CN207354534U

CN207354534U - Loudspeaker enclosure

Info

Publication number: CN207354534U
Application number: CN201721294457.3U
Authority: CN
Inventors: 单威
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2017-10-09
Filing date: 2017-10-09
Publication date: 2018-05-11
Anticipated expiration: 2027-10-09

Abstract

The utility model provides a kind of loudspeaker enclosure, including housing, the sounding monomer being contained in the housing, the flexible PCB, golden finger and the test department that are electrically connected with the sounding monomer；The flexible PCB includes the connecting portion being located in the housing being electrically connected with the sounding monomer and extends to the extension outside the housing by the connecting portion, and the golden finger position is in one end of the remote connecting portion of the extension；The test department includes at least two calibrating terminals, and the area of the calibrating terminal is more than the area of the golden finger.Compared with correlation technique, the loudspeaker enclosure testing time-effectiveness rate of the utility model is high, good reliability during use.

Description

Loudspeaker enclosure

【Technical field】

Acoustic-electric field is the utility model is related to, more particularly to a kind of loudspeaker enclosure for applying to portable electronic product.

【Background technology】

With the arrival in mobile Internet epoch, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile equipment Among, mobile phone is undoubtedly most common, most portable mobile terminal device.At present, the function of mobile phone is extremely various, one of them is just It is the music function of high-quality, therefore, the loudspeaker enclosure for playing sound is widely applied Intelligent mobile equipment till now Among, and loudspeaker enclosure needs to be tested for the property before being applied in mobile equipment.

The loudspeaker enclosure of correlation technique includes housing, is contained in the sounding monomer of enclosure interior and is electrically connected with sounding monomer And the flexible PCB of hull outside is extended to, the end of flexible PCB is equipped with the golden finger for being used for connecting exterior terminal.When Frequency response, sensitivity, gas leakage are carried out to loudspeaker enclosure when performance test, since the area of golden finger is too small, it is necessary to Matching and the test female seat of golden finger same size, and need to plug and unplug flexible PCB to complete to test.

Since flexible PCB is needed into and out test female seat, on the one hand, test the metallic connection parts branch of female seat The Gold plated Layer on golden finger surface is scratched, influences its appearance, in some instances it may even be possible to cause the Gold plated Layer on golden finger surface to be influenced by oxidation Later stage and the contact reliability with terminal；On the other hand because causing the testing time to grow into and out process, efficiency is low.

Therefore, a kind of new loudspeaker enclosure must be provided by, which having in fact, solves above-mentioned technical problem.

【Utility model content】

The purpose of this utility model is to provide a kind of good reliability and the high loudspeaker enclosure of testing efficiency.

In order to achieve the above object, the utility model provides a kind of loudspeaker enclosure, including housing, is contained in the housing Interior sounding monomer and the flexible PCB being electrically connected with the sounding monomer, the flexible PCB include being located at the housing Interior connecting portion and the extension outside the housing is extended to by the connecting portion, it is characterised in that the loudspeaker enclosure also wraps Golden finger and test department arranged on the extension and be electrically connected respectively with the sounding monomer are included, the golden finger position is in institute One end of the remote connecting portion of extension is stated, the test department includes at least two surveys for being used for loudspeaker enclosure performance test Try terminal.

Preferably, the golden finger includes at least two metallic conduction pieces, and the area of the calibrating terminal is more than the gold Belong to the area of conductive sheet.

Preferably, the golden finger is equipped with protective film.

Preferably, the calibrating terminal is circle.

Preferably, a diameter of 1-3mm of the calibrating terminal.

Preferably, the quantity of the calibrating terminal is twice of the sounding amount of monomer.

Preferably, the sounding monomer is set to two and spaced, the flexible PCB respectively with two hairs Sound monomer is electrically connected, and the calibrating terminal is set to 4, and each sounding monomer respectively with calibrating terminal described in two of which It is electrically connected.

Compared with correlation technique, the loudspeaker enclosure of the utility model set on the exposed parts of the flexible PCB with The calibrating terminal that the sounding monomer is electrically connected, and the area of the calibrating terminal is more than the area of the golden finger, passes through institute State calibrating terminal to be tested for the property the loudspeaker enclosure, avoid the phenomenon that the golden finger of loudspeaker enclosure is scratched, so that Evade the problem of flexible PCB is with exterior terminal loose contact, improve the reliability that flexible PCB is contacted with terminal； And because calibrating terminal is larger, it general test acupuncture needle can be used to test, improve testing efficiency.

【Brief description of the drawings】

It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the utility model Example is applied, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Other attached drawings are obtained, wherein：

Fig. 1 is the dimensional structure diagram of the utility model loudspeaker enclosure；

Fig. 2 is the part-structure decomposition diagram of the utility model loudspeaker enclosure.

【Embodiment】

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work The all other embodiment obtained, shall fall within the protection scope of the present invention.

It please join shown in Fig. 1-2, the utility model provides a kind of loudspeaker enclosure 100, including housing 1, is contained in the shell Sounding monomer 2 in body 1, flexible PCB 3, golden finger 4 and the test department 5 being electrically connected with the sounding monomer 2.

The flexible PCB 3 include is electrically connected with the sounding monomer 2 be located at the housing 1 in connecting portion 31 and Extension 32 outside the housing 1 is extended to by the connecting portion 31.

The golden finger 4 is located at one end of the remote connecting portion 31 of the extension 32, and the golden finger 4 is included extremely Few two metallic conduction pieces 41.

The test department 5 includes at least two calibrating terminals 51, and the area of the calibrating terminal 51 is led more than the metal The area of electric piece 41.Two calibrating terminals 51 connect the positive and negative electrode of the sounding monomer 2 respectively.The calibrating terminal is used In the test that the performances such as frequency response, sensitivity, gas leakage are carried out to loudspeaker enclosure.

Specifically, the calibrating terminal 51 is circle, a diameter of 2mm of the calibrating terminal 51.Certainly, the test lead The shape of son 51 is not limited to this.The quantity of the calibrating terminal 51 is twice of the quantity of the sounding monomer 2.

The structure setting of above-mentioned calibrating terminal 51 common test acupuncture needle to can be used to complete all of loudspeaker enclosure 100 Such as sensitivity, the test of gas leakage performance, improves testing efficiency.And because completing test using the test lead 5, avoid The damage of its surface gold-plating layer caused by the metallic conduction piece 41 plugging and unplugging when test acts, so as to improve described soft The reliability that property circuit board 3 is connected with exterior terminal.More preferably, can the surface of golden finger 4 cover layer protecting film 42 with Protection golden finger 4 is scratched or pollutes.

In order to avoid being damaged during test to the mistake of the golden finger 4, the test department 5 is located at respectively with the golden finger 4 The opposite sides of the extension 32 of the flexible PCB 3, when test, are independent of each other.

More preferably, in present embodiment, in order to meet specific demand, the sounding monomer 2 is set to two and spaced, Form double sounding monomer structures.Then the flexible PCB 3 is electrically connected with two sounding monomers 2 respectively.At this time, the survey Trying terminal 51 includes four, and the positive and negative electrode of each sounding monomer 2 is electrically connected with calibrating terminal described in two of which 51 respectively Connect.

Compared with correlation technique, the loudspeaker enclosure of the utility model set on the exposed parts of the flexible PCB with The calibrating terminal that the sounding monomer is electrically connected, and the area of the calibrating terminal is more than the area of the golden finger, passes through institute Calibrating terminal to be stated to be tested for the property the loudspeaker enclosure, the golden finger for avoiding loudspeaker enclosure is tested the phenomenon of scuffing, So as to evade the problem of flexible PCB and exterior terminal loose contact, improve flexible PCB contacted with terminal it is reliable Property；And because calibrating terminal is larger, general test acupuncture needle can be used, improve testing efficiency.

Above-described is only the embodiment of the utility model, it should be noted here that the ordinary skill for this area For personnel, on the premise of not departing from the utility model and creating design, improvement can also be made, but these belong to this practicality New protection domain.

Claims

1. a kind of loudspeaker enclosure, including housing, the sounding monomer that is contained in the housing and it is electrically connected with the sounding monomer Flexible PCB, the flexible PCB includes the connecting portion in the housing and extended to by the connecting portion described Extension outside housing, it is characterised in that the loudspeaker enclosure further include it is arranged on the extension and respectively with the sounding The golden finger and test department that monomer is electrically connected, the golden finger position is in one end of the remote connecting portion of the extension, institute Stating test department includes at least two calibrating terminals for being used for loudspeaker enclosure performance test.

2. loudspeaker enclosure according to claim 1, it is characterised in that the frequency that the calibrating terminal is used for loudspeaker enclosure is rung Should test, sensitivity test, gas leakage test.

3. loudspeaker enclosure according to claim 1, it is characterised in that the golden finger includes at least two metallic conductions Piece, the area of the calibrating terminal are more than the area of the metallic conduction piece.

4. loudspeaker enclosure according to claim 1, it is characterised in that the golden finger is equipped with protective film.

5. loudspeaker enclosure according to claim 1, it is characterised in that the calibrating terminal is circle.

6. loudspeaker enclosure according to claim 5, it is characterised in that a diameter of 1-3mm of the calibrating terminal.

7. loudspeaker enclosure according to claim 1, it is characterised in that the quantity of the calibrating terminal is the sounding monomer Twice of quantity.

8. loudspeaker enclosure according to claim 1, it is characterised in that the sounding monomer is set to two and spaced, The flexible PCB is electrically connected with two sounding monomers respectively, and the calibrating terminal is set to 4, and each sounding Monomer is electrically connected with calibrating terminal described in two of which respectively.