CN105357615A - Loudspeaker and diaphragm thereof - Google Patents
Loudspeaker and diaphragm thereof Download PDFInfo
- Publication number
- CN105357615A CN105357615A CN201510891111.0A CN201510891111A CN105357615A CN 105357615 A CN105357615 A CN 105357615A CN 201510891111 A CN201510891111 A CN 201510891111A CN 105357615 A CN105357615 A CN 105357615A
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- China
- Prior art keywords
- diaphragm
- arc convex
- convex portion
- vibrating diaphragm
- vibrating
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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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The invention discloses a diaphragm. The diaphragm comprises a vibrating diaphragm, the vibrating diaphragm is a silica gel vibrating diaphragm, the vibrating diaphragm comprises a folding ring portion and an edge portion disposed outside the folding ring portion, and the folding ring portion comprises a first arc projection. It can be known from the description that in the diaphragm provided by the invention, since the vibrating diaphragm is made of a silica gel material and the silica gel vibrating diaphragm has excellent high-temperature-resistant performance and elastic performance, the vibrating diaphragm can be deformed beyond a preset scope. The linearity scope of elasticity when a loudspeaker product vibrates is enlarged, product vibration is more balanced, the linear stretching scope of the product in case of large amplitude is improved, and the distortion when the vibrating diaphragm vibrates is substantially reduced. The invention further discloses a loudspeaker comprising the diaphragm.
Description
Technical field
The present invention relates to electroacoustic switch technology field, particularly a kind of diaphragm of loud speaker.The invention still further relates to a kind of loud speaker comprising above-mentioned diaphragm.
Background technology
Along with science and technology constantly progress, people pursue more and more higher to the design of the electronic equipment such as mobile phone, panel computer, and its thickness is more and more thinner, and the installing space therefore leaving loud speaker for diminishes gradually, but the requirement of people to tonequality is more and more higher.
The vibrating diaphragm of the vibrational system of traditional loud speaker is composite membrane, is specially multilayer PEEK poly (ether ether ketone) film material, and PAR polyarylate thin-film material or PU polyurethane film material add glue-line and form, and is a kind ofly to be compound to structure of composite membrane together by multilayer material
But, because vibrating diaphragm is for being multilayer PEEK poly (ether ether ketone) film material, PAR polyarylate thin-film material or PU polyurethane film material add the composite membrane that glue-line is formed, vibrating diaphragm flexible range of linearity when vibrating of this composite material is less, easy generation unbalance vibration, product exceeds linear stretch scope when large amplitude, causes the distortion of vibrating diaphragm higher.
Therefore, how reducing distortion during diaphragm oscillations, is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
The object of this invention is to provide a kind of diaphragm of loud speaker, to improve distortion when reducing vibration.Another object of the present invention is to provide a kind of loud speaker comprising above-mentioned diaphragm.
For achieving the above object, the invention provides a kind of diaphragm, comprise vibrating diaphragm, described vibrating diaphragm is silica gel vibrating diaphragm, and described vibrating diaphragm comprises ring portion and is positioned at the edge part outside described ring portion, and described ring portion comprises the first arc convex portion.
Preferably, the ball top be fixedly connected with described edge part is also comprised.
Preferably, described ring portion also comprises one end and is connected with described first arc convex portion, the second arc convex portion that the other end is connected with described edge part, described first arc convex portion and described second arc convex portion are circular arc, and described first arc convex portion radius is greater than described second arc convex portion radius, described first arc convex portion and described second arc convex portion oppositely protruding.
Preferably, described second arc convex portion is two, and two described second arc convex portions lay respectively at described first relative both sides, arc convex portion.
Preferably, the raised points in described first arc convex portion is positioned at above described ball top.
Preferably, the raised points in described second arc convex portion is positioned at above described ball top.
Preferably, described vibrating diaphragm thickness is reduced to center gradually by edge.
Preferably, also comprise the multiple reinforcements on described first arc convex being arranged on described vibrating diaphragm four fillet places, multiple described reinforcement and described vibrating diaphragm are integral type structure.
Preferably, described vibrating diaphragm and described ball top are integral type structure.
A kind of loud speaker, comprise strutting piece frame and be arranged on the diaphragm in described strutting piece frame, described diaphragm is the diaphragm described in above-mentioned any one.
In technique scheme, diaphragm provided by the invention comprises vibrating diaphragm, and wherein, vibrating diaphragm is silica gel vibrating diaphragm, the edge part that vibrating diaphragm comprises ring portion and is positioned at outside ring portion, and ring portion comprises the first arc convex portion.Known by foregoing description, in diaphragm provided by the invention, because vibrating diaphragm is the vibrating diaphragm of silica gel material, pellosil has excellent resistance to elevated temperatures and elastic performance, make vibrating diaphragm exceeding preset range internal strain, improve flexible range of linearity when speaker product vibrates, product is vibrated and more balances, improve product linear stretch scope when large amplitude, product distortion significantly reduces.
Accompanying drawing explanation
The structural representation of a kind of vibrating diaphragm that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the another kind of vibrating diaphragm that Fig. 2 provides for the embodiment of the present invention;
The first embodiment of the diaphragm that Fig. 3 provides for the embodiment of the present invention;
The second embodiment of the diaphragm that Fig. 4 provides for the embodiment of the present invention;
The third embodiment of the diaphragm that Fig. 5 provides for the embodiment of the present invention;
4th kind of embodiment of the diaphragm that Fig. 6 provides for the embodiment of the present invention;
5th kind of embodiment of the diaphragm that Fig. 7 provides for the embodiment of the present invention;
6th kind of embodiment of the diaphragm that Fig. 8 provides for the embodiment of the present invention;
7th kind of embodiment of the diaphragm that Fig. 9 provides for the embodiment of the present invention;
8th kind of embodiment of the diaphragm that Figure 10 provides for the embodiment of the present invention;
9th kind of embodiment of the diaphragm that Figure 11 provides for the embodiment of the present invention;
Tenth kind of embodiment of the diaphragm that Figure 12 provides for the embodiment of the present invention;
11 kind of embodiment of the diaphragm that Figure 13 provides for the embodiment of the present invention;
12 kind of embodiment of the diaphragm that Figure 14 provides for the embodiment of the present invention;
The structural representation of a kind of loud speaker that Figure 15 provides for the embodiment of the present invention;
The structural representation of the another kind of loud speaker that Figure 16 provides for the embodiment of the present invention.
Wherein in Fig. 1-16: 1-edge part, 2-first arc convex portion, 3-second arc convex portion, 4-ball top, 5-voice coil loudspeaker voice coil, 6-strutting piece frame, 7-magnetic circuit system, 8-reinforcement.
Embodiment
Core of the present invention is to provide a kind of diaphragm of loud speaker, to improve distortion when reducing vibration.Another core of the present invention is to provide a kind of loud speaker comprising above-mentioned diaphragm.
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with drawings and embodiments, the present invention is described in further detail.
Please refer to Fig. 1 to Figure 16, in a kind of embodiment, diaphragm provided by the invention comprises vibrating diaphragm, wherein, vibrating diaphragm is silica gel vibrating diaphragm, vibrating diaphragm comprises ring portion and is positioned at the edge part 1 outside ring portion, and ring portion comprises the first arc convex portion 2, concrete, this ring portion comprises a first arc convex portion 2, for the ease of processing the first arc convex portion 2, preferably, the first arc convex portion 2 shape is arc-shaped convex.Preferably, this diaphragm is the diaphragm of Microspeaker.
Known by foregoing description, in the diaphragm that the specific embodiment of the invention provides, because vibrating diaphragm is the vibrating diaphragm of silica gel material, pellosil has excellent resistance to elevated temperatures and elastic performance, make vibrating diaphragm exceeding preset range internal strain, improve flexible range of linearity when speaker product vibrates, product is vibrated and more balances, improve product linear stretch scope when large amplitude, product distortion significantly reduces.Namely the linear and symmetry of the diaphragm oscillations based on silica gel is used effectively to be promoted, reduce the f0 of product, effectively can promote the performance that Microspeaker works under little back of the body chamber, high power environment, also can improve the high reliability of mobile phone under using SmartPA to drive the large amplitude work brought after Microspeaker and low distortion performance.Because diaphragm oscillations more balances, product reliability improves a lot, and works under being supported in large voltage and large amplitude.Diaphragm can meet current line sparetime university power, large volume and demand, particularly meet the requirement of industry low distortion.
Wherein, this diaphragm also comprises the ball top 4 be fixedly connected with edge part 1, namely this diaphragm is ball top 4 formula diaphragm, concrete, edge part 1 can be bonding by glue with the side on the lower surface on the upper surface on ball top 4, ball top 4 or ball top 4, and the side on ball top 4 is provided with diaphragm or both sides are respectively equipped with a diaphragm.For the ease of staff's machined diaphragm, preferably, vibrating diaphragm and ball top 4 are integral type structure.
Further, ring portion also comprises one end and is connected with the first arc convex portion 2, the second arc convex portion 3 that the other end is connected with edge part 1, first arc convex portion 2 and the second arc convex portion 3 are circular arc, and the first arc convex portion 2 radius is greater than the second arc convex portion 3 radius, the first arc convex portion 2 and the second arc convex portion 3 are oppositely protruding.Concrete, as Fig. 7 to Figure 14, second arc convex portion 3 is one, when diaphragm is ball top 4 formula diaphragm, the raised points in the first arc convex portion 2 is positioned at above ball top 4, and so the raised points in the second arc convex portion 3 is positioned at below ball top 4, concrete, the edge part 1 that second arc convex portion 3 is connected is connected with ball top 4, or is connected with ball top 4 with the edge part 1 that the first arc convex portion 2 is connected.Edge part 1 can be connected with the upper surface on ball top 4 or lower surface.By arranging the second arc convex portion 3, further increase flexible range of linearity when speaker product vibrates, product is vibrated and more balances, improve product linear stretch scope when large amplitude, product distortion significantly reduces.
Preferably, as shown in Figures 3 to 6, the second arc convex portion 3 is two, and two the second arc convex portions 3 lay respectively at both sides relatively, the first arc convex portion 2.When diaphragm is ball top type diaphragm, the raised points in the first arc convex portion 2 is positioned at above ball top 4, so the raised points in the second arc convex portion 3 is positioned at below ball top 4, concrete, the edge part 1 that second arc convex portion 3 is connected is connected with ball top 4, or is connected with ball top 4 with the edge part 1 that the first arc convex portion 2 is connected.Edge part 1 can be connected with the upper surface on ball top 4 or lower surface.By arranging two the second arc convex portions 3, further improve flexible range of linearity when speaker product vibrates, product is vibrated and more balances, improve product linear stretch scope when large amplitude, product distortion significantly reduces further.
In order to reduce vibrating diaphragm distortion further, preferably, vibrating diaphragm thickness is reduced to center gradually by edge, so that the first arc convex portion 2 and/or the second arc convex portion 3 deformation.
Further, this diaphragm also comprises the multiple reinforcements 8 be arranged on first arc convex 2 at vibrating diaphragm four fillet places, and multiple reinforcement 8 is integral type structure with vibrating diaphragm.Concrete, the number of reinforcement 8 is determined according to the concrete size of diaphragm and performance, and the application is not specifically limited, and by arranging reinforcement 8, effectively improves the acoustical behavior of loud speaker.
A kind of loud speaker, the diaphragm comprising voice coil loudspeaker voice coil 5, magnetic circuit system 7, strutting piece frame 6 and be arranged in strutting piece frame 6, strutting piece frame 6 is for supporting magnetic circuit system 7 and voice coil loudspeaker voice coil 5, concrete, in diaphragm, the edge part 1 of vibrating diaphragm is adhesively fixed by glue with strutting piece frame 6, and magnetic circuit system 7 forms the magnetic gap holding voice coil loudspeaker voice coil 5 the latter half.Voice coil loudspeaker voice coil 5 has two wires draw and be welded on the pad of strutting piece frame 6.By connecting line be voice coil loudspeaker voice coil 5 pass into alternating current time, voice coil loudspeaker voice coil 5 in magnetic gap because of electromagnetic induction by Ampere force affects up-down vibration, promote the vibrating diaphragm up-down vibration bonding with voice coil loudspeaker voice coil 5, vibrating diaphragm promote air produce sound.Wherein, diaphragm is any one diaphragm above-mentioned, and other device is prior art, repeats no more herein.Wherein the manufacture method of loud speaker comprises the following steps: in mould, one, add injection moulding silica gel by vibrating diaphragm injection mo(u)lding; Two, diaphragm is formed with glue by bonding with vibrating diaphragm for ball top 4 formation diaphragm or by ball top 4 and vibrating diaphragm integrated injection molding; Three, with glue, diaphragm is bonding with voice coil loudspeaker voice coil 5, form vibrational system; Four, vibrational system, frame and magnetic circuit system 7 is assembled into Microspeaker from top to bottom successively.The manufacture method of this kind of loud speaker, the forming method of vibrating diaphragm is simple and easy, process control, and homogeneity of product is high.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a diaphragm, is characterized in that, comprises vibrating diaphragm, and described vibrating diaphragm is silica gel vibrating diaphragm, and described vibrating diaphragm comprises ring portion and is positioned at the edge part (1) outside described ring portion, and described ring portion comprises the first arc convex portion (2).
2. diaphragm according to claim 1, is characterized in that, also comprises the ball top (4) be fixedly connected with described edge part (1).
3. diaphragm according to claim 2, it is characterized in that, described ring portion also comprises one end and is connected with described first arc convex portion (2), the second arc convex portion (3) that the other end is connected with described edge part (1), described first arc convex portion (2) and described second arc convex portion (3) are circular arc, and described first arc convex portion (2) radius is greater than described second arc convex portion (3) radius, described first arc convex portion (2) and described second arc convex portion (3) are oppositely protruding.
4. diaphragm according to claim 3, is characterized in that, described second arc convex portion (3) is two, and two described second arc convex portions (3) lay respectively at both sides relatively, described first arc convex portion (2).
5. diaphragm according to claim 3, is characterized in that, the raised points in described first arc convex portion (2) is positioned at described ball top (4) top.
6. diaphragm according to claim 1, is characterized in that, the raised points in described second arc convex portion (3) is positioned at described ball top (4) top.
7. diaphragm according to claim 1, is characterized in that, described vibrating diaphragm thickness is reduced to center gradually by edge.
8. diaphragm according to claim 1, it is characterized in that, also comprise the multiple reinforcements (8) be arranged on described first arc convex (2) at described vibrating diaphragm four fillet places, multiple described reinforcement (8) and described vibrating diaphragm are integral type structure.
9. the diaphragm according to any one of claim 2-8, is characterized in that, described vibrating diaphragm and described ball top (4) are integral type structure.
10. a loud speaker, comprises strutting piece frame (6) and is arranged on the diaphragm on described strutting piece frame (6), it is characterized in that, the diaphragm of described diaphragm according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510891111.0A CN105357615A (en) | 2015-12-04 | 2015-12-04 | Loudspeaker and diaphragm thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510891111.0A CN105357615A (en) | 2015-12-04 | 2015-12-04 | Loudspeaker and diaphragm thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105357615A true CN105357615A (en) | 2016-02-24 |
Family
ID=55333450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510891111.0A Pending CN105357615A (en) | 2015-12-04 | 2015-12-04 | Loudspeaker and diaphragm thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105357615A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106954146A (en) * | 2017-05-16 | 2017-07-14 | 深圳精拓创新科技有限公司 | Silica gel vibrating diaphragm package assembly and preparation method for loudspeaker |
| CN107465981A (en) * | 2017-08-31 | 2017-12-12 | 歌尔股份有限公司 | Vibrating diaphragm and loudspeaker monomer for loudspeaker |
| WO2018035720A1 (en) * | 2016-08-23 | 2018-03-01 | 深圳市音沃仕科技有限公司 | Diaphragm |
| CN107809712A (en) * | 2017-12-22 | 2018-03-16 | 奥音新材料（镇江）有限公司 | A kind of good diaphragm of loudspeaker of stability |
| WO2018177035A1 (en) * | 2017-03-31 | 2018-10-04 | 山东共达电声股份有限公司 | Loudspeaker |
| WO2020220704A1 (en) * | 2019-04-30 | 2020-11-05 | 歌尔股份有限公司 | Diaphragm, loudspeaker, and loudspeaker module |
| CN112261546A (en) * | 2020-09-27 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
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| CN1700809A (en) * | 2004-05-18 | 2005-11-23 | 日本先锋公司 | Dome-shaped diaphragm and speaker |
| CN104519446A (en) * | 2013-09-30 | 2015-04-15 | 扬州拓声电子科技有限公司 | Mini speaker |
| CN104936105A (en) * | 2015-07-14 | 2015-09-23 | 山东共达电声股份有限公司 | Electronic equipment and loudspeaker thereof |
| WO2016150197A1 (en) * | 2015-03-21 | 2016-09-29 | 歌尔声学股份有限公司 | Diaphragm assembly and loudspeaker having same |
-
2015
- 2015-12-04 CN CN201510891111.0A patent/CN105357615A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1700809A (en) * | 2004-05-18 | 2005-11-23 | 日本先锋公司 | Dome-shaped diaphragm and speaker |
| CN104519446A (en) * | 2013-09-30 | 2015-04-15 | 扬州拓声电子科技有限公司 | Mini speaker |
| WO2016150197A1 (en) * | 2015-03-21 | 2016-09-29 | 歌尔声学股份有限公司 | Diaphragm assembly and loudspeaker having same |
| CN104936105A (en) * | 2015-07-14 | 2015-09-23 | 山东共达电声股份有限公司 | Electronic equipment and loudspeaker thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018035720A1 (en) * | 2016-08-23 | 2018-03-01 | 深圳市音沃仕科技有限公司 | Diaphragm |
| WO2018177035A1 (en) * | 2017-03-31 | 2018-10-04 | 山东共达电声股份有限公司 | Loudspeaker |
| CN106954146A (en) * | 2017-05-16 | 2017-07-14 | 深圳精拓创新科技有限公司 | Silica gel vibrating diaphragm package assembly and preparation method for loudspeaker |
| CN107465981A (en) * | 2017-08-31 | 2017-12-12 | 歌尔股份有限公司 | Vibrating diaphragm and loudspeaker monomer for loudspeaker |
| CN107465981B (en) * | 2017-08-31 | 2020-07-24 | 歌尔股份有限公司 | Vibrating diaphragm for loudspeaker and loudspeaker monomer |
| CN107809712A (en) * | 2017-12-22 | 2018-03-16 | 奥音新材料（镇江）有限公司 | A kind of good diaphragm of loudspeaker of stability |
| WO2020220704A1 (en) * | 2019-04-30 | 2020-11-05 | 歌尔股份有限公司 | Diaphragm, loudspeaker, and loudspeaker module |
| CN112261546A (en) * | 2020-09-27 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160224 |