CN219019017U - Speaker and electronic equipment - Google Patents

Abstract

The utility model belongs to the technical field of electroacoustic conversion, and particularly relates to a loudspeaker and electronic equipment, wherein the loudspeaker comprises a shell, a high-pitched unit and a low-pitched unit, wherein a containing cavity is formed in the shell, and a first sound hole and a second sound hole which are communicated with the containing cavity are also formed in the shell; the high-pitch unit and the low-pitch unit are arranged in the accommodating cavity in a mode that vibrating parts are opposite, wherein the vibrating parts of the high-pitch unit are communicated with the first sound holes, the vibrating parts of the low-pitch unit are communicated with the second sound holes, and the first sound holes and the second sound holes are side sound outlets deviating from the vibrating direction of the vibrating parts. Through above-mentioned structure for the speaker can satisfy the demand of low frequency, intermediate frequency and high frequency tone quality simultaneously, and then provides better tone quality experience for the user.

Description

Speaker and electronic equipment

Technical Field

The utility model belongs to the technical field of electroacoustic conversion, and particularly relates to a loudspeaker and electronic equipment.

Background

With the rapid development of intelligent wearable electronic products, particularly TWS headphones, the demands of end consumers on equipment use experience are becoming higher and higher, wherein, in addition to the demand for medium and low tone quality, the demand for high tone quality experience is also gradually increasing. However, in the conventional earphone design scheme, the performance improvement of the high-frequency part can be generally realized by only one bass unit, but because the requirements for guaranteeing the performance of low frequency and medium frequency conflict with the requirements for improving the performance of high frequency, in the improved design, the treble unit is added to realize the sounding of the two units of high frequency and low frequency, but the problem of lower medium frequency performance still exists in the improved design.

Disclosure of Invention

The utility model aims to provide a loudspeaker and electronic equipment, which are used for solving the problem of lower medium-frequency performance in traditional devices in the prior art.

The first aspect of the utility model provides a loudspeaker, which comprises a shell, a high-pitched unit and a low-pitched unit, wherein a containing cavity is formed in the shell, and a first sound hole and a second sound hole which are communicated with the containing cavity are also formed in the shell; the high-pitch unit and the low-pitch unit are arranged in the accommodating cavity in a mode that vibrating parts are opposite, wherein the vibrating parts of the high-pitch unit are communicated with the first sound holes, the vibrating parts of the low-pitch unit are communicated with the second sound holes, and the first sound holes and the second sound holes are side sound outlets deviating from the vibrating direction of the vibrating parts.

The loudspeaker provided by the utility model can also have the following additional technical characteristics:

in one embodiment of the present utility model, the first vibration part of the high-pitched unit includes a first diaphragm, and a front coil and a back coil attached to the upper surface and the lower surface of the first diaphragm, respectively.

In one specific embodiment of the utility model, the front coil and the back coil are etched by annular copper layers arranged on the upper surface and the lower surface of the first vibrating diaphragm.

In a specific embodiment of the present utility model, the high-pitched unit further includes a first magnet assembly, where the first magnet assembly includes a first ring magnet and a second ring magnet that are separately disposed at two sides of the first diaphragm, and the first ring magnet and the second ring magnet are radially magnetized in the same direction and parallel to the first diaphragm.

In one specific embodiment of the present utility model, the housing includes a ring-shaped middle housing, and an upper housing and a lower housing respectively connected to both sides of the middle housing to form a receiving cavity, the first sound hole is formed on a side surface of the lower housing, and the second sound hole is formed on a side surface of the upper housing.

In one embodiment of the present utility model, the first magnet assembly further includes a first annular yoke sleeved on the outer side of the first annular magnet; the lower shell forms a multistage step surface from the center to the periphery, and the second ring magnet, the first vibrating diaphragm and the first magnetic yoke are distributed at intervals along the multistage step surface.

In one specific embodiment of the utility model, the bass unit comprises a second magnet assembly and a second vibration part, wherein the second magnet assembly comprises a center magnet and a side magnet sleeved outside the center magnet, the second vibration part comprises a second vibrating diaphragm, a voice coil and a dome which are connected, and the voice coil is inserted into a magnetic gap formed by the center magnet and the side magnet.

In one embodiment of the utility model, the second magnet assembly is attached to the first yoke or the lower case.

In one embodiment of the present utility model, the first sound hole and the second sound hole are oriented in the same direction and are perpendicular to the vibration direction of the vibration portion.

The second aspect of the utility model also provides an electronic device comprising a loudspeaker as described in any one of the preceding claims.

Compared with the prior art, the utility model has the following advantages:

according to the loudspeaker provided by the utility model, the high-pitch unit and the low-pitch unit are arranged in the accommodating cavity of the shell in a mode that the vibrating parts are opposite to each other so as to meet the requirements of low-pitch and high-pitch of the loudspeaker, and meanwhile, the first sound hole and the second sound hole which are communicated with the vibrating parts of the high-pitch unit and the low-pitch unit in the shell are arranged to be the side sound outlet holes deviating from the vibrating direction of the vibrating parts so as to improve the medium-frequency performance of the loudspeaker, so that the loudspeaker can meet the requirements of low-frequency, medium-frequency and high-frequency sound quality at the same time, and better sound quality experience is provided for users.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a cross-sectional view of a speaker according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a speaker according to an embodiment of the present utility model;

fig. 3 is a schematic view of a speaker according to another embodiment of the present utility model.

Reference numerals illustrate:

10-a shell, 11-an upper shell, 12-a middle shell, 13-a lower shell, 14-a first sound hole and 15-a second sound hole;

20-high pitch unit, 21-first vibrating diaphragm, 22-front coil, 23-back coil, 24-first ring magnet, 25-second ring magnet, 26-first magnetic yoke;

30-bass unit, 31-central magnet, 32-outer ring magnet, 33-voice coil, 34-second vibrating diaphragm, 35-dome, 36-second yoke.

Detailed Description

Exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

As shown in fig. 1-3, the speaker provided by the utility model comprises a shell 10, a high-pitched sound unit 20 and a low-pitched sound unit 30, wherein a containing cavity is formed in the shell 10, and a first sound hole 14 and a second sound hole 15 which are communicated with the containing cavity are further formed in the shell 10; the high-pitched sound unit 20 and the low-pitched sound unit 30 are disposed in the accommodating cavity with the vibrating portions thereof facing away from each other, wherein the vibrating portion of the high-pitched sound unit 20 communicates with the first sound hole 14, the vibrating portion of the low-pitched sound unit 30 communicates with the second sound hole 15, and the first sound hole 14 and the second sound hole 15 are side sound outlets offset from the vibrating direction of the vibrating portion.

In the above-mentioned speaker, the high-frequency performance requirement is satisfied by the high-frequency unit 20, and the low-frequency performance requirement is satisfied by the low-frequency unit 30, further, the receiving cavity is provided by the high-frequency unit 20 and the low-frequency unit 30 in a mode that the vibrating portions are opposite, and meanwhile, the first sound hole 14 and the second sound hole 15 which are communicated with the vibrating portions of the high-frequency unit 20 and the low-frequency unit 30 in the housing 10 are set to be side sound holes deviating from the vibrating direction of the vibrating portions, so that the medium-frequency performance of the speaker is improved, and further, the speaker can simultaneously satisfy the requirements of low-frequency, medium-frequency and high-frequency sound quality, and better sound quality experience is provided for users.

In one embodiment of the present utility model, the first vibration part of the tweeter unit 20 includes a first diaphragm 21, and a front coil 22 and a back coil 23 attached to the upper surface and the lower surface of the first diaphragm 21, respectively. Namely, the high-frequency sound quality of the high-pitched unit 20 of the present utility model is realized by the planar coil driving manner, and the high-pitched unit 20 also has the advantages of light weight of the diaphragm, extremely light weight of the vibration, and excellent transient and high-frequency characteristics by the above-mentioned structure.

In one embodiment of the present utility model, the front coil 22 and the back coil 23 are etched by using annular copper layers provided on the upper surface and the lower surface of the first diaphragm 21. The annular copper layer is fixed to the upper and lower surfaces of the first diaphragm 21 by brushing or pasting, and then the annular coating is processed by etching to form the obverse coil 22 and the reverse coil 23. The front coil 22 and the back coil 23 are formed by adopting a coating etching method, so that the problem of unstable adhesion between the coils and the vibrating diaphragm can be avoided, and the space can be saved.

In the above structure, the front and back are used for distinction only, and the front and aspects of the speaker are not defined.

In another embodiment, the first vibration part is a piezoelectric ceramic vibration film, so that occupied space can be effectively reduced, and space utilization rate is improved.

In one embodiment of the present utility model, the tweeter unit 20 further includes a first magnet assembly, the first magnet assembly includes a first ring magnet 24 and a second ring magnet 25 disposed on two sides of the first diaphragm 21, and the first ring magnet 24 and the second ring magnet 25 are radially magnetized in the same direction and parallel to the first diaphragm 21. Further, the central axes of the first ring magnet 24 and the second ring magnet 25 coincide with the central axes of the front coil 22 and the back coil 23, so that the front coil 22 and the back coil 23 are positioned exactly in the magnetic field formed by the first ring magnet 24 and the second ring magnet 25.

In one embodiment of the present utility model, the housing 10 includes a ring-shaped middle case 12, an upper case 11 and a lower case 13 respectively connected to both sides of the middle case 12 to form a receiving chamber, the first sound hole 14 is provided at a side surface of the lower case 13, and the second sound hole 15 is provided at a side surface of the upper case 11. The first sound hole 14 and the second sound hole 15 are arranged on the side surface, so that the bass part and the treble part adopt side sound emitting modes, the loudspeaker can be allowed to have lower natural frequency and conventional radiation area, and meanwhile, the medium frequency performance can be greatly improved, and further, the requirement on sound definition is met.

In one embodiment of the present utility model, the first magnet assembly further includes a first annular yoke 26, and the first yoke 26 is sleeved on the outer side of the first annular magnet 24; the lower case 13 forms a stepped surface from the center to the outer circumference, and the second ring magnet 25, the first diaphragm 21, and the first yoke 26 are arranged at intervals along the stepped surface. The first yoke 26 is provided for magnetic conduction on the one hand and for connecting the lower case 13 and the first ring magnet 24 on the other hand, thereby reducing the volume of the first ring magnet 24 so that the first ring magnet 24 corresponds only to the position of the coil.

In one embodiment of the present utility model, the bass unit 30 includes a second magnet assembly including a center magnet 31 and a side magnet 32 sleeved outside the center magnet 31, and a second vibration part including a second diaphragm 34, a voice coil 33 and a dome 35 connected, wherein the voice coil 33 is inserted into a magnetic gap formed between the center magnet 31 and the side magnet 32. The bass unit 30 is used to meet the sound production requirements of medium and low frequencies.

In particular, the second magnet assembly is connected to the first yoke and/or the lower case; the edge of the second diaphragm 34 is sandwiched between the middle case 12 and the upper case 11.

Preferably, a second magnetic yoke 36 is further disposed on a side of the central magnet 31 facing the second diaphragm 34, and the second magnetic yoke 36 is used for magnetic conduction. Further, in order to avoid the dome 35, an avoidance groove is further formed on the second yoke 36.

In one embodiment of the present utility model, the first sound hole 14 and the second sound hole 15 are oriented in the same direction and are perpendicular to the vibration direction of the vibration part.

The second aspect of the present utility model also provides an electronic device, which may be an earphone, but may also be, but is not limited to, a mobile phone, a tablet computer, an intercom, a game console, a radio, a wearable device, etc.

The electronic equipment comprises the loudspeaker of any one of the above, so that the low-frequency, medium-frequency and high-frequency tone quality can be simultaneously output, and better user experience can be provided.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The loudspeaker is characterized by comprising a shell, a high-pitched unit and a low-pitched unit, wherein a containing cavity is formed in the shell, and a first sound hole and a second sound hole which are communicated with the containing cavity are also formed in the shell; the high-pitch unit and the low-pitch unit are arranged in the accommodating cavity in a mode that vibrating parts are opposite, wherein a first vibrating part of the high-pitch unit is communicated with the first sound hole, a second vibrating part of the low-pitch unit is communicated with the second sound hole, and the first sound hole and the second sound hole are side sound outlets deviating from the vibrating direction of the vibrating part.

2. The speaker of claim 1, wherein the first vibration part of the tweeter unit includes a first diaphragm and a front coil and a back coil attached to an upper surface and a lower surface of the first diaphragm, respectively.

3. The loudspeaker of claim 2, wherein the front coil and the back coil are etched from annular copper layers provided on the upper and lower surfaces of the first diaphragm.

4. The loudspeaker of claim 2, wherein the tweeter unit further comprises a first magnet assembly comprising a first ring magnet and a second ring magnet disposed on opposite sides of the first diaphragm, wherein the first ring magnet and the second ring magnet are radially magnetized in the same direction and parallel to the first diaphragm.

5. The loudspeaker of claim 4, wherein the housing comprises a ring-shaped middle housing, and an upper housing and a lower housing respectively connected to both sides of the middle housing to form the receiving chamber, the first sound hole is provided at a side of the lower housing, and the second sound hole is provided at a side of the upper housing.

6. The loudspeaker of claim 5, wherein the first magnet assembly further comprises a first annular yoke that is sleeved outside of the first annular magnet; the lower shell forms a multistage step surface from the center to the periphery, and the second ring magnet, the first vibrating diaphragm and the first magnetic yoke are distributed at intervals along the multistage step surface.

7. The loudspeaker of claim 6, wherein the bass unit includes a second magnet assembly and a second vibration part, the second magnet assembly includes a center magnet and a side magnet sleeved outside the center magnet, the second vibration part includes a second diaphragm, a voice coil and a dome connected, and the voice coil is inserted in a magnetic gap formed between the center magnet and the side magnet.

8. The loudspeaker of claim 7, wherein the second magnet assembly is attached to the first yoke and/or the lower housing.

9. The speaker of claim 1, wherein the first sound hole and the second sound hole are oriented in the same direction and are each perpendicular to a vibration direction of the vibration portion.

10. An electronic device comprising a loudspeaker according to any one of claims 1-9.

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