CN207505125U - A kind of composition structure of diaphragm for transducer top dome material - Google Patents
A kind of composition structure of diaphragm for transducer top dome material Download PDFInfo
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- CN207505125U CN207505125U CN201721236896.9U CN201721236896U CN207505125U CN 207505125 U CN207505125 U CN 207505125U CN 201721236896 U CN201721236896 U CN 201721236896U CN 207505125 U CN207505125 U CN 207505125U
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- epoxy resin
- hot melt
- adhesive film
- melt adhesive
- film layer
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- Diaphragms For Electromechanical Transducers (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model provides a kind of composition structure of diaphragm for transducer top dome material, including the aluminum alloy foil layers A for being ranked sequentially and being connected with each other from top to bottom, Epoxy resin hot melt adhesive film layer A, macromolecule PMI expanded material lamellas, Epoxy resin hot melt adhesive film layer B and aluminum alloy foil layers B, the bonding force generated between each layer by heating the Epoxy resin hot melt adhesive film layer A and Epoxy resin hot melt adhesive film layer B respectively forms one, the thickness range of the aluminum alloy foil layers A and the aluminum alloy foil layers B are between 4~25 μm, the thickness range of the Epoxy resin hot melt adhesive film layer A and the Epoxy resin hot melt adhesive film layer B are between 3~20 μm.A kind of composition structure of diaphragm for transducer top dome material described in the utility model, intensity is high, corrosion resistance is strong, is easier to be firmly combined with adhesive material, and intensity is high after integration, elasticity is good so that Microspeaker is not less than the structural member of general aluminium foil in the frequency response of high band.
Description
Technical field
The utility model belongs to the core component field of the acoustical devices such as loud speaker, more particularly, to a kind of diaphragm for transducer
The composition structure of top dome material.
Background technology
Diaphragm for transducer is the core component of the acoustical devices such as loud speaker, and with the development in market, acoustical device is such as：It raises one's voice
The miniaturization of products such as device, receiver, buzzer and performance requirement are continuously improved, high tone quality low distortion etc., to acoustical device core
Center portion part --- the requirement of-diaphragm for transducer is also to be continuously improved.For such situation, the utility model proposes one kind to change
The composition structure of energy device vibrating diaphragm top dome material, intensity is high, corrosion resistance is strong, is easier to be firmly combined with adhesive material, integration
Intensity is high afterwards, and elasticity is good so that Microspeaker is not less than the structural member of general aluminium foil in the frequency response of high band.
Utility model content
In view of this, the utility model is directed to a kind of composition structure of diaphragm for transducer top dome material, and intensity is high, anti-
Corrosivity is strong, is easier to be firmly combined with adhesive material, and intensity is high after integration, and elasticity is good so that Microspeaker is in high frequency
The frequency response of section is not less than the structural member of general aluminium foil.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of composition structure of diaphragm for transducer top dome material, the aluminium including being ranked sequentially and being connected with each other from top to bottom close
Goldleaf layer A, Epoxy resin hot melt adhesive film layer A, macromolecule PMI expanded materials lamella, Epoxy resin hot melt adhesive film layer B and aluminium close
Goldleaf layer B is generated by heating the Epoxy resin hot melt adhesive film layer A and Epoxy resin hot melt adhesive film layer B respectively between each layer
Bonding force form one, the thickness range of the aluminum alloy foil layers A and the aluminum alloy foil layers B are described between 4~25 μm
The thickness range of Epoxy resin hot melt adhesive film layer A and the Epoxy resin hot melt adhesive film layer B are between 3~20 μm.
Further, the aluminum alloy foil layers A and aluminum alloy foil layers B uses aluminium alloy, and its main component packet
Include two kinds of elements of magnesium and silicon.
Further, the macromolecule PMI expanded materials thin slice layer thickness is between 0.08~0.3mm.
Further, the aluminum alloy foil layers A, Epoxy resin hot melt adhesive film layer A, macromolecule PMI expanded materials lamella,
By being heated at high temperature axis and high temperature resistant silica gel axis shape after being bonded between five layers of Epoxy resin hot melt adhesive film layer B and aluminum alloy foil layers B
Into double roller press to form one.
Further, more than five-layer structure is connect when bonding with ultrasonic oscillator.
Relative to the prior art, a kind of composition structure of diaphragm for transducer top dome material described in the utility model have with
Lower advantage：
(1) the composition structure of a kind of diaphragm for transducer top dome material described in the utility model, passes through aluminium alloy and bonding
The mutual cooperation of the better epoxy resin of effect, ensures that whole intensity is high, corrosion resistance is strong, is easier to tie with adhesive material
Conjunction is secured, and intensity is high after integration, and elasticity is good so that Microspeaker is not less than general aluminium foil in the frequency response of high band
Structural member coordinates each layer of respective thickness according to specific circumstances, ensures to improve the using effect of loud speaker to greatest extent.
(2) the aluminum alloy foil layers A described in the utility model and aluminum alloy foil layers B is using aluminium alloy, and it is main
Ingredient includes two kinds of elements of magnesium and silicon.The intensity of the aluminium alloy of this type in itself is higher, corrosion resistance is stronger, mainly contains
The adhesive-layer that magnesium element silicon determines it and can be formed with epoxide resin material is preferably combined, in the same of the integrated effect of increase
When improve whole intensity and elasticity, improve the using effect of loud speaker, it is more firm than the film that traditional structure sheaf is formed
Gu durable, the service life is higher.
(3) macromolecule PMI expanded materials thin slice layer thickness described in the utility model is between 0.08~0.3mm.By this layer
Be limited within certain thickness range, suitable thickness ensure that reduced while it plays respective action in entirety it is whole
The thickness of body, ensures better loud-speaking effect, and frequency response higher is corrosion-resistant.
(4) aluminum alloy foil layers A described in the utility model, Epoxy resin hot melt adhesive film layer A, macromolecule PMI expanded materials
By being heated at high temperature axis and high temperature resistant silicon after being bonded between five layers of lamella, Epoxy resin hot melt adhesive film layer B and aluminum alloy foil layers B
The double roller that glue axis is formed presses to form one.The bonding pressed between each layer by the double roller of such form is more secured, improves
Whole service life, frequency response higher.
(5) Yi Shang five-layer structure described in the utility model is connect when bonding with ultrasonic oscillator.Pass through ultrasonic wave
Between the ultrasonic wave that oscillator transmits respectively enters each layer, the air that is retained between driving away, when preventing from bonding between each layer due to
The presence of air generates bubble, and then influences corresponding, the rate of reducing the number of rejects and seconds of frequency, improves productivity effect.
Description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type do not form the improper restriction to the utility model for explaining the utility model.
In attached drawing：
Fig. 1 is a kind of structural representation of the composition structure of diaphragm for transducer top dome material described in the utility model embodiment
Figure.
Reference sign：
1- aluminum alloy foil layers A；2- Epoxy resin hot melt adhesive film layers A；3- macromolecule PMI expanded material lamellas；4- epoxies
Resin hot melt adhesive film layer B；5- aluminum alloy foil layers B.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the utility model can
To be combined with each other.
In the description of the present invention, it is to be appreciated that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description rather than instruction
Or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the utility model.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can express or implicitly include one or more this feature.It is in the description of the present invention, unless another
It is described, " multiple " are meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of composition structure of diaphragm for transducer top dome material as shown in Figure 1, including being ranked sequentially from top to bottom and mutually
Aluminum alloy foil layers A1, Epoxy resin hot melt adhesive film layer A2, macromolecule PMI expanded materials lamella 3, the epoxy resin hot melt of connection
Adhesive film B4 and aluminum alloy foil layers B5, by heating the Epoxy resin hot melt adhesive film layer A2 and epoxy resin respectively between each layer
The bonding force that hot melt adhesive film layer B4 is generated forms the thickness range of one, the aluminum alloy foil layers A1 and the aluminum alloy foil layers B5
Between 4~25 μm, the thickness range of the Epoxy resin hot melt adhesive film layer A2 and the Epoxy resin hot melt adhesive film layer B4 are 3
Between~20 μm.By the mutual cooperation of aluminium alloy and the better epoxy resin of bond effect, ensure whole intensity height, anti-corruption
Corrosion is strong, is easier to be firmly combined with adhesive material, and intensity is high after integration, and elasticity is good so that Microspeaker is in high band
Frequency response be not less than general aluminium foil structural member, according to specific circumstances coordinate respective thickness each layer, ensure maximum limit
The using effect of the raising loud speaker of degree.
Wherein, the aluminum alloy foil layers A1 and aluminum alloy foil layers B5 is using aluminium alloy, and its main component includes
Two kinds of elements of magnesium and silicon.The intensity of the aluminium alloy of this type in itself is higher, corrosion resistance is stronger, the magnesium element silicon mainly contained
The adhesive-layer that determining it can form with epoxide resin material is preferably combined, and is improved while increase integrated effect
Whole intensity and elasticity improves the using effect of loud speaker, than the film more firm and durable that traditional structure sheaf is formed, longevity
Life is higher.
Wherein, 3 thickness of macromolecule PMI expanded materials lamella is between 0.08~0.3mm.This layer is limited in centainly
Thickness range within, suitable thickness, which ensure that, reduces whole thickness while it plays respective action in entirety,
Ensure better loud-speaking effect, frequency response higher is corrosion-resistant.
Wherein, the aluminum alloy foil layers A1, Epoxy resin hot melt adhesive film layer A2, macromolecule PMI expanded materials lamella 3,
By being heated at high temperature axis and high temperature resistant silica gel axis after being bonded between five layers of Epoxy resin hot melt adhesive film layer B4 and aluminum alloy foil layers B5
The double roller of formation presses to form one.The bonding pressed between each layer by the double roller of such form is more secured, improves whole
Service life, frequency response higher.
Wherein, more than five-layer structure is connect when bonding with ultrasonic oscillator.It is transmitted by ultrasonic oscillator super
Between sound wave respectively enters each layer, the air that is retained between driving away, since the presence of air generates when preventing from bonding between each layer
Bubble, and then corresponding, the rate of reducing the number of rejects and seconds of frequency is influenced, improve productivity effect.
A kind of composition structure of diaphragm for transducer top dome material as shown in Figure 1, aluminum alloy foil layers A1, macromolecule PMI foaming
Pass through the Epoxy resin hot melt adhesive film layer A2 after heating and epoxy resin heat between material sheet layer 3 and aluminum alloy foil layers B5 respectively
Melten gel film layer B4 is bonded, and the double roller then formed by being heated at high temperature axis and high temperature resistant silica gel axis presses upper and lower surfaces, herein
In the process, it being connected by ultrasonic oscillator with high-temperature heating axis, the ultrasonic wave of generation enters each interlayer and drives internal air away,
Each layer is made preferably to bond and forms one, corresponding acoustical device vibration sounding part will be integrally placed at after processing, it can
Rapidly and efficiently the response vibration frequency of high quality, manufactured diaphragm for transducer, exports audio signal can reach 16K or so, high frequency
Part is not less than 85dB.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of composition structure of diaphragm for transducer top dome material, it is characterised in that：Including being ranked sequentially from top to bottom and mutually
Aluminum alloy foil layers A (1), Epoxy resin hot melt adhesive film layer A (2), macromolecule PMI expanded materials lamella (3), the asphalt mixtures modified by epoxy resin of connection
Fat hot melt adhesive film layer B (4) and aluminum alloy foil layers B (5), by heating the Epoxy resin hot melt adhesive film layer A respectively between each layer
(2) and the bonding force of Epoxy resin hot melt adhesive film layer B (4) generations forms one, and the aluminum alloy foil layers A (1) and the aluminium close
The thickness range of goldleaf layer B (5) is between 4~25 μm, the Epoxy resin hot melt adhesive film layer A (2) and epoxy resin heat
The thickness range of melten gel film layer B (4) is between 3~20 μm.
2. a kind of composition structure of diaphragm for transducer top dome material according to claim 1, it is characterised in that：The aluminium closes
Goldleaf layer A (1) and the aluminum alloy foil layers B (5) is using aluminium alloy, and its main component includes two kinds of elements of magnesium and silicon.
3. a kind of composition structure of diaphragm for transducer top dome material according to claim 1, it is characterised in that：The high score
Sub- PMI expanded materials lamella (3) thickness is between 0.08~0.3mm.
4. a kind of composition structure of diaphragm for transducer top dome material according to claim 3, it is characterised in that：The aluminium closes
Goldleaf layer A (1), Epoxy resin hot melt adhesive film layer A (2), macromolecule PMI expanded materials lamella (3), Epoxy resin hot melt adhesive film
The double roller pressure formed after being bonded between (5) five layers of layer B (4) and aluminum alloy foil layers B by being heated at high temperature axis and high temperature resistant silica gel axis
It closes and forms one.
5. a kind of composition structure of diaphragm for transducer top dome material according to claim 4, it is characterised in that：More than five layers
Structure is connect when bonding with ultrasonic oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721236896.9U CN207505125U (en) | 2017-09-26 | 2017-09-26 | A kind of composition structure of diaphragm for transducer top dome material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721236896.9U CN207505125U (en) | 2017-09-26 | 2017-09-26 | A kind of composition structure of diaphragm for transducer top dome material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207505125U true CN207505125U (en) | 2018-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721236896.9U Expired - Fee Related CN207505125U (en) | 2017-09-26 | 2017-09-26 | A kind of composition structure of diaphragm for transducer top dome material |
Country Status (1)
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| CN (1) | CN207505125U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862482A (en) * | 2018-12-29 | 2019-06-07 | 瑞声声学科技(深圳)有限公司 | A kind of top dome material, vibrating diaphragm and loudspeaker |
-
2017
- 2017-09-26 CN CN201721236896.9U patent/CN207505125U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862482A (en) * | 2018-12-29 | 2019-06-07 | 瑞声声学科技(深圳)有限公司 | A kind of top dome material, vibrating diaphragm and loudspeaker |
| CN109862482B (en) * | 2018-12-29 | 2021-10-01 | 瑞声声学科技(深圳)有限公司 | Ball top material, vibrating diaphragm and loudspeaker |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180615 Termination date: 20210926 |