CN203933934U - A kind of vibrating diaphragm and loud speaker - Google Patents
A kind of vibrating diaphragm and loud speaker Download PDFInfo
- Publication number
- CN203933934U CN203933934U CN201420215596.2U CN201420215596U CN203933934U CN 203933934 U CN203933934 U CN 203933934U CN 201420215596 U CN201420215596 U CN 201420215596U CN 203933934 U CN203933934 U CN 203933934U
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- vibrating diaphragm
- pole plate
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- graphene layer
- graphene
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 48
- 239000002861 polymer material Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 65
- 239000002356 single layer Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 2
- 229920002530 polyetherether ketone Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000005137 deposition process Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model discloses a kind of vibrating diaphragm and loud speaker, and wherein, described vibrating diaphragm comprises: polymer material layer and be arranged on first graphene layer of macromolecular material on laminated.The utility model passes through the transfer of the graphene layer of single or multiple lift on the surface of the polymer material layer of vibrating diaphragm, rigidity and the pliability of Graphene are fully used, both increased the rigidity of vibrating diaphragm, keep again the pliability of vibrating diaphragm, make vibrating diaphragm resilience cracky not soon in vibration processes, therefore can better ensure the tonequality of sound, reduce the distortion factor of sound, the useful life of having improved loud speaker.
Description
Technical field
The utility model relates to electro-acoustic product field, relates in particular to a kind of vibrating diaphragm and loud speaker.
Background technology
Loud speaker generally can be divided three classes, electromagnetism, piezoelectricity with static.Magnetic speaker is applied in the devices such as broadcast receiver, television set and computer mostly, they can produce high quality sound, produce cheap and settle conveniently, but they have relatively heavy shortcoming, and poor in the direction-sense control of sound, if need the reproduction of high-fidelity, enterprise needs multiple loud speakers to cooperatively interact with city could be across whole musical note scope.And piezo-electric loudspeaker is because its small volume is used in as the place of the limited space such as aircraft or automobile.
And the structure of electrostatic loudspeaker is simply too much, it is without magnet, but utilize the synergy of signal transmitting apparatus and direct current polarization power supply, impel the electric charge of the certain density of vibrating diaphragm surface accumulation, so that vibrating diaphragm is subject to the electric field action that direction alternately changes, and accompanying audio signal source and the loud speaker of vibration sounding.Therefore, vibrating diaphragm must have enough hardness and pliability just can be carried out motion repeatedly, and being generally two conductive layers, existing vibrating diaphragm is integrated by glue bond, its conductive material adopts the composite beds such as metal often, in continuous vibration processes, be easy to occur deformation and even break, thereby affect the voice output that loud speaker is good.
Summary of the invention
In order to solve the problems of the prior art, the purpose of this utility model is to provide a kind of vibrating diaphragm and loud speaker.It possesses rigidity and pliability simultaneously, long service life, and tonequality is good.
For achieving the above object, the utility model adopts following design:
A kind of vibrating diaphragm, it comprises: polymer material layer and be arranged on first graphene layer of macromolecular material on laminated.
Preferably, described polymer material layer comprises at least one in PEEK, PET, PAR, PI or UV glue.
Preferably, described the first graphene layer is single-layer graphene layer or multiple graphene layers.
Preferably, the another side of described polymer material layer is provided with the second graphene layer.
Preferably, described the second graphene layer is single-layer graphene layer or multiple graphene layers.
Preferably, the thickness of described the first graphene layer and the second graphene layer is 1～100nm.
A loud speaker that comprises above-mentioned arbitrary described vibrating diaphragm, is characterized in that, it also comprises:
There is the first pole plate and second pole plate of conducting function;
Described vibrating diaphragm is fixed between the first pole plate and the second pole plate, and has gap with the first pole plate and the second pole plate;
For produce the signal transmitting apparatus of alternating voltage between the first pole plate and the second pole plate, and
For vibrating diaphragm provides the power supply of direct voltage.
Preferably, described the first pole plate and second substrate are provided with multiple through holes.
Preferably, described signal transmitting apparatus is transformer.
The utility model adopts above design, by the graphene layer of single or multiple lift is shifted on the surface of the polymer material layer of vibrating diaphragm, rigidity and the pliability of Graphene are fully used, conductivity and light, the feature such as thin, both increased the rigidity of vibrating diaphragm, keep again the pliability of vibrating diaphragm, make vibrating diaphragm resilience cracky not soon in vibration processes, by design multiple through holes on the first pole plate and the second pole plate, can make vibrating diaphragm in vibration processes, air can pass through pole plate uniformly with minimum resistance, therefore can better protect the tonequality of loud speaker card sound, reduce the distortion factor of sound, improve the useful life of loud speaker.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model vibrating diaphragm embodiment mono-;
Fig. 2 is the structural representation of the utility model vibrating diaphragm embodiment bis-;
Fig. 3 is the structural representation of the utility model vibrating diaphragm embodiment tri-;
Fig. 4 is the structural representation of the utility model vibrating diaphragm embodiment tetra-;
Fig. 5 is the structural representation of the utility model vibrating diaphragm embodiment five;
Fig. 6 is the structural representation of the utility model loud speaker;
Fig. 7 is the isolating construction schematic diagram of vibrating diaphragm, the first pole plate and second pole plate of the utility model loud speaker.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment mono-:
As shown in Figure 1, the utility model discloses a kind of vibrating diaphragm 1, it comprises: polymer material layer 11 and be arranged on the first graphene layer 12 of polymer material layer 11 one side.
Polymer material layer 11 described in the present embodiment is PI layer, and described the first graphene layer 12 is single-layer graphene layer, and the thickness of graphene layer 12 is 10nm.
Single-layer graphene layer in the present embodiment can make by vapour deposition process, then the graphene layer making is shifted in the one side of polymer material layer 11 by the mode shifting.
Embodiment bis-:
As shown in Figure 2, different from embodiment mono-is, polymer material layer 11 described in the present embodiment is UV glue-line, and described the first graphene layer 12 is multiple graphene layers, and described multiple graphene layers can obtain graphite oxide by laser method or thermal reduction reduction.
Embodiment tri-:
As shown in Figure 3, different from embodiment mono-is, in the present embodiment, be also provided with the second graphene layer 13 at the another side of polymer material layer 11, described the second graphene layer 13 is for being also single-layer graphene layer, it also can make by vapour deposition process, then the second graphene layer 13 making is shifted on the another side of polymer material layer 11 by the mode shifting.
Embodiment tetra-:
As shown in Figure 4, different from examples of implementation one is, the first graphene layer 12 that is arranged on polymer material layer 11 one sides in the present embodiment is multiple graphene layers, and, also be provided with the second graphene layer 13 at the another side of polymer material layer 11, it is also multiple graphene layers for described the second graphene layer 13, and it can make by vapour deposition process, then the graphene layer making is shifted on the two sides of polymer material layer 11 by the mode shifting.
Embodiment five:
As described in Figure 5, different from examples of implementation one, the another side at polymer material layer 11 in the present embodiment is also provided with the second graphene layer 13, and described the second graphene layer 13 is multiple graphene layers.
As shown in Figure 6, the invention also discloses a kind of loud speaker, it comprises:
Vibrating diaphragm 1: described vibrating diaphragm 1 comprises polymer material layer and is arranged on the first laminated graphene layer of macromolecular material (concrete, it can be the arbitrary vibrating diaphragm in Fig. 1 to Fig. 5);
There is the first pole plate 2 and second pole plate 3 of conducting function;
Described vibrating diaphragm 1 is fixed between the first pole plate 2 and the second pole plate 3, and has gap with the first pole plate 2 and the second pole plate 3;
For produce the signal transmitting apparatus 4 of alternating voltage between the first pole plate 2 and the second pole plate 3, described signal transmitting apparatus 4 is transformer; And
For vibrating diaphragm 1 provides the power supply 5 of direct voltage.
As described in Figure 7, on the first pole plate 2 of described loud speaker and second substrate 3, be also respectively equipped with multiple through holes 21 and 31.
The operation principle of the utility model loud speaker is: power supply 5 provides direct voltage for vibrating diaphragm 1, signal transmitting apparatus 4 applies interactive signal on the first pole plate 2 and the second pole plate 3, when audio frequency interactive signal is applied between the first pole plate 2 and the second pole plate 3 by signal transmitting apparatus 4, due to the first pole plate 2 and vibrating diaphragm 1, and the electrostatic force of second electrode 3 and vibrating diaphragm 1 changes, therefore cause the vibration of vibrating diaphragm 1, thereby produce corresponding sound.Because Graphene has good conductivity, combination of flexibility and rigidity, therefore make vibrating diaphragm resilience in vibration processes fast simultaneously, and not cracky, is used on loud speaker, makes loud speaker possess better tonequality.Meanwhile, in the time being provided with through hole on the first pole plate 2 and the second pole plate 3, the Air Flow producing in vibrating diaphragm 1 vibration processes can, with less resistance uniformly by the first pole plate 2 and the second pole plate 3, ensure the tonequality of high-fidelity more.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (9)
1. a vibrating diaphragm, is characterized in that: it comprises: polymer material layer and be arranged on first graphene layer of macromolecular material on laminated.
2. vibrating diaphragm according to claim 1, is characterized in that: described polymer material layer comprises at least one in PEEK, PET, PAR, PI or UV glue.
3. vibrating diaphragm according to claim 1, is characterized in that: described the first graphene layer is single-layer graphene layer or multiple graphene layers.
4. vibrating diaphragm according to claim 3, is characterized in that: the another side of described polymer material layer is provided with the second graphene layer.
5. vibrating diaphragm according to claim 4, is characterized in that: described the second graphene layer is single-layer graphene layer or multiple graphene layers.
6. vibrating diaphragm according to claim 4, is characterized in that: the thickness of described the first graphene layer and the second graphene layer is 1～100nm.
7. a loud speaker that comprises the arbitrary described vibrating diaphragm of claim 1～6, is characterized in that, it also comprises:
There is the first pole plate and second pole plate of conducting function;
Described vibrating diaphragm is fixed between the first pole plate and the second pole plate, and has gap with the first pole plate and the second pole plate;
For produce the signal transmitting apparatus of alternating voltage between the first pole plate and the second pole plate, and
For vibrating diaphragm provides the power supply of direct voltage.
8. loud speaker according to claim 7, is characterized in that: on described the first pole plate and second substrate, be respectively equipped with multiple through holes.
9. loud speaker according to claim 7, is characterized in that: described signal transmitting apparatus is transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215596.2U CN203933934U (en) | 2014-04-29 | 2014-04-29 | A kind of vibrating diaphragm and loud speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215596.2U CN203933934U (en) | 2014-04-29 | 2014-04-29 | A kind of vibrating diaphragm and loud speaker |
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| Publication Number | Publication Date |
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| CN203933934U true CN203933934U (en) | 2014-11-05 |
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| CN201420215596.2U Expired - Lifetime CN203933934U (en) | 2014-04-29 | 2014-04-29 | A kind of vibrating diaphragm and loud speaker |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792077A (en) * | 2016-03-04 | 2016-07-20 | 歌尔声学股份有限公司 | Loudspeaker diaphragm, manufacturing method thereof and moving coil type loudspeaker |
| CN105792078A (en) * | 2016-03-04 | 2016-07-20 | 歌尔声学股份有限公司 | Loudspeaker diaphragm, manufacturing method thereof and moving coil type loudspeaker |
| CN106375913A (en) * | 2016-09-13 | 2017-02-01 | 北京塞宾科技有限公司 | Black phosphor diaphragm microphone |
| CN106412778A (en) * | 2016-09-13 | 2017-02-15 | 北京塞宾科技有限公司 | Microphone comprising black phosphorus material vibrating diaphragm |
| WO2018023843A1 (en) * | 2016-08-02 | 2018-02-08 | 常州阿木奇声学科技有限公司 | Vibration diaphragm and coating method thereof, and electroacoustic transducer |
| WO2018094724A1 (en) * | 2016-11-28 | 2018-05-31 | 声电电子科技(惠州)有限公司 | Graphene speaker diaphragm |
| CN109743671A (en) * | 2019-01-19 | 2019-05-10 | 深圳市国创珈伟石墨烯科技有限公司 | A kind of novel graphene combined type electrostatic diaphragm of loudspeaker and preparation method thereof |
| CN110430514A (en) * | 2019-08-10 | 2019-11-08 | 宗阳阳 | A kind of vibrating diaphragm coating, diaphragm of loudspeaker and preparation method thereof, electrostatic loudspeaker |
| JP2020120245A (en) * | 2019-01-23 | 2020-08-06 | 国立研究開発法人産業技術総合研究所 | Vibration membrane for electrostatic speaker and electrostatic speaker |
| CN112312281A (en) * | 2019-07-30 | 2021-02-02 | 北京小米移动软件有限公司 | Vibrating diaphragm assembly, loudspeaker and terminal |
| US20210331203A1 (en) * | 2019-03-28 | 2021-10-28 | Sumitomo Riko Company Limited | Electrostatic transducer and electrostatic transducer unit |
| US11368791B2 (en) | 2016-03-04 | 2022-06-21 | Goertek Inc. | Speaker vibration diaphragm and method for manufacturing the same, and moving-coil speaker |
-
2014
- 2014-04-29 CN CN201420215596.2U patent/CN203933934U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11368791B2 (en) | 2016-03-04 | 2022-06-21 | Goertek Inc. | Speaker vibration diaphragm and method for manufacturing the same, and moving-coil speaker |
| CN105792078A (en) * | 2016-03-04 | 2016-07-20 | 歌尔声学股份有限公司 | Loudspeaker diaphragm, manufacturing method thereof and moving coil type loudspeaker |
| CN105792077A (en) * | 2016-03-04 | 2016-07-20 | 歌尔声学股份有限公司 | Loudspeaker diaphragm, manufacturing method thereof and moving coil type loudspeaker |
| WO2018023843A1 (en) * | 2016-08-02 | 2018-02-08 | 常州阿木奇声学科技有限公司 | Vibration diaphragm and coating method thereof, and electroacoustic transducer |
| CN106375913A (en) * | 2016-09-13 | 2017-02-01 | 北京塞宾科技有限公司 | Black phosphor diaphragm microphone |
| CN106412778A (en) * | 2016-09-13 | 2017-02-15 | 北京塞宾科技有限公司 | Microphone comprising black phosphorus material vibrating diaphragm |
| CN106375913B (en) * | 2016-09-13 | 2019-07-12 | 北京塞宾科技有限公司 | A kind of black phosphorus vibrating diaphragm microphone |
| WO2018094724A1 (en) * | 2016-11-28 | 2018-05-31 | 声电电子科技(惠州)有限公司 | Graphene speaker diaphragm |
| CN109743671A (en) * | 2019-01-19 | 2019-05-10 | 深圳市国创珈伟石墨烯科技有限公司 | A kind of novel graphene combined type electrostatic diaphragm of loudspeaker and preparation method thereof |
| JP2020120245A (en) * | 2019-01-23 | 2020-08-06 | 国立研究開発法人産業技術総合研究所 | Vibration membrane for electrostatic speaker and electrostatic speaker |
| US20210331203A1 (en) * | 2019-03-28 | 2021-10-28 | Sumitomo Riko Company Limited | Electrostatic transducer and electrostatic transducer unit |
| US12007520B2 (en) * | 2019-03-28 | 2024-06-11 | Sumitomo Riko Company Limited | Electrostatic transducer and electrostatic transducer unit |
| CN112312281A (en) * | 2019-07-30 | 2021-02-02 | 北京小米移动软件有限公司 | Vibrating diaphragm assembly, loudspeaker and terminal |
| CN110430514A (en) * | 2019-08-10 | 2019-11-08 | 宗阳阳 | A kind of vibrating diaphragm coating, diaphragm of loudspeaker and preparation method thereof, electrostatic loudspeaker |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |
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| CX01 | Expiry of patent term |