CN208353569U - Graphene sound diaphragm - Google Patents
Graphene sound diaphragm Download PDFInfo
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- CN208353569U CN208353569U CN201820537782.6U CN201820537782U CN208353569U CN 208353569 U CN208353569 U CN 208353569U CN 201820537782 U CN201820537782 U CN 201820537782U CN 208353569 U CN208353569 U CN 208353569U
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Abstract
A kind of graphene sound diaphragm includes round sound diaphragm ontology and annular fixing member, annular fixing member is fixed on the edge of round sound diaphragm ontology, round sound diaphragm ontology includes substrate layer, structural reinforcement, the first graphene layer, transition zone and the second graphene layer, graphene sound diaphragm passes through setting substrate layer, structural reinforcement, the first graphene layer, transition zone and the second graphene layer, structural reinforcement is attached on substrate layer, and structural reinforcement can reinforce the overall structural strength of graphene sound diaphragm；First graphene layer is attached on structural reinforcement, and the first graphene layer can reduce the low-frequency distortion rate of sound, and the performance sound for parsing various musical instruments that can be more visible；Second graphene layer is attached on transition zone, can further decrease the low-frequency distortion rate of sound, and be capable of the performance sound of the further more visible various musical instruments of parsing.
Description
Technical field
The utility model relates to sound technical field of membrane, more particularly to a kind of graphene sound diaphragm.
Background technique
Currently, sound film, in horn speaker, Dome loudspeaker, in order to assemble convenience, top dome vibrating diaphragm and voice coil are often
It bonds together, forms a component, it is referred to as sound film, is also vibrating diaphragm by we.
Existing, loudspeaker, especially earphone class moving-coil speaker have the following aspects: one, low frequency loses
It is really difficult to control, intermediate frequency and the excessive of high frequency have some setbacks, and the sound showed when playing the sound that Musical Instrument is played is unclear
It is clear；Two, distributing heat for the loudspeaker of small-sized high-power has certain difficulty.
Further, sound film mainly controls the element of acoustical behavior as loudspeaker, plays conclusive effect, commonly
Sound film frequency made of sound membrane material is low, distortion is high, and some reaches 5% or more, so that the sound that Musical Instrument is played out is broadcast
It puts away unintelligible and is not easy excessively having some setbacks for performance and intermediate frequency and high frequency.
Utility model content
Based on this, it is necessary to design a kind of low-frequency distortion rate that can reduce sound, and parsing that can be more visible is each
The graphene sound diaphragm of the performance sound of kind musical instrument.
A kind of graphene sound diaphragm, including round sound diaphragm ontology and annular fixing member, the annular fixing member are fixed on
The edge of the circle sound diaphragm ontology,
The circle sound diaphragm ontology includes substrate layer, structural reinforcement, the first graphene layer, transition zone and the second graphite
Alkene layer, the structural reinforcement are attached on the one side of the substrate layer, and first graphene layer is attached to the structure
On one side of the enhancement layer far from the substrate layer, the transition zone is attached to first graphene layer and adds far from the structure
On the one side of strong layer, second graphene layer is attached to the one side on the transition zone far from first graphene layer
On；
It is provided with top dome piece at the medium position of the circle sound diaphragm ontology, the edge of the top dome piece is provided with ventilative
Hole.
The substrate layer, the structural reinforcement, first graphene layer, the mistake in one of the embodiments,
The thickness proportion for crossing layer and second graphene layer is (20~50): (1~5): (1~6): (1~6): (1~7).
The substrate layer, the structural reinforcement, first graphene layer, the mistake in one of the embodiments,
The thickness proportion for crossing layer and second graphene layer is (25~45): (2~4): (2~4): (2~5): (2~6).
The substrate layer, the structural reinforcement, first graphene layer, the mistake in one of the embodiments,
The thickness proportion for crossing layer and second graphene layer is 30:3:2.5:4:5.
In one of the embodiments, between the top dome piece and the annular fixing member of the round sound diaphragm ontology
It is provided with vibration reinforcing strip.
Buffer groove is provided in the vibration reinforcing strip in one of the embodiments,.
The buffer groove has multiple in one of the embodiments, and each buffer groove is with the vibration reinforcing strip
Centered in dispersion shape be distributed.
Snap rings are additionally provided on the annular fixing member in one of the embodiments, having for the snap rings is in
" L " font cross section.
The air hole has multiple in one of the embodiments, and the air hole is circular through hole.
Above-mentioned graphene sound diaphragm passes through setting substrate layer, structural reinforcement, the first graphene layer, transition zone and the second stone
Black alkene layer, the structural reinforcement are attached on the substrate layer, and the structural reinforcement can reinforce the graphene sound film
The overall structural strength of piece；First graphene layer is attached on the structural reinforcement, and first graphene layer is based on
The characteristic of itself can have more tough mechanical performance, and elasticity is higher, and amplitude and frequency are bigger, can clearly go back original sound,
And be not easy to be distorted, first graphene layer can reduce the low-frequency distortion rate of sound, and parsing that can be more visible is various
The performance sound of musical instrument；The transition zone is attached to first graphene layer, and the transition zone can further enhance described
The overall structure stability of graphene sound diaphragm；Second graphene layer is attached on the transition zone, second graphite
Alkene layer can have more tough mechanical performance, elasticity is higher, and amplitude and frequency are bigger, can be clear based on the characteristic of itself
Also original sound, and be not easy to be distorted, the low-frequency distortion rate of sound can be further decreased, and being capable of further more visible parsing
The performance sound of various musical instruments.
Detailed description of the invention
Fig. 1 is the hierarchical structure schematic diagram of the round sound diaphragm ontology in one embodiment of the utility model；
Fig. 2 is the graphene sound diaphragm structural schematic diagram of another embodiment of the utility model；
Fig. 3 is the graphene sound diaphragm structural schematic diagram of the another embodiment of the utility model.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that making practical new to this
The disclosure of type understands more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
It, can be with it is to be particularly noted that the graphene sound diaphragm of the application can reduce low-frequency distortion to the greatest extent
Low-frequency distortion is reduced to 1% or less.And it can clearly parse the performance sound of happy kind of musical instrument.Above-mentioned graphene sound diaphragm
Can be manufactured with the following method: graphene powder or graphene dispersing solution are added adhesive and are sprayed on substrate (polyester material
Material) on, thickness is at 1~50 micron；Or graphene powder or graphene dispersing solution are added adhesive and are coated on substrate (polyester material
Material) on, thickness is at 1~50 micron；Or Graphene powder, by being vapor-deposited on substrate (polyester material), thickness is micro- 1~50
Rice；Above 3 membrane materials containing graphene molecules are shaped to the sound film of loudspeaker by heat pressing forming machines.Above-mentioned graphene sound
Diaphragm, which is applied to loudspeaker, especially earphone class moving-coil speaker, can be avoided low-frequency distortion, intermediate frequency and high frequency excessively more
It is smooth；Musical Instrument is played sound and is more clear, it is easier to show.For distributing with non-for small-sized high-power loudspeaker heat
Often good effect.The graphene sound diaphragm of this application is able to use on moving-coil class loudspeaker or on dynamic planar loudspeakers.This Shen
The required graphene of graphene sound diaphragm please is a kind of carbonaceous new material with two-dimensional structure, it has excellent
Electricity, calorifics and mechanical property.Graphene molecules are implanted into sound film surface, sound membrane property may be changed, possess it preferably
Low distortion rate, good high frequency ductility.The graphene sound diaphragm of the application is prepared using graphene atomization technique, is used
The graphene nano grade particles of atomization are hit and are attached to metal surface by the technology of high temperature and high-tension current；Or graphene molecules transfer
Technology.The graphene sound diaphragm of the application can extend bandwidth；Improve high frequency ductility；Ultra-low-distortion rate；It is that tone color is plentiful, solution
It is strong to analyse power, allows people to listen long and does not mind.The graphene sound diaphragm of the application completes implantation of the graphene on sound film, in electroacoustic sound film side
The application in face can improve distortion, so that loudspeaker is imitated high fidelity, and sense of hearing is analysed remove thoroughly clearly, and bass is thick and heavy, and intermediate frequency is analysed clearly,
High pitch is loud.The characteristics of live music can be restored.
In one embodiment, a kind of graphene sound diaphragm includes round sound diaphragm ontology and annular fixing member, the annular
Fixing piece is fixed on the edge of the round sound diaphragm ontology, the circle sound diaphragm ontology include substrate layer, structural reinforcement,
First graphene layer, transition zone and the second graphene layer, the structural reinforcement are attached on the one side of the substrate layer, institute
It states the first graphene layer to be attached on one side of the structural reinforcement far from the substrate layer, the transition zone is attached to institute
It states on one side of first graphene layer far from the structural reinforcement, second graphene layer is attached on the transition zone
On one side far from first graphene layer；Top dome piece, institute are provided at the medium position of the circle sound diaphragm ontology
The edge for stating top dome piece is provided with air hole, in this way, above-mentioned graphene sound diaphragm passes through setting substrate layer, structural reinforcement, the
One graphene layer, transition zone and the second graphene layer, the structural reinforcement are attached on the substrate layer, the structural strengthening
Layer can reinforce the overall structural strength of the graphene sound diaphragm；First graphene layer is attached to the structural reinforcement
On, first graphene layer can have more tough mechanical performance, elastic higher, amplitude and frequency based on the characteristic of itself
Rate is bigger, can clearly go back original sound, and be not easy to be distorted, and first graphene layer can reduce the low-frequency distortion rate of sound,
And can be more visible the various musical instruments of parsing performance sound；The transition zone is attached to first graphene layer, described
Transition zone can further enhance the overall structure stability of the graphene sound diaphragm；Second graphene layer is attached to institute
It states on transition zone, second graphene layer can have more tough mechanical performance based on the characteristic of itself, and elasticity is higher,
Amplitude and frequency are bigger, can clearly go back original sound, and be not easy to be distorted, can further decrease the low-frequency distortion rate of sound, with
And it is capable of the performance sound of the further more visible various musical instruments of parsing.
In order to be preferably illustrated to above-mentioned graphene sound diaphragm, to more fully understand the structure of above-mentioned graphene sound diaphragm
Think.Also referring to Fig. 1 and Fig. 2, graphene sound diaphragm 10 includes round sound diaphragm ontology 100 and annular fixing member 200, annular
Edge of the fixing piece 200 for fixed round sound diaphragm ontology 100, round sound diaphragm ontology 100 includes substrate layer 110, structure
Enhancement layer 120, the first graphene layer 130, transition zone 140 and the second graphene layer 150, structural reinforcement 120 are attached to substrate
On layer 110, structural reinforcement 120 can reinforce the overall structural strength of graphene sound diaphragm 10；First graphene layer 130 attaches
On structural reinforcement 120, the first graphene layer 130 can have more tough mechanical performance based on the characteristic of itself, elasticity
Higher, amplitude and frequency are bigger, can clearly go back original sound, and be not easy to be distorted, the first graphene layer 130 can reduce sound
Low-frequency distortion rate, and the performance sound for parsing various musical instruments that can be more visible；Transition zone 140 is attached to the first graphene layer
130, transition zone 140 can further enhance the overall structure stability of graphene sound diaphragm 10；Second graphene layer 150 attaches
On transition zone 140, the second graphene layer 150 can have more tough mechanical performance, elasticity is more based on the characteristic of itself
Height, amplitude and frequency are bigger, can clearly go back original sound, and be not easy to be distorted, can further decrease the low-frequency distortion rate of sound,
And it is capable of the performance sound of the further more visible various musical instruments of parsing.
Referring to Fig. 1, in an embodiment, substrate layer 110, structural reinforcement 120, the first graphene layer 130, transition zone
140 and second graphene layer 150 thickness proportion be (20~50): (1~5): (1~6): (1~6): (1~7)；For another example, institute
State the thickness ratio of substrate layer, the structural reinforcement, first graphene layer, the transition zone and second graphene layer
Example is (25~45): (2~4): (2~4): (2~5): (2~6)；For another example, the substrate layer, structural reinforcement, described
The thickness proportion of first graphene layer, the transition zone and second graphene layer is 30:3:2.5:4:5.
Please refer to figs. 2 and 3 together, in an embodiment, is arranged at the medium position of the circle sound diaphragm ontology 100
There is a top dome piece 160, on the circle sound diaphragm ontology 100, is provided with vibration between the top dome piece and the annular fixing member
Reinforcing strip 170；For another example, be provided with buffer groove 180 in the vibration reinforcing strip 170, from close to the top dome piece one end to
Close to one end of the annular fixing member, the fossaperturate of the buffer groove changes from small to big, then from large to small；For another example, described slow
Rush groove have it is multiple, each buffer groove centered on the vibration reinforcing strip in dispersion shape be distributed.The circle sound diaphragm
Top dome piece is provided at the medium position of ontology, the edge of the top dome piece is provided with air hole, i.e., the described top dome piece and described
Air hole is offered between vibration reinforcing strip, by the air hole, can preferably be processed.
Referring to Fig. 3, being additionally provided with snap rings 220 on the annular fixing member 200, having for the snap rings is in " L "
Font cross section；For another example, the air hole has multiple, and each air hole is circular through hole air hole.
Above-mentioned graphene sound diaphragm 10 passes through setting substrate layer 110, structural reinforcement 120, the first graphene layer 130, mistake
It crosses layer 140 and the second graphene layer 150, structural reinforcement 120 is attached on substrate layer 110, structural reinforcement 120 can be reinforced
The overall structural strength of graphene sound diaphragm 10；First graphene layer 130 is attached on structural reinforcement 120, the first graphene
Layer 130 can have more tough mechanical performance, elasticity is higher, and amplitude and frequency are bigger, can be clear based on the characteristic of itself
Also original sound, and be not easy to be distorted, the first graphene layer 130 can reduce the low-frequency distortion rate of sound, and can be more visible
Parse the performance sound of various musical instruments；Transition zone 140 is attached to the first graphene layer 130, and transition zone 140 can further enhance
The overall structure stability of graphene sound diaphragm 10；Second graphene layer 150 is attached on transition zone 140, the second graphene layer
150, based on itself characteristic, can have more tough mechanical performance, elasticity is higher, and amplitude and frequency are bigger, can clearly go back
Original sound, and be not easy to be distorted, can further decrease the low-frequency distortion rate of sound, and can further more visible parsing it is each
The performance sound of kind musical instrument.
For simplicity of description, combination not all possible to each technical characteristic in above-described embodiment is all described,
As long as all should be considered as described in this specification however, there is no contradiction in the combination of these technical features.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed
Carefully, but it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (9)
1. a kind of graphene sound diaphragm, including round sound diaphragm ontology and annular fixing member, the annular fixing member are fixed on institute
State the edge of round sound diaphragm ontology, which is characterized in that
The circle sound diaphragm ontology includes substrate layer, structural reinforcement, the first graphene layer, transition zone and the second graphene
Layer, the structural reinforcement are attached on the one side of the substrate layer, and first graphene layer is attached to the structure and adds
On strong one side of the layer far from the substrate layer, the transition zone is attached to first graphene layer far from the structural strengthening
On the one side of layer, second graphene layer is attached to the one side on the transition zone far from first graphene layer
On；
It is provided with top dome piece at the medium position of the circle sound diaphragm ontology, the edge of the top dome piece is provided with air hole.
2. graphene sound diaphragm according to claim 1, which is characterized in that the substrate layer, the structural reinforcement, institute
The thickness proportion for stating the first graphene layer, the transition zone and second graphene layer is (20~50): (1~5): (1~
6): (1~6): (1~7).
3. graphene sound diaphragm according to claim 2, which is characterized in that the substrate layer, the structural reinforcement, institute
The thickness proportion for stating the first graphene layer, the transition zone and second graphene layer is (25~45): (2~4): (2~
4): (2~5): (2~6).
4. graphene sound diaphragm according to claim 3, which is characterized in that the substrate layer, the structural reinforcement, institute
The thickness proportion for stating the first graphene layer, the transition zone and second graphene layer is 30:3:2.5:4:5.
5. graphene sound diaphragm according to claim 1, which is characterized in that the top dome of the circle sound diaphragm ontology
Vibration reinforcing strip is provided between piece and the annular fixing member.
6. graphene sound diaphragm according to claim 5, which is characterized in that it is recessed to be provided with buffering in the vibration reinforcing strip
Slot.
7. graphene sound diaphragm according to claim 6, which is characterized in that the buffer groove have it is multiple, it is each described slow
Groove is rushed to be distributed centered on the vibration reinforcing strip in dispersion shape.
8. graphene sound diaphragm according to claim 1, which is characterized in that be additionally provided with engaging on the annular fixing member
Ring, having for the snap rings is in " L " font cross section.
9. graphene sound diaphragm according to claim 1, which is characterized in that the air hole has multiple, the air hole
For circular through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820537782.6U CN208353569U (en) | 2018-04-16 | 2018-04-16 | Graphene sound diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820537782.6U CN208353569U (en) | 2018-04-16 | 2018-04-16 | Graphene sound diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208353569U true CN208353569U (en) | 2019-01-08 |
Family
ID=64884799
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820537782.6U Active CN208353569U (en) | 2018-04-16 | 2018-04-16 | Graphene sound diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208353569U (en) |
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2018
- 2018-04-16 CN CN201820537782.6U patent/CN208353569U/en active Active
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