Horn single body with beryllium copper elastic sheet

By using beryllium copper alloy springs and a frame design, the problem of diaphragm segmentation vibration when the loudspeaker increases SPL output is solved, thus maintaining the acoustic performance of the loudspeaker unit.

CN223885317UActive Publication Date: 2026-02-06SUZHOU DONGLI ELECTRONICS CO LTD
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Patent Information

Application Number
CN202520465509.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-02-06
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

When increasing the SPL output, existing loudspeaker products use EQ-based methods, which leads to increased diaphragm segmentation vibration. The SUS spring has low conductivity and high rigidity, affecting acoustic quality.

Method used

Using beryllium copper alloy as the metal spring material, combined with the design of the frame and U-shaped iron, a solution with suitable conductivity and rigidity is provided.

Benefits of technology

This ensures the conductivity and rigidity of the metal spring, preventing any impact on the acoustic quality of the speaker driver.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a loudspeaker single body with a beryllium copper elastic sheet, which comprises a basin frame, U iron is arranged on the basin frame, a magnet is arranged on the U iron, a washer is arranged on the magnet, a voice coil is arranged outside the magnet and the washer, the voice coil is positioned in the basin frame, a vibrating diaphragm is arranged at the top of the basin frame, and the vibrating diaphragm is positioned in the basin frame. The bottom of the voice coil is provided with a metal elastic sheet, and the metal elastic sheet is made of beryllium copper alloy. According to the loudspeaker monomer with the beryllium copper elastic sheet, the conductivity and the rigidity of the metal elastic sheet can be ensured, and the acoustic quality of the loudspeaker monomer cannot be influenced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a loudspeaker unit with beryllium copper spring piece belongs to loudspeaker product technical field. BACKGROUND

[0002] The loudspeaker product generally requires greater SPL output, usually the displacement of the diaphragm is pulled up by pulling EQ, but this will cause the Rocking Mode (the split vibration of the diaphragm) of the loudspeaker unit to increase, in order to overcome this problem, SUS spring piece can be arranged at the bottom of the voice coil to play the role of conduction and Rocking Mode suppression, but the conductivity of the SUS spring piece is low, the rigidity is big, and the acoustic quality of the loudspeaker is reduced. SUMMARY

[0003] The utility model mainly solves the technical problem to provide a kind of loudspeaker unit with beryllium copper spring piece, the loudspeaker unit with beryllium copper spring piece can guarantee the conductivity of metal spring piece, rigidity is suitable, will not affect the acoustic quality of loudspeaker unit.

[0004] To solve the above technical problem, one technical scheme of the utility model is provided: provide a kind of loudspeaker unit with beryllium copper spring piece, including the stand, the stand is provided with U iron, the U iron is provided with magnet, the magnet is provided with hua si, the magnet and hua si outside are provided with voice coil, the voice coil is located in the stand, the top of the stand is provided with diaphragm, the bottom of the voice coil is provided with metal spring piece, the material used by the metal spring piece is beryllium copper alloy.

[0005] Preferably, the stand is provided with groove body, the edge of the U iron is provided with the edge of bending upwards, and the edge of bending is located in the groove body.

[0006] Preferably, the edge of bending and the gap between the groove wall of groove body have.

[0007] The loudspeaker unit with beryllium copper spring piece of the utility model can guarantee the conductivity of metal spring piece, rigidity is suitable, will not affect the acoustic quality of loudspeaker unit. BRIEF DESCRIPTION OF DRAWINGS

[0008] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment description will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating creative labor, wherein:

[0009] Fig. 1 And Fig. 2It is the structure section view of the horn monomer with beryllium copper elastic sheet in different section directions. DETAILED DESCRIPTION

[0010] The technical solutions in the embodiments of the present application will be clearly and completely described below. Apparently, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the protection scope of the present application.

[0011] Embodiments of the present application:

[0012] Please refer to Figs. 1-2 The horn monomer with beryllium copper elastic sheet comprises a frame 1, the frame 1 is provided with a U-shaped iron 7, the U-shaped iron 7 is provided with a magnet 6, the magnet 6 is provided with a Hua Si 5, the magnet 6 and the Hua Si 5 are externally provided with a voice coil 3, the voice coil 3 is located in the frame 1, the top of the frame 1 is provided with a diaphragm 2, the bottom of the voice coil 3 is provided with a metal elastic sheet 4, and the material of the metal elastic sheet 4 is beryllium copper alloy. The beryllium copper alloy elastic sheet has good conductivity and rigidity, and will not affect the acoustic quality of the horn monomer.

[0013] The following table is the performance test result of the SUS elastic sheet and the beryllium copper alloy elastic sheet in the horn monomer:

[0014]

[0015] As shown in the above table, the beryllium copper alloy elastic sheet has better conductivity and rigidity, and is more suitable as the vibrating elastic sheet in the horn monomer.

[0016] Preferably, the frame 1 is provided with a groove 8, the edge of the U-shaped iron 7 is provided with a bent edge part 9 which is bent upwards, the bent edge part 9 is located in the groove 8, and the bent edge part 9 and the groove wall of the groove 8 have a gap 10, and the gap 10 provides a vibrating space for the beryllium copper alloy elastic sheet.

[0017] The above is only the embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields based on the content of the present application, are all included in the patent protection scope of the present application.

Claims

1. A speaker driver with a beryllium copper spring, comprising a frame, a U-shaped iron disposed on the frame, a magnet disposed on the U-shaped iron, a washer disposed on the magnet, a voice coil disposed outside the magnet and the washer, the voice coil being located inside the frame, and a diaphragm disposed on the top of the frame, characterized in that, The bottom of the voice coil is provided with a metal spring, and the material of the metal spring is beryllium copper alloy.

2. The horn unit with beryllium copper damper according to claim 1, wherein The basin frame is provided with a groove, and the edge of the U-shaped iron is provided with an upwardly bent flange portion, which is located in the groove.

3. The horn unit with beryllium copper damper according to claim 2, wherein The flange portion and the groove wall of the groove have a gap.