CN109104675A - A kind of vibrating diaphragm, loudspeaker vibrational system and loudspeaker - Google Patents
A kind of vibrating diaphragm, loudspeaker vibrational system and loudspeaker Download PDFInfo
- Publication number
- CN109104675A CN109104675A CN201810770276.6A CN201810770276A CN109104675A CN 109104675 A CN109104675 A CN 109104675A CN 201810770276 A CN201810770276 A CN 201810770276A CN 109104675 A CN109104675 A CN 109104675A
- Authority
- CN
- China
- Prior art keywords
- vibrating diaphragm
- voice coil
- loudspeaker
- adhesive
- described hole
- 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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
This application discloses a kind of vibrating diaphragm, loudspeaker vibrational system and loudspeakers, the vibrating diaphragm is for the vibrational system in loudspeaker, the vibrational system includes the vibrating diaphragm and the voice coil positioned at first side of vibrating diaphragm, the first end face of the voice coil is bonded with the surface of first side of the vibrating diaphragm, first side of the vibrating diaphragm includes the first area connecting with the voice coil, hole is arranged in the first area, when the vibrating diaphragm is connect with the voice coil, the first area surface is coated with adhesive, and adhesive is filled in described hole.By the above-mentioned means, the application can enhance the binding force between vibrating diaphragm and voice coil.
Description
Technical field
This application involves speaker technology fields, more particularly to a kind of vibrating diaphragm, loudspeaker vibrational system and loudspeaker.
Background technique
Loudspeaker is also known as " loudspeaker ", is a kind of energy transducer for electric signal being changed into acoustical signal, is common in the electricity of sounding
Sub- electrical equipment.
Loudspeaker generally comprises vibrational system and magnetic circuit system, and magnetic circuit system includes main magnet and is arranged around main magnet
Side magnet, main magnet and side magnet constitute magnetic gap；Vibrational system includes vibrating diaphragm and the voice coil for being incorporated into vibrating diaphragm side, and voice coil is set
It is placed in magnetic gap.When passing through tone currents in loudspeaker, be set to the voice coil in magnetic gap under the action of a magnetic force on
Lower vibration, and then drive diaphragm oscillations sounding.
Present inventor has found in long-term R&D process, in the prior art, passes through glue between vibrating diaphragm and voice coil
Glutinous agent bonds together, and often will appear showing for the Nian Jie shakiness of degumming with continuing on for loudspeaker, between vibrating diaphragm and voice coil
As seriously threatening the service life of loudspeaker.
Summary of the invention
The application, can mainly solving the technical problems that provide a kind of vibrating diaphragm, loudspeaker vibrational system and loudspeaker
Enhance the binding force between vibrating diaphragm and voice coil.
In order to solve the above technical problems, the technical solution that the application uses is: providing a kind of vibrating diaphragm, be used for loudspeaker
In vibrational system, the vibrational system includes the vibrating diaphragm and the voice coil positioned at first side of vibrating diaphragm, the of the voice coil
One end face is bonded with the surface of first side of the vibrating diaphragm, and first side of the vibrating diaphragm includes connecting with the voice coil
First area, hole is arranged in the first area, when the vibrating diaphragm is connect with the voice coil, the first area surface painting
It is covered with adhesive, and is filled with adhesive in described hole.
In order to solve the above technical problems, another technical solution that the application uses is: providing a kind of loudspeaker vibration
System, the vibrational system include voice coil and any of the above-described vibrating diaphragm as described in the examples, the first area of the vibrating diaphragm
Surface is coated with adhesive, and adhesive is filled in described hole, so that the vibrating diaphragm is connect with the voice coil.
In order to solve the above technical problems, another technical solution that the application uses is: a kind of loudspeaker is provided, it is described to raise
Sound device includes vibrational system described in magnetic circuit system and above-described embodiment.
The beneficial effect of the application is: being in contrast to the prior art, the first side packet of vibrating diaphragm provided herein
The first area connecting with voice coil in loudspeaker is included, which is arranged hole, when which connect with voice coil, vibrating diaphragm
First area surface is coated with adhesive, and adhesive is filled in hole.Bolt is equivalent to after being filled with adhesive in hole
Effect enhance the service life of loudspeaker to improve the binding force between vibrating diaphragm and voice coil.
In another application scenarios, vibrating diaphragm is made of multilayer film, and hole runs through multilayer film, is filled with adhesive in hole
Afterwards, in addition to the effect of binding force between above-mentioned raising vibrating diaphragm and voice coil, moreover it is possible to keep the structure of multilayer film more firm.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, 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.Wherein:
Fig. 1 is the structural schematic diagram of one embodiment of the application loudspeaker；
Fig. 2 is the structural schematic diagram of one embodiment of the application vibrating diaphragm；
Fig. 3 is the structural schematic diagram that the application loudspeaker vibration system unifies embodiment；
Fig. 4 is the diagrammatic cross-section that vibration system unifies embodiment in Fig. 3；
Fig. 5 is the structural schematic diagram of another embodiment of vibrating diaphragm in Fig. 2；
Fig. 6 is the structural schematic diagram of another embodiment of vibrating diaphragm in Fig. 2.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, rather than whole embodiments.Based on this
Embodiment in application, those of ordinary skill in the art are obtained every other under the premise of not making creative labor
Embodiment shall fall in the protection scope of this application.
Referring to Fig. 1, Fig. 1 is the perspective view of the explosion of one embodiment of the application loudspeaker.Loudspeaking provided herein
Device can be used for electronic equipment such as earphone, speaker, law-enforcing recorder, intercom, mobile phone (such as three proofings mobile phone), tablet computer.This
Loudspeaker 1 provided by applying includes vibrational system 10 and magnetic circuit system 12.In one embodiment, magnetic circuit system 12 includes
Main magnet 120 and the side magnet 122 being arranged around main magnet 120, main magnet 120 and side magnet 122 constitute magnetic gap 124.?
In another embodiment, vibrational system 10 includes vibrating diaphragm 100 and voice coil 102, wherein voice coil 102 is located at the first of vibrating diaphragm 100
Side 1000 (i.e. close to the side of magnetic circuit system 12), and 1000 table of the first side of the first end face 1020 of voice coil 102 and vibrating diaphragm 100
Face paste is closed, and voice coil 102 is set in the magnetic gap 124 of magnetic circuit system 12.When passing through tone currents in loudspeaker 1, it is set to
Voice coil 102 in magnetic gap 124 vibrates up and down under the action of a magnetic force, and then drives 100 vibration sounding of vibrating diaphragm.In other realities
It applies in mode, loudspeaker 1 provided herein further includes other, such as the dustproof cover at 100 second side 1002 of vibrating diaphragm
13 etc., wherein second side 1002 and the first side 1000 are opposite.
It should be noted that the vibrating diaphragm 100 in vibrational system 10 and vibrational system 10 provided in the application can be made
It is independent component or element.
- Fig. 3 referring to Figure 2 together, wherein Fig. 2 is the structural schematic diagram of one embodiment of the application vibrating diaphragm, and Fig. 3 is this
Application vibration system unifies the structural schematic diagram of embodiment.First side 1000 of vibrating diaphragm 100 provided herein includes and sound
The first area 20 of 102 connection of circle, hole 22, when vibrating diaphragm 100 is connect with voice coil 102, first area is arranged in first area 20
20 surfaces are coated with adhesive 220, and adhesive 220 is filled in hole 22.
In one embodiment, as shown in figure 4, Fig. 4 is the diagrammatic cross-section that vibration system unifies embodiment in Fig. 3.
Hole 22 runs through the first area 20 of vibrating diaphragm 100, is filled with adhesive 220, such as common adhesive (acrylic acid in hole 22
Ester adhesive, epoxyn, epoxyn, polyimides base adhesive, gathers cyanacrylate adhesive
Imide adhesive, adhesive for polyurethane etc.).In an application scenarios, when vibrating diaphragm 100 includes graphene material, glue
It include graphene adhesive in glutinous agent 220.
In another embodiment, please continue to refer to Fig. 2 and Fig. 4, vibrating diaphragm 100 provided herein includes central part
24 and around central part 24 be arranged ring portion 26.Specifically, central part 24 includes top dome portion 240 and sets around top dome portion 240
The interconnecting piece 242 set, top dome portion 240 are the spherical projection far from 102 direction of voice coil, and interconnecting piece 242 includes connecting with voice coil 102
First area 20.Ring portion 26 includes along the horizontal-extending extension 260 in the outside of central part 24, and from 260 court of extension
To voice coil 102 extend fixed part 262, fixed part 262 be used for other assemblies (for example, magnetic circuit system 12 of loudspeaker 1) into
Row is fixed.The material in ring portion 26 is metal or nonmetallic.
In another embodiment, vibrating diaphragm 100 provided herein can be for monofilm or multilayer film (i.e. at least
Two membranes, such as two membranes, trilamellar membrane, four tunics etc.).Hole 22 runs through above-mentioned monofilm or multilayer film, and inside hole 22
Fill adhesive 220.On the one hand, filled with the effect of bolt is equivalent to after adhesive 220 in hole 22, to improve vibrating diaphragm
Binding force between 100 and voice coil 102 enhances the service life of loudspeaker 1；On the other hand, when vibrating diaphragm 100 is multilayer film
When, for example, vibrating diaphragm 100 be graphene material when, since the size of graphene is usually nanoscale, formed by multi-layer graphene
Vibrating diaphragm 100 often will appear the phenomenon that interlaminar separation, and at this time filled with the knot that can make multilayer film after adhesive 220 in hole 22
Structure is more firm.
In an application scenarios, the material of each tunic of vibrating diaphragm 100 can be single material, for example, inorganic material
(for example, graphene etc.) or organic material are (for example, polyether-ether-ketone PEEK, polyethylene terephthalate PET, poly- aryl acid esters
Or polyarylate PAR, polyimides PI or light-sensitive emulsion UV glue etc.).Alternatively, the material of each tunic of vibrating diaphragm 100 be also possible to it is compound
Material, such as the composite that graphene and polyether-ether-ketone PEEK are formed, or, poly- aryl acid esters or polyarylate PAR and polyamides are sub-
The composite etc. that amine PI is formed, the application is not construed as limiting this.In another application scenarios, when vibrating diaphragm 100 is multilayer film
When, one layer of vibrating diaphragm can be first prepared, another vibrating diaphragm is then formed by deposition or other modes on this layer of vibrating diaphragm, or,
It first can respectively prepare and complete multiple independent vibrating diaphragms, then using the method for bonding or lamination, multiple vibrating diaphragm is formed
One is whole.In one specifically application scenarios, as shown in figure 4, vibrating diaphragm 100 includes the first vibrating diaphragm 100a and the second vibrating diaphragm
100b, the second vibrating diaphragm 100b are the structure of intermediate hollow out, the structure of hollow out among the first vibrating diaphragm 100a the second vibrating diaphragm of covering 100b.
In other application scenarios, the structure of the application vibrating diaphragm can also be other, for example, referring to Fig. 5, vibrating diaphragm 100 shakes including third
Film 100c and the 4th vibrating diaphragm 100d, third vibrating diaphragm 100c and the 4th vibrating diaphragm 100d are complete overall structure.
In another embodiment, the section of the hole 22 can be round, rectangle or other polygons etc., this Shen
Please this is not construed as limiting.The generation type of hole 22 include it is a variety of, the application is not construed as limiting this, for example, can be in vibrating diaphragm 100
After the completion of preparation, hole 22 is formed on vibrating diaphragm 100 using punch device or other means；In another example can be in vibrating diaphragm 100
During formation, hole 22 is formed while forming vibrating diaphragm 100 using mold or other means.
In another embodiment, to be easy to process, referring to Fig. 4, the diameter d1 of hole 22 is less than or equal to and hole
Diameter d2 at the first end face 1020 of 22 corresponding voice coils 102.
In another embodiment, the number at least two (for example, 2,8,12 etc.) of hole 22, at least two
A hole 22 is evenly distributed on first area 20.For example, the number of hole 22 is N, wherein N >=2, respectively the first hole and
In the line and the second hole and vibrating diaphragm 100 at the center of the second hole adjacent with the first hole, the first hole and vibrating diaphragm 100
Angle between the line of the heart is 360 °/N.
In another embodiment, referring to Fig. 6, to further enhance the combination between vibrating diaphragm 100 and voice coil 102
Power, vibrating diaphragm 100 provided herein include second side 1002 opposite with the first side 1000, and hole 32 is through vibrating diaphragm 100
First side 1000 and second side 1002, when vibrating diaphragm 100 is connect with voice coil 102, adhesive fills the hole 32 and in second side
The positions of 1002 corresponding holes 32 form protrusion 30, in an application scenarios, protrusion 30 for hemisphere jut or square protruding or
Other kinds of protrusion etc., the application is not construed as limiting this, and the diameter d3 of protrusion 30 is more than or equal to the diameter d4 of hole 32.
To sum up, be in contrast to the prior art, the first side of vibrating diaphragm provided herein includes and loudspeaker
The first area of middle voice coil connection, which is arranged hole, when which connect with voice coil, the first area table of vibrating diaphragm
Face is coated with adhesive, and adhesive is filled in hole.Filled with the effect for being equivalent to bolt after adhesive in hole, thus
The binding force between vibrating diaphragm and voice coil is improved, the service life of loudspeaker is enhanced.In another application scenarios, vibrating diaphragm by
Multilayer film composition, hole run through multilayer film and remove binding force between above-mentioned raising vibrating diaphragm and voice coil after being filled with adhesive in hole
Effect outside, moreover it is possible to keep the structure of multilayer film more firm.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of vibrating diaphragm, for the vibrational system in loudspeaker, the vibrational system includes the vibrating diaphragm and is located at the vibrating diaphragm
The voice coil of first side, the first end face of the voice coil are bonded with the surface of first side of the vibrating diaphragm, which is characterized in that
First side of the vibrating diaphragm includes the first area connecting with the voice coil, and hole is arranged in the first area,
When the vibrating diaphragm is connect with the voice coil, the first area surface is coated with adhesive, and gluing is filled in described hole
Agent.
2. vibrating diaphragm according to claim 1, which is characterized in that described hole runs through the first area of the vibrating diaphragm.
3. vibrating diaphragm according to claim 1, which is characterized in that
The diameter of described hole is less than or equal to the diameter at the first end face of the voice coil corresponding with described hole.
4. vibrating diaphragm according to claim 1, which is characterized in that
The number at least two of described hole, at least two described holes are evenly distributed on the first area.
5. vibrating diaphragm according to claim 1, which is characterized in that
The vibrating diaphragm includes central part and around the ring portion of central part setting, and the central part includes top dome portion and surround
The interconnecting piece of the top dome portion setting, the top dome portion is the spherical projection far from the voice coil direction, and the interconnecting piece includes
The first area being connect with the voice coil.
6. vibrating diaphragm according to claim 1, which is characterized in that
The vibrating diaphragm is monofilm or multilayer film；
Or, the vibrating diaphragm includes graphene material, the adhesive includes graphene adhesive.
7. a kind of loudspeaker vibrational system, which is characterized in that the vibrational system includes any one of voice coil and claim 1-6
The vibrating diaphragm, the first area surface of the vibrating diaphragm is coated with adhesive, and adhesive is filled in described hole, with
So that the vibrating diaphragm is connect with the voice coil.
8. vibrational system according to claim 7, which is characterized in that the vibrating diaphragm further includes opposite with first side
Second side, first side and described second side of the described hole through the vibrating diaphragm, the adhesive fill described hole and
Protrusion is formed in the position that described second side corresponds to described hole.
9. vibrating diaphragm according to claim 8, which is characterized in that
The diameter of the protrusion is more than or equal to the diameter of described hole.
10. a kind of loudspeaker, which is characterized in that the loudspeaker includes magnetic circuit system and vibrational system as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770276.6A CN109104675A (en) | 2018-07-13 | 2018-07-13 | A kind of vibrating diaphragm, loudspeaker vibrational system and loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770276.6A CN109104675A (en) | 2018-07-13 | 2018-07-13 | A kind of vibrating diaphragm, loudspeaker vibrational system and loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109104675A true CN109104675A (en) | 2018-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810770276.6A Pending CN109104675A (en) | 2018-07-13 | 2018-07-13 | A kind of vibrating diaphragm, loudspeaker vibrational system and loudspeaker |
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| Country | Link |
|---|---|
| CN (1) | CN109104675A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110290448A (en) * | 2019-08-12 | 2019-09-27 | 陈林 | A kind of voice coil and vibrating diaphragm component |
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| US20130043090A1 (en) * | 2011-08-19 | 2013-02-21 | Kabushiki Kaisha Audio-Technica | Diaphragm of electric sound converter and its manufacturing method |
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| CN204362297U (en) * | 2014-08-12 | 2015-05-27 | 福建省辉锐材料科技有限公司 | A kind of vibrating diaphragm and ball top type loudspeaker |
| CN104811878A (en) * | 2015-05-05 | 2015-07-29 | 歌尔声学股份有限公司 | Speaker vibrating component and assembling method thereof |
| CN206620277U (en) * | 2016-08-02 | 2017-11-07 | 常州阿木奇声学科技有限公司 | A kind of vibrating diaphragm and the electroacoustic transducer including the vibrating diaphragm |
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|---|---|---|---|---|
| CN201533400U (en) * | 2009-10-19 | 2010-07-21 | 瑞声声学科技(常州)有限公司 | Vibration membrane and a sounder using the vibration membrane |
| US20130043090A1 (en) * | 2011-08-19 | 2013-02-21 | Kabushiki Kaisha Audio-Technica | Diaphragm of electric sound converter and its manufacturing method |
| CN103024638A (en) * | 2012-11-25 | 2013-04-03 | 歌尔声学股份有限公司 | Electroacoustic transducer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110290448A (en) * | 2019-08-12 | 2019-09-27 | 陈林 | A kind of voice coil and vibrating diaphragm component |
| WO2021026951A1 (en) * | 2019-08-12 | 2021-02-18 | 陈林 | Voice coil and diaphragm assembly |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20181228 |