CN105472513A - Voice diaphragm structure and sound production device using such voice diaphragm - Google Patents
Voice diaphragm structure and sound production device using such voice diaphragm Download PDFInfo
- Publication number
- CN105472513A CN105472513A CN201610011971.5A CN201610011971A CN105472513A CN 105472513 A CN105472513 A CN 105472513A CN 201610011971 A CN201610011971 A CN 201610011971A CN 105472513 A CN105472513 A CN 105472513A
- Authority
- CN
- China
- Prior art keywords
- membrane structure
- sound membrane
- voice coil
- counterweight circle
- connecting portion
- 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
-
- 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
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention relates to a voice diaphragm structure. The voice diaphragm structure comprises a globe roof and a balance weight ring, wherein the balance weight ring is fixed on the globe roof. According to the invention, the balance weight ring is embedded in or adhered to the globe roof, thus, the structure reduces a resonant frequency f0 while having no influence on frequency bandwidth, thereby guaranteeing performance of a sound production device.
Description
Technical field
The present invention relates to stereo set field, be specifically related to a kind of sound membrane structure and adopt the microphone device of this sound membrane structure.
Background technology
In recent years, along with the development of science and technology, especially the progress at full speed of mobile communication technology, increasing mobile electronic device appears in daily life, as smart mobile phone, panel computer, notebook computer and Rich media player have become the indispensable daily necessities of people.And in these mobile electronic devices, voice playing device is its inner requisite parts, the height of voice quality directly affects Consumer's Experience when user uses these mobile electronic devices.
Sound membrane structure is as the playing device of voice, and its structural design directly affects speech play quality.Sound membrane structure in correlation technique comprises magnetic circuit system and vibrational system, in vibrational system, when magnetic circuit system drives vibrational system vibration sounding, multiple elements of magnetic circuit system are in suspended state, make it produce in the vibration processes of vibrational system to wave, in varying degrees improve microphone device resonance frequency f
0, thus affect the performance of microphone device.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of reduction resonance frequency f
0sound membrane structure and adopt the microphone device of this sound membrane structure.
Sound membrane structure provided by the invention comprises ball top and counterweight circle, and described counterweight circle is fixed on described ball top.
In a kind of preferred embodiment of sound membrane structure provided by the invention, described counterweight circle adopts density range to be 2-23g/cm
3high density material make.
In a kind of preferred embodiment of sound membrane structure provided by the invention, described ball top comprises first surface and the second surface relative with described first surface, and described counterweight circle is fixed on described first surface or second surface.
In a kind of preferred embodiment of sound membrane structure provided by the invention, described first surface comprises first ring connected in star, and described counterweight circle is embedded in described first ring connected in star.
In a kind of preferred embodiment of sound membrane structure provided by the invention, described counterweight circle and described second surface are adhesively fixed.
In a kind of preferred embodiment of sound membrane structure provided by the invention, described second surface comprises the second annular groove, described counterweight circle comprises interconnective connecting portion and extension, described connecting portion is embedded at described second annular groove, described counterweight circle is connected with described ball top by described connecting portion, and described extension protrudes from described second surface away from one end of described connecting portion.
In a kind of preferred embodiment of sound membrane structure provided by the invention, described connecting portion and described extension integrated injection molding.
Microphone device involving vibrations system provided by the invention, described vibrational system comprises the voice coil loudspeaker voice coil of sound membrane structure motion as described in the sound membrane structure in above-described embodiment as described in any one and driving.
In a kind of preferred embodiment of microphone device provided by the invention, described counterweight circle is embedded in the first ring connected in star of described first surface, and described voice coil loudspeaker voice coil is connected with described second surface.
In a kind of preferred embodiment of microphone device provided by the invention, described second surface is located at by described counterweight circle, and described voice coil loudspeaker voice coil is connected with described counterweight circle one end away from described ball top.
Compared to correlation technique, sound membrane structure provided by the invention and adopt the microphone device of this sound membrane structure that counterweight circle is set a wherein side of ball top first surface and second surface, the counterweight circle being wherein arranged at second surface is connected with voice coil loudspeaker voice coil, and counterweight circle adopts density range to be 2-23g/cm
3high density material make, counterweight circle and ball top, by embedding or being adhesively fixed, while or else this structure affects frequency bandwidth, reduce resonance frequency f
0, thus ensure that the performance of microphone device.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the three-dimensional structure diagram of the first embodiment of sound membrane structure provided by the invention;
Fig. 2 is the profile along the membrane structure A-A of sound shown in Fig. 1 line;
Fig. 3 is the three-dimensional structure diagram of sound membrane structure the second embodiment provided by the invention;
Fig. 4 is the profile along the membrane structure B-B of sound shown in Fig. 3 line;
Fig. 5 is the three-dimensional structure diagram of the third embodiment of sound membrane structure provided by the invention;
Fig. 6 is the profile along the membrane structure C-C of sound shown in Fig. 5 line.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The present invention discloses a kind of microphone device, and described microphone device comprises magnetic circuit system and vibrational system, and described magnetic circuit system drives described vibrational system vibration sounding.
See also Fig. 1 and Fig. 2, wherein, Fig. 1 is the three-dimensional structure diagram of the first embodiment of sound membrane structure provided by the invention; Fig. 2 is the profile along the membrane structure A-A of sound shown in Fig. 1 line.Described vibrational system 1 comprises sound membrane structure 11 and voice coil loudspeaker voice coil 13, and the end winding support of described voice coil loudspeaker voice coil 13 is in described sound membrane structure 11.Described sound membrane structure 11 comprises ball top 111 and counterweight circle 113, and described ball top 111 comprises first surface 1111 away from described voice coil loudspeaker voice coil 13 and the second surface 1113 relative with first surface 1111, and described counterweight circle 113 is connected with described second surface 1113.
Further, one end of described counterweight circle 113 is connected to described second surface 1113, and the other end of described counterweight circle 113 is connected with the end of described voice coil loudspeaker voice coil 13.
Concrete, described counterweight circle 113 is adhesively fixed with described second surface 1113.
See also Fig. 3 and Fig. 4, wherein, Fig. 3 is the three-dimensional structure diagram of sound membrane structure the second embodiment provided by the invention; Fig. 4 is the profile along the membrane structure B-B of sound shown in Fig. 3 line.Described vibrational system 2 comprises sound membrane structure 21 and voice coil loudspeaker voice coil 23, and the end winding support of described voice coil loudspeaker voice coil 23 is in described sound membrane structure 21.Described sound membrane structure 21 comprises ball top 211 and counterweight circle 213, and described ball top 211 comprises first surface 2111 away from described voice coil loudspeaker voice coil 23 and the second surface 2113 relative with first surface 2111, and described counterweight circle 213 is connected with described second surface 2113.
Further, described second surface 2113 comprises the second annular groove 21131, described counterweight circle 213 comprises the connecting portion 2131 and extension 2133 that are connected to each other, described connecting portion 2131 is embedded at described second annular groove 21131, described counterweight circle 213 is connected with described ball top 211 by described connecting portion 2131, and described extension 2133 protrudes from described second surface 2113 away from one end of described connecting portion 2131.Described voice coil loudspeaker voice coil 23 is connected on the end away from connecting portion 2131 of extension 2133.
In the present embodiment, the face area of described connecting portion 2131 is greater than the face area with described extension 2133, makes the cross section of described counterweight circle 213 T-shaped, and, described connecting portion 2131 and described extension 2133 integrated injection molding.
See also Fig. 5 and Fig. 6, wherein, Fig. 5 is the three-dimensional structure diagram of sound membrane structure the second embodiment provided by the invention; Fig. 6 is the profile along the membrane structure C-C of sound shown in Fig. 5 line.Described vibrational system 3 comprises sound membrane structure 31 and voice coil loudspeaker voice coil 33, and described voice coil loudspeaker voice coil 33 is fixed on described sound membrane structure 31.Described sound membrane structure 31 comprises ball top 311 and counterweight circle 313, and described ball top 311 comprises first surface 3111 away from described voice coil loudspeaker voice coil 33 and the second surface 3113 relative with first surface 3111, and described counterweight circle 313 is connected with described first surface 3111.
Further, described first surface 3111 comprises first ring connected in star 31111, and described counterweight circle 313 is embedded in described first ring connected in star 31111.Voice coil loudspeaker voice coil 33 is fixedly connected with second surface 3113.
In above-mentioned three kinds of embodiments, described counterweight circle all adopts high density material to make, concrete, and the density range of high density material is 2-23g/cm
3; And described counterweight circle can be an overall loop configuration, or is coordinated the loop configuration formed by some parts.
In sum, sound membrane structure provided by the invention and adopt the microphone device of this sound membrane structure that counterweight circle is set a wherein side of ball top first surface and second surface, the counterweight circle being wherein arranged at second surface is connected with voice coil loudspeaker voice coil, and counterweight circle adopts density range to be 2-23g/cm
3high density material make, counterweight circle and ball top, by embedding or being adhesively fixed, while or else this structure affects frequency bandwidth, reduce resonance frequency f
0, thus ensure that the performance of microphone device.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a sound membrane structure, is characterized in that, described sound membrane structure comprises ball top and counterweight circle, and described counterweight circle is fixed on described ball top.
2. sound membrane structure according to claim 1, is characterized in that, described counterweight circle adopts density range to be 2-23g/cm
3high density material make.
3. sound membrane structure according to claim 1, is characterized in that, described ball top comprises first surface and the second surface relative with described first surface, and described counterweight circle is fixed on described first surface or second surface.
4. sound membrane structure according to claim 3, is characterized in that, described first surface comprises first ring connected in star, and described counterweight circle is embedded in described first ring connected in star.
5. sound membrane structure according to claim 3, is characterized in that, described counterweight circle and described second surface are adhesively fixed.
6. sound membrane structure according to claim 3, it is characterized in that, described second surface comprises the second annular groove, described counterweight circle comprises interconnective connecting portion and extension, described connecting portion is embedded at described second annular groove, described counterweight circle is connected with described ball top by described connecting portion, and described extension protrudes from described second surface away from one end of described connecting portion.
7. sound membrane structure according to claim 6, is characterized in that, described connecting portion and described extension integrated injection molding.
8. a microphone device, involving vibrations system, is characterized in that, described vibrational system comprises as profit requires the voice coil loudspeaker voice coil that as described in the sound membrane structure in 1-7 item as described in any one and driving, sound membrane structure is moved.
9. microphone device according to claim 8, is characterized in that, described counterweight circle is embedded in the first ring connected in star of described first surface, and described voice coil loudspeaker voice coil is connected with described second surface.
10. microphone device according to claim 8, is characterized in that, described second surface is located at by described counterweight circle, and described voice coil loudspeaker voice coil is connected with described counterweight circle one end away from described ball top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610011971.5A CN105472513B (en) | 2016-01-07 | 2016-01-07 | Using the microphone device of sound membrane structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610011971.5A CN105472513B (en) | 2016-01-07 | 2016-01-07 | Using the microphone device of sound membrane structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105472513A true CN105472513A (en) | 2016-04-06 |
| CN105472513B CN105472513B (en) | 2019-05-07 |
Family
ID=55609721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610011971.5A Expired - Fee Related CN105472513B (en) | 2016-01-07 | 2016-01-07 | Using the microphone device of sound membrane structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105472513B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862490A (en) * | 2018-12-30 | 2019-06-07 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN111083617A (en) * | 2019-12-20 | 2020-04-28 | 歌尔股份有限公司 | Sound production device and electronic equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2405389Y (en) * | 2000-02-03 | 2000-11-08 | 王海燕 | Loud speaker |
| KR20080085467A (en) * | 2007-03-20 | 2008-09-24 | 에스텍 주식회사 | Speaker |
| CN201365335Y (en) * | 2009-01-04 | 2009-12-16 | 嘉善豪声电子有限公司 | Composite material tweeter |
| CN202161073U (en) * | 2010-12-07 | 2012-03-14 | 嘉兴市佳宏电声科技有限公司 | Music feeling vibration massage pillow |
| CN103975385A (en) * | 2011-10-06 | 2014-08-06 | Hrl实验室有限责任公司 | High bandwidth antiresonant membrane |
| CN204014042U (en) * | 2014-06-30 | 2014-12-10 | 歌尔声学股份有限公司 | Loud speaker module |
-
2016
- 2016-01-07 CN CN201610011971.5A patent/CN105472513B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2405389Y (en) * | 2000-02-03 | 2000-11-08 | 王海燕 | Loud speaker |
| KR20080085467A (en) * | 2007-03-20 | 2008-09-24 | 에스텍 주식회사 | Speaker |
| CN201365335Y (en) * | 2009-01-04 | 2009-12-16 | 嘉善豪声电子有限公司 | Composite material tweeter |
| CN202161073U (en) * | 2010-12-07 | 2012-03-14 | 嘉兴市佳宏电声科技有限公司 | Music feeling vibration massage pillow |
| CN103975385A (en) * | 2011-10-06 | 2014-08-06 | Hrl实验室有限责任公司 | High bandwidth antiresonant membrane |
| CN204014042U (en) * | 2014-06-30 | 2014-12-10 | 歌尔声学股份有限公司 | Loud speaker module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862490A (en) * | 2018-12-30 | 2019-06-07 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN111083617A (en) * | 2019-12-20 | 2020-04-28 | 歌尔股份有限公司 | Sound production device and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105472513B (en) | 2019-05-07 |
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Granted publication date: 20190507 Termination date: 20220107 |