High-strength supporting loudspeaker

Abstract

The utility model discloses a high-strength support loudspeaker, which comprises a support part and at least two sound production parts arranged in the support part, the supporting part comprises a magnetic cover, a supporting polar plate, a bracket and a vibrating diaphragm, the bracket is wound on the outer side of the magnetic cover and erected above the supporting polar plate, and the vibrating diaphragm is arranged above the bracket; the sound production part comprises a magnetic group and a voice coil, the magnetic group is arranged between the magnetic cover and the supporting polar plate, and the voice coil is wound in the magnetic group and connected with the vibrating diaphragm. According to the utility model, through the structure of the support pole plate, an original large-span support system is changed into two or more small-span systems, the overall strength of the loudspeaker is improved, and a series of problems caused by support deformation during assembly or later use are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, in particular to a high-strength supporting loudspeaker. Background Art

[0002] The supporting system of traditional speakers is generally made of plastic. In the case of multi-magnetic speakers, the pole pieces are injection-molded with plastic. When designing and producing larger speakers, the bracket may not be strong enough, causing the bracket to deform and twist, resulting in noise and silence after speaker assembly or testing. For example, during assembly, the inner and outer magnetic steels have great mutual attraction. During assembly, the traditional bracket will be attracted inward by the magnetic force of the middle magnetic steel and deformed, causing the external magnetic gap (the distance from the outside of the voice coil to the inside of the outer magnetic steel) to be attracted to be smaller than the design value, causing the voice coil to touch other parts when vibrating, resulting in noise, and disconnection and silence after long-term operation. There are shortcomings. Utility Model Content

[0003] The utility model aims to avoid the deficiencies in the prior art and provides a loudspeaker with high-strength supporting effect.

[0004] The utility model solves the technical problem by adopting the following technical solution: a high-strength support speaker, which includes a support part and at least two sound-generating parts arranged in the support part;

[0005] The support part includes a magnetic cover, a supporting pole plate, a bracket and a diaphragm, wherein the bracket is wound around the outside of the magnetic cover and mounted above the supporting pole plate, and the diaphragm is arranged above the bracket;

[0006] The sound-generating part comprises a magnetic group and a voice coil. The magnetic group is arranged between the magnetic cover and the supporting pole plate. The voice coil is wound inside the magnetic group and connected to the diaphragm.

[0007] In several embodiments, the magnet group includes a central magnet, an outer magnet and a central pole piece, a plurality of the outer magnets are arranged around the central magnet, the central pole piece is arranged at the upper end of the central magnet, and the supporting pole plate is arranged at the upper end of the outer magnet.

[0008] In several implementations, there is one and only one external magnet between two adjacent sound-emitting parts.

[0009] In several implementations, the voice coil is disposed between the central magnet and the external magnet, and an FPC board is disposed at the upper end of the voice coil.

[0010] In several embodiments, the supporting pole plate includes an outer plate body that is surrounded in a ring shape, a central plate body is disposed in the outer plate body, and the outer plate body and the central plate body are both disposed at the upper end of the outer magnet.

[0011] In several embodiments, a first groove is disposed on both sides of a connection between the outer plate body and the central plate body, and a second groove is disposed on both sides of a connection between the central plate body and the outer plate body.

[0012] In several embodiments, a dome membrane is disposed on the upper end of the diaphragm.

[0013] The beneficial effects of the utility model are:

[0014] The utility model transforms the original large-span support system into two or more small-span systems through the structure of the supporting plate, thereby improving the overall strength of the loudspeaker and preventing a series of problems caused by deformation of the bracket during assembly or later use.

[0015] The utility model reduces the resonance frequency of the loudspeaker through a multi-voice coil structure, thereby improving the performance of the loudspeaker.

[0016] The utility model forms a high-strength skeleton structure by combining the supporting pole plate, the bracket and the magnetic group structure, thereby improving the structural strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are for illustrative purposes only of selected embodiments and do not represent all possible implementations, and should not be considered to limit the scope of the present invention.

[0018] Figure 1 The overall structure of the high-strength support speaker in Example 1 is schematically shown;

[0019] Figure 2 Schematically shows Figure 1 A partial amplification structure, wherein the diaphragm is not included;

[0020] Figure 3 Schematically shows Figure 1 A structure in a state of separation;

[0021] Figure 4 Schematically shows Figure 3 The enlarged structure of the middle support plate. DETAILED DESCRIPTION

[0022] Below, embodiments of the present invention are described in detail with reference to the accompanying drawings. To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in conjunction with the accompanying drawings is not intended to limit the scope of the present invention for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present invention.

[0024] Example 1

[0025] like Figure 1-Figure 4 As shown, the high-strength support speaker provided in this embodiment includes a support portion and at least two sound-generating portions arranged in the support portion, thereby forming a large-sized speaker structure with dual voice coils.

[0026] Specifically, the support part includes a magnetic cover 10, a support pole plate 20, a bracket 30 and a diaphragm 40. The bracket 30 is wound around the outside of the magnetic cover 10 and mounted above the support pole plate 20. The diaphragm 40 is arranged above the bracket 30. A spherical top membrane 41 is arranged on the upper end of the diaphragm 40.

[0027] The sound-generating part includes a magnetic group 50 and a voice coil 60 . The magnetic group 50 is disposed between the magnetic cover 10 and the supporting pole plate 20 . The voice coil 60 is wound inside the magnetic group 50 and connected to the diaphragm 40 .

[0028] Among them, the magnetic group 50 includes a central magnet (not shown in the figure), an external magnet 51 and a central pole piece 52. A plurality of the external magnets 51 are arranged around the central magnet. There is only one external magnet 51 between two adjacent sound-emitting parts, that is, the two sound-emitting parts share one external magnet 51. The central pole piece 52 is arranged at the upper end of the central magnet, and the supporting pole plate 20 is arranged at the upper end of the external magnet 51. The supporting pole plate 20 is used here as a support and a pole piece, covering the external magnet 51 to form a complete magnetic circuit structure.

[0029] The voice coil 60 is arranged between the central magnet and the external magnet 51, and an FPC board 61 is arranged on the upper end of the voice coil 60. The voice coil is connected by the flexible FPC board, and there is no need to worry about the short line problem of the voice coil line, thereby improving reliability.

[0030] In addition, the supporting pole plate 20 includes an outer plate body 21 that is surrounded in a ring shape, and a central plate body 22 is arranged inside the outer plate body 21. The position of the central plate body 22 corresponds to the position of the shared external magnet 51 located in the middle. The outer plate body 21 and the central plate body 22 are both arranged at the upper end of the external magnet 51. A first groove 201 is arranged on both sides of the connection between the outer plate body 21 and the central plate body 22, and a second groove 202 is arranged on both sides of the connection between the central plate body 22 and the outer plate body 21, providing a larger internal space.

[0031] All the methods described herein can be performed in any suitable order. Any and all examples used, or exemplary language provided herein (such as "for example") are merely to better illustrate the present invention, and are not intended to limit the scope of the present invention, unless the claims are included. The language in the detailed description should not be understood as indicating any essential factors for practicing the present invention that are not claimed.

[0032] The present invention describes preferred embodiments, including the best way to carry out the present invention known to the inventor. Of course, variations of these preferred embodiments will be apparent to those skilled in the art. The inventors anticipate that skilled artisans may use such variations as appropriate, and the inventors point out that the present invention may be implemented in other ways than those specifically described herein. Therefore, the present invention includes all improvements included in the spirit and scope of the present invention as defined by the claims. Moreover, unless otherwise stated or clearly contradictory in content, the present invention includes any of the above factors and all possible variations thereof.

Claims

1. A high-strength support speaker, characterized in that: It includes a supporting part and at least two sound-generating parts arranged in the supporting part; The support portion comprises a magnetic cover (10), a support pole plate (20), a bracket (30) and a diaphragm (40); the bracket (30) is wound around the outside of the magnetic cover (10) and mounted above the support pole plate (20); and the diaphragm (40) is arranged above the bracket (30); The sound-generating part comprises a magnetic group (50) and a voice coil (60); the magnetic group (50) is arranged between a magnetic cover (10) and a supporting pole plate (20); and the voice coil (60) is wound inside the magnetic group (50) and connected to a diaphragm (40).

2. A high-strength support speaker according to claim 1, characterized in that: The magnetic group (50) comprises a central magnet, an outer magnet (51) and a central pole piece (52); a plurality of the outer magnets (51) are arranged around the central magnet; the central pole piece (52) is arranged at the upper end of the central magnet; and the supporting pole plate (20) is arranged at the upper end of the outer magnet (51).

3. A high-strength support speaker according to claim 2, characterized in that: There is only one external magnet (51) between two adjacent sound-generating parts.

4. A high-strength support speaker according to claim 2, characterized in that: The voice coil (60) is arranged between the central magnet and the external magnet (51), and an FPC board (61) is arranged at the upper end of the voice coil (60).

5. The high-strength support speaker according to claim 2, characterized in that: The supporting pole plate (20) comprises an outer plate body (21) which is surrounded in a ring shape, a central plate body (22) is arranged inside the outer plate body (21), and the outer plate body (21) and the central plate body (22) are both arranged at the upper end of the external magnet (51).

6. A high-strength support speaker according to claim 5, characterized in that: A first groove (201) is provided on both sides of the connection between the outer plate body (21) and the central plate body (22), and a second groove (202) is provided on both sides of the connection between the central plate body (22) and the outer plate body (21).

7. The high-strength support speaker according to claim 1, characterized in that: A spherical top membrane (41) is arranged at the upper end of the diaphragm (40).

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