CN205754823U - The diaphragm of loudspeaker - Google Patents
The diaphragm of loudspeaker Download PDFInfo
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- CN205754823U CN205754823U CN201620455080.4U CN201620455080U CN205754823U CN 205754823 U CN205754823 U CN 205754823U CN 201620455080 U CN201620455080 U CN 201620455080U CN 205754823 U CN205754823 U CN 205754823U
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Abstract
This utility model provides a kind of diaphragm of loudspeaker, the ring portion being wholely set including fixed part and fixed part and the reinforcement part being positioned at ring portion；Reinforcement part includes at least one of which polymeric liquid crystal copolymer layer；Further, when reinforcement part is one layer of polymeric liquid crystal copolymer layer, the thickness of polymeric liquid crystal copolymer layer is not less than 25 μm.Utilize above-mentioned utility model, it is possible to simplify the structure of reinforcement part, facilitate machine-shaping, and increase substantially the bandwidth of the high frequency playback frequency band of speaker.
Description
Technical field
This utility model relates to loudspeaker techniques field, more specifically, relating to a kind of diaphragm of loudspeaker.
Background technology
Speaker is as converting electrical energy into the conventional electro-acoustic transducer device of acoustic energy, and it rises in sound place system
Indispensable effect.Speaker is a device the weakest in sound place system, and puts for sound
For effect, it is again most important parts.Speaker of a great variety, audio frequency electric energy is by electricity
Magnetic, piezoelectricity or electrostatic effect so that it is cone or diaphragm vibration the air with surrounding produce resonance (sympathetic response)
And send sound.Therefore, having had the appearance of speaker just, people are just heard beautiful sound.
Along with the development of the acoustic product market demand, speaker acoustical behavior is proposed higher by people
Requirement, do not require nothing more than its tonequality and become better and better, also require that the playback frequency band of product is more and more wider, in order to
Preferably reduce audio.Vibrating diaphragm is as the sound-generating element in speaker, and its structure and material are to speaker
Sounding effect is respectively provided with very important status.
Wherein, top dome portion is as the unit of auxiliary high frequency sounding in vibrating diaphragm, frequency of resetting loudspeaker high frequency
Wide important, the top dome portion of current uniform material, such as resin top dome, paper pulp top dome, fibrous nodules
Tops etc., combination property is poor, and frequency range is narrower；The top dome portion of metal material, difficult forming, and endurance
Property is the best；And compound top dome portion, complicated structure, processing inconvenience, enterprise's production cost is higher.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of diaphragm of loudspeaker, to solve at present
The problems such as the high frequency playback frequency that the diaphragm of loudspeaker exists is less, structure is complicated, reliability is poor.
The diaphragm of loudspeaker that this utility model provides, the ring being wholely set including fixed part and fixed part
Portion and be positioned at the reinforcement part in ring portion；Reinforcement part includes at least one of which polymeric liquid crystal copolymer layer；
Further, when reinforcement part is one layer of polymeric liquid crystal copolymer layer, the thickness of polymeric liquid crystal copolymer layer
Not less than 25 μm.
Furthermore it is preferred that structure be that reinforcement part includes first surface layer, glue-line and second surface layer；Its
In, at least one surface layer in first surface layer and second surface layer is polymeric liquid crystal copolymer layer,
Another surface layer is aluminium foil layer, PEN layer, PI layer, fiber-reinforced layer or polymeric liquid crystal copolymer layer.
Furthermore it is preferred that structure be that glue-line is thermosetting cement.
Furthermore it is preferred that structure be that the thickness of glue-line is 5 μm～20 μm.
Furthermore it is preferred that structure be, when first surface layer is polymeric liquid crystal copolymer layer, second surface
When layer is PEN layer, the thickness of polymeric liquid crystal copolymer layer is not less than 6 μm, and the thickness of glue-line is 5 μm
～20 μm, the thickness of PEN layer is 5 μm～100 μm；When first surface layer be polymeric liquid crystal copolymer layer,
When second surface layer is aluminium foil layer, the thickness of polymeric liquid crystal copolymer layer is not less than 6 μm, the thickness of glue-line
Degree is 5 μm～20 μm, and the thickness of aluminium foil layer is 5 μm～15 μm；When first surface layer is liquid crystal polymer
When polymeric layer, second surface layer are PI layer, the thickness of polymeric liquid crystal copolymer layer is not less than 6 μm,
The thickness of glue-line is 5 μm～20 μm, and the thickness of PI layer is 5 μm～100 μm；When first surface layer is liquid crystal
When high polymer layer, second surface layer are fiber-reinforced layer, the thickness of polymeric liquid crystal copolymer layer
Not less than 6 μm, the thickness of glue-line is 5 μm～20 μm, and fibrolaminar thickness is 5 μm～100 μm.
Furthermore it is preferred that structure be, when first surface layer, second surface layer are liquid crystal polymer polymerization
During nitride layer, the thickness of each layer of polymeric liquid crystal copolymer layer is all not less than 6 μm, and the thickness of glue-line is
5 μm～20 μm.
Furthermore it is preferred that structure be that the thickness of reinforcement part is 25 μm～100 μm.
Furthermore it is preferred that structure be that reinforcement part is top dome shape structure or plate-like structure, and, mend
Strong portion is by hot pressing disposal molding.
Knowable to technical scheme above, the diaphragm of loudspeaker of the present utility model, use high-performance LCP thin
The thin film of film or other various materials compound is made, it is possible to is effectively improved the rigidity of vibrating diaphragm, is shaking
During film dither, reduce the generation of diaphagras, improve product high-frequency resonant frequency, extended products
Bandwidth, simple in construction, machine-shaping is convenient, and production efficiency is high.
Accompanying drawing explanation
By with reference to below in conjunction with the explanation of accompanying drawing and the content of claims, and along with to this practicality
Novel is more fully understood from, and other purpose of the present utility model and result will be more apparent and should be readily appreciated that.
In the accompanying drawings:
Fig. 1 is the diaphragm of loudspeaker reinforcement part structural representation according to this utility model embodiment；
Fig. 2 is part A partial enlarged drawing in Fig. 1.
Reference therein includes: reinforcement part 1, first surface layer 11, glue-line 12, second surface layer
13。
The most identical label indicates similar or corresponding feature or function.
Detailed description of the invention
For describing the structure of the diaphragm of loudspeaker of the present utility model in detail, below with reference to accompanying drawing to this practicality
Novel specific embodiment is described in detail.
Fig. 1 shows the reinforcement part structure of the diaphragm of loudspeaker according to this utility model embodiment；Fig. 2 shows
Go out the partial enlargement structure of part A in Fig. 1.
As Fig. 1 and Fig. 2 jointly shown in, the diaphragm of loudspeaker of this utility model embodiment, including with raise one's voice
Fixed part (being positioned at the outermost of vibrating diaphragm) that the shell (not shown) of device fixes and fixed part one
The ring portion (being positioned at the centre position of vibrating diaphragm) of the male female structure that body is arranged and be positioned at the flat of ring portion
Face (being positioned at the center of vibrating diaphragm), for regulation acoustical behavior, reduces the total quality of vibrational system,
Typically being arranged the position of the planar portions correspondence reinforcement part 1 of vibrating diaphragm and remove material, reinforcement part 1 then covers and goes at this
Material position.
Wherein, the vibrating diaphragm reinforcement part 1 in this utility model embodiment includes that at least one of which liquid crystal polymer gathers
Compound (LCP, Liquid Crystal Polymer) layer；Further, one layer of liquid crystal is only included when reinforcement part 1
During high polymer layer, the thickness of polymeric liquid crystal copolymer layer is set to not less than 25 μm.
In a detailed description of the invention of the present utility model, reinforcement part includes first surface layer 11, second
Surface layer 13 and fixing connect first surface layer 11 and the intermediate gelatine layer 12 of second surface layer 13；Wherein,
At least one surface layer in first surface layer 11 and second surface layer 13 is polymeric liquid crystal copolymer layer,
Another surface layer be aluminium foil layer, PEN (Polyethylene naphthalene PEN,
Layer, PI (Polyimide Film polyimides, the lower same) engineering plastics such as layer, fiber-reinforced layer the most together)
Class material layer or polymeric liquid crystal copolymer layer etc..
Specifically, the glue-line 12 being adhesively fixed between first surface layer 11 and second surface layer 13 can be
Heat fixation glue-line or acrylic acid glue-line etc., the thickness range of this glue-line is 5 μm～20 μm.
Hereinafter the diaphragm of loudspeaker provided this utility model by several specific embodiments is carried out in more detail
Explanation.
Embodiment one:
The reinforcement part of the loudspeaker vibration in the present embodiment includes first surface layer, the glue being cascading
Layer and second surface layer, wherein, first surface layer is polymeric liquid crystal copolymer layer, and second surface layer is
PEN layer, and, the thickness of Liquid polymeric polymeric layer is not less than 6 μm, and the thickness range of glue-line is
5 μm～20 μm, the thickness range of PEN layer is 5 μm～100 μm.
Embodiment two:
The reinforcement part of the loudspeaker vibration in the present embodiment includes first surface layer, the glue being cascading
Layer and second surface layer, wherein, first surface layer is that polymeric liquid crystal copolymer layer, second surface layer are
Aluminium foil layer, and, the thickness of polymeric liquid crystal copolymer layer is not less than 6 μm, and the thickness range of glue-line is
5 μm～20 μm, the thickness range of aluminium foil layer is 5 μm～15 μm.
Embodiment three:
The reinforcement part of the loudspeaker vibration in the present embodiment includes first surface layer, the glue being cascading
Layer and second surface layer, wherein, first surface layer is that polymeric liquid crystal copolymer layer, second surface layer are
PI layer, and, the thickness of polymeric liquid crystal copolymer layer is not less than 6 μm, and the thickness range of glue-line is
5 μm～20 μm, the thickness range of PI layer is 5 μm～100 μm.
Embodiment four:
The reinforcement part of the loudspeaker vibration in the present embodiment includes first surface layer, the glue being cascading
Layer and second surface layer, wherein, first surface layer is that polymeric liquid crystal copolymer layer, second surface layer are
Fiber-reinforced layer, and, the thickness of polymeric liquid crystal copolymer layer is not less than 6 μm, and the thickness of glue-line is
5 μm～20 μm, fibrolaminar thickness is 5 μm～100 μm.
Embodiment five:
The reinforcement part of the loudspeaker vibration in the present embodiment includes first surface layer, the glue being cascading
Layer and second surface layer, wherein, first surface layer, second surface layer are polymeric liquid crystal copolymer layer,
Further, the thickness of each polymeric liquid crystal copolymer layer is all not less than 6 μm, and the thickness of glue-line is
5 μm～20 μm.
In the diaphragm of loudspeaker of the present utility model, when reinforcement part is set to single layer structure or multiple structure,
The integral thickness scope control of reinforcement part is between 25 μm～100 μm, it is possible to do not affecting speaker acoustics
While performance, increase the toughness of reinforcement part, improve its high-frequency resonant frequency.It addition, this utility model
Reinforcement part in embodiment could be arranged to top dome shape structure, plate-like structure or other can use hot pressing
The structure of molding, heat pressing process disposal molding can be passed through in reinforcement part, to simplify processing technology, improves
Production efficiency.
It should be noted that vibrating diaphragm reinforcement part of the present utility model, it is also possible to it is set to multiple structure, respectively
Using glue-line bonding between Rotating fields, the material of each layer or position can also be adjusted according to product demand
Whole.It addition, this utility model illustrate only the version of several vibrating diaphragm, ensureing speaker product
Quality and performance while, it is also possible to the number of plies, first surface layer and the second surface layer of reinforcement part is entered
The combination of other modes of row and the selection of other materials.
By above-mentioned embodiment it can be seen that the diaphragm of loudspeaker of this utility model offer, use high property
Energy LCP thin film or compound various material layers make and are formed, it is possible to be effectively improved the rigidity of vibrating diaphragm,
During vibrating diaphragm dither, reduce the generation of diaphagras, be effectively improved the high-frequency resonant frequency of product, expand
The frequency range of exhibition product, and compare the engineering plastics top dome vibrating diaphragms such as PEN, high frequency FR curve is the most smooth,
And can be the most hot-forming, production efficiency is high, vibrating diaphragm stable performance, simple in construction.
Describe in an illustrative manner above with reference to accompanying drawing according to the diaphragm of loudspeaker that the utility model proposes.
It will be understood by those skilled in the art, however, that the diaphragm of loudspeaker that above-mentioned this utility model is proposed,
Various improvement can also be made on the basis of without departing from this utility model content.Therefore, this utility model
Protection domain should be determined by the content of appending claims.
Claims (8)
1. a diaphragm of loudspeaker, the ring portion being wholely set including fixed part and described fixed part and
It is positioned at the reinforcement part in described ring portion；It is characterized in that,
Described reinforcement part includes at least one of which polymeric liquid crystal copolymer layer；Further, when described reinforcement part it is
During one layer of polymeric liquid crystal copolymer layer, the thickness of described polymeric liquid crystal copolymer layer is not less than 25 μm.
2. the diaphragm of loudspeaker as claimed in claim 1, it is characterised in that
Described reinforcement part includes first surface layer, glue-line and second surface layer；Wherein,
At least one surface layer in described first surface layer and described second surface layer is that liquid crystal polymer gathers
Compound layer, another surface layer is aluminium foil layer, PEN layer, PI layer, fiber-reinforced layer or liquid crystal polymer
Polymeric layer.
3. the diaphragm of loudspeaker as claimed in claim 2, it is characterised in that
Described glue-line is thermosetting cement.
4. the diaphragm of loudspeaker as claimed in claim 2 or claim 3, it is characterised in that the thickness of described glue-line
It is 5 μm～20 μm.
5. the diaphragm of loudspeaker as claimed in claim 2, it is characterised in that
When described first surface layer be polymeric liquid crystal copolymer layer, described second surface layer be PEN layer time,
The thickness of described polymeric liquid crystal copolymer layer is not less than 6 μm, and the thickness of described glue-line is 5 μm～20 μm,
The thickness of described PEN layer is 5 μm～100 μm；
When described first surface layer be polymeric liquid crystal copolymer layer, described second surface layer be aluminium foil layer time,
The thickness of described polymeric liquid crystal copolymer layer is not less than 6 μm, and the thickness of described glue-line is 5 μm～20 μm,
The thickness of described aluminium foil layer is 5 μm～15 μm；
When described first surface layer be polymeric liquid crystal copolymer layer, described second surface layer be PI layer time,
The thickness of described polymeric liquid crystal copolymer layer is not less than 6 μm, and the thickness of described glue-line is 5 μm～20 μm,
The thickness of described PI layer is 5 μm～100 μm；
When described first surface layer be polymeric liquid crystal copolymer layer, described second surface layer be fiber reinforcement
During layer, the thickness of described polymeric liquid crystal copolymer layer is not less than 6 μm, and the thickness of described glue-line is
5 μm～20 μm, described fibrolaminar thickness is 5 μm～100 μm.
6. the diaphragm of loudspeaker as claimed in claim 2, it is characterised in that
When described first surface layer, second surface layer are polymeric liquid crystal copolymer layer,
The thickness of each layer of polymeric liquid crystal copolymer layer is all not less than 6 μm, and the thickness of described glue-line is
5 μm～20 μm.
7. the diaphragm of loudspeaker as claimed in claim 1, it is characterised in that
The thickness of described reinforcement part is 25 μm～100 μm.
8. the diaphragm of loudspeaker as claimed in claim 1, it is characterised in that
Described reinforcement part is top dome shape structure or plate-like structure, and, hot pressing is passed through in described reinforcement part
Disposal molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620455080.4U CN205754823U (en) | 2016-05-16 | 2016-05-16 | The diaphragm of loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620455080.4U CN205754823U (en) | 2016-05-16 | 2016-05-16 | The diaphragm of loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205754823U true CN205754823U (en) | 2016-11-30 |
Family
ID=57364193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620455080.4U Active CN205754823U (en) | 2016-05-16 | 2016-05-16 | The diaphragm of loudspeaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN205754823U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012393A (en) * | 2019-03-26 | 2019-07-12 | 瑞声科技(新加坡)有限公司 | Shaking membrane substrate and preparation method thereof, vibrating diaphragm and loudspeaker |
| CN110012394A (en) * | 2019-03-26 | 2019-07-12 | 瑞声科技(新加坡)有限公司 | Shaking membrane substrate and preparation method thereof, vibrating diaphragm and loudspeaker |
-
2016
- 2016-05-16 CN CN201620455080.4U patent/CN205754823U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012393A (en) * | 2019-03-26 | 2019-07-12 | 瑞声科技(新加坡)有限公司 | Shaking membrane substrate and preparation method thereof, vibrating diaphragm and loudspeaker |
| CN110012394A (en) * | 2019-03-26 | 2019-07-12 | 瑞声科技(新加坡)有限公司 | Shaking membrane substrate and preparation method thereof, vibrating diaphragm and loudspeaker |
| CN110012393B (en) * | 2019-03-26 | 2021-04-23 | 瑞声科技(新加坡)有限公司 | Vibrating diaphragm base material and preparation method thereof, vibrating diaphragm and loudspeaker |
| CN110012394B (en) * | 2019-03-26 | 2021-04-27 | 瑞声科技(新加坡)有限公司 | Vibrating diaphragm base material and preparation method thereof, vibrating diaphragm and loudspeaker |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |