CN219577252U

CN219577252U - Novel sound absorbing structure of conical power amplifier loudspeaker

Info

Publication number: CN219577252U
Application number: CN202223346376.7U
Authority: CN
Inventors: 方乃竞; 刘军飞; 李洋洋; 王永飞; 王帅; 刘振涛
Original assignee: Zhengzhou Foamtech Nano Material Co Ltd
Current assignee: Zhengzhou Foamtech Nano Material Co Ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-08-22
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a novel conical power amplifier loudspeaker sound absorbing structure which comprises a power amplifier, an outer cover and a loudspeaker body, wherein the outer cover and the loudspeaker body are arranged on the upper surface of the power amplifier; the outer cover comprises a bottom ring adhered to the top of the power amplifier through adhesive, a supporting rod is fixedly connected to the surface of the bottom ring, a top ring is fixedly connected to the top end of the supporting rod, a window is formed among the bottom ring, the supporting rod and the top ring, and a sound absorbing assembly is arranged in the window. Compared with the prior art, this novel toper power amplifier loudspeaker sound-absorbing structure, outside signal transmission is inside to the power amplifier, then transmits to the loudspeaker body through the power amplifier, reaches the purpose of sounding, through setting up the sound-absorbing assembly, when loudspeaker body uses, the noise of side diffusion can be absorbed by first abatvoix and the second abatvoix of being made by the melamine foam, and then reaches the purpose that promotes loudspeaker tone quality.

Description

Novel sound absorbing structure of conical power amplifier loudspeaker

Technical Field

The utility model relates to the field of loudspeakers, in particular to a novel sound absorbing structure of a conical power amplifier loudspeaker.

Background

A cone-shaped speaker is one of speakers, and is widely used in various electronic devices, such as automobiles and computers.

Through retrieving, current patent (publication number: CN 209787431U) discloses a conical horn for stereo set, it utilizes the spring to pop out the spring bolt inside the blank holder, utilize the stability between spring bolt increase blank holder and the basin frame, lead to basin paper loose when preventing loudspeaker sound production vibrations, install the protection casing on the frame through the screw thread, shield the recess on the frame through the protection casing, the fixed screw in the recess is avoided exposing outside influencing pleasing to the eye, prevent simultaneously that the fixed screw from wetting rust leads to loudspeaker difficult to dismantle. However, the inventors have found that the prior art has the following problems in the implementation of the present utility model: when the existing novel conical power amplifier loudspeaker sound absorption structure is used, the structure for absorbing the noise diffused on the side face of the loudspeaker is lacking, so that the sounding quality of the loudspeaker can be reduced.

Therefore, a novel sound absorbing structure of the conical power amplifier loudspeaker is provided for solving the problems.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present utility model provides a novel sound absorbing structure of a cone-shaped power amplifier speaker, so as to solve the problems set forth in the above-mentioned background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel conical power amplifier loudspeaker sound absorption structure comprises a power amplifier, an outer cover and a loudspeaker body, wherein the outer cover and the loudspeaker body are arranged on the upper surface of the power amplifier, the loudspeaker body is positioned at the central shaft of the power amplifier, the loudspeaker body is positioned in the outer cover, and the top of the outer cover is provided with a cover;

the outer cover comprises a bottom ring adhered to the top of the power amplifier through adhesive, a supporting rod is fixedly connected to the surface of the bottom ring, a top ring is fixedly connected to the top end of the supporting rod, a window is formed among the bottom ring, the supporting rod and the top ring, and a sound absorbing assembly is arranged in the window.

Preferably, the sound absorbing assembly comprises a first sound absorbing plate arranged in the window, a supporting spring is fixedly connected to the surface of the first sound absorbing plate, and a second sound absorbing plate is fixedly connected to the other end of the supporting spring.

Preferably, the first acoustic panel and the second acoustic panel are made of melamine foam.

Preferably, the number of the supporting rods is a plurality, the plurality of supporting rods are annularly and equidistantly arranged on the surface of the bottom ring, and one end of the top of each supporting rod is inclined to one side far away from the central shaft of the power amplifier.

Preferably, the cover comprises a metal protective net arranged at the top of the outer cover, and a dust screen is arranged on the upper surface of the metal protective net.

Preferably, the lower surface of the metal protection net is fixedly connected with a connecting ring, the surface of the connecting ring is fixedly connected with a convex ring, the inner ring surface of the top ring is provided with an annular groove, and the convex ring is matched with the annular groove.

The utility model has the technical effects and advantages that:

1. this novel toper power amplifier loudspeaker inhale sound structure is when using, and outside signal of telecommunication transmits to the power amplifier inside, then transmits to the loudspeaker body through the power amplifier, reaches the purpose of sounding, through setting up the sound subassembly of inhaling, when the loudspeaker body uses, the noise of side diffusion can be absorbed by first abatvoix and the second abatvoix of being makeed by the melamine foam, and then reaches the purpose that promotes loudspeaker tone quality.

2. This novel toper power amplifier loudspeaker inhale sound structure utilizes supporting spring to fix the second abatvoix flexibility through setting up supporting spring, under the acoustic wave influence, can drive the second abatvoix and rock, release the energy in the acoustic wave, avoid the energy of acoustic wave directly to act on the second abatvoix surface and cause the second abatvoix to destroy, through setting up bulge loop and ring channel, utilize the bulge loop card to establish the inside at the ring channel, reach the purpose of fixing a position the dustcoat with cover between, and dismantle simply, make things convenient for follow-up maintenance, and need not the bolt, there is not the condition that the bolt corrosion influences the dismantlement progress.

Drawings

Fig. 1 is a schematic diagram of the front view structure of the present utility model.

Fig. 2 is a schematic diagram of the front cross-section structure of the present utility model.

Fig. 3 is a schematic perspective view of the outer cover of the present utility model.

The reference numerals are: 1. a power amplifier; 2. an outer cover; 201. a bottom ring; 202. a support rod; 203. a top ring; 204. a first sound-absorbing panel; 205. a support spring; 206. a second sound-absorbing panel; 3. a horn body; 4. covering; 401. a metal protective net; 402. a dust screen; 403. a linking ring; 404. a convex ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The novel conical power amplifier loudspeaker sound absorbing structure comprises a power amplifier 1, an outer cover 2 and a loudspeaker body 3, wherein the outer cover 2 and the loudspeaker body 3 are arranged on the upper surface of the power amplifier 1, and when the novel conical power amplifier loudspeaker sound absorbing structure is used, external electric signals are transmitted to the inside of the power amplifier 1 and then transmitted to the loudspeaker body 3 through the power amplifier 1, so that the purpose of sounding is achieved.

The loudspeaker body 3 is located the center pin department of power amplifier 1, and loudspeaker body 3 is located the inside of dustcoat 2, and the top of dustcoat 2 is provided with covers 4.

The cover 4 includes a metal shield net 401 provided on the top of the housing 2, and a dust screen 402 is provided on the upper surface of the metal shield net 401.

The loudspeaker body 3 is arranged in the cover 4 and the outer cover 2, so that the purpose of protecting the loudspeaker body 3 is achieved, the external collision can be buffered through the metal protective net 401, the effect of filtering dust in air can be achieved through the dustproof net 402, and the external dust is prevented from adhering to the surface of the loudspeaker body 3 to influence the sounding quality of the loudspeaker body 3.

The lower surface of the metal protection network 401 is fixedly connected with a connection ring 403, the surface of the connection ring 403 is fixedly connected with a convex ring 404, an annular groove is formed in the inner ring surface of the top ring 203, and the convex ring 404 is matched with the annular groove.

Through setting up bulge loop 404 and ring channel, utilize bulge loop 404 card to establish in the inside of ring channel, reach the purpose of fixing a position between dustcoat 2 and cover 4, and dismantle simply, convenient follow-up maintenance, and need not the bolt, do not have the condition of bolt corrosion influence dismantlement progress.

The housing 2 comprises a bottom ring 201 adhered to the top of the power amplifier 1 through adhesive, the surface of the bottom ring 201 is fixedly connected with supporting rods 202, the number of the supporting rods 202 is a plurality of, the plurality of supporting rods 202 are arranged on the surface of the bottom ring 201 at equal intervals in an annular shape, and one end of the top of the supporting rods 202 is inclined to one side far away from the central shaft of the power amplifier 1.

The top end of the supporting rod 202 is fixedly connected with a top ring 203, and windows are formed among the bottom ring 201, the supporting rod 202 and the top ring 203.

The interior of the window is provided with a sound absorbing assembly.

The sound absorbing assembly comprises a first sound absorbing plate 204 arranged in a window, a supporting spring 205 is fixedly connected to the surface of the first sound absorbing plate 204, a second sound absorbing plate 206 is fixedly connected to the other end of the supporting spring 205, and melamine foam is used as manufacturing materials of the first sound absorbing plate 204 and the second sound absorbing plate 206.

Through setting up the sound subassembly, when loudspeaker body 3 uses, the noise of side diffusion can be absorbed by the first abatvoix 204 and the second abatvoix 206 of being made by the melamine foam, and then reaches the purpose that promotes loudspeaker body 3 tone quality.

Through setting up supporting spring 205, utilize supporting spring 205 to flexibly fix second abatvoix 206, under the acoustic wave influence, can drive second abatvoix 206 and rock, release the energy in the acoustic wave, avoid the energy of acoustic wave directly to act on second abatvoix 206 surface and cause second abatvoix 206 damage, and reached the purpose of disturbing the acoustic wave by the side transmission, reduce the noise that the side sent, further promote the quality.

The working process of the utility model is as follows:

this novel toper power amplifier loudspeaker inhale sound structure is when using, be connected power amplifier 1 and external signal source, outside signal transmission is inside power amplifier 1, then pass through power amplifier 1 and transmit to loudspeaker body 3, loudspeaker body 3 realizes the sounding action, when loudspeaker body 3 uses, the noise of side diffusion can be absorbed by first abatvoix 204 and the second abatvoix 206 by the melamine foam preparation, and the sound production route at its top is not influenced, and then reach the purpose that promotes loudspeaker tone quality, utilize support spring 205 to fix the second abatvoix 206 flexibility, under the acoustic wave influence, can drive second abatvoix 206 rock, release the energy in the acoustic wave, avoid the energy of acoustic wave directly to act on second abatvoix 206 surface and cause the damage of second abatvoix 206, when this loudspeaker inhale the sound structure is overhauld in the follow-up, utilize bulge loop 404 card to establish in the inside of ring channel, the convenience is dismantled to cover 4, and follow-up easy maintenance does not have the condition of bolt corrosion influence dismantlement progress.

This is the theory of operation of this novel toper power amplifier loudspeaker sound structure of inhaling.

The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a novel toper power amplifier loudspeaker inhale sound structure, includes power amplifier (1), sets up dustcoat (2) and loudspeaker body (3) at power amplifier (1) upper surface, its characterized in that: the loudspeaker body (3) is positioned at the central shaft of the power amplifier (1), the loudspeaker body (3) is positioned in the outer cover (2), and the top of the outer cover (2) is provided with a cover (4);

the outer cover (2) comprises a bottom ring (201) adhered to the top of the power amplifier (1) through adhesive, a supporting rod (202) is fixedly connected to the surface of the bottom ring (201), a top ring (203) is fixedly connected to the top end of the supporting rod (202), a window is formed between the bottom ring (201), the supporting rod (202) and the top ring (203), and a sound absorbing component is arranged in the window.

2. The novel sound absorbing structure of a conical power amplifier loudspeaker according to claim 1, wherein: the sound absorbing assembly comprises a first sound absorbing plate (204) arranged inside a window, a supporting spring (205) is fixedly connected to the surface of the first sound absorbing plate (204), and a second sound absorbing plate (206) is fixedly connected to the other end of the supporting spring (205).

3. The novel sound absorbing structure of the conical power amplifier loudspeaker according to claim 2, wherein: the first sound absorbing plate (204) and the second sound absorbing plate (206) are made of melamine foam.

4. The novel sound absorbing structure of a conical power amplifier loudspeaker according to claim 1, wherein: the number of the supporting rods (202) is a plurality, the supporting rods (202) are annularly and equidistantly arranged on the surface of the bottom ring (201), and one end of the top of each supporting rod (202) is inclined to one side far away from the central shaft of the power amplifier (1).

5. The novel sound absorbing structure of a conical power amplifier loudspeaker according to claim 1, wherein: the cover (4) comprises a metal protective net (401) arranged at the top of the outer cover (2), and a dust screen (402) is arranged on the upper surface of the metal protective net (401).

6. The novel sound absorbing structure of the conical power amplifier loudspeaker according to claim 5, wherein: the lower surface of metal protection network (401) fixedly connected with adapter ring (403), the fixed surface of adapter ring (403) is connected with bulge loop (404), and the ring channel has been seted up to the inner ring face of top ring (203), bulge loop (404) and ring channel looks adaptation.