CN207251841U - A kind of carbon fiber top dome - Google Patents
A kind of carbon fiber top dome Download PDFInfo
- Publication number
- CN207251841U CN207251841U CN201721265983.7U CN201721265983U CN207251841U CN 207251841 U CN207251841 U CN 207251841U CN 201721265983 U CN201721265983 U CN 201721265983U CN 207251841 U CN207251841 U CN 207251841U
- Authority
- CN
- China
- Prior art keywords
- top dome
- carbon fiber
- pmi
- substrate layers
- initial rinse
- 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.)
- Active
Links
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model discloses a kind of carbon fiber top dome, applied to speaker technology field, including top dome, top dome includes the carbon fibre initial rinse fabric and PMI substrate layers being stacked, carbon fibre initial rinse fabric wraps up PMI substrate layers, and the parallel upper and lower surface for being compounded in PMI substrate layers, the edge of top dome have the slab construction with being connected at the top of loudspeaker, top dome central integration has recess or protrusion.A kind of thickness of carbon fiber top dome of the utility model can change, and have the characteristics that good intensity height, pliability, counter-bending, light weight, not easy to crack and reliability are high, meet the acoustical demands of different loudspeakers customizable.
Description
Technical field
Speaker technology field is the utility model is related to, in particular to a kind of carbon fiber top dome.
Background technology
With the continuous development of modern science and technology, electroacoustics system also continuous improving performance and reliability, loudspeaker is by shaking
Dynamic top dome produces the sound wave propagated in atmosphere, and top dome is the important composition of loudspeaker, influence loudspeaker response degree of hastening,
The performances such as stereovision, tonequality and sound range of scatter, to improve the quality of loudspeaker, requirement of the loudspeaker to top dome is also increasingly
It is high, it is desirable to which that top dome has stronger rigidity and larger angle of reflection etc., in addition, the loudspeaker specification used under different occasions is not
Together, therefore, the loudspeaker of different size is also different to the performance requirement of top dome, and top dome of the prior art is by aluminium foil and foaming material
Expect compound composition, the thickness of the composite construction is larger, and aluminium foil be easy to fragmentation or with expanded material layering, the strength of materials deficiency and
Poor in flexibility.
PMI (Polymethacrylimide) foam is a kind of cross-linking type hard structure type foamed material, its homogeneous cross-link
Hole wall structure can assign the structural stability of its protrusion and excellent mechanical property, its with good compression creep performance, its
It can meet high temperature, high-pressure curing and prepeg process requirement, the core material being suitable as in high-performance sandwich uses.
Utility model content
The utility model is intended to solve one of above-mentioned technical problem to a certain extent.
In view of this, the utility model provides a kind of carbon fiber top dome, and the thickness of the top dome can change, and have intensity
The features such as height, pliability are good, counter-bending, light weight, high not easy to crack and reliability, meets different loudspeakers customizable
Acoustical demands.
In order to solve the above technical problems, the utility model provides a kind of carbon fiber top dome, including top dome, the top dome include
The carbon fibre initial rinse fabric and PMI substrate layers being stacked, the carbon fibre initial rinse fabric wrap up the PMI substrate layers, and parallel multiple
The upper and lower surface in the PMI substrate layers is closed, the edge of the top dome has the tablet knot with being connected at the top of loudspeaker
Structure, the top dome central integration have recess or protrusion.
Further, the top dome is substantially square or rectangle, the corner of the top dome are equipped with arc sections.
Further, the female portion is the groove being downwardly concaved along the slab construction inward flange.
Further, the side wall of the groove is intilted inclined-plane.
Further, the female portion is annular recess, is downwardly concaved along the inward flange of the slab construction.
Further, the protrusion is arranged on the centre of the annular recess, and along the inner edge of the annular recess
Edge is protruding upward.
Further, the thickness of carbon fibre initial rinse fabric described in individual layer is 0.05mm-0.2mm.
Further, the thickness of the PMI substrate layers is 0.1mm-2mm.
Further, the edge of the groove and the junction of the slab construction inward flange are arc transition.
The utility model has technical effect that：A kind of carbon fiber top dome according to the present utility model, including top dome, top dome
Including the carbon fibre initial rinse fabric and PMI substrate layers being stacked, carbon fibre initial rinse fabric parcel PMI substrate layers, and it is arranged on PMI bases
The upper and lower surface of material layer, carbon fibre initial rinse fabric have the characteristics that light-weight, counter-bending, resistance to compression and pliability are good so that top dome
Pliability is more preferable, counter-bending, light-weight and intensity is high.PMI substrate layers have excellent mechanical property, it compresses, stretches, shearing
Modulus and intensity are higher, and density is relatively low so that the lighter weight of top dome, performance is more preferable, and PMI substrate layers can be done as requested
Go out the base material of various thickness, so as to change the thickness of top dome, meet the acoustical demands of different size loudspeaker.
In addition, recess or protrusion of different shapes are formed in top dome so that the pliability of top dome is more preferable, and intensity is more
Height, so as to may be such that top dome meets the acoustical demands of different size loudspeaker.
Brief description of the drawings
Fig. 1 is the structure diagram according to a kind of carbon fiber top dome of the utility model one embodiment.
Fig. 2 is the left view according to a kind of carbon fiber top dome of the utility model one embodiment.
Fig. 3 is the material schematic diagram according to a kind of carbon fiber top dome of the utility model one embodiment.
Fig. 4 is the structure diagram according to a kind of carbon fiber top dome of the utility model another embodiment.
Fig. 5 is according to the sectional view in Fig. 4 at A-A.
Fig. 6 is according to the sectional view in Fig. 4 at B-B.
Wherein, 1- first layers carbon fibre initial rinse fabric；2-PMI substrate layers；3- second layer carbon fibre initial rinse fabrics；4- tablet knots
Structure；5- arc sections；6- grooves；7- annular recess；8- protrusions；61- side walls.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art
It can be better understood from the utility model and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Shown as shown in Figure 1, Figure 3 and Figure 4, the utility model provides a kind of carbon fiber top dome, including top dome, and top dome includes stacking
The carbon fibre initial rinse fabric and PMI substrate layers 2 of setting, carbon fibre initial rinse fabric parcel PMI substrate layers 2, and parallel it is compounded in PMI base materials
The upper and lower surface of layer 2,2 upper surface of PMI substrate layers is compound for first layer carbon fibre initial rinse fabric 1, under PMI substrate layers 2
Surface recombination has the slab construction 4 with being connected at the top of loudspeaker, ball for second layer carbon fibre initial rinse fabric 3, the edge of top dome
Top central integration has recess or a protrusion 8, and top dome is answered by the carbon fibre initial rinse fabric that is stacked and PMI substrate layers 2
Condensation material forms above-mentioned slab construction, recess and protrusion 8 by compacting, what top dome was integrally formed, its stable structure,
Unfailing performance is high, easily processed into type.
A kind of carbon fiber top dome according to the present utility model, including top dome, top dome include the carbon fibre initial rinse being stacked
Cloth and PMI substrate layers 2, carbon fibre initial rinse fabric parcel PMI substrate layers 2, and it is arranged on the upper and lower surface of PMI substrate layers 2, carbon fiber
Prepreg cloth has the characteristics that light-weight, counter-bending, resistance to compression and pliability are good so that the pliability of top dome is more preferable, counter-bending, weight
Light and intensity is high.PMI substrate layers 2 have excellent mechanical property, its compress, stretching, modulus of shearing and intensity it is higher, density compared with
It is low so that the lighter weight of top dome, performance is more preferable, and PMI substrate layers 2 can make the base material of various thickness as requested, from
And change the thickness of top dome, meet the acoustical demands of different size loudspeaker.
In addition, recess or protrusion 8 of different shapes are formed in top dome so that the pliability of top dome is more preferable, intensity
Higher, so as to may be such that top dome meets the acoustical demands of different size loudspeaker.
A specific embodiment according to the present utility model, carbon fibre initial rinse fabric are first made into carbon cloth by carbon fiber wire,
Then carbon cloth immersion epoxy resin is formed；PMI substrate layers 2 are placed in first layer carbon fibre initial rinse fabric 1 and second layer carbon
Between Fiber prepreg 3, separate out the epoxy resin in carbon fibre initial rinse fabric by way of hot pressing, so that PMI base materials
Layer 2 is bonded together with first layer carbon fibre initial rinse fabric 1 and second layer carbon fibre initial rinse fabric 3；The PMI base materials that will be bonded together
Layer 2, first layer carbon fibre initial rinse fabric 1 and 3 curing molding of second layer carbon fibre initial rinse fabric are top dome；Top dome after curing molding can
Specific shape is cut into, so as to meet the acoustical demands of different loudspeakers.
A specific embodiment according to the present utility model, carbon fibre initial rinse fabric and PMI substrate layers 2 are by way of hot pressing
It is combined with each other, is not easy to be layered, stable structure, unfailing performance is good.
PMI materials are as substrate layer, and, relative to aluminium foil, PET, PEN and PEEK etc. as base material, PMI has more for it
Add excellent mechanical property, under same isodensity, compression, stretching, modulus of shearing and the intensity highest of PMI materials, and PMI materials
Density it is relatively low, so as to get mass of the top dome it is lighter, performance is more preferable.
As shown in Figure 1 and Figure 4, top dome is substantially square or rectangle, the corner of top dome are equipped with arc sections 5, top dome
Shape is different, its vibration and sound radiation is also different, so as to meet the sounding request of different size loudspeaker.
As depicted in figs. 1 and 2, for the utility model a kind of carbon fiber top dome a specific embodiment, recess is
The groove 6 being downwardly concaved along 4 inward flange of slab construction.
As shown in Fig. 2, the side wall 61 of groove 6 is intilted inclined-plane, be conducive to improve the vocal performance of top dome.
A specific embodiment according to the present utility model, is connected between side wall 61, which is logical by arc transition
Mould compacting is crossed to form.
As shown in Figure 4 and Figure 5, for the utility model a kind of carbon fiber top dome another specific embodiment, recess
For annular recess 7, it is downwardly concaved along the inward flange of slab construction 4.
As shown in Figure 4, Figure 5 and Figure 6, protrusion 8 is arranged on the centre of annular recess 7, and along annular recess 7
Edge is protruding upward.
A specific embodiment according to the present utility model, recess or protrusion 8 be by specific mould suppress and
Into, for the loudspeaker of different size, specific mould can be designed, so that produce different shapes, the top dome of specification in batches, it is multiple
Close the requirement of specific loudspeaker.
Preferably, the thickness of individual layer carbon fibre initial rinse fabric is 0.05mm-0.2mm, by varying individual layer carbon fibre initial rinse fabric
Thickness, the thickness of top dome can be changed, so as to produce the top dome of different-thickness.
Preferably, the thickness of PMI substrate layers 2 is 0.1mm-2mm, by varying the thickness of PMI substrate layers, can change top dome
Thickness, so as to produce the top dome of different-thickness.
A specific embodiment according to the present utility model, the junction at the edge and 4 inward flange of slab construction of groove 6 are
Arc transition, the arc transition suppress to be formed for mould.
A specific embodiment according to the present utility model, slab construction 4 and the connection surface of loudspeaker are equipped with damping
Pad, when top dome is installed on a speaker, beam can reduce the vibrations of top dome.
Embodiment described above is only the preferred embodiment to absolutely prove the utility model and being lifted, the utility model
Protection domain not limited to this.The equivalent substitute or change that those skilled in the art are made on the basis of the utility model
Change, within the scope of protection of the utility model.The scope of protection of the utility model is subject to claims.
Claims (9)
- A kind of 1. carbon fiber top dome, it is characterised in that including top dome, the top dome include the carbon fibre initial rinse fabric that is stacked and PMI substrate layers, the carbon fibre initial rinse fabric wrap up the PMI substrate layers, and the parallel upper surface for being compounded in the PMI substrate layers And lower surface, the edge of the top dome have the slab construction with being connected at the top of loudspeaker, the top dome central integration has Recess or protrusion.
- 2. a kind of carbon fiber top dome according to claim 1, it is characterised in that the top dome is substantially square or rectangular Shape, the corner of the top dome are equipped with arc sections.
- 3. a kind of carbon fiber top dome according to claim 2, it is characterised in that the female portion is along the slab construction The groove that inward flange is downwardly concaved.
- 4. a kind of carbon fiber top dome according to claim 3, it is characterised in that the side wall of the groove is intilted Inclined-plane.
- 5. a kind of carbon fiber top dome according to claim 2, it is characterised in that the female portion is annular recess, edge The inward flange of the slab construction is downwardly concaved.
- 6. a kind of carbon fiber top dome according to claim 5, it is characterised in that it is recessed that the protrusion is arranged on the annular Enter the centre in portion, and it is protruding upward along the inward flange of the annular recess.
- A kind of 7. carbon fiber top dome according to claim 1, it is characterised in that the thickness of carbon fibre initial rinse fabric described in individual layer For 0.05mm-0.2mm.
- 8. a kind of carbon fiber top dome according to claim 1, it is characterised in that the thickness of the PMI substrate layers is 0.1mm-2mm。
- 9. a kind of carbon fiber top dome according to claim 4, it is characterised in that the edge of the groove and the tablet knot The junction of structure inward flange is arc transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721265983.7U CN207251841U (en) | 2017-09-28 | 2017-09-28 | A kind of carbon fiber top dome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721265983.7U CN207251841U (en) | 2017-09-28 | 2017-09-28 | A kind of carbon fiber top dome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207251841U true CN207251841U (en) | 2018-04-17 |
Family
ID=61889427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721265983.7U Active CN207251841U (en) | 2017-09-28 | 2017-09-28 | A kind of carbon fiber top dome |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207251841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114630245A (en) * | 2022-04-07 | 2022-06-14 | 浙江旗声电子科技股份有限公司 | Loudspeaker diaphragm |
-
2017
- 2017-09-28 CN CN201721265983.7U patent/CN207251841U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114630245A (en) * | 2022-04-07 | 2022-06-14 | 浙江旗声电子科技股份有限公司 | Loudspeaker diaphragm |
| CN114630245B (en) * | 2022-04-07 | 2024-03-29 | 浙江旗声电子科技股份有限公司 | Loudspeaker diaphragm |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107257534A (en) | Carbon fiber top dome and its manufacture method | |
| CN206908841U (en) | A kind of complex vibration plate and the loudspeaker provided with the oscillating plate | |
| CN203883985U (en) | Loudspeaker diaphragm | |
| CN204498371U (en) | Speaker diaphragm and be provided with the loud speaker of this oscillating plate | |
| CN202652511U (en) | Loudspeaker diaphragm and loudspeaker | |
| JP4611906B2 (en) | Manufacturing method of speaker diaphragm and speaker diaphragm | |
| CN207070312U (en) | Vibrating diaphragm, loudspeaker monomer and electronic equipment for loudspeaker | |
| CN207124738U (en) | Reinforcement part and oscillating plate for sound-producing device | |
| CN104272768B (en) | Improvement type loudspeaker acoustic enclosure | |
| CN207968945U (en) | Carbon fiber top dome and loud speaker | |
| CN107968978B (en) | Vibrating diaphragm suitable for loudspeaker | |
| CN207251841U (en) | A kind of carbon fiber top dome | |
| CN113021945A (en) | Integrated preparation method of three-dimensional auxetic structure of foam filled composite material | |
| US20200260188A1 (en) | Speaker Diaphragm and Production Method Thereof | |
| CN102026060A (en) | Vibrating diaphragm and preparation method thereof | |
| CN201650621U (en) | High-rigidity glass steel laminated sheet | |
| CN107277733A (en) | Carbon fiber top dome and its manufacture method | |
| CN106851517A (en) | Vibrating diaphragm top dome, the preparation method of vibrating diaphragm top dome and loudspeaker | |
| JP4447818B2 (en) | Speaker diaphragm | |
| CN202098006U (en) | Light environment-friendly honeycomb composite board with sound-absorption vibration-reduction functions | |
| CN202488667U (en) | Diaphragm of electro-acoustic transducer | |
| CN202617336U (en) | Loudspeaker diaphragm and dome loudspeaker | |
| US9769570B2 (en) | Acoustic diaphragm | |
| US9716950B2 (en) | Diaphragm, loudspeaker using same, and electronic device and mobile device using loudspeaker | |
| JP5099224B2 (en) | Diaphragm, electroacoustic transducer, method for manufacturing diaphragm, and molded body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |