CN109495826A - Loudspeaker enclosure - Google Patents

Loudspeaker enclosure Download PDF

Info

Publication number
CN109495826A
CN109495826A CN201811650156.9A CN201811650156A CN109495826A CN 109495826 A CN109495826 A CN 109495826A CN 201811650156 A CN201811650156 A CN 201811650156A CN 109495826 A CN109495826 A CN 109495826A
Authority
CN
China
Prior art keywords
loudspeaker enclosure
bracket
leak
sounding monomer
back cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811650156.9A
Other languages
Chinese (zh)
Inventor
吴军
沈凯华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Holdings Shenzhen Co Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AAC Acoustic Technologies Shenzhen Co Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Priority to CN201811650156.9A priority Critical patent/CN109495826A/en
Publication of CN109495826A publication Critical patent/CN109495826A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

Abstract

The present invention discloses a kind of loudspeaker enclosure comprising upper cover, lid set and be fixed on the upper cover and the lower cover of accommodating space is collectively formed and is contained in the sounding monomer of the accommodating space;The accommodating space is separated into ante-chamber and back cavity by the sounding monomer, sound-absorbing particle is filled in the back cavity, the sounding monomer is equipped with the leak being connected to the back cavity, the sounding monomer includes side, the leak is from the side leakage, the loudspeaker enclosure further includes the ventilation part for being formed in the back cavity, the leak is completely covered in the ventilation part, the ventilation part includes bracket and breathable barrier, the breathable barrier is covered on the side far from the sounding monomer of the bracket, the bracket and the breathable barrier surround the ventilation space being connected to the back cavity jointly;The ventilation part separates the sound-absorbing particle and the leak.Compared with the relevant technologies, loudspeaker enclosure acoustical behavior of the invention is excellent.

Description

Loudspeaker enclosure
[technical field]
The present invention relates to acoustic-electric field more particularly to a kind of loudspeaker enclosures for applying to portable electronic product.
[background technique]
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 loudspeaking case of the relevant technologies includes upper cover, covers to set and be fixed on the upper cover and be collectively formed under accommodating space The sounding monomer and breathable barrier that cover, are contained in the accommodating space and the retaining wall for being formed in the accommodating space;Institute It states sounding monomer and the upper cover surrounds ante-chamber, the sounding monomer, the lower cover and the upper cover surround back cavity jointly, described Loudspeaker enclosure further includes the ventilative chamber for being formed in the back cavity.
In the related technology since hot melt barricade forms ventilative chamber.Specifically: the loudspeaker enclosure further include be formed in it is described The back cavity is separated out ventilative chamber by the hot melt barricade in accommodating space, the hot melt barricade, however, in the related technology, and institute It states hot melt barricade and occupies many cavity spaces;Therefore existing effectively to make ventilative cavity volume using loudspeaker enclosure cavity It is maximized insufficient.
The conceptual design for also using plate in the related technology, is separated by plate, forms independent ventilative chamber, but still deposit Back cavity volume cannot be by the fully effective deficiency utilized.
Additionally use complete filling scheme in the related technology: monomer is ventilative by screen cloth, and back cavity whole volume is used as ventilative chamber, And powder is blocked to enter in sounding monomer and lead to noise by screen cloth, but lead to audio there are monomer the first leak outlet is unsmooth The deficiency of performance loss.
Therefore, it is really necessary to provide a kind of new loudspeaker enclosure solution above-mentioned technical problem.
[summary of the invention]
The purpose of the present invention is to provide a kind of loudspeaker enclosures that acoustical behavior is excellent.
In order to achieve the above objectives, the present invention provides a kind of loudspeaker enclosures comprising upper cover, lid set and be fixed on the upper cover And the lower cover of accommodating space is collectively formed and is contained in the sounding monomer of the accommodating space;The sounding monomer is by the receipts Hold space and be separated to form ante-chamber and back cavity, sound-absorbing particle is filled in the back cavity, the sounding monomer is equipped with and the back cavity The leak of connection, the sounding monomer includes side, and the leak further includes from the side leakage, the loudspeaker enclosure It is formed in the ventilation part of the back cavity, the ventilation part is completely covered the leak, and the ventilation part includes bracket and thoroughly Air bound off member, the bracket are connected to the sounding monomer, and the breathable barrier is covered on the separate hair of the bracket The side of sound monomer, the bracket and the breathable barrier surround the ventilation space being connected to the back cavity jointly;It is described The side that bracket is connected to the sounding monomer is equipped with the through-hole being connected to the ventilation space, the through-hole and the leak Connection;The ventilation part separates the sound-absorbing particle and the leak.
Preferably, the bracket is connected to the upper cover or the lower cover or abuts the upper cover and the lower cover simultaneously.
Preferably, the bracket is in rectangle, and the through-hole is provided with the short side of the bracket.
Preferably, the leak includes two and is located at the opposite sides of the sounding monomer, the ventilation part Including two, the through-hole of two ventilation parts is connected to two leaks respectively.
Preferably, the sounding monomer is in rectangle, and it is opposite that two leaks are located at the sounding monomer short axle Two sides.
Preferably, the breathable barrier is screen cloth.
Preferably, the breathable barrier and the bracket are glued fixed.
Preferably, the breathable barrier and the bracket are integrally formed.
Preferably, the loudspeaker enclosure further includes through the powder filling hole that the upper cover is arranged and being fixed on the upper cover and lid If the sealing cover in the powder filling hole, the powder filling hole is connected to the back cavity, and the sound-absorbing particle pours into institute by the powder filling hole State back cavity.
Preferably, the sounding monomer includes the frame surrounded by frame side wall and at least partly for being supported in the upper cover Be fixed on the magnetic yoke of the frame side wall, the magnetic yoke at least partly with the frame side wall along direction of vibration interval to be formed State leak.
Compared with the relevant technologies, loudspeaker enclosure of the invention has independent in the setting of the position of the leakage of sounding monomer The ventilation part of headroom makes the ventilation part be located at the side of the sounding monomer and the leakage of the sounding monomer is completely covered Hole, and it is connected to the leak with the ventilation space, it realizes the separation of leak and sound-absorbing particle, can guarantee sounding monomer Leakage space it is unobstructed, do not influence whole audio performance, and ventilation part in loudspeaker enclosure of the invention occupies cavity space It is smaller, complete filling structure is realized by the isolation of the ventilation part in the back cavity, the filling amount of sound-absorbing particle is bigger, can be effective The volume using loudspeaker enclosure back cavity, further improve the audio performance of product.
[Detailed description of the invention]
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing, in which:
Fig. 1 is the schematic perspective view of loudspeaker enclosure of the present invention;
Fig. 2 is the part-structure exploded view of loudspeaker enclosure of the present invention;
Fig. 3 is the part isometric Standard schematic diagram of loudspeaker enclosure of the present invention;
Fig. 4 is the cut-away view of the line A-A along Fig. 1;
Fig. 5 is the enlarged drawing of part shown in B in Fig. 4.
[specific embodiment]
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.
Please Shenfu Fig. 1-5, a kind of loudspeaker enclosure 100 comprising upper cover 1, lower cover 2, sounding monomer 3.
The lid of lower cover 2, which is set, to be fixed on the upper cover 1 and accommodating space 10 is collectively formed.The sounding monomer 3 is contained in In the accommodating space 10, it to be used for sounding.The sounding monomer 3 has vibrating diaphragm 31, the upper cover 1 and 31 face of vibrating diaphragm, The accommodating space 10 is separated to form ante-chamber 101 and back cavity 102 by the sounding monomer 3, and the ante-chamber 101 is formed in the vibration Between film 31 and the upper cover 1.The back cavity 102 is for improving frequency acoustic performance.
The sounding monomer 3 is equipped with the leak 32 being connected to the back cavity 102.The back cavity is sent to for acoustic pressure 102 increase frequency acoustic performance.In present embodiment, the sounding monomer 3 includes side, and the leak 32 is from the side Leakage.
Specifically, the sounding monomer 3 includes 34 He of frame surrounded by frame sidewall 34 1 for being supported in the upper cover 1 At least partly it is fixed on the magnetic yoke 33 of the frame sidewall 34 1, the magnetic yoke 33 is at least partly with the frame sidewall 34 1 along vibration Direction interval is moved to form the leak 32, i.e. Z-direction interval in Fig. 3, to make the leak 32 by the sounding The side leakage of monomer 3, i.e., it is along such as X-direction in Fig. 3 that it, which leaks direction,.
The loudspeaker enclosure 100 further includes the ventilation part 4 for being formed in the accommodating space 10, and the ventilation part 4 covers completely Cover the leak 32.The ventilation part 4 includes bracket 41 and breathable barrier 42, and the bracket 41 is connected to the sounding Monomer 3, the breathable barrier 42 be covered on the bracket 41 far from the sounding monomer 3 side, the bracket 41 with And the breathable barrier 42 surrounds the ventilation space 1021 being connected to the back cavity 102 jointly.Certainly, the bracket 41 may be used also To be connected to the upper cover 1 or the lower cover 2, or it is connected to the upper cover 1 and the lower cover 2 simultaneously.The bracket 41 abuts The through-hole 7 being connected to the ventilation space 1021, the through-hole 7 and the leak are equipped in the side of the sounding monomer 3 32 connections;The ventilation part 4 separates the sound-absorbing particle and the leak 32.Sound-absorbing particle is equipped in the back cavity 102. For example, the sound-absorbing particle is zeolite granular.In the design, the separation of the leak 32 and the sound-absorbing particle, energy are realized Guarantee that the leakage space of sounding monomer 3 is unobstructed, does not influence whole audio performance.
That is, the ventilation part 4 only realizes lateral cloth along X-axis or Y direction in loudspeaker enclosure 100 of the invention It sets, the ventilation part 4 falls into described along the projection of X-axis or Y direction and the sounding monomer 3 perpendicular to Z axis vibration direction In 3 range of sounding monomer.The bracket 41 is arranged with the lower cover 2 interval, side of the bracket 41 far from the phonation unit 3 Face is ventilative by the breathable barrier 42, and sound-absorbing particle isolation is realized complete filling structure, sound-absorbing by the ventilation part 4 The filling amount of grain is bigger, and frequency acoustic performance is more excellent.The air-flow of the loudspeaker enclosure 100 is let out as described in the sounding monomer 3 Leak hole 32 flows into the ventilation space 1021, then flows to the back cavity 102 through the breathable barrier 42, and airflow direction is as schemed In 4 and Fig. 5 shown in arrow.
In present embodiment, the bracket 41 is in rectangle, and the through-hole 7 is provided with the short side of the bracket 41.
More preferably, the leak 32 includes two and is located at the opposite sides of the sounding monomer 3, improves sounding The sound pressure equalisation reliability of monomer 3.
More preferably, the sounding monomer 3 is in rectangle, and two leaks 32 are located at 3 short axle of sounding monomer Opposite sides.
The quantity of the ventilation part 4 is matched with the leak 32, i.e., the described ventilation part 4 include two and respectively with two The leak 32 is connected to.That is the short axle two sides that two ventilation parts 4 are located at the sounding monomer 3.
In present embodiment, the breathable barrier 42 is screen cloth.The breathable barrier 42 is glue with the bracket 41 It closes and fixes.Certainly, the breathable barrier 42 may be to be integrally formed with the bracket 41.
More preferably, the loudspeaker enclosure 100 further includes through the powder filling hole 5 that the upper cover 1 is arranged and being fixed on described Lid 1 and lid set the sealing cover 6 in the powder filling hole 5, and the powder filling hole 5 is connected to the ventilation part 4, and the sound-absorbing particle is by described Powder filling hole 5 pour into the back cavity 102, then powder filling hole 5 is closed.Certainly, the powder filling hole 5 can also be opened in lower cover 2, this It is feasible.
The sound-absorbing is particles filled in the back cavity 102, for enhancing frequency acoustic performance.In present embodiment, institute It states sound-absorbing particle and is located at 4 outside of ventilation part, i.e., the described ventilation part 4 separates the sound-absorbing particle with the leak 32, The leak 32 for avoiding the sounding monomer 3 is blocked by the sound-absorbing particle and causes gas pressure leak unsmooth, increases simultaneously The leakage space of the leak 32, improves sounding reliability.The ventilation part 4 by the sound-absorbing particle be packaged in it is described after In chamber 102, the virtual operatic tunes is formed, for improving the frequency acoustic performance of the loudspeaker enclosure 100, which can make the back cavity 102 realize complete filling structure, so that the maximization of the back cavity 102 utilizes, effectively increase frequency acoustic performance.
Compared with the relevant technologies, loudspeaker enclosure of the invention has independent in the setting of the position of the leakage of sounding monomer The ventilation part of headroom makes the ventilation part be located at the side of the sounding monomer and the leakage of the sounding monomer is completely covered Hole, and it is connected to the leak with the ventilation space, it realizes the separation of leak and sound-absorbing particle, can guarantee sounding monomer Leakage space it is unobstructed, do not influence whole audio performance, and ventilation part in loudspeaker enclosure of the invention occupies cavity space It is smaller, complete filling structure is realized by the isolation of the ventilation part in the back cavity, the filling amount of sound-absorbing particle is bigger, can be effective The volume using loudspeaker enclosure back cavity, further improve the audio performance of product.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention It encloses.

Claims (10)

1. a kind of loudspeaker enclosure comprising upper cover, lid set be fixed on the upper cover and be collectively formed accommodating space lower cover and It is contained in the sounding monomer of the accommodating space;The accommodating space is separated to form ante-chamber and back cavity by the sounding monomer, institute It states and fills sound-absorbing particle in back cavity, the sounding monomer is equipped with the leak being connected to the back cavity, the sounding monomer packet Include side, the leak is from the side leakage, which is characterized in that the loudspeaker enclosure further includes being formed in the back cavity The leak is completely covered in ventilation part, the ventilation part, and the ventilation part includes bracket and breathable barrier, the bracket It is connected to the sounding monomer, the breathable barrier is covered on the side far from the sounding monomer of the bracket, described Bracket and the breathable barrier surround the ventilation space being connected to the back cavity jointly;The bracket is connected to the sounding The side of monomer is equipped with the through-hole being connected to the ventilation space, and the through-hole is connected to the leak;The ventilation part will The sound-absorbing particle and the leak separate.
2. loudspeaker enclosure according to claim 1, which is characterized in that the bracket is connected to the upper cover or the lower cover Or the upper cover and the lower cover are abutted simultaneously.
3. loudspeaker enclosure according to claim 1, which is characterized in that the bracket is in rectangle, and the through-hole is provided with institute State the short side of bracket.
4. loudspeaker enclosure according to claim 1, which is characterized in that the leak includes two and is located at described The opposite sides of sounding monomer, the ventilation part include two, and the through-hole of two ventilation parts is respectively and described in two Leak connection.
5. loudspeaker enclosure according to claim 4, which is characterized in that the sounding monomer is in rectangle, two leakages Hole is located at the sounding monomer short axle opposite sides.
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 breathable barrier and the bracket are solid for gluing It is fixed.
8. loudspeaker enclosure according to claim 1, which is characterized in that the breathable barrier is injection molding one with the bracket It is body formed.
9. loudspeaker enclosure according to claim 1, which is characterized in that the loudspeaker enclosure further includes setting through the upper cover The powder filling hole set and it is fixed on the upper cover and lid sets the sealing cover in the powder filling hole, the powder filling hole is connected to the back cavity, The sound-absorbing particle pours into the back cavity by the powder filling hole.
10. loudspeaker enclosure according to claim 1, which is characterized in that the sounding monomer includes being supported in the upper cover The frame surrounded by frame side wall and the magnetic yoke for being at least partly fixed on the frame side wall, the magnetic yoke at least partly with institute Frame side wall is stated along direction of vibration interval to form the leak.
CN201811650156.9A 2018-12-31 2018-12-31 Loudspeaker enclosure Pending CN109495826A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811650156.9A CN109495826A (en) 2018-12-31 2018-12-31 Loudspeaker enclosure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811650156.9A CN109495826A (en) 2018-12-31 2018-12-31 Loudspeaker enclosure

Publications (1)

Publication Number Publication Date
CN109495826A true CN109495826A (en) 2019-03-19

Family

ID=65712105

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811650156.9A Pending CN109495826A (en) 2018-12-31 2018-12-31 Loudspeaker enclosure

Country Status (1)

Country Link
CN (1) CN109495826A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110381395A (en) * 2019-06-30 2019-10-25 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN110896507A (en) * 2019-11-28 2020-03-20 歌尔股份有限公司 Loudspeaker module
CN111163406A (en) * 2019-12-30 2020-05-15 歌尔股份有限公司 Sound production device and speaker module
WO2021031477A1 (en) * 2019-08-20 2021-02-25 歌尔股份有限公司 Acoustic device and electronic apparatus
WO2021138954A1 (en) * 2020-01-09 2021-07-15 瑞声声学科技(深圳)有限公司 Loudspeaker enclosure
WO2022007023A1 (en) * 2020-07-07 2022-01-13 瑞声声学科技(深圳)有限公司 Loudspeaker box
WO2022007025A1 (en) * 2020-07-07 2022-01-13 瑞声声学科技(深圳)有限公司 Loudspeaker box
WO2022006992A1 (en) * 2020-07-09 2022-01-13 瑞声声学科技(深圳)有限公司 Speaker
WO2022041434A1 (en) * 2020-08-27 2022-03-03 瑞声声学科技(深圳)有限公司 Loudspeaker box
WO2022041455A1 (en) * 2020-08-27 2022-03-03 瑞声声学科技(深圳)有限公司 Loudspeaker box

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Publication number Priority date Publication date Assignee Title
CN206433106U (en) * 2017-01-12 2017-08-22 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN207251897U (en) * 2017-08-21 2018-04-17 瑞声科技(新加坡)有限公司 Microphone device
WO2018131808A1 (en) * 2017-01-16 2018-07-19 주식회사 이어브릿지 High-quality electromagnetic speaker having improved accuracy of air gap
CN108462906A (en) * 2018-01-05 2018-08-28 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN207869352U (en) * 2018-01-29 2018-09-14 瑞声科技(新加坡)有限公司 Microphone device
CN108989944A (en) * 2018-08-03 2018-12-11 瑞声光电科技(常州)有限公司 Loudspeaker enclosure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206433106U (en) * 2017-01-12 2017-08-22 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
WO2018131808A1 (en) * 2017-01-16 2018-07-19 주식회사 이어브릿지 High-quality electromagnetic speaker having improved accuracy of air gap
CN207251897U (en) * 2017-08-21 2018-04-17 瑞声科技(新加坡)有限公司 Microphone device
CN108462906A (en) * 2018-01-05 2018-08-28 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN207869352U (en) * 2018-01-29 2018-09-14 瑞声科技(新加坡)有限公司 Microphone device
CN108989944A (en) * 2018-08-03 2018-12-11 瑞声光电科技(常州)有限公司 Loudspeaker enclosure

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110381395A (en) * 2019-06-30 2019-10-25 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
WO2021031477A1 (en) * 2019-08-20 2021-02-25 歌尔股份有限公司 Acoustic device and electronic apparatus
CN110896507A (en) * 2019-11-28 2020-03-20 歌尔股份有限公司 Loudspeaker module
WO2021104443A1 (en) * 2019-11-28 2021-06-03 歌尔股份有限公司 Loudspeaker module
CN111163406A (en) * 2019-12-30 2020-05-15 歌尔股份有限公司 Sound production device and speaker module
CN111163406B (en) * 2019-12-30 2022-01-07 歌尔股份有限公司 Sound production device and speaker module
WO2021138954A1 (en) * 2020-01-09 2021-07-15 瑞声声学科技(深圳)有限公司 Loudspeaker enclosure
WO2022007023A1 (en) * 2020-07-07 2022-01-13 瑞声声学科技(深圳)有限公司 Loudspeaker box
WO2022007025A1 (en) * 2020-07-07 2022-01-13 瑞声声学科技(深圳)有限公司 Loudspeaker box
WO2022006992A1 (en) * 2020-07-09 2022-01-13 瑞声声学科技(深圳)有限公司 Speaker
WO2022041434A1 (en) * 2020-08-27 2022-03-03 瑞声声学科技(深圳)有限公司 Loudspeaker box
WO2022041455A1 (en) * 2020-08-27 2022-03-03 瑞声声学科技(深圳)有限公司 Loudspeaker box

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Application publication date: 20190319

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