High-performance loudspeaker and electronic equipment

By setting up a connected accommodating space and a passive radiator within the speaker magnet assembly, the problem of limited space is solved, resulting in a lower resonant frequency and a larger sound radiation area, thus improving the speaker's sound performance.

CN223809905UActive Publication Date: 2026-01-16JIAXING KEYSOUND ELECTRONICS CO LTD
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Patent Information

Application Number
CN202520194987.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-16
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Existing loudspeakers are limited by space constraints, which prevent the rear cavity volume from being expanded, making it difficult to improve sound performance. The traditional structure is nearing its limit.

Method used

Design a high-performance loudspeaker that employs a passive radiator with an internal space connected to the outside of the magnetic assembly. The radiator includes a passive radiating mass block and a diaphragm. By setting openings and gaskets on the magnetic cover, pole pieces, and magnets, a connected space is formed, thereby increasing the sound radiation area.

Benefits of technology

Lowering the speaker's resonant frequency improves low-frequency response and sound radiation area, resulting in better sound quality.

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Abstract

The utility model discloses a high-performance loudspeaker, which relates to the technical field of loudspeakers, comprises a loudspeaker box, and a voice coil, a magnetic group and a membrane group which are arranged in the loudspeaker box, and is characterized in that an accommodating space is arranged in the magnetic group, the accommodating space is communicated with the external space of the loudspeaker box, a passive radiator is arranged in the accommodating space, and the membrane group is communicated with the passive radiator. The passive radiator comprises a passive radiation mass block and a passive radiation vibrating diaphragm arranged on the periphery of the passive radiation mass block, and the passive radiation vibrating diaphragm is connected with the magnetic group. According to the utility model, through the structure of the magnetic circuit and the passive radiator, the performance of the loudspeaker is improved, and under the condition of the same rear cavity space, the loudspeaker has lower resonant frequency, better low-frequency response and larger sound radiation area, and can provide more loud sound.
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Description

Technical Field

[0001] This utility model relates to the field of loudspeaker technology, specifically to a high-performance loudspeaker and electronic device. Background Technology

[0002] In recent years, electronic products have placed increasingly higher demands on speaker performance. Existing electronic devices such as mobile phones and tablets have very limited internal space, which cannot provide too much space for speakers. This results in limited speaker body size and limited rear cavity volume, making it difficult to improve speaker sound effects and other performance characteristics. The traditional speaker structure has reached its performance limit and needs to be improved. Utility Model Content

[0003] This invention aims to overcome the shortcomings of existing technologies by providing a high-performance speaker and corresponding electronic equipment.

[0004] The present invention solves the technical problem by adopting the following technical solution: a high-performance loudspeaker, comprising a loudspeaker enclosure, a voice coil, a magnetic assembly, and a diaphragm assembly disposed within the loudspeaker enclosure, characterized in that the magnetic assembly is provided with an accommodating space, the accommodating space being connected to the external space of the loudspeaker enclosure, and a passive radiator disposed within the accommodating space, the passive radiator comprising a passive radiating mass block and a passive radiating diaphragm disposed around the passive radiating mass block, the passive radiating diaphragm being connected to the magnetic assembly.

[0005] In several embodiments, the magnetic assembly includes a magnetic cover, a magnet, and a pole piece stacked together. The magnetic cover has a first groove with at least one first opening. The pole piece has a second groove with at least one second opening. The magnet has at least one third opening. The first opening, the second opening, and the third opening are connected.

[0006] In several embodiments, the first groove is provided with a first opening, and the second groove is provided with a second opening.

[0007] In several embodiments, the first groove is provided with a plurality of first openings, and the second groove is provided with a plurality of second openings.

[0008] In several embodiments, a first gasket is provided on the first groove, the first gasket covers the first opening, and the first gasket is provided with a plurality of holes; a second gasket is provided on the second groove, the second gasket covers the second opening, and the second gasket is provided with a plurality of holes.

[0009] In several embodiments, the edge of the passive radiating diaphragm is inserted between the magnet and the electrode.

[0010] In several embodiments, the edge portion of the passive radiation diaphragm is connected to an end surface of the magnetic steel, the pole piece, or the magnetic cover.

[0011] Also, an electronic device including the loudspeaker described above, the loudspeaker being connected to an internal space of the electronic device or to an external space of the electronic device.

[0012] The utility model has the advantages that:

[0013] The utility model can reduce the resonance frequency of the loudspeaker and improve the sound radiation area of the loudspeaker.

[0014] The utility model discloses a magnetic circuit and the structure of the passive radiator, improves the performance of the loudspeaker, has lower resonance frequency, better low frequency response and larger sound radiation area under the condition of the same rear cavity space, and can provide louder sound. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings described herein are only for the purpose of illustrating selected embodiments and are not intended to represent all possible implementations, and should not be considered as limiting the scope of the utility model.

[0016] Figure 1 The overall structure of the high-performance loudspeaker in embodiment 1 is schematically shown;

[0017] Figure 2 The explosion structure of Figure 1 is schematically shown;

[0018] Figure 3 The structure of the magnetic cover in embodiment 1 is schematically shown;

[0019] Figure 4 The structure of the magnetic cover in embodiment 2 is schematically shown;

[0020] Figure 5 The structure of the magnetic cover in embodiment 3 is schematically shown;

[0021] Figure 6 The structure of the pole piece in embodiment 1 is schematically shown;

[0022] Figure 7 The structure of the pole piece in embodiment 2 is schematically shown;

[0023] Figure 8 The structure of the pole piece in embodiment 3 is schematically shown;

[0024] Figure 9 The structure of the high-performance loudspeaker in embodiment 4 is schematically shown;

[0025] Figure 10The structure of the high-performance speaker in Embodiment 5 is illustrated schematically;

[0026] Figure 11 The structure of the high-performance speaker in Embodiment 6 is illustrated schematically;

[0027] Figure 12 The structure of the speaker combined with the electronic device in Embodiment 7 is illustrated schematically;

[0028] Figure 13 The structure of the speaker combined with the electronic device in Embodiment 8 is illustrated schematically. Detailed Implementation

[0029] The embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of the present utility model, but not all embodiments.

[0030] 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 claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0031] Example 1

[0032] like Figures 1-11 As shown, the high-performance loudspeaker provided in this embodiment includes a loudspeaker enclosure 10, a voice coil 20, a magnetic assembly 40, and a diaphragm assembly 30 disposed within the loudspeaker enclosure 10. The magnetic assembly 40 has an accommodating space that communicates with the external space of the loudspeaker enclosure 10. A passive radiator 50 is disposed within the accommodating space. The passive radiator 50 includes a passive radiating mass block 51 and a passive radiating diaphragm 52 disposed around the passive radiating mass block 51. The passive radiating diaphragm 52 is connected to the magnetic assembly 40.

[0033] The magnetic group 40 comprises a magnetic cover 41, a magnetic steel 42 and a pole piece 43 arranged in a stack, the magnetic cover 41 is provided with a first recess 411, the first recess 411 is provided with at least one first opening 412, the pole piece 43 is provided with a second recess 431, the second recess 431 is provided with at least one second opening 432, the magnetic steel 42 is provided with at least one third opening 421, the first opening 412, the second opening 432 and the third opening 421 are communicated, and correspond to the positions of the passive radiator.

[0034] Specifically, as shown in Figure 3 、 Figure 6 , the first recess 411 of the magnetic cover 41 is provided with one first opening 412, and the second recess 431 of the pole piece 43 is provided with one second opening 432, wherein the first opening 412 and the second opening 432 are large-diameter opening structures, which are slightly smaller than the corresponding first recess 411 and second recess 431.

[0035] Embodiment 2

[0036] In this embodiment, as shown in Figure 4 、 Figure 7 , the first recess 411 is provided with a plurality of first openings 412, and the second recess 431 is provided with a plurality of second openings 432, wherein the first openings 412 and the second openings 432 are small-diameter opening structures, which are densely distributed on the corresponding first recess 411 and second recess 431.

[0037] Embodiment 3

[0038] In this embodiment, it is realized on the basis of embodiment 1, as shown in Figure 5 、 Figure 8 , the first recess 411 is provided with a plurality of first spacers 413, the first spacers 413 cover the large-diameter first openings 412, and the first spacers 413 are densely provided with a plurality of hole bodies one 414; the second recess 431 is provided with a plurality of second spacers 433, the second spacers 433 cover the large-diameter second openings 432, and the second spacers 433 are densely provided with a plurality of hole bodies two 434.

[0039] Embodiment 4

[0040] In this embodiment, as shown in Figure 9 , the edge of the passive radiating diaphragm 52 is inserted and fixedly connected between the magnetic steel 42 and the pole piece 43.

[0041] Embodiment 5

[0042] In this embodiment, asFigure 10 As shown, the edge of the passive radiation diaphragm 52 is connected and fixed with the side end face of the magnetic steel 42 and the pole piece 43, which can be connected and fixed by means of gluing or the like.

[0043] Embodiment 6

[0044] In this embodiment, as shown, the passive radiator 50 is connected and fixed with the inner wall of the electronic device 100, and the magnetic cover 41 is connected and fixed with the inner wall of the electronic device 100. Figure 11 As shown, the edge of the passive radiation diaphragm 52 is bent downward to the position of the lower end face of the magnetic cover 41 and is connected and fixed by means of gluing or the like.

[0045] Embodiment 7

[0046] In this embodiment, as shown, the loudspeaker is arranged in the electronic device 100, and the passive radiator 50 is connected and fixed with the inner wall of the electronic device 100. Figure 12 As shown, the loudspeaker is arranged in the electronic device 100, and the passive radiator 50 is connected and fixed with the inner wall of the electronic device 100.

[0047] Embodiment 8

[0048] In this embodiment, as shown, the loudspeaker is arranged in the electronic device 100, and the passive radiator 50 is connected and fixed with the inner wall of the electronic device 100. Figure 13 As shown, the loudspeaker is arranged in the electronic device 100, and the passive radiator 50 is connected and fixed with the inner wall of the electronic device 100.

[0049] All of the statements herein can be performed in any suitable order. Any and all examples, or exemplary language provided herein, are intended merely to better illuminate the present application and do not pose a limitation as to the scope of the application unless otherwise claimed. No language in the specification should be construed as indicating any non-claimed element as essential to the practice of the present application.

[0050] The present application describes preferred embodiments, including the best mode known to the present inventor of carrying out the present application. Of course, changes in the preferred embodiments will be obvious to one of ordinary skill in the art, and those changes are intended to be within the scope of the present application. The present inventor expects that one of ordinary skill in the art could readily use the principles and disclosure of the present application to modify or adapt other processes and materials to produce other articles and methods of operation. Accordingly, the present application includes all modifications and equivalents of the subject matter specified in claims directed to the principles and concepts described herein. Moreover, unless otherwise noted, the present application includes any and all embodiments of the following claims.

Claims

1. A high performance loudspeaker comprising a loudspeaker enclosure (10), a voice coil (20) disposed within the loudspeaker enclosure (10), a magnetic assembly (40) and a membrane assembly (30), characterized in that, The magnetic group (40) is provided with a containing space which communicates with the external space of the speaker box (10), and the containing space is provided with a passive radiator (50) which comprises a passive radiation mass block (51) and a passive radiation diaphragm (52) provided around the passive radiation mass block (51), and the passive radiation diaphragm (52) is connected with the magnetic group (40).

2. A high performance loudspeaker according to claim 1, characterized in that The magnetic group (40) comprises a magnetic cover (41), a magnetic steel (42) and a pole piece (43) which are stacked, the magnetic cover (41) is provided with a first groove (411), the first groove (411) is provided with at least one first opening (412), the pole piece (43) is provided with a second groove (431), the second groove (431) is provided with at least one second opening (432), and the magnetic steel (42) is provided with at least one third opening (421), and the first opening (412), the second opening (432) and the third opening (421) are communicated.

3. A high performance loudspeaker according to claim 2, wherein The first groove (411) is provided with one first opening (412), and the second groove (431) is provided with one second opening (432).

4. A high performance loudspeaker according to claim 2, wherein The first groove (411) is provided with a plurality of first openings (412), and the second groove (431) is provided with a plurality of second openings (432).

5. A high performance loudspeaker according to claim 3, wherein The first groove (411) is provided with a first gasket (413) which covers the first opening (412), and the first gasket (413) is provided with a plurality of hole bodies one (414); the second groove (431) is provided with a second gasket (433) which covers the second opening (432), and the second gasket (433) is provided with a plurality of hole bodies two (434).

6. A high performance loudspeaker according to claim 2, wherein The edge of the passive radiation diaphragm (52) is inserted between the magnetic steel (42) and the pole piece (43).

7. A high performance loudspeaker according to claim 2, wherein The edge of the passive radiation diaphragm (52) is connected with the end face of the magnetic steel (42), the pole piece (43) or the magnetic cover (41).

8. An electronic device, comprising: The high-performance speaker comprises the high-performance speaker as claimed in any one of claims 1-7.

9. The electronic device of claim 8, wherein, The speaker communicates with the internal space of the electronic device or with the external space of the electronic device.