Acoustic assembly

By setting a reflector ring and a spiral guide plate in front of the dome diaphragm of the high-frequency loudspeaker, the problem of excessive sensitivity of the high-frequency loudspeaker in the 8000-10000Hz frequency band is solved by utilizing the principles of reflection and interference, thereby achieving flattening of the frequency response curve and improvement of sound quality.

CN223693998UActive Publication Date: 2025-12-19GUANGZHOU ZHENPIN ELECTROACOUSTIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422559537.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-12-19
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

Existing high-frequency loudspeakers exhibit excessively high sensitivity in the 8000-10000Hz frequency range, resulting in peaks in the frequency response curve and affecting the balance and listening experience of the sound quality.

Method used

A circular reflector is placed directly in front of the dome diaphragm, and a spiral guide plate is placed on it. Using the principles of reflection and interference, the sound energy of this frequency band is reflected along the surrounding spiral guide plate and cancels out the original sound.

Benefits of technology

The frequency response curve has been improved, making it flatter, thus enhancing sound quality and making the treble clearer and more natural.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of audio equipment, and discloses an acoustic assembly, which comprises a sound equipment main body, the inner wall of the sound equipment main body is fixedly connected with a mounting block, the front end of the mounting block is fixedly connected with an acoustic assembly, and the rear end of the mounting block is fixedly connected with a sound basin. According to the utility model, through the design of the acoustic assembly, especially the spiral drainage sheet and the reflection ring, the frequency response curve can be effectively improved, the harmonic distortion is reduced, the sound is purer and more stable, the installation block provides a stable installation platform for the acoustic assembly and the sound cone, the structure looseness or failure caused by vibration is reduced, and the sound quality is improved. The sound equipment has the advantages that unnecessary resonance and noise are reduced, the stability and the reliability of the acoustic component are ensured by using the mounting block and the gasket, the acoustic component can keep good performance under various environmental conditions, the dust screen effectively prevents dust and other impurities from entering the sound equipment main body, internal components are protected from being polluted, and the service life of the equipment is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to audio equipment technical field especially relates to an acoustic assembly. BACKGROUND

[0002] A commonly used high-frequency loudspeaker uses a spherical or hemispherical diaphragm to radiate high-frequency sound. The shape and material of the diaphragm have a significant impact on its frequency response and directivity. In practical applications, a spherical high-frequency unit made of hard materials (such as beryllium, aluminum, titanium) often exhibits excessively high sensitivity at a certain specific frequency band (e.g., 8000-10000 Hz). This can cause the frequency response curve to peak at this frequency band, affecting the balance of sound quality and listening experience.

[0003] To suppress this phenomenon, the design objective of the present application is to set a circular reflector in front of the spherical diaphragm and set a spiral flow guide on it. Specifically, the inner and outer circumferences of this reflector are equal to the wavelength of the 8000-10000 Hz frequency band, so that the sound energy of this frequency band can be reflected along the spiral flow guide and canceled with the original sound part by using the principles of reflection and interference, thereby making the frequency response curve more flat and the listening experience better. SUMMARY

[0004] To solve the above technical problems, the utility model provides an acoustic assembly.

[0005] The utility model adopts the following technical scheme to realize: an acoustic assembly, comprising a sound body, the inner wall of the sound body is fixedly connected with the mounting block, the front end of the mounting block is fixedly connected with the acoustic assembly, the rear end of the mounting block is fixedly connected with the sound cup.

[0006] Through the above technical scheme, the mounting block is fixed on the inner wall of the sound body, providing a stable mounting platform for the acoustic assembly and the sound cup. The mounting block supports the acoustic assembly and the sound cup, ensuring their stable operation during work.

[0007] As a further improvement of the above scheme, the acoustic assembly comprises a fixed seat, and the front end of the fixed seat is fixedly connected with a fixed ring.

[0008] Through the above technical scheme, the fixed seat and the fixed ring provide a basic structure for installing and fixing the spiral flow guide and the reflector.

[0009] As a further improvement of the above scheme, the inner wall of the fixed ring is fixedly connected with a plurality of spiral flow guides, and the top of the spiral flow guide is fixedly connected with a reflector.

[0010] Through the technical scheme, the high sensitivity problem of the hard material dome tweeter in the 1-3 kHz frequency band is improved by the spiral flow guide sheet and the reflector, the frequency response curve is more flat, the spiral flow guide sheet and the reflector jointly guide and reflect the sound waves of specific frequency bands, thereby canceling the unnecessary frequency components, improving the sound quality, and making the high pitch clearer and more natural.

[0011] As a further improvement of the above scheme, the front end of the sound cone is fixedly connected with a diaphragm.

[0012] Through the technical scheme, the sound cone and the diaphragm jointly convert the electrical signal into sound vibration, which is the core component of sound generation, and the sound quality can be improved by optimizing the shape and material of the diaphragm, so that the sound is more pure.

[0013] As a further improvement of the above scheme, the middle part of the inner wall of the mounting block is fixedly connected with a dust screen.

[0014] Through the technical scheme, the dust screen prevents dust from entering the sound body, protects the internal components from pollution, prolongs the service life, ensures the cleanliness of the internal components, and maintains good sound.

[0015] As a further improvement of the above scheme, the rear end of the acoustic component is fixedly connected with a gasket, and the gasket is connected with the mounting block.

[0016] Through the technical scheme, the gasket provides a sealing effect to prevent external impurities from entering, while ensuring the close connection between the acoustic component and the mounting block, and the gasket also plays a supporting role to ensure the stability and reliability of the acoustic component.

[0017] Compared with the prior art, the beneficial effects of the utility model lie in:

[0018] The utility model discloses a design of acoustic component, especially the effect of spiral flow guide sheet and reflector, which can effectively improve the frequency response curve, reduce harmonic distortion, make the sound more pure and stable, and provide a stable mounting platform for the acoustic component and sound cone, reduce the structure loosening or failure caused by vibration, thereby reducing unnecessary resonance and noise, and ensure the stability and reliability of the acoustic component, so that it can maintain good performance in various environmental conditions, the dust screen effectively prevents dust and other impurities from entering the sound body, protects the internal components from pollution, and prolongs the service life of the equipment.

[0019] The utility model discloses a set of acoustic components and an installation block, which are connected to the inner wall of the sound body through a fixed seat, and the acoustic components are fixed on the front end of the installation block, and the sound basin is fixed on the rear end of the installation block, thereby forming a stable installation platform for the acoustic components and the sound basin. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the installation block structure schematic diagram of the utility model;

[0022] Figure 3 It is the installation block cross section structure schematic diagram of the utility model;

[0023] Figure 4 It is the explosion structure schematic diagram of the utility model;

[0024] Figure 5 It is the acoustic components structure schematic diagram of the utility model.

[0025] Main symbol explanation:

[0026] 1, sound main body;2, installation block;3, acoustic components;301, fixed seat;302, fixed ring;303, spiral drainage piece;304, reflecting ring;4, sound basin;5, diaphragm;6, dust screen;7, gasket. DETAILED DESCRIPTION

[0027] Below, combining the drawing and specific implementation, the utility model is described further, need explaining, under not conflict's premise, the following described each embodiment between or each technical feature between can be arbitrary combination and form new embodiment.

[0028] Embodiment:

[0029] Please combine Figures 1-5 The acoustic components of the embodiment include a sound main body 1, an installation block 2 fixedly connected to the inner wall of the sound main body 1, an acoustic components 3 fixedly connected to the front end of the installation block 2, and a sound basin 4 fixedly connected to the rear end of the installation block 2. The installation block 2 is fixed on the inner wall of the sound main body 1, and provides a stable installation platform for the acoustic components 3 and the sound basin 4. The main principle is to use a mechanical fixing method to ensure that the acoustic components and the sound basin can operate stably during work, and avoid structural loosening or failure caused by vibration.

[0030] The acoustic assembly 3 includes a fixed seat 301, the front end of which is fixedly connected with a fixed ring 302, and the acoustic assembly 3 includes the fixed seat 301, the fixed ring 302, a spiral drainage sheet 303 and a reflecting ring 304, which change the propagation path and reflection mode of sound waves through careful design of geometry and layout, thereby optimizing the frequency response. Specifically, the spiral drainage sheet 303 and the reflecting ring 304 guide and reflect sound waves of specific frequency bands to cancel unwanted frequency components and improve sound quality.

[0031] The inner wall of the fixed ring 302 is fixedly connected with a plurality of spiral drainage sheets 303, the top of the spiral drainage sheet 303 is fixedly connected with a reflecting ring 304, and the spiral drainage sheet 303 and the reflecting ring 304 utilize the interference principle of sound waves to guide sound waves to propagate along a specific path and reflect at a specific point to cancel unwanted frequency components through specific geometry and position arrangement. This design can effectively improve the problem of excessively high sensitivity of hard material dome tweeter in the 8000 to 10000 Hz frequency band, making the frequency response curve more flat.

[0032] The front end of the sound cone 4 is fixedly connected with a diaphragm 5, and the working principle of the sound cone 4 and the diaphragm 5 is based on electromagnetic induction. The sound cone 4 is usually composed of a coil and a magnet. When current passes through the coil, a changing magnetic field is generated, which interacts with the magnet, causing the sound cone to vibrate. The diaphragm 5 is connected to the sound cone and produces air pressure changes as the sound cone vibrates, thereby producing sound. By optimizing the shape and material of the diaphragm, the sound quality can be improved, making the sound more pure.

[0033] The middle part of the inner wall of the mounting block 2 is fixedly connected with a dust screen 6, which prevents dust and other impurities from entering the sound body 1 through physical barriers. Its main principle is to use small mesh holes to block dust particles while allowing sound waves to pass through, which can protect the internal components from pollution, prolong the service life and maintain the sound quality.

[0034] The rear end of the acoustic assembly 3 is fixedly connected with a gasket 7, which is connected with the mounting block 2. The gasket 7 provides sealing and support through its elastic properties. Its main principle is to form a sealing layer between the acoustic assembly 3 and the mounting block 2 to prevent external impurities from entering while ensuring the stability and reliability of the acoustic assembly. By compressing the gasket, it fills the gap to achieve sealing and support functions.

[0035] The implementation principle of the acoustic assembly in the embodiment of the application is that the mounting block 2 provides a stable mounting platform for the acoustic assembly 3 and the cone 4 by being fixed on the inner wall of the sound body 1, and the main principle is to use a mechanical fixing mode to ensure that the acoustic assembly and the cone can stably operate during work, so as to avoid structural loosening or failure caused by vibration, the acoustic assembly 3 includes a fixing seat 301, a fixing ring 302, a spiral flow guide sheet 303 and a reflection ring 304, and these components change the propagation path and reflection mode of sound waves through careful design of the geometric shape and layout, so as to optimize the frequency response, specifically, the spiral flow guide sheet 303 and the reflection ring 304 guide and reflect sound waves of specific frequency bands to offset unnecessary frequency components and improve sound quality, the spiral flow guide sheet 303 and the reflection ring 304 use the interference principle of sound waves, guide sound waves to propagate along a specific path and reflect at a specific point through specific geometric shapes and position arrangements, so as to offset unnecessary frequency components, this design can effectively improve the problem of excessively high sensitivity of the hard material dome tweeter in the 8000 to 10000 Hz frequency band, so that the frequency response curve is more flat, the working principle of the cone 4 and the diaphragm 5 is based on electromagnetic induction, the cone 4 is usually composed of a coil and a magnet, when current passes through the coil, a changing magnetic field is generated, the magnetic field interacts with the magnet, and the cone vibrates, the diaphragm 5 is connected to the cone and generates air pressure changes along with the vibration of the cone, so as to generate sound, the shape and material of the diaphragm can be optimized to improve sound quality and make the sound purer, the dust screen 6 prevents dust and other impurities from entering the sound body 1 through a physical barrier, the main principle is to use small mesh holes to block dust particles while allowing sound waves to pass through, so that the internal components are protected from pollution, the service life is prolonged, and the sound quality is maintained, the gasket 7 provides sealing and supporting functions through its elastic properties, the main principle is to form a sealing layer between the acoustic assembly 3 and the mounting block 2 to prevent external impurities from entering, while ensuring the stability and reliability of the acoustic assembly, the gasket is compressed to fill the gap, so as to realize the sealing and supporting functions.

[0036] The above embodiment is only a preferred embodiment of the utility model, and cannot be used to limit the range of protection of the utility model, and any non-substantial change and replacement made by a person skilled in the art on the basis of the utility model belongs to the range of protection of the utility model.

Claims

1. An acoustic assembly, characterized by, Including acoustic main part (1), the inner wall of acoustic main part (1) is fixedly connected with mounting block (2), the front end of mounting block (2) is fixedly connected with acoustic assembly (3), the rear end of mounting block (2) is fixedly connected with sound basin (4), acoustic assembly (3) includes fixed seat (301), the front end of fixed seat (301) is fixedly connected with fixed ring (302), the inner wall of fixed ring (302) is fixedly connected with several spiral drainage fins (303), the top of spiral drainage fin (303) is fixedly connected with reflection ring (304).

2. An acoustic assembly as claimed in claim 1, wherein: The front end of sound basin (4) is fixedly connected with diaphragm (5).

3. An acoustic assembly as claimed in claim 1, wherein: The middle part of the inner wall of mounting block (2) is fixedly connected with dust screen (6).

4. An acoustic assembly as claimed in claim 1, wherein: The rear end of acoustic assembly (3) is fixedly connected with washer (7), washer (7) is connected with mounting block (2).