CN203851290U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN203851290U CN203851290U CN201420273494.6U CN201420273494U CN203851290U CN 203851290 U CN203851290 U CN 203851290U CN 201420273494 U CN201420273494 U CN 201420273494U CN 203851290 U CN203851290 U CN 203851290U
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- Prior art keywords
- layer
- voice coil
- basal
- loud speaker
- tpue
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- Expired - Lifetime
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- 239000010410 layer Substances 0.000 claims abstract description 217
- 239000002344 surface layer Substances 0.000 claims abstract description 34
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 22
- 229920002530 polyetherether ketone Polymers 0.000 claims description 22
- 229920001230 polyarylate Polymers 0.000 claims description 20
- 238000010276 construction Methods 0.000 claims description 17
- 239000004697 Polyetherimide Substances 0.000 claims description 15
- 229920001601 polyetherimide Polymers 0.000 claims description 15
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 claims description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 13
- 238000002474 experimental method Methods 0.000 abstract description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 abstract 1
- 239000000806 elastomer Substances 0.000 abstract 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 abstract 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 5
- 239000003292 glue Substances 0.000 description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002889 sympathetic effect Effects 0.000 description 1
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model provides a loudspeaker which comprises a diaphragm with a stacked structure and a voice coil combined with the diaphragm. The loudspeaker is characterized in that the diaphragm comprises a first surface layer, a middle layer and a second surface layer which are sequentially stacked. At least one of the first surface layer and the second surface layer has a composite structure formed by a basic layer and a thermoplastic polyurethane elastomer layer. The other surface layer at least comprises a basic layer. The voice coil is combined with the basic layer of one surface layer of the diaphragm. The loudspeaker can improve the diaphragm breaking problem after a loudspeaker product power experiment. The base material toughness is improved. The acoustic performance of the loudspeaker is enhanced.
Description
Technical field
The utility model relates to acoustic-electric switch technology field, more specifically, relates to a kind of loud speaker.
Background technology
Loud speaker is as the conventional electro-acoustic transducer device that electric energy is changed into acoustic energy, and it plays a part indispensable in sound place system.Loud speaker is a device the weakest in sound place system, and for sound is put effect, it is again most important parts.Loud speaker of a great variety, audio frequency electric energy is by electromagnetism, and piezoelectricity or electrostatic effect, make its cone or diaphragm vibration and produce resonance (sympathetic response) and sound with ambient air.Therefore, had just the appearance of loud speaker, people are just heard beautiful sound.
Vibrating diaphragm is as the sounding parts in loud speaker, its structure and material all have very important status to the sounding effect of loud speaker, the vibrating diaphragm of tradition Microspeaker is between the double-layer films identical or not identical by characteristic, to add sandwich layer to be made, the material multiselect polyether-ether-ketone of double-layer films, middle sandwich layer is generally selected the material of acrylate glue, to realize the multiple choices of loud speaker acoustical behavior.But along with the further raising that Microspeaker requires acoustical behavior, the laminated film mode that can select at present and the toughness of polyether-ether-ketone are all difficult to meet its requirement.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of loud speaker, adopts this loud speaker when guaranteeing the acoustical behavior of Microspeaker, to increase the toughness of the diaphragm of loudspeaker, improve the speaker product problem that vibrating diaphragm breaks after power experiment, improve the reliability of product.
The loud speaker that the utility model provides, comprises the vibrating diaphragm of stepped construction and the voice coil loudspeaker voice coil combining with vibrating diaphragm, and wherein, vibrating diaphragm comprises first surface layer, intermediate layer and the second surface layer stacking gradually; And at least one superficial layer in first surface layer and second surface layer is the composite construction of basal layer and TPU layer, another superficial layer at least comprises one deck basal layer; And voice coil loudspeaker voice coil combines with the basal layer of one of them superficial layer of vibrating diaphragm.
In addition, preferred structure is, basal layer is polyether-ether-ketone layer, polyarylate layer, PETG layer, Polyetherimide layer or any two kinds of layer structures compound wherein.
In addition, preferred structure is that intermediate layer is acrylic acid glue-line.
In addition, preferred structure is that, when superficial layer is the combination of basal layer and heating plastic polyurethane elastomer layer, basal layer passes through hot mixed binding with corresponding TPUE layer respectively.
In addition, preferred structure is that the thickness of first surface layer and second surface layer is respectively 2～30 μ m.
In addition, preferably structure is, the thickness of TPUE layer is 5～40 μ m, and hardness is 60～90A.
Accompanying drawing explanation
By reference to the content below in conjunction with the description of the drawings and claims, and along with understanding more comprehensively of the present utility model, other object of the present utility model and result will be understood and easy to understand more.In the accompanying drawings:
Fig. 1 is according to the structural representation of the loud speaker of the utility model embodiment mono-;
Fig. 2 is according to the structural representation of the loud speaker of the utility model embodiment bis-;
Fig. 3 is according to the structural representation of the loud speaker of the utility model embodiment tri-;
Fig. 4 is according to the structural representation of the loud speaker of the utility model embodiment tetra-;
Fig. 5 and Fig. 6 are according to the structural representation of the loud speaker of the utility model embodiment.
Reference numeral wherein comprises: basal layer 1, polyether-ether-ketone layer 11, polyarylate layer 12, intermediate layer 2, TPUE layer 3, voice coil loudspeaker voice coil 4.
In institute's drawings attached, identical label is indicated similar or corresponding feature or function.
Embodiment
Below with reference to accompanying drawing, specific embodiment of the utility model is described in detail.
Fig. 1 to Fig. 4 shows respectively the structure of the loud speaker of the utility model embodiment from different structure form.
As shown in Figures 1 to 4, according to the loud speaker of the utility model embodiment, comprise the vibrating diaphragm of stepped construction and the voice coil loudspeaker voice coil 4 combining with vibrating diaphragm, wherein, vibrating diaphragm comprises first surface layer, intermediate layer 2 and the second surface layer stacking gradually; And at least one superficial layer in first surface layer and second surface layer is the composite construction of basal layer 1 and TPUE layer 3, another superficial layer at least comprises one deck basal layer 1; And voice coil loudspeaker voice coil 4 combines with the basal layer 1 of one of them superficial layer of vibrating diaphragm.
Particularly, in first surface layer and second surface layer, having a superficial layer at least is the composite construction of basal layer 1 and TPUE layer 3, a superficial layer in addition at least comprises one deck basal layer 1, that is to say that another one superficial layer can be also the composite construction of basal layer 1 with TPUE layer 3 for one deck basal layer 1, and basal layer is PEEK (polyether-ether-ketone) layer, PAR (polyarylate) layer, PET (PETG) layer, PEI (Polyetherimide) layer or any two kinds of layer structures compound wherein; Intermediate layer 2 is acrylic acid glue-line.
Wherein, in order to ensure the voice coil loudspeaker voice coil 4 of loud speaker and the basal layer 1 of one of them superficial layer of vibrating diaphragm, combine.When a superficial layer in two superficial layers only includes one deck basal layer 1, the overlapped way of each layer of the vibrating diaphragm of loud speaker has following 3 kinds of situations: basal layer 1, TPUE layer 3, intermediate layer 2, basal layer 1; Or, TPUE layer 3, basal layer 1, intermediate layer 2, basal layer 1; Or, basal layer 1, intermediate layer 2, TPUE layer 3, basal layer 1.
When first surface layer and second surface layer are the composite construction of basal layer 1 and TPUE layer 3, there are following 2 kinds of situations in the overlapped way of each layer of vibrating diaphragm of loud speaker: basal layer 1, TPUE layer 3, intermediate layer 2, TPUE layer 3, basal layer 1; Or, TPUE layer 3, basal layer 1, intermediate layer 2, TPUE layer 3, basal layer 1.
Wherein, the material of basal layer 1 is a kind of in polyether-ether-ketone, Polyetherimide, PETG, polyarylate; Intermediate layer 2 is between the first surface layer and second surface layer of vibrating diaphragm, and the material in intermediate layer 2 is acrylate glue.Wherein, when superficial layer is the combination of basal layer 1 and TPUE layer 3, the basal layer 1 of superficial layer passes through hot mixed binding with corresponding TPUE layer 3 respectively.
Loud speaker the utility model being provided by following several specific embodiments is explained in more detail explanation.
Embodiment mono-:
As shown in Figure 1, the loud speaker in the present embodiment comprises the vibrating diaphragm of stepped construction and the voice coil loudspeaker voice coil 4 combining with vibrating diaphragm.Wherein, the vibrating diaphragm of loud speaker comprise the first surface that stacks gradually layer by layer, second surface Ceng He center interbed, wherein, a superficial layer away from loudspeaker voice coil 4 is the composite construction of basal layer 1 and TPUE layer 3, and what combine with loudspeaker voice coil 4 is the basal layer 1 in another one superficial layer.And, away from the TPUE layer 3 and intermediate layer 2 combinations in the superficial layer of loudspeaker voice coil 4.Wherein, basal layer is PEEK (polyether-ether-ketone) layer, PAR (polyarylate) layer, PET (PETG) layer, PEI (Polyetherimide) layer or any two kinds of layer structures compound wherein.Intermediate layer is acrylic acid glue-line.In addition,, when superficial layer is the combination of basal layer 1 and TPUE layer 3, between basal layer 1 and TPUE layer 3, pass through hot mixed binding.
Embodiment bis-:
As shown in Figure 2, the loud speaker in the present embodiment, its vibrating diaphragm is the situation of only having basal layer 1 away from a superficial layer of loudspeaker voice coil 4, another superficial layer of close voice coil loudspeaker voice coil 4 is the composite construction of basal layer 1 and TPUE layer 3.Wherein, near the basal layer 1 and loudspeaker voice coil 4 combinations in a superficial layer of voice coil loudspeaker voice coil 4,3, TPUE layer and intermediate layer 2 combinations.
Wherein, basal layer is PEEK (polyether-ether-ketone) layer, PAR (polyarylate) layer, PET (PETG) layer, PEI (Polyetherimide) layer or any two kinds of layer structures compound wherein; Intermediate layer is acrylic acid glue-line.Near the basal layer 1 in a superficial layer of voice coil loudspeaker voice coil 4, be combined with each other with TPUE layer 3 heat.
Embodiment tri-:
As shown in Figure 3, loud speaker in the present embodiment, two superficial layers of its vibrating diaphragm are the composite construction of basal layer 1 and TPUE layer 3, wherein, the first surface layer of vibrating diaphragm and second surface layer are to be all composited by basal layer 1 and TPUE layer 3, bonding with the acrylate glue in intermediate layer 2 away from the basal layer 1 in a superficial layer of voice coil loudspeaker voice coil 4, the basal layer 1 in another one superficial layer contacts with voice coil loudspeaker voice coil 4.Wherein, basal layer is a kind of film in polyether-ether-ketone (PEEK), Polyetherimide (PEI), PETG (PET), polyarylate (PAR) or the composite construction of any two kinds.Same as the previously described embodiments, basal layer 1 and the hot mixed binding of TPUE layer 3.
Embodiment tetra-:
As shown in Figure 4, loud speaker in the present embodiment, its vibrating diaphragm comprises 5 layers altogether, wherein first surface layer and second surface layer are to be all composited by basal layer 1 and TPUE layer 3 heat, wherein, TPUE layer 3 in two superficial layers is all bonding with the acrylate glue in intermediate layer 2, and the basal layer 1 of one of them superficial layer contacts with voice coil loudspeaker voice coil 4.Wherein, basal layer 1 is a kind of film in polyether-ether-ketone (PEEK), Polyetherimide (PEI), PETG (PET), polyarylate (PAR) or the composite construction of any two kinds; Intermediate layer 2 is acrylic acid glue-line.
Fig. 5 and Fig. 6 show respectively according to the concrete structure of the diaphragm of loudspeaker of the utility model embodiment.
As shown in Figure 5, the diaphragm of loudspeaker in the present embodiment comprises 4 layers altogether, wherein, a structure that superficial layer is one deck basal layer away from loudspeaker voice coil 4, the material of basal layer is PEEK (polyether-ether-ketone) 11, another one superficial layer is the composite construction of basal layer and TPUE layer 3, and the basal layer in this superficial layer is PAR (polyarylate) layer, and intermediate layer 2 is acrylic acid glue-line.
As shown in Figure 6, the diaphragm of loudspeaker in the present embodiment comprises 5 layers altogether, wherein, first surface layer and second surface layer are the composite construction of basal layer and TPUE layer 3, in a superficial layer away from loudspeaker voice coil, basal layer is PEEK (polyether-ether-ketone) layer 11, and the basal layer in another one superficial layer is PAR (polyarylate) layer 12, and intermediate layer 2 is acrylic acid glue-line.
In the various embodiments described above, the basal layer in superficial layer 1 and the voice coil loudspeaker voice coil 4 of loud speaker are carried out to adhesive bond, improve the bonding firmness of vibrating diaphragm and voice coil loudspeaker voice coil, guarantee the bonding force between the two.In addition, one side of TPUE (TPU) 3 contacts with acrylate glue, strengthen the toughness of basal layer, prevent the phenomenon of speaker product basal layer generation rupture of membranes after carrying out power experiment, improve the reliability of product and the acoustical behavior of sound device product.
It should be noted that, meeting under the prerequisite of production requirement, the vibrating diaphragm of loud speaker of the present utility model also can be selected other satisfactory material, and the colloid of other material also can be used in intermediate layer.In addition, in a preferred implementation of the present utility model, the thickness range of TPUE layer 3 is 5～40 μ m (1000 μ m=1mm), and shore hardness is 60～95A.The material of basal layer 1 is wherein a kind of of polyether-ether-ketone (PEEK), Polyetherimide (PEI), polyarylate (PAR), but does not also get rid of the material that other can meet product requirement.The thickness of basal layer is preferably 2～30 μ m.
In addition, in the utility model, only show the version of several vibrating diaphragms, when guaranteeing the quality and performance of speaker product, also can carry out the combination of other modes and selecting of other materials to basal layer and TPUE layer.
When using according to the novel loud speaker providing of this use, the positive and negative that carry out vibrating diaphragm indicates, and prevents reversed order in installation process, and affects the bonding force between vibrating diaphragm and voice coil loudspeaker voice coil, and then reduce the acoustical behavior of speaker product.
By above-mentioned execution mode, can find out, the loud speaker that the utility model provides, by basal layer is combined as the base material of composite diaphragm with TPUE layer TPUE, increase toughness and the intensity of vibrating diaphragm, prevent breaking of shaking membrane substrate after speaker product power test, improve reliability and the acoustical behavior of product.
Above with reference to accompanying drawing, in the mode of example, described according to the loud speaker the utility model proposes.But, it will be appreciated by those skilled in the art that the loud speaker proposing for above-mentioned the utility model, can also on the basis that does not depart from the utility model content, make various improvement.Therefore, protection range of the present utility model should be determined by the content of appending claims.
Claims (6)
1. a loud speaker, comprises the vibrating diaphragm of stepped construction and the voice coil loudspeaker voice coil combining with described vibrating diaphragm, it is characterized in that,
Described vibrating diaphragm comprises first surface layer, intermediate layer and the second surface layer stacking gradually; And,
At least one superficial layer in described first surface layer and described second surface layer is the composite construction of basal layer and TPUE layer, and another superficial layer at least comprises one deck basal layer; And,
Described voice coil loudspeaker voice coil combines with the basal layer of one of them superficial layer of described vibrating diaphragm.
2. loud speaker as claimed in claim 1, is characterized in that,
Described basal layer is polyether-ether-ketone layer, polyarylate layer, PETG layer, Polyetherimide layer or any two kinds of layer structures compound wherein.
3. loud speaker as claimed in claim 1, is characterized in that,
Described intermediate layer is acrylic acid glue-line.
4. loud speaker as claimed in claim 1, is characterized in that,
When described superficial layer is the combination of basal layer and heating plastic polyurethane elastomer layer, described basal layer passes through hot mixed binding with corresponding TPUE layer respectively.
5. loud speaker as claimed in claim 1, is characterized in that, the thickness of described first surface layer and second surface layer is respectively 2～30 μ m.
6. loud speaker as claimed in claim 1, is characterized in that, the thickness of described TPUE layer is 5～40 μ m, and hardness is 60～90A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273494.6U CN203851290U (en) | 2014-05-26 | 2014-05-26 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273494.6U CN203851290U (en) | 2014-05-26 | 2014-05-26 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203851290U true CN203851290U (en) | 2014-09-24 |
Family
ID=51564255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420273494.6U Expired - Lifetime CN203851290U (en) | 2014-05-26 | 2014-05-26 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203851290U (en) |
-
2014
- 2014-05-26 CN CN201420273494.6U patent/CN203851290U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: GOERTEK Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |