Acoustic assembly

Abstract

The utility model relates to the technical field of acoustics, and discloses an acoustic assembly comprising a waveguide grating, an internal mounting plate is fixedly connected in the waveguide grating, an internal clamping groove is arranged at the bottom of the waveguide grating, an internal clamping cover is clamped in the internal clamping groove, a filling block is fixedly connected in the internal clamping cover, and an external mounting plate is arranged in the internal clamping cover. A magnetic steel assembly is clamped in the waveguide grating, a limiting groove is formed in the bottom of the magnetic steel assembly, an acoustic assembly is clamped on the surface of the internal mounting plate, and a vibrating diaphragm is mounted at the top of the magnetic steel assembly. According to the utility model, through the arrangement of the diffusion members, the sensitivity of the soft material dome high pitch at the frequency band of 16000-20000 Hz is generally lower than that of other frequency bands, five groups of diffusion members corresponding to the frequency band of 16000-20000 Hz are arranged in front of the vibrating diaphragm, and the five groups of diffusion members form radians from the periphery to the center from large to small and correspond to the frequency band of 16000-20000 Hz, so that the sensitivity of the frequency band is effectively improved. The music performance of the high pitch of the soft ball top in the frequency band is obviously improved, and the installation work of the whole device is facilitated through the arrangement of the inner clamping groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to acoustics technical field, concretely is an acoustic assembly. BACKGROUND

[0002] Acoustic assembly is a kind of device or equipment specially used for controlling, transmitting and receiving sound wave, is widely used in the generation, transmission, reception and processing etc. of sound. These components include but are not limited to loudspeaker, microphone, ultrasonic device, sound sensor etc. With the continuous development of technology, acoustic assembly is also developing towards miniaturization, high performance and intelligent direction to adapt to the needs of various emerging application scenarios. Acoustic assembly can be classified according to its function and application scenario. For example, loudspeaker and earphone are mainly used for sound playing, while microphone and sound sensor are used for sound receiving and processing. In the medical field, acoustic assembly can be used for ultrasonic diagnosis, sound monitoring etc.;In the communication field, they can be used for voice call, video conference etc. In addition, acoustic assembly also has important application in audio recording, sound noise reduction etc. With the progress of science and technology, acoustic assembly is rapidly developing towards miniaturization, high performance and intelligence. Miniaturized components have become a popular choice in consumer electronics products due to their small size, light weight, easy integration and portability. High performance is to pursue higher sound quality and lower noise level to meet the needs of professional applications. Intelligence involves the integration of artificial intelligence technology, such as intelligent speech recognition and sound sensor application.

[0003] Similarly, acoustic assembly refers to those devices or components that can convert, amplify, filter or otherwise process sound waves, while in soft material dome tweeter, the sensitivity in 16000-20000 Hz frequency band is generally lower than that in other frequency bands, therefore, in order to solve the sensitivity between 16000-20000 Hz in soft material dome tweeter, a kind of acoustic assembly capable of solving the above problems needs to be installed before the diaphragm device. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides an acoustic assembly, which comprises a waveguide grid, an internal mounting plate is fixedly connected inside the waveguide grid, an internal clamping groove is formed in the bottom of the waveguide grid, an internal clamping cover is clamped inside the internal clamping groove, a filling block is fixedly connected inside the internal clamping cover, a magnetic steel assembly is clamped inside the waveguide grid, a limiting groove is formed in the bottom of the magnetic steel assembly, an acoustic assembly is clamped on the surface of the internal mounting plate, and a diaphragm is installed on the top of the magnetic steel assembly.

[0005] The acoustic assembly comprises a limiting sleeve, a fixed clamping groove is formed on the outer surface of the limiting sleeve, and a diffusion piece is arranged inside the limiting sleeve.

[0006] Through the technical scheme, the inner clamping groove is clamped in the inner part of the waveguide grid, then the limiting sleeve is clamped in the inner part of the inner mounting plate, the acoustic assembly is arranged on the top of the diaphragm, and overall installation work is facilitated.

[0007] As a further improvement of the above scheme, the waveguide grid is concentric with the inner clamping cover.

[0008] As a further improvement of the above scheme, the filling block top is arranged in the inner part of the limiting groove.

[0009] As a further improvement of the above scheme, the diaphragm is arranged in the inner part of the acoustic assembly.

[0010] As a further improvement of the above scheme, the shape of the diffusion member is composed of an arc from the periphery to the center, and the arc decreases from large to small.

[0011] As a further improvement of the above scheme, the number of the diffusion members is ten, and the ten diffusion members are arranged in a circular array at the top of the limiting sleeve in two groups.

[0012] Through the technical scheme, for the soft material dome tweeter, the sensitivity in the 16000-20000 Hz frequency band is generally lower than that in other frequency bands, five groups of diffusion members composed of an arc from the periphery to the center and decreasing from large to small are arranged in front of the diaphragm, the sensitivity of the frequency band is effectively improved, and the music performance of the soft dome tweeter in the frequency band is obviously improved.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a diffusion member is set up, for the soft material dome tweeter, the sensitivity in the 16000-20000 Hz frequency band is generally lower than that in other frequency bands, five groups of diffusion members composed of an arc from the periphery to the center and decreasing from large to small are arranged in front of the diaphragm, the sensitivity of the frequency band is effectively improved, and the music performance of the soft dome tweeter in the frequency band is obviously improved.

[0015] The utility model discloses an inner clamping groove is set up, and overall device installation work is facilitated. ACCURATE DRAWINGS

[0016] Figure 1 It is the whole structure schematic drawing of the utility model;

[0017] Figure 2 It is the whole top structure schematic drawing of the utility model;

[0018] Figure 3 It is the whole sectional structure schematic drawing of the utility model;

[0019] Figure 4The utility model discloses an acoustic assembly overall structure schematic diagram.

[0020] In the drawing: 1, waveguide grid; 2, internal mounting plate; 3, inner card slot; 4, internal card cover; 5, filling block; 6, magnetic steel assembly; 7, limiting groove; 8, acoustic assembly; 81, limiting sleeve; 82, fixed card slot; 83, diffusion piece; 9, diaphragm. DETAILED DESCRIPTION

[0021] Next, the utility model is further described in combination with the drawings and specific embodiments, and it should be explained that under the premise of not conflicting, the following described each embodiment or each technical feature between can be arbitrarily combined to form new embodiment.

[0022] Embodiment:

[0023] Please combine Figures 1-4 The acoustic assembly of the embodiment comprises a waveguide grid 1, the waveguide grid 1 is internally fixedly connected with an internal mounting plate 2, the waveguide grid 1 is provided with an inner card slot 3 at the bottom, the inner card slot 3 is internally connected with an internal card cover 4, the internal card cover 4 is internally fixedly connected with a filling block 5, the waveguide grid 1 is internally connected with a magnetic steel assembly 6, the magnetic steel assembly 6 is provided with a limiting groove 7 at the bottom, the internal mounting plate 2 is externally connected with an acoustic assembly 8, the magnetic steel assembly 6 is externally connected with a diaphragm 9, the inner card slot 3 is internally connected in the waveguide grid 1, then the limiting sleeve 81 is internally connected in the internal mounting plate 2, the acoustic assembly 8 is externally connected on the diaphragm 9, and the overall installation work is facilitated.

[0024] The acoustic assembly 8 comprises a limiting sleeve 81, the limiting sleeve 81 is externally provided with a fixed card slot 82, and the limiting sleeve 81 is internally provided with a diffusion piece 83.

[0025] The waveguide grid 1 is concentric with the internal card cover 4, and installation and fixation are facilitated.

[0026] The filling block 5 is internally provided in the limiting groove 7.

[0027] The diaphragm 9 is internally provided in the acoustic assembly 8.

[0028] The diffusion piece 83 is in the shape of arc from periphery to center.

[0029] The diffusion piece 83 is in the shape of arc from periphery to center.

[0030] The implementation principle of the acoustic assembly in the embodiment of the application is as follows: during installation, the inner clamping groove 3 is first clamped in the interior of the waveguide grid 1, then the limiting sleeve 81 is clamped in the interior of the interior mounting plate 2, and the acoustic assembly 8 is arranged on the top of the diaphragm 9. For the soft material ball top treble, the sensitivity in the 16000-20000 Hz frequency band is generally lower than that in other frequency bands, five groups of diffusion members 83 corresponding to the 16000-20000 Hz frequency band are arranged in front of the diaphragm 9 and are composed of arcs from the periphery to the center and from large to small, so that the sensitivity of this frequency band is effectively improved. The music performance of the soft ball top treble in this frequency band is obviously improved.

[0031] The above implementation is only a preferred implementation of the present application, and cannot be used to limit the scope of protection of the present application. Any non-substantial changes and replacements made by those skilled in the art on the basis of the present application are within the scope of protection of the present application.

Claims

1. An acoustic assembly, characterized by: The utility model relates to a waveguide grille (1) inside fixedly connected with inside mounting plate (2), waveguide grille (1) bottom is equipped with the inner clamping groove (3), the inner clamping groove (3) inside is connected with the inner clamping cover (4), the inner clamping cover (4) inside fixedly connected with the filling block (5), waveguide grille (1) inside is connected with the magnetic steel subassembly (6), the magnetic steel subassembly (6) bottom is equipped with the limiting slot (7), inside mounting plate (2) surface is connected with acoustic assembly (8), the magnetic steel subassembly (6) top is installed diaphragm (9), The acoustic assembly (8) includes a limiting sleeve (81), a fixed clamping groove (82) is formed on the outer surface of the limiting sleeve (81), and a diffusion piece (83) is arranged inside the limiting sleeve (81).

2. An acoustic assembly according to claim 1, characterized in that: The waveguide grille (1) is concentric with the inner clamping cover (4).

3. An acoustic assembly according to claim 1, wherein: The filling block (5) is arranged inside the limiting slot (7).

4. An acoustic assembly according to claim 3, wherein: The diaphragm (9) is arranged inside the acoustic assembly (8).

5. An acoustic assembly according to claim 1, wherein: The diffusion piece (83) is composed of an arc from the periphery to the center, and the arc decreases from large to small.

6. An acoustic assembly according to claim 5, wherein: There are ten diffusion pieces (83), and the ten diffusion pieces (83) are arranged in pairs to form a circular array on the top of the limiting sleeve (81).

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