CN110351637A - For the reinforcement part of sounding device, oscillating plate and sounding device - Google Patents
For the reinforcement part of sounding device, oscillating plate and sounding device Download PDFInfo
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- CN110351637A CN110351637A CN201910557210.3A CN201910557210A CN110351637A CN 110351637 A CN110351637 A CN 110351637A CN 201910557210 A CN201910557210 A CN 201910557210A CN 110351637 A CN110351637 A CN 110351637A
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- sounding device
- aerosil
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
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- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
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Abstract
The present invention relates to a kind of for the reinforcement part of sounding device, oscillating plate and sounding device.Wherein, which includes the body layer formed by aerosil, and the aerosil is in tridimensional network;Distinguish secure bond matcoveredn in two surfaces of the body layer;The thickness of the body layer can control in 0.01-0.5mm.A technical effect of the invention are as follows: the reinforcement part to be formed can be made to have the characteristics that high-modulus low-density, the acoustical behavior of sounding device can be improved.
Description
Technical field
The present invention relates to electroacoustic switch technology fields, more particularly it relates to a kind of reinforcement for sounding device
Portion, oscillating plate and sounding device.
Background technique
In recent years, with the fast development of electroacoustic techniques, various electro-acoustic products make rapid progress.Sounding device is incited somebody to action as a kind of
Electric signal is converted to the energy converter of voice signal, is device indispensable in electro-acoustic product.Nowadays, sounding device has been
It is widely used in the various differences such as mobile phone, tablet computer, laptop, VR equipment, smartwatch and intelligence wearing
In the terminal electronic device of type.
For the prior art, the structure of sounding device is general are as follows: including magnetic circuit system, vibrational system and auxiliary system
Deng.Wherein, vibrational system includes oscillating plate and voice coil.No with smart phone, smartwatch and intelligence wearing etc.
Disconnected iteration upgrading, for applied to the sounding device in these terminal electronic devices, more stringent requirements are proposed, this is also to sounding
The performance of vibrational system in device, oscillating plate especially therein also proposed higher requirement.
Existing oscillating plate, material of main part generally use PMI/PET foamed material or polyesters foamed material, and
Existing this oscillating plate has all bad an etc. system of lower specific modulus, heavier mass and heat-resisting quantity and water resistance mostly
Column defects, it is unobvious that this promotes the high frequency performance of oscillating plate, is unable to satisfy acoustical demands.
Summary of the invention
The purpose of the present invention is to provide a kind of new solutions of reinforcement part for sounding device.
According to the first aspect of the invention, a kind of reinforcement part for sounding device is provided, including by silica
The body layer that aeroge is formed, wherein the aerosil is tridimensional network;
Distinguish secure bond matcoveredn in two surfaces of the body layer;
The body layer with a thickness of 0.01-0.5mm.
Optionally, the protective layer be carbon fiber layer, and the protective layer with a thickness of 0.01-0.1mm.
Optionally, the carbon fiber layer is configured as the heated sizing of carbon fiber prepreg by being coated on body layer
It is formed;The carbon fiber prepreg is mixed using carbon fiber with epoxy resin.
Optionally, the protective layer be adhesive film, the adhesive film in a manner of bonding secure bond in the protective layer
On.
Optionally, the adhesive film is using any one in epoxy glue, acrylate glue, silica gel, phenolic resin glue.
Optionally, the reinforcement part for sounding device further includes secure bond at least one protective layer
Enhancement layer.
Optionally, the enhancement layer use metal material, and the enhancement layer with a thickness of 0.006-0.1mm.
Optionally, the enhancement layer use engineering plastic materials, and the enhancement layer with a thickness of 0.001-0.1mm.
According to the second aspect of the invention, a kind of oscillating plate, including any of the above-described kind of reinforcement part are provided, around setting
Ring portion on the outside of the reinforcement part, and it is circumferentially positioned at the fixed part on the outside of the ring portion.
According to the third aspect of the present invention, a kind of sounding device is provided, including above-mentioned oscillating plate.
Reinforcement part provided in an embodiment of the present invention for sounding device, is made main body using silica aerogel material
Layer, and matcoveredn is set on the body layer, so that reinforcement part forms multi-layer compound structure.Benefit provided in an embodiment of the present invention
Strong portion has the characteristics that high ratio modulus, light weight and good rigidity.Moreover, the reinforcement part also has excellent temperature tolerance, compression
Intensity and hydrophobicity.The reinforcement part is applied on oscillating plate, can make oscillating plate that there is good acoustical behavior.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
The attached drawing for constituting part of specification describes the embodiment of the present invention, and together with the description for solving
Release the principle of the present invention.
Fig. 1 is the structural schematic diagram of the first reinforcement part provided in an embodiment of the present invention.
Fig. 2 is the structural schematic diagram of second of reinforcement part provided in an embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the third reinforcement part provided in an embodiment of the present invention.
Fig. 4 is the structural schematic diagram of the 4th kind of reinforcement part provided in an embodiment of the present invention.
Fig. 5 is the structural schematic diagram of the 5th kind of reinforcement part provided in an embodiment of the present invention.
Fig. 6 is the structural schematic diagram of the 6th kind of reinforcement part provided in an embodiment of the present invention.
Fig. 7 is the structural schematic diagram of aerosil provided in an embodiment of the present invention.
Fig. 8 is the partial structural diagram of aerosil provided in an embodiment of the present invention.
Description of symbols:
1- body layer, 2- protective layer, 3- enhancement layer.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation
Under, the technology and equipment should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
The embodiment of the invention provides the reinforcement parts for sounding device.In the present invention, the shape for reinforcement part, ruler
Very little wait is not further limited.The shape of the reinforcement part can be depending on concrete application situation.The reinforcement part can be circle
The shape well-known to those skilled in the art such as shape, rectangle, ellipse in specific application can be according to actual demand
The different shape such as plane or spherical surface is made, can be directly applied on oscillating plate later.
Reinforcement part provided in an embodiment of the present invention for sounding device, with reference to shown in Fig. 1 and Fig. 2, structure are as follows: packet
The body layer 1 formed by silica aerogel material is included, the thickness of the body layer 1 can control in 0.01-0.5mm,
In, the aerosil is tridimensional network.It fixed respectively on two surfaces of the body layer 1 can set
Set protective layer 2, protective layer 2 can play a good protective effect to body layer 1 (such as: aerosil).The present invention
The middle material using aerosil as body layer 1, can make the reinforcement part to be formed have high ratio modulus, light weight,
And the feature that rigidity is good.Using the oscillating plate of the reinforcement part can be applied to mobile phone, tablet computer, laptop, VR equipment,
In the different types of terminal electronic device such as smartwatch and intelligence wearing.
Reinforcement part provided in an embodiment of the present invention for sounding device, body layer use aerosil material
Material.Specifically, aerosil is a kind of lighter weight, and the inorganic non-metallic material with porous structure, can be with
The weight of substantially reduced oscillating plate.
Aerosil is built-up by silicon dioxide granule, refering to what is shown in Fig. 7, it is netted with three-dimensional manometer
Structure, and aerosil has constitutional repeating unit.Refering to what is shown in Fig. 8, wherein, at least one of X, Y, Z can be with
It is, but not limited to, oxygen atom, CH3, OH.
Aerosil can be prepared using such as sol-gel process.It is of course also possible to use this field is ripe
The other methods known are prepared, the invention is not limited in this regard.
Compared with traditional PMI/PET foam material, silica aerogel material is applied to production reinforcement part
Material has apparent advantage.Specifically:
(1) aerosil temperature tolerance is higher.300 DEG C or more of high temperature can be born in air.In fact, working as
When sounding device is in working condition, the high-frequency vibration of voice coil can generate the phenomenon that local temperature increases in vibrational system, and mend
Strong portion can effectively slow down the failure as caused by high temperature using aerosil, so as to extend making for oscillating plate
Use the service life.
(2) aerosil has good hydrophobicity.From the point of view of the structure of aerosil, silica
The surface of aeroge is covered with the hydrophobic groups such as methyl, so that hydrophobic angle can achieve 160 ° of >.Good hydrophobicity can be kept away
Exempt from absorption of the oscillating plate to steam in production process, drying process can be saved in this way, reduces production cost, it can also be effective
Improve the reliability of product.
(3) aerosil modulus with higher.Usually, the modulus of aerosil is greater than
300Mpa has the characteristics that high-modulus.Using oscillating plate made of aerosil, rigidity can be relatively high.And it is high
Modulus-to-density ratio the spread speed of sound can be improved, reduce sounding device distortion, widen high frequency ductility etc..
(4) density of aerosil is smaller, and aerosil has porous structure, and aperture can reach
To 1-100nm, porosity 85%-99.9%, density 0.003-0.15g/cm3, using oscillating plate made of it with it is existing
Oscillating plate compare, have the characteristics that light weight, intermediate frequency sensitivity can be significantly improved.
(5) silica aerogel material has the characteristics that compressive strength is high, compressive strength can achieve 10Mpa with
On.Problem on deformation caused by can reducing because of the compression in production process in this way, so as to optimized production process.
In the present invention, protective layer 2 is mainly for the protection of body layer 1 (such as: aerosil).
Optionally, protective layer 2 can use glue film, can also use carbon fibre material.Protective layer 2 uses glue film can be with
Moisture-proof effect is played to body layer 1, especially suitable for the biggish region of humidity ratio.And protective layer 2 can using carbon fibre material
To be obviously improved the rigidity of entire reinforcement part.It in specific application, can be according to the actual needs flexible choice to reinforcement part
The material of protective layer 2.
It should be noted that the thickness general control of body layer 1 is 0.01- when using glue film as protective layer 2
0.5mm, at this point, the thickness of glue film can be set according to the thickness requirements to reinforcement part entirety.And the thickness of reinforcement part entirety
It is related with the size of assembly space, it can be adjusted flexibly according to the special case in electronic equipment, the present invention does not limit this
System.When forming protective layer 2 on body layer 1 using carbon fiber, usually by the thickness control of carbon fiber layer in 0.01-0.1mm.
The thickness of carbon fiber layer is not easy blocked up, otherwise the rigidity of reinforcement part can be made too strong, can reduce vibration sensitivity.And due to carbon fiber
The price of dimension is relatively high, and the production cost that will also result in reinforcement part increases.Certainly, the thickness of carbon fiber layer is also not easy excessively thin, no
The purpose for promoting reinforcement part rigidity cannot then be played.In the present invention, by the thickness control of carbon fiber layer in 0.01-0.1mm, this
When, carbon fiber layer can make the reinforcement part to be formed have suitable rigidity, the spies such as weight in conjunction with aerosil layer
Property.
When protective layer 2 is using glue film, glue film be can choose using in epoxy glue, acrylate glue, silica gel, phenolic resin glue
Any one.At this point, adhesive film is directly fixed on the table of body layer 1 (such as: aerosil) in a manner of bonding
On face.Combination is simple, is very easy to be made.
When protective layer 2 is using carbon fiber, need carbon fiber being first mixed to form carbon fiber prepreg with resin material, then
Carbon fiber prepreg is supported on to two tables of body layer 1 (such as: aerosil) in a manner of spraying or smearing etc.
On face, carbon fiber both can be made to be incorporated on the surface of body layer 1 by heating later, i.e., body layer 1 (such as: dioxy
SiClx aeroge) surface on form carbon fiber layer.
With reference to shown in Fig. 3-Fig. 5, in order to further protect body layer 1 (such as: aerosil), Yi Jifu
Give the performances such as the better rigidity in entire reinforcement part 1, can also at least one protective layer 2 secure bond enhancement layer 3.
Wherein, enhancement layer 3 can use metal material well known to those skilled in the art.When enhancement layer 3 uses metal material
When material, the thickness of enhancement layer 3 be can control in 0.006-0.1mm.
Wherein, enhancement layer 3 can also use engineering plastic materials.When enhancement layer 3 is using engineering plastic materials, enhancement layer
3 thickness can control in 0.001-0.1mm.
Enhancement layer 3 is combined with protective layer 2, better guarantor can be played to body layer 1 (such as: aerosil)
Shield effect can also make manufactured reinforcement part have good rigidity, and simultaneously based on the selection to reinforcement material and thickness
The weight of reinforcement part will not be obviously improved.That is, oscillating plate will not be made overweight, i.e., when reinforcement part is applied to oscillating plate
It can make oscillating plate integrally and have the characteristics that and is light.
It should be noted that engineering plastic materials, compared with metal material, the rigidity of engineering plastic materials is not so good as metal material
Material, so can make reinforcement part that there is better rigidity when enhancement layer 3 is using metal material.But engineering plastic materials have
There are the advantages such as at low cost and light weight.It can be adjusted flexibly according to the actual situation in specific application.
Reinforcement part for sounding device of the invention can have various structures, can be applied to mobile phone, tablet computer,
In the different types of terminal electronic devices such as laptop, VR equipment, smartwatch and intelligence wearing.
Several structures of reinforcement part provided in an embodiment of the present invention are illustrated respectively below.
Embodiment 1
With reference to embodiment shown in fig. 1, the reinforcement part provided in this embodiment for sounding device, including by silica
The body layer 1 that aeroge is formed and the protective layer 2 formed by glue film, and the protective layer 2 is respectively formed at the upper of body layer 1
On lower two surfaces.That is, in the present embodiment, reinforcement part includes aerosil layer, and is fixed at
Adhesive film above and below the aerosil layer on two surfaces.
In the present embodiment, the thickness of aerosil layer may be controlled to 0.01-0.5mm.
In the present embodiment, the thickness of adhesive film can be according to the thickness requirements flexible setting to reinforcement part.Adhesive film can be with
Using any one in epoxy glue, acrylate glue, silica gel, phenolic resin glue.Also, adhesive film can be by the way of bonding
It is fixed on two surfaces up and down of aerosil layer.Adhesive film can play aerosil layer good
Good protective effect, especially adhesive film can completely cut off humid air, have certain moisture-proof role.Moreover, adhesive film can be very
It readily is fixed on aerosil layer, combination is very simple.
The reinforcement part of the present embodiment has the characteristics that high-modulus low-density, due to outside have adhesive film protection also have both it is good
Good hydrophobicity compares the big situation of workable moisture and uses.
Embodiment 2
With reference to Fig. 2 shows embodiment, the reinforcement part provided in this embodiment for sounding device, including by silica
The body layer 1 that aeroge is formed and the protective layer 2 formed by carbon fibre material, and the protective layer 2 is respectively formed at main body
On two surfaces up and down of layer 1.That is, in the present embodiment, reinforcement part includes aerosil layer, and fixed
Carbon fiber layer on two surfaces of the aerosil layer or more is set.
In the present embodiment, the thickness of aerosil layer may be controlled to 0.01-0.5mm.
In the present embodiment, the thickness control of carbon fiber layer is in 0.01-0.1mm.By rationally designing the thickness of carbon fiber layer,
It can make the strengthening course to be formed that there is preferable rigidity, while carbon fiber layer can also play aerosil layer well
Protective effect.
Carbon fiber layer is formed on the surface of aerosil layer, the specific method is as follows:
First carbon fiber and epoxy resin are mixed, to form carbon fiber prepreg;Later by carbon fiber prepreg
It is respectively coated on upper and lower two surfaces of aerosil layer, by heating, carbon fiber prepreg can be made to solidify two
On silica aerogel layer, i.e., carbon fiber layer is respectively formed on two surfaces of aerosil layer.
The reinforcement part of the present embodiment has high-modulus, light weight and suitable rigidity, is very suitable to have one to rigidity
The oscillating plate of provisioning request.
Embodiment 3
Embodiment with reference to shown in Fig. 3, the reinforcement part provided in this embodiment for sounding device, including by silica
The body layer 1 that aeroge is formed, the protective layer 2 formed by glue film, and the enhancement layer 3 formed by metal material, wherein protection
Layer 2 is respectively formed on two surfaces up and down of body layer 1, and enhancement layer 3 is formed on two protective layers 2.That is,
In the present embodiment, reinforcement part includes aerosil layer, the glue film being formed on two surface of aerosil layer
Layer, and the metal material layer being formed on every layer of adhesive film.
In the present embodiment, the thickness control of aerosil layer is 0.01-0.5mm, and the thickness of metal material layer can
To control as 0.006-0.1mm.
In the present embodiment, adhesive film can be using any one in epoxy glue, acrylate glue, silica gel, phenolic resin glue.
Adhesive film can be using on upper and lower two surfaces for being fixed at aerosil layer by the way of bonding, and metal material
The bed of material can be directly bonded on adhesive film.Adhesive film other than being played a certain protective role to aerosil layer,
It is also used to connect metal material layer.Wherein, the thickness of adhesive film is related to the thickness of entire reinforcement part, can be according to reinforcement part
The thickness of thickness flexible setting adhesive film.It should be noted that the integral thickness of reinforcement part be not easy it is blocked up, otherwise when it is applied to
After on oscillating plate, the sensitivity of vibration panel vibration is influenced whether.
In the present embodiment, adhesive film can play a good protective effect to aerosil layer, especially glue film
Layer can play the role of completely cutting off humid air, that is, have certain moisture-proof role, can be also used for bonded metal material layer.And lead to
Crossing metal material layer can be improved the rigidity of entire reinforcement part.But compared with carbon fiber layer, rigidity is more slightly lower.Specifically answering
Carbon fiber layer or metal material layer can be selected according to the rigidity requirement to oscillating plate in.
Embodiment 4
Embodiment with reference to shown in Fig. 4, the reinforcement part provided in this embodiment for sounding device, including by silica
The body layer 1 that aeroge is formed, the protective layer 2 formed by glue film, and the enhancement layer 3 formed by engineering plastic materials, wherein
Protective layer 2 is respectively formed on upper and lower two surfaces of body layer 1, and enhancement layer 3 is formed on two protective layers 2.Namely
It says, in the present embodiment, reinforcement part includes aerosil layer, is formed in upper and lower two of aerosil layer
Adhesive film on surface, and the engineering plastic bed of material being formed on every layer of adhesive film.
In the present embodiment, the thickness control of aerosil layer is 0.01-0.5mm, and the thickness of the engineering plastic bed of material can
To control as 0.001-0.1mm.
In the present embodiment, adhesive film can be using any one in epoxy glue, acrylate glue, silica gel, phenolic resin glue.
Adhesive film can be using on two surfaces for being fixed at aerosil layer by the way of bonding, and the engineering plastic bed of material can
To be bonded on adhesive film.Adhesive film is also used to connect other than playing a certain protective role aerosil layer
The engineering plastic bed of material.The thickness of adhesive film is related to the thickness of entire reinforcement part, can be according to the thickness flexible setting glue of reinforcement part
The thickness of film layer.It should be noted that the integral thickness of reinforcement part be not easy it is blocked up, otherwise after it is applied on oscillating plate, meeting
Influence the sensitivity of vibration panel vibration.
In the present embodiment, adhesive film can play a good protective effect to aerosil layer, and adhesive film has
Moisture-proof role can be also used for the bonding engineering plastic bed of material.The rigidity of entire reinforcement part, but and metal can be improved in the engineering plastic bed of material
Material layer (for example, embodiment 4) is compared, rigid or more slightly lower, but has the characteristics that production cost is low and light weight.
Embodiment 5
Embodiment with reference to shown in Fig. 5, the reinforcement part provided in this embodiment for sounding device, including by silica
The body layer 1 that aeroge is formed, the protective layer 2 formed by glue film, and the enhancing formed by engineering plastic materials/metal material
Layer 3, wherein protective layer 2 is respectively formed on upper and lower two surfaces of body layer 1, and one that enhancement layer 3 is formed therein
On protective layer 2.That is, in the present embodiment, reinforcement part includes aerosil layer, it is formed in silica airsetting
Adhesive film on upper and lower two surfaces of glue-line, and the engineering plastic bed of material/metal material layer being formed on an adhesive film.
In the present embodiment, the thickness control of aerosil layer is 0.01-0.5mm.The thickness of the engineering plastic bed of material can
To control as 0.001-0.1mm, either, the thickness control of metal material layer is in 0.006-0.1mm.
In the present embodiment, adhesive film can be using any one in epoxy glue, acrylate glue, silica gel, phenolic resin glue.
Adhesive film can using bonding by the way of be fixed at aerosil layer two surfaces on, the engineering plastic bed of material/gold
Belonging to material layer can bond on one of them adhesive film.
Reinforcement part provided in this embodiment is processed since an engineering plastic bed of material or a metal material layer is only arranged
Method is more simple.The reinforcement part that the engineering plastic bed of material is arranged in terms of rigidity can be lower by one than the reinforcement part of metal material layer is arranged
A bit, but two kinds of structures can satisfy the demand to reinforcement part rigidity, can be according to actual selection flexible in application.
Embodiment 6
Embodiment with reference to shown in Fig. 6, the reinforcement part provided in an embodiment of the present invention for sounding device, can also be only
Including the body layer 1 formed by aerosil, as single layer structure.It that is can not also be silica airsetting
Protective layer 2, enhancement layer 3 is arranged in glue.Wherein, the thickness control of body layer 1 is in 0.01-0.5mm, in order to be assembled into sounding
In device.
Characteristic of the reinforcement part based on silica aerogel material, has the characteristics that high-modulus low-density.But due to
It is not provided with protective layer 2, enhancement layer 3, is likely to result in the short problem of service life, but its comparison is convenient, and makes
Cost is more lower.
Reinforcement part provided by the invention, however it is not limited to structure described in above-described embodiment 1-6.Also, it is specifically applying
In the suitable structure of flexible choice can use according to specific circumstances, the invention is not limited in this regard.
On the other hand, the embodiment of the invention also provides a kind of oscillating plates, including any of the above-described kind of reinforcement part, around setting
Ring portion on the outside of the reinforcement part, and it is circumferentially positioned at the fixed part on the outside of the ring portion.
Wherein, ring portion is be bonded with being carried out between reinforcement part, fixed part by glue or adhesive tape.Ring portion can be single
Layer structure, or multi-layer compound structure.Specifically: ring portion can using engineering plastic materials (such as: peek, par
Deng), elastomeric material (such as: tpu, tpee, silicon rubber etc.), glue film (such as: esters of acrylic acid glue, organic silicon glue etc.) etc.
Material known to field.Based on the size requirement of assembly space in sounding device, the thickness in usual ring portion be can control
0.02mm-0.5mm.It is of course also possible to be adjusted flexibly according to actual assembly space size, the invention is not limited in this regard.
Another aspect, the embodiment of the invention also provides a kind of sounding device, which includes magnetic circuit system, and
With the vibrational system of magnetic circuit system cooperation.Wherein, vibrational system includes above-mentioned oscillating plate and secure bond in oscillating plate one
The voice coil of side.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that above example merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of reinforcement part for sounding device, which is characterized in that including the body layer formed by aerosil,
In, the aerosil is tridimensional network;
Distinguish secure bond matcoveredn in two surfaces of the body layer;
The body layer with a thickness of 0.01-0.5mm.
2. the reinforcement part according to claim 1 for sounding device, which is characterized in that the protective layer is carbon fiber
Layer, and the protective layer with a thickness of 0.01-0.1mm.
3. the reinforcement part according to claim 2 for sounding device, which is characterized in that the carbon fiber layer is configured as
It is formed by the heated sizing of the carbon fiber prepreg being coated on body layer;
The carbon fiber prepreg is mixed using carbon fiber with epoxy resin.
4. the reinforcement part according to claim 1 for sounding device, which is characterized in that the protective layer is adhesive film,
The adhesive film in a manner of bonding secure bond on the protective layer.
5. the reinforcement part according to claim 4 for sounding device, which is characterized in that the adhesive film uses epoxy
Glue, acrylate glue, silica gel, any one in phenolic resin glue.
6. the reinforcement part according to claim 1 for sounding device, which is characterized in that further include secure bond at least
Enhancement layer on one protective layer.
7. the reinforcement part according to claim 6 for sounding device, which is characterized in that the enhancement layer uses metal material
Material, and the enhancement layer with a thickness of 0.006-0.1mm.
8. the reinforcement part according to claim 6 for sounding device, which is characterized in that the enhancement layer uses engineering plastic
Expect material, and the enhancement layer with a thickness of 0.001-0.1mm.
9. a kind of oscillating plate, which is characterized in that including the described in any item reinforcement parts claim 1-8, be circumferentially positioned at described
Ring portion on the outside of reinforcement part, and it is circumferentially positioned at the fixed part on the outside of the ring portion.
10. a kind of sounding device, which is characterized in that including oscillating plate as claimed in claim 9.
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