CN205754825U - A kind of top dome structure and the vibrating diaphragm assembly of sound-producing device - Google Patents
A kind of top dome structure and the vibrating diaphragm assembly of sound-producing device Download PDFInfo
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- CN205754825U CN205754825U CN201620401017.2U CN201620401017U CN205754825U CN 205754825 U CN205754825 U CN 205754825U CN 201620401017 U CN201620401017 U CN 201620401017U CN 205754825 U CN205754825 U CN 205754825U
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- top dome
- dome structure
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- foaming body
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Abstract
This utility model relates to the vibrating diaphragm assembly of a kind of top dome structure and sound-producing device, including the polyimides foaming body layer with porous, the upper surface of described polyimides foaming body layer is provided with the first laminating layer, the lower surface of described polyimides foaming body layer is provided with the second laminating layer；Wherein, described first laminating layer, the second laminating layer select metal or plastic material to make respectively.Top dome structure of the present utility model, its intermediate layer uses the polyimides foaming body with porous, two ends use aluminium foil, titanium platinum or engineering plastics laminating up and down, this not only reduces the quality of whole top dome structure, and the polyimides foaming body with porous can be the internal damping that the offer of top dome structure is bigger, such that it is able to improve the sounding performance of vibrating diaphragm.Meanwhile, polyimide material has higher temperature tolerance, can improve temperature tolerance and the service life of speaker；And its cost is relatively low.
Description
Technical field
This utility model relates to a kind of top dome structure for vibrating diaphragm, and this utility model further relates to a kind of sending out
The vibrating diaphragm assembly of acoustic device.
Background technology
Speaker as a kind of parts that can convert electrical energy into acoustic energy, its be widely used in mobile phone,
In the terminal electronics such as flat board, computer, PAD.The structure of speaker generally comprise magnetic circuit system,
Vibrational system and aid system；Wherein vibrational system mainly includes vibrating diaphragm and voice coil loudspeaker voice coil.Generally,
In order to strengthen the performance of product high frequency position, generally arrange on vibrating diaphragm top dome structure (DOME, it is possible to
It is referred to as reinforcement part or composite part).The material that top dome many selections rigidity is bigger is made, and adds from this
Weigh the oscillating mass of vibrational system；And top dome structure of the prior art, its damping is poor,
Above-mentioned various factors the most finally have impact on the sounding performance of vibrating diaphragm, and this does not meets modern consumer to raising one's voice
The high request development of device performance.
Utility model content
A purpose of the present utility model there is provided a kind of top dome structure.
According to an aspect of the present utility model, it is provided that a kind of top dome structure, including having the poly-of porous
Acid imide foaming body layer, is provided with the first laminating layer in the upper surface of described polyimides foaming body layer,
The lower surface of described polyimides foaming body layer is provided with the second laminating layer；Wherein, described first patch
Close layer, the second laminating layer selects metal or plastic material to make respectively.
Preferably, described first laminating layer, the second laminating layer select aluminium foil, titanium foil, magnalium to close respectively
Gold or engineering plastic materials are made
Preferably, described first laminating layer and the second laminating layer use different materials.
Preferably, described first laminating layer and the second laminating layer use identical material.
Preferably, the thickness of described first laminating layer and the second laminating layer is identical, so that the first laminating layer,
Second laminating layer is symmetrical relative to polyimides foaming body layer.
Preferably, the thickness of described top dome structure is 0.05mm-0.5mm；Described polyimides foaming body
The thickness of layer is 0.03mm-0.45mm.
Preferably, described top dome structure is tabular.
Preferably, described top dome structure is provided with bends towards the convex closure structure of side.
Preferably, described first laminating layer, the second laminating layer are sent out at polyimides by glue bond respectively
In blister layer.
This utility model additionally provides the vibrating diaphragm assembly of a kind of sound-producing device, including vibrating diaphragm, described vibrating diaphragm
Including the vibration section in the middle part of being positioned at, it is positioned at the connecting portion at edge, and connects described vibration section and be connected
The ring portion in portion, is provided with above-mentioned top dome structure on the vibration section of described vibrating diaphragm.
Top dome structure of the present utility model, its intermediate layer uses the polyimides foaming body with porous,
Two ends use aluminium foil, titanium platinum or engineering plastics laminating up and down, and this not only reduces whole top dome structure
Quality, and the polyimides foaming body with porous can be the internal damping that the offer of top dome structure is bigger,
Such that it is able to improve the sounding performance of vibrating diaphragm.Meanwhile, polyimide material has higher temperature tolerance,
Temperature tolerance and the service life of speaker can be improved；And its cost is relatively low.
By detailed description to exemplary embodiment of the present utility model referring to the drawings, this practicality
Novel further feature and advantage thereof will be made apparent from.
Accompanying drawing explanation
The accompanying drawing of the part constituting description describes embodiment of the present utility model, and together with saying
Bright book is used for explaining principle of the present utility model together.
Fig. 1 is the profile of this utility model top dome structure.
Fig. 2 is the profile of this utility model top dome another embodiment of structure.
Fig. 3 is the profile of this utility model vibrating diaphragm assembly.
Detailed description of the invention
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should be noted that
Arrive: unless specifically stated otherwise, the relative cloth of the parts illustrated the most in these embodiments and step
Put, numerical expression and numerical value are not intended to scope of the present utility model.
Description only actually at least one exemplary embodiment is illustrative below, never makees
For to this utility model and application thereof or any restriction of use.
May be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but
In the appropriate case, described technology and equipment should be considered a part for description.
Shown here with in all examples discussed, any occurrence should be construed as merely example
Property rather than as limit.Therefore, other example of exemplary embodiment can have different
Value.
It should also be noted that similar label and letter represent similar terms, therefore, one in following accompanying drawing
A certain Xiang Yi the accompanying drawing of denier is defined, then need not it is carried out further in accompanying drawing subsequently
Discuss.
This utility model is in order to solve problems of the prior art, it is provided that a kind of top dome structure,
This top dome structure not only can meet rigidity requirement, it is also possible to meets the prescription of diaphragm oscillations, and
And this top dome structure has more preferable damping, the sounding performance of vibrating diaphragm can be improved.
With reference to Fig. 1, a kind of top dome structure 1 that this utility model provides, it includes that polyimides foams
Body layer 11, this polyimides foaming body layer 11 uses polyimide material to make, has many inside it
Pore structure.The upper surface of described polyimides foaming body layer 11 is provided with the first laminating layer 12,
The lower surface of described polyimides foaming body layer 11 is provided with the second laminating layer 10；Wherein, described
One laminating layer the 12, second laminating layer 11 selects metal material or plastic material to make respectively.Such as
Aluminium foil, titanium foil, magnalium or engineering plastic materials can be selected to make, and these materials belong to this
The common knowledge of each skilled person, no longer illustrates at this.
First laminating layer the 12, second laminating layer 10 such as can be by glue bond at polyimides foaming body
The two ends up and down of layer 11.Such as can bond by the way of gluing or by the way of double faced adhesive tape.
In one specific embodiment of this utility model, described first laminating layer 12 and the second patch
Close layer 10 and use different materials.Such as first laminating layer 12 uses aluminium foil, and the second laminating layer 10
Use titanium foil, magnalium or engineering plastic materials etc.；And when the first laminating layer 12 uses engineering plastics
During material, the second laminating layer 10 can use aluminium foil, titanium foil, magnalium etc. to make.
In another specific embodiment of this utility model, described first laminating layer 12 and the second patch
Close layer 10 and use identical material.Such as first laminating layer the 12, second laminating layer 10 all uses aluminium foil.
Preferably, described first laminating layer 12 is identical with the thickness of the second laminating layer 10, so that the first patch
Close layer the 12, second laminating layer 10 symmetrical relative to polyimides foaming body layer 11.This symmetry
The generation of polarization problem when the top dome structure of distribution can reduce diaphragm oscillations.It should be noted that it is real
In the application of border, it is contemplated that the demand of the aspect such as product weight and heat radiation, the first laminating layer 12 and second
Laminating layer 10 may be designed in different thickness, specifically can be according to product and actual demand depending on.
Specifically, the thickness of described top dome structure 1 can select between 0.05mm-0.5mm, institute
The thickness stating polyimides foaming body layer 11 can select between 0.03mm-0.45mm.Need at this
It is noted that those skilled in the art according to actual needs, can rationally select the thickness of top dome structure 1
Degree and the thickness of polyimides foaming body layer 11, no longer illustrate at this.
Top dome structure of the present utility model, its intermediate layer uses the polyimides foaming body with porous,
Two ends use aluminium foil, titanium platinum, magnalium or engineering plastics laminating up and down, and this not only reduces whole
The quality of top dome structure, and the polyimides foaming body with porous can be that the offer of top dome structure is bigger
Internal damping, such that it is able to improve vibrating diaphragm sounding performance.Meanwhile, polyimide material has higher
Temperature tolerance, temperature tolerance and the service life of speaker can be improved；And its cost is relatively low.
This utility model one preferred embodiment in, described top dome structure 1 in tabular, ginseng
Examine Fig. 1.This utility model another preferred embodiment in, in described top dome structure 1 arrange
There is the convex closure structure 13 bending towards side, with reference to Fig. 2.Convex closure structure 13 can be provided with one, distribution
Medium position in top dome structure 1；Can certainly be provided with multiple, be evenly distributed in top dome knot
On structure 1.The high frequency response of vibrating diaphragm can be extended by this convex closure structure 13, improve the high frequency of vibrating diaphragm
Effect.
Top dome structure of the present utility model, can be applicable on the vibrating diaphragm of sound-producing device, thus improves and sends out
The acoustical behavior of acoustic device.To this end, this utility model additionally provides the vibrating diaphragm assembly of a kind of sound-producing device,
With reference to Fig. 3, it includes vibrating diaphragm and above-mentioned top dome structure 1.Wherein, during described vibrating diaphragm includes being positioned at
The vibration section 22 in portion, vibrating diaphragm mainly carries out vibration sounding by this vibration section 22.Also include being positioned at limit
The connecting portion 20 of edge, vibrating diaphragm can be arranged on the housing of sound-producing device by this connecting portion 20 or
Inside person's cavity volume.Also include the ring portion 21 connecting described vibration section 22 with connecting portion 20, described ball
Roof construction 1 is arranged on the vibration section 22 of described vibrating diaphragm.
Vibration section 22 of the present utility model, connecting portion 20 and ring portion 21 are integrated, its
Material can be engineering plastics (such as PEEK, PAR etc.), elastomeric material (as TPU, TPEE,
Silicone rubber etc.), one or more in glued membrane (such as esters of acrylic acid glue, silicone glue etc.) etc.
Material cladding forms, and these materials are all diaphragm materials well-known to those skilled in the art.Vibrating diaphragm
Thickness may select between 0.02mm-0.5mm.
Although specific embodiments more of the present utility model being described in detail by example,
But it should be appreciated by those skilled in the art, above example is merely to illustrate rather than be
Restriction scope of the present utility model.It should be appreciated by those skilled in the art, can be without departing from this reality
In the case of novel scope and spirit, above example is modified.Model of the present utility model
Enclose and be defined by the following claims.
Claims (10)
1. a top dome structure (1), it is characterized in that: include having polyimides foaming body layer (11) of porous, the upper surface of described polyimides foaming body layer (11) is provided with the first laminating layer (12), the lower surface of described polyimides foaming body layer (11) is provided with the second laminating layer (10)；Wherein, described first laminating layer (12), the second laminating layer (10) select metal or plastic material to make respectively.
Top dome structure (1) the most according to claim 1, it is characterised in that: described first laminating layer (12), the second laminating layer (10) select aluminium foil, titanium foil, magnalium or engineering plastic materials to make respectively.
Top dome structure (1) the most according to claim 1, it is characterised in that: described first laminating layer (12) uses different materials from the second laminating layer (10).
Top dome structure (1) the most according to claim 1, it is characterised in that: described first laminating layer (12) and the second laminating layer (10) use identical material.
Top dome structure (1) the most according to claim 4, it is characterized in that: described first laminating layer (12) is identical with the thickness of the second laminating layer (10), so that the first laminating layer (12), the second laminating layer (10) are symmetrical relative to polyimides foaming body layer (11).
Top dome structure (1) the most according to claim 1, it is characterised in that: the thickness of described top dome structure (1) is 0.05mm-0.5mm；The thickness of described polyimides foaming body layer (11) is 0.03mm-0.45mm.
Top dome structure (1) the most according to claim 1, it is characterised in that: described top dome structure (1) is in tabular.
Top dome structure (1) the most according to claim 1, it is characterised in that: on described top dome structure (1), it is provided with the convex closure structure (13) bending towards side.
Top dome structure (1) the most according to claim 1, it is characterised in that: described first laminating layer (12), the second laminating layer (10) pass through glue bond respectively on polyimides foaming body layer (11).
10. the vibrating diaphragm assembly of a sound-producing device, including vibrating diaphragm, described vibrating diaphragm includes the vibration section (22) being positioned at middle part, it is positioned at the connecting portion (20) at edge, and connect the ring portion (21) of described vibration section (22) and connecting portion (20), the vibration section (22) of described vibrating diaphragm is provided with top dome structure (1) as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620401017.2U CN205754825U (en) | 2016-05-05 | 2016-05-05 | A kind of top dome structure and the vibrating diaphragm assembly of sound-producing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620401017.2U CN205754825U (en) | 2016-05-05 | 2016-05-05 | A kind of top dome structure and the vibrating diaphragm assembly of sound-producing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205754825U true CN205754825U (en) | 2016-11-30 |
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| CN201620401017.2U Active CN205754825U (en) | 2016-05-05 | 2016-05-05 | A kind of top dome structure and the vibrating diaphragm assembly of sound-producing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110351637A (en) * | 2019-06-25 | 2019-10-18 | 歌尔股份有限公司 | For the reinforcement part of sounding device, oscillating plate and sounding device |
| CN110366075A (en) * | 2019-06-29 | 2019-10-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| WO2021000118A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Speaker |
| WO2022143026A1 (en) * | 2021-01-04 | 2022-07-07 | 歌尔股份有限公司 | Dome, diaphragm, and loudspeaker |
-
2016
- 2016-05-05 CN CN201620401017.2U patent/CN205754825U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110351637A (en) * | 2019-06-25 | 2019-10-18 | 歌尔股份有限公司 | For the reinforcement part of sounding device, oscillating plate and sounding device |
| CN110366075A (en) * | 2019-06-29 | 2019-10-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| WO2021000118A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Speaker |
| CN110366075B (en) * | 2019-06-29 | 2021-07-09 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| WO2022143026A1 (en) * | 2021-01-04 | 2022-07-07 | 歌尔股份有限公司 | Dome, diaphragm, and loudspeaker |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |