CN105188000A - Loudspeaker diaphragm - Google Patents
Loudspeaker diaphragm Download PDFInfo
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- CN105188000A CN105188000A CN201510600106.XA CN201510600106A CN105188000A CN 105188000 A CN105188000 A CN 105188000A CN 201510600106 A CN201510600106 A CN 201510600106A CN 105188000 A CN105188000 A CN 105188000A
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Abstract
The invention discloses a loudspeaker diaphragm which comprises a ball top part (20) in the center and a folding part (10) at the rim. The folding part (10) is a single layer structure made from a TPEE (thermoplastic polyester elastomer) material layer (2) or is a composite structure provided with at least one TPEE material layer (2). Compared with diaphragms made from TPU materials, the diaphragm of the invention has good toughness and strength, can effectively reduce the vibration frequency, and expand the bandwidth of a product. Further, the diaphragm is also stable in structure and reliable in withstanding power and provides good stability of vibration frequency.
Description
Technical field
The present invention relates to electro-acoustic product technical field, particularly a kind of diaphragm of loudspeaker.
Background technology
Vibrating diaphragm is as the sound-generating element in loud speaker, and its structure and the generation effect of material to loud speaker have very important status.In order to reduce the resonance frequency of product, broadband, the low-frequency band of raising loud speaker and the tonequality of high frequency band, the ring portion at vibrating diaphragm edge often selects has large and TPUE (TPU) material of good compliance of high resiliency, in-fighting.
When the ring portion adopting TPU as vibrating diaphragm, there is following defect to I haven't seen you for ages in speaker product:
One, the resonance frequency F0 fluctuation of product is large: after speaker product has been assembled, As time goes on the resonance frequency F0 of product raises;
Its two, poor heat resistance: vibrating diaphragm is by after thermoforming, and TPU surface viscosity increases, and is easily easily polluted by the external foreign matters, thus affects production efficiency;
Its three, resistance to power is poor: high temperature power test after, easily there is phenomenons such as being out of shape, subside in vibrating diaphragm.
The design feature of TPU determines its heat-resisting quantity, there is above-mentioned defect to aspects such as the sensitivitys of environment, although can improve above-mentioned performance to a certain extent by changing its chemical composition, improving effect and not obvious, there is limitation.
Summary of the invention
In view of the above problems, the object of this invention is to provide a kind of diaphragm of loudspeaker, this diaphragm of loudspeaker has the stability of good toughness and intensity, excellent structural stability, higher resistance to power reliability and higher resonance frequency, making loud speaker when applying this vibrating diaphragm, the resonance frequency of product can be reduced, widen product frequency band.
The diaphragm of loudspeaker provided by the invention, comprise the ball top 20 being positioned at center and the ring portion 10 being positioned at marginal position, ring portion 10 is the single layer structure be made up of one deck thermoplastic polyester elastomer TPEE material layer 2; Or ring portion 10 is the composite construction being at least compounded with one deck thermoplastic polyester elastomer TPEE material layer 2.
Preferably, ball top 20 is one-body molded with ring portion 10; Or ball top 20 and ring portion 10 adopt unlike material.
Preferably, composite construction is double-layer structure, and double-layer structure comprises one deck thermoplastic polyester elastomer TPEE material layer 2 and one deck plastic base sheet material layers 1; Wherein, described plastic base sheet material layers 1 comprises one or more in polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, polyethylene terephtalate.
Preferably, composite construction is three-decker, and three-decker comprises one deck thermoplastic polyester elastomer TPEE material layer 2, one deck glue-line 3 and one deck plastic base sheet material layers 1; Wherein, plastic base sheet material layers 1 comprise polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, polyethylene terephtalate one or more, glue-line 3 is acrylate glue or silica gel.
Further preferably, three-decker is followed successively by thermoplastic polyester elastomer TPEE material layer 2, glue-line 3 and plastic base sheet material layers 1.
Preferably, composite construction is four-layer structure, and four-layer structure comprises one deck thermoplastic polyester elastomer TPEE material layer 2, one deck glue-line 3 and two plastic substrates layer 1; Wherein, described plastic base sheet material layers 1 comprise polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, polyethylene terephtalate one or more, glue-line 3 is acrylate glue or silica gel.
Further preferably, four-layer structure is followed successively by a plastic base sheet material layers 1, glue-line 3, thermoplastic polyester elastomer TPEE material layer 2 and another plastic base sheet material layers 1;
Or four-layer structure is followed successively by thermoplastic polyester elastomer TPEE material layer 2, plastic base sheet material layers 1, glue-line 3 and another plastic base sheet material layers 1.
Preferably, composite construction is five-layer structure, and five-layer structure comprises two layers of thermoplastic polyester elastomer TPEE material layer 2, one deck glue-line 3 and two plastic substrates layer 1;
Or five-layer structure comprises one deck thermoplastic polyester elastomer TPEE material layer 2, two-layer glue-line 3 and two plastic substrates layer 1;
Or five-layer structure comprises one deck thermoplastic polyester elastomer TPEE material layer 2, two-layer glue-line 3, one deck plastic base sheet material layers 1 and one deck glue-line substrate layer 4;
Wherein, plastic base sheet material layers 1 comprise polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, polyethylene terephtalate one or more, described glue-line 3 is acrylate glue or silica gel, glue-line substrate layer 4 is polyester film material, or be polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, polyethylene terephtalate one or more.
Further preferably, five-layer structure is followed successively by plastic base sheet material layers 1, thermoplastic polyester elastomer TPEE material layer 2, glue-line 3, another thermoplastic polyester elastomer TPEE material layer 2 and another plastic base sheet material layers 1;
Or five-layer structure is followed successively by plastic base sheet material layers 1, glue-line 3, thermoplastic polyester elastomer TPEE material layer 2, another glue-line 3 and another plastic base sheet material layers 1;
Or five-layer structure is followed successively by thermoplastic polyester elastomer TPEE material layer 2, plastic base sheet material layers 1, glue-line 3, another plastic base sheet material layers 1 and another thermoplastic polyester elastomer TPEE material layer 2;
Or five-layer structure is followed successively by thermoplastic polyester elastomer TPEE material layer 2, glue-line 3, glue-line substrate layer 4, another glue-line 3 and plastic base sheet material layers 1.
Preferably, composite construction is six Rotating fields, and six Rotating fields comprise one deck thermoplastic polyester elastomer TPEE material layer 2, two-layer glue-line 3, two plastic substrates layer 1 and one deck glue-line substrate layer 4;
Six Rotating fields are followed successively by thermoplastic polyester elastomer TPEE material layer 2, plastic base sheet material layers 1, glue-line 3, glue-line substrate layer 4, another glue-line 3, another plastic base sheet material layers 1;
Or six Rotating fields are followed successively by a plastic base sheet material layers 1, thermoplastic polyester elastomer TPEE material layer 2, glue-line 3, glue-line substrate layer 4, another glue-line 3, another plastic base sheet material layers 1;
Wherein, plastic base sheet material layers 1 comprise polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, polyethylene terephtalate one or more, glue-line 3 is acrylate glue or silica gel, glue-line substrate layer 4 is polyester film material, or be polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, polyethylene terephtalate one or more.
The beneficial effect of the embodiment of the present invention is: the diaphragm of loudspeaker disclosed by the invention, single-layer vibrating diaphragm is prepared by utilizing thermoplastic polyester elastomer TPEE material, or by compound at least one deck thermoplastic polyester elastomer TPEE material layer prepare composite diaphragm, make the diaphragm of loudspeaker of the present invention compared to the vibrating diaphragm of TPU material, not only there is good toughness and intensity, also there is excellent structural stability, higher resistance to power reliability.When the vibrating diaphragm in the present invention is applied in loud speaker, the stability of the speaker product resonance frequency that effectively can reduce the resonance frequency of speaker product, widen speaker product frequency band, increase.
Accompanying drawing explanation
The diaphragm of loudspeaker front view that Fig. 1 a provides for the embodiment of the present invention;
Fig. 1 b is the ring portion schematic diagram of the diaphragm of loudspeaker in Fig. 1 a;
The diaphragm of loudspeaker schematic diagram with single layer structure that Fig. 2 provides for the embodiment of the present invention;
What Fig. 3 provided for the embodiment of the present invention has double-deck diaphragm of loudspeaker schematic diagram;
The diaphragm of loudspeaker schematic diagram with three-decker that Fig. 4 provides for the embodiment of the present invention;
A kind of diaphragm of loudspeaker schematic diagram with four-layer structure that Fig. 5 a provides for the embodiment of the present invention;
Fig. 5 b has the diaphragm of loudspeaker schematic diagram of four-layer structure for another kind that the embodiment of the present invention provides;
Fig. 6 a provide for the embodiment of the present invention the first there is the diaphragm of loudspeaker schematic diagram of five-layer structure;
Fig. 6 b has the diaphragm of loudspeaker schematic diagram of five-layer structure for the second that the embodiment of the present invention provides;
Fig. 6 c provide for the embodiment of the present invention the third there is the diaphragm of loudspeaker schematic diagram of five-layer structure;
Fig. 6 d the 4th kind of providing for the embodiment of the present invention has the diaphragm of loudspeaker schematic diagram of five-layer structure
A kind of diaphragm of loudspeaker schematic diagram with six Rotating fields that Fig. 7 a provides for the embodiment of the present invention;
Fig. 7 b has the diaphragm of loudspeaker schematic diagram of six Rotating fields for another kind that the embodiment of the present invention provides;
In figure: 1, plastic base sheet material layers; 2, thermoplastic polyester elastomer TPEE material layer; 3, glue-line; 4, glue-line substrate layer; 10, ring portion; 20, ball top.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
The vibrating diaphragm front view that Fig. 1 a provides for the embodiment of the present invention, Fig. 1 b is the ring portion schematic diagram of the diaphragm of loudspeaker in Fig. 1 a.
As Fig. 1 a and Fig. 1 b jointly shown in, the diaphragm of loudspeaker in Fig. 1 a, comprises the ball top 20 being positioned at center and the ring portion 10 being positioned at marginal position.Ring portion 10 is the single layer structure be made up of one deck thermoplastic polyester elastomer TPEE material layer 2; Or ring portion 10 is the composite construction being at least compounded with one deck thermoplastic polyester elastomer TPEE material layer 2.
Thermoplastic polyester elastomer (referred to as TPEE or TPC, referred to as TPEE in the present invention) is the block copolymer that a class contains the hard section of polybutylene terephthalate (PBT) PBT polyester and aliphatic polyester or polyester soft segment.TPEE and TPU belongs to thermoplastic elastomer (TPE), and its many performance is similar to TPU, as TPEE and TPU all have good toughness, oil resistance, tearing strength compared with high, permanent deformation is little, resistance to deflection is excellent, and strain less time almost without hysteresis.But TPEE and TPU compares, TPEE also has following advantage:
1), creep resistance is good, and namely make Same Part with TPEE and TPU of same rigidity, TPEE can bear larger load, utilizes this characteristic of TPEE, can strengthen the stability of diaphragm structure.
2), the dependence of modulus versus temperature is little, and this characteristic of TPEE is conducive to improving the phenomenon that the composite diaphragm be made up of TPU material causes the resonance frequency instability of speaker product.
3), excellent high temperature resistant, lower temperature resistance, TPEE short-term can resistance to 150-160 DEG C, and at high temperature loss of mechanical properties is little, and when using more than 120 DEG C, the hot strength of TPEE is far above TPU; TPEE brittle temperature is lower than-70 DEG C, and Long-Time Service temperature is at-50-130 DEG C.This characteristic of TPEE can strengthen the stability of product to environmental change further.
Therefore, the diaphragm of loudspeaker utilizing TPEE material to prepare in the present invention is relative to the vibrating diaphragm containing TPU material, the diaphragm of loudspeaker in the present embodiment is except having good toughness and intensity, effectively can reduce the resonance frequency of speaker product, widen outside the frequency band of speaker product, the diaphragm of loudspeaker in the present embodiment also has the resistance to power reliability of more excellent structural stability and Geng Gao, can strengthen the resonance frequency stability of speaker product.
Fig. 2 to Fig. 7 b respectively illustrates the diaphragm of loudspeaker of different structure form, and as shown in Figure 2, the ring portion 10 in the present embodiment can for the single layer structure be made up of one deck thermoplastic polyester elastomer TPEE material layer 2; As shown in Fig. 3 to Fig. 7 b, the ring portion 10 in the present embodiment can also for being at least compounded with the composite construction of one deck thermoplastic polyester elastomer TPEE material layer 2.
Wherein ball top 20 is one-body molded with ring portion 10, or ball top 20 adopts unlike material with ring portion 10.
When the ring portion of the diaphragm of loudspeaker of the present invention is the composite construction being at least compounded with one deck thermoplastic polyester elastomer TPEE material layer, this composite construction is preferably double-layer structure, three-decker, four-layer structure, five-layer structure and six Rotating fields.
When the composite construction in the ring portion of the diaphragm of loudspeaker of the present invention is double-layer structure, this double-layer structure comprises one deck thermoplastic polyester elastomer TPEE material layer 2 and one deck plastic base sheet material layers 1; Wherein, plastic base sheet material layers 1 comprises one or more in polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, polyethylene terephtalate.
Preferably, as shown in Figure 3, the double-layer structure in Fig. 3 is followed successively by thermoplastic polyester elastomer TPEE material layer 2 and plastic base sheet material layers 1 from the bottom to top.
When the composite construction in the ring portion of the diaphragm of loudspeaker of the present invention is three-decker, this three-decker comprises one deck thermoplastic polyester elastomer TPEE material layer 2, one deck glue-line 3 and one deck plastic base sheet material layers 1; Wherein, plastic base sheet material layers 1 comprise polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, polyethylene terephtalate one or more, glue-line 3 is acrylate glue or silica gel.
Preferably, as shown in Figure 4, the three-decker in Fig. 4 is followed successively by thermoplastic polyester elastomer TPEE material layer 2, glue-line 3 and plastic base sheet material layers 1 from the bottom to top.
When the composite construction in the ring portion of the diaphragm of loudspeaker of the present invention is four-layer structure, this four-layer structure comprises one deck thermoplastic polyester elastomer TPEE material layer 2, one deck glue-line 3 and two plastic substrates layer 1; Wherein, plastic base sheet material layers 1 comprise polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, polyethylene terephtalate one or more, glue-line 3 is acrylate glue or silica gel.
Preferably, as shown in figure 5 a and 5b, Fig. 5 a and Fig. 5 b shows the diaphragm of loudspeaker of two kinds of versions.
As shown in Figure 5 a, this four-layer structure is followed successively by a plastic base sheet material layers 1, glue-line 3, thermoplastic polyester elastomer TPEE material layer 2 and another plastic base sheet material layers 1 to a kind of version wherein from bottom to up.
As shown in Figure 5 b, this four-layer structure is followed successively by thermoplastic polyester elastomer TPEE material layer 2, plastic base sheet material layers 1, glue-line 3 and another plastic base sheet material layers 1 to another kind of version from bottom to up.
When the composite construction in the ring portion of the diaphragm of loudspeaker of the present invention is five-layer structure, this five-layer structure comprises two layers of thermoplastic polyester elastomer TPEE material layer 2, one deck glue-line 3 and two plastic substrates layer 1; Or this five-layer structure comprises one deck thermoplastic polyester elastomer TPEE material layer 2, two-layer glue-line 3 and two plastic substrates layer 1; Or this five-layer structure comprises one deck thermoplastic polyester elastomer TPEE material layer 2, two-layer glue-line 3, one deck plastic base sheet material layers 1 and one deck glue-line substrate layer 4.Wherein, plastic base sheet material layers 1 comprises polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, one or more of polyethylene terephtalate, glue-line 3 is acrylate glue or silica gel, glue-line substrate layer 4 is polyester film material (as polybutylene terephthalate (PBT) PBT), or be polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, one or more of polyethylene terephtalate, certain glue-line substrate layer 4 also can be other suitable materials.
It should be noted that, although the glue-line substrate layer in the present embodiment can select identical material component with plastic base sheet material layers, but owing to adopting different PROCESS FOR TREATMENT at preparation process mesoglea substrate layer and plastic base sheet material layers to material component, make the functional characteristic of glue-line substrate layer and plastic base sheet material layers and incomplete same.Such as, usual glue-line substrate layer and plastic base sheet material layers can adopt different surface treatments, and glue-line substrate layer is applicable to as glue-line provides support power, and plastic base sheet material layers is more applicable to as the composite construction of entirety provides support power.
Preferably, as shown in Fig. 6 a to Fig. 6 d, Fig. 6 a to Fig. 6 d shows the diaphragm of loudspeaker of four kinds of versions.
As shown in Figure 6 a, this five-layer structure is followed successively by plastic base sheet material layers 1, thermoplastic polyester elastomer TPEE material layer 2, glue-line 3, another thermoplastic polyester elastomer TPEE material layer 2 and another plastic base sheet material layers 1 to a kind of version wherein from bottom to up;
As shown in Figure 6 b, this five-layer structure is followed successively by plastic base sheet material layers 1, glue-line 3, thermoplastic polyester elastomer TPEE material layer 2, another glue-line 3 and another plastic base sheet material layers 1 to another kind of version from bottom to up;
As fig. 6 c, this five-layer structure is followed successively by thermoplastic polyester elastomer TPEE material layer 2, plastic base sheet material layers 1, glue-line 3, another plastic base sheet material layers 1 and another thermoplastic polyester elastomer TPEE material layer 2 to another kind of version from bottom to up;
As shown in fig 6d, this five-layer structure is followed successively by thermoplastic polyester elastomer TPEE material layer 2, glue-line 3, glue-line substrate layer 4, another glue-line 3 and plastic base sheet material layers 1 to another version from bottom to up.
When the composite construction in the ring portion of the diaphragm of loudspeaker of the present invention is six Rotating fields, this six Rotating fields comprises one deck thermoplastic polyester elastomer TPEE material layer 2, two-layer glue-line 3, two plastic substrates layer 1 and one deck glue-line substrate layer 4, wherein, plastic base sheet material layers 1 comprises polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, one or more of polyethylene terephtalate, glue-line 3 is acrylate glue or silica gel, glue-line substrate layer 4 is polyester film material, or be polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, one or more of polyethylene terephtalate, certain glue-line substrate layer 4 also can be other suitable materials.
Preferably, as shown in figs. 7 a and 7b, Fig. 7 a and Fig. 7 b shows the diaphragm of loudspeaker of two kinds of versions.
As shown in Figure 7a, this six Rotating fields is followed successively by thermoplastic polyester elastomer TPEE material layer 2, plastic base sheet material layers 1, glue-line 3, glue-line substrate layer 4, another glue-line 3, another plastic base sheet material layers 1 to a kind of version wherein from bottom to up.
As shown in Figure 7b, this six Rotating fields is followed successively by a plastic base sheet material layers 1, thermoplastic polyester elastomer TPEE material layer 2, glue-line 3, glue-line substrate layer 4, another glue-line 3, another plastic base sheet material layers 1 to another kind of version from bottom to up.
In technique scheme, can carry out interlayer compound by prior art means between each adjacent composite bed of composite construction, the present invention does not limit this.
It should be noted that, carrying out interlayer compound tense to the composite construction of the above-mentioned diaphragm of loudspeaker, the present embodiment, for ease of the compound mode of each composite bed is described, defines a kind of reference direction from bottom to up.Therefore, when using the diaphragm of loudspeaker provided by the invention, needing the positive and negative carrying out the diaphragm of loudspeaker to indicate, preventing reversed order in installation process, affect the cohesive force between the diaphragm of loudspeaker and loudspeaker voice coil, and then reduce the acoustical behavior of speaker product.
It should be noted that further, under the prerequisite meeting production requirement, the thickness of the diaphragm of loudspeaker of the single layer structure in the present invention, or each composite bed thickness of the diaphragm of loudspeaker of composite construction can according to the acoustical behavior specific design of product, and each composite bed thickness of the present invention to the diaphragm of loudspeaker does not limit.
In addition, the present invention illustrate only the version of several vibrating diaphragm, while the good performance of quality ensureing speaker product, also can carry out the combination of other modes to thermoplastic polyester elastomer TPEE material layer in composite construction, and select the composite bed of other materials.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. a diaphragm of loudspeaker, comprise the ball top (20) being positioned at center and the ring portion (10) being positioned at marginal position, it is characterized in that, described ring portion (10) is the single layer structure be made up of one deck thermoplastic polyester elastomer TPEE material layer (2); Or described ring portion (10) is the composite construction being at least compounded with one deck thermoplastic polyester elastomer TPEE material layer (2).
2. the diaphragm of loudspeaker according to claim 1, is characterized in that, described ball top (20) is one-body molded with described ring portion (10); Or described ball top (20) and described ring portion (10) adopt unlike material.
3. the diaphragm of loudspeaker according to claim 1, is characterized in that, described composite construction is double-layer structure, and described double-layer structure comprises one deck thermoplastic polyester elastomer TPEE material layer (2) and one deck plastic base sheet material layers (1); Wherein, described plastic base sheet material layers (1) comprises one or more in polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, polyethylene terephtalate.
4. the diaphragm of loudspeaker according to claim 1, it is characterized in that, described composite construction is three-decker, and described three-decker comprises one deck thermoplastic polyester elastomer TPEE material layer (2), one deck glue-line (3) and one deck plastic base sheet material layers (1); Wherein, described plastic base sheet material layers (1) comprise polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, polyethylene terephtalate one or more, described glue-line (3) is acrylate glue or silica gel.
5. the diaphragm of loudspeaker according to claim 4, is characterized in that, described three-decker is followed successively by described thermoplastic polyester elastomer TPEE material layer (2), described glue-line (3) and described plastic base sheet material layers (1).
6. the diaphragm of loudspeaker according to claim 1, it is characterized in that, described composite construction is four-layer structure, and described four-layer structure comprises one deck thermoplastic polyester elastomer TPEE material layer (2), one deck glue-line (3) and two plastic substrates layer (1); Wherein, described plastic base sheet material layers (1) comprise polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, polyethylene terephtalate one or more, described glue-line (3) is acrylate glue or silica gel.
7. the diaphragm of loudspeaker according to claim 6, it is characterized in that, described four-layer structure is followed successively by a plastic base sheet material layers (1), described glue-line (3), described thermoplastic polyester elastomer TPEE material layer (2) and another plastic base sheet material layers (1);
Or described four-layer structure is followed successively by described thermoplastic polyester elastomer TPEE material layer (2), a plastic base sheet material layers (1), described glue-line (3) and another plastic base sheet material layers (1).
8. the diaphragm of loudspeaker according to claim 1, it is characterized in that, described composite construction is five-layer structure, and described five-layer structure comprises two layers of thermoplastic polyester elastomer TPEE material layer (2), one deck glue-line (3) and two plastic substrates layer (1);
Or described five-layer structure comprises one deck thermoplastic polyester elastomer TPEE material layer (2), two-layer glue-line (3) and two plastic substrates layer (1);
Or described five-layer structure comprises one deck thermoplastic polyester elastomer TPEE material layer (2), two-layer glue-line (3), one deck plastic base sheet material layers (1) and one deck glue-line substrate layer (4);
Wherein, described plastic base sheet material layers (1) comprises polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, one or more of polyethylene terephtalate, described glue-line (3) is acrylate glue or silica gel, described glue-line substrate layer (4) is polyester film material, or be polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, one or more of polyethylene terephtalate.
9. the diaphragm of loudspeaker according to claim 8, it is characterized in that, described five-layer structure is followed successively by a plastic base sheet material layers (1), a thermoplastic polyester elastomer TPEE material layer (2), glue-line (3), another thermoplastic polyester elastomer TPEE material layer (2) and another plastic base sheet material layers (1);
Or described five-layer structure is followed successively by a plastic base sheet material layers (1), a glue-line (3), thermoplastic polyester elastomer TPEE material layer (2), another glue-line (3) and another plastic base sheet material layers (1);
Or described five-layer structure is followed successively by a thermoplastic polyester elastomer TPEE material layer (2), a plastic base sheet material layers (1), a glue-line (3), another plastic base sheet material layers (1) and another thermoplastic polyester elastomer TPEE material layer (2);
Or described five-layer structure is followed successively by thermoplastic polyester elastomer TPEE material layer (2), a glue-line (3), glue-line substrate layer (4), another glue-line (3) and plastic base sheet material layers (1).
10. the diaphragm of loudspeaker according to claim 1, it is characterized in that, described composite construction is six Rotating fields, and described six Rotating fields comprise one deck thermoplastic polyester elastomer TPEE material layer (2), two-layer glue-line (3), two plastic substrates layer (1) and one deck glue-line substrate layer (4);
Described six Rotating fields are followed successively by described thermoplastic polyester elastomer TPEE material layer (2), a plastic base sheet material layers (1), a glue-line (3), described glue-line substrate layer (4), another glue-line (3), another plastic base sheet material layers (1);
Or described six Rotating fields are followed successively by a plastic base sheet material layers (1), described thermoplastic polyester elastomer TPEE material layer (2), a glue-line (3), glue-line substrate layer (4), another glue-line (3), another plastic base sheet material layers (1);
Wherein, described plastic base sheet material layers (1) comprises polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, one or more of polyethylene terephtalate, described glue-line (3) is acrylate glue or silica gel, described glue-line substrate layer (4) is polyester film material, or be polyether-ether-ketone PEEK, polyarylate PAR, Polyetherimide PEI, polyimides PI, polyphenylene thioether PPS, PEN PEN, one or more of polyethylene terephtalate.
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| CN105992106A (en) * | 2016-05-05 | 2016-10-05 | 歌尔股份有限公司 | Vibrating diaphragm of sound generating device |
| CN108859296A (en) * | 2018-06-15 | 2018-11-23 | 歌尔股份有限公司 | Structure of composite membrane, vibrating diaphragm and sounding device |
| CN109076289A (en) * | 2016-04-26 | 2018-12-21 | 奥地利依索沃尔塔股份公司 | acoustic membrane |
| CN109068246A (en) * | 2018-08-02 | 2018-12-21 | 瑞声光电科技(常州)有限公司 | Vibrating diaphragm and loudspeaker with the vibrating diaphragm |
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| CN109068246B (en) * | 2018-08-02 | 2021-01-19 | 瑞声光电科技(常州)有限公司 | Vibrating diaphragm and loudspeaker with same |
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