CN206908841U - A kind of complex vibration plate and the loudspeaker provided with the oscillating plate - Google Patents
A kind of complex vibration plate and the loudspeaker provided with the oscillating plate Download PDFInfo
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- CN206908841U CN206908841U CN201720751862.7U CN201720751862U CN206908841U CN 206908841 U CN206908841 U CN 206908841U CN 201720751862 U CN201720751862 U CN 201720751862U CN 206908841 U CN206908841 U CN 206908841U
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Abstract
The utility model discloses a kind of complex vibration plate and the loudspeaker provided with the oscillating plate, oscillating plate includes vibrating diaphragm and top dome, top dome is included positioned at middle foamed core, and the carbon fiber layer of at least one layer first and at least one layer of second carbon fiber layer for the foamed core both sides that are placed in, wherein the first carbon fiber layer and the second carbon fiber layer are formed by carbon fiber, and the modulus of the carbon fiber in the first carbon fiber layer and/or the carbon fiber in the second carbon fiber layer is not less than 380GPa.Because the first carbon fiber layer and the second carbon fiber layer are respectively provided with high-modulus, low-density, can be with MULTILAYER COMPOSITE the advantages of, make the top dome with double-deck high modulus carbon fiber layer, with high ratio modulus, high rigidity, it can be very good the low-and high-frequency characteristic for showing sound, top dome also has higher intensity and lower quality, more preferable designability, stronger anti-destructive and fatigue resistance.And the loudspeaker provided with above-mentioned complex vibration plate, high-frequency cut-off frequency is improved, extends high frequency, makes loudspeaker that there is good acoustical behavior.
Description
Technical field
It the utility model is related to electro-acoustic product field, more particularly to a kind of complex vibration plate and raising one's voice provided with the oscillating plate
Device.
Background technology
Microspeaker is the important acoustic element of portable electric appts, for completing between electric signal and voice signal
Conversion, be a kind of energy conversion device.Existing Microspeaker includes magnetic circuit system and vibrational system, and vibrational system includes
Oscillating plate, voice coil loudspeaker voice coil etc..Wherein oscillating plate includes vibrating diaphragm and the top dome being combined together, structure, quality and the rigidity of the top dome
Etc. the low-and high-frequency characteristic for affecting sound.
And the top dome in existing loudspeaker, most structural strength are inadequate, quality is larger, affects vibration of membrane of shaking, and causes
The destructiveness and fatigue resistance of oscillating plate be not high, and directly limitation shows the height cut-off frequency of sound, affects the sound of loudspeaker
Learn performance.
Utility model content
For above-mentioned deficiency, the first technical problem to be solved in the utility model is：A kind of complex vibration plate is provided, should
Oscillating plate has high ratio modulus, the top dome of high rigidity, the low-and high-frequency characteristic for making it can be very good to show sound, while top dome is also
With higher intensity and lower quality, more preferable designability, and stronger anti-destructive and fatigue resistance.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of complex vibration plate, including the vibrating diaphragm and top dome being combined together, the top dome are located at the middle part of the vibrating diaphragm,
The top dome is included positioned at middle foamed core, and the carbon fiber layer of at least one layer first for the foamed core both sides that are placed in and extremely
Few one layer of second carbon fiber layer, wherein, first carbon fiber layer and second carbon fiber layer are formed by carbon fiber, and institute
The modulus for stating the carbon fiber in the first carbon fiber layer and/or the carbon fiber in second carbon fiber layer is not less than 380GPa.
Preferred embodiment is that the fiber architecture direction of first carbon fiber layer and second carbon fiber layer is consistent.
Preferred embodiment is, the oscillating plate for it is square when, first carbon fiber layer and second carbon fiber layer
Fiber architecture direction is vertically arranged with the oscillating plate any side.
Preferred embodiment is, when the oscillating plate is not circular and square, first carbon fiber layer and second carbon
Long axis direction of the fiber architecture direction of fibrous layer with the oscillating plate is vertically arranged.
Preferred embodiment is that first carbon fiber layer and second carbon fiber layer are unidirectional carbon reinforced epoxy
Prepreg.
Preferred embodiment is that the prepreg thickness is 0.015~0.050mm, and surface density is 26~70g/m2。
Preferred embodiment is that the thickness of the top dome is 0.1~0.4mm.
Preferred embodiment is that first carbon fiber layer and second carbon fiber layer sample hot pressing with the foamed core
Curing mode is combined together.
Preferred embodiment is that the thickness of the foamed core is more than 0.06mm, and is less than 0.36mm.
Based on same inventive concept, the second technical problem to be solved in the utility model is：A kind of loudspeaker is provided, should
Loudspeaker has good acoustical behavior.
A kind of loudspeaker, including vibrational system, the vibrational system include above-mentioned complex vibration plate.
After adopting the above technical scheme, the beneficial effects of the utility model are：
Due to complex vibration plate of the present utility model and the loudspeaker provided with the oscillating plate, wherein oscillating plate include being incorporated in
Vibrating diaphragm together and top dome, top dome are included positioned at middle foamed core, and at least one layer of the of the foamed core both sides that are placed in
One carbon fiber layer and at least one layer of second carbon fiber layer, wherein the first carbon fiber layer and the second carbon fiber layer are by carbon fiber structure
Into, and the modulus of the carbon fiber in the first carbon fiber layer and/or the carbon fiber in the second carbon fiber layer is not less than 380GPa.Because of the
The modulus of one carbon fiber layer and the carbon fiber in the second carbon fiber layer is not less than 380GPa, makes the first carbon fiber layer and the second carbon fine
Dimension layer is respectively provided with high-modulus, low-density, can be with MULTILAYER COMPOSITE the advantages of, top dome of the present utility model is had high ratio modulus, height
Rigidity, the low-and high-frequency characteristic for showing sound is can be very good, while top dome also has higher intensity and lower quality, more preferably
Designability, and stronger anti-destructive and fatigue resistance.And the loudspeaker provided with above-mentioned complex vibration plate, it changes significantly
The high-frequency cut-off frequency of loudspeaker has been apt to it, has extended high frequency, has made loudspeaker that there is good acoustical behavior.
Because the fiber architecture direction of the first carbon fiber layer and the second carbon fiber layer is consistent；The arrangement mode of the fiber enters one
Step has expanded high-frequency cut-off frequency, improves the performance of loudspeaker.
Due to oscillating plate for it is square when, the fiber architecture direction of the first carbon fiber layer and the second carbon fiber layer with vibration
Plate any side is vertically arranged；The arrangement mode of the fiber has further expanded high-frequency cut-off frequency, improves the performance of loudspeaker.
Due to oscillating plate for it is circular and square when, the fiber architecture direction of the first carbon fiber layer and the second carbon fiber layer
Long axis direction with oscillating plate is vertically arranged；The arrangement mode of the fiber has further expanded high-frequency cut-off frequency, improves
The performance of loudspeaker.
In summary, complex vibration plate of the present utility model compared with prior art, solves compound in the prior art shake
The high-frequency cut-off frequency of dynamic plate is low, influences the technical problem of the acoustical behavior of loudspeaker；And complex vibration plate of the present utility model,
Its top dome uses high modulus carbon fiber, has higher modulus and lower density, top dome is had high ratio modulus, high rigidity,
The low-and high-frequency characteristic for showing sound is can be very good, and there is more preferable designability, and stronger anti-destructive and anti-tired
Lao Xing.
Brief description of the drawings
Fig. 1 is the profile of the utility model complex vibration plate；
Fig. 2 is the profile of top dome in Fig. 1；
Fig. 3 is the top view of complex vibration plate in Fig. 1；
In figure：1-top dome, the 10-the first carbon fiber layer, 11-foamed core, the 12-the second carbon fiber layer, 2-vibrating diaphragm,
3-fiber architecture direction, 4-oscillating plate long axis direction, 5-oscillating plate.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, it is not used to limit the utility model.
As depicted in figs. 1 and 2, a kind of complex vibration plate, including the vibrating diaphragm 2 and top dome 1 being combined together, top dome 1 are located at
The middle part of vibrating diaphragm 2, top dome 1 are included positioned at middle foamed core 11, and at least one layer of the of the both sides of foamed core 11 that are placed in
One carbon fiber layer 10 and at least one layer of second carbon fiber layer 12, wherein, the first carbon fiber layer 10 and the second carbon fiber layer 12 by
Carbon fiber is formed, and the modulus of the carbon fiber in the first carbon fiber layer 10 and/or the carbon fiber in the second carbon fiber layer 12 is not small
In 380GPa.
As shown in figure 3, the performance of loudspeaker is improved in order to further expand high-frequency cut-off frequency in the present embodiment,
The fiber architecture direction of first carbon fiber layer 10 and the second carbon fiber layer 12 is consistent.
Further, the fiber row of when being shaped as circle of oscillating plate 5, the first carbon fiber layer 10 and the second carbon fiber layer 12
Cloth direction does not require then；When oscillating plate 5 is square, the fiber architecture of the first carbon fiber layer 10 and the second carbon fiber layer 12
Direction is vertically arranged with any side of oscillating plate 5；When oscillating plate 5 is not circular and square, for example it is class track type in Fig. 3
When, it has major axis, designs the fiber architecture direction (institute of arrow 3 in Fig. 3 of the first carbon fiber layer 10 and the second carbon fiber layer 12
Finger direction) it is vertically arranged with long axis direction 4 (direction of arrow 4 in Fig. 3)；And employ the arrangement mode of above-mentioned fiber
Afterwards, high-frequency cut-off frequency has further been expanded, has improved the performance of loudspeaker.
As shown in Fig. 2 in order to further improve the rigidity of top dome, allow on the first carbon fiber layer 10 and the second carbon fiber layer 12
Under be symmetrical arranged, make the carbon fiber arragement direction of the first carbon fiber layer 10 and the second carbon fiber layer 12 more consistent.
As shown in Fig. 2 first carbon fiber layer 10 and the second carbon fiber layer 12 of the present embodiment are composite, can be single
To the prepreg of carbon-fibre reinforced epoxy resin.
Further, density is 5~50g/m behind unidirectional carbon exhibition yarn2, epoxy resin uses coating process, is formed
The thickness of prepreg is 0.015~0.050mm, and surface density is 26~70g/m2。
It should be noted that above-mentioned prepreg impregnating continuous fibres or is knitted under conditions of strict control with resin matrix
Thing, resin matrix and the composition of reinforcement is made, is the intermediate materials for manufacturing composite.
As shown in figure 1, in the present embodiment, the first carbon fiber layer 10 and the second carbon fiber layer 12 sample with foamed core 11
Hot-press solidifying is combined together, and once hot pressing is slab construction, and given size is processed according to product requirement；The He of top dome 1
The middle part of vibrating diaphragm 2 is combined together by adhesive or double faced adhesive tape.
The thickness of top dome 1 is 0.1~0.4mm, and the wherein thickness of foamed core 11 is more than 0.06mm, less than 0.36mm, bubble
The material of foam sandwich layer is PMI foaming, PI foaming or polyesters expanded material, can also be other materials, the utility model certainly
It is without limitation.
The thickness of vibrating diaphragm 2 is 0.02~0.5mm, and vibrating diaphragm 2 is by engineering plastics, elastomeric material and/or adhesive film material etc.
One or more Material claddings composition.Wherein engineering plastics such as PEEk, PAR etc., elastomeric material such as TPU, TPEE, silicon rubber
Deng, glued membrane such as esters of acrylic acid glue, organic silicon glue etc..
As shown in Figure 1, Figure 2 and Figure 3, complex vibration plate of the present utility model, because its top dome 1 includes the first carbon fiber layer 10
And second carbon fiber layer 12, and the modulus of the carbon fiber of the first carbon fiber layer 10 and the second carbon fiber layer 12 is not less than 380GPa,
The first carbon fiber layer 10 and the second carbon fiber layer 12 is set to be respectively provided with high-modulus, low-density, can be with MULTILAYER COMPOSITE the advantages of；And make tool
There is the top dome 1 of the first carbon fiber layer 10 and the second carbon fiber layer 12, there is high ratio modulus and high rigidity, can be very good to show sound
The low-and high-frequency characteristic of sound.Simultaneously used by top dome 1 factor such as material of foamed core 11 influence, also there is higher intensity
Lower quality, more preferable designability, and stronger anti-destructive and fatigue resistance.
As shown in Figure 1, Figure 2 and Figure 3, a kind of loudspeaker, including vibrational system, vibrational system include above-mentioned complex vibration
Plate 5.
Loudspeaker of the present utility model, its vibrational system include above-mentioned complex vibration plate 5, obtain its high-frequency cut-off frequency
Improve to great, make it have good acoustical behavior.
Preferred embodiment of the present utility model described above, it is all in this practicality not to limit the utility model
Any modification for being made within new spirit and principle, etc. same complex vibration plate and the loudspeaker knot provided with the oscillating plate
Improvement of structure etc., should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of complex vibration plate, including the vibrating diaphragm and top dome being combined together, the top dome are located at the middle part of the vibrating diaphragm, its
It is characterised by, the top dome is included positioned at middle foamed core, and the carbon of at least one layer first for the foamed core both sides that are placed in
Fibrous layer and at least one layer of second carbon fiber layer, wherein, first carbon fiber layer and second carbon fiber layer are fine by carbon
Dimension is formed, and the modulus of the carbon fiber in first carbon fiber layer and/or the carbon fiber in second carbon fiber layer is not small
In 380GPa.
2. complex vibration plate according to claim 1, it is characterised in that first carbon fiber layer and second carbon are fine
The fiber architecture direction for tieing up layer is consistent.
3. complex vibration plate according to claim 1, it is characterised in that when the oscillating plate is square, described first
The fiber architecture direction of carbon fiber layer and second carbon fiber layer is vertically arranged with the oscillating plate any side.
4. complex vibration plate according to claim 1, it is characterised in that when the oscillating plate is not circular and square,
The fiber architecture direction of first carbon fiber layer and second carbon fiber layer is vertical with the long axis direction of the oscillating plate
Set.
5. the complex vibration plate according to any one of Claims 1-4, it is characterised in that first carbon fiber layer and institute
State the prepreg that the second carbon fiber layer is unidirectional carbon reinforced epoxy.
6. complex vibration plate according to claim 5, it is characterised in that the prepreg thickness be 0.015~
0.050mm, surface density are 26~70g/m2。
7. complex vibration plate according to claim 1, it is characterised in that the thickness of the top dome is 0.1~0.4mm.
8. complex vibration plate according to claim 1, it is characterised in that first carbon fiber layer and second carbon are fine
Dimension layer is combined together with foamed core sampling hot-press solidifying mode.
9. complex vibration plate according to claim 1, it is characterised in that the thickness of the foamed core is more than 0.06mm,
And it is less than 0.36mm.
10. a kind of loudspeaker, it is characterised in that including vibrational system, the vibrational system includes any one of claim 1 to 9
Described complex vibration plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720751862.7U CN206908841U (en) | 2017-06-26 | 2017-06-26 | A kind of complex vibration plate and the loudspeaker provided with the oscillating plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720751862.7U CN206908841U (en) | 2017-06-26 | 2017-06-26 | A kind of complex vibration plate and the loudspeaker provided with the oscillating plate |
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| CN206908841U true CN206908841U (en) | 2018-01-19 |
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ID=61284245
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108924699A (en) * | 2018-07-12 | 2018-11-30 | 隐士音响（杭州）有限公司 | A kind of compound horn device of carbon fiber of reduction and inhibition resonance |
| CN109391887A (en) * | 2018-11-30 | 2019-02-26 | 歌尔股份有限公司 | A kind of sounding device |
| CN109660919A (en) * | 2018-11-30 | 2019-04-19 | 歌尔股份有限公司 | A kind of sounding device |
| CN109672965A (en) * | 2018-11-30 | 2019-04-23 | 歌尔股份有限公司 | A kind of sounding device |
| CN109862482A (en) * | 2018-12-29 | 2019-06-07 | 瑞声声学科技(深圳)有限公司 | A kind of top dome material, vibrating diaphragm and loudspeaker |
| CN110944271A (en) * | 2019-11-29 | 2020-03-31 | 歌尔股份有限公司 | Reinforcing part for sound generating device, vibration plate and sound generating device |
| CN111417063A (en) * | 2019-12-26 | 2020-07-14 | 瑞声科技(新加坡)有限公司 | Carbon fiber dome, preparation method thereof and loudspeaker |
| CN112954550A (en) * | 2021-02-08 | 2021-06-11 | 歌尔股份有限公司 | Diaphragm and processing method thereof, loudspeaker structure and electronic equipment |
| WO2021128192A1 (en) * | 2019-12-26 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Carbon fiber dome, preparation method therefor, and loudspeaker |
| CN113709633A (en) * | 2020-05-20 | 2021-11-26 | 歌尔股份有限公司 | Vibrating plate and sound generating device |
| CN113709636A (en) * | 2020-05-20 | 2021-11-26 | 歌尔股份有限公司 | Vibrating plate and sound generating device |
| CN113709634A (en) * | 2020-05-20 | 2021-11-26 | 歌尔股份有限公司 | Vibrating plate and sound generating device |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108924699A (en) * | 2018-07-12 | 2018-11-30 | 隐士音响（杭州）有限公司 | A kind of compound horn device of carbon fiber of reduction and inhibition resonance |
| CN109391887A (en) * | 2018-11-30 | 2019-02-26 | 歌尔股份有限公司 | A kind of sounding device |
| CN109660919A (en) * | 2018-11-30 | 2019-04-19 | 歌尔股份有限公司 | A kind of sounding device |
| CN109672965A (en) * | 2018-11-30 | 2019-04-23 | 歌尔股份有限公司 | A kind of sounding device |
| CN109391887B (en) * | 2018-11-30 | 2020-11-20 | 歌尔股份有限公司 | Sound production device |
| CN109660919B (en) * | 2018-11-30 | 2020-11-20 | 歌尔股份有限公司 | Sound production device |
| CN109862482A (en) * | 2018-12-29 | 2019-06-07 | 瑞声声学科技(深圳)有限公司 | A kind of top dome material, vibrating diaphragm and loudspeaker |
| CN109862482B (en) * | 2018-12-29 | 2021-10-01 | 瑞声声学科技(深圳)有限公司 | Ball top material, vibrating diaphragm and loudspeaker |
| CN110944271A (en) * | 2019-11-29 | 2020-03-31 | 歌尔股份有限公司 | Reinforcing part for sound generating device, vibration plate and sound generating device |
| CN110944271B (en) * | 2019-11-29 | 2021-08-31 | 歌尔股份有限公司 | Reinforcing part for sound generating device, vibration plate and sound generating device |
| WO2021128192A1 (en) * | 2019-12-26 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Carbon fiber dome, preparation method therefor, and loudspeaker |
| CN111417063A (en) * | 2019-12-26 | 2020-07-14 | 瑞声科技(新加坡)有限公司 | Carbon fiber dome, preparation method thereof and loudspeaker |
| CN111417063B (en) * | 2019-12-26 | 2022-04-12 | 瑞声科技(新加坡)有限公司 | Carbon fiber dome, preparation method thereof and loudspeaker |
| CN113709633A (en) * | 2020-05-20 | 2021-11-26 | 歌尔股份有限公司 | Vibrating plate and sound generating device |
| CN113709636A (en) * | 2020-05-20 | 2021-11-26 | 歌尔股份有限公司 | Vibrating plate and sound generating device |
| CN113709634A (en) * | 2020-05-20 | 2021-11-26 | 歌尔股份有限公司 | Vibrating plate and sound generating device |
| CN113709633B (en) * | 2020-05-20 | 2023-11-17 | 歌尔股份有限公司 | Vibrating plate and sound producing device |
| CN113709634B (en) * | 2020-05-20 | 2023-11-17 | 歌尔股份有限公司 | Vibrating plate and sound producing device |
| CN113709636B (en) * | 2020-05-20 | 2023-11-17 | 歌尔股份有限公司 | Vibrating plate and sound producing device |
| CN112954550A (en) * | 2021-02-08 | 2021-06-11 | 歌尔股份有限公司 | Diaphragm and processing method thereof, loudspeaker structure and electronic equipment |
| CN112954550B (en) * | 2021-02-08 | 2023-01-24 | 歌尔股份有限公司 | Diaphragm and processing method thereof, loudspeaker structure and electronic equipment |
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