CN220874723U

CN220874723U - High-low sound coaxial loudspeaker sharing magnetic circuit

Info

Publication number: CN220874723U
Application number: CN202322512014.9U
Authority: CN
Inventors: 曾喜海; 阎发兴; 闵静
Original assignee: Jiangxi Rongxian Acoustic Technology Co ltd
Current assignee: Jiangxi Rongxian Acoustic Technology Co ltd
Priority date: 2023-09-15
Filing date: 2023-09-15
Publication date: 2024-04-30
Anticipated expiration: 2033-09-15

Abstract

The application discloses a high-low sound coaxial loudspeaker sharing a magnetic circuit, which comprises: the high-pitch vibration structure comprises a high-pitch diaphragm and a high-pitch voice coil connected with the high-pitch diaphragm; the bass vibration structure comprises a drum paper and a bass voice coil connected with the drum paper, wherein the drum paper and the treble diaphragm face the same direction, and the bass voice coil and the treble voice coil are coaxial; and a magnet configured to provide a magnetic field to the bass voice coil and the treble voice coil. The high-low sound coaxial loudspeaker sharing the magnetic circuit is beneficial to simplifying the structure and process of products, reducing the volume of the products, lowering the production cost and improving the performance of the products.

Description

High-low sound coaxial loudspeaker sharing magnetic circuit

Technical Field

The application relates to the technical field of acoustics, in particular to a high-low sound coaxial loudspeaker sharing a magnetic circuit.

Background

The existing coaxial horn is assembled by a tweeter and a woofer through simple mechanical connection, namely, the tweeter and the woofer respectively comprise respective vibration structures and magnetic circuit structures, so that the whole coaxial horn has the advantages of more parts, large volume, high cost and complex process.

Disclosure of utility model

The application mainly solves the technical problem of providing the high-low sound coaxial loudspeaker with the shared magnetic circuit, which is mainly used for simplifying the structure of a product and reducing the volume of the product.

In order to solve the technical problems, the application provides a high-bass coaxial loudspeaker sharing a magnetic circuit, comprising: the high-pitch vibration structure comprises a high-pitch diaphragm and a high-pitch voice coil connected with the high-pitch diaphragm; the bass vibration structure comprises a drum paper and a bass voice coil connected with the drum paper, wherein the drum paper and the treble diaphragm face the same direction, and the bass voice coil and the treble voice coil are coaxial; and a magnet configured to provide a magnetic field to the bass voice coil and the treble voice coil.

In some alternative embodiments, the length of the high pitch voice coil in the vertical direction is less than the length of the low pitch voice coil in the vertical direction.

In some alternative embodiments, the top surface of the high pitch voice coil is lower than the top surface of the low pitch voice coil, and the bottom surface of the high pitch voice coil is higher than the bottom surface of the low pitch voice coil.

In some alternative embodiments, the tweeter and woofer of the common magnetic circuit further includes a tweeter washer disposed corresponding to the tweeter voice coil and a woofer washer disposed corresponding to the woofer voice coil, the Gao Yinhua washer being located between the tweeter voice coil and the woofer voice coil, the woofer washer being located outside of the woofer voice coil.

In some alternative embodiments, the Gao Yinhua st and the bass note overlap in the horizontal direction.

In some alternative embodiments, the tweeter and woofer of the shared magnetic circuit further comprises a T-bar comprising a base and a post extending upwardly from the base into the tweeter voice coil, the post being coaxial with the tweeter voice coil.

In some alternative embodiments, the top surfaces of the bass and Gao Yinhua seconds and the post are substantially flush.

In some alternative embodiments, the tweeter and woofer of the common magnetic circuit further includes a washer disposed on the base for carrying the tweeter vibrating structure, the Gao Yinhua unit being disposed on the washer, and the woofer unit being disposed on the magnet.

In some alternative embodiments, the bass voice coil surrounds the periphery of the treble voice coil and the treble diaphragm, and the magnet surrounds the periphery of the bass voice coil.

In some alternative embodiments, the drum paper and the tweeter membrane do not overlap in a vertical direction.

From the above technical solutions, the embodiment of the present application has the following advantages:

The high-low sound coaxial loudspeaker sharing the magnetic circuit has the advantages that the low sound voice coil and the high sound voice coil are coaxial and share one magnet, so that the structure and the process of a product are simplified, the volume of the product is reduced, and the production cost is reduced; in addition, the treble voice coil of the treble vibration structure and the drum paper of the bass vibration structure face the same direction, can work simultaneously towards the same direction, and improves the product performance.

Drawings

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

FIG. 1 is a top view of one embodiment of a high bass coaxial horn of the shared magnetic circuit of the present application;

Fig. 2 is a cross-sectional view A-A of the tweeter of the present application, shown in fig. 1, for a common magnetic circuit.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which 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 those skilled in the art based on the embodiments of the present application 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 and in the above drawings, 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 and 2, fig. 1 and 2 show an exemplary structure of one embodiment of a high-bass coaxial horn of a common magnetic circuit of the present application. As shown in fig. 1 and 2, the high-low pitch coaxial horn of the common magnetic circuit of the present application includes: a high-pitch vibration structure, a low-pitch vibration structure and a magnetic circuit structure.

Wherein the high-pitched vibration structure includes a high-pitched diaphragm 11 and a high-pitched voice coil 12 connected to the high-pitched diaphragm 11; the bass vibration structure includes a drum paper 21 and a bass voice coil 22 connected to the drum paper 21, the drum paper 21 and the treble diaphragm 11 are oriented in the same direction, and the bass voice coil 22 and the treble voice coil 12 are coaxial; the magnetic circuit structure includes a magnet 31, and the magnet 31 is configured to provide a magnetic field to both the bass voice coil 22 and the treble voice coil 12.

In some alternative embodiments, the bass voice coil 22 surrounds the outer periphery of the treble voice coil 12 and the treble diaphragm 11, and the magnet 31 is annular and surrounds the outer periphery of the bass voice coil 22.

In some alternative embodiments, the length of the voice coil 12 in the vertical direction is less than the length of the voice coil 22 in the vertical direction.

In some alternative embodiments, the top surface of the high pitch voice coil 12 is lower than the top surface of the low pitch voice coil 22, and the bottom surface of the high pitch voice coil 12 is higher than the bottom surface of the low pitch voice coil 22.

In some alternative embodiments, the magnetic circuit structure further includes a tweeter washer 32 disposed corresponding to the tweeter voice coil 12, and a woofer washer 33, gao Yinhua washer 32 disposed corresponding to the woofer voice coil 22, the woofer washer 33 being located between the tweeter voice coil 12 and the woofer voice coil 22, the woofer washer 33 being located outside of the woofer voice coil 22.

In some alternative embodiments, the bass washer 33 is placed around Gao Yinhua washer 32, and the treble washer 32 and the bass washer 33 overlap in the horizontal direction to achieve good magnetic force transfer.

In some alternative embodiments, the magnetic circuit structure further includes a T-bar 34, the T-bar 34 including a base 341 and a post 342 extending upwardly from the base 341 into the tweeter coil 12, the post 342 being coaxial with the tweeter coil 12.

In some alternative embodiments, the top surfaces of the bass silvers 33 and Gao Yinhua s 32 and the stem 342 are substantially flush (i.e., with an error of less than a small value, such as with an error of less than 0.5 times or 0.3 times or 0.1 times the thickness of Gao Yinhua s 32).

In some alternative embodiments, bass washer 33 is disposed on magnet 31.

In some alternative embodiments, both bass washer 33 and magnet 31 are annular, and the inside and outside diameters of bass washer 33 are smaller than the inside and outside diameters of magnet 31, respectively.

Here, magnets 31, gao Yinhua, 32, bass washer 33, and T-iron 34 together constitute a magnetic circuit structure that provides a magnetic field for the high-pitched vibration structure and the low-pitched vibration structure. Wherein the diameters of bass washer 33, magnets 31 and Gao Yinhua and 32 define a first gap within which bass voice coil 22 is located; gao Yinhua a second gap is defined between the stem 32 and the post 342, in which the tweeter coil 12 is located.

In some alternative embodiments, the tweeter and woofer of the present application, which shares the magnetic circuit, further includes a washer 41, the washer 41 being disposed on the base 341 as a support structure for carrying the tweeter vibration structure and tweeter bloom 32. Optionally, the gasket 42 is annular in shape and is disposed around the post 342.

In some alternative embodiments, the gasket 42 may be made of a plastic material.

In some alternative embodiments, the periphery of the tweeter membrane 11 is attached to the top end of the washer 41.

In some alternative embodiments, the tweeter washer 32 is disposed on the washer 41.

In some alternative embodiments, the drum paper 21 and the treble film 11 do not overlap in the vertical direction. That is, in the vertical direction, the entire high-pitched diaphragm 11 is positioned inside the low-pitched voice coil 22, and the drum paper 21 is positioned outside the low-pitched voice coil 22. In this way, when the high-pitched diaphragm 11 and the drum paper 21 face in the same direction, the sound generated by the high-pitched diaphragm 11 can be emitted from the opening in the middle of the drum paper 21 without being affected.

In some alternative embodiments, the high-low pitch coaxial horn of the present application further comprises a frame 42, wherein the frame 42 is configured to carry the low pitch vibration structure and is connected to the magnetic circuit structure. The basin stand 42 may be made of metal.

In some alternative embodiments, the inside edge of the paper 21 is attached to the bass voice coil 22 and the outside edge is attachable to the frame 42.

In some alternative embodiments, the bass vibration structure further includes a damper 23 coupled to the bass voice coil 22. The damper 23, which may be also referred to as a centering bracket, has the other end connected to the frame 42 and is configured to fix the voice coil 22, prevent the voice coil 22 from rocking in a side-to-side manner, and ensure that the voice coil 22 can vibrate reciprocally only in a vertical direction.

In the above, the embodiment of the application provides a high-low pitch coaxial horn sharing a magnetic circuit. From the above technical solutions, the embodiment of the present application has the following advantages:

(1) The bass vibration structure and the treble vibration structure are coaxial and share one magnet, so that the structure is simple, the cost is low, and the product volume is reduced;

(2) Compared with the existing coaxial loudspeaker, one magnet is reduced, the production process is simplified, and the production efficiency can be improved by more than 50%;

(3) The sounding of the high-pitch vibration structure is not blocked by the drum paper 21, and the high-pitch deformation phenomenon can not occur;

(4) The product performance is improved, and the product performance can be improved by more than 30 percent through verification.

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 only for illustrating the technical solution of the present application, and are not limiting. 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 technical solutions of the embodiments of the present application.

Claims

1. A high-low pitch coaxial horn sharing a magnetic circuit, comprising:

The high-pitch vibration structure comprises a high-pitch diaphragm and a high-pitch voice coil connected with the high-pitch diaphragm;

the bass vibration structure comprises a drum paper and a bass voice coil connected with the drum paper, wherein the drum paper and the treble diaphragm face the same direction, and the bass voice coil and the treble voice coil are coaxial;

A magnet configured to provide a magnetic field for the bass voice coil and the treble voice coil;

And a damper configured to fix the bass voice coil.

2. The high-low pitch coaxial loudspeaker of a common magnetic circuit according to claim 1, wherein a length of the high pitch voice coil in a vertical direction is smaller than a length of the low pitch voice coil in a vertical direction.

3. The high and low pitch coaxial loudspeaker of a shared magnetic circuit according to claim 2, wherein a top surface of the high pitch voice coil is lower than a top surface of the low pitch voice coil, and a bottom surface of the high pitch voice coil is higher than a bottom surface of the low pitch voice coil.

4. The high-low pitch coaxial horn of claim 1, further comprising a high pitch washer disposed corresponding to the high pitch voice coil, and a low pitch washer disposed corresponding to the low pitch voice coil, the Gao Yinhua washer being located between the high pitch voice coil and the low pitch voice coil, the low pitch washer being located outside the low pitch voice coil.

5. The high-low pitch coaxial horn of claim 4, wherein the Gao Yinhua s and the bass washer overlap in a horizontal direction.

6. The high and low pitch coaxial horn of claim 4, further comprising a T-iron comprising a base and a post extending upwardly from the base into the high pitch voice coil, the post being coaxial with the high pitch voice coil.

7. The high and low pitch coaxial horn of claim 6, wherein the top surfaces of the bass and Gao Yinhua s and the post are substantially flush.

8. The high and low pitch coaxial horn sharing a magnetic circuit according to claim 6, further comprising a washer disposed on said base for carrying said high pitch vibration structure, said Gao Yinhua s being disposed on said washer, said bass washer being disposed on said magnet.

9. The high and low pitch coaxial loudspeaker of a common magnetic circuit according to claim 1, wherein the low pitch voice coil surrounds the high pitch voice coil and the high pitch diaphragm, and the magnet surrounds the low pitch voice coil.

10. The high-low pitch coaxial horn of the common magnetic circuit according to claim 1, wherein the drum paper and the high pitch diaphragm do not overlap in a vertical direction.