CN218387884U

CN218387884U - Two-way sound production speaker and electronic equipment

Info

Publication number: CN218387884U
Application number: CN202221979152.7U
Authority: CN
Inventors: 牛永耀
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shiyuan Artificial Intelligence Innovation Research Institute Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shiyuan Artificial Intelligence Innovation Research Institute Co Ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2023-01-24
Anticipated expiration: 2032-07-28

Abstract

The utility model relates to a two-way sound production loudspeaker and electronic equipment, the two-way sound production loudspeaker comprises a basin frame, a first magnetizer, a second magnetizer and a magnet unit, wherein the first magnetizer, the second magnetizer and the magnet unit are arranged in the basin frame; the second magnetizer is arranged at the outer periphery of the first magnetizer; the two ends of the magnet unit are respectively connected with the first magnetizer and the second magnetizer, a first magnetic gap is formed between the inner side of the magnet unit and the first magnetizer as well as between the inner side of the magnet unit and the second magnetizer, and a second magnetic gap is formed between the outer side of the magnet unit and the first magnetizer as well as between the outer side of the magnet unit and the second magnetizer; a first voice coil is arranged in the first magnetic gap, and a first vibrating diaphragm is arranged at one end of the first voice coil; a second voice coil is arranged in the second magnetic gap, and a second vibrating diaphragm is arranged at one end of the second voice coil; a first magnet is arranged between the first voice coil and the first magnetizer, and a second magnet is arranged between the second voice coil and the first magnetizer. The bidirectional sound-producing loudspeaker utilizes the design of the internal and external magnetic circuit structures, thereby reducing the manufacturing cost and improving the performance of the loudspeaker.

Description

Two-way sound production speaker and electronic equipment

Technical Field

The utility model relates to an acoustic energy conversion technology field especially relates to a two-way vocal speaker and electronic equipment.

Background

The loudspeaker is an important acoustic component of entertainment audio-visual equipment, is mainly used for completing conversion between an electric signal and a sound signal, and is a relatively common acoustic energy conversion device.

Conventional speakers are typically designed in such a way that a single magnet pushes a voice coil to sound in one direction. The two-way sounding loudspeaker assembly is generally formed by mounting two independent loudspeakers back to back, and the structural principle of the two-way sounding loudspeaker assembly is that two independent loudspeakers are combined together. Although the loudspeaker assembly capable of producing sound in two directions effectively improves performances such as sensitivity, volume and the like, the effective utilization rate of the magnet structure is low, and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims to overcome the not enough of prior art, provide a two-way sound production speaker, its simple structure has effectively utilized inside and outside magnetic structure's design, has reduced manufacturing cost and has improved the performance of speaker.

In order to realize the purpose, the utility model discloses a technical scheme be:

a bidirectional sound production loudspeaker comprises a basin frame, a first magnetizer, a second magnetizer and a magnet unit, wherein the first magnetizer, the second magnetizer and the magnet unit are arranged in the basin frame; the second magnetizer is arranged at the outer periphery of the first magnetizer and is isolated from the first magnetizer; the two ends of the magnet unit are respectively connected with the first magnetizer and the second magnetizer, a first magnetic gap is formed between the inner side of the magnet unit and the first magnetizer as well as the second magnetic gap is formed between the outer side of the magnet unit and the first magnetizer as well as the second magnetizer; the opening direction of the first magnetic gap is opposite to that of the second magnetic gap, a first voice coil is arranged in the first magnetic gap, and a first vibrating diaphragm is arranged at one end, far away from the first magnetizer, of the first voice coil; a second voice coil is arranged in the second magnetic gap, and a second vibrating diaphragm is arranged at one end, far away from the first magnetizer, of the second voice coil; a first magnet is arranged between the first voice coil and the first magnetizer, and a second magnet is arranged between the second voice coil and the first magnetizer.

As an implementation mode, a first wiring board and a second wiring board are respectively arranged on the outer sides of the basin frame, the first wiring board is electrically connected with the first voice coil, and the second wiring board is electrically connected with the second voice coil.

As an implementation manner, the first magnetizer is a T-shaped iron, the T-shaped iron includes a magnetic conduction bottom plate and a magnetic conduction column disposed on the magnetic conduction bottom plate, one end of the first magnet is connected to one end of the magnetic conduction column, which is far away from the magnetic conduction bottom plate, and one end of the second magnet is connected to one end of the magnetic conduction bottom plate, which is far away from the magnetic conduction column.

As an embodiment, the second magnetizer is U-shaped iron, one end of the magnet unit is connected to the bottom of the U-shaped iron, and the first magnetic gap is formed between the inner sidewall of the magnet unit and the sidewall of the magnetic conductive column; the other end of the magnet unit is connected with the magnetic conduction flat plate of the T-shaped iron, and the second magnetic gap is formed between the outer side wall of the magnet unit and the inner side wall of the U-shaped iron.

In one embodiment, an elastic wave support is disposed at an outer periphery of the first voice coil, and a first elastic wave is disposed at an end of the elastic wave support close to the first diaphragm.

As an implementation manner, a positioning suspension edge is arranged between the second voice coil and the basin frame, and two sides of the positioning suspension edge are respectively connected with the basin frame and the second voice coil.

As an implementation mode, the edge of one end, close to the first voice coil, of the first diaphragm abuts against one end of the basin frame, and a first gasket is arranged at one end, far away from the first voice coil, of the first diaphragm; the edge of one end, far away from the second voice coil, of the second vibrating diaphragm is attached to the other end of the basin frame, and a second gasket is arranged on the outer side of the other end of the basin frame.

As an implementation mode, the second magnetizer is in threaded connection with the basin frame through a plurality of screws.

As an embodiment, the second magnetizer is connected with the basin frame in a snap-fit manner.

Two-way sound production speaker, through the mode with inside and outside magnetic circuit combination nested, and then assemble two vibration system to the basin frame to realize the structure appearance of single speaker. Specifically, adopt detachable modes such as threaded connection or buckle connection to assemble together between second magnetizer and the basin frame, pass through magnet unit connection between second magnetizer and the first magnetizer, and the both ends of first magnetizer are connected respectively first magnet and second magnet, from this, combine magnetic structure part and basin frame together through above-mentioned mode to effectively utilized inside and outside magnetic structure's design, improved magnetic structure's utilization ratio, reduced manufacturing cost, and improved the performance of speaker.

In addition, another object of the present invention is to provide an electronic device, comprising the bidirectional speaker as described above. The utility model discloses an electronic equipment, its speaker is nested through the mode with inside and outside magnetic circuit combination, and then assembles the basin frame with two vibration systems to effectively utilized inside and outside magnetic structure's design, improved magnetic structure's utilization ratio, reduced manufacturing cost, and improved the performance of speaker.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a bidirectional speaker according to embodiment 1 of the present invention;

fig. 2 is a schematic cross-sectional view of a bidirectional speaker according to embodiment 1 of the present invention;

fig. 3 is an exploded schematic view of a bidirectional speaker according to embodiment 1 of the present invention;

fig. 4 is an exploded view of the basin stand and the second magnetizer according to embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a basin stand according to embodiment 2 of the present invention;

fig. 6 is a schematic cross-sectional view of a bidirectional speaker according to embodiment 2 of the present invention.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible implementations and advantages of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting of the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Example 1

Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a bidirectional sound speaker according to embodiment 1 of the present invention; fig. 2 is a schematic cross-sectional view of a bidirectional speaker according to embodiment 1 of the present invention; fig. 3 is an exploded schematic view of a bidirectional speaker according to embodiment 1 of the present invention; fig. 4 is an exploded view of the basin stand and the second magnetizer according to embodiment 1 of the present invention.

As shown in fig. 1 and fig. 2, in the present embodiment, the bidirectional sound speaker includes a frame 10, and a first magnetizer 20, a second magnetizer 30 and a magnet unit 40 disposed in the frame 10; the second magnetizer 30 is disposed at the outer periphery of the first magnetizer 20, and is isolated from the first magnetizer 20; the two ends of the magnet unit 40 are respectively connected with the first magnetizer 20 and the second magnetizer 30, a first magnetic gap 41 is formed between the inner side of the magnet unit 40 and the first magnetizer 20 as well as between the inner side of the magnet unit 40 and the second magnetizer 30, and a second magnetic gap 42 is formed between the outer side of the magnet unit 40 and the first magnetizer 20 as well as between the outer side of the magnet unit 40 and the second magnetizer 30; the opening of the first magnetic gap 41 faces in the opposite direction to the opening of the second magnetic gap 42.

Specifically, a first voice coil 50 is disposed in the first magnetic gap 41, a first magnet 21 is disposed between the first voice coil 50 and the first magnetic conductor 20, and a first diaphragm 60 is disposed at one end of the first voice coil 50 away from the first magnetic conductor 20. A second voice coil 70 is provided in the second magnetic gap 42, and a second magnet 22 is provided between the second voice coil 70 and the first magnetizer 20; the end of the second voice coil 70 far from the first magnetizer 20 is provided with a second diaphragm 80. That is, the first magnet 21 and the second magnet 22 of the present embodiment are respectively connected to both ends of the first magnetizer 20.

Referring to fig. 2, in the present embodiment, the first magnetizer 20, the second magnetizer 30, the magnet unit 40, the first magnet 21 and the second magnet 22 jointly form a magnetic circuit structure of the bidirectional generating speaker in the present embodiment. Therefore, in the present embodiment, the first magnet 21 and the second magnet 22 are respectively connected to two ends of the first magnetizer 20, and the magnet unit 40 is disposed between the first magnetizer 20 and the second magnetizer 30, so that the two vibration systems of the present embodiment are respectively combined at two ends of the magnetic circuit structure, thereby effectively improving the utilization rate of the magnetic circuit structure.

In this embodiment, a first wiring board 11 and a second wiring board 12 are respectively disposed on the outer side of the frame 10, the first wiring board 11 is electrically connected to the first voice coil 50, and the second wiring board 12 is electrically connected to the second voice coil 70. Thus, the present embodiment can connect different signal sources through the first wiring board 11 and the second wiring board 12.

As shown in fig. 2 and 3, in the present embodiment, the first magnetic conductor 20 may be T-shaped iron, the second magnetic conductor 30 may be U-shaped iron, and the magnet unit 40 may be a ring magnet. Specifically, the first magnetizer 20 includes a cylindrical magnetic conductive column and a disc-shaped magnetic conductive flat plate, and the magnetic conductive column is coaxially disposed at one end of the magnetic conductive flat plate. The second magnetizer 30 includes a magnetic disk with an opening at the center and a magnetic side ring in a ring shape, and one end of the magnetic side ring is connected with one end edge of the magnetic disk. In this embodiment, the diameter of the central opening of the magnetic conductive disk of the second magnetic conductor 30 is greater than the diameter of the magnetic conductive column of the first magnetic conductor 20, and the magnetic conductive disk is located outside the upper end of the magnetic conductive column, one end of the magnet unit 40 is connected to the magnetic conductive disk of the second magnetic conductor 30, and the other end of the magnet unit 40 is connected to one end of the magnetic conductive flat plate of the first magnetic conductor 20, which is close to the magnetic conductive column.

Therefore, the inner sidewall of the magnet unit 40 of the present embodiment and the outer sidewall of the magnetic conductive column of the first magnetic conductor 20 are disposed at an interval, and the inner sidewall of the magnet unit 40, the outer sidewall of the magnetic conductive column of the first magnetic conductor 20 and the opening of the magnetic conductive disk of the second magnetic conductor 30 form the first magnetic gap 41. One end of the first voice coil 50 is disposed in the first magnetic gap 41, and the other end of the first voice coil 50 is connected to the first diaphragm 60. The first magnet 21 of this embodiment may be a disk, and the diameter of the first magnet 21 of this embodiment is smaller than the diameter of the magnetic column of the first magnetizer 20.

The first diaphragm 60 of the present embodiment may be a horn-shaped film-shaped vibration member, the shape and size of the first diaphragm 60 match the shape and size of the first voice coil 50, and the first voice coil 50 may be, but is not limited to, a cone, an aluminum cone, and the like. In addition, the horn opening direction of the first diaphragm 60 is the same as the opening direction of the first magnetic gap 41.

In this embodiment, when the first wiring board 11 is connected to an external signal source, the first voice coil 50 passes through an audio current, and under the action of the magnetic field formed by the first magnetic conductor 20 and the magnet unit 40, the first diaphragm 60 is driven to reciprocate back and forth in the direction of the opening of the first magnetic gap 41, so as to generate an audio signal corresponding to the audio current.

In addition, the outer sidewall of the magnet unit 40 and the inner sidewall of the magnetic side ring of the second magnetic conductor 30 are disposed at an interval, and the outer sidewall of the magnet unit 40, the inner sidewall of the magnetic side ring of the second magnetic conductor 30 and the outer sidewall of the magnetic flat plate of the first magnetic conductor 20 form the second magnetic gap 42. One end of the second voice coil 70 is disposed in the second magnetic gap 42, and the other end of the second voice coil 70 is connected to the second diaphragm 80. The second magnet 22 of this embodiment may be a disk, and the diameter of the second magnet 22 of this embodiment is smaller than the diameter of the magnetic conductive flat plate of the first magnetic conductor 20.

The second diaphragm 80 of the present embodiment may be a horn-shaped film-shaped vibration member, the shape and size of the second diaphragm 80 match the shape and size of the second voice coil 70, and the second voice coil 70 may be, but is not limited to, a cone, an aluminum cone, and the like. In addition, the horn opening direction of the second diaphragm 80 is the same as the opening direction of the second magnetic gap 42.

In this embodiment, when the second wiring board 12 is connected to an external signal source, the second voice coil 70 passes through an audio current, and under the action of the magnetic field formed by the second magnetic conductor 30 and the magnet unit 40, drives the second diaphragm 80 to reciprocate back and forth in the opening direction of the second magnetic gap 42, so as to generate an audio signal corresponding to the audio current.

Thus, the first voice coil 50 of the present embodiment has a size smaller than that of the second voice coil 70, thereby allowing the bidirectional generation speaker of the present embodiment to respond to audio signals of low and medium-high frequencies. Specifically, the first voice coil 50 may be responsible for processing medium and high frequency audio signals due to its small size, while the second voice coil 70 may be responsible for processing low frequency audio signals due to its large size.

Referring to fig. 2 and fig. 3 again, in the present embodiment, an elastic support 90 is disposed at an outer periphery of the first voice coil 50, and a first elastic wave 91 is disposed at an end of the elastic support 90 close to the first diaphragm 60. The first damper 91 may be an annular elastic member. In addition, the edge of one end of the first diaphragm 60 close to the first voice coil 50 abuts against one end of the frame 10, and a first gasket is disposed at one end of the first diaphragm 60 far from the first voice coil 50.

In addition, a positioning suspension edge 71 is arranged between the second voice coil 70 and the frame 10, and two sides of the positioning suspension edge 71 are respectively connected with the frame 10 and the second voice coil 70. In this embodiment, an edge of one end of the second diaphragm 80 away from the second voice coil 70 is abutted against the other end of the frame 10, and a second gasket is disposed outside the other end of the frame 10.

Referring to fig. 4, the basin stand 10 of the present embodiment may be a trumpet-shaped framework structure. The interior of the frame 10 of this embodiment is a cavity structure, and in this embodiment, the frame 10 is in threaded connection with the second magnetizer 30. Specifically, a plurality of through holes 13 are formed in the side wall of the frame 10, and corresponding threaded holes 31 are respectively formed in positions of the second magnetizer 30 opposite to the plurality of through holes 13. Therefore, in the present embodiment, the plurality of screws 14 respectively pass through the plurality of through holes 13 of the frame 10 and are screwed into the corresponding threaded holes 31 of the second magnetizer 30, so as to fix the second magnetizer 30 in the frame 10.

Compared with the prior art, two-way sound production speaker, through carrying out nestification with the mode of inside and outside magnetic circuit combination, and then assemble two vibration systems in basin frame 10 to realize the structure appearance of single speaker. Specifically, the second magnetizer 30 is assembled with the basin frame 10 in a detachable manner such as a threaded connection or a buckle connection, the second magnetizer 30 is connected with the first magnetizer 20 through the magnet unit 40, and the two ends of the first magnetizer 20 are respectively connected with the first magnet 21 and the second magnet 22, so that the magnetic structure part is combined with the basin frame 10 in the above manner, thereby effectively utilizing the design of the internal and external magnetic structures, improving the utilization rate of the magnetic structure, reducing the manufacturing cost and improving the performance of the speaker.

Example 2

Referring to fig. 5 and 6, fig. 5 is a schematic structural view of a basin stand according to embodiment 2 of the present invention; fig. 6 is a schematic cross-sectional view of a bidirectional speaker according to embodiment 2 of the present invention.

This example is substantially the same as example 1, except that: the basin stand 10 of the present embodiment is connected with the second magnetizer 30 in a snap-fit manner. Referring to fig. 5 and 6, the inner side wall of the basin stand 10 of the present embodiment is respectively provided with a plurality of elastic blocks 15 at equal heights, and the elastic blocks 15 are respectively obliquely arranged on the inner side wall of the basin stand 10. Wherein, the inclination direction of the plurality of elastic blocks 15 faces to the end with smaller diameter of the basin stand 10. Therefore, the second magnetizer 30 of the embodiment is put in from the end with the larger diameter of the basin stand 10 and moves towards the end with the smaller diameter of the basin stand 10 until the second magnetizer 30 pushes open the plurality of elastic blocks 15, and the plurality of elastic blocks 15 respectively abut against the second magnetizer 30 and support the second magnetizer 30 together.

Example 3

This embodiment provides an electronic device comprising a bidirectional speaker as described in any of the above embodiments. In the electronic equipment of the embodiment, the loudspeaker is nested in a mode of combining the inner magnetic circuit and the outer magnetic circuit, and then the two vibration systems are assembled in the basin frame, so that the design of the inner magnetic circuit structure and the outer magnetic circuit structure is effectively utilized, the utilization rate of the magnetic circuit structure is improved, the manufacturing cost is reduced, and the performance of the loudspeaker is improved.

The above embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the two-way sound speaker and the electronic device. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A two-way sound production speaker, its characterized in that:

comprises a basin frame, a first magnetizer, a second magnetizer and a magnet unit which are arranged in the basin frame; the second magnetizer is arranged at the periphery of the first magnetizer and is isolated from the first magnetizer; the two ends of the magnet unit are respectively connected with the first magnetizer and the second magnetizer, a first magnetic gap is formed between the inner side of the magnet unit and the first magnetizer as well as the second magnetic gap is formed between the outer side of the magnet unit and the first magnetizer as well as the second magnetizer; the opening direction of the first magnetic gap is opposite to that of the second magnetic gap, a first voice coil is arranged in the first magnetic gap, and a first vibrating diaphragm is arranged at one end, far away from the first magnetizer, of the first voice coil; a second voice coil is arranged in the second magnetic gap, and a second vibrating diaphragm is arranged at one end, far away from the first magnetizer, of the second voice coil; a first magnet is arranged between the first voice coil and the first magnetizer, and a second magnet is arranged between the second voice coil and the first magnetizer.

2. A bi-directional sound-emitting speaker according to claim 1, wherein:

the outside of basin frame is provided with first wiring board and second wiring board respectively, first wiring board with first voice coil loudspeaker voice coil electricity is connected, the second wiring board with the second voice coil loudspeaker voice coil electricity is connected.

3. A bi-directional sound-emitting speaker according to claim 1, wherein:

the first magnetizer is T-shaped iron, the T-shaped iron comprises a magnetic conduction bottom plate and a magnetic conduction column arranged on the magnetic conduction bottom plate, one end of the first magnet is connected with one end, far away from the magnetic conduction bottom plate, of the magnetic conduction column, and one end of the second magnet is connected with one end, far away from the magnetic conduction column, of the magnetic conduction bottom plate.

4. A bi-directional sound-emitting speaker according to claim 3, wherein:

the second magnetizer is U-shaped iron, one end of the magnet unit is connected with the bottom of the U-shaped iron, and the first magnetic gap is formed between the inner side wall of the magnet unit and the side wall of the magnetic conduction column; the other end of the magnet unit is connected with the magnetic conduction flat plate of the T-shaped iron, and the second magnetic gap is formed between the outer side wall of the magnet unit and the inner side wall of the U-shaped iron.

5. A bi-directional sound-emitting speaker according to claim 1, wherein:

the periphery of first voice coil loudspeaker voice coil is provided with the bullet ripples support, the one end that the bullet ripples support is close to first vibrating diaphragm is provided with first bullet ripples.

6. A bi-directional sound-emitting loudspeaker according to claim 1, wherein:

and a positioning suspension edge is arranged between the second voice coil and the basin frame, and two sides of the positioning suspension edge are respectively connected with the basin frame and the second voice coil.

7. A bi-directional sound-emitting speaker according to claim 1, wherein:

the edge of one end, close to the first voice coil, of the first vibrating diaphragm abuts against one end of the basin frame, and a first gasket is arranged at one end, far away from the first voice coil, of the first vibrating diaphragm; the edge of one end, far away from the second voice coil, of the second vibrating diaphragm is attached to the other end of the basin frame, and a second gasket is arranged on the outer side of the other end of the basin frame.

8. A bi-directional sound-emitting speaker according to claim 1, wherein:

the second magnetizer is in threaded connection with the basin frame through a plurality of screws.

9. A bi-directional sound-emitting speaker according to claim 1, wherein:

the second magnetizer is connected with the basin frame in a buckling manner.

10. An electronic device, characterized in that:

comprising a bi-directional sound emitting speaker as claimed in any one of claims 1 to 9.