CN207869360U - Loudspeaker enclosure - Google Patents

Abstract

The utility model provides a kind of loudspeaker enclosure, including lower cover, upper cover, sounding monomer, frame, breathable barrier, the through-hole through lower cover setting and lid set the cover board of the through-hole；The sounding monomer surrounds ante-chamber with the upper cover, and the sounding monomer surrounds back cavity jointly with the lower cover and the upper cover；The frame is in hollow structure and is contained in the back cavity, it is openning shape that the frame, which surrounds polyhedral structure and each face, lower cover described in the face of one of described frame face, which is arranged and abuts, is fixed on the lower cover, and the breathable barrier, which is sticked, to be fixed on remaining multiple face of the frame and each face is completely covered；The frame, the breathable barrier and the lower cover surround the auxiliary sounding chamber for serving as the virtual operatic tunes jointly, and the through-hole is connected to the auxiliary sounding chamber, and the auxiliary sounding intracavitary is filled with sound-absorbing particle.Compared with the relevant technologies, the loudspeaker enclosure audio performance especially low frequency performance of the utility model is good.

Description

Loudspeaker enclosure

【Technical field】

The utility model is related to acoustic-electric field more particularly to a kind of loudspeaker enclosures applying to portable electronic product.

【Background technology】

With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, 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.

The case of raising one's voice of the relevant technologies includes that lower cover and the lower cover assemble and to form the upper cover of receiving space, be contained in this Sounding monomer in receiving space and the retaining wall extended from the upper cover to lower cover direction；The sounding monomer includes vibrating diaphragm, The vibrating diaphragm and the upper cover surround ante-chamber, and the sounding monomer surrounds back cavity with the lower cover, and the retaining wall surrounds auxiliary hair The operatic tunes is sticked breathable membrane close to the side of the lower cover, sets sound-absorbing particle by being filled out to the auxiliary sounding intracavitary and is formed The virtual operatic tunes of D-BASS, so as to improve the frequency acoustic performance of the loudspeaker enclosure.

However, in the loudspeaker enclosure of the relevant technologies, the breathable membrane is to be parallel to the lower cover setting, the auxiliary The sound-absorbing particle of sounding intracavitary is only capable of contacting with back cavity by breathable membrane one side, which fails fully to make the sound-absorbing Particle is contacted with back cavity, to limit promotion of the virtual operatic tunes of D-BASS to the low frequency performance of the loudspeaker enclosure.

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

【Utility model content】

The purpose of this utility model is to provide a kind of good loudspeaker enclosures of audio performance especially low frequency performance.

In order to achieve the above object, the utility model provides a kind of loudspeaker enclosure, including lower cover, assembles with the lower cover It forms the upper cover of receiving space, the sounding monomer being contained in the receiving space, frame, breathable barrier, run through the lower cover The through-hole and lid of setting set the cover board of the through-hole；The sounding monomer and the upper cover surround ante-chamber, the sounding monomer with The lower cover and the upper cover surround back cavity jointly；The frame is in hollow structure and is contained in the back cavity, the frame It is openning shape to surround polyhedral structure and each face, and lower cover described in the face of one of described frame face is arranged and abuts solid Due to the lower cover, the breathable barrier, which is sticked, to be fixed on remaining multiple face of the frame and each face is completely covered；Institute It states frame, the breathable barrier and the lower cover and surrounds the auxiliary sounding chamber for serving as the virtual operatic tunes, the through-hole and institute jointly Auxiliary sounding chamber connection is stated, the auxiliary sounding intracavitary is filled with sound-absorbing particle.

Preferably, the frame is in hexahedron structure, includes being oppositely arranged close to the top surface of the upper cover, with the top surface Bottom surface and connect four sides of the top surface and the bottom surface, the bottom surface, which abuts, is fixed on the lower cover, described Air bound off member, which is sticked, is fixed on the top surface and four sides.

Preferably, the frame is fixed with the lower cover by ultrasonic bonding or glue sticking.

Preferably, the breathable barrier is integrated injection molding with the frame.

Preferably, being fixed between the two parts in the two neighboring face of the frame for the breathable barrier forms compartment and cuts Seam.

Preferably, the breathable barrier is screen cloth.

Preferably, the cover board is made of PET material.

Preferably, the sound-absorbing particle is zeolite granular.

Compared with the relevant technologies, intracavitary is formed in hollow polyhedral structure the loudspeaker enclosure of the utility model in the rear Frame, so that the wherein one side of frame is abutted and be fixed on the lower cover, and it is fixed saturating to be sticked on its lap of the frame The formation of air bound off member is completely covered, i.e., the described lower cover, the frame and the breathable barrier, which are collectively formed, serves as the virtual operatic tunes Auxiliary sounding chamber, can make the sound-absorbing particle by multiple faces through described ventilative after auxiliary sounding intracavitary filling sound-absorbing particle Separator contacts to form air communication with back cavity, has given full play to the D-BASS of the sound-absorbing particle formation to the low of the back cavity The improvement of frequency acoustical behavior, so that the audio acoustic performance especially frequency acoustic performance of the loudspeaker enclosure is more excellent.

【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, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it 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 isometric structural exploded view of Fig. 1；

Fig. 3 is the cut-away view of the line A-A along Fig. 1；

Fig. 4 is the flattening schematic diagram of the breathable barrier of the utility model loudspeaker enclosure.

【Specific implementation mode】

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, 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.

Please refer to Fig. 1-3, wherein Fig. 1 is the dimensional structure diagram of the utility model loudspeaker enclosure；Fig. 2 is Fig. 1 Part isometric structural exploded view；Fig. 3 is the cut-away view of the line A-A along Fig. 1.The utility model provides a kind of loudspeaker enclosure 100, including lower cover 1, upper cover 2, sounding monomer 3, frame 4, breathable barrier 5, through-hole 6 and cover board 7.

It should be noted that in the utility model, the upper cover 2 and 3 sounding side of the sounding monomer (the one of setting vibrating diaphragm Side) it is oppositely arranged.

The lower cover 1 assembles to form receiving space 8 jointly with the upper cover 2.Specifically, the lower cover 1 and the upper cover 2 Fixing seal is formed by ultrasonic welding process, or is fixed by glue sticking.

The sounding monomer 3 is contained in the receiving space 8, and the sounding monomer 3 surrounds ante-chamber 81 with the upper cover 2, For sounding；The sounding monomer 3 surrounds back cavity 82 jointly with the lower cover 1 and the upper cover 2, for improving frequency acoustic Energy.I.e. the receiving space 8 is separated into the ante-chamber 81 and the back cavity 82 by the sounding monomer 3.

The frame 4 is in hollow structure and is contained in the back cavity 82.

It is openning shape that the frame 4, which surrounds polyhedral structure and each face, one of described frame 4 face face institute It states the setting of lower cover 1 and abuts and be fixed on the lower cover 1.

In present embodiment, the frame 4 is fixed with the lower cover 1 by ultrasonic bonding or glue sticking.

The breathable barrier 5, which is sticked, to be fixed on remaining multiple face of the frame 4 and each face is completely covered.

Above structure makes the frame 4, the breathable barrier 5 and the lower cover 1 surround jointly to serve as the virtual operatic tunes Auxiliary sounding chamber 821, the auxiliary sounding chamber 821 is located in the back cavity 82, in fill sound-absorbing particle (not shown), shape At D-BASS chambers, for improving frequency acoustic performance.This sound-absorbing particle of institute can be dust or zeolite granular etc..

In present embodiment, the breathable barrier 5 is used as inserts, and injection molding is integrated with the frame 4.On the one hand Production efficiency is high, another aspect good reliability.

For example, the breathable barrier 5 is put into injection mold by manipulator, suction hole is set on manipulator, by negative Pressure adsorbs the breathable barrier 5 on a robotic arm.The breathable barrier 5 is first fitted in manipulator head end, four It is fitted in manipulator side after a face bending, the breathable barrier 5 is made to be fixed to required forming shape.Manipulator will be described Air bound off member 5 puts mold cavity into, and suction hole is also provided on mold cavity, and the breathable barrier 5 is adsorbed on mold cavity After on inner wall, the suction hole on manipulator is stopped, and the breathable barrier 5 is made to stay in wall of die cavity, and manipulator is taken out Go out, then carry out the injection molding of the frame 4, forms integrated injection molding structure.

Specifically, in present embodiment, the frame 4 is in hexahedron structure.The frame 4 includes close to the upper cover 2 Top surface 41, the bottom surface 42 that is oppositely arranged with the top surface 41 and four sides for connecting the top surface 41 and the bottom surface 42 43, the bottom surface 42, which abuts, is fixed on the lower cover 1, and the breathable barrier 5, which is sticked, is fixed on the top surface 41 and four institutes State side 43.

Certainly, the frame 4 is not limited to hexahedron structure or tetrahedron, pentahedron etc., this be all it is feasible, Its principle is all.

And by the setting of the frame 4 in after polyhedron, only middle one side abuts fixation with the lower cover 1 altogether, and lap is logical The breathable barrier 5 is crossed to be covered, when the sound-absorbing it is particles filled in auxiliary sounding chamber 821 after, the sound-absorbing Grain can contact simultaneously air communication by the breathable barrier 5 in multiple faces with the back cavity 82, give full play to the sound-absorbing Improvement of the D-BASS that particle is formed to the frequency acoustic performance of the back cavity 82, so that the sound of the loudspeaker enclosure 100 Frequency acoustical behavior especially frequency acoustic performance is more excellent.

It should be noted that：It is so-called in air communication refer to the auxiliary sounding chamber 821 by the breathable barrier 5 with The only mutual air circulation of the back cavity 82, other objects cannot mutually enter.

Incorporated by reference to ginseng Fig. 4, in present embodiment, the breathable barrier 5 is screen cloth.The fixation of the breathable barrier 5 Compartment joint-cutting 51 is formed between the two parts in 4 two neighboring face of the frame, the bending to discharge the breathable barrier 5 is answered Power makes the breathable barrier 5 be easier fitting and is fixed on the frame 4, structural good.

The through-hole 6 is arranged through the lower cover 1, and the through-hole 6 is connected to the auxiliary sounding chamber 821, the sound-absorbing Particle then pours into the auxiliary sounding chamber 821 by the through-hole 6.

The cover board 7 is covered on the through-hole 6 and forms sealing, prevents the sound-absorbing particle from leaking out.In present embodiment, institute Cover board 7 is stated to be made of PET material.

Compared with the relevant technologies, intracavitary is formed in hollow polyhedral structure the loudspeaker enclosure of the utility model in the rear Frame, so that the wherein one side of frame is abutted and be fixed on the lower cover, and it is fixed saturating to be sticked on its lap of the frame The formation of air bound off member is completely covered, i.e., the described lower cover, the frame and the breathable barrier, which are collectively formed, serves as the virtual operatic tunes Auxiliary sounding chamber, can make the sound-absorbing particle by multiple faces through described ventilative after auxiliary sounding intracavitary filling sound-absorbing particle Separator contacts to form air communication with back cavity, has given full play to the D-BASS of the sound-absorbing particle formation to the low of the back cavity The improvement of frequency acoustical behavior, so that the audio acoustic performance especially frequency acoustic performance of the loudspeaker enclosure is more excellent.

Above-described is only the embodiment of the utility model, it should be noted here that for the ordinary skill of this field For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to this practicality Novel protection domain.

Claims (8)

1. a kind of loudspeaker enclosure, including lower cover and the lower cover assemble the upper cover to form receiving space and are contained in receiving sky In sounding monomer, the sounding monomer and the upper cover surround ante-chamber, the sounding monomer and the lower cover and it is described on Lid surrounds back cavity jointly, which is characterized in that the loudspeaker enclosure further includes the frame in hollow structure being contained in the back cavity Frame, breathable barrier, the through-hole through lower cover setting and lid set the cover board of the through-hole；The frame surrounds polyhedron knot Structure and each face is openning shape, lower cover setting described in the face of one of described frame face and abutting be fixed on it is described under Lid, the breathable barrier, which is sticked, to be fixed on remaining multiple face of the frame and each face is completely covered, the frame, described Breathable barrier and the lower cover surround the auxiliary sounding chamber for serving as the virtual operatic tunes, the through-hole and the auxiliary sounding chamber jointly Connection, the auxiliary sounding intracavitary are filled with sound-absorbing particle.

2. loudspeaker enclosure according to claim 1, which is characterized in that the frame is in hexahedron structure, including close to institute State the top surface of upper cover, the bottom surface being oppositely arranged with the top surface and four sides for connecting the top surface and the bottom surface, institute It states bottom surface and abuts and be fixed on the lower cover, the breathable barrier, which is sticked, is fixed on the top surface and four sides.

3. loudspeaker enclosure according to claim 1, which is characterized in that the frame passes through ultrasonic bonding with the lower cover Or glue sticking is fixed.

4. loudspeaker enclosure according to claim 1, which is characterized in that the breathable barrier is integrated note with the frame It is moulded into type.

5. loudspeaker enclosure according to claim 1, which is characterized in that the breathable barrier is fixed on the frame phase Compartment joint-cutting is formed between the two parts in adjacent two faces.

6. loudspeaker enclosure according to claim 1, which is characterized in that the breathable barrier is screen cloth.

7. loudspeaker enclosure according to claim 1, which is characterized in that the cover board is made of PET material.

8. loudspeaker enclosure according to claim 1, which is characterized in that the sound-absorbing particle is zeolite granular.