A vibration multifunctional speaker and implementation method thereof

By designing a coaxial low-frequency sound film, medium-high-frequency components and medium-frequency voice coil, combined with stainless steel elastic wave and injection molded magnetic circuit components, the existing speakers lack vibration function and low acoustic energy efficiency, and efficient multi-band acoustic energy radiation and double-sided sounding are achieved.

CN117177147BActive Publication Date: 2025-08-22ZHEJIANG ANYALL AUDIO TECH CO LTD
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Patent Information

Application Number
CN202311259428.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-09-26
Publication Date
2025-08-22
Estimated Expiration
2043-09-26

AI Technical Summary

Technical Problem

The existing speakers lack vibration function in actual applications, and the sound energy efficiency is low. Only a single-sided sound basin participates in vibration. The magnetic circuit is fixed and does not participate in promoting air to make sound. The sound has no enhancement effect.

Method used

A vibrating multifunction speaker is designed, using a coaxial line of low frequency sound film, medium and high frequency components and medium frequency voice coil. The magnetic circuit assembly is connected inside the inner bracket. The outer bracket and inner bracket connected by stainless steel elastic waves form two magnetic rebates, increasing the magnetic energy utilization rate, and increasing the connection strength through injection molding connection. The outer bracket, stainless steel elastic waves and inner bracket are equipped with pads to conduct electricity and provide elastic functions.

Benefits of technology

The function of three vibration systems radiating acoustic energy in different frequency bands is realized. The magnetic energy utilization rate is high, the connection strength and conductivity are improved, and the double-sided sound generation ability is equipped. The heat can accelerate heat dissipation through vibration and air convection, and the acoustic energy efficiency is improved.

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Abstract

The present invention discloses a vibration multifunctional loudspeaker, comprising a bracket assembly, a lower cover connected to the bottom of the bracket assembly, a magnetic circuit assembly connected to the inner ring of the bracket assembly, a mid-frequency voice coil corresponding to the magnetic circuit assembly connected to the bottom cover, a mid-high frequency assembly connected to the top of the magnetic circuit assembly, a low-frequency sound membrane connected between the mid-high frequency assembly and the bracket assembly, and an upper cover connected to the top of the bracket assembly; the present invention also discloses a method for realizing a vibration multifunctional loudspeaker. The magnetic circuit assembly of the present invention is connected to the inside of the inner bracket and can vibrate up and down under the action of the stainless steel elastic wave, thereby having a vibration function; the present invention only uses one annular magnetic steel, forming two magnetic loops on the inside and outside of the magnetic steel, which has a higher utilization rate of magnetic energy; the magnetic circuit assembly and the mid-frequency voice coil of the present invention are subjected to the effects of action and reaction forces, and vibrate in opposite directions, so that the system has a double-sided sound function.
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Description

Technical Field

[0001] The present invention belongs to the technical field of loudspeakers, and in particular relates to a vibration multifunctional loudspeaker and an implementation method thereof. Background Art

[0002] With the development of science and technology, people's demands for the functions of electronic devices are becoming more and more diversified. In devices or furniture that come into contact with the human body, such as smart beds, massage chairs or seats of new energy vehicles, there may be a demand for music and vibration functions accompanying music. The pistols of game consoles have a certain recoil vibration and gunshot sound when shooting in the game. Such demands are used to enhance the product experience.

[0003] Existing speakers have some problems in practical application, such as:

[0004] 1. The magnetic circuit is fixed on the basin frame, and the speaker has no vibration function when it sounds;

[0005] 2. Only one side of the cone vibrates, and the back side is sacrificed, resulting in low sound energy efficiency.

[0006] 3. When the speaker is working, only the voice coil pushes the cone to make sound, while the magnetic circuit is fixed and does not participate in pushing the air to make sound, so the sound has no enhancement effect. Summary of the Invention

[0007] The present invention aims to provide a vibration multifunctional speaker to solve the problems mentioned in the above background art. The vibration multifunctional speaker provided by the present invention has the characteristics of high utilization rate of magnetic energy and vibration function.

[0008] Another object of the present invention is to provide a method for implementing a vibration multifunctional loudspeaker.

[0009] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a vibration multifunctional loudspeaker, comprising a bracket assembly, a lower cover connected to the bottom of the bracket assembly, a magnetic circuit assembly connected to the inner ring of the bracket assembly, a mid-frequency voice coil corresponding to the magnetic circuit assembly connected to the lower cover, a mid-high frequency assembly connected to the top of the magnetic circuit assembly, a low-frequency sound membrane connected between the mid-high frequency assembly and the bracket assembly, and an upper cover connected to the top of the bracket assembly.

[0010] In order to drive the air over a larger area on a plane, the low-frequency sound membrane, the mid- and high-frequency components, and the mid-frequency voice coil are further arranged coaxially.

[0011] In order to have the vibration function, the bracket assembly further includes an outer bracket and an inner bracket, wherein the inner bracket is arranged inside the outer bracket, and the outer bracket and the inner bracket are connected by two symmetrically arranged stainless steel elastic waves.

[0012] In order to improve the strength of the connection, the stainless steel elastic wave is further connected to the outer bracket and the inner bracket respectively through injection molding.

[0013] In order to provide elasticity and conduct electricity at the same time, corresponding first welding pads are further provided on the outer bracket, the stainless steel spring and the inner bracket.

[0014] In order to form two magnetic loops on the inner and outer sides of the magnetic steel, the utilization rate of magnetic energy is higher. Furthermore, the magnetic circuit component includes T iron and U iron, wherein the T iron is arranged inside the U iron, and the T iron and the U iron are connected by the magnetic steel.

[0015] In order to generate mid-to-high frequency signals, the mid-to-high frequency component further includes a basin frame, the interior of the basin frame is connected to a mid-to-high frequency sound diaphragm, the interior of the mid-to-high frequency sound diaphragm is connected to a mid-to-high frequency voice coil corresponding to the magnetic circuit component, a dust cover is connected above the middle position of the mid-to-high frequency sound diaphragm, and the mid-to-high frequency voice coil is also connected to the basin frame through mid-to-high frequency elastic waves.

[0016] In order to conduct electricity for the mid- and high-frequency voice coils, a third soldering pad is further connected to the bottom of the basin frame.

[0017] Furthermore, in the present invention, the method for realizing a vibration multifunctional speaker comprises the following steps:

[0018] (1) The bracket assembly includes an outer bracket and an inner bracket. The outer bracket and the inner bracket are connected by two symmetrically arranged stainless steel elastic waves. The magnetic circuit assembly is connected to the inside of the inner bracket. The magnetic circuit assembly vibrates up and down to achieve the vibration function;

[0019] (2) The magnetic circuit assembly vibrates up and down to drive the low-frequency sound membrane to vibrate up and down to emit a low-frequency signal;

[0020] (3) The vibration of the intermediate frequency voice coil drives the lower cover to vibrate and emit intermediate frequency signals;

[0021] (4) The mid-high frequency voice coil drives the mid-high frequency sound membrane to vibrate and emit mid-high frequency signals.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The three vibration systems of the present invention can realize the function of radiating sound energy in different frequency bands;

[0024] 2. The low-frequency sound membrane, mid-high frequency components and mid-frequency voice coil of the present invention are coaxially arranged. The three vibration systems vibrate coaxially, which can drive air over a large area on a plane.

[0025] 3. The magnetic circuit assembly of the present invention is connected to the inside of the inner bracket and can vibrate up and down under the action of the stainless steel elastic wave, thus having a vibration function;

[0026] 4. The present invention uses only one annular magnetic steel, forming two magnetic loops on the inner and outer sides of the magnetic steel, which has a higher utilization rate of magnetic energy;

[0027] 5. The stainless steel spring wave of the present invention is connected to the outer bracket and the inner bracket respectively by injection molding. Compared with the conventional spring wave which adopts the glue bonding method, the strength of the connection is greatly improved.

[0028] 6. The outer bracket, stainless steel spring, and inner bracket of the present invention are provided with corresponding first soldering pads. In addition to providing elasticity, the stainless steel spring also has a conductive function. The stainless steel spring and the first soldering pad are an integrated structure, which improves the stability of conductivity.

[0029] 7. The movable magnetic circuit assembly of the present invention is conducive to accelerating the heat dissipation generated during the sound production process through vibration and air convection, thereby improving the thermal power of the speaker;

[0030] 8. The magnetic circuit assembly and the intermediate frequency voice coil of the present invention are subjected to the effects of action and reaction forces, vibrating in opposite directions, so that the system has a double-sided sound generation function;

[0031] 9. The low-frequency sound diaphragm of the present invention forms an integrated structure with the basin frame, the mid- and high-frequency sound diaphragms and the dust cover, which divides the system into a front and rear cavity structure, thereby providing conditions for double-sided sound generation. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the explosion of the structure of the present invention;

[0033] Figure 2 It is a structural schematic diagram of the bracket assembly of the present invention;

[0034] Figure 3 This is a schematic diagram of the structure of the stainless steel spring wave of the present invention;

[0035] Figure 4 Schematic diagram of the structure of the magnetic circuit assembly of the present invention;

[0036] Figure 5 This is a schematic diagram of the explosion structure of the high-frequency component of the present invention;

[0037] Figure 6 Schematic diagram of the cross-sectional structure of the high-frequency component of the present invention;

[0038] Figure 7 It is a schematic cross-sectional view of the present invention;

[0039] In the figure: 1. Lower cover; 2. Bracket assembly; 21. Outer bracket; 22. Stainless steel elastic wave; 23. Inner bracket; 24. First soldering pad; 25. Second soldering pad; 3. Low-frequency sound diaphragm; 4. Upper cover; 5. Mid-high frequency assembly; 51. Basin; 52. Mid-high frequency voice coil; 53. Dust cover; 54. Mid-high frequency sound diaphragm; 55. Mid-high frequency elastic wave; 56. Third soldering pad; 6. Magnetic circuit assembly; 61. T iron; 62. Magnet; 63. U iron; 7. Mid-frequency voice coil. DETAILED DESCRIPTION

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0041] Example 1

[0042] See also Figure 1-7 The present invention provides the following technical solutions: a vibration multifunctional loudspeaker, comprising a bracket assembly 2, a lower cover 1 being connected below the bracket assembly 2, a magnetic circuit assembly 6 being connected to the inner ring of the bracket assembly 2, an intermediate frequency voice coil 7 corresponding to the magnetic circuit assembly 6 being connected to the lower cover 1, a second soldering pad 25 being connected to the outer bracket 21, the intermediate frequency voice coil 7 being connected to the second soldering pad 25 by a cotton thread (insulated with a heat shrink tube) adhering to the lower cover 1, a mid-high frequency assembly 5 being connected above the magnetic circuit assembly 6, a low frequency sound membrane 3 being connected between the mid-high frequency assembly 5 and the bracket assembly 2, and an upper cover 4 being connected above the bracket assembly 2.

[0043] By adopting the above technical solution, the three vibration systems of the present invention can realize the function of radiating sound energy in different frequency bands.

[0044] Specifically, the low-frequency sound membrane 3, the mid-high frequency component 5 and the mid-frequency voice coil 7 are coaxially arranged.

[0045] By adopting the above technical solution, the three vibration systems of the present invention vibrate coaxially, and can drive air over a larger area on a plane.

[0046] Specifically, the bracket assembly 2 includes an outer bracket 21 and an inner bracket 23 , wherein the inner bracket 23 is arranged inside the outer bracket 21 , and the outer bracket 21 and the inner bracket 23 are connected by two symmetrically arranged stainless steel elastic waves 22 .

[0047] By adopting the above technical solution, the magnetic circuit assembly 6 of the present invention is connected to the inside of the inner bracket 23 and can vibrate up and down under the action of the stainless steel damper 22, thereby having a vibration function.

[0048] Specifically, the magnetic circuit assembly 6 includes a T-iron 61 and a U-iron 63 , wherein the T-iron 61 is arranged inside the U-iron 63 , and the T-iron 61 and the U-iron 63 are connected via a magnetic steel 62 .

[0049] By adopting the above technical solution, the present invention only uses one annular magnetic steel, and forms two magnetic loops on the inner and outer sides of the magnetic steel 62, so the utilization rate of magnetic energy is higher.

[0050] Specifically, the mid-high frequency component 5 includes a basin frame 51, the interior of the basin frame 51 is connected to a mid-high frequency sound diaphragm 54, the interior of the mid-high frequency sound diaphragm 54 is connected to a mid-high frequency voice coil 52 corresponding to the magnetic circuit component 6, and a dust cover 53 is connected above the middle position of the mid-high frequency sound diaphragm 54. The mid-high frequency voice coil 52 is also connected to the basin frame 51 through a mid-high frequency elastic wave 55.

[0051] By adopting the above technical solution, in order to generate medium and high frequency signals.

[0052] Specifically, corresponding first solder pads 24 are provided on the outer bracket 21, the stainless steel damper 22 and the inner bracket 23. A third solder pad 56 is connected to the bottom of the basin frame 51. The third solder pad 56 is connected to the first solder pad 24 on the inner bracket 23 through a wire. The first solder pad 24 on the inner bracket 23 is conductively connected to the first solder pad 24 on the outer bracket 21 through the stainless steel damper 22.

[0053] By adopting the above technical solution, the mid-high frequency voice coil 52 is made conductive.

[0054] Example 2

[0055] The difference between this embodiment and the first embodiment is that: specifically, the stainless steel damper 22 is connected to the outer bracket 21 and the inner bracket 23 respectively by injection molding.

[0056] By adopting the above technical solution, the strength of the connection is greatly improved compared with the conventional elastic wave bonding method.

[0057] Example 3

[0058] The difference between this embodiment and the first embodiment is that: specifically, the stainless steel damper 22 and the first welding pad are an integrated structure.

[0059] By adopting the above technical solution, the stainless steel damper 22 not only provides elasticity but also has a conductive function. Moreover, the stainless steel damper 22 and the first soldering pad are an integrated structure, which improves the stability of the conductive properties.

[0060] Furthermore, the method for implementing a vibration multifunctional speaker of the present invention comprises the following steps:

[0061] (1) The bracket assembly 2 includes an outer bracket 21 and an inner bracket 23. The outer bracket 21 and the inner bracket 23 are connected by two symmetrically arranged stainless steel springs 22. The magnetic circuit assembly 6 is connected to the inside of the inner bracket 23. The magnetic circuit assembly 6 vibrates up and down to achieve the vibration function;

[0062] (2) The magnetic circuit assembly 6 vibrates up and down to drive the low-frequency sound membrane 3 to vibrate up and down to emit a low-frequency signal;

[0063] (3) The vibration of the intermediate frequency voice coil 7 drives the lower cover 1 to vibrate and emit an intermediate frequency signal;

[0064] (4) The mid-high frequency voice coil 52 drives the mid-high frequency sound membrane 54 to vibrate and emit mid-high frequency signals.

[0065] In summary, the three vibration systems of the present invention can realize the function of radiating sound energy in different frequency bands; the low-frequency sound membrane 3, the medium-high frequency component 5 and the medium-frequency voice coil 7 of the present invention are coaxially arranged, and the three vibration systems vibrate coaxially, which can drive the air over a larger area on the plane; the magnetic circuit component 6 of the present invention is connected to the inside of the inner bracket 23, and can vibrate up and down under the action of the stainless steel elastic wave 22, thereby having the function of vibration; the present invention only uses one annular magnetic steel, and forms two magnetic loops on the inner and outer sides of the magnetic steel 62, which has a higher utilization rate of magnetic energy; the stainless steel elastic wave 22 of the present invention is respectively connected to the outer bracket 21 and the inner bracket 23 by injection molding, which greatly improves the strength of the connection compared to the conventional elastic wave which adopts the gluing bonding method; the outer bracket of the present invention 21. The stainless steel damper 22 and the inner bracket 23 are provided with corresponding first soldering pads 24. In addition to providing elasticity, the stainless steel damper 22 also has a conductive function, and the stainless steel damper 22 and the first soldering pad are an integrated structure, which improves the stability of conductivity; the movable magnetic circuit component 6 of the present invention is beneficial to accelerate the heat dissipation of the heat generated during the sound generation process through vibration and air convection, thereby improving the thermal power of the speaker; the magnetic circuit component 6 and the intermediate frequency voice coil 7 of the present invention are affected by the action force and reaction force, and the vibration directions are opposite, so that the system has a double-sided sound function; the low-frequency sound diaphragm 3 of the present invention and the basin frame 51, the intermediate and high frequency sound diaphragm 54 and the dust cover 53 form an integrated structure, which divides the system into a front and rear cavity structure, thereby providing conditions for double-sided sound generation.

[0066] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A vibration multifunctional speaker, characterized in that: The bracket assembly comprises a lower cover connected to the bottom of the bracket assembly, a magnetic circuit assembly connected to the inner ring of the bracket assembly, an intermediate frequency voice coil corresponding to the magnetic circuit assembly connected to the bottom cover, an intermediate and high frequency assembly connected to the top of the magnetic circuit assembly, a low frequency sound membrane connected between the intermediate and high frequency assembly and the bracket assembly, and an upper cover connected to the top of the bracket assembly; The mid-high frequency component includes a basin frame, the interior of which is connected to a mid-high frequency diaphragm, the interior of which is connected to a mid-high frequency voice coil corresponding to the magnetic circuit component, a dust cover is connected above the middle position of the mid-high frequency diaphragm, and the mid-high frequency voice coil is also connected to the basin frame through a mid-high frequency elastic wave; The bracket assembly includes an outer bracket and an inner bracket, wherein the inner bracket is arranged inside the outer bracket, and the outer bracket and the inner bracket are connected by two symmetrically arranged stainless steel elastic waves; The low-frequency diaphragm, mid-high frequency components and mid-frequency voice coil are coaxially arranged. The up and down vibration of the magnetic circuit component drives the low-frequency diaphragm to vibrate up and down to emit a low-frequency signal. The vibration of the mid-frequency voice coil drives the lower cover to vibrate to emit a mid-frequency signal. The mid-high frequency voice coil drives the mid-high frequency diaphragm to vibrate and emit a mid-high frequency signal.

2. A vibration multifunctional speaker according to claim 1, characterized in that: The stainless steel elastic wave is respectively connected to the outer bracket and the inner bracket through injection molding.

3. The vibration multifunctional speaker according to claim 1, characterized in that: The outer bracket, the stainless steel damper and the inner bracket are provided with corresponding first welding pads.

4. The vibration multifunctional speaker according to claim 1, characterized in that: The magnetic circuit component includes a T-iron and a U-iron, wherein the T-iron is arranged inside the U-iron, and the T-iron and the U-iron are connected by a magnetic steel.

5. The vibration multifunctional speaker according to claim 1, characterized in that: The bottom of the basin frame is connected to a third welding pad.

6. A method for implementing a vibration multifunctional speaker according to any one of claims 1 to 5, characterized in that: The following steps are involved: (1) The bracket assembly includes an outer bracket and an inner bracket. The outer bracket and the inner bracket are connected by two symmetrically arranged stainless steel elastic waves. The magnetic circuit assembly is connected to the inside of the inner bracket. The magnetic circuit assembly vibrates up and down to achieve the vibration function; (2) The magnetic circuit assembly vibrates up and down to drive the low-frequency sound diaphragm to vibrate up and down to emit a low-frequency signal; (3) The intermediate-frequency voice coil vibrates to drive the lower cover to vibrate to emit an intermediate-frequency signal; (4) The mid-high frequency voice coil drives the mid-high frequency sound membrane to vibrate and emit mid-high frequency signals.

Citation Information

Patent Citations

  • Conductive planar damper and bone conduction loudspeaker

    CN109982219A

  • Double-diaphragm loudspeaker and electronic equipment

    CN115696149A

  • Ultra-thin type treble and bass coaxial loudspeaker

    CN215601490U

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    CN220874729U