connecting arm (12) to the two fixing plates (11) respectively.
  9. 9. The loudspeaker according to claim 2, wherein the first contact (112) is located on a side of the stationary plate (11) facing the vibration part (4); The lead (22) comprises a wire end (221) and a connecting section (222), the wire end (221) is electrically connected with the first contact (112) in a lap joint mode, and the connecting section (222) is bent from the wire end (221) to a direction away from the vibration part (4) and is clamped in the avoidance groove (113).
  10. 10. Loudspeaker according to claim 9, wherein the fixed edge (111) is arranged close to an end of the ring body (21) remote from the vibration part (4).
  11. 11. A loudspeaker according to claim 3, characterized in that the first flexible connection part (1) comprises two elastic arms (13) and two mounting arms (14) corresponding to the two elastic arms (13); In the arrangement direction of the voice coils (2), the two elastic arms (13) are respectively arranged corresponding to the two fixing plates (11) at two ends, one end of each elastic arm (13) is connected with the corresponding end of each fixing plate (11), and the other end of each elastic arm is connected with the corresponding mounting arm (14).
  12. 12. The loudspeaker according to claim 11, wherein the mounting arm (14) has a second contact (141) electrically connected to the first contact (112), the second contact (141) being directed towards the outside of the loudspeaker and being located at a side of the first flexible connection part (1) facing away from the first contact (112).
  13. 13. The loudspeaker according to claim 11, wherein the magnetic circuit system (3) comprises: a magnetic part (32) including a plurality of magnets including a plurality of first magnets (321) and at least one second magnet (322) corresponding to the plurality of voice coils (2); Magnetic conduction portion (33), including basin frame (331) and bottom plate (332), vibrating portion (4) with installation arm (14) with basin frame (331) are connected, basin frame (331) first magnet (321) with second magnet (322) set up in bottom plate (332), just circle body (21) are around corresponding first magnet (321) setting, second magnet (322) set up in two between voice coil loudspeaker voice coil (2).
  14. 14. The loudspeaker of claim 13, wherein the plurality of magnets further comprises two third magnets (323); The magnetic conduction part (33) further comprises a plurality of magnetic conduction plates (334), and the magnetic conduction plates (334) are attracted with one side of the first magnet (321) or the second magnet (322) away from the bottom plate (332); The basin frame (331) comprises two magnetic conduction blocks (333) corresponding to the two third magnets (323), the two magnetic conduction blocks (333) are located on two sides of the magnets, the third magnets (323) are attracted between the corresponding magnetic conduction blocks (333) and the bottom plate (332), and magnetic gaps (31) are formed between the magnetic conduction blocks (333) and the adjacent magnetic conduction plates (334) and between the adjacent two magnetic conduction plates (334).
  15. 15. The loudspeaker of any of claims 1-14, wherein the loudspeaker further comprises: the second flexible connection part (6) comprises a plurality of fixing bodies (61) corresponding to the plurality of ring bodies (21), and the edges of the fixing bodies (61) are connected to the outer side surface, far away from the fixing plate (11), of the ring bodies (21).

Description

Loudspeaker Technical Field The utility model relates to the technical field of electroacoustic conversion, in particular to a loudspeaker. Background A plurality of voice coils are arranged in the loudspeaker at the same time, so that the utilization rate of the magnet can be improved, and the tone quality of the loudspeaker can be improved. However, as the demand for thinning electronic devices increases, the thickness of the speaker is also increasing. How to reduce the thickness of the speaker and improve the performance of the speaker on the premise of simultaneously arranging a plurality of voice coils becomes a problem to be solved. Disclosure of utility model In view of this, the embodiment of the utility model provides a speaker, in which the first flexible connection part is fixed at the lateral directions of the plurality of ring bodies through the plurality of fixing edges, so as to reduce the thickness of the speaker and improve the performance of the speaker. The loudspeaker of the embodiment of the utility model comprises: A vibration section; A magnetic circuit system having a magnetic gap; A plurality of voice coils disposed in the magnetic gap and connected to the vibration part, the voice coils including a coil body and two leads, and A first flexible connection section comprising a plurality of fixed plates, the fixed plates comprising a fixed rim and two first contacts; The fixed edges are correspondingly connected with the outer sides of the ring bodies, and the two leads respectively extend from the ring bodies to the two first contacts. Further, the fixing edge is provided with two avoidance grooves corresponding to the two leads, and the avoidance grooves face the outer side face of the corresponding ring body; The lead wire passes through the corresponding avoidance groove and is connected with the first contact, and the fixed edge extends along the outer side surface of the ring body and is perpendicular to the axial direction of the ring body. Further, the fixing edge comprises a first fixing section and two second fixing sections in the length direction, and the two avoidance grooves are located on two sides of the first fixing section and located between the two second fixing sections. Further, the first fixing section extends along the arrangement direction of the plurality of ring bodies, and the two second fixing sections extend in a bending mode towards the same side of the first fixing section. Further, the first contacts are respectively arranged adjacent to the corresponding avoidance grooves, and the avoidance grooves are bent towards the corresponding first contacts in the axial section direction of the ring body. Further, the first flexible connection part further comprises at least one connection arm extending along the arrangement direction of the plurality of ring bodies, and two ends of the connection arm are respectively connected with the two fixing plates. Further, the first flexible connection part further comprises a reinforcing layer, and at least part of the reinforcing layer is arranged on one side of the connection arm or on two sides of the connection arm at the same time. Further, the reinforcing layer is in a strip shape, the reinforcing layer comprises a first extending section and two second extending sections in the length direction, the first extending sections are arranged on the connecting arms, and the two second extending sections extend to the two fixing plates respectively from the connecting arms. Further, the first contact is positioned at one side of the fixed plate facing the vibration part; The lead comprises a wire head and a connecting section, the wire head is electrically lapped with the first contact, and the connecting section is bent from the wire head to a direction far away from the vibration part and is clamped in the avoidance groove. Further, the fixed edge is provided near one end of the ring body away from the vibrating portion. Further, the first flexible connection part comprises two elastic arms and two mounting arms corresponding to the two elastic arms; In the arrangement direction of the voice coils, the two elastic arms are respectively arranged corresponding to the two fixing plates at two ends, one end of each elastic arm is connected with the corresponding end of the fixing plate, and the other end of each elastic arm is connected with the corresponding mounting arm. Further, the mounting arm has a second contact electrically connected with the first contact, the second contact faces the outer side of the speaker and is located at one side of the first flexible connection part away from the first contact. Further, the magnetic circuit system includes: A magnetic part including a plurality of magnets including a plurality of first magnets and at least one second magnet corresponding to the plurality of voice coils; The magnetic conduction portion comprises a basin frame and a bottom plate, the vibration portion and