CN116320924A - Topological curved surface belt loudspeaker - Google Patents

Abstract

The application discloses topological curved surface area speaker, including topological curved surface area vibrating diaphragm and moving coil driver of connection thereof, topological curved surface area vibrating diaphragm is in vibration sound production under the drive of moving coil driver. The topological curved surface belt loudspeaker has the advantages of small distortion, good low-frequency response, no high-frequency directivity sharp due to the enlargement of the vibrating diaphragm, wide directivity and the like.

Description

Topological curved surface belt loudspeaker

Technical Field

The application relates to the technical field of speakers, in particular to a topological curved surface belt speaker.

Background

A common speaker is a moving coil speaker, which uses a current-carrying coil in a magnetic field to generate sound by being driven by ampere force to vibrate a vibration basin. The sound emitted by the front surface and the sound emitted by the back surface of the cone-shaped cone of the moving-coil loudspeaker are opposite. The front chamber effect of the moving coil speaker may deteriorate the frequency response and may also generate phase disturbance.

Disclosure of Invention

The technical problem that this application mainly solves is, provides a topological curved surface area speaker for realize better tone quality.

The application adopts the following technical scheme: a topological curved surface belt loudspeaker comprises a topological curved surface belt vibrating diaphragm and a moving coil driver connected with the topological curved surface belt vibrating diaphragm, wherein the topological curved surface belt vibrating diaphragm vibrates and sounds under the driving of the moving coil driver.

In some alternative embodiments, the topologically curved strip diaphragm is a twisted curved strip having a twist angle of 180 degrees from one end to the other.

In some alternative embodiments, the moving coil driver is connected to an intermediate position of the topologically curved belt diaphragm.

In some alternative embodiments, the topologically curved strip diaphragm has a bend.

In some alternative embodiments, two ends of the topological curved surface belt vibrating diaphragm are respectively connected with sleeves, and two sleeves are respectively sleeved at two ends of a tube seat.

In some alternative embodiments, the moving coil drive is mounted to the socket by a support.

In some alternative embodiments, the topologically curved ribbon speaker further comprises a cradle coupled to the stem, the cradle configured to couple to an external device.

In some alternative embodiments, the moving coil driver includes: a magnetic system having a magnetic gap; a drive coil located within the magnetic gap; and a vibration plate, one side surface of which is connected with the driving coil, and the other side surface of which is configured to be connected with the topological curved belt diaphragm.

In some alternative embodiments, the magnetic system includes a magnetically permeable post and a magnet and a magnetically permeable plate disposed around the magnetically permeable post, the magnetically permeable post forming the magnetic gap with the magnet and the magnetically permeable plate.

In some alternative embodiments, the topologically curved diaphragm is provided with a plurality of grooves (holes).

From the above technical solutions, the embodiments of the present application have the following advantages:

the topological curved surface belt loudspeaker provided by the application adopts the topological curved surface belt vibrating diaphragm, the topological curved surface belt is used as the surface of the vibrating diaphragm, and because the driving of the moving coil driver performs random vibration in a normal vibration mode, each part of the vibrating diaphragm moves independently and is not synchronous with other parts, the whole topological curved surface belt vibrating diaphragm is formed by a plurality of micro unit diaphragms, and each micro unit diaphragm independently sounds, and the overall effect of the topological curved surface belt vibrating diaphragm forms the overall frequency response characteristic.

The topological curved surface belt loudspeaker has no common front chamber effect of the moving coil loudspeaker, is acoustic vibration generated by bending waves generated by bending vibration of the thin plate, is topological curved surface, has no phase difference of radiation at two sides of the thin plate, and forms positive and negative in-phase radiation (or gradually changes from positive direction to reverse direction). The sound emitted from one surface of the topological curved surface belt vibrating diaphragm can not be mutually counteracted with the sound power emitted from the other surface of the topological curved surface belt vibrating diaphragm, but can be well overlapped.

Therefore, the topological curved surface band loudspeaker has the advantages of small distortion, good low-frequency response, no high-frequency directivity sharp due to the enlargement of the vibrating diaphragm, wide directivity and the like, and is a loudspeaker variety with development potential.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly introduce the drawings needed in the embodiments and the description of the prior art, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a topology curved ribbon speaker according to one embodiment of the present application;

fig. 2 is a schematic structural view of a moving coil driver according to an embodiment of the present application.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

The terms first, second, third and the like in the description and in the claims of the application and in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

The following will each explain in detail by means of specific examples.

Referring to fig. 1, fig. 1 shows a topological curved ribbon speaker (hereinafter referred to as a speaker) according to an embodiment of the present application.

As shown in fig. 1, the tape speaker of the embodiment of the present application includes: the topological curved surface belt vibrating diaphragm 1 and the movable coil driver 2 connected with the same, and the topological curved surface belt vibrating diaphragm 1 vibrates and sounds under the driving of the movable coil driver 2, so that the loudspeaker function is realized.

In some alternative embodiments, the loudspeaker of the embodiment further comprises a support tube 3, and the topological curved strip diaphragm 1 and the moving coil driver 2 can be mounted and fixed on the tube 3. Alternatively, the socket 3 is a cylindrical member that can be placed vertically and the inside of which can be hollow to accommodate other connectors.

In some alternative embodiments, two ends of the topological curved surface belt vibrating diaphragm 1 are respectively connected with two sleeves 4, and the two sleeves are respectively sleeved at two ends of the tube seat 3, so that the topological curved surface belt vibrating diaphragm 1 is fixed.

In some alternative embodiments, the moving coil driver 2 may be mounted on the tube holder 3 and connected to the intermediate position of the topologically curved belt diaphragm 1.

In some alternative embodiments, the moving coil drive 2 may be mounted to the socket 3 by a support.

In some alternative implementations, the speaker of the present embodiments further includes a cradle 5 coupled to the stem 3, the cradle 5 being configured to couple to an external device.

In some alternative embodiments, the topologically curved strip diaphragm 1 is a twisted curved strip with a twist angle of 180 degrees from one end to the other.

In some alternative embodiments, the topologically curved strip diaphragm 1 may be implemented using a sheet material, such as a thin metal sheet, and in order to enhance the strength and improve the vibration characteristics thereof, grooves (holes) penetrating the surface of the topologically curved strip diaphragm 1 may be pre-punched, for example, pattern grooves (holes) in the form of "", "". Alternatively, the thickness of the thin metal sheet may be, for example, between 3 micrometers and 3 millimeters.

In some alternative embodiments, the topologically curved strip diaphragm 1 may be considered as a mobius strip disconnected from the middle.

Referring to fig. 2, fig. 2 shows a schematic structural view of the moving coil driver 2 in one embodiment of the present application. As shown in fig. 2, the moving coil driver 2 may include:

the magnetic system may include a hollow magnetic conductive column 21, and an annular magnet 22 and an annular magnetic conductive plate 23 disposed around the magnetic conductive column 21, wherein a magnetic gap is formed between a sidewall of the magnetic conductive column 21 and an inner sidewall of the magnet 22 and an inner sidewall of the magnetic conductive plate 23;

a drive coil 24 positioned within the magnetic gap of the magnetic system;

and a vibrating plate 25, one side surface of which is connected to the driving coil 24 and the other side surface of which is configured to be connected to the topologically curved band diaphragm 1.

In some alternative embodiments, centering means 26 may also be included, which may be a bellows-type annular ring with elastic support, including an annular ring disposed above the magnetically permeable plate 23 and an elastic bellows extending from the inside of the annular ring to the drive coil 24, for securing the drive coil 24 in its vertical position so that the drive coil 24 can only move up and down.

In some alternative embodiments, a connector 27 may be further included for connecting the driving coil 24 and the vibration plate 25.

As described above, the embodiment of the present application proposes a speaker which may be composed of a topologically curved band diaphragm 1, a moving coil driver 2, a stem 3, a sleeve 4, a bracket 5, and the like. Wherein the sleeve 4 is used for fixing the topological curved surface belt vibrating diaphragm 1, and the topological curved surface belt vibrating diaphragm 1 is fixed on the tube seat 3 through the sleeve 4. The tube seat 3 is used for positioning, fixing the moving coil driver 2 through a supporting piece, and connecting the topological curved surface belt loudspeaker driven by the moving coil with the outside through the connection with the bracket 5. The bracket 5 is a main part for connecting the topological curved surface belt loudspeaker driven by the moving coil with the outside. The moving coil driver 2 is a device for driving the topological curved belt vibrating diaphragm 1, converts an audio signal into a driving signal, and acts on the surface of the topological curved belt vibrating diaphragm 1 to enable the surface to vibrate randomly in a normal vibration mode due to the driving of the moving coil. The topological curved surface belt vibrating diaphragm 1 is a vibrating body and is a vibrating source for sounding.

The technical scheme of the application is described in detail through the specific embodiments. In the foregoing embodiments, the descriptions of the embodiments are each focused, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.

It should be understood that the above embodiments are merely illustrative of the technical solutions of the present application, and not limiting thereof. Modifications of the technical solutions described in the above embodiments or equivalent substitutions of some technical features thereof may be made by those skilled in the art; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (10)

1. The topological curved surface belt loudspeaker is characterized by comprising a topological curved surface belt vibrating diaphragm and a moving coil driver connected with the topological curved surface belt vibrating diaphragm, wherein the topological curved surface belt vibrating diaphragm vibrates and sounds under the driving of the moving coil driver.

2. The topologically curved strip speaker of claim 1, wherein said topologically curved strip diaphragm is a twisted curved strip having a twist angle of 180 degrees from one end to the other end.

3. The topologically curved strip speaker of claim 1, wherein said moving coil driver is connected to an intermediate location of said topologically curved strip diaphragm.

4. The topologically curved strip speaker of claim 1, wherein said topologically curved strip diaphragm has a bend.

5. The topologically curved strip loudspeaker of claim 1, wherein two ends of said topologically curved strip diaphragm are respectively connected with sleeves, two of said sleeves being respectively sleeved at two ends of a tube socket.

6. The topologically curved strip speaker of claim 5, wherein said moving coil driver is mounted to said stem by a support.

7. The topologically curved strip speaker of claim 5, further comprising a cradle coupled to said header, said cradle configured to couple to an external device.

8. The topologically curved strip speaker of claim 1, wherein said moving coil driver comprises:

a magnetic system having a magnetic gap;

a drive coil located within the magnetic gap;

and a vibration plate, one side surface of which is connected with the driving coil, and the other side surface of which is configured to be connected with the topological curved belt diaphragm.

9. The topologically curved strip speaker of claim 1, wherein said magnetic system comprises a magnetically permeable post and a magnet and a magnetically permeable plate disposed around said magnetically permeable post, said magnetically permeable post forming said magnetic gap with said magnet and said magnetically permeable plate.

10. The topologically curved strip speaker of claim 1, wherein said topologically curved strip diaphragm is provided with a plurality of grooves.

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