CN106162425B - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN106162425B CN106162425B CN201610581244.2A CN201610581244A CN106162425B CN 106162425 B CN106162425 B CN 106162425B CN 201610581244 A CN201610581244 A CN 201610581244A CN 106162425 B CN106162425 B CN 106162425B
- Authority
- CN
- China
- Prior art keywords
- hole
- loudspeaker
- circuit system
- magnetic circuit
- loudspeaker enclosure
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
- H04R1/2846—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
- H04R1/2849—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention provides a kind of loudspeaker enclosures, including having the shell of accommodating space and being contained in the loudspeaker monomer of the shell, the loudspeaker monomer includes frame, the magnetic circuit system that is contained in the frame and below the magnetic circuit system and the vibrational system that is connect with the frame, the sound that the shell is equipped with for generating the vibrational system, which is exported, goes out acoustic aperture to outside the loudspeaker enclosure, a back cavity is formed between the magnetic circuit system and the vibrational system, the back cavity is communicated with the acoustic aperture out, the loudspeaker monomer further includes the air hole through the magnetic circuit system, the air hole is communicated with the back cavity.Loudspeaker enclosure provided by the invention runs through the air hole of the magnetic circuit system by setting, the loudspeaker monomer internal gas flow is more unobstructed, the air-flow especially between vibrational system and magnetic circuit system, so as to improve high frequency band, the acoustical behavior of loudspeaker enclosure is improved, and loudspeaker monomer thermal diffusivity is good.
Description
[technical field]
The present invention relates to acoustic-electric conversion art more particularly to a kind of loudspeaker enclosures.
[background technique]
In the fast development process of mobile device (such as mobile phone, tablet computer or laptop computer), function of the people to product
Can require it is higher and higher, in order to keep entertainment effect more prominent, thus loudspeaker enclosure also more and more use loudspeaker monomer knot
The structure for closing BOX forms loudspeaker enclosure, to obtain better low frequency experience.
The loudspeaker enclosure of the relevant technologies includes loudspeaker monomer and the shell for being enclosed in loudspeaker monomer periphery.Wherein institute
Loudspeaker monomer is stated to include frame, the magnetic circuit system being contained in the frame and be immobilizated in frame and partial insertion is in magnetic circuit
The vibrational system of system.The magnetic circuit system includes magnetic bowl and the magnetic steel component that is attached on magnetic bowl.Since loudspeaker monomer shakes
A large amount of heat can be generated when dynamic sounding, for the ease of distributing heat in time, is usually inverted loudspeaker monomer in shell
In body, i.e., the magnetic bowl of the described magnetic circuit system is located above magnet steel, accelerates to radiate using magnetic bowl, but this inverted loudspeaker
Case has the disadvantage in that loudspeaker monomer internal gas flow is obstructed, especially the air-flow between vibrational system and magnetic circuit system, leads
Cause the high frequency performance of loudspeaker enclosure poor.
Therefore, it is necessary to provide the new loudspeaker enclosure of one kind to solve the above technical problems.
[summary of the invention]
The purpose of the present invention is to provide a kind of loudspeaker enclosures, are used for the loudspeaker that existing loudspeaker monomer inverts setting
The technical problem that case internal gas flow is obstructed and high frequency performance is poor.
Technical scheme is as follows: a kind of loudspeaker enclosure comprising has the shell of accommodating space and is contained in described
The loudspeaker monomer of shell, the loudspeaker monomer include frame, the magnetic circuit system being contained in the frame and are set to described
The vibrational system connecting below magnetic circuit system and with the frame, the shell are equipped with the sound for generating the vibrational system
Sound, which is exported, goes out acoustic aperture to outside the loudspeaker enclosure, and a back cavity is formed between the magnetic circuit system and the vibrational system, described
Back cavity is communicated with the acoustic aperture out, and the loudspeaker monomer further includes the air hole through the magnetic circuit system, the air hole
It is communicated with the back cavity.
Preferably, the magnetic circuit system includes magnetic bowl, and the magnetic bowl includes the first through hole through its setting, this is first logical
Hole is the air hole, and the magnetic bowl and the shell interval are arranged to form a back chamber, the back chamber and the acoustic aperture phase out
Logical, the air hole is connected to the back cavity and the back chamber.
Preferably, the air hole is equipped with multiple, and multiple air holes are uniformly distributed.
Preferably, the loudspeaker monomer further includes the leak holes for being connected to the back cavity and the back chamber.
Preferably, the magnetic bowl group assigned in be equipped at the top of the frame, and between the magnetic bowl and the frame with it is described
The clearance space that back cavity communicates, the clearance space are the leak holes.
Preferably, the magnetic bowl includes roof and the magnetic bowl side wall for the setting that connects with the roof, the first through hole are passed through
The intermediate region of the roof is worn, the magnetic bowl side wall is equipped with notch section, so that forming institute between the magnetic bowl and the frame
State clearance space.
Preferably, the magnetic circuit system further includes the magnet steel for being attached at institute's magnetic bowl lower surface, and the magnet steel includes running through it
The second through-hole being arranged, second through-hole and the first through hole, which are coaxially disposed and are mutually communicated, collectively forms described breathe freely
Hole.
Preferably, the magnetic circuit system further includes the pole piece for being attached at the magnet steel lower surface, and the pole piece includes running through
Its third through-hole being arranged, the third through-hole, the second through-hole and first through hole, which are coaxially disposed and are mutually communicated, collectively forms institute
State air hole.
Preferably, the loudspeaker monomer further includes the Air Filter for covering the air hole, and the Air Filter is set to described
Magnetic circuit system deviates from the side of the back cavity.
Preferably, the shell includes one side wall, and the acoustic aperture out is set to the side wall, and the central axis of the acoustic aperture out
The central axis of line and the air hole is mutually perpendicular to.
The beneficial effects of the present invention are: run through the air hole of the magnetic circuit system by being arranged, when loudspeaker monomer is anti-
When being placed in shell, air-flow between the magnetic circuit system and the vibrational system is gone out by the air hole and the shell
Acoustic aperture connection, and then be connected to external environment, keeps the air-flow inside the loudspeaker monomer more unobstructed, especially vibrational system and
Air-flow between magnetic circuit system improves the acoustical behavior of loudspeaker enclosure so as to improve high frequency band；And the loudspeaker monomer
Internal gas flow circulation it is unobstructed after, be more advantageous to heat dissipation, the loudspeaker monomer thermal diffusivity is good.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of loudspeaker enclosure of the present invention；
Fig. 2 is the perspective exploded view of loudspeaker enclosure shown in Fig. 1；
Fig. 3 is the diagrammatic cross-section of loudspeaker enclosure shown in Fig. 1.
[specific embodiment]
The invention will be further described with embodiment with reference to the accompanying drawing.
Please refer to Fig. 1, Fig. 2 and Fig. 3, wherein Fig. 1 is the structural schematic diagram of loudspeaker enclosure of the present invention, and Fig. 2 is Fig. 1 institute
Show the perspective exploded view of loudspeaker enclosure, Fig. 3 is the diagrammatic cross-section of loudspeaker enclosure shown in Fig. 1.The present invention provides one kind and raises
Sound device case 100 comprising have the shell 1 of accommodating space and the loudspeaker monomer 2 being contained in the shell 1.The loudspeaker
Monomer 2 include frame 21, the magnetic circuit system 22 being contained in the frame 21, be set to 22 lower section of the magnetic circuit system and with it is described
The vibrational system 23 that frame 21 connects and the air hole 24 through the magnetic circuit system 22.
The shell 1 includes the cover board 11, upper housing 12 and lower case 13 for complementing each other to form the accommodating space.It is described
The sound that upper housing 12 is equipped with for generating the vibrational system 23, which exports, goes out acoustic aperture 121 outside the loudspeaker enclosure 100, should
Acoustic aperture 121 is preferably located on the side wall of the shell 1 out, and the side wall is set on the upper housing 12, more preferably,
The central axis of the central axis and the air hole 24 of acoustic aperture 121 out is mutually perpendicular to.The magnetic circuit system 22 and described
A back cavity 20 is formed between vibrational system 23, the back cavity 20 is communicated with the acoustic aperture 121 out.
The magnetic circuit system 22 includes successively folding magnetic bowl 221, magnet steel 222 and the pole piece 223 set from top to bottom.The magnetic bowl
221 groups assigned in 21 top of frame comprising the magnetic bowl side wall of roof and the setting that connects with the roof, the two are equipped with
Ostiolate accommodation space is surrounded, and its is opening down.The roof of the magnetic bowl 221 and the setting of the cover board 11 interval form one
Chamber 10 is carried on the back, the back chamber 10 is communicated with the acoustic aperture 121 out.The magnet steel 222 and the pole piece 223 are contained in the magnetic bowl
In 221 accommodation space, wherein the magnet steel 222 be attached at the lower surface of the roof of the magnetic bowl 221 and with magnetic bowl side
Wall interval is arranged to form magnetic gap, and the pole piece 223 is attached at the lower surface of the magnet steel 222.The magnetic bowl 221 includes running through
Its first through hole 2210 being arranged, the magnet steel 222 include the second through-hole 2220 through its setting, and the pole piece 223 includes
Through the third through-hole 2230 of its setting, the third through-hole 2230, the second through-hole 2220 and first through hole 2210 are coaxially disposed
And it is mutually communicated and collectively forms the air hole 24.Preferably, the first through hole 2210 is in 221 roof of magnetic bowl
Between region, with balancing fields, reduction aperture as far as possible is influenced on caused by the magnetic circuit system 22.The first through hole 2210,
The shape of second through-hole 2220 and third through-hole 2230 can be the shape or irregular shape of rule, and regular shape is specific
It can be one of round, rectangular, triangle, polygon, the shape of other unlisted rules is also protected in the present invention certainly
The range of shield.Certainly, the air hole 24 can also be equipped with multiple, and multiple air holes 24 are uniformly distributed.
The vibrational system 23 includes vibrating diaphragm 231, voice coil 232 and support plate 233.The vibrating diaphragm 231 includes being located at centre
The top dome 234 of position and the circular top dome 234 and ring portion 235 connected to it.The support plate 233 is set to the frame
21 bottoms, the periphery in the ring portion 235 is located between the frame 21 and the support plate 233, with this and the frame
21 is fixed, and the space between the vibrating diaphragm 231 and the magnetic bowl 221 is the back cavity 20, and the vibrating diaphragm 231 and the shell
Space between the lower case 13 of body 1 is ante-chamber 30.The voice coil 232 is fixedly arranged on 231 top of vibrating diaphragm and partial insertion
In the magnetic gap, the voice coil 232 generates Ampere force in the magnetic gap and drives 231 vibration sounding of vibrating diaphragm with this.
In addition, the loudspeaker monomer 2 further includes the leak holes 25 for being connected to the back cavity 20 and the back chamber 10.Specifically
, 221 groups of the magnetic bowl, assigned in 21 top of the frame, and are equipped with and the back cavity 20 between the magnetic bowl 221 and frame 21
The clearance space communicated, the clearance space are the leak holes 25.More specifically, in the magnetic bowl side wall of the magnetic bowl 221
On open up notch section so that forming the clearance space between the magnetic bowl 221 and the frame 21.Preferably, the leakage
Hole 25 is arranged close to the acoustic aperture 121 out.
In order to avoid dust influences the acoustics of the loudspeaker enclosure 100 into the back cavity 20 from the air hole 24
Can, the loudspeaker monomer 2 further includes the Air Filter 26 for covering the air hole 24, and the Air Filter 26 is set to the magnetic circuit system
System 22 deviates from the side of the back cavity 20.In the present embodiment, the Air Filter 26 is attached at the upper surface of the magnetic bowl 221
And cover the air hole 24.
Loudspeaker enclosure 100 provided by the invention has the advantages that
The air hole 24 for running through the magnetic circuit system 22 by being arranged, when loudspeaker monomer 2 inverts in shell 1, institute
State out acoustic aperture of the back cavity air-flow between magnetic circuit system 22 and the vibrational system 23 by the air hole 24 and the shell 1
121 connections, and then be connected tos with external environment, keep the air-flow inside the loudspeaker monomer 2 more unobstructed, especially top dome 233 and
Air-flow between pole piece 223 improves the acoustical behavior of loudspeaker enclosure 100 so as to improve high frequency band；And the loudspeaker list
After the internal gas flow circulation of body 2 is unobstructed, it is more advantageous to heat dissipation, 2 thermal diffusivity of loudspeaker monomer is good；Loudspeaker enclosure of the invention
100 especially suitable for the loudspeaker with large scale loudspeaker monomer, and the air hole 24 being arranged through magnetic circuit system 22 is to described
The magnetic field influence of magnetic circuit system 22 is extremely small, and loss of sensitivity is small.
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 (9)
1. a kind of loudspeaker enclosure, including having the shell of accommodating space and being contained in the loudspeaker monomer of the shell, the loudspeaking
Device monomer includes frame, the magnetic circuit system being contained in the frame and is set to below the magnetic circuit system and connects with the frame
The vibrational system connect, the sound that the shell is equipped with for generating the vibrational system export going out to outside the loudspeaker enclosure
Acoustic aperture forms a back cavity between the magnetic circuit system and the vibrational system, the back cavity is communicated with the acoustic aperture out, feature
It is, the loudspeaker monomer further includes the air hole through the magnetic circuit system, and the air hole is communicated with the back cavity；Institute
Stating magnetic circuit system includes magnetic bowl, and the magnetic bowl includes the first through hole through its setting, which is the air hole,
The magnetic bowl and the shell interval are arranged to form a back chamber, and the back chamber is communicated with the acoustic aperture out, the air hole connection
The back cavity and the back chamber.
2. loudspeaker enclosure according to claim 1, which is characterized in that the air hole be equipped with it is multiple, it is multiple described ventilative
Hole is uniformly distributed.
3. loudspeaker enclosure according to claim 1, which is characterized in that the loudspeaker monomer further includes being connected to the back cavity
With the leak holes of the back chamber.
4. loudspeaker enclosure according to claim 3, which is characterized in that the magnetic bowl group is assigned at the top of the frame, and institute
The clearance space for being equipped between magnetic bowl and the frame and communicating with the back cavity is stated, which is the leak holes.
5. loudspeaker enclosure according to claim 4, which is characterized in that the magnetic bowl includes roof and connects with the roof
The magnetic bowl side wall of setting, the first through hole run through the intermediate region of the roof, and the magnetic bowl side wall is equipped with notch section, so that
The clearance space is formed between the magnetic bowl and the frame.
6. loudspeaker enclosure according to claim 1, which is characterized in that the magnetic circuit system further includes being attached under institute's magnetic bowl
The magnet steel on surface, the magnet steel include the second through-hole through its setting, and second through-hole and the first through hole are coaxially set
It sets and is mutually communicated and collectively form the air hole.
7. loudspeaker enclosure according to claim 6, which is characterized in that the magnetic circuit system further includes being attached at the magnet steel
The pole piece of lower surface, the pole piece include the third through-hole through its setting, the third through-hole, the second through-hole and first through hole
It is coaxially disposed and is mutually communicated and collectively form the air hole.
8. loudspeaker enclosure according to claim 7, which is characterized in that the loudspeaker monomer further includes that covering is described ventilative
The Air Filter in hole, the Air Filter are set to the side that the magnetic circuit system deviates from the back cavity.
9. loudspeaker enclosure according to any one of claims 1 to 8, which is characterized in that the shell includes one side wall, institute
It states out acoustic aperture and is set to the side wall, and the central axis of the central axis and the air hole of acoustic aperture out is mutually perpendicular to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610581244.2A CN106162425B (en) | 2016-07-21 | 2016-07-21 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610581244.2A CN106162425B (en) | 2016-07-21 | 2016-07-21 | Loudspeaker enclosure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106162425A CN106162425A (en) | 2016-11-23 |
| CN106162425B true CN106162425B (en) | 2019-08-02 |
Family
ID=58060266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610581244.2A Expired - Fee Related CN106162425B (en) | 2016-07-21 | 2016-07-21 | Loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106162425B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110278517A (en) * | 2019-07-16 | 2019-09-24 | 瑞声光电科技(常州)有限公司 | speaker box |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055601A (en) * | 2017-11-20 | 2018-05-18 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108810770B (en) * | 2018-08-06 | 2021-07-23 | 歌尔股份有限公司 | Acoustic generator |
| CN209170614U (en) * | 2019-01-16 | 2019-07-26 | 歌尔科技有限公司 | Sounding device and earphone |
| CN110602614B (en) * | 2019-09-09 | 2021-05-25 | Oppo广东移动通信有限公司 | Sound generators and electronic equipment |
| CN211019207U (en) * | 2019-12-04 | 2020-07-14 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN212572937U (en) * | 2020-06-02 | 2021-02-19 | 瑞声科技(沭阳)有限公司 | Loudspeaker box |
| CN115022781B (en) * | 2021-09-03 | 2025-08-29 | 北京荣耀终端有限公司 | Core, speaker module and electronic device |
| CN114205694B (en) * | 2021-12-21 | 2025-12-23 | 瑞声光电科技(常州)有限公司 | A loudspeaker |
| WO2025065578A1 (en) * | 2023-09-28 | 2025-04-03 | 瑞声科技（南京）有限公司 | Loudspeaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201663683U (en) * | 2010-01-18 | 2010-12-01 | 瑞声声学科技(常州)有限公司 | Sounder device |
| CN201699964U (en) * | 2010-05-25 | 2011-01-05 | 瑞声声学科技(深圳)有限公司 | Electromagnetic loudspeaker |
| CN202310078U (en) * | 2011-10-13 | 2012-07-04 | 瑞声光电科技(常州)有限公司 | speaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9131304B2 (en) * | 2012-06-20 | 2015-09-08 | Panasonic Intellectual Property Management Co., Ltd. | Loudspeaker and equipment including the same |
-
2016
- 2016-07-21 CN CN201610581244.2A patent/CN106162425B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201663683U (en) * | 2010-01-18 | 2010-12-01 | 瑞声声学科技(常州)有限公司 | Sounder device |
| CN201699964U (en) * | 2010-05-25 | 2011-01-05 | 瑞声声学科技(深圳)有限公司 | Electromagnetic loudspeaker |
| CN202310078U (en) * | 2011-10-13 | 2012-07-04 | 瑞声光电科技(常州)有限公司 | speaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110278517A (en) * | 2019-07-16 | 2019-09-24 | 瑞声光电科技(常州)有限公司 | speaker box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106162425A (en) | 2016-11-23 |
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