CN219999589U

CN219999589U - Frequency division loudspeaker

Info

Publication number: CN219999589U
Application number: CN202320918153.9U
Authority: CN
Inventors: 魏建敏; 金一栋; 周聪聪; 吴日文
Original assignee: Zhejiang Qisheng Electronic Technology Co ltd
Current assignee: Zhejiang Qisheng Electronic Technology Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-11-10
Anticipated expiration: 2033-04-17

Abstract

The utility model discloses a crossover speaker, comprising: a rear cover, wherein one side of the rear cover is provided with a first opening and a second opening; the front cover is connected with the rear cover and forms an accommodating space inside, one side of the front cover is provided with a third opening and an accommodating groove, the positions of the first opening and the third opening correspond to each other, and the accommodating groove corresponds to the second opening; the bass sound generating unit is arranged between the first opening and the third opening; the high-pitch sound generating unit is arranged between the accommodating groove and the second opening; and one FPC board set inside the holding space and with one other part extending to the outside of the holding space. The utility model can obviously improve the partial loudness of high frequency, enrich sound details, improve tone quality, effectively supplement the radiation of a high-pitched sound field through the frequency division mode of high and low tones, and effectively solve the problem of insufficient high tones of the panel type micro-speaker.

Description

Frequency division loudspeaker

Technical Field

The utility model relates to the technical field of speakers, in particular to a crossover speaker.

Background

Along with the increasing requirement of users on the hearing of the loudspeaker, the current flat panel type micro-loudspeaker full-screen loudspeaker of the mobile phone adopts a side sound outlet structure, a sound outlet channel is long and narrow, and the conventional loudspeaker has obvious attenuation in a high-frequency area due to the defect of an congenital structure, so that the sound detail is insufficient and the user experience is influenced, therefore, the loudspeaker is required to be provided to avoid the problems.

Disclosure of Invention

The utility model aims to avoid the defects existing in the prior art, thereby providing the crossover loudspeaker, enriching sound details and improving sound quality.

The utility model solves the technical problems by adopting the following technical scheme: a crossover speaker, comprising:

a rear cover, wherein one side of the rear cover is provided with a first opening and a second opening;

the front cover is connected with the rear cover and forms an accommodating space inside, one side of the front cover is provided with a third opening and an accommodating groove, the positions of the first opening and the third opening correspond to each other, and the accommodating groove corresponds to the second opening;

the bass sound generating unit is arranged between the first opening and the third opening;

the high-pitch sound generating unit is arranged between the accommodating groove and the second opening;

and one FPC board set inside the holding space and with one other part extending to the outside of the holding space.

In several embodiments, the treble sound unit is juxtaposed with the bass sound unit.

In several embodiments, a plurality of sound outlets are disposed on a side of the front cover, which is close to the third opening, and the sound outlets correspond to positions of the high-pitch sound generating unit and the low-pitch sound generating unit.

In several embodiments, one end of the FPC board is connected to the high-pitch sound generating unit, and the other end of the FPC board is connected to the low-pitch sound generating unit.

In several embodiments, a plurality of positioning columns are disposed on the inner side of the front cover, a plurality of positioning holes are disposed on the FPC board, and the positioning holes are used for the positioning columns to penetrate through and the positions of the positioning columns correspond to the positions of the positioning holes.

In several embodiments, a spacer is disposed on the inner side of the front cover, the FPC board is disposed on the upper side of the spacer, and a part of the positioning column is disposed on the spacer.

The utility model has the following beneficial effects:

the utility model can obviously improve the loudness of the high-frequency part by matching the single high-low-pitch loudspeaker, enrich sound details, improve sound quality, effectively supplement the radiation of a high-pitch sound field by the frequency division mode of the high-low-pitch loudspeaker, and has high adaptability and effectively solves the problem of the shortage of high-pitch of the panel-type micro-loudspeaker.

Drawings

The drawings described herein are for illustration purposes only of selected embodiments and are not intended to represent all possible implementations and should not be construed as limiting the scope of the present utility model.

Fig. 1 schematically shows the overall structure of a speaker in an embodiment;

fig. 2 schematically illustrates a part of the structure of fig. 1, wherein a front cover is not included;

fig. 3 schematically illustrates a part of the structure of fig. 1, wherein the rear cover is not included;

fig. 4 schematically shows the structure of the front cover in fig. 3.

Detailed Description

In the following, embodiments of the present utility model will be described in detail, for the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, and in the following, technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.

The terminology used herein is for the purpose of describing embodiments and is not intended to be limiting and/or limiting of the utility model.

For example, "in a certain direction", "parallel", "orthogonal", "center", "opposite", "front-rear-left-right", and the like indicate expressions of relative or absolute arrangement, and indicate not only such arrangement in a strict sense but also a state of relative displacement with tolerance or with an angle or distance that can obtain the same degree of function.

As shown in fig. 1-3, the crossover speaker provided in this embodiment is mainly composed of a front cover 10, a rear cover 20, a high-pitch sound generating unit 30, a low-pitch sound generating unit 40 and an FPC board 50, and is a speaker structure that is formed by connecting the front cover 10 and the rear cover 20 as housings, forming an accommodating space inside, and forming an accommodating space for the high-pitch sound generating unit 30 and the low-pitch sound generating unit 40 of a sound cavity, and electrically connecting with the FPC board 50, thereby realizing high-low-pitch combination.

Wherein, the high-pitch sounding unit 30 and the low-pitch sounding unit 40 are speaker sounding structures commonly used in the field, namely, the vibrating diaphragm and the voice coil are combined with the magnetic circuit, electromagnetic force is provided through the magnetic circuit, and the voice coil is driven to drive vibration of the vibrating diaphragm to sound, which is different in that one is responsible for a high-frequency part of sound and one is responsible for a low-frequency part, and sound after the two are combined with each other, sound details can be enriched, and sound quality is improved.

Specifically, a first opening 11 and a second opening 12 are disposed on the same side of the rear cover 10, and the size of the first opening 11 is larger than that of the second opening 12.

Correspondingly, a third opening 21 and a containing groove 22 are also arranged on the same side of the front cover 20, the positions of the first opening 11 and the third opening 21 correspond to the positions of the containing groove 22 and the second opening 12, and the size of the third opening 21 is larger than that of the containing groove 22, so that the bass sound generating unit 40 is assembled in the containing space through the first opening 11 and the third opening 21, the treble sound generating unit 30 is assembled in the containing space through the containing groove 22 and the second opening 12, the treble sound generating unit 30 and the bass sound generating unit 40 are arranged in parallel, and a certain superposition area exists in the sound generating areas of the two.

And, a plurality of sound outlet holes 23 are arranged on one side of the front cover 20 close to the third opening 21, the sound outlet holes 23 correspond to the positions of the high-pitch sound generating unit 30 and the low-pitch sound generating unit 40, and the positions of the water outlet holes 23 are located in the lateral direction, so that the mobile phone panel is suitable for flat environments such as a mobile phone panel.

As shown in fig. 3 and 4, the FPC board 50 is partially disposed in the accommodating space and the other portion extends to the outside of the accommodating space, wherein one end of the head of the FPC board 50 in the accommodating space is connected with the high-pitch sounding unit 30, specifically, connected to the voice coil part, and the other end of the head of the FPC board 50 is connected to the low-pitch sounding unit 40, also connected to the voice coil part, and electrically connected to the outside by the FPC board 50 extending to the outside of the accommodating space.

In order to facilitate the assembly and fixation of the FPC board 50, a raised frame 25 is disposed on the inner side of the front cover 20, the FPC board 50 is disposed on the upper side of the raised frame 25, the raised frame 25 is generally in a framework structure with a plurality of cross-shaped connections, the distribution trend of the FPC board 50 is limited on the raised frame 25, and an insulating effect is provided, meanwhile, a plurality of positioning columns 24 are disposed on the inner side of the front cover 20, the positioning columns 24 are disposed on the arrangement route of the FPC board 50 in a mounting and fixation track manner, at least two positioning columns 24 are disposed on the raised frame 25, a plurality of positioning holes 51 are disposed on the FPC board 50, the positioning holes 51 are used for the positioning columns 24 to penetrate and the positions of the positioning columns 24 correspond to the positions of the positioning holes 51, and positioning and fixation effects can be effectively provided for the assembly of the FPC board 50 through the cooperation of the positioning holes 51 and the positioning columns 24.

The present utility model describes preferred embodiments, including the best mode known to the inventors for carrying out the utility model. Variations of these preferred embodiments will, of course, be apparent to those skilled in the art. The inventors expect skilled artisans to employ such variations as appropriate, and the inventors intend for the utility model to be practiced otherwise than as specifically described herein. Accordingly, this utility model includes all modifications encompassed within the spirit and scope of the utility model as defined by the claims. Moreover, unless indicated otherwise or clearly contradicted by context, the present utility model includes any of the above-described factors and all possible variations thereof.

Claims

1. A crossover speaker, comprising:

2. The crossover speaker of claim 1 wherein the tweeter unit is juxtaposed with the woofer unit.

3. The crossover speaker of claim 2 wherein the front cover has a plurality of sound outlets disposed on a side thereof adjacent the third opening, the sound outlets corresponding to the locations of the tweeter unit and the woofer unit.

4. A crossover speaker as defined in claim 3 wherein one end of the FPC board is connected to the high pitch sound producing unit and the other end of the FPC board is connected to the low pitch sound producing unit.

5. The crossover speaker of claim 4 wherein a plurality of positioning posts are provided on the inside of the front cover, and a plurality of positioning holes are provided on the FPC board, the positioning holes being for the positioning posts to penetrate and the positioning posts being positioned in correspondence with the positioning holes.

6. The crossover speaker of claim 5 wherein the front cover has an elevated frame on the inside thereof, the FPC board is disposed on the elevated frame, and a portion of the positioning posts are disposed on the elevated frame.