CN218550173U

CN218550173U - Loudspeaker

Info

Publication number: CN218550173U
Application number: CN202222354528.1U
Authority: CN
Inventors: 安德烈
Original assignee: Yike Technology Dongguan Co ltd
Current assignee: Yike Technology Dongguan Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-02-28
Anticipated expiration: 2032-09-05
Also published as: WO2024051508A1

Abstract

The utility model discloses a loudspeaker, include: the panel is provided with a first assembling area and a second assembling area, and the first assembling area and the second assembling area are positioned on the same plane; the first assembling area is provided with a sound outlet, the vibrating diaphragm is arranged in the sound outlet, and the inner end part of the vibrating diaphragm is provided with a first connecting part; a magnet unit provided on the second mounting region, the magnet unit having a voice coil, an inner end portion of the voice coil being provided with a second connection portion; and the first connecting part and the second connecting part are respectively connected with the transmission part. During the equipment, the vibrating diaphragm is installed on the first assembly area of panel, the magnet unit is installed on the second assembly area of panel to make vibrating diaphragm and magnet unit be located the coplanar, become the package assembly on the coplanar with vibrating diaphragm and magnet unit package assembly in same axial, and then reduced the thickness of speaker.

Description

Loudspeaker

Technical Field

The utility model relates to a speaker technical field specifically is to relate to a speaker.

Background

The loudspeaker is a transducer for converting electric signal into acoustic signal, and is generally composed of three major parts, namely, a magnetic loop system (permanent magnet, core column, magnetic conductive plate), a vibration system (cone and voice coil), and a support auxiliary system (centering support plate, cone frame and cushion edge).

In the prior art, a magnetic loop system, a vibration system and a support auxiliary system are generally assembled on the same axial direction, and the following defects exist: (1) In the traditional assembly structure, the cone is fixed in front of the magnetic loop system through the cone frame, so that the thickness of the loudspeaker is difficult to improve, and the loudspeaker is large in thickness and large in volume; (2) The traditional assembly mode is single, and a single magnetic circuit system can only be used corresponding to a single vibration system, so that the application range of the loudspeaker is limited.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects and shortcomings existing in the prior art, the utility model aims to provide a loudspeaker with small thickness and wide application range.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a loudspeaker, comprising:

the panel is provided with a first assembly area and a second assembly area, and the first assembly area and the second assembly area are positioned on the same plane;

the first assembling area is provided with a sound outlet, the vibrating diaphragm is arranged in the sound outlet, and the inner end part of the vibrating diaphragm is provided with a first connecting part;

a magnet unit provided on the second mounting region, the magnet unit having a voice coil, an inner end portion of the voice coil being provided with a second connection portion; and

the first connecting portion and the second connecting portion are connected with the transmission piece respectively.

More preferably, the diaphragm is made of a lightweight material with a certain hardness, such as honeycomb cardboard, glass fiber, carbon fiber, polycarbonate, and very lightweight metal (aluminum, titanium alloy).

More preferably, the panel is made of rigid materials, such as plastics, light metal (aluminum) and wood, and has better supporting effect; more preferably, the rigid material is PVC plastic, and the PVC plastic has excellent corrosion resistance and insulation and certain mechanical strength.

More preferably, the transmission member may be made of, but not limited to, one of glass fiber, carbon fiber, plastic, wood or metal; further preferably, the transmission part is made of metal titanium, the metal titanium is high in damping resistance, and after mechanical vibration and electric vibration are applied, the self vibration attenuation time is long, so that the vibration transmission loss is reduced.

More preferably, the diaphragm may be a cone diaphragm or a flat diaphragm, wherein the shape may be, but is not limited to, circular, rectangular, oval, and the like.

Preferably, the edge of the vibrating diaphragm is provided with a folded ring, and the folded ring is matched with the sound outlet hole.

Preferably, the method further comprises the following steps:

the elastic layer covers the outer surface of the panel, and the outer end face of the vibrating diaphragm is abutted to the inner end face of the elastic layer.

More preferably, the elastic layer may be, but is not limited to, canvas, elastic film, elastic fabric, etc.; further preferably, the elastic layer is canvas, which has good air tightness and can reduce air passing through, thereby avoiding acoustic short circuit.

Preferably, the first connecting portion is disposed in the center of the diaphragm and has a first groove, the transmission member is a strip-shaped body, and a side portion of one end of the strip-shaped body is clamped in the first clamping groove.

More preferably, the first connecting portion is integrally formed on the inner end surface of the diaphragm.

Preferably, the first connecting portion is annularly arranged at the edge of the vibrating diaphragm and forms an annular groove, the transmission member is a strip-shaped body, an annular clamping strip is arranged at one end of the strip-shaped body, and the annular clamping strip is matched with the annular groove.

Preferably, the second connecting portion is a sheet-shaped body, the inner side portion of the sheet-shaped body is bonded to the voice coil, the outer side portion of the sheet-shaped body is provided with a second groove, and the strip-shaped body is clamped in the second groove at the side portion of one end far away from the first connecting portion.

Preferably, the magnet unit further includes:

a magnet having an annular magnetic gap, the voice coil being coaxially disposed in the annular magnetic gap;

the voice coil is connected with the magnet through the centering support sheet;

and the voice coil is electrically connected with a sound source through the connector.

Preferably, the number of the vibrating diaphragms is 1, the number of the magnet units is n, and n is an integer greater than or equal to 2.

Preferably, the number of the vibrating diaphragms is n, the number of the magnet units is 1, and n is an integer greater than or equal to 2.

Preferably, the number of the vibrating diaphragms is n, the number of the magnet units is n-1, and n is an integer greater than or equal to 2.

The beneficial effects of the utility model reside in that:

during the equipment, the vibrating diaphragm is installed on the first assembly area of panel, the magnet unit is installed on the second assembly area of panel to make vibrating diaphragm and magnet unit be located the coplanar, compare with prior art, become the package assembly on the coplanar with vibrating diaphragm and magnet unit package assembly in same axial, reduced the quantity that parts piled up in same axial, and then reduced the thickness of speaker.

The utility model discloses still include following advantage:

(1) Compared with the prior art, the loudspeaker support structure has the advantages that a basin frame in the support auxiliary system can be saved, so that the weight of the loudspeaker can be reduced on one hand, and the requirement on the thickness of the inner cavity of the loudspeaker box can be reduced when the loudspeaker is arranged on the loudspeaker box on the other hand, so that the effect of reducing the volume of the loudspeaker box is achieved;

(2) The package assembly of different axles can break through the restriction to the vibrating diaphragm, the mounted position of magnet unit, and the accessible increases the magnet unit on the one hand for a plurality of magnet units can act on same vibrating diaphragm simultaneously, and then has increased the power of speaker, and on the other hand accessible increases the vibrating diaphragm, makes a magnet unit of a plurality of vibrating diaphragms sharing simultaneously, and then enlarges the scope of sound dispersion, and single magnet unit greatly reduced manufacturing cost and constitution weight.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is an exploded view of embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 4 is an exploded view of embodiment 2 of the present invention;

FIG. 5 is a schematic longitudinal sectional view of embodiment 2 of the present invention;

fig. 6 is a schematic structural diagram of embodiment 3 of the present invention;

fig. 7 is a schematic structural diagram of embodiment 4 of the present invention;

fig. 8 is a schematic structural diagram of embodiment 5 of the present invention;

fig. 9 is a schematic structural diagram of embodiment 6 of the present invention;

fig. 10 is a schematic structural view of embodiment 7 of the present invention;

fig. 11 is a schematic structural diagram of embodiment 8 of the present invention.

Shown in the figure: 1-panel, 11-sound outlet;

2-vibrating diaphragm, 21-first connecting part, 22-folding ring;

3-magnet unit, 31-voice coil, 311-second connection, 32-magnet, 33-centering disk, 34-connector;

4-driving part, 41-annular clamping strip;

5-elastic layer, 51-edge wrapping;

6-rear side plate.

Detailed Description

The following embodiments of the present invention will be specifically explained with reference to the accompanying drawings, which are only used for reference and illustration, and do not limit the scope of the present invention.

Example 1

Referring to fig. 1 and fig. 2, in the present embodiment, a speaker includes:

the panel 1 is provided with a first assembling area and a second assembling area, and the first assembling area and the second assembling area are positioned on the same plane;

the first assembling area is provided with a sound outlet hole 11, the vibrating diaphragm 2 is arranged in the sound outlet hole 11, and the inner end part of the vibrating diaphragm 2 is provided with a first connecting part 21;

a magnet unit 3, wherein the magnet unit 3 is arranged on the second assembly area, the magnet unit 3 is provided with a voice coil 31, and the inner end of the voice coil 31 is provided with a second connecting part 311; and

the transmission piece 4 is connected with the first connecting portion 21 and the second connecting portion 311 respectively.

The working principle of the embodiment is as follows:

when the positive half wave of the audio signal is connected to the voice coil 31, the voice coil 31 deflects towards the inner side of the panel 1, and the driving piece 4 drives the vibrating diaphragm 2 to deflect towards the inner side of the panel 1;

when the negative half wave of the audio signal is connected to the voice coil 31, the voice coil 31 deflects to the outside of the panel 1, and the driving member 4 drives the diaphragm 2 to deflect to the outside of the panel 1.

More preferably, the diaphragm 2 is made of a lightweight material with a certain hardness, such as honeycomb cardboard, glass fiber, carbon fiber, polycarbonate, and very lightweight metal (aluminum, titanium alloy).

More preferably, the panel 1 is made of rigid material, such as plastic, light metal (aluminum), wood, with better supporting effect; more preferably, the rigid material is PVC plastic, and the PVC plastic has excellent corrosion resistance and insulation and certain mechanical strength.

More preferably, the transmission member 4 may be made of, but not limited to, one of glass fiber, carbon fiber, plastic, wood or metal; further preferably, the transmission member 4 is made of metal titanium, the metal titanium has strong damping resistance, and after mechanical vibration and electrical vibration are received, the self vibration attenuation time is longer, so that the loss of vibration transmission is reduced.

More preferably, the diaphragm 2 may be a cone diaphragm 2 or a plane diaphragm 2, wherein the shape may be, but is not limited to, circular, rectangular, oval, etc. Referring to fig. 2, in the present embodiment, the diaphragm 2 is a cone-shaped diaphragm 2, and the shape is circular.

In this embodiment, the edge of the diaphragm 2 is provided with a folded ring 22, and the folded ring 22 is adapted to the sound outlet 11. The corrugated rim 22 is adhered to the edge of the sound outlet hole 11 by glue.

In this embodiment, the first connecting portion 21 is disposed in the center of the vibrating diaphragm 2 and has a first groove, the transmission member 4 is a strip-shaped body, and one end side portion of the strip-shaped body is clamped in the first clamping groove.

More preferably, the first connecting portion 21 is integrally formed on the inner end surface of the diaphragm 2. In this embodiment, the first groove is opened at the inner end portion of the cone-shaped diaphragm 2.

Preferably, the second connection portion 311 is a sheet-shaped body, an inner side portion of the sheet-shaped body is bonded to the voice coil 31, an outer side portion of the sheet-shaped body is provided with a second groove, and a side portion of one end of the strip-shaped body, which is far away from the first connection portion 21, is clamped in the second groove. In this embodiment, the sheet-like body is bonded to the inner end portion of the voice coil 31 by glue. The preferred of this embodiment, the strip body with first recess, second recess joint back, through the stability of the further reinforced structure of dropwise add glue, avoid the transmission in-process, take place not hard up the condition.

Preferably, the magnet unit 3 further includes:

a magnet 32, the magnet 32 having an annular magnetic gap, the voice coil 31 being coaxially arranged in the annular magnetic gap;

a centering support 33, wherein the voice coil 31 is connected with the magnet 32 through the centering support 33;

and a connector 34, wherein the voice coil 31 is electrically connected with a sound source through the connector 34.

In this embodiment, the magnet 32 is externally disposed with a mounting base, and the mounting base is connected with the panel 1 through a screw.

Example 2

The present example differs from example 1 in that:

referring to fig. 3 to 5, in the present embodiment, the method further includes:

and the elastic layer 5 covers the outer surface of the panel 1, and the outer end surface of the vibrating diaphragm 2 is abutted to the inner end surface of the elastic layer 5.

More preferably, the elastic layer 5 may be, but not limited to, canvas, elastic film, elastic fabric, etc.; further preferably, the elastic layer 5 is a canvas, which has a good air tightness and allows a reduced passage of air, thus avoiding acoustic short-circuits. The panel 1 and the vibrating diaphragm 2 are covered by the elastic layer 5, and patterns can be drawn on the outer side surface of the canvas, so that the ornamental value of the product is improved.

In this embodiment, it is further preferable that the inner end surface of the elastic layer 5 is bonded to the outer end surface of the panel 1 by glue, so as to obtain good acoustic quality and avoid sound distortion;

the outer terminal surface of vibrating diaphragm 2 bonds with the inner terminal surface of elastic layer 5 through glue, theory of operation:

when the positive half wave of the audio signal is connected to the voice coil 31, the voice coil 31 deflects towards the inner side of the panel 1, and the driving piece 4 drives the vibrating diaphragm 2 to deflect towards the inner side of the panel 1, and when the vibrating diaphragm 2 deflects towards the inner side, the elastic layer 5 is driven to deflect towards the inner side along the axis of the sound outlet 11;

when the negative half-wave of audio signal is connected to voice coil 31, the outside of voice coil 31 to panel 1 takes place the skew to drive vibrating diaphragm 2 through driving medium 4 and take place the skew to the outside of panel 1, when vibrating diaphragm 2 takes place the skew to the outside, drive elastic layer 5 simultaneously and follow the outside skew of the axis of sound outlet 11.

In the embodiment, a rear side plate 6 is also provided, the longitudinal section of the panel 1 is in a [ "shape, the rear side plate 6 is connected with the rear end face of the panel 1 and forms a cavity for accommodating the magnet unit 3 and the transmission part 4, so that the appearance of the loudspeaker is changed, a wall painting type loudspeaker with small thickness and ornamental performance can be formed, and the loudspeaker can be hung on a wall as an ornament; the edge of the elastic layer 5 is provided with a covered edge 51, and the covered edge 51 is adhered to the outer peripheral wall of the panel 1, so that the fixing stability of the elastic layer 5 is further improved.

The rest of this embodiment is the same as embodiment 1, and is not repeated herein.

Example 3

The present example differs from example 1 in that:

referring to fig. 6, in the present embodiment, the diaphragm 2 is a planar diaphragm 2, and is circular in shape.

In this embodiment, the inner end portion of the planar diaphragm 2 is integrally formed with a cylindrical body, and the first groove is opened on the cylindrical body.

The rest of this embodiment is the same as embodiment 1, and will not be described herein.

Example 4

The present example differs from example 1 in that:

referring to fig. 7, preferably, the first connecting portion 21 is annularly disposed on an edge of the vibrating diaphragm 2 and forms an annular groove, the transmission member 4 is a strip-shaped body, one end of the strip-shaped body is provided with an annular clamping strip 41, and the annular clamping strip 41 is adapted to the annular groove.

In this embodiment, the diaphragm 2 is made of a transparent or translucent material, and can be used for light transmission, specifically, a light source (LED lamp bead) can be additionally disposed in the inner cavity of the sound box, so that light can be transmitted from the inner end surface of the diaphragm 2 to the outer end surface of the diaphragm 2, and the transparent or translucent material can avoid forming a shadow on the outer end surface of the diaphragm 2.

Example 5

This example differs from example 1 in that:

referring to fig. 8, preferably, there are 1 diaphragm 2, and there are n magnet units 3, where n is an integer greater than or equal to 2.

In this embodiment, the vibrating diaphragm 2 is further provided with 1, the magnet units 3 are provided with 2, the panel 1 is provided with a first assembly area and two second assembly areas, wherein the two second assembly areas are respectively located at two sides of the first assembly area, the transmission member 4 is in a shape like a Chinese character 'yi', two end side portions of the transmission member 4 are respectively connected with the second connecting portions 311 in a clamping manner, the middle portion of the transmission member 4 is connected with the first connecting portions 21 in a clamping manner, so that the two magnet units 3 can simultaneously act on the same vibrating diaphragm 2, and further the power of the loudspeaker is increased.

It should be noted that, the two voice coils 31 are connected in phase to ensure the consistency of the audio current direction flowing through the speaker, so that the vibration direction of the diaphragm 2 is kept consistent, and the energy of the air vibration is prevented from being cancelled, wherein the two voice coils may be connected in series or in parallel.

Example 6

This example differs from example 1 in that:

referring to fig. 9, preferably, n diaphragms 2 are provided, and 1 magnet unit 3 is provided, where n is an integer greater than or equal to 2.

In this embodiment, the number of the vibrating diaphragms 2 is also 2, the number of the magnet units 3 is 1, two first assembly areas and one second assembly area are arranged on the panel 1, wherein the two first assembly areas are respectively located on two sides of the second assembly area, the transmission member 4 is in a shape like a Chinese character 'yi', two end side portions of the transmission member 4 are respectively connected with the first connecting portions 21 in a clamped manner, and the middle portion of the transmission member 4 is connected with the second connecting portions 311 in a clamped manner, so that the two vibrating diaphragms 2 simultaneously share one magnet unit 3, the sound dispersion range is further expanded, and the production cost and the composition weight of the single magnet unit 3 are greatly reduced.

Example 7

This example differs from example 6 in that:

referring to fig. 10, there are 4

diaphragms

2, 1 magnet unit 3, and two first mounting areas and one second mounting area on the panel 1, where the four first mounting areas are located at four corners of the second mounting area, respectively, the driving member 4 is "cross" -shaped, an intersection point of a central line of the driving member 4 is connected to the second connection portion 311, and four corners of the driving member 4 are connected to the first connection portions 21 of the four diaphragms 2, respectively, so as to further expand a sound dispersion range.

The rest of this embodiment is the same as embodiment 6, and is not described herein.

Example 8

This example differs from example 1 in that:

referring to fig. 11, preferably, n diaphragms 2 are provided, n-1 magnet units 3 are provided, and n is an integer greater than or equal to 2.

In this embodiment, the vibrating diaphragms 2 are further provided with 3, the magnet units 3 are provided with 2, the panel 1 is provided with three first assembling areas and two second assembling areas, wherein the second assembling areas are arranged between the adjacent first assembling areas, the transmission member 4 is in a shape like a Chinese character 'yi', the transmission member 4 is provided with five connecting points, the five connecting points are respectively corresponding to the first connecting portions 21 and the second connecting portions and are connected in a clamped manner, so that the two magnet units 3 can simultaneously act on the same three vibrating diaphragms 2, and the power of the loudspeaker is further increased.

It should be noted that, the two voice coils 31 are connected in phase to ensure the consistency of the audio current direction flowing through the speaker, so that the vibration direction of the diaphragm 2 is kept consistent, and the energy of the air vibration is prevented from being offset, wherein the two voice coils may be connected in series or in parallel.

The above disclosure is only for the preferred embodiments of the present invention, and the scope of the right protection of the present invention should not be limited thereby, and the equivalent changes made in the claims of the present invention are still included in the scope of the present invention.

Claims

1. A loudspeaker, comprising:

the panel is provided with a first assembling area and a second assembling area, and the first assembling area and the second assembling area are positioned on the same plane;

the magnet unit is arranged on the second assembly area and provided with a voice coil, and a second connecting part is arranged at the inner end part of the voice coil; and

2. A loudspeaker according to claim 1, wherein the edge of the diaphragm is provided with a corrugated rim, and the corrugated rim is adapted to the sound outlet hole.

3. The loudspeaker of claim 1, further comprising:

4. The loudspeaker of claim 1, wherein the first connecting portion is disposed at the center of the diaphragm and has a first groove, the transmission member is a bar, and a side portion of one end of the bar is engaged with the first groove.

5. The loudspeaker according to claim 1, wherein the first connecting portion is annularly disposed on an edge of the diaphragm and forms an annular groove, the transmission member is a strip-shaped body, one end of the strip-shaped body is provided with an annular clamping strip, and the annular clamping strip is adapted to the annular groove.

6. The loudspeaker according to any one of claims 4 or 5, wherein the second connecting portion is a plate-shaped body, an inner side portion of the plate-shaped body is bonded to the voice coil, an outer side portion of the plate-shaped body is provided with a second groove, and the strip-shaped body is clamped in the second groove at one end side portion far away from the first connecting portion.

7. A loudspeaker according to claim 1, wherein the magnet unit further comprises:

the voice coil is connected with the magnet through the centering disk;

8. A loudspeaker according to claim 1, wherein there are 1 diaphragms, and n magnet units, where n is an integer greater than or equal to 2.

9. A loudspeaker according to claim 1, wherein n diaphragms are provided, and 1 magnet unit is provided, where n is an integer greater than or equal to 2.

10. A loudspeaker according to claim 1, wherein n diaphragms are provided, n-1 magnet units are provided, and n is an integer greater than or equal to 2.