CN207720403U

CN207720403U - Loudspeaker enclosure

Info

Publication number: CN207720403U
Application number: CN201721459581.0U
Authority: CN
Inventors: 印兆宇; 刘晓东
Original assignee: SHANGHAI FORTUNE TECHGROUP Co Ltd
Current assignee: SHANGHAI FORTUNE TECHGROUP Co Ltd
Priority date: 2017-10-23
Filing date: 2017-10-23
Publication date: 2018-08-10
Anticipated expiration: 2027-10-23

Abstract

The utility model is related to electronics fields, disclose a kind of loudspeaker enclosure, including first shell, it is oppositely arranged with the first shell and assembles the second shell to form receiving space, the sounding monomer being arranged in the receiving space, the receiving space is separated into ante-chamber and back cavity by the sounding monomer, the sounding monomer includes the vibrational system for having vibrating diaphragm, the ante-chamber is formed between the first shell of vibrating diaphragm described in the vibrating diaphragm and face, the back cavity includes the first back cavity for being equipped with the sounding monomer and the second back cavity with the first back cavity airflow connection and for accommodating sound absorption powder, the loudspeaker enclosure case further includes the barricade for being arranged in the second back cavity and being located on airflow connection path.Loudspeaker enclosure provided by the utility model can avoid sound absorption powder bulk deposition near sounding monomer leak, be conducive to the acoustical behavior for improving loudspeaker enclosure.

Description

Loudspeaker enclosure

Technical field

The utility model is related to electronics field, more particularly to a kind of loudspeaker enclosure.

Background technology

With the fast development of science and technology, the popularity rate of audio frequency apparatus is higher and higher, and requirement of the people for audio frequency apparatus is not It is only limited to the broadcasting of audio, more more stringent requirements are proposed to the acoustic efficiency of audio frequency apparatus.Existing loudspeaker enclosure in order to Better acoustic efficiency is obtained, often fills sound absorption powder in cavity inside it.Currently, it is complete to have a kind of sounding monomer itself Closed, sound absorption powder cannot be introduced into inside sounding monomer, therefore use the loudspeaker enclosure of such totally-enclosed sounding monomer, The whole region in the operatic tunes can be used to fill sound absorption powder afterwards.

However, the inventor of the utility model has found that at least there are the following problems in the prior art：It is complete in the operatic tunes after such Portion region is filled with the loudspeaker enclosure of sound absorption powder, and sounding monomer leak usually faces rear operatic tunes region, DBASS After grain enters rear operatic tunes region from powder filling hole, it is attached that sounding monomer leak is easily deposited under the effect of vibration of sounding monomer Closely, to influence sounding monomer leakage rate, the acoustical behavior of loudspeaker enclosure is reduced.

Utility model content

The purpose of this utility model is to provide a kind of loudspeaker enclosures, and sound absorption powder can be prevented in sounding monomer leak holes Accumulation nearby improves the acoustical behavior of loudspeaker enclosure to avoid influencing sounding monomer leakage rate.

In order to solve the above technical problems, the embodiment of the utility model provides a kind of loudspeaker enclosure, including first shell Body and the first shell, which are oppositely arranged and assemble, to be formed the second shell of receiving space, be arranged in the receiving space The receiving space is separated into ante-chamber and back cavity by sounding monomer, the sounding monomer, and the sounding monomer includes having vibrating diaphragm Vibrational system, form the ante-chamber between the first shell of vibrating diaphragm described in the vibrating diaphragm and face, the back cavity includes installation There are the first back cavity of the sounding monomer and the second back cavity with the first back cavity airflow connection and for accommodating sound absorption powder, it is described Loudspeaker enclosure case further includes the barricade for being arranged in the second back cavity and being located on airflow connection path.

Preferably, the barricade includes the first partition being oppositely arranged and second partition, the first partition and described Second partition is spaced.

Preferably, the first partition is arranged in the first shell, and the second partition is arranged in the second shell On body.

Preferably, the first shell includes the first bottom wall and the first side wall along first bottom wall bending extension； The first shell further includes protruding the annular convex platform to be formed, the sounding list from first bottom wall towards the second shell Body is abutted with the annular convex platform, between the vibrating diaphragm of the sounding monomer and first bottom wall interval be arranged and formed it is described before Chamber.

Preferably, the first partition protrudes from the first bottom wall being located in second back cavity towards second shell and extends It is formed.

Preferably, the second shell includes the second bottom wall and bends the second sidewall that extends to form along the second bottom wall, Second bottom wall and the first bottom wall relative spacing are arranged, and second sidewall is interconnected to form the receiving sky with the first side wall Between, the second partition is extended to form from the second bottom wall for being located at second back cavity towards the first bottom wall protrusion.

The utility model embodiment in terms of existing technologies, by first back cavity and second back cavity Between barricade is set, barricade has separated second back cavity and first back cavity, play hinder sound absorption powder flowing work With and the setting of the barricade extends sound absorption powder and is moved to the path of the rear operatic tunes from sound absorption powder packed chamber, increases the Sound absorption powder in two back cavities reaches the difficulty of the first back cavity, and to hinder to absorb sound, powder is moved to the first back cavity and bulk deposition Near sounding monomer leak, avoids influencing sounding monomer leakage rate, improve the acoustical behavior of loudspeaker enclosure.

Description of the drawings

Fig. 1 is the loudspeaker enclosure cross-sectional view that the utility model embodiment provides；

Fig. 2 is the loudspeaker enclosure stereochemical structure assembling schematic diagram that the utility model embodiment provides；

Fig. 3 is the stereochemical structure decomposing schematic representation for the loudspeaker enclosure that the utility model embodiment provides；

Fig. 4 is the structural schematic diagram of another angle of the second shell of loudspeaker enclosure in Fig. 3.

Specific implementation mode

It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer Each embodiment of type is explained in detail.However, it will be understood by those skilled in the art that each in the utility model In embodiment, many technical details are proposed in order to make reader more fully understand the utility model.But even if without this A little technical details and various changes and modifications based on the following respective embodiments, can also realize each claim of the utility model Technical solution claimed.

The embodiment of the utility model is related to a kind of loudspeaker enclosure 100.As shown in Figs 1-4.The loudspeaker enclosure 100 wraps Include first shell 1, second shell 2, sounding monomer 3 and sound absorption powder (not shown), the first shell 1 and the second shell 2 assemble to form receiving space 10, and the sounding monomer 3 is contained in the receiving space 10.

In present embodiment, the sounding monomer 3 includes the vibrational system with vibrating diaphragm 31, the vibrating diaphragm 31 and face institute The interval of first shell 1 setting for stating vibrating diaphragm 31 forms ante-chamber 101, the sounding monomer 3 with vibrating diaphragm 31 and the second shell The setting of the interval of body 2 forms the first back cavity 102a for being isolated with the ante-chamber 101, the first shell 1 not with the vibrating diaphragm 31 just To part and the second shell 2 be spaced setting and form the second back cavity 102b being isolated with the ante-chamber 101.After described first Chamber 102a and the second back cavity 102b forms back cavity 102, gas between the first back cavity 102a and the second back cavity 102b Stream connection, and it is provided with barricade 4, the barricade 4 separates the second back cavity 102b and the first back cavity 102a.

Specifically, the ante-chamber 101 is formed by the vibrating diaphragm 31 and the first shell 1, first back cavity 102a is formed with the second shell 2, first shell 1 by the sounding monomer 3 with the vibrating diaphragm 31, second back cavity 102b is the filling section not being collectively formed with the second shell 2 with the part of 31 face of vibrating diaphragm by the first shell 1, institute The second back cavity 102b is stated to be isolated entirely from the ante-chamber 101.

The utility model embodiment in terms of existing technologies, due in the first back cavity 102a and the second back cavity 102b Between increase barricade 4, barricade 4 separated the second back cavity 102b and the first back cavity 102a, plays and hinders the sound absorption powder to flow Effect, and the setting of the barricade 4 extends the path that sound absorption powder is moved to the first back cavity 102a from the second back cavity 102b, The difficulty that sound absorption powder reaches the first back cavity 102a is increased, to avoid sound absorption powder bulk deposition in the leakage of sounding monomer 3 Near hole, it is unlikely to influence the leakage rate of sounding monomer 3, is conducive to the acoustical behavior for promoting loudspeaker enclosure 100.

Specifically, the barricade 4 includes the first partition 41 being oppositely arranged and second partition 42, the first partition 41 It is spaced with the second partition 42.Specifically, the first partition 41 and the second partition 42 are staggered, and two Person is located on airflow path, and the airflow path is connected to the first back cavity 102a and the second back cavity 102b.

Further, the first partition 41 is arranged in the first shell 1, and the second partition 42 is arranged described In second shell 2.Specifically, the first partition 41 can be integrally formed with the first shell 1, and the second partition 42 can To be integrally formed with the second shell 2, and the first partition 41 and the second partition 42 are arranged in the first shell Between body 1 and the space of the second shell 2.It is understood that it is also feasible that first partition and second partition, which are mutually exchanged, 's.

In present embodiment, the first shell 1 includes the first bottom wall 11 and bends extension along first bottom wall 11 The first side wall 12, be spaced apart on first bottom wall 11 and be equipped with the first installation through-hole 111 and the second installation through-hole 112, it is described First shell 1 is including two the first sheet metals 13 for being separately mounted to first installation through-hole 111 and mounted on described second Second sheet metal 14 of installation through-hole 112 offers the filling aperture 140 for powder filling on second sheet metal 14；The first shell Body 1 further includes the annular convex platform 15 formed from first bottom wall 11 towards the protrusion of the second shell 2, the annular convex platform 15 It is arranged around first installation through-hole 111, the sounding monomer 3 is abutted with the annular convex platform 15, the sounding monomer 3 Interval is arranged and forms the ante-chamber 101 between vibrating diaphragm 31 and first sheet metal 13.It is provided on the first side wall 12 It speaks channel 120, the channel 120 of speaking is connected to the ante-chamber 101, and the channel 120 of speaking also is in communication with the outside, and is used for Sound is spread out of into the loudspeaker enclosure 100.

Further, the second shell 2 include the second bottom wall 21 and extend along second bottom wall 21 bending the Two side walls 22, the second bottom wall 21 and the first bottom wall 11 opposite and interval setting, the first side wall 12 and the second sidewall 22 It is interconnected so as to form the receiving space 10, corresponds to first installation through-hole 111 and institute on second bottom wall 21 respectively It states and offers third installation through-hole 211 and the 4th installation through-hole 212 on the position of the second installation through-hole 112, the third installation Third sheet metal 23 is installed in through-hole 211, the 4th sheet metal 24 is installed in the 4th installation through-hole 212.

First partition 41 is arranged in the second back cavity 102b, and by the first bottom wall 11 close to 112 one end of the second installation through-hole It is extended to form towards second bottom wall 21 protrusion.First partition 41 be located at the first mounting hole 111 and the second mounting hole 112 it Between.

Second partition 42 is arranged in the second back cavity 102b, and by close 4th installation through-hole 212 in the second bottom wall 21 One end is extended to form towards the first bottom wall 11 protrusion, and second partition 42 is located at third installation through-hole 211 and the 4th installation through-hole Between 212.

It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific implementation of the utility model Example, and in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit of the utility model And range.

Claims

1. a kind of loudspeaker enclosure, including first shell, it is oppositely arranged with the first shell and assembles to form the of receiving space Two shells, the sounding monomer being arranged in the receiving space, the sounding monomer by the receiving space be separated into ante-chamber and Back cavity, the sounding monomer include the vibrational system for having vibrating diaphragm, between the first shell of vibrating diaphragm described in the vibrating diaphragm and face The ante-chamber is formed, the back cavity includes being equipped with the first back cavity of the sounding monomer and being used in combination with the first back cavity airflow connection In the second back cavity of receiving sound absorption powder, the loudspeaker enclosure further includes being arranged in the second back cavity and being located at airflow connection path On barricade.

2. loudspeaker enclosure according to claim 1, which is characterized in that the barricade include the first partition that is oppositely arranged with And second partition, the first partition and the second partition are spaced.

3. loudspeaker enclosure according to claim 2, which is characterized in that the first partition is arranged in the first shell On, the second partition is arranged in the second shell.

4. loudspeaker enclosure according to claim 2, which is characterized in that the first shell is including the first bottom wall and along institute State the first side wall that the bending of the first bottom wall extends；The first shell further includes from first bottom wall towards the second shell The annular convex platform formed is protruded, the sounding monomer abuts with the annular convex platform, the vibrating diaphragm of the sounding monomer and described the Interval is arranged and forms the ante-chamber between one bottom wall.

5. loudspeaker enclosure according to claim 4, which is characterized in that the first partition is from second back cavity The first bottom wall towards second shell protrusion extend to form.

6. loudspeaker enclosure according to claim 5, which is characterized in that the second shell includes the second bottom wall and along the Two bottom walls bend the second sidewall that extends to form, and second bottom wall is arranged with the first bottom wall relative spacing, second sidewall and the One side wall is interconnected to form the receiving space, and the second partition is from the second bottom wall of second back cavity is located at towards the One bottom wall protrusion extends to form.